CN104693755A - PC/PBT flame-retardant modified material and preparation method thereof - Google Patents
PC/PBT flame-retardant modified material and preparation method thereof Download PDFInfo
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- CN104693755A CN104693755A CN201310662652.7A CN201310662652A CN104693755A CN 104693755 A CN104693755 A CN 104693755A CN 201310662652 A CN201310662652 A CN 201310662652A CN 104693755 A CN104693755 A CN 104693755A
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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
- 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
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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)
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- Polymers & Plastics (AREA)
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Abstract
The invention discloses a PC/PBT flame-retardant modified material and a preparation method thereof, wherein the PC/PBT flame-retardant modified material comprises the components in percentage by mass: 30-50 percent of PC, 30-50 percent of PBT, 0.1-1.5 percent of triphenyl phosphate, 2-4 percent of a compatilizer, 5-10 percent of a main flame retardant, 2-5 percent of an auxiliary flame retardant, 3-8 percent of a flexibilizer, 0.1-0.5 percent of a main antioxidant, 0.1-0.5 percent of an auxiliary antioxidant, and 0.1-0.5 percent of a lubricating agent. The PC/PBT flame-retardant modified material has high anti-impact performance of PC and high chemical resistance performance of PBT, and is high in flame-retardant performance, high in processing performance, low in cost, simple in preparation method and easy for industrial production.
Description
Technical field
The present invention relates to technical field of polymer materials, specifically a kind of PC/PBT anti-flaming modified material and preparation method thereof.
Background technology
Polycarbonate (PC) a kind ofly applies increasingly extensive engineering plastics, and it has the mechanical property of comprehensive stability, thermal characteristics and electrical property, and its output is only only second to nylon.PC has shock resistance, dimensional stabilizing, the excellent performance such as heat-resisting, transparent, but its some shortcoming is as processing difficulties, goods unrelieved stress is large, be easy to stress cracking, to notch sensitive, simultaneously solvent resistance and wearing no resistance, all constrain it in a lot of fields in application, co-blended aurification is a kind of important means of PC modification, and it makes PC performance better excellent, thus has widened its Application Areas.PC/PBT alloy is industrialized PC modified product the earliest, also be current most important PC alloy, relative to PC, performance improves processing flowability, reduce the susceptibility of goods counter stress and reduce cost, simultaneously for PBT, improve temperature capability and the impact strength of PBT, and the defects such as product surface depression and warpage can be improved, very large to the demand of PC/PBT in the market.In order to improve the mechanical property, improvement processing characteristics etc. of PC/PBT alloy further, in this alloy system, often introducing a small amount of three components, be intended to the alloy material obtaining having much practical value.
Summary of the invention
The object of the present invention is to provide a kind of PC/PBT anti-flaming modified material and preparation method thereof.
The technical solution adopted for the present invention to solve the technical problems is: a kind of PC/PBT anti-flaming modified material, and its component by mass percent proportioning is: PC 30% ~ 50%, PBT 30% ~ 50%, triphenyl phosphite 0.1% ~ 1.5%, compatilizer 2% ~ 4%, main flame retardant 5% ~ 10%, auxiliary fire retardant 2% ~ 5%, toughner 3% ~ 8%, primary antioxidant 0.1% ~ 0.5%, auxiliary anti-oxidant 0.1% ~ 0.5%, lubricant 0.1% ~ 1.5%.
Described PC is bisphenol A-type aromatic copolycarbonate, and weight-average molecular weight is 20000 ~ 40000g/mol.
Described PBT is polybutylene terephthalate, and its intrinsic viscosity is 0.8 ~ 1.0dL/g.
Described compatilizer is phenylethylene-maleic anhydride-vinylformic acid shrink ester terpolymer (GMA-g-SMA).
Described main flame retardant is the one in decabromodiphynly oxide, tetrabromobisphenol A carbonic ester oligopolymer, dihydroxyphenyl propane-bis-(diphenyl phosphoester).
Described auxiliary fire retardant is the one in antimonous oxide, magnesium hydroxide, zinc borate.
Described toughner is Polyurethane Thermoplastic Elastomer (TPU).
Described primary antioxidant is the one in antioxidant 1010, antioxidant 1076, oxidation inhibitor 2921.
Described auxiliary anti-oxidant is irgasfos 168.
Described lubricant is the one in calcium stearate, ethylene bis-fatty acid amides, pentaerythritol stearate.
The preparation method of above-mentioned a kind of PC/PBT anti-flaming modified material, comprises the following steps:
(1), by PC in blast drier at 110 DEG C ~ 130 DEG C temperature dry 3 ~ 4 hours, PBT at 130 DEG C ~ 150 DEG C dry 3 ~ 4 hours, stand-by;
(2), by taking dry PBT by weight ratio, main flame retardant, auxiliary fire retardant, primary antioxidant, auxiliary anti-oxidant, 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;
(3), the product taking dry PC and step (2) is by weight ratio added in high-speed mixer, add the triphenyl phosphite, toughner and the compatilizer 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, obtain a kind of PC/PBT anti-flaming modified material of the present invention.
The invention has the beneficial effects as follows, compared with prior art, a kind of PC/PBT anti-flaming modified material of the present invention, not only there is the excellent impact resistance energy of PC and the good chemical resistance of PBT, and there is excellent flame retardant performance and processing characteristics, cost is low, and its preparation method is simple and be easy to suitability for industrialized production etc.
Embodiment
Technical scheme of the present invention is further illustrated below in conjunction with concrete preferred embodiment.
Embodiment 1:
A kind of PC/PBT anti-flaming modified material, its component by mass percent proportioning is: PC 40%, PBT 36%, triphenyl phosphite 1.5%, phenylethylene-maleic anhydride-vinylformic acid shrink ester terpolymer (GMA-g-SMA) 4%, decabromodiphynly oxide 10%, antimonous oxide 2%, Polyurethane Thermoplastic Elastomer (TPU) 5%, antioxidant 1010 0.2%, irgasfos 168 0.1%, calcium stearate 1.2%.Wherein, described PC is bisphenol A-type aromatic copolycarbonate, and weight-average molecular weight is 20000 ~ 40000g/mol; Described PBT is polybutylene terephthalate, and its intrinsic viscosity is 0.8 ~ 1.0dL/g.
Preparation method: (1), by PC in blast drier at 110 DEG C ~ 130 DEG C temperature dry 3 ~ 4 hours, PBT at 130 DEG C ~ 150 DEG C dry 3 ~ 4 hours, stand-by; (2), by taking dry PBT by weight ratio, decabromodiphynly oxide, antimonous oxide, antioxidant 1010, irgasfos 168, calcium stearate 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; (3), the product taking dry PC and step (2) is by weight ratio added in high-speed mixer, add the triphenyl phosphite, phenylethylene-maleic anhydride-vinylformic acid shrink ester terpolymer (GMA-g-SMA) and the Polyurethane Thermoplastic Elastomer (TPU) 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, obtain a kind of PC/PBT anti-flaming modified material of the present invention.
Embodiment 2:
A kind of PC/PBT anti-flaming modified material, its component by mass percent proportioning is: PC 45%, PBT 30%, triphenyl phosphite 1%, phenylethylene-maleic anhydride-vinylformic acid shrink ester terpolymer (GMA-g-SMA) 3%, tetrabromobisphenol A carbonic ester oligopolymer 8%, magnesium hydroxide 4%, Polyurethane Thermoplastic Elastomer (TPU) 8%, antioxidant 1076 0.1%, irgasfos 168 0.1%, pentaerythritol stearate 0.8%.Wherein, described PC is bisphenol A-type aromatic copolycarbonate, and weight-average molecular weight is 20000 ~ 40000g/mol; Described PBT is polybutylene terephthalate, and its intrinsic viscosity is 0.8 ~ 1.0dL/g.
Preparation method: (1), by PC in blast drier at 110 DEG C ~ 130 DEG C temperature dry 3 ~ 4 hours, PBT at 130 DEG C ~ 150 DEG C dry 3 ~ 4 hours, stand-by; (2), by taking dry PBT by weight ratio, tetrabromobisphenol A carbonic ester oligopolymer, magnesium hydroxide, antioxidant 1076, irgasfos 168, pentaerythritol stearate 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; (3), the product taking dry PC and step (2) is by weight ratio added in high-speed mixer, add the triphenyl phosphite, phenylethylene-maleic anhydride-vinylformic acid shrink ester terpolymer (GMA-g-SMA) and the Polyurethane Thermoplastic Elastomer (TPU) 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, obtain a kind of PC/PBT anti-flaming modified material of the present invention.
Claims (9)
1. a PC/PBT anti-flaming modified material, it is characterized in that, its component by mass percent proportioning is: PC 30% ~ 50%, PBT 30% ~ 50%, triphenyl phosphite 0.1% ~ 1.5%, compatilizer 2% ~ 4%, main flame retardant 5% ~ 10%, auxiliary fire retardant 2% ~ 5%, toughner 3% ~ 8%, primary antioxidant 0.1% ~ 0.5%, auxiliary anti-oxidant 0.1% ~ 0.5%, lubricant 0.1% ~ 1.5%.
2. a kind of PC/PBT anti-flaming modified material according to claim 1, is characterized in that, described compatilizer is phenylethylene-maleic anhydride-vinylformic acid shrink ester terpolymer (GMA-g-SMA).
3. a kind of PC/PBT anti-flaming modified material according to claim 1, is characterized in that, described main flame retardant is the one in decabromodiphynly oxide, tetrabromobisphenol A carbonic ester oligopolymer, dihydroxyphenyl propane-bis-(diphenyl phosphoester).
4. a kind of PC/PBT anti-flaming modified material according to claim 1, is characterized in that, described auxiliary fire retardant is the one in antimonous oxide, magnesium hydroxide, zinc borate.
5. a kind of PC/PBT anti-flaming modified material according to claim 1, is characterized in that, described toughner is Polyurethane Thermoplastic Elastomer (TPU).
6. a kind of PC/PBT anti-flaming modified material according to claim 1, is characterized in that, described primary antioxidant is the one in antioxidant 1010, antioxidant 1076, oxidation inhibitor 2921.
7. a kind of PC/PBT anti-flaming modified material according to claim 1, is characterized in that, described auxiliary anti-oxidant is irgasfos 168.
8. a kind of PC/PBT anti-flaming modified material according to claim 1, is characterized in that, described lubricant is the one in calcium stearate, ethylene bis-fatty acid amides, pentaerythritol stearate.
9. the preparation method of a kind of PC/PBT anti-flaming modified material according to claim 1, is characterized in that, comprise the following steps:
(1), by PC in blast drier at 110 DEG C ~ 130 DEG C temperature dry 3 ~ 4 hours, PBT at 130 DEG C ~ 150 DEG C dry 3 ~ 4 hours, stand-by;
(2), by taking dry PBT by weight ratio, main flame retardant, auxiliary fire retardant, primary antioxidant, auxiliary anti-oxidant, 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;
(3), the product taking dry PC and step (2) is by weight ratio added in high-speed mixer, add the triphenyl phosphite, toughner and the compatilizer 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, obtain a kind of PC/PBT anti-flaming modified material of the present invention.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310662652.7A CN104693755A (en) | 2013-12-10 | 2013-12-10 | PC/PBT flame-retardant modified material and preparation method thereof |
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| CN201310662652.7A CN104693755A (en) | 2013-12-10 | 2013-12-10 | PC/PBT flame-retardant modified material and preparation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107502213A (en) * | 2017-08-30 | 2017-12-22 | 启领特种膜（苏州）有限公司 | A kind of polybutylene terephthalate (PBT) film based high-temp-resistant adhesive tape |
| CN109337329A (en) * | 2018-09-07 | 2019-02-15 | 广东聚石化学股份有限公司 | A kind of cold-resistant fire retardation PC/PBT alloy and preparation method thereof |
| CN113637310A (en) * | 2021-08-17 | 2021-11-12 | 金发科技股份有限公司 | Polycarbonate/polyester alloy composition with long-term thermal oxidation stability and preparation method and application thereof |
-
2013
- 2013-12-10 CN CN201310662652.7A patent/CN104693755A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107502213A (en) * | 2017-08-30 | 2017-12-22 | 启领特种膜（苏州）有限公司 | A kind of polybutylene terephthalate (PBT) film based high-temp-resistant adhesive tape |
| CN109337329A (en) * | 2018-09-07 | 2019-02-15 | 广东聚石化学股份有限公司 | A kind of cold-resistant fire retardation PC/PBT alloy and preparation method thereof |
| CN113637310A (en) * | 2021-08-17 | 2021-11-12 | 金发科技股份有限公司 | Polycarbonate/polyester alloy composition with long-term thermal oxidation stability and preparation method and application thereof |
| WO2023020398A1 (en) * | 2021-08-17 | 2023-02-23 | 金发科技股份有限公司 | Polycarbonate/polyester alloy composition having long-term thermal oxygen stability, preparation method therefor and application thereof |
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