Polycarbonate/acrylonitrile-styrene-acrylate copolymer alloy material and preparation method thereof

A technology of acrylate and polycarbonate, which is applied in the field of polycarbonate/acrylonitrile-styrene-acrylate copolymer alloy materials and its preparation, can solve problems such as poor processing fluidity, easy stress cracking, and notch sensitivity, and achieve Excellent weather resistance, improved processing fluidity, and improved stress cracking resistance

Inactive Publication Date: 2012-04-04
SHANGHAI NAT ENG RES CENT FORNANOTECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The invention provides a polycarbonate / acrylonitrile-styrene-acrylate copolymer alloy material and a preparation method thereof, which overcomes the shortcomings of polycarbonate resin such as poor processing fluidity, easy stress cracking, and sensitivity to notches. , improve the shortcoming of poor weather resistance of general modified polycarbonate alloy (PC / ABS alloy)

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0013] 7000 grams of polycarbonate resin, 2000 grams of acrylonitrile-styrene-acrylate copolymer resin, 500 grams of styrene-maleic anhydride copolymer (SMA), 500 grams of ethylene-butyl acrylate copolymer (E-BA) , 15g tetrakis [β-(3', 5'-di-tert-butyl-4-hydroxyphenyl) propionic acid] pentaerythritol ester (antioxidant 1010), 15g three (2,4-di-tert-butylphenyl) Phosphite (antioxidant 168), 100g oxidized polyethylene wax, 50g benzotriazole UV absorber (UV 5411), 50g polytetrafluoroethylene, mixed by a high-speed mixer for 10 minutes, at an aspect ratio of 40 , Extrude and granulate in a twin-screw extruder with a diameter of 35mm, the extrusion temperature is 220°C to 280°C, and the screw speed is 300rpm.

Embodiment 2

[0015] 4000 grams of polycarbonate resin, 5000 grams of acrylonitrile-styrene-acrylate copolymer resin, 500 grams of styrene-maleic anhydride copolymer (SMA), 500 grams of ethylene-butyl acrylate copolymer (E-BA) , 15 grams of tetrakis [β-(3', 5'-di-tert-butyl-4-hydroxyphenyl) propionate] pentaerythritol ester (antioxidant 1010), 15 grams of three (2,4-di-tert-butylbenzene Base) phosphite (antioxidant 168), 100 grams of oxidized polyethylene wax, 50 grams of benzotriazole ultraviolet absorber (UV 5411), 50 grams of polytetrafluoroethylene, after mixing for 10 minutes by a high-speed mixer, Extrude and granulate in a twin-screw extruder with an aspect ratio of 40 and a diameter of 35 mm, the extrusion temperature is 210° C. to 270° C., and the screw speed is 300 rpm.

Embodiment 3

[0017] 4000 grams of polycarbonate resin, 5000 grams of acrylonitrile-styrene-acrylate copolymer resin, 500 grams of SAN-g-MAH, 500 grams of ethylene-acrylate-acrylate glycidyl ester copolymer (E-MA-GMA ), 15 grams of tetrakis [β-(3', 5'-di-tert-butyl-4-hydroxyphenyl) propionate] pentaerythritol ester (antioxidant 1010), 15 grams of three (2,4-di-tert-butyl Phenyl) phosphite (antioxidant 168), 100 grams of oxidized polyethylene wax, 50 grams of benzotriazole UV absorber (UV 5411), 50 grams of polytetrafluoroethylene, after mixing for 10 minutes by a high-speed mixer , Extrude and granulate in a twin-screw extruder with an aspect ratio of 40 and a diameter of 35 mm, the extrusion temperature is 210° C. to 270° C., and the screw speed is 300 rpm.

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Abstract

The invention relates to a polycarbonate/acrylonitrile-styrene-acrylate copolymer alloy material and a preparation method thereof. The polycarbonate/acrylonitrile-styrene-acrylate copolymer alloy material is prepared mainly from 40 to 70 parts by weight of polycarbonate (PC), 20 to 50 parts by weight of acrylonitrile-styrene-acrylate copolymer (ASA), 2 to 10 parts by weight of a compatilizer, 3 to 15 parts by weight of a flexibilizer, 0.1 to 0.8 parts by weight of anti-oxidants, 0.5 to 5 parts by weight of a lubricant, 0.2 to 1 part by weight of an ultraviolet light absorber and 0.2 to 1.5 parts by weight of teflon through melt blending extrusion. The polycarbonate/acrylonitrile-styrene-acrylate copolymer alloy material obtained by the preparation method has good comprehensive mechanical properties, processing properties and weatherability, and is especially suitable for manufacture of interior and exterior trim parts of automobiles.

Description

technical field [0001] The invention relates to an alloy material and a preparation method thereof, in particular to a polycarbonate / acrylonitrile-styrene-acrylate copolymer alloy material and a preparation method thereof. Background technique [0002] Polycarbonate (PC) is an engineering plastic with superior comprehensive properties. It has excellent toughness, dimensional stability, heat resistance, transparency and other advantages. It is widely used in automobiles, electronics, construction and other fields. However, polycarbonate resin also has some disadvantages, such as poor processing fluidity, easy stress cracking of products, and sensitivity to notches. [0003] Preparation of polycarbonate / acrylonitrile-styrene-acrylate copolymer alloy is an effective way to effectively improve the shortcomings of polycarbonate, and acrylonitrile-styrene-acrylate copolymer resin can reduce the viscosity of polycarbonate and improve polycarbonate Stress cracking resistance, the l...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L69/00C08L51/00C08L27/18C08L25/08C08L23/08
Inventor 陈超盛小海洪月蓉吴娟娟
Owner SHANGHAI NAT ENG RES CENT FORNANOTECH
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