CN102532849B - PC/ASA/PBT (poly carbonate/ acrylonitrile-styrene-acrylate/polybutylene terephthalate) alloy material and preparation method thereof - Google Patents
PC/ASA/PBT (poly carbonate/ acrylonitrile-styrene-acrylate/polybutylene terephthalate) alloy material and preparation method thereof Download PDFInfo
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- CN102532849B CN102532849B CN201110442130.7A CN201110442130A CN102532849B CN 102532849 B CN102532849 B CN 102532849B CN 201110442130 A CN201110442130 A CN 201110442130A CN 102532849 B CN102532849 B CN 102532849B
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Abstract
The invention discloses a PC/ASA/PBT (poly carbonate/ acrylonitrile-styrene-acrylate/polybutylene terephthalate) alloy material and a preparation method thereof. The alloy material comprises the following components in parts by weight: 25-65 parts of poly carbonate, 10-25 parts of acrylonitrile-styrene-acrylate grating copolymer, 20-55 parts of polybutylene terephthalate, 2-10 parts of elastomer flexibilizer and the balance of antioxidant. The product disclosed by the invention has the advantages of excellent impact property and good heat resistance and mechanical property, and can be used for automotive inner and outer accessories and the like.
Description
Technical field
The present invention relates to a kind of good impact property that has, there is polycarbonate (PC)/acrylonitrile-styrene-acrylic ester (ASA)/polybutylene terephthalate (PBT) alloy material of good heat resistance energy and preparation method thereof simultaneously.
Background technology
Polycarbonate, is a kind of engineering plastics of excellent performance, because it has excellent mechanical mechanics property and good flame retardant properties is widely used in every field, as aspects such as various trolley parts, office equipment, casing, packing, medicine, illuminations.Yet meanwhile, polycarbonate also exists the shortcomings such as thermotolerance, weathering resistance be poor, therefore, this has limited again its further application space.In order to improve these shortcomings of polycarbonate, people have done very many-sided improvement.As polycarbonate and other various thermoplastic resins are formed to intermingling material.These intermingling materials combine the common advantage of polycarbonate and other blending resins conventionally, their original some shortcomings have been overcome again simultaneously, therefore, adopt some defect problems that the intermingling material obtaining in this way not only can overcome polycarbonate, and the excellent specific property of polycarbonate self can not be greatly affected yet.As CN200510026712 and CN201010583065 have introduced respectively the preparation method of PC/ABS/PBT and PC/PBT/PET alloy material, the PC alloy material of preparation has excellent over-all properties by this method.Yet the research of PC, ASA and PBT being carried out to blending and modifying is also fewer.
Acrylonitrile-styrene-acrylic ester (ASA) has good dimensional stability, higher notch shock performance., compare with ABS, ASA improves a lot (approximately improving 10 times) at aspects such as the weathering resistance of material, ultraviolet resistances, so ASA engineering plastics have very large application space, market in industries such as automobile, communication, electronics meanwhile.Polybutylene terephthalate (PBT) is that a kind of mobility is outstanding, thermotolerance, the good thermoplastic polyester that is easy to machine-shaping of weathering resistance, is widely used in auto parts, electronic apparatus, machinery, houseware etc.
Therefore, if polycarbonate and acrylonitrile-styrene-acrylic ester, polybutylene terephthalate are made to intermingling material, may obtain and a kind ofly like this there is excellent moulding processability, good thermotolerance, weathering resistance and compared with the material of high impact resistance.Yet the impact property of the PC/ASA/PBT alloy material of directly being prepared by its blend is undesirable, will obtain above-mentioned ideal material for this reason, must adopt toughening technology.
Summary of the invention
The object of the invention is to overcome the deficiency in above-mentioned technology, a kind of PC/ASA/PBT alloy material with good impact property, good heat resistance energy and preparation method thereof is provided.
Object of the present invention can be achieved through the following technical solutions:
Polycarbonate/acrylonitrile-cinnamic acrylic ester/polybutylene terephthalate alloy material, is comprised of polycarbonate, acrylonitrile-styrene-acrylic ester graft copolymer, polybutylene terephthalate, toughner and oxidation inhibitor; Described polycarbonate 25-65 part; Acrylonitrile-styrene-acrylic ester graft copolymer 10-25 part; Polybutylene terephthalate 20-55 part; Elastic body toughening agent 2-10 part.
Described polycarbonate is the bisphenol A-type resin of number-average molecular weight 15000-25000.
Described acrylonitrile-styrene-acrylic ester graft copolymer by weight percentage acrylic elastomer content is 40-80%.
Described elastic body toughening agent is methyl methacrylate/butadiene/styrene copolymers.
The preparation method of above-mentioned polycarbonate/acrylonitrile-cinnamic acrylic ester/polybutylene terephthalate alloy material, is characterized in that:
1) by said ratio, take each material, and the auxiliary agent of matrix material routine and tinting material;
2) PC through super-dry, PBT, ASA, elastic body toughening agent, auxiliary agent and tinting material are mixed after just, with Double-screw feeder continuous uniform, adding screw diameter is 35mm, in the twin screw extruder main barrel of length-to-diameter ratio L/D=36, main barrel divides nine sections to control temperature: from charging opening to head, outlet is followed successively by 200 ℃, 230 ℃, 255 ℃, 255 ℃, 255 ℃, 255 ℃, 255 ℃, 255 ℃, 240 ℃, twin screw rotating speed is 300 revs/min, extrudes material strip pelletizing after tank is cooling and obtains product.
A kind of polycarbonate/acrylonitrile-cinnamic acrylic ester/polybutylene terephthalate the alloy material that adopts technical solution of the present invention, has excellent impact property, and good thermotolerance and mechanical property, can be used for inner and outer decorative parts of automobile etc.
Embodiment
Below by specific embodiment, the present invention is further illustrated, but described embodiment is only for illustrating the present invention rather than restriction the present invention.
The present invention is raw materials used:
PC-1 resin: number-average molecular weight 15,000, Ube chemical industrial company;
PC-2 resin: number-average molecular weight 25,000, Ube chemical industrial company;
PBT resin: German BASF AG product;
MBS: MBS, E920.
ASA-1: acrylic elastomer percentage composition approximately 40%, Mitsubishi Li Yang company produces
ASA-2: acrylic elastomer percentage composition approximately 70%, Mitsubishi Li Yang company produces
Antioxidant 1076: Switzerland Ciba company, Irganox 1076;
Irgasfos 168: Shuan Jian Chemical Co., Ltd., Irganox 168;
Product performance testing method:
Density, by ISO 1183 methods.
Tensile property, by ISO 527 methods, draw speed 50 mm/min.
Bending property, by ISO 178 methods, trial speed 2 mm/min.
Charpy notched Izod impact strength: press ISO 179 methods, the sample of 4 mm thick.
Vicat softening temperature: press ISO 306 methods, 50 ℃/min of temperature rise rates, test under 5 kilograms of load.
Embodiment 1-4 and comparative example
After being mixed by proportion of composing in table 1, PC through super-dry, PBT, ASA, auxiliary agent and tinting material add twin screw extruder (screw diameter 35mm with Double-screw feeder continuous uniform, length-to-diameter ratio L/D=36) in main barrel, it is 200 ℃, 230 ℃, 255 ℃, 255 ℃, 255 ℃, 255 ℃, 255 ℃, 255 ℃, 240 ℃ that main barrel divides nine sections of control temperature (exporting from charging opening to head), twin screw rotating speed is 300 revs/min, extrudes material strip pelletizing after tank is cooling and obtains product.The said products is injection molded into standard batten with plastic-injection moulding machine, 260 ℃ of injection temperatures in 85 ℃ after dry 5 hours in convection oven.The batten of injection formed is put into immediately glass moisture eliminator and carry out performance test after room temperature is placed at least 24 hours.Test result is in Table 1.
Composition and the performance of table 1:PC/ASA/PBT composition
From upper table data, can find out, by adding the mode of elastic body toughening agent, can effectively improve the notch shock performance of PC/ASA/PBT matrix material, make it have higher vicat softening temperature, and other mechanical index be also all relatively good simultaneously.(embodiment 11).
A kind of polycarbonate/acrylonitrile-cinnamic acrylic ester/polybutylene terephthalate intermingling material of the present invention, has good impact property, good heat resistance energy and mechanical property, can be used for inner and outer decorative parts of automobile etc.
Claims (3)
1. polycarbonate/acrylonitrile-cinnamic acrylic ester/polybutylene terephthalate alloy material, is characterized in that: the raw material by following weight part forms: 40 parts of polycarbonate; 10 parts of acrylonitrile-styrene-acrylic ester graft copolymers; 50 parts of polybutylene terephthalates; MBS10 part; 0.15 part of antioxidant 1076,0.3 part of irgasfos 168,0.3 part of tinting material; Wherein, the bisphenol A-type resin that the number-average molecular weight of polycarbonate is 15,000.
2. a kind of polycarbonate/acrylonitrile-cinnamic acrylic ester/polybutylene terephthalate alloy material according to claim 1, is characterized in that: described acrylonitrile-styrene-acrylic ester graft copolymer by weight percentage acrylic elastomer content is 40-80%.
3. a method of preparing polycarbonate/acrylonitrile-cinnamic acrylic ester claimed in claim 1/polybutylene terephthalate alloy material, is characterized in that:
Concrete steps are as follows:
1) by proportioning, take each material;
2) after each mixing of materials through super-dry, with Double-screw feeder continuous uniform, adding screw diameter is 35mm, in the twin screw extruder main barrel of length-to-diameter ratio L/D=36, main barrel divides nine sections to control temperature: from charging opening to head, outlet is followed successively by 200 ℃, 230 ℃, 255 ℃, 255 ℃, 255 ℃, 255 ℃, 255 ℃, 255 ℃, 240 ℃, twin screw rotating speed is 300 revs/min, extrudes material strip pelletizing after tank is cooling and obtains product.
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| CN201110442130.7A CN102532849B (en) | 2011-12-26 | 2011-12-26 | PC/ASA/PBT (poly carbonate/ acrylonitrile-styrene-acrylate/polybutylene terephthalate) alloy material and preparation method thereof |
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| CN201110442130.7A CN102532849B (en) | 2011-12-26 | 2011-12-26 | PC/ASA/PBT (poly carbonate/ acrylonitrile-styrene-acrylate/polybutylene terephthalate) alloy material and preparation method thereof |
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| CN102532849B true CN102532849B (en) | 2014-03-26 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103212114B (en) * | 2013-03-29 | 2015-05-06 | 常州海尔斯医疗器械科技有限公司 | Movable handle of linear stapler and preparation technology thereof |
| US9505930B2 (en) | 2014-07-11 | 2016-11-29 | Sabic Global Technologies B.V. | Low gloss thermoplastic compositions, method of manufacture thereof and articles comprising the same |
| CN105504753A (en) * | 2015-12-30 | 2016-04-20 | 上海普利特复合材料股份有限公司 | High-performance anti-ultraviolet PC/PBT/ASA (polycarbonate/polybutylene terephthalate/acrylonitrile-styrene-acrylate copolymer) composite material and preparation method thereof |
| CN106084716B (en) * | 2016-06-13 | 2019-01-25 | 上海锦湖日丽塑料有限公司 | Weather-proof bloom is exempted to spray PC/ASA alloy material and preparation method thereof |
| CN107759984A (en) * | 2017-10-23 | 2018-03-06 | 安徽江淮汽车集团股份有限公司 | A kind of PBT PC composites and preparation method thereof |
| CN107987493A (en) * | 2017-12-20 | 2018-05-04 | 江阴市龙山合成材料有限公司 | A kind of automobile power source plug connector PBT and preparation method thereof |
| CN109836786A (en) * | 2019-03-04 | 2019-06-04 | 林元钦 | A kind of PC/ASA/PBT alloy material and preparation method thereof for 3D printing |
| KR20210133366A (en) * | 2020-04-28 | 2021-11-08 | 현대자동차주식회사 | Composition for radar penetration cover of vehicle |
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| CN1789333A (en) * | 2005-12-20 | 2006-06-21 | 苏州市凯米克新材料有限公司 | Environmental-friendly fire-retardant PC/PBT plastic alloy |
| CN101407621A (en) * | 2008-11-26 | 2009-04-15 | 佛山市顺德区金康业塑料有限公司 | Flame-retardant PBT / PC plastic alloy and manufacturing method thereof |
| CN101899204A (en) * | 2010-03-05 | 2010-12-01 | 上海锦湖日丽塑料有限公司 | Antistatic PC/ASA alloy material and preparation method thereof |
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| CN1789333A (en) * | 2005-12-20 | 2006-06-21 | 苏州市凯米克新材料有限公司 | Environmental-friendly fire-retardant PC/PBT plastic alloy |
| CN101407621A (en) * | 2008-11-26 | 2009-04-15 | 佛山市顺德区金康业塑料有限公司 | Flame-retardant PBT / PC plastic alloy and manufacturing method thereof |
| CN101899204A (en) * | 2010-03-05 | 2010-12-01 | 上海锦湖日丽塑料有限公司 | Antistatic PC/ASA alloy material and preparation method thereof |
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Address after: 201703 12th Floor, Lane 1, 2855, Shanghai Qingping Highway, Zhaoxiang Town, Qingpu District, Shanghai Patentee after: Shanghai Pret Compound Material Co., Ltd. Address before: 200081 2nd Floor, 421 Lane, Siping Road, Hongkou District, Shanghai Patentee before: Shanghai Pret Compound Material Co., Ltd. |