CN104693760A - Blended alloy of polycarbonate and polybutylene terephthalate - Google Patents
Blended alloy of polycarbonate and polybutylene terephthalate Download PDFInfo
- Publication number
- CN104693760A CN104693760A CN201310663189.8A CN201310663189A CN104693760A CN 104693760 A CN104693760 A CN 104693760A CN 201310663189 A CN201310663189 A CN 201310663189A CN 104693760 A CN104693760 A CN 104693760A
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- Prior art keywords
- polybutylene terephthalate
- polycarbonate
- flame retardant
- bisphenol
- compatilizer
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- 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
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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
- C08L69/00—Compositions of polycarbonates; Compositions of derivatives of polycarbonates
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- 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
- C08J2367/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
- C08J2367/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
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- 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
- C08J2469/00—Characterised by the use of polycarbonates; Derivatives of polycarbonates
-
- 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
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
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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
- C08L2201/02—Flame or fire retardant/resistant
-
- 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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- 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)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a blended alloy of polycarbonate and polybutylene terephthalate. The blended alloy comprises the following components in percentage by mass: 20-60% of bisphenol A aromatic polycarbonate, 20-60% of polybutylene terephthalate, 5-10% of a phosphate flame retardant, 2-5% of polydimethylsiloxane, 0.1-0.5% of nano polytetrafluoroethylene, 1-3% of compatilizer, 0.1-1.5% of triphenyl phosphite, 0.1-0.5% of antioxidant and 0.1-1% of lubricant. The invention has the advantages that the blended alloy of polycarbonate and polybutylene terephthalate, which is prepared by adopting a two-step extrusion method, has excellent mechanical property and flame-retardant property, has good processability and strong heat, corrosion and chemical resistance, is halogen-free, flame-retardant, efficient and environment-friendly, does not have molten drops, meets the requirement of UL94V-0 level and can meet the use requirement of high flame retarding.
Description
Technical field
The present invention relates to technical field of polymer materials, specifically the blend alloy of a kind of polycarbonate and polybutylene terephthalate.
Background technology
Polycarbonate (PC) is as a kind of engineering plastics, and its shock strength is high, and creep resistance is good, has good electrical insulating property and dimensional stability; But because the melt viscosity of PC is large, mobility, solvent resistance and wear resistance are all poor, and its application is restricted.Polybutylene terephthalate (PBT) is a kind of crystalline thermoplastics, and crystallization velocity is fast, is suitable for high-speed molding, have the advantages such as chemical proofing, fluidity of molten are good, but notched Izod impact strength is lower.Therefore, PC and PBT is carried out blending and modifying, can have complementary advantages, both blended flame retardant resistances are bad, although the flame retardant resistance of PC itself can reach UL94 V-2 level, but PBT add the flame retardant resistance reducing PC.But along with the progress of science and technology, more and more higher to the requirement of material environment friendly, the fire-retardant harm brought of traditional halogen system is day by day obvious.The promulgation of RoHS and WEEE two instructions that European Union puts into effect for 2003 limits the flame-retardant modified application of halogen system especially.Therefore, to Halogen, the research and apply pressing down cigarette, safety, environmental protection flame retardant modified polycarbonate and polybutylene terephthalate blend alloy, will be of great significance.
Summary of the invention
The object of the present invention is to provide the blend alloy of polycarbonate that a kind of halogen-free flameproof modified effect is good and polybutylene terephthalate.
The technical solution adopted for the present invention to solve the technical problems is: the blend alloy of a kind of polycarbonate and polybutylene terephthalate, and its component by mass percent proportioning is: bisphenol A-type aromatic copolycarbonate 20% ~ 60%, polybutylene terephthalate 20% ~ 60%, phosphate flame retardant 5% ~ 10%, polydimethylsiloxane 2% ~ 5%, nanometer polytetrafluoroethylcomposite 0.1% ~ 0.5%, compatilizer 1% ~ 3%, triphenyl phosphite 0.1% ~ 1.5%, oxidation inhibitor 0.1% ~ 0.5%, lubricant 0.1% ~ 1%.
Described phosphate flame retardant is triphenylphosphate (TPP) and the composite phosphate flame retardant of dihydroxyphenyl propane-bis-(diphenyl phosphate) (BDP) 1:2 in mass ratio.
Described compatilizer is styrene-grafted copolymer-maleic anhydride (SMA).
Described oxidation inhibitor is the one in antioxidant 1010, antioxidant 1076, oxidation inhibitor 2921, antioxidant 1010 or antioxidant 1076 and irgasfos 168 compound.
Described lubricant is the one in EVA wax, calcium stearate, ethylene bis-fatty acid amides, pentaerythritol stearate.
The preparation method of above-mentioned a kind of polycarbonate and the blend alloy of polybutylene terephthalate, comprises the following steps:
(1), by bisphenol A-type aromatic copolycarbonate in blast drier at 110 DEG C ~ 130 DEG C temperature dry 3 ~ 4 hours, moisture control was below 0.02%, stand-by;
(2), by polybutylene terephthalate in blast drier at 130 DEG C ~ 150 DEG C dry 3 ~ 4 hours, moisture control was below 0.03%, stand-by;
(3), by taking dry polybutylene terephthalate by weight ratio, phosphate flame retardant, polydimethylsiloxane, nanometer polytetrafluoroethylcomposite, oxidation inhibitor, lubricant add in high-speed mixer, after to make to stir together 3 ~ 15 minutes all mixed, discharging add in twin screw extruder carry out melt extruding, cooling granulation, and stand-by after drying;
(4), the product taking dry bisphenol A-type aromatic copolycarbonate and step (3) is by weight ratio added in high-speed mixer, add the compatilizer and triphenyl phosphite that take by weight ratio simultaneously, after to make to stir together 3 ~ 15 minutes all mixed, discharging adds in twin screw extruder, by twin screw extruder fully plastify blended after extrude, cooling granulation, get product.
The invention has the beneficial effects as follows, compared with prior art, the blend alloy of a kind of polycarbonate that the present invention adopts two step extrusion moldings to obtain and polybutylene terephthalate, there is excellent mechanical property and flame retardant properties, and processibility is good, heat-resisting, corrosion-resistant chemical resistance is strong, and halogen-free flameproof is efficient, environmental protection, without molten drop with reach the requirement of UL94 V-0 level, be applicable to the service requirements of high flame retardant.
Embodiment
Technical scheme of the present invention is further illustrated below in conjunction with concrete preferred embodiment.
A blend alloy for polycarbonate and polybutylene terephthalate, its component by mass percent proportioning is: bisphenol A-type aromatic copolycarbonate 50%, polybutylene terephthalate 30%, phosphate flame retardant 10%, polydimethylsiloxane 4%, nanometer polytetrafluoroethylcomposite 0.5%, styrene-grafted copolymer-maleic anhydride (SMA) 3%, triphenyl phosphite 1.5%, antioxidant 1010 and irgasfos 168 compound 0.2%, pentaerythritol stearate 0.8%.Wherein, described phosphate flame retardant is triphenylphosphate (TPP) and the composite phosphate flame retardant of dihydroxyphenyl propane-bis-(diphenyl phosphate) (BDP) 1:2 in mass ratio.
Preparation method: (1), by bisphenol A-type aromatic copolycarbonate in blast drier at 110 DEG C ~ 130 DEG C temperature dry 3 ~ 4 hours, moisture control was below 0.02%, stand-by; (2), by polybutylene terephthalate in blast drier at 130 DEG C ~ 150 DEG C dry 3 ~ 4 hours, moisture control was below 0.03%, stand-by; (3), add in high-speed mixer by taking dry polybutylene terephthalate, phosphate flame retardant, polydimethylsiloxane, nanometer polytetrafluoroethylcomposite, antioxidant 1010 and irgasfos 168 compound, pentaerythritol stearate by weight ratio, after to make to stir together 3 ~ 15 minutes all mixed, discharging add in twin screw extruder carry out melt extruding, cooling granulation, and stand-by after drying; (4), the product taking dry bisphenol A-type aromatic copolycarbonate and step (3) is by weight ratio added in high-speed mixer, add the styrene-grafted copolymer-maleic anhydride (SMA) and triphenyl phosphite that take by weight ratio simultaneously, after to make to stir together 3 ~ 15 minutes all mixed, discharging adds in twin screw extruder, by twin screw extruder fully plastify blended after extrude, cooling granulation, get product.
Claims (4)
1. the blend alloy of a polycarbonate and polybutylene terephthalate, it is characterized in that, its component by mass percent proportioning is: bisphenol A-type aromatic copolycarbonate 20% ~ 60%, polybutylene terephthalate 20% ~ 60%, phosphate flame retardant 5% ~ 10%, polydimethylsiloxane 2% ~ 5%, nanometer polytetrafluoroethylcomposite 0.1% ~ 0.5%, compatilizer 1% ~ 3%, triphenyl phosphite 0.1% ~ 1.5%, oxidation inhibitor 0.1% ~ 0.5%, lubricant 0.1% ~ 1%.
2. the blend alloy of a kind of polycarbonate according to claim 1 and polybutylene terephthalate, it is characterized in that, described phosphate flame retardant is triphenylphosphate (TPP) and the composite phosphate flame retardant of dihydroxyphenyl propane-bis-(diphenyl phosphate) (BDP) 1:2 in mass ratio.
3. the blend alloy of a kind of polycarbonate according to claim 1 and polybutylene terephthalate, is characterized in that, described compatilizer is styrene-grafted copolymer-maleic anhydride (SMA).
4. the preparation method of the blend alloy of a kind of polycarbonate according to claim 1 and polybutylene terephthalate, is characterized in that, comprise the following steps:
(1), by bisphenol A-type aromatic copolycarbonate in blast drier at 110 DEG C ~ 130 DEG C temperature dry 3 ~ 4 hours, moisture control was below 0.02%, stand-by;
(2), by polybutylene terephthalate in blast drier at 130 DEG C ~ 150 DEG C dry 3 ~ 4 hours, moisture control was below 0.03%, stand-by;
(3), by taking dry polybutylene terephthalate by weight ratio, phosphate flame retardant, polydimethylsiloxane, nanometer polytetrafluoroethylcomposite, oxidation inhibitor, lubricant add in high-speed mixer, after to make to stir together 3 ~ 15 minutes all mixed, discharging add in twin screw extruder carry out melt extruding, cooling granulation, and stand-by after drying;
(4), the product taking dry bisphenol A-type aromatic copolycarbonate and step (3) is by weight ratio added in high-speed mixer, add the compatilizer and triphenyl phosphite that take by weight ratio simultaneously, after to make to stir together 3 ~ 15 minutes all mixed, discharging adds in twin screw extruder, by twin screw extruder fully plastify blended after extrude, cooling granulation, get product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310663189.8A CN104693760A (en) | 2013-12-10 | 2013-12-10 | Blended alloy of polycarbonate and polybutylene terephthalate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310663189.8A CN104693760A (en) | 2013-12-10 | 2013-12-10 | Blended alloy of polycarbonate and polybutylene terephthalate |
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| Publication Number | Publication Date |
|---|---|
| CN104693760A true CN104693760A (en) | 2015-06-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310663189.8A Pending CN104693760A (en) | 2013-12-10 | 2013-12-10 | Blended alloy of polycarbonate and polybutylene terephthalate |
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| CN (1) | CN104693760A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108219432A (en) * | 2018-03-02 | 2018-06-29 | 合肥思博特软件开发有限公司 | A kind of use for electronic products flame-retardant polycarbonate material and preparation method thereof |
| CN110669281A (en) * | 2019-10-09 | 2020-01-10 | 江苏万纳普新材料科技有限公司 | Special flame-retardant synergistic functional master batch for modifying polycarbonate and alloy thereof and preparation method thereof |
| CN112011158A (en) * | 2019-05-31 | 2020-12-01 | 海南大学 | Preparation method of blending material and blending material |
| CN112029252A (en) * | 2020-08-07 | 2020-12-04 | 青岛国恩科技股份有限公司 | Weather-proof halogen-free flame-retardant light diffusion PC/PBT material for charging pile panel and preparation method thereof |
| EP3798264A1 (en) * | 2019-09-27 | 2021-03-31 | SHPP Global Technologies B.V. | Reinforced flame retardant polycarbonate compositions with nanostructured fluoropolymer for thin wall applications |
| CN113637306A (en) * | 2021-06-18 | 2021-11-12 | 河北昆驰塑料制品有限公司 | Low-temperature-resistant flame-retardant antistatic PC/PBT alloy and preparation method thereof |
-
2013
- 2013-12-10 CN CN201310663189.8A patent/CN104693760A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108219432A (en) * | 2018-03-02 | 2018-06-29 | 合肥思博特软件开发有限公司 | A kind of use for electronic products flame-retardant polycarbonate material and preparation method thereof |
| CN112011158A (en) * | 2019-05-31 | 2020-12-01 | 海南大学 | Preparation method of blending material and blending material |
| CN112011158B (en) * | 2019-05-31 | 2023-04-07 | 海南大学 | Preparation method of blending material and blending material |
| EP3798264A1 (en) * | 2019-09-27 | 2021-03-31 | SHPP Global Technologies B.V. | Reinforced flame retardant polycarbonate compositions with nanostructured fluoropolymer for thin wall applications |
| CN110669281A (en) * | 2019-10-09 | 2020-01-10 | 江苏万纳普新材料科技有限公司 | Special flame-retardant synergistic functional master batch for modifying polycarbonate and alloy thereof and preparation method thereof |
| CN110669281B (en) * | 2019-10-09 | 2022-08-19 | 江苏万纳普新材料科技有限公司 | Special flame-retardant synergistic functional master batch for modifying polycarbonate and alloy thereof and preparation method thereof |
| CN112029252A (en) * | 2020-08-07 | 2020-12-04 | 青岛国恩科技股份有限公司 | Weather-proof halogen-free flame-retardant light diffusion PC/PBT material for charging pile panel and preparation method thereof |
| CN113637306A (en) * | 2021-06-18 | 2021-11-12 | 河北昆驰塑料制品有限公司 | Low-temperature-resistant flame-retardant antistatic PC/PBT alloy and preparation method thereof |
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