CN109485994A - A kind of antibacterial antimildew polyacrylic and preparation method thereof for outer drum for drum washing machine - Google Patents
A kind of antibacterial antimildew polyacrylic and preparation method thereof for outer drum for drum washing machine Download PDFInfo
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- CN109485994A CN109485994A CN201811088175.7A CN201811088175A CN109485994A CN 109485994 A CN109485994 A CN 109485994A CN 201811088175 A CN201811088175 A CN 201811088175A CN 109485994 A CN109485994 A CN 109485994A
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- 230000000844 anti-bacterial effect Effects 0.000 title claims abstract description 138
- 238000005406 washing Methods 0.000 title claims abstract description 73
- 238000002360 preparation method Methods 0.000 title claims abstract description 19
- -1 polypropylene Polymers 0.000 claims abstract description 115
- 239000004743 Polypropylene Substances 0.000 claims abstract description 112
- 229920001155 polypropylene Polymers 0.000 claims abstract description 105
- 239000000463 material Substances 0.000 claims abstract description 88
- 239000000203 mixture Substances 0.000 claims abstract description 50
- 239000003365 glass fiber Substances 0.000 claims abstract description 39
- 239000000314 lubricant Substances 0.000 claims abstract description 37
- 239000003242 anti bacterial agent Substances 0.000 claims abstract description 36
- 239000004594 Masterbatch (MB) Substances 0.000 claims abstract description 35
- 239000007822 coupling agent Substances 0.000 claims abstract description 33
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 26
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 25
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 claims abstract description 20
- 150000003557 thiazoles Chemical class 0.000 claims abstract description 19
- 229940043810 zinc pyrithione Drugs 0.000 claims abstract description 11
- 239000002994 raw material Substances 0.000 claims abstract description 10
- PICXIOQBANWBIZ-UHFFFAOYSA-N zinc;1-oxidopyridine-2-thione Chemical compound [Zn+2].[O-]N1C=CC=CC1=S.[O-]N1C=CC=CC1=S PICXIOQBANWBIZ-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000002131 composite material Substances 0.000 claims description 47
- 239000003112 inhibitor Substances 0.000 claims description 46
- 230000000845 anti-microbial effect Effects 0.000 claims description 34
- 238000002156 mixing Methods 0.000 claims description 26
- PORQOHRXAJJKGK-UHFFFAOYSA-N 4,5-dichloro-2-n-octyl-3(2H)-isothiazolone Chemical compound CCCCCCCCN1SC(Cl)=C(Cl)C1=O PORQOHRXAJJKGK-UHFFFAOYSA-N 0.000 claims description 23
- 239000000843 powder Substances 0.000 claims description 13
- 239000007800 oxidant agent Substances 0.000 claims description 12
- 230000001590 oxidative effect Effects 0.000 claims description 12
- 229920001296 polysiloxane Polymers 0.000 claims description 11
- 229920001577 copolymer Polymers 0.000 claims description 10
- 229920005629 polypropylene homopolymer Polymers 0.000 claims description 10
- 239000003795 chemical substances by application Substances 0.000 claims description 8
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 claims description 6
- 239000000155 melt Substances 0.000 claims description 6
- 229910000077 silane Inorganic materials 0.000 claims description 6
- 239000004698 Polyethylene Substances 0.000 claims description 5
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical compound [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 claims description 4
- 239000008116 calcium stearate Substances 0.000 claims description 4
- 235000013539 calcium stearate Nutrition 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 4
- 239000000835 fiber Substances 0.000 claims description 4
- 229920000573 polyethylene Polymers 0.000 claims description 4
- 238000007334 copolymerization reaction Methods 0.000 claims 1
- 230000032683 aging Effects 0.000 abstract description 9
- 239000002023 wood Substances 0.000 abstract description 2
- 239000004599 antimicrobial Substances 0.000 abstract 3
- 241000894006 Bacteria Species 0.000 description 26
- 230000000694 effects Effects 0.000 description 23
- 239000013068 control sample Substances 0.000 description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 14
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 12
- 238000002474 experimental method Methods 0.000 description 12
- 229910052725 zinc Inorganic materials 0.000 description 12
- 239000011701 zinc Substances 0.000 description 12
- 238000005452 bending Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 8
- 239000004033 plastic Substances 0.000 description 7
- 229920003023 plastic Polymers 0.000 description 7
- 230000003115 biocidal effect Effects 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 6
- 239000011521 glass Substances 0.000 description 6
- 238000003860 storage Methods 0.000 description 6
- 238000012360 testing method Methods 0.000 description 5
- BGYHLZZASRKEJE-UHFFFAOYSA-N [3-[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxy]-2,2-bis[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxymethyl]propyl] 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)OCC(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 BGYHLZZASRKEJE-UHFFFAOYSA-N 0.000 description 4
- 239000000654 additive Substances 0.000 description 4
- 230000000996 additive effect Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 4
- 238000009395 breeding Methods 0.000 description 4
- 230000001488 breeding effect Effects 0.000 description 4
- 238000013329 compounding Methods 0.000 description 4
- 230000000855 fungicidal effect Effects 0.000 description 4
- 230000036541 health Effects 0.000 description 4
- 230000002401 inhibitory effect Effects 0.000 description 4
- 238000004381 surface treatment Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 230000003247 decreasing effect Effects 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 230000002045 lasting effect Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 3
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 3
- 230000002829 reductive effect Effects 0.000 description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- KAESVJOAVNADME-UHFFFAOYSA-N Pyrrole Chemical compound C=1C=CNC=1 KAESVJOAVNADME-UHFFFAOYSA-N 0.000 description 2
- YTPLMLYBLZKORZ-UHFFFAOYSA-N Thiophene Chemical compound C=1C=CSC=1 YTPLMLYBLZKORZ-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 150000001336 alkenes Chemical class 0.000 description 2
- 230000001580 bacterial effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 125000000524 functional group Chemical group 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 230000003449 preventive effect Effects 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 230000001954 sterilising effect Effects 0.000 description 2
- 238000004659 sterilization and disinfection Methods 0.000 description 2
- 229940123208 Biguanide Drugs 0.000 description 1
- 241000195493 Cryptophyta Species 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- 241000233866 Fungi Species 0.000 description 1
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 1
- 239000006087 Silane Coupling Agent Substances 0.000 description 1
- APQHKWPGGHMYKJ-UHFFFAOYSA-N Tributyltin oxide Chemical compound CCCC[Sn](CCCC)(CCCC)O[Sn](CCCC)(CCCC)CCCC APQHKWPGGHMYKJ-UHFFFAOYSA-N 0.000 description 1
- 150000001335 aliphatic alkanes Chemical class 0.000 description 1
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 description 1
- 229910021502 aluminium hydroxide Inorganic materials 0.000 description 1
- 229920013822 aminosilicone Polymers 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 229940088710 antibiotic agent Drugs 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 244000052616 bacterial pathogen Species 0.000 description 1
- DMSMPAJRVJJAGA-UHFFFAOYSA-N benzo[d]isothiazol-3-one Chemical compound C1=CC=C2C(=O)NSC2=C1 DMSMPAJRVJJAGA-UHFFFAOYSA-N 0.000 description 1
- 150000004283 biguanides Chemical class 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 229910052570 clay Inorganic materials 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 230000005496 eutectics Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 230000001408 fungistatic effect Effects 0.000 description 1
- 238000005469 granulation Methods 0.000 description 1
- 230000003179 granulation Effects 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 150000004678 hydrides Chemical class 0.000 description 1
- 125000004356 hydroxy functional group Chemical group O* 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 231100001231 less toxic Toxicity 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 239000011976 maleic acid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000010445 mica Substances 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 239000002541 mycostatic Substances 0.000 description 1
- 230000001557 mycostatic effect Effects 0.000 description 1
- RKISUIUJZGSLEV-UHFFFAOYSA-N n-[2-(octadecanoylamino)ethyl]octadecanamide Chemical compound CCCCCCCCCCCCCCCCCC(=O)NCCNC(=O)CCCCCCCCCCCCCCCCC RKISUIUJZGSLEV-UHFFFAOYSA-N 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
- 230000035764 nutrition Effects 0.000 description 1
- JPMIIZHYYWMHDT-UHFFFAOYSA-N octhilinone Chemical compound CCCCCCCCN1SC=CC1=O JPMIIZHYYWMHDT-UHFFFAOYSA-N 0.000 description 1
- 229920000620 organic polymer Polymers 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000002530 phenolic antioxidant Substances 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 239000012744 reinforcing agent Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- FZHAPNGMFPVSLP-UHFFFAOYSA-N silanamine Chemical compound [SiH3]N FZHAPNGMFPVSLP-UHFFFAOYSA-N 0.000 description 1
- 150000003384 small molecules Chemical class 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 125000000446 sulfanediyl group Chemical group *S* 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 229930192474 thiophene Natural products 0.000 description 1
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 1
- PIILXFBHQILWPS-UHFFFAOYSA-N tributyltin Chemical compound CCCC[Sn](CCCC)CCCC PIILXFBHQILWPS-UHFFFAOYSA-N 0.000 description 1
- 239000010456 wollastonite Substances 0.000 description 1
- 229910052882 wollastonite Inorganic materials 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/20—Compounding polymers with additives, e.g. colouring
- C08J3/22—Compounding polymers with additives, e.g. colouring using masterbatch techniques
- C08J3/226—Compounding polymers with additives, e.g. colouring using masterbatch techniques using a polymer as a carrier
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/14—Copolymers of propene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/10—Homopolymers or copolymers of propene
- C08J2323/12—Polypropene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/10—Homopolymers or copolymers of propene
- C08J2323/14—Copolymers of propene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2423/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2423/10—Homopolymers or copolymers of propene
- C08J2423/12—Polypropene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
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- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The antibacterial antimildew polyacrylic and preparation method thereof that the invention discloses a kind of for outer drum for drum washing machine.The present invention includes following raw material: 75-80 parts of polypropylene, 2-3 parts of maleic anhydride inoculated polypropylene, 14-20 parts of glass fiber material, 0.5-1 parts of coupling agent, 0.5-1 parts of antioxidant, 0.5-1 parts of lubricant, 2-6 parts of antibacterial and mouldproof master batch；Antibacterial and mouldproof master batch includes following components: 75-85 parts of polypropylene, 15-25 parts of complex antimicrobials, 0.5-0.8 parts of antioxidant, 0.3-0.6 parts of coupling agent, 0.5-1.0 parts of lubricant；The mixture that complex antimicrobials are made of zinc pyrithione and thiazoles antibacterial agent.The present invention adds the antibacterial and mouldproof master batch containing complex antimicrobials in polypropylene, mechanics, the ageing-resistant and antibacterial and mouldproof performance requirement of the external wood material of washing machine is met for outer barrel of washing machine, wash resistant, repeatedly antibacterial and mouldproof performance is basically unchanged after washing.
Description
Technical field
The invention belongs to the technical fields of PP composite material, particularly relate to a kind of for the anti-of outer drum for drum washing machine
Bacterium antimildew polyacrylic and preparation method thereof.
Background technique
Plastic products are ubiquitous in our life, be widely used in life every field, as household electrical appliances, kitchen and bath,
Medical treatment, food etc..But plastic products are easy to be infected with germs, the auxiliary agent especially added in plastic products process is
The source of nutrition of bacteria breed, it is easier to bacterial growth；If uncontrolled, bacterium meeting mass propagation, What is more brings disease
The infection of disease, to bring threat to people's health.The plastic products in many fields have all had fungistatic effect at present, and
It is largely used in people's lives, such as: antibacterial toilet lid, antibacterial fabric, antibacterial water pipe, antibacterial air conditioner filter screen etc..But it is anti-
Bacterium is different from sterilization, and anti-biotic material is that protection materials itself improve the service life not by the erosion damage of bacterium, while not becoming thin
The propagating source of bacterium will not constitute a threat to human health without damaging to environment.
Roller washing machine is indispensable household electrical appliance in family life, while people also proposed more its performance
Harsh requirement is added also to require its relatively sanitary cleaning on the basis of requiring higher revolving speed more strong mechanical performance.Laundry drum
Machine has a large amount of impurity and remains between inner barrel and outer barrel during draining is completed in washing, and these impurity become bacterium
The nutriment of growth.Since interior bucket is usually stainless steel material, and outer barrel is usually polypropylene material, and bacterium is easier outside
Mass propagation on this polypropylene material of bucket.Using the time, the mass propagation of longer bacterium mould later can not only reduce outer barrel
Service life, and these bacteriums can bring secondary pollution, in contamination to clothing, bring very big threat to people's health.
Therefore, modified necessary to outer drum for drum washing machine progress antibacterial and mouldproof, it can not only extend the washing machine service life,
It can also guarantee the health of consumer.Also occur some washing machine drum antibacterial polypropylene composite materials in the prior art,
Such as: Chinese patent CN108003465A discloses a kind of antibacterial modified long glass fiber-reinforced polypropylene composite wood of washing machine drum
Material, this is a kind of PP composite material of high comprehensive performance, can reach each of the roller requirement of high configuration roller washing machine
Item performance indicator；But this PP composite material is using biguanides antibacterial agent or double hydroxy kind antibacterial agents, so that this
The washing fastness of kind PP composite material is poor, and repeatedly after washing, antibacterial effect is decreased obviously, moreover, only assigning
Material anti-microbial property is not able to satisfy the requirement of fungicidal properties, makes this PP composite material can not be in outer drum for drum washing machine
This field is promoted and applied on a large scale.
Summary of the invention
The present invention provides a kind of antibacterial antimildew polyacrylic and preparation method thereof for outer drum for drum washing machine, solves existing
It is imitated with the presence of antibacterial and mouldproof of the PP composite material washing resistance performance difference after multiple washing of washing machine drum in technology
The problem of fruit is decreased obviously.
A kind of antibacterial antimildew polyacrylic for outer drum for drum washing machine of the invention mainly passes through following technical side
What case was realized: the raw material including following parts by weight: 75-80 parts of polypropylene, 2-3 parts of maleic anhydride inoculated polypropylene, glass
14-20 parts of material, 0.5-1 parts of coupling agent, 0.5-1 parts of antioxidant, 0.5-1 parts of lubricant, 2-6 parts of antibacterial and mouldproof master batch；It is described
Antibacterial and mouldproof master batch comprises the following components in parts by weight: 75-85 parts of polypropylene, 15-25 parts of composite antimicrobial mould inhibitor, and antioxidant
0.5-0.8 parts, 0.3-0.6 parts of coupling agent, 0.5-1.0 parts of lubricant；The composite antimicrobial mould inhibitor be by zinc pyrithione with
Thiazoles antibacterial agent is according to the mixture that weight ratio is that 2:1-4:1 is formed.
The present invention adds the antibacterial and mouldproof master batch containing composite antimicrobial mould inhibitor in polypropylene, and composite antimicrobial mould inhibitor is adopted
By organic zinc antibacterial agent --- the mixture that zinc pyrithione is formed with thiazoles antibacterial agent；In composite antimicrobial mould inhibitor
Organic zinc antibacterial agent have both antibacterial and mould proof double effects, and antibacterial effect is better than anti-mold effect, mould proof minimum suppression
Bacteria concentration (MIC) is much larger than the minimum inhibitory concentration (MIC) of antibacterial, after multiple washing loss, the content of organic zinc antibacterial agent
Have partial loss, but it is very low to the minimum inhibitory concentration of bacterium, still have it is enough inhibit bacterial growth at
Point, have excellent antibacterial effect, at this point, anti-mold effect decline insufficient due to pressing down mycostatic amount；And thiazoles antibacterial agent
Similarly there are antibacterial and mould proof double effects, anti-mold effect is more excellent, and mould proof minimum inhibitory concentration (MIC) is very
Low, slow releasing function is very strong, and anti-mold effect is lasting, repeatedly still has good anti-mold effect after washing；Organic zinc antibacterial agent and thiophene
After azole antibacterial agent compounding, the two complements each other, and mutually promotes, and after washing by multiple high temp, still has good anti-
Bacterium anti-mold effect.This antibacterial antimildew polyacrylic by the antibacterial and mouldproof master batch preparation containing composite antimicrobial mould inhibitor is for doing washing
Machine outer barrel can effectively inhibit the growth and breeding of outer barrel surface bacteria and mould, still have after washing for a long time good anti-
Bacterium anti-mold effect；The antibacterial antimildew polyacrylic also has high intensity, high rigidity, excellent in dimensional stability, impact resistance etc. simultaneously
Advantage meets requirement of the roller washing machine to outer barrel polypropylene material mechanical property and ageing-resistant performance.
Embodiment as one preferred, the thiazoles antibacterial mildew inhibitor are any one in DCOIT, OIT, BBIT
Kind is several.Zinc pyrithione is also known as bis- (thio -1- pyridine oxide of 2-) zinc, and abridge ZPT, is a kind of less toxic, efficient, environmental protection
Antibacterial mildew inhibitor, have good inhibiting effect to bacterium and fungi；DCOIT, the Chinese name chloro- 2- n-octyl-of 4,5- bis-
4- isothiazoline -3- ketone, the antibacterial mildew inhibitor of wide spectrum, newest slow release technology provide lasting protection, meet or exceed TBTO
The effect of (tributyl tin compound) is free of heavy metal, can be discharged into environment and penetrates into rapidly in sediment and decomposing will not accumulate
It is tired；OIT, Chinese Kathon, broad-spectrum sterilization, not only mould proof but also anti-algae, not mercurous and lead, green
Environmental protection, solubility is low in water, and efficacy time is long, especially has brilliant control ability to mould；BBIT, Chinese 2- fourth
Base -1,2-benzisothiazolin-3-one is BIT alkyl derivative of new generation, solves that current BIT is existing in use to be asked
Topic, it is for example inefficient, dosage is big, and microbial action ineffective to mould and algae spectrum lacks etc., it has obtained U.S. EPA and has recognized
Card, Environmental Safety.
Embodiment as one preferred, the composite antimicrobial mould inhibitor are by ZPT, DCOIT and OIT according to weight ratio
It is either 3:0.8:0.1-0.2 group according to weight ratio by ZPT, DCOIT and BBIT for the mixture of 3:0.8:0.1-0.2 composition
At mixture either by ZPT, DCOIT, BBIT and OIT according to weight ratio be 3:0.7-0.8:0.1-0.2:0.1-0.2 group
At mixture.ZPT and DCOIT is powder in the present invention, and OIT and BBIT are liquid, and polypropylene is also solids, uses powder
Last mould inhibitor and the compound mode of liquid mildew preventive not only can satisfy compounding antibacterial and mouldproof effect, can also be mould proof in powder
Agent surface coats one layer of liquid mildew preventive, promotes powder mould inhibitor and is sticky on the particle of polypropylene base-material, improves powder
The compatibility of mould inhibitor and polypropylene base-material, makes to be granulated more uniform, and antibacterial and mouldproof effect is more preferable.
Embodiment as one preferred, the glass fiber material are alkali-free long glass fibres, and fibre diameter is 8-10 μm,
The glass fiber material is by silane coupler modified glass fiber material.Glass is the glass of threadiness, its mechanical strength is very
Height, is added in polypropylene and grows along polypropylene internal body, and the direction of growth is consistent with crystalling propylene direction；When external force arrives
It when on polypropylene, can be further distributed on glass fibre, to play resistance external force, improve the work of Mechanical Properties of PP
With；Under normal conditions, this alkali-free long glass fibres needs to carry out the dipping of substantially uniformity in silane coupling agent in advance.
In polypropylene material, the additive amount of antibacterial agent cannot be too high, and the additive amount of antibacterial agent is too high not only to influence material
Cost of manufacture, and the intensity to material, rigidity, dimensional stability and impact resistance also have a very big impact, and make its power
Performance is learned to be remarkably decreased；Meanwhile the additive amount of antibacterial agent cannot be very little, due to the polyacrylic dosage of base-material in polypropylene material
Very big, very little antibacterial agent can not be dispersed well in polypropylene base-material, cannot sufficiently uniformly incorporate polypropylene
In base-material, to influence the antibacterial and mouldproof performance of resulting polypropylene material.
Embodiment as one preferred, the polypropylene are that copolymer polypropylene and homopolypropylene are according to weight ratio
The melt index of the mixture of 1:1-1.5:1 composition, copolymer polypropylene is 0.3-1.5g/10min, and the melting of homopolypropylene refers to
Number is 50-60g/10min.The present invention refers to copolymer polypropylene and high rigidity homopolypropylene compounding, copolymer polypropylene using eutectic
Impact strength with higher, but tensile strength, bending strength and modulus are relatively low, homopolypropylene rigidity with higher,
The intensity and modulus of copolymer polypropylene can be improved well, the performance of two kinds of raw materials mutually cooperates with.
Embodiment as one preferred, the maleic anhydride inoculated polypropylene are that grafting rate is 1-1.6%.Maleic acid
Acid anhydride graft polypropylene main function is the compatibility in order to improve polypropylene base-material and roving glass fiber material, is grafted using maleic anhydride
Polypropylene provides polar group for polypropylene, with the roving glass fiber material of silane coupled modification by together with functional groups,
Improve the compatibility between them.
The shock resistance of polypropylene material is changed with the change of the addition of antibacterial mildew inhibitor, and the present invention is compound anti-
The overall mechanical properties of polypropylene material can be improved in bacterium mould inhibitor, are primarily due to composite antimicrobial mould inhibitor molecule of the invention
Small, the composite antimicrobial mould inhibitor of this small molecule is on the basis of meeting the antibacterial and mouldproof effect of polypropylene material, since it contains
The distinctive functional group having can also improve the compatibility of glass fiber material and polypropylene base-material, be dispersed in glass fiber material preferably
In polypropylene base-material, to have better mechanical property；And small organic molecule composite antimicrobial mould inhibitor can also improve it is poly-
The mobility of propylene material is also beneficial to the dispersibility of polypropylene material, is convenient for its later period processing and fabricating, improves by its gained
The mechanical property and dimensional stability of product (such as outer drum for drum washing machine).
Embodiment as one preferred, the coupling agent are silicone powder, KH-570, KH-550, KH-560, KH792
In any one or a few.KH-550 belongs to amino silane, is mainly used for the surface treatment of inorganic fill, such as calcium carbonate,
It can be used for the surface treatment of glass fibre；KH-560 belongs to epoxy radicals silicone hydride, is mainly used as the surface treatment of reinforcing agent, inorganic fills out
The surface treatment of material, such as talcum powder, clay, quartz, aluminium hydroxide, mica, glass microballoon, wollastonite, white carbon black；KH-570
Belong to methacryloxy functional groups silane, mainly for the treatment of glass, improves the intensity of product；KH792 belongs to amino silicone
Alkane, for being coupled organic polymer and inorganic matter, it is whole for making the two chemical bonding；Silicone powder is polymerize with high molecular weight silicone
Object is main component, can improve the compatibility of nonpolar inorganic mineral and organic interface, while can also play the work of lubrication
With.
Embodiment as one preferred, the lubricant is PETS, EBS, polyethylene wax, any in calcium stearate
It is one or more of.PETS, i.e. stearic acid pentaerythritol ester have as common plastics additive, the mainly effect of lubricant
Good temperature tolerance；EBS, that is, ethylene bis stearamide is a kind of excellent lubricant, can effectively improve product mobility and take off
Mould；PE wax, that is, polyethylene wax is that a kind of excellent plastic lubricating agent and polyacrylic compatibility are fine, internal lubrication effect
By force；Calcium stearate is the lubricant of a variety of plastics, has good lubricating action and demoulding effect.
Embodiment as one preferred, the oxidant is oxidant 1010 and oxidant 168 is according to weight ratio
The mixture of 1:1 composition.Antioxidant 1010 belongs to pentaerythritol ester, a kind of phenolic antioxidant；Irgasfos 168 belongs to phosphorous acid
Ester antioxidant, better antioxidant effect can be obtained by compounding with antioxidant 1010.
A kind of preparation method of antibacterial antimildew polyacrylic for outer drum for drum washing machine of the invention mainly passes through
What following technical scheme was realized: the following steps are included: 1) taking zinc pyrithione and thiazoles antibacterial agent, being according to weight ratio
2:1-4:1 mixing, is made composite antimicrobial mould inhibitor, spare；2) 75-85 parts of polypropylene, 0.5-0.8 parts of antioxidant, coupling agent are taken
0.3-0.6 parts and lubricant 0.5-1.0 parts and resulting composite antimicrobial mould inhibitor 15-25 parts of step 1), antibacterial is made in mixing
Mould proof master batch, it is spare；3) 75-80 part of polypropylene, 2-3 parts of maleic anhydride inoculated polypropylene and 0.5-1 parts of coupling agent are separately taken, it is mixed
It closes, antioxidant 0.5-1 parts and lubricant 0.5-1 parts and 2-6 parts of step 2) resulting antibacterial and mouldproof master batch is added, mixing is equal
It is even, obtain mixture；4) the resulting mixture of step 3) is added to double screw extruder, and adds roving glass fiber material at side feed material
14-20 parts of material squeezes out, and the engine speed of extruder is 310-340r/min, and main feeding revolving speed is 12-15r/min, and side feed material turns
Speed is 2-4r/min, and ten area's temperature are respectively as follows: 170-180 DEG C of an area, two 180-185 DEG C of areas, three 190-200 DEG C of areas, 4th area
200-205 DEG C, five 200-210 DEG C of areas, six 205-210 DEG C of areas, seven 210-220 DEG C of areas, eight 210-220 DEG C of areas, nine area 210-220
DEG C, ten 215-220 DEG C of areas, head temperature is 215-220 DEG C, it is cooling, it is granulated, obtains antibacterial antimildew polyacrylic.
In the preparation method of antibacterial antimildew polyacrylic of the present invention, composite antimicrobial mould inhibitor is first prepared, then prepare antibacterial and mouldproof
Master batch, finally, adding antioxidant, lubricant in the mixture of polypropylene, maleic anhydride inoculated polypropylene and coupling agent and resisting
The mould proof master batch of bacterium, and roving glass fiber material is added from natural exhaust outlet, that is, side feed material, by melting co-extrusion, cooling and granulation, obtain
To antibacterial antimildew polyacrylic；Preparation method of the invention is simple, does not have special requirement to equipment, easy to control, at low cost, produces
Industryization is easy, and by controlling material order of addition, so that each raw material is sufficiently mixed melting, is uniformly mixed, avoids high temperature to raw material
The influence of performance, the effect of each raw material have obtained maximum performance, substantially increase the mechanical property of antibacterial antimildew polyacrylic
Energy and ageing-resistant performance, meet requirement of the roller washing machine to outer barrel polypropylene material, meanwhile, have and efficiently resists with lasting
Bacterium anti-mold effect after washing by multiple high temp, still has good antibacterial and mouldproof, effectively inhibits outer barrel surface bacteria
With the growth and breeding of mould, secondary pollution is avoided.
Compared with prior art, the beneficial effects of the present invention are: the present invention added in polypropylene it is anti-containing composite antibacterial
Mould dose of antibacterial and mouldproof master batch, composite antimicrobial mould inhibitor is using by organic zinc antibacterial agent --- zinc pyrithione and thiazoles
The mixture of antibacterial agent composition；It is first prepared into polypropylene, antioxidant, coupling agent and lubricant by composite antimicrobial mould inhibitor multiple
Antibacterial and mouldproof master batch is closed, is then added in polypropylene and maleic anhydride inoculated polypropylene, and in glass fiber material, coupling agent, antioxygen
Under the booster action of agent and lubricant, so that each raw material is complemented each other, mutually promote, resulting antibacterial antimildew polyacrylic is for doing washing
Machine outer barrel can effectively inhibit the growth and breeding of outer barrel surface bacteria and mould, still have after washing for a long time good anti-
Bacterium anti-mold effect；The antibacterial antimildew polyacrylic also has high intensity, high rigidity, excellent in dimensional stability, impact resistance etc. simultaneously
Advantage meets requirement of the roller washing machine to outer barrel polypropylene material mechanical property and ageing-resistant performance.Preparation side of the invention
Method is simple, does not have special requirement to equipment, easy to control, at low cost, and industrialization is easy.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with specific embodiments of the present invention, is shown
So, described embodiment is only a part of the embodiments of the present invention, instead of all the embodiments.Based in the present invention
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the scope of protection of the invention.
A kind of antibacterial antimildew polyacrylic for outer drum for drum washing machine of the invention, the raw material including following parts by weight:
75-80 parts of polypropylene, 2-3 parts of maleic anhydride inoculated polypropylene, 14-20 parts of glass fiber material, 0.5-1 parts of coupling agent, antioxidant
0.5-1 parts, 0.5-1 parts of lubricant, 2-6 parts of antibacterial and mouldproof master batch；The antibacterial and mouldproof master batch comprises the following components in parts by weight:
75-85 parts of polypropylene, 15-25 parts of composite antimicrobial mould inhibitor, 0.5-0.8 parts of antioxidant, 0.3-0.6 parts of polysiloxane coupling agent,
0.5-1.0 parts of lubricant；It according to weight ratio is 2 that the composite antimicrobial mould inhibitor, which is by zinc pyrithione and thiazoles antibacterial agent:
The mixture of 1-4:1 composition.
Preferably, the thiazoles antibacterial mildew inhibitor is any one or a few in DCOIT, OIT, BBIT.
Further, the composite antimicrobial mould inhibitor be by ZPT, DCOIT and OIT according to weight ratio be 3:0.8:0.1-
The mixture of 0.2 composition either by ZPT, DCOIT and BBIT according to weight ratio be the mixture that forms of 3:0.8:0.1-0.2 or
The mixture that person is made of ZPT, DCOIT, BBIT and OIT according to weight ratio for 3:0.7-0.8:0.1-0.2:0.1-0.2.
Specifically, the glass fiber material be alkali-free long glass fibres, fibre diameter be 8-10 μm, the glass fiber material be through
Cross silane coupler modified glass fiber material.
It is highly preferred that it is 1:1-1.5:1 composition that the polypropylene, which is copolymer polypropylene and homopolypropylene according to weight ratio,
Mixture, the melt index of copolymer polypropylene is 0.3-1.5g/10min, and the melt index of homopolypropylene is 50-60g/
10min。
Further, it is 1-1.6% that the maleic anhydride inoculated polypropylene, which is grafting rate,.
More specifically, the coupling agent be silicone powder, in KH-570, KH-550, KH-560, KH792 any one or
It is several.
Again less preferably, the lubricant be PETS, EBS, polyethylene wax, any one or a few in calcium stearate.
Still further, the oxidant is oxidant 1010 and oxidant 168 according to the mixing that weight ratio is that 1:1 is formed
Object.
A kind of preparation method of antibacterial antimildew polyacrylic for outer drum for drum washing machine of the invention, including following step
It is rapid:
1) zinc pyrithione and thiazoles antibacterial agent are taken, is 2:1-4:1 mixing according to weight ratio, it is mould proof that composite antibacterial is made
Agent, it is spare；
2) take 0.5-1.0 parts of 75-85 parts of polypropylene, 0.5-0.8 parts of antioxidant, 0.3-0.6 parts of coupling agent and lubricant with
And resulting composite antimicrobial mould inhibitor 15-25 parts of step 1), antibacterial and mouldproof master batch is made in mixing, spare；
3) 75-80 part of polypropylene, 2-3 part of maleic anhydride inoculated polypropylene and 0.5-1 parts of coupling agent, mixing, addition are separately taken
0.5-1 parts of antioxidant and lubricant 0.5-1 parts and 2-6 parts of step 2) resulting antibacterial and mouldproof master batch are uniformly mixed, must mix
Material；
4) the resulting mixture of step 3) is added to double screw extruder, and adds roving glass fiber material at side feed material
It 14-20 parts, squeezes out, the engine speed of extruder is 310-340r/min, and main feeding revolving speed is 12-15r/min, side feed material revolving speed
For 2-4r/min, ten area's temperature are respectively as follows: 170-180 DEG C of an area, two 180-185 DEG C of areas, three 190-200 DEG C of areas, four area 200-
205 DEG C, five 200-210 DEG C of areas, six 205-210 DEG C of areas, seven 210-220 DEG C of areas, eight 210-220 DEG C of areas, nine 210-220 DEG C of areas,
Ten 215-220 DEG C of areas, head temperature is 215-220 DEG C, cooling, is granulated, obtains antibacterial antimildew polyacrylic.
Embodiment one
A kind of preparation method of antibacterial antimildew polyacrylic for outer drum for drum washing machine of the invention, including following step
It is rapid:
1) organic zinc antibacterial agent ZPT, thiazoles antibacterial agent DCOIT and BBIT are taken, according to the weight of ZPT:DCOIT:BBIT
Than for 4:0.8:0.2 mixing, composite antimicrobial mould inhibitor is made, it is spare；
2) copolymer polypropylene and homopolypropylene are taken, is 1:1 composition mixture according to weight ratio, obtains composite polypropylene,
In, the melt index of copolymer polypropylene is 0.3g/10min, and the melt index of homopolypropylene is 54g/10min；
Oxidant 1010 and oxidant 168 are taken, is 1:1 composition mixture according to weight ratio, obtains composite oxidant；
3) take 0.5 part of 80 parts of the resulting composite polypropylene of step 2), 0.5 part of composite antioxidant and coupling agent silicone powder and
20 parts of 0.5 part of lubricant PETS and the resulting composite antimicrobial mould inhibitor of step 1), mixing, are made antibacterial and mouldproof master batch, standby
With；
4) 78 parts of the resulting polypropylene of step 2), 3 parts of the maleic anhydride inoculated polypropylene that grafting rate is 1.4% and idol are separately taken
0.5 part of agent silicone powder of connection, the interior progress of addition high-speed mixer is just mixed, mixes, resulting 0.6 part of composite antioxidant of step 2) of addition
It is blended with 4 parts of 0.5 part of lubricant PETS and the resulting antibacterial and mouldproof master batch of step 3), is uniformly mixed, obtains mixture；
5) the resulting mixture of step 4) is added to the storage hopper of double screw extruder, and adds and grows from natural exhaust outlet
It 15 parts of glass fiber material, squeezes out, the engine speed of extruder is 320r/min, and main feeding revolving speed is 14r/min, and side rate of feeding is
4r/min, ten area's temperature are respectively as follows: 175 DEG C of an area, two 180 DEG C of areas, three 190 DEG C of areas, four 205 DEG C of areas, five 210 DEG C of areas, 6th area
210 DEG C, seven 220 DEG C of areas, eight 215 DEG C of areas, nine 215 DEG C of areas, ten 215 DEG C of areas, head temperature is 220 DEG C, squeezes out material strip and passes through water
Slot is cooled to room temperature, is granulated by pelleter, obtains antibacterial antimildew polyacrylic；
Wherein, the glass fiber material of the present embodiment be alkali-free long glass fibres, fibre diameter be 9 μm, the glass fiber material be through
Cross silane coupler modified glass fiber material.
Embodiment two
A kind of preparation method of antibacterial antimildew polyacrylic for outer drum for drum washing machine of the invention, including following step
It is rapid:
1) organic zinc antibacterial agent ZPT and thiazoles antibacterial agent DCOIT are taken, is 3:1 mixing according to weight ratio, is made compound anti-
Bacterium mould inhibitor, it is spare；
2) take 0.5 part of 80 parts of polypropylene, 0.5 part of antioxidant, 0.5 part of coupling agent and lubricant and step 1) resulting multiple
20 parts of antibacterial mildew inhibitor are closed, antibacterial and mouldproof master batch is made in mixing, spare；
3) 78 parts of polypropylene, 2 parts of maleic anhydride inoculated polypropylene and 0.5 part of coupling agent are separately taken, is added in high-speed mixer
Carry out just mixed, mixing, 0.5 part of 0.3 part of antioxidant 1010 of addition, 0.3 part of irgasfos 168 and lubricant PETS and step
2) 3 parts of resulting antibacterial and mouldproof master batch is blended, and is uniformly mixed, is obtained mixture；
4) the resulting mixture of step 3) is added to the storage hopper of double screw extruder, and adds and grows from natural exhaust outlet
It 17 parts of glass fiber material, squeezes out, the engine speed of extruder is 320r/min, and main feeding revolving speed is 14r/min, and side rate of feeding is
Ten area's temperature of 4r/min is respectively as follows: 175 DEG C of an area, two 180 DEG C of areas, three 190 DEG C of areas, four 205 DEG C of areas, five 210 DEG C of areas, 6th area
210 DEG C, seven 220 DEG C of areas, eight 215 DEG C of areas, nine 215 DEG C of areas, ten 215 DEG C of areas, head temperature is 220 DEG C, squeezes out material strip and passes through water
Slot is cooled to room temperature, is granulated by pelleter, obtains antibacterial antimildew polyacrylic.
Embodiment three
A kind of preparation method of antibacterial antimildew polyacrylic for outer drum for drum washing machine of the invention, including following step
It is rapid:
1) organic zinc antibacterial agent ZPT, thiazoles antibacterial agent DCOIT and OIT are taken, according to the weight ratio of ZPT:DCOIT:OIT
For 2:0.8:0.2 mixing, composite antimicrobial mould inhibitor is made, it is spare；
2) take 0.5 part of 75 parts of polypropylene, 0.5 part of antioxidant, 0.3 part of coupling agent and lubricant and step 1) resulting multiple
25 parts of antibacterial mildew inhibitor are closed, antibacterial and mouldproof master batch is made in mixing, spare；
3) 75 parts of polypropylene, 3 parts of maleic anhydride inoculated polypropylene and 0.5 part of coupling agent kh-570 are separately taken, it is mixed that high speed is added
Just mixed, mixing is carried out in conjunction machine, and 0.5 part of 0.5 part of antioxidant 1010 and lubricant PETS is added and step 2) is resulting anti-
2 parts of the mould proof master batch of bacterium is blended, and is uniformly mixed, is obtained mixture；
4) the resulting mixture of step 3) is added to the storage hopper of double screw extruder, and adds and grows from natural exhaust outlet
It 20 parts of glass fiber material, squeezes out, the engine speed of extruder is 320r/min, and main feeding revolving speed is 14r/min, and side rate of feeding is
4r/min, ten area's temperature are respectively as follows: 175 DEG C of an area, two 180 DEG C of areas, three 190 DEG C of areas, four 205 DEG C of areas, five 210 DEG C of areas, 6th area
210 DEG C, seven 220 DEG C of areas, eight 215 DEG C of areas, nine 215 DEG C of areas, ten 215 DEG C of areas, head temperature is 220 DEG C, squeezes out material strip and passes through water
Slot is cooled to room temperature, is granulated by pelleter, obtains antibacterial antimildew polyacrylic.
Example IV
A kind of preparation method of antibacterial antimildew polyacrylic for outer drum for drum washing machine of the invention, including following step
It is rapid:
1) organic zinc antibacterial agent ZPT, thiazoles antibacterial agent DCOIT, OIT and BBIT are taken, according to ZPT:DCOIT:OIT:
The weight ratio of BBIT is 2:0.8:0.1:01 mixing, and composite antimicrobial mould inhibitor is made, spare；
2) take 1.0 parts of 85 parts of polypropylene, 0.8 part of antioxidant, 0.6 part of coupling agent and lubricant and step 1) resulting multiple
15 parts of antibacterial mildew inhibitor are closed, antibacterial and mouldproof master batch is made in mixing, spare；
3) 77 parts of polypropylene, 3 parts of maleic anhydride inoculated polypropylene and 1.0 parts of coupling agent silicone powder are separately taken, it is mixed that high speed is added
Just mixed, mixing is carried out in conjunction machine, be added 1.0 parts of 0.5 part of antioxidant 1010,0.5 part of irgasfos 168 and lubricant PETS with
And 6 parts of the resulting antibacterial and mouldproof master batch of step 2) is blended, and is uniformly mixed, is obtained mixture；
4) the resulting mixture of step 3) is added to the storage hopper of double screw extruder, and adds and grows from natural exhaust outlet
It 14 parts of glass fiber material, squeezes out, the engine speed of extruder is 320r/min, and main feeding revolving speed is 14r/min, and side rate of feeding is
4r/min, ten area's temperature are respectively as follows: 175 DEG C of an area, two 180 DEG C of areas, three 190 DEG C of areas, four 205 DEG C of areas, five 210 DEG C of areas, 6th area
210 DEG C, seven 220 DEG C of areas, eight 215 DEG C of areas, nine 215 DEG C of areas, ten 215 DEG C of areas, head temperature is 220 DEG C, squeezes out material strip and passes through water
Slot is cooled to room temperature, is granulated by pelleter, obtains antibacterial antimildew polyacrylic.
Embodiment five
A kind of preparation method of antibacterial antimildew polyacrylic for outer drum for drum washing machine of the invention, including following step
It is rapid:
1) organic zinc antibacterial agent ZPT, thiazoles antibacterial agent DCOIT and BBIT are taken, according to the weight of ZPT:DCOIT:BBIT
Than for 3:0.8:0.2 mixing, composite antimicrobial mould inhibitor is made, it is spare；
2) take 0.5 part of 85 parts of polypropylene, 0.5 part of antioxidant, 0.5 part of coupling agent and lubricant and step 1) resulting multiple
25 parts of antibacterial mildew inhibitor are closed, antibacterial and mouldproof master batch is made in mixing, spare；
3) 79 parts of polypropylene, 3 parts of maleic anhydride inoculated polypropylene and 0.5 part of coupling agent silicone powder are separately taken, it is mixed that high speed is added
Just mixed, mixing is carried out in conjunction machine, be added 0.5 part of 0.3 part of antioxidant 1010,0.3 part of irgasfos 168 and lubricant PETS with
And 3 parts of the resulting antibacterial and mouldproof master batch of step 2) is blended, and is uniformly mixed, is obtained mixture；
4) the resulting mixture of step 3) is added to the storage hopper of double screw extruder, and adds and grows from natural exhaust outlet
It 15 parts of glass fiber material, squeezes out, the engine speed of extruder is 320r/min, and main feeding revolving speed is 14r/min, and side rate of feeding is
4r/min, ten area's temperature are respectively as follows: 175 DEG C of an area, two 180 DEG C of areas, three 190 DEG C of areas, four 205 DEG C of areas, five 210 DEG C of areas, 6th area
210 DEG C, seven 220 DEG C of areas, eight 215 DEG C of areas, nine 215 DEG C of areas, ten 215 DEG C of areas, head temperature is 220 DEG C, squeezes out material strip and passes through water
Slot is cooled to room temperature, is granulated by pelleter, obtains antibacterial antimildew polyacrylic.
Comparative experiments one
A kind of preparation method of antibacterial antimildew polyacrylic, comprising the following steps:
1) 0.5 part of 80 parts of polypropylene, 0.5 part of antioxidant, 0.5 part of coupling agent and lubricant and antibacterial mildew inhibitor ZPT are taken
20 parts, antibacterial and mouldproof master batch is made in mixing, spare；
2) 83 parts of polypropylene, 3 parts of maleic anhydride inoculated polypropylene and 0.5 part of coupling agent kh-570 are separately taken, it is mixed that high speed is added
It carries out just mixing in conjunction machine, mixing, resulting 2 parts of antibacterial and mouldproof master batch of step 1) of addition is blended, and is uniformly mixed, must be mixed
Material；
3) the resulting mixture of step 2) is added to the storage hopper of double screw extruder, and adds and grows from natural exhaust outlet
It 12 parts of glass fiber material, squeezes out, the engine speed of extruder is 320r/min, and main feeding revolving speed is 14r/min, and side rate of feeding is
4r/min, ten area's temperature are respectively as follows: 175 DEG C of an area, two 180 DEG C of areas, three 190 DEG C of areas, four 205 DEG C of areas, five 210 DEG C of areas, 6th area
210 DEG C, seven 220 DEG C of areas, eight 215 DEG C of areas, nine 215 DEG C of areas, ten 215 DEG C of areas, head temperature is 220 DEG C, squeezes out material strip and passes through water
Slot is cooled to room temperature, is granulated by pelleter, obtains antibacterial antimildew polyacrylic.
Comparative experiments two
A kind of commercially fiberglass reinforced antibacterial antimildew polyacrylic material, by ash analysis, glass fiber content is
15.2%.
The embodiment of the present invention one is used for the antibacterial and mouldproof poly- third of outer drum for drum washing machine to five resulting five parts of embodiment
The existing antibacterial that antibacterial antimildew polyacrylic material (i.e. control sample one) and comparative experiments two prepared by alkene, comparative experiments one is bought
Polypropylene material (i.e. control sample two) is tested for the property experiment respectively, including tensile strength, bending strength, bending modulus, outstanding
Arm beam notch impact strength, antibiotic property and mildew resistance, wherein tensile strength method referring to as defined in GB/T1040 carries out, bending
Intensity and bending modulus are all made of the progress of method as defined in GB/T9341, and Izod notched impact strength is provided referring to GB/T1843
Method carry out, antibiotic property and mildew resistance be all made of method as defined in GB/T21551.2, and experimental result is as shown in table 1.
The different Properties of Polypropylene test results of table 1
As can be seen from Table 1, the tensile strength of the antibacterial antimildew polyacrylic for outer drum for drum washing machine of the invention exists
Between 75-90MPa, bending strength is between 100-112MPa, and bending modulus is between 3400-4000MPa, the punching of cantilever beam notch
Hit intensity is 14-16KJ/m2, therefore, the antibacterial antimildew polyacrylic for outer drum for drum washing machine of the invention has good
Mechanical property；The antibiotic property of antibacterial antimildew polyacrylic for outer drum for drum washing machine of the invention is all larger than 99%, mildew resistance
It is 0 grade, the antibacterial antimildew polyacrylic for outer drum for drum washing machine of the invention has good antibacterial and mouldproof performance, this
The antibacterial antimildew polyacrylic for outer drum for drum washing machine of invention meets outer drum for drum washing machine making under normal temperature conditions
With requiring.The mechanical property and antibacterial and mouldproof performance of control sample one and the antibacterial and mouldproof for outer drum for drum washing machine of the invention
Polyacrylic mechanical property and antibacterial and mouldproof performance are relatively；Although the anti-microbial property of control sample two also with it is of the invention
The anti-microbial property of antibacterial antimildew polyacrylic for outer drum for drum washing machine relatively, still, the fungicidal properties of control sample two
Well below the fungicidal properties of the antibacterial antimildew polyacrylic for outer drum for drum washing machine of the invention, moreover, control sample two
Mechanical property is also well below the mechanical property of the antibacterial antimildew polyacrylic for outer drum for drum washing machine of the invention, control sample
Two mechanical property, antibacterial and fungicidal properties cannot be taken into account.
The embodiment of the present invention one is used for the antibacterial and mouldproof poly- third of outer drum for drum washing machine to five resulting five parts of embodiment
The existing antibacterial that antibacterial antimildew polyacrylic material (i.e. control sample one) and comparative experiments two prepared by alkene, comparative experiments one is bought
Polypropylene material (i.e. control sample two) carries out water boiling resistance performance test experiment, experimental method are as follows: gather above-mentioned antibacterial and mouldproof respectively
The plastic sheet of 5cm × 5cm size is respectively prepared in propylene material, in warm water at a temperature of 90 °C, impregnates the different time respectively,
That is first stage 800h, second stage 1600h, phase III 2400h, fourth stage 3200h, after immersion terminates, room temperature is dry
It is dry, surface wipes are not carried out, it is strong then to carry out above-mentioned tensile strength, bending strength, bending modulus, Izod notched impact
Degree, antibiotic property and mildew resistance performance test experiment, experimental result is as shown in table 2- table 5.
The antibacterial antimildew polyacrylic for outer drum for drum washing machine of the invention is old by water it can be seen from table 2- table 5
After change, mechanical property is declined, but the time continues to extend, mechanical property variation less, mechanical property at this time
Roller washing machine still be can satisfy to the mechanical property requirements of outer barrel, this illustrates it with preferable mechanical stability.This hair
The antibacterial and mouldproof performance of the bright antibacterial antimildew polyacrylic for outer drum for drum washing machine, with the extension of dampening ageing time, one
Directly maintain good antibacterial and mouldproof effect.Therefore, the antibacterial antimildew polyacrylic for outer drum for drum washing machine of the invention is rolling
Good antibacterial and mouldproof effect can be kept in the entire service life phase of cylinder washing machine.However, control sample two is in water aging
After 800h, substantially just without anti-mold effect, so, do not carry out subsequent senile experiment；The polypropylene material of control sample one
Material, after water aging, antibacterial and mouldproof performance is gradually reduced, and in water aging 800h, mildew resistance is reduced to 1 grade, then,
The antibiotic property of control sample is also begun to decline, and is finally reduced to greater than 90%.Therefore, of the invention for outer drum for drum washing machine
Antibacterial antimildew polyacrylic all has apparent advantage compared with control sample one and control sample two during water-fast senile experiment.
The different Properties of Polypropylene test results (800h) of table 2
The different Properties of Polypropylene test results (1600h) of table 3
The different Properties of Polypropylene test results (2400h) of table 4
The different Properties of Polypropylene test results (3200h) of table 5
Compared with prior art, the beneficial effects of the present invention are: the present invention added in polypropylene it is anti-containing composite antibacterial
Mould dose of antibacterial and mouldproof master batch, composite antimicrobial mould inhibitor is using by organic zinc antibacterial agent --- zinc pyrithione and thiazoles
The mixture of antibacterial agent composition；It is first prepared into polypropylene, antioxidant, coupling agent and lubricant by composite antimicrobial mould inhibitor multiple
Antibacterial and mouldproof master batch is closed, is then added in polypropylene and maleic anhydride inoculated polypropylene, and in glass fiber material, coupling agent, antioxygen
Under the booster action of agent and lubricant, so that each raw material is complemented each other, mutually promote, resulting antibacterial antimildew polyacrylic is for doing washing
Machine outer barrel can effectively inhibit the growth and breeding of outer barrel surface bacteria and mould, still have after washing for a long time good anti-
Bacterium anti-mold effect；The antibacterial antimildew polyacrylic also has high intensity, high rigidity, excellent in dimensional stability, impact resistance etc. simultaneously
Advantage meets requirement of the roller washing machine to outer barrel polypropylene material mechanical property and ageing-resistant performance.Preparation side of the invention
Method is simple, does not have special requirement to equipment, easy to control, at low cost, and industrialization is easy.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of antibacterial antimildew polyacrylic for outer drum for drum washing machine, it is characterised in that: the raw material including following parts by weight:
75-80 parts of polypropylene, 2-3 parts of maleic anhydride inoculated polypropylene, 14-20 parts of glass fiber material, 0.5-1 parts of coupling agent, antioxygen
0.5-1 parts of agent, 0.5-1 parts of lubricant, 2-6 parts of antibacterial and mouldproof master batch；
The antibacterial and mouldproof master batch comprises the following components in parts by weight: 75-85 parts of polypropylene, 15-25 parts of composite antimicrobial mould inhibitor,
0.5-0.8 parts of antioxidant, 0.3-0.6 parts of coupling agent, 0.5-1.0 parts of lubricant；
The composite antimicrobial mould inhibitor is made of zinc pyrithione and thiazoles antibacterial agent according to weight ratio for 2:1-4:1 mixed
Close object.
2. the antibacterial antimildew polyacrylic according to claim 1 for outer drum for drum washing machine, it is characterised in that:
The thiazoles antibacterial agent is any one or a few in DCOIT, OIT, BBIT.
3. the antibacterial antimildew polyacrylic according to claim 2 for outer drum for drum washing machine, it is characterised in that:
The mixture that the composite antimicrobial mould inhibitor is made of ZPT, DCOIT and OIT according to weight ratio for 3:0.8:0.1-0.2
By ZPT, DCOIT and BBIT according to weight ratio be the mixture that forms of 3:0.8:0.1-0.2 either by ZPT,
DCOIT, BBIT and OIT are according to the mixture that weight ratio is that 3:0.7-0.8:0.1-0.2:0.1-0.2 is formed.
4. the antibacterial antimildew polyacrylic according to claim 1 for outer drum for drum washing machine, it is characterised in that:
The glass fiber material is alkali-free long glass fibres, and fibre diameter is 8-10 μm, and the glass fiber material is by silane coupled
The modified glass fiber material of agent.
5. the antibacterial antimildew polyacrylic according to claim 1 for outer drum for drum washing machine, it is characterised in that:
The polypropylene is copolymer polypropylene and homopolypropylene according to the mixture that weight ratio is that 1:1-1.5:1 is formed, copolymerization
Polyacrylic melt index is 0.3-1.5g/10min, and the melt index of homopolypropylene is 50-60g/10min.
6. the antibacterial antimildew polyacrylic according to claim 1 for outer drum for drum washing machine, it is characterised in that:
The maleic anhydride inoculated polypropylene is that grafting rate is 1-1.6%.
7. the antibacterial antimildew polyacrylic according to claim 1 for outer drum for drum washing machine, it is characterised in that:
The coupling agent is silicone powder, any one or a few in KH-570, KH-550, KH-560, KH792.
8. the antibacterial antimildew polyacrylic according to claim 1 for outer drum for drum washing machine, it is characterised in that:
The lubricant is PETS, EBS, polyethylene wax, any one or a few in calcium stearate.
9. the antibacterial antimildew polyacrylic according to claim 1 for outer drum for drum washing machine, it is characterised in that:
The oxidant is oxidant 1010 and oxidant 168 according to the mixture that weight ratio is that 1:1 is formed.
10. a kind of antibacterial antimildew polyacrylic for being used for outer drum for drum washing machine described in any one of -9 according to claim 1
Preparation method, it is characterised in that: the following steps are included:
1) zinc pyrithione and thiazoles antibacterial agent are taken, is 2:1-4:1 mixing according to weight ratio, composite antimicrobial mould inhibitor is made,
It is spare；
2) 0.5-1.0 parts of 75-85 parts of polypropylene, 0.5-0.8 parts of antioxidant, 0.3-0.6 parts of coupling agent and lubricant and step are taken
Rapid composite antimicrobial mould inhibitor 15-25 parts 1) resulting, antibacterial and mouldproof master batch is made in mixing, spare；
3) 75-80 part of polypropylene, 2-3 part of maleic anhydride inoculated polypropylene and 0.5-1 parts of coupling agent are separately taken, is mixed, addition antioxygen
0.5-1 parts of agent and lubricant 0.5-1 parts and 2-6 parts of step 2) resulting antibacterial and mouldproof master batch are uniformly mixed, obtain mixture；
4) the resulting mixture of step 3) is added to double screw extruder, and adds roving glass fiber material 14-20 at side feed material
Part, it squeezes out, the engine speed of extruder is 310-340r/min, and main feeding revolving speed is 12-15r/min, and side feed material revolving speed is 2-
4r/min, ten area's temperature are respectively as follows: 170-180 DEG C of an area, two 180-185 DEG C of areas, three 190-200 DEG C of areas, four area 200-205
DEG C, five 200-210 DEG C of areas, six 205-210 DEG C of areas, seven 210-220 DEG C of areas, eight 210-220 DEG C of areas, nine 210-220 DEG C of areas, tenth area
215-220 DEG C, head temperature is 215-220 DEG C, cooling, is granulated, obtains antibacterial antimildew polyacrylic.
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Effective date of registration: 20231009 Address after: No. 18 Yougang Road, Chemical Industry Park, Yangzhou City, Jiangsu Province, 225000 Patentee after: Jiangsu Guoheng New Material Technology Co.,Ltd. Address before: 266111 No.2 Road, Qingda Industrial Park, Jihongtan street, Chengyang District, Qingdao City, Shandong Province Patentee before: QINGDAO GUOEN SCIENCE & TECHNOLOGY Co.,Ltd. |