A kind of super-chemical-resistant PC/ABS alloy material and preparation method thereof

A technology of alloy materials and chemicals, which is applied in the field of super chemical-resistant PC/ABS alloy materials and its preparation, can solve the problems of poor chemical resistance, high processing cost, poor resistance to industrial chemicals, etc., and achieve chemical resistance Enhanced properties, improved compatibility, and the effects of meeting chemical resistance requirements

Active Publication Date: 2019-09-27
SHANGHAI KUMHO SUNNY PLASTICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Parts on automobiles often have strict chemical resistance requirements. General-purpose PC / ABS alloy materials have poor chemical resistance. If the chemical resistance requirements are not met, the parts are subjected to post-processing such as spraying or electroplating. Although the chemical resistance requirements can be met, the processing cost after spraying or electroplating is too high, which brings great cost pressure. Ideal situation When the PC / ABS alloy material is injection molded into parts, it can be used directly without post-processing such as spraying or electroplating, and it can also meet the requirements of chemical resistance
[0004] Chinese patent CN 104927334 A discloses a PC / ABS alloy material resistant to cosmetics, which is made of the following components by weight: 40-80 parts of PC resin, 20-60 parts of ABS resin, 2-5 parts of POE resin, compatible 0.5-1 part of anti-oxidant, 0.1-1 part of antioxidant, and 0.1-1 part of lubricant. This material improves the cosmetic resistance of PC / ABS alloy material to a certain extent, but it only has a certain resistance to cosmetics. Not very resistant to industrial chemicals

Method used

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  • A kind of super-chemical-resistant PC/ABS alloy material and preparation method thereof
  • A kind of super-chemical-resistant PC/ABS alloy material and preparation method thereof
  • A kind of super-chemical-resistant PC/ABS alloy material and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 2

[0023] In embodiment 2, silicon-containing PC resin is polycarbonate-organic silicon random copolymer, and relative molecular weight is 22000, and silicon content is 6wt%, and ABS resin is acrylonitrile-butadiene-styrene copolymer, butadiene The content is 15 wt%, and the LCP resin is a polyimide type thermotropic liquid crystal polymer material.

Embodiment 3

[0024] In embodiment 3, silicon-containing PC resin is polycarbonate-organic silicon random copolymer, and relative molecular weight is 25000, and silicon content is 8wt%, and ABS resin is acrylonitrile-butadiene-styrene copolymer, butadiene The content is 30 wt%, and the LCP resin is a polyamide type thermotropic liquid crystal polymer material.

Embodiment 4

[0025] In embodiment 4, silicon-containing PC resin is polycarbonate-organic silicon random copolymer, and relative molecular weight is 30000, and silicon content is 10wt%, and ABS resin is acrylonitrile-butadiene-styrene copolymer, butadiene The content is 55 wt%, and the LCP resin is a polyester imide type thermotropic liquid crystal polymer material.

[0026] The specific preparation method is:

[0027] (a) preparing materials according to the formula, adding each raw material into a mixer, stirring for 10-20 minutes, and mixing evenly to obtain a mixture;

[0028] (b) blending and granulating the mixture through a twin-screw extruder, wherein the barrel temperature of the twin-screw extruder is controlled at 200-260° C., and the screw speed is controlled at 300-600 rpm.

[0029] Table 1 comparative example 1 and embodiment 1 formula

[0030]

[0031] Table 2 Embodiment 2-4 formula

[0032]

[0033] The PC / ABS alloy material prepared in Comparative Example 1 and Ex...

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Abstract

The invention relates to an ultra-chemical-resisting PC / ABS (Polycarbonate / Acrylonitrile Butadiene Styrene) alloy material and a preparation method of the ultra-chemical-resisting PC / ABS alloy material. The ultra-chemical-resisting PC / ABS alloy material is prepared from the following components in parts by weight: 35 to 75 parts of silicon-containing PC resin, 20 to 60 parts of ABS resin, 5 to 15 parts of LCP (Liquid Crystal Polymer) resin, 1 to 3 parts of a compatilizer, 0.1 to 1 part of an antioxidant and 0.1 to 1 part of a lubricant. Compared with the prior art, the PC / ABS alloy material provided by the invention adopts the silicon-containing PC resin and has chemical resistance better than that of common PC; the compatilizer is introduced so that the compatibility of LCP and PC / ABS is improved; on the basis of guaranteeing basic physical properties, the chemical resistance of the PC / ABS alloy material is improved.

Description

technical field [0001] The invention belongs to the fields of polymer blending and polymer molding processing, and in particular relates to a super chemical-resistant PC / ABS alloy material and a preparation method thereof. Background technique [0002] PC / ABS (polycarbonate and acrylonitrile-butadiene-styrene copolymer and mixture) alloy material takes into account the advantages of both PC and ABS, and has excellent mechanical properties and processing properties. It is used in automobiles, electronics, communications and Chemical industry and other fields have a wide range of applications, especially in recent years, the booming automobile consumer market, and the trend of lightweight automobiles and the use of plastic instead of steel have led to a rapid increase in the use of PC / ABS alloy materials in the automotive field. [0003] The resistance to industrial chemicals is called industrial chemical resistance, which is further divided into acid resistance, alkali resist...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L69/00C08L55/02C08L51/08C08L77/00C08L79/08
Inventor 周中玉李强罗明华辛敏琦
Owner SHANGHAI KUMHO SUNNY PLASTICS
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