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Noumenon method ABS modified material for automobile and preparation method thereof

A technology of modified materials and bulk method, which is applied in the field of modified materials and its preparation, can solve the problems of low organic emission, insufficient heat resistance, weather resistance and scratch resistance, low gloss, etc., and achieve the effect of low organic volatilization

Active Publication Date: 2008-02-13
SHANGHAI KINGFA SCI & TECH +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Compared with emulsion-based ABS, bulk-based ABS has the advantages of high purity, low odor, low organic emission, and low gloss. It is more suitable for the automotive industry, but there are still deficiencies in heat resistance, weather resistance and scratch resistance.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0025] The preparation and physical properties of the automobile body ABS modified material of the present invention are shown in the attached table:

[0026] The bulk method ABS used in this example is DOW 3453, 3904, the light stabilizer is UV-326, Tinuvin-770, the antioxidant is Irganox 1010, DLTP, and the processing aid is EBS. The preparation process of the material is as follows:

[0027] 1) Mix ABS3453, 3904, silicone masterbatch, light stabilizer UV-327, UV absorber Tinuvin-770, antioxidant Irganox 1010, DLTP, processing aid EBS in a high mixer, and then feed The length-to-diameter ratio is 40:1, the extrusion temperature is 260° C., and the rotation speed is 400 rpm, and the twin-screw extruder is melt-extruded and granulated in a twin-screw extruder with a distribution combination of strong shear screw elements, and finally this product is obtained.

[0028] Table 1

[0029] Component

1

2

3

4

ABS 3453

ABS 3904

α-MS...

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PUM

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Abstract

The present invention discloses an automotive modified material and the preparation method based o the ontological body ABS. The components and weight percentages of the automotive ontological ABS modified material include 64.0 to 88.7 percent of ontological ABS resin, 10 to 30 percent of heat-resistant modifier, 0.3 to 1.0 percent of light stabilizer, 0.5 to 3 percent of silicone master batch, and 0.2 to 1 percent of processing aid. The surface gloss is only 20 percent; the odor grade is between the second and the third level of the Volkswagen standard; the Vicat softening temperature reaches to 119 Celsius system; the automotive modified material has the low organic volatile and is scratch-resistant; the present invention can completely satisfy the requirements of the inner decoration material used in the current major automotive main machine plants.

Description

technical field [0001] The present invention relates to a modified material based on the bulk method ABS and its preparation method, in particular to a modified bulk method ABS with low gloss, low odor, low organic volatilization, high heat resistance, weather resistance and scratch resistance for automobile interior decoration Modification and its preparation method. Background technique [0002] ABS (acrylonitrile-butadiene-styrene) resin combines the characteristics of general-purpose synthetic resin and engineering plastics. It has excellent comprehensive performance and is easy to process. It is widely used in auto parts. In recent years, people have put forward higher requirements for the driving environment, which is manifested in the aspects of air quality, safety and environmental protection, comfort and aesthetics in the car, and the automotive interior materials will also undergo major changes. [0003] There are many production methods for ABS resin. At present,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L55/02C08K5/521B29C47/40B29B9/12C08L25/06C08L83/04
Inventor 夏建盟吉继亮吴晓辉田征宇刘思扬叶晓光
Owner SHANGHAI KINGFA SCI & TECH
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