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ABS (acrylonitrile butadiene styrene) composite material for automobile and preparation method thereof

A technology for composite materials and automobiles, which is applied in the field of ABS composite materials for automobiles and its preparation. It can solve the problems that there is no clear theory to explain the unnotched impact strength and the increase of silver streaks, and achieve good heat resistance and unnotched impact performance. The effect of low production cost and high precision of product forming

Inactive Publication Date: 2013-01-09
江苏安格特新材料科技有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Often the addition of suitable rubber particles will lead to increased silver streaks, thereby improving the notched impact toughness of the material, but there is no clear theory for the unnotched impact strength

Method used

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  • ABS (acrylonitrile butadiene styrene) composite material for automobile and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] A preparation method of ABS composite material for automobiles, which has the following steps:

[0024] (1) In terms of weight percentage, after accurately weighing ABS 97.3%, HDPE 2%, antioxidant 10100.2%, antioxidant 1680.2% and lubricant 0.3%, pre-dry at 85-90°C;

[0025] (2) Put the dried material above into a high-speed mixer for dry mixing for 1 to 4 minutes, then put the mixed material into a twin-screw extruder, melt and extrude through the twin-screw extruder, cool, dry, and pelletize to obtain the finished product ;

[0026] The parameters of each segment of the automotive ABS composite material on the twin-screw extruder are set as follows: the temperature of the first zone is 200°C, the temperature of the second zone is 230°C, the temperature of the third zone is 230°C, the temperature of the fourth zone is 230°C, and the temperature of the fifth zone is 230°C , the temperature of the sixth zone is 230°C, the temperature of the seventh zone is 230°C, the te...

Embodiment 2

[0028] A method for preparing ABS composite materials for automobiles, the preparation steps and the place of origin of the materials are the same as in Example 1, and the formula is: ABS 94.3%, HDPE 2%, ABS high rubber powder 3%, antioxidant 10100.2%, antioxidant 1680.2 %, lubricant 0.3%.

Embodiment 3

[0030] A method for preparing ABS composite materials for automobiles, the preparation steps and origin of the materials are the same as in Example 1, the formula is: 82.3% ABS, 2% HDPE, 10% heat-resistant modifier, 5% ABS high rubber powder, anti-oxidant Agent 10100.2%, antioxidant 1680.2%, lubricant 0.3%.

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Abstract

The invention relates to the technical field of composite materials for automobiles, in particular to an ABS (acrylonitrile butadiene styrene) composite material for an automobile and a preparation method thereof. By using ABS as a base material and HDPE (high-density polyethylene) as toughening synergist and by adding heat-resistant modifier, ABS high-rubber powder, antioxidant and lubricant, the obtained ABS composite material for the automobile has the advantages of heat resistance, better non-notched impact performance, simple processing technology and high product molding accuracy. Since components such as the heat-resistant modifier, the ABS high-rubber powder, the HDPE, the antioxidant and the lubricant which are used for preparing the ABS composite material for the automobile are commercially available products which are low in cost and easy to obtain, the production cost of the ABS composite material is lower, the market prospect is better and the ABS composite material has a very wide market in fields such as automobile interior and exterior decoration, electronic products and electric appliances.

Description

technical field [0001] The invention relates to the technical field of composite materials for automobiles, in particular to an ABS composite material for automobiles and a preparation method thereof. Background technique [0002] At present, the automobile market has higher and higher requirements for ABS, and the material standards of many small and medium-sized automobile factories have exceeded the standards of international famous brand automobile factories. Commonly used ABS in the market has high notched impact strength and poor unnotched impact strength, especially heat-resistant ABS, which is difficult to achieve continuous unnotched impact. In the existing research reports, most of them control the impact performance of ABS by increasing the content of ABS high rubber powder or controlling the size of ABS rubber powder particles; the whole industry has put forward many theories on the improvement of notched impact toughness at this stage, and it is used for There ...

Claims

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Application Information

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IPC IPC(8): C08L55/02C08L23/06B29B9/06B29C47/92B29C48/92
CPCB29C48/0022B29C48/04B29C48/40
Inventor 黄俊生孟波石明东
Owner 江苏安格特新材料科技有限公司
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