CN103709663A - Modified PET/PBT alloy material - Google Patents
Modified PET/PBT alloy material Download PDFInfo
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- CN103709663A CN103709663A CN201210373085.9A CN201210373085A CN103709663A CN 103709663 A CN103709663 A CN 103709663A CN 201210373085 A CN201210373085 A CN 201210373085A CN 103709663 A CN103709663 A CN 103709663A
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Abstract
The invention discloses a modified PET/PBT alloy material. The modified PET/PBT alloy material comprises, by mass, 20-50% of PET, 20-50% of PBT, 20-30% of a glass fiber, 15-25% of a halogen-free flame retardant, 0.5-1% of a nucleating agent, 1-3% of a lubrication dispersant, 0.1-0.5% of a coupling agent and 0.1-1% of an antioxidant. The modified PET/PBT alloy material simultaneously has the respective advantages of the PET and the PBT, the above glass fiber reinforcement greatly improves the thermal deformation temperature, the impact strength, the tensile strength and the bending strength of the alloy material and makes the alloy material have good fluidity and high glossiness, and the halogen-free flame retardation modification makes the alloy material have the advantages of safety, low smoke, non-toxicity and good environmental protection condition, so the PET/PBT alloy material can be extensively applied to the automobile field, the household electrical appliance field, the textile field, the packaging field and the like.
Description
Technical field
The present invention relates to technical field of polymer materials, specifically a kind of modified PET/PBT alloy material.
Background technology
Polyethylene terephthalate (being called for short PET) is the thermoplastic polyester that 20 century 70s grow up with polybutylene terephthalate (being called for short PBT), there is high temperature resistant, moisture-proof, resistance to chemical attack, electrical insulation capability is good and the feature such as good elasticity, and can keep good mechanical property in wide temperature range, in national economy and new high-tech industry, having a wide range of applications, is a kind of indispensable type material.PET second-order transition temperature is higher, and crystallization velocity is slow, and shaping cycle is long; And PBT crystallization velocity is fast, second-order transition temperature is low, easily causes uneven in temperaturely, causes distortion.This make PET and PBT especially the application of PET on engineering plastics be subject to certain restrictions.PET is similar to PBT molecular chain structure, and most of character is also the same, therefore, adopt PET/PBT alloy material that the method for PET and PBT copolymerization, blend makes can be comprehensively performance separately, learn from other's strong points to offset one's weaknesses, make up the defect in one-component performance, obtain the comparatively desirable blend of over-all properties.But there is the shortcomings such as heat-drawn wire is low, shrink of product rate large, easy firing in pure PET/PBT, thereby limits it in the application in some fields.
Summary of the invention
The object of the present invention is to provide a kind of glass that adopts to strengthen raising heat-drawn wire, mechanical property and the good modified PET/PBT alloy material of halogen-free flameproof modified environment-friendly condition.
The technical solution adopted for the present invention to solve the technical problems is: a kind of modified PET/PBT alloy material, its component by mass percent proportioning is: PET 20%～50%, PBT 20%～50%, glass fibre 20%～30%, halogen-free flame retardants 15%～25%, nucleator 0.5%～1%, lubrication dispersing agent 1%～3%, coupling agent 0.1%～0.5%, oxidation inhibitor 0.1%～1%.
Described PET is polyethylene terephthalate.
Described PBT is polybutylene terephthalate.
Described glass fibre is alkali free glass fibre.
Described halogen-free flame retardants is to sulfobenzide phenyl phosphate ester class oligopolymer, poly-a kind of in sulfobenzide phenyl phosphate ester, polyphenyl phosphoric acid bisphenol sulphone ester.
Described nucleator is a kind of in talcum powder, aluminium hydroxide, Sodium Benzoate.
Described lubrication dispersing agent is a kind of in calcium stearate, polyvinylpyrrolidone, AClyn ionomer, TAS-2A.
Described coupling agent is silane coupling agent.
Described oxidation inhibitor is the compound of hindered phenol antioxygen 1010 and phosphite ester kind antioxidant 168.
The preparation method of above-mentioned a kind of modified PET/PBT alloy material, comprises the following steps:
(1), by PET at 130 ℃～150 ℃ dry 3～4 hours, PBT at 130 ℃～140 ℃ dry 3～5 hours, halogen-free flame retardants at 80 ℃～85 ℃ dry 30～45 minutes, stand-by;
(2), glass fibre and coupling agent are taken by weight ratio after, add in high-speed mixer or sonic oscillation producer and mix 5～15 minutes, make after sufficiently mixing the treated glass fibre in surface, stand-by;
(3), take by weight ratio PET, PBT and the halogen-free flame retardants after drying treatment, after mixing, add again the nucleator, lubrication dispersing agent and the oxidation inhibitor that take by weight ratio, then add together in high-speed mixer and fully mix 10～20 minutes;
(4) material, again step (3) being mixed adds the main spout of twin screw extruder, the side spout that the glass fibre of the surperficial treated mistake of step (2) is added to twin screw extruder, control temperature at 270 ℃～290 ℃, the extruded material by twin screw extruder obtains a kind of modified PET/PBT alloy material of the present invention through cooling, air-dry, pelletizing, after dry.
Compared with prior art, the invention has the beneficial effects as follows, a kind of modified PET/PBT the alloy material being made by the present invention has both the advantage of PET and PBT, by glass, strengthen significantly degree simultaneously and improve the performances such as its heat-drawn wire, shock strength, tensile strength and flexural strength, and make it have good mobility and high-luster, halogen-free flameproof modification has the advantages such as safety, low cigarette, nontoxic and environmental protection condition be good, therefore this PET/PBT alloy material has boundless application prospect in fields such as automobile, household electrical appliances, weaving, packings.
Embodiment
Below in conjunction with specific embodiment, further illustrate technical scheme of the present invention.
Embodiment 1:
Modified PET/PBT alloy material, its component by mass percent proportioning is: PET 30%, PBT 30%, alkali free glass fibre 18%, the compound 1% to sulfobenzide phenyl phosphate ester class oligopolymer 18%, talcum powder 0.8%, calcium stearate 2%, silane coupling agent 0.2%, hindered phenol antioxygen 1010 and phosphite ester kind antioxidant 168.
Preparation method: (1), by PET at 130 ℃～150 ℃ dry 3～4 hours, PBT at 130 ℃～140 ℃ dry 3～5 hours, to sulfobenzide phenyl phosphate ester class oligopolymer at 80 ℃～85 ℃ dry 30～45 minutes, stand-by; (2), alkali free glass fibre and silane coupling agent are taken by weight ratio after, add in high-speed mixer or sonic oscillation producer and mix 5～15 minutes, make after sufficiently mixing the alkali free glass fibre that process through silane coupling agent on surface, stand-by; (3), take by weight ratio PET, PBT after drying treatment and to sulfobenzide phenyl phosphate ester class oligopolymer, after mixing, the compound that adds again the talcum powder, calcium stearate and hindered phenol antioxygen 1010 and the phosphite ester kind antioxidant 168 that take by weight ratio, then adds together in high-speed mixer and fully mixes 10～20 minutes; (4) material, again step (3) being mixed adds the main spout of twin screw extruder, the alkali free glass fibre that step (2) surface was processed through silane coupling agent adds the side spout of twin screw extruder, control temperature at 270 ℃～290 ℃, the extruded material by twin screw extruder obtains a kind of modified PET/PBT alloy material of the present invention through cooling, air-dry, pelletizing, after dry.
Embodiment 2:
Modified PET/PBT alloy material, its component by mass percent proportioning is: PET 33%, PBT 20%, alkali free glass fibre 20%, the poly-compound 0.3% to sulfobenzide phenyl phosphate ester 25%, aluminium hydroxide 0.5%, TAS-2A 1%, silane coupling agent 0.2%, hindered phenol antioxygen 1010 and phosphite ester kind antioxidant 168.
Preparation method: (1), by PET at 130 ℃～150 ℃ dry 3～4 hours, PBT at 130 ℃～140 ℃ dry 3～5 hours, poly-to sulfobenzide phenyl phosphate ester at 80 ℃～85 ℃ dry 30～45 minutes, stand-by; (2), alkali free glass fibre and silane coupling agent are taken by weight ratio after, add in high-speed mixer or sonic oscillation producer and mix 5～15 minutes, make after sufficiently mixing the alkali free glass fibre that process through silane coupling agent on surface, stand-by; (3), take by weight ratio PET, the PBT after drying treatment and gather sulfobenzide phenyl phosphate ester, after mixing, the compound that adds again the aluminium hydroxide, TAS-2A and hindered phenol antioxygen 1010 and the phosphite ester kind antioxidant 168 that take by weight ratio, then adds together in high-speed mixer and fully mixes 10～20 minutes; (4) material, again step (3) being mixed adds the main spout of twin screw extruder, the alkali free glass fibre that step (2) surface was processed through silane coupling agent adds the side spout of twin screw extruder, control temperature at 270 ℃～290 ℃, the extruded material by twin screw extruder obtains a kind of modified PET/PBT alloy material of the present invention through cooling, air-dry, pelletizing, after dry.
Claims (8)
1. modified PET/PBT alloy material, it is characterized in that, its component by mass percent proportioning is: PET 20%～50%, PBT 20%～50%, glass fibre 20%～30%, halogen-free flame retardants 15%～25%, nucleator 0.5%～1%, lubrication dispersing agent 1%～3%, coupling agent 0.1%～0.5%, oxidation inhibitor 0.1%～1%.
2. a kind of modified PET/PBT alloy material according to claim 1, is characterized in that, described glass fibre is alkali free glass fibre.
3. a kind of modified PET/PBT alloy material according to claim 1, is characterized in that, described halogen-free flame retardants is to sulfobenzide phenyl phosphate ester class oligopolymer, poly-a kind of in sulfobenzide phenyl phosphate ester, polyphenyl phosphoric acid bisphenol sulphone ester.
4. a kind of modified PET/PBT alloy material according to claim 1, is characterized in that, described nucleator is a kind of in talcum powder, aluminium hydroxide, Sodium Benzoate.
5. a kind of modified PET/PBT alloy material according to claim 1, is characterized in that, described lubrication dispersing agent is a kind of in calcium stearate, polyvinylpyrrolidone, AClyn ionomer, TAS-2A.
6. a kind of modified PET/PBT alloy material according to claim 1, is characterized in that, described coupling agent is silane coupling agent.
7. a kind of modified PET/PBT alloy material according to claim 1, is characterized in that, described oxidation inhibitor is the compound of hindered phenol antioxygen 1010 and phosphite ester kind antioxidant 168.
8. the preparation method of a kind of modified PET/PBT alloy material according to claim 1, is characterized in that, comprises the following steps:
(1), by PET at 130 ℃～150 ℃ dry 3～4 hours, PBT at 130 ℃～140 ℃ dry 3～5 hours, halogen-free flame retardants at 80 ℃～85 ℃ dry 30～45 minutes, stand-by;
(2), glass fibre and coupling agent are taken by weight ratio after, add in high-speed mixer or sonic oscillation producer and mix 5～15 minutes, make after sufficiently mixing the treated glass fibre in surface, stand-by;
(3), take by weight ratio PET, PBT and the halogen-free flame retardants after drying treatment, after mixing, add again the nucleator, lubrication dispersing agent and the oxidation inhibitor that take by weight ratio, then add together in high-speed mixer and fully mix 10～20 minutes;
(4) material, again step (3) being mixed adds the main spout of twin screw extruder, the side spout that the glass fibre of the surperficial treated mistake of step (2) is added to twin screw extruder, control temperature at 270 ℃～290 ℃, the extruded material by twin screw extruder obtains a kind of modified PET/PBT alloy material through cooling, air-dry, pelletizing, after dry.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201210373085.9A CN103709663A (en) | 2012-09-30 | 2012-09-30 | Modified PET/PBT alloy material |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210373085.9A CN103709663A (en) | 2012-09-30 | 2012-09-30 | Modified PET/PBT alloy material |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016010893A1 (en) * | 2014-07-14 | 2016-01-21 | Vertellus Specialties, Inc. | Modification of engineering plastics using olefin-maleic anhydride copolymers |
| CN105977055A (en) * | 2016-06-24 | 2016-09-28 | 安徽江威精密制造有限公司 | Environment-friendly degradable super capacitor diaphragm material |
| CN110093019A (en) * | 2019-05-30 | 2019-08-06 | 江阴市宏丰塑业有限公司 | A kind of fiber glass reinforced PBT/PET alloy modified material and preparation method thereof |
| CN112592566A (en) * | 2020-11-26 | 2021-04-02 | 金发科技股份有限公司 | Low-smoke-density halogen-containing flame-retardant reinforced PBT/PET compound and preparation method and application thereof |
| CN112625405A (en) * | 2020-11-26 | 2021-04-09 | 金发科技股份有限公司 | Low-smoke density halogen-free flame-retardant reinforced PBT/PET compound and preparation method and application thereof |
-
2012
- 2012-09-30 CN CN201210373085.9A patent/CN103709663A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016010893A1 (en) * | 2014-07-14 | 2016-01-21 | Vertellus Specialties, Inc. | Modification of engineering plastics using olefin-maleic anhydride copolymers |
| KR20170054382A (en) * | 2014-07-14 | 2017-05-17 | 버텔러스 홀딩스 엘엘씨 | Modification of engineering plastics using olefin-maleic anhydride copolymers |
| US10800919B2 (en) | 2014-07-14 | 2020-10-13 | Vertellus Holdings Llc | Modification of engineering plastics using olefin-maleic anhydride copolymers |
| KR102466303B1 (en) | 2014-07-14 | 2022-11-14 | 버텔러스 홀딩스 엘엘씨 | Modification of engineering plastics using olefin-maleic anhydride copolymers |
| CN105977055A (en) * | 2016-06-24 | 2016-09-28 | 安徽江威精密制造有限公司 | Environment-friendly degradable super capacitor diaphragm material |
| CN110093019A (en) * | 2019-05-30 | 2019-08-06 | 江阴市宏丰塑业有限公司 | A kind of fiber glass reinforced PBT/PET alloy modified material and preparation method thereof |
| CN112592566A (en) * | 2020-11-26 | 2021-04-02 | 金发科技股份有限公司 | Low-smoke-density halogen-containing flame-retardant reinforced PBT/PET compound and preparation method and application thereof |
| CN112625405A (en) * | 2020-11-26 | 2021-04-09 | 金发科技股份有限公司 | Low-smoke density halogen-free flame-retardant reinforced PBT/PET compound and preparation method and application thereof |
| CN112592566B (en) * | 2020-11-26 | 2022-03-22 | 金发科技股份有限公司 | Low-smoke-density halogen-containing flame-retardant reinforced PBT/PET compound and preparation method and application thereof |
| CN112625405B (en) * | 2020-11-26 | 2022-03-22 | 金发科技股份有限公司 | Low-smoke density halogen-free flame-retardant reinforced PBT/PET compound and preparation method and application thereof |
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Application publication date: 20140409 |