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ABS composite material as well as preparation method and application thereof

A composite material and ABS resin technology, applied in the field of modified plastics, can solve the problems of stress whitening and poor chemical resistance, achieve low stress whitening, improve processing fluidity, and reduce the probability of stress whitening. Effect

Active Publication Date: 2021-03-05
TIANJIN KINGFA NEW MATERIAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In view of this, the present invention aims to overcome the defects in the prior art, and proposes an ABS composite material to solve the common problems of stress whitening and poor chemical resistance in the use of ordinary ABS materials in consumer electronic products currently worn. question

Method used

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  • ABS composite material as well as preparation method and application thereof
  • ABS composite material as well as preparation method and application thereof
  • ABS composite material as well as preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1-5

[0045] A kind of ABS composite material with low stress whitening and excellent chemical resistance, its raw material formula is as shown in table 1, and its preparation method comprises the following steps:

[0046] Mix the above-mentioned raw materials except ABS resin Ⅰ evenly, and then feed them from the main feeding port of the extruder. The ABS resin Ⅰ is weighed by side feeding, and then fed into the barrel of the extruder; the raw materials are melted in the extruder , extrusion and granulation to obtain ABS composite materials with low stress whitening and excellent chemical resistance.

[0047] The pellets were injection molded into corresponding samples for testing, and the test results are shown in Table 2.

Embodiment 3

[0058] Compared with Comparative Example 2, Example 3 added styrene monomer, and the stress whitening resistance of the ABS composite material obtained in Example 3 was significantly improved.

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Abstract

The invention provides an ABS composite material and a preparation method and application thereof. The composite material comprises the following components in parts by mass: 15-30 parts of PA6 resin;25-45 parts of ABS resin I; 10-40 parts of ABS resin II; 5-10 parts of a toughening agent; 3-10 parts of a compatilizer; 0.2-1 part of a styrene monomer; and 0.5-1.5 parts of a processing aid. The ABS composite material provided by the invention has excellent performance of low-stress whitening and chemical resistance.

Description

technical field [0001] The invention belongs to the field of modified plastics, and in particular relates to an ABS composite material and its preparation method and application. Background technique [0002] ABS (terpolymer of styrene, butadiene, acrylonitrile) material is a common polymer, due to the collection of high fluidity styrene, good toughness butadiene, and chemical-resistant propylene Nitrile has three kinds of units, so it has excellent comprehensive performance, and is a commonly used material variety in the fields of home appliances, electronic appliances, OA office equipment, etc. The toughness of ABS materials is usually regulated by the content of butadiene rubber in ABS materials, the size and distribution of rubber particles. However, while the toughness of ABS material is improved, the internal stress of the material will gradually increase. Many dark-colored products will appear stress-whitening on the outside during injection molding, especially in we...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L55/02C08L77/02C08L35/06C08L53/02
CPCC08L55/02C08L2205/025C08L2205/035C08L77/02C08L35/06C08L53/025
Inventor 宋晓辉肖华明孙超正郝垠龙付锦峰杨霄云陶四平王中林
Owner TIANJIN KINGFA NEW MATERIAL
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