CN106147206B - A kind of yellowing-resistant antibacterial mobile phone shell sheath and preparation method thereof - Google Patents
A kind of yellowing-resistant antibacterial mobile phone shell sheath and preparation method thereof Download PDFInfo
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/06—Pretreated ingredients and ingredients covered by the main groups C08K3/00 - C08K7/00
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/32—Phosphorus-containing compounds
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/10—Esters; Ether-esters
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/13—Phenols; Phenolates
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K9/00—Use of pretreated ingredients
- C08K9/12—Adsorbed ingredients, e.g. ingredients on carriers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/32—Phosphorus-containing compounds
- C08K2003/321—Phosphates
- C08K2003/328—Phosphates of heavy metals
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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Abstract
The present invention relates to a kind of yellowing-resistant antibacterial mobile phone shell sheath, component includes TPU100 parts by weight, 1~5 parts by weight of antiseptic, 0.03~2 parts by weight of dispersant, 0.1~1 parts by weight of 1~3 parts by weight of coupling agent, 0.1~3 parts by weight of ultra-violet absorber and light stabilizer；Antiseptic is nanometer silver-zirconium phosphate antimicrobial, and dispersant is anacardol, and coupling agent is titante coupling agent.Further relate to the preparation method of above-mentioned mobile phone shell sheath：Melt is formed after TPU particles, antiseptic, dispersant, ultra-violet absorber and light stabilizer are mixed by extruder to be injected into mobile phone shell mold, mold keeps the temperature 3~5 minutes, then cooling down to room temperature after melt is injected.The mobile phone shell sheath antimicrobial spectrum of the present invention is wide, bacteriostasis rate is high, yellowing resistance energy is good, and anti-microbial property can be maintained at higher level for a long time.
Description
Technical field
The present invention relates to Cellphone Accessories technical field, specifically a kind of yellowing-resistant antibacterial mobile phone shell sheath and its preparation side
Method.
Background technology
Ministry of Industry and Information's latest data shows that in by the end of December, 2015 by, China's number of mobile phone users is used up to 13.06 hundred million families, mobile phone
Family popularity rate has become the indispensable life tool of people's daily life up to 95.5/hundred people, mobile phone.There is investigation to show hand
Machine is every square centimeter to be just stationed 120,000 bacteriums, is calculated according to such, whole mobile phone has a bacteriums up to a million, this number at least
Word is enough to enable the bacterium troop on toilet seat pad to feel deeply ashamed.Due to special environment and special treatment, mobile phone has become greatly
Measure the breeding base of bacterium.It is not that each mobile phone user knows for such investigation result, many consumers are almost
The consciousness of mobile phone is not cleaned, the breeding of bacterium has more been aggravated.Britain research personnel and expert to its people using mobile phone present situation and
30 mobile phone samples are investigated.Result of study is shown：In 63,000,000 mobile phones in Britain's use, there are 14,700,000
There are health threats for mobile phone.The amount of bacteria that an average mobile phone carries is 18 times of men's lavatory flush handle bacterial content.Participate in research
Sanitationist Jim Mark Lewis-Francis indicate, these bacteriums include a large amount of Escherichia coli and staphylococcus aureus.He
Say that people are reluctant to remove to touch the flush handle of lavatory with hand, because feeling that it is very dirty, but the bacterial content of flush handle compares mobile phone
Want much lower.Mobile phone surface is covered with ten hundreds of bacteriums, and when making a phone call, these bacteriums to wriggle will not inevitably be arrived by erasing
The positions such as face may be led to dark sore, pneumonia, meningitis or even supervirus staphylococcus aureus, individual Mries youth
Skin dark sore has much relations with frequent using by the mobile phone of pathogen contamination.It as the saying goes " illness finds its way in by the mouth, and trouble comes out of the mouth ", mobile phone
The disease brought also is not limited only to dermopathic scope.Many mobile phone users have the custom made a phone call when eating, and
Bacterium on mobile phone is perhaps with regard to " going downstream ".Therefore, mobile phone bacterium just stealthily affects our health.Cause
This, exploitation antibiotic property mobile phone shell sheath is particularly important.
Polyurethane has high intensity, wear-resisting, cold-resistant, ventilative, ageing-resistant, solvent resistant, soft texture, processing performance good,
It is widely applied in our lives.
Invention content
In order to overcome the defect of the above-mentioned prior art, technical problem to be solved by the invention is to provide a kind of antimicrobial spectrums
Extensively, the yellowing-resistant antibacterial mobile phone shell sheath and preparation method thereof that bacteriostasis rate is high, yellowing resistance energy is good.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention one is：
A kind of yellowing-resistant antibacterial mobile phone shell sheath, includes the component of following parts by weight：
TPU100 parts by weight, 1~5 parts by weight of antiseptic, 0.03~2 parts by weight of dispersant, coupling agent 1-3 parts by weight, purple
0.1~3 parts by weight of ultraviolet absorbers, 0.1~1 parts by weight of light stabilizer；
The antiseptic is nanometer silver-zirconium phosphate antimicrobial, and the dispersant is anacardol, and the coupling agent is metatitanic acid
Esters coupling agent.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention two is：
A kind of preparation method of yellowing-resistant antibacterial mobile phone shell sheath, including：
Using the TPU particles of 100 parts by weight as base stock, the antiseptics of 1~5 parts by weight, 0.03~2 parts by weight are added
The light stabilizer of dispersant, the coupling agent of 1~3 parts by weight, the ultra-violet absorber of 0.1~3 parts by weight and 0.1~1 parts by weight,
Melt being formed after mixing by extruder to be injected into mobile phone shell mold, mold keeps the temperature 3~5 minutes after melt is injected,
Then cooling down obtains yellowing-resistant antibacterial mobile phone shell sheath to room temperature；
The antiseptic is nanometer silver-zirconium phosphate antimicrobial, and the dispersant is anacardol, and the coupling agent is metatitanic acid
Esters coupling agent.
The beneficial effects of the present invention are：Mobile phone shell sheath is made by using TPU, and by nanometer basic zirconium phosphate Ag-carried antibacterial
Agent, ultra-violet absorber and light stabilizer are added in mobile phone shell sheath, and mobile phone shell sheath is made to have safe, heat resistance
Well, the advantages that chemical stability is good, antimicrobial spectrum is wide, bacteriostasis rate is high, yellowing resistance can be good can carry out high-efficiency broad spectrum to all kinds of bacteriums
Killing and removal, meet well mobile phone shell sheath antibacterial requirement.Also, nanometer silver-zirconium phosphate antimicrobial is in cashew nut
Under the action of phenol dispersant and titante coupling agent, it can be homogeneously dispersed in TPU, it is compatible with TPU and other components
Property greatly promote, layering and precipitation phenomenon weaken significantly, are conducive to it and give full play to antibiotic property, and make the anti-microbial property of product
It can be maintained at higher level for a long time.After tested, yellowing-resistant antibacterial mobile phone shell sheath provided by the invention, uses the process of half a year
In, it is cleaned through 30 times, 85% or more still may remain in the bacteriostasis rate of staphylococcus aureus and Escherichia coli, and thoroughly
Light rate keeps 95%, and mobile phone shell jacket surface is precipitated without antiseptic, and its thermoplastic characteristic is convenient for its recycling, subtracts
Few pollution to environment.
Specific implementation mode
To explain the technical content, the achieved purpose and the effect of the present invention in detail, it is explained below in conjunction with embodiment.
The design of most critical of the present invention is:Nanometer silver-zirconium phosphate antimicrobial is added in TPU so that it is prepared into
To mobile phone shell sheath have a good antibiotic property, and promote nanometer phosphoric acid using anacardol dispersant and titante coupling agent
Dispersibility and compatibility of the zirconium carrying silver antimicrobials in TPU, to give full play to product antibiotic property and anti-microbial property it is long-term
Stability.
Specifically, yellowing-resistant antibacterial mobile phone shell sheath provided by the invention, includes the component of following parts by weight：
TPU100 parts by weight, 1~5 parts by weight of antiseptic, 0.03~2 parts by weight of dispersant, 1~3 parts by weight of coupling agent, purple
0.1~3 parts by weight of ultraviolet absorbers, 0.1~1 parts by weight of light stabilizer；
The antiseptic is nanometer silver-zirconium phosphate antimicrobial, and the dispersant is anacardol, and the coupling agent is metatitanic acid
Esters coupling agent.
In the above-described embodiments, nanometer silver-zirconium phosphate antimicrobial, also known as antiseptic VK-T08 are using basic zirconium phosphate as carrier
Silver-based inorganic antibacterial agent.It is using bedded zirconium phosphate as carrier, and the various metals ion such as silver-colored zinc is antibacterial ion and a variety of
Inorganic antiseptic made of auxiliary agent.It has it is safe, heat-resist, chemical stability is good, can be added to various types of resins
In, antibacterial action is played, can all kinds of bacteriums be carried out with the killing and removal of high-efficiency broad spectrum.But in practical application, due to nanometer
The compatibility of silver-zirconium phosphate antimicrobial and polyurethane resin is bad, easily occurs during use being layered and precipitation phenomenon, very
Difficulty gives full play to its anti-microbial property, therefore application of the nanometer silver-zirconium phosphate antimicrobial in polyurethane is unsatisfactory.Based on this,
The present invention after a large amount of autonomous research and experiment by having found：Nanometer silver-zirconium phosphate antimicrobial is in anacardol dispersant and metatitanic acid
It under the action of esters coupling agent, can be homogeneously dispersed in TPU, be greatly promoted with the compatibility of TPU, layering and precipitation phenomenon
Weaken significantly, is conducive to it and gives full play to antibiotic property, and the anti-microbial property of product is allow to be maintained at higher level for a long time.
As can be seen from the above description, the beneficial effects of the present invention are：Mobile phone shell sheath is made by using TPU, and will be received
Rice silver-zirconium phosphate antimicrobial, ultra-violet absorber and light stabilizer are added in mobile phone shell sheath, and mobile phone shell sheath is made to have
It is safe, heat-resist, chemical stability is good, antimicrobial spectrum is wide, bacteriostasis rate is high, yellowing resistance can it is good the advantages that, can be to all kinds of
Bacterium carries out the killing and removal of high-efficiency broad spectrum, meets the antibacterial requirement of mobile phone shell sheath well.Also, nanometer basic zirconium phosphate
Carrying silver antimicrobials can be homogeneously dispersed in TPU under the action of anacardol dispersant and titante coupling agent, with TPU
And the compatibility of other components greatly promotes, layering and precipitation phenomenon weaken significantly, are conducive to it and give full play to antibiotic property, and make
Higher level can be maintained at for a long time by obtaining the anti-microbial property of product.After tested, yellowing-resistant antibacterial mobile phone shell shield provided by the invention
Set during using half a year, is cleaned through 30 times, still can be protected to the bacteriostasis rate of staphylococcus aureus and Escherichia coli
It holds 85% or more, and light transmittance keeps 95%, mobile phone shell jacket surface is precipitated without antiseptic, and its thermoplastic characteristic is just
In its recycling, the pollution to environment is reduced.
Further, the TPU is the polyester-type TPU of shore hardness 55A~70A.
Further, the ultra-violet absorber is selected from one or more of UV-531, UV-9, UVP-327 and UV-O.
Further, the light stabilizer is selected from one or more of light stabilizer 944,770 and 783.
Specifically, the preparation method of yellowing-resistant antibacterial mobile phone shell sheath provided by the invention, including：
Using the TPU particles of 100 parts by weight as base stock, the antiseptics of 1~5 parts by weight, 0.03~2 parts by weight are added
The light stabilizer of dispersant, the coupling agent of 1~3 parts by weight, the ultra-violet absorber of 0.1~3 parts by weight and 0.1~1 parts by weight,
Melt being formed after mixing by extruder to be injected into mobile phone shell mold, mold keeps the temperature 3~5 minutes after melt is injected,
Then cooling down obtains yellowing-resistant antibacterial mobile phone shell sheath to room temperature；
The antiseptic is nanometer silver-zirconium phosphate antimicrobial, and the dispersant is anacardol, and the coupling agent is metatitanic acid
Esters coupling agent.
Above-mentioned preparation method provided by the invention, it is simple to operation, it is advantageous to industrialization large-scale production, economy effect
It is beneficial notable.
Experimental example 1
Using 100 parts by weight shore hardnesses for 65A polyester-type TPU particles as base stock, add 5 parts by weight nanometer phosphoric acid
Zirconium carrying silver antimicrobials, the anacardol of 0.03 parts by weight, the titanate coupling agent (TMC-201) of 1 parts by weight, 0.5 parts by weight UV-
531 and 0.3 parts by weight light stabilizer 944 forms melt by extruder after mixing and is injected into mobile phone shell mold, and mold is molten
After body is injected, 3~5 minutes are kept the temperature, then cooling down to room temperature is to get yellowing-resistant antibacterial mobile phone shell sheath.
Experimental example 2
Using 100 parts by weight shore hardnesses for 60A polyester-type TPU particles as base stock, add 5 parts by weight nanometer phosphorus
Sour zirconium carrying silver antimicrobials, the anacardol of 0.1 parts by weight, the titanate coupling agent (TMC-101) of 2 parts by weight, 1.5 parts by weight UV-9
With 0.5 parts by weight light stabilizer 783, melt is formed by extruder after mixing and is injected into mobile phone shell mold, mold is in melt
After injection, 3~5 minutes are kept the temperature, then cooling down to room temperature is to get yellowing-resistant antibacterial mobile phone shell sheath.
Experimental example 3
Using 100 parts by weight shore hardnesses for 65A polyester-type TPU particles as base stock, add 4 parts by weight nanometer phosphoric acid
Zirconium carrying silver antimicrobials, the anacardol of 0.5 parts by weight, the titanate coupling agent (TMC-311) of 1 parts by weight, 1.5 parts by weight UVP-0
With 0.5 parts by weight light stabilizer 770, melt is formed by extruder after mixing and is injected into mobile phone shell mold, mold is in melt
After injection, 3~5 minutes are kept the temperature, then cooling down to room temperature is to get yellowing-resistant antibacterial mobile phone shell sheath.
Experimental example 4
Using 100 parts by weight shore hardnesses for 60A polyester-type TPU particles as base stock, add 5 parts by weight nanometer phosphoric acid
Zirconium carrying silver antimicrobials, the anacardol of 2 parts by weight, the titanate coupling agent (TMC-105) of 3 parts by weight, 1.5 parts by weight UV-9 and
0.5 parts by weight light stabilizer 944 forms melt by extruder after mixing and is injected into mobile phone shell mold, and mold is noted in melt
After penetrating, 3~5 minutes are kept the temperature, then cooling down to room temperature is to get yellowing-resistant antibacterial mobile phone shell sheath.
After tested, the yellowing-resistant antibacterial mobile phone shell sheath that above-described embodiment 1-4 is prepared to staphylococcus aureus and
The bacteriostasis rate of Escherichia coli is respectively 99% and 100%.During using half a year, cleaned through 30 times, to golden yellow grape
The bacteriostasis rate of coccus and Escherichia coli still may remain in 85% or more, and light transmittance keeps 95%, mobile phone shell jacket surface
No antiseptic is precipitated.
Example the above is only the implementation of the present invention is not intended to limit the scope of the invention, every to utilize this hair
Equivalents made by bright description are applied directly or indirectly in relevant technical field, are similarly included in this hair
In bright scope of patent protection.
Claims (4)
1. a kind of yellowing-resistant antibacterial mobile phone shell sheath, which is characterized in that include the component of following parts by weight：
TPU100 parts by weight, 1~5 parts by weight of antiseptic, 0.03~2 parts by weight of dispersant, 1~3 parts by weight of coupling agent, ultraviolet light
0.1~3 parts by weight of absorbent, 0.1~1 parts by weight of light stabilizer；
The antiseptic is nanometer silver-zirconium phosphate antimicrobial, and the dispersant is anacardol, and the coupling agent is titanate ester
Coupling agent；
The light stabilizer is selected from one or more of light stabilizer 944,770 and 783；
The ultra-violet absorber is selected from one or more of UV-531, UV-9, UVP-327 and UV-O.
2. yellowing-resistant antibacterial mobile phone shell sheath according to claim 1, it is characterised in that：The TPU is shore hardness 55A
The polyester-type TPU of~70A.
3. a kind of preparation method of yellowing-resistant antibacterial mobile phone shell sheath, which is characterized in that including：
Using the TPU particles of 100 parts by weight as base stock, the dispersion of the antiseptic, 0.03~2 parts by weight of 1~5 parts by weight is added
Agent, the coupling agent of 1~3 parts by weight, the ultra-violet absorber of 0.1~3 parts by weight and 0.1~1 parts by weight light stabilizer, mixing
It forms melt by extruder afterwards to be injected into mobile phone shell mold, mold keeps the temperature 3~5 minutes, then after melt is injected
Cooling down obtains yellowing-resistant antibacterial mobile phone shell sheath to room temperature；
The antiseptic is nanometer silver-zirconium phosphate antimicrobial, and the dispersant is anacardol, and the coupling agent is titanate ester
Coupling agent；
The light stabilizer is selected from one or more of light stabilizer 944,770 and 783；
The ultra-violet absorber is selected from one or more of UV-531, UV-9, UVP-327 and UV-O.
4. the preparation method of yellowing-resistant antibacterial mobile phone shell sheath according to claim 3, it is characterised in that：The TPU is
The polyester-type TPU of shore hardness 55A~70A.
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107090169A (en) * | 2017-04-19 | 2017-08-25 | 浙江醒缘生物科技有限公司 | A kind of antibiotic radiation proof mobile phone shell and preparation method thereof |
| CN110938187A (en) * | 2019-12-07 | 2020-03-31 | 泉州玺堡家居科技有限公司 | Polyurethane slow-resilience sponge and preparation method thereof |
| CN111961325A (en) * | 2020-08-27 | 2020-11-20 | 广州市文逸通讯设备有限公司 | Antibacterial composite material and preparation method and application thereof |
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Effective date of registration: 20200313 Address after: No. 5, Xiaobu 2nd Road, Fenggang town, Dongguan City, Guangdong Province Patentee after: DONGGUAN JIEZHIYANG PLASTIC INDUSTRIAL Co.,Ltd. Address before: 362000, Fujian Quanzhou District, Quangang Province Lu Feng Petrochemical hi tech incubation base Patentee before: QUANGANG PETROCHEMICAL RESEARCH INSTITUTE OF FUJIAN NORMAL University |