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Thermoplastic resin composition and molded article

A thermoplastic resin and composition technology, applied in the superstructure sub-assembly, passenger space, steering control installed on the car, etc., can solve the problems of deformation of molded products, reduced mechanical strength, insufficient heat resistance, etc. Excellent balance of heat resistance and impact resistance, excellent chemical resistance and heat resistance, and excellent heat resistance and impact resistance.

Inactive Publication Date: 2009-07-22
大科能宇菱通株式会社
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

ABS resin is amorphous and has excellent properties such as heat resistance, rigidity, and dimensional accuracy, but there are problems that the resin will deteriorate and the mechanical strength will decrease after long-term use.
For example, in seasons when the temperature is high, the temperature inside the car rises, which often deforms the molded product, resulting in insufficient heat resistance.
In addition, if the human body such as a finger touches the molded product, sebum or creams will penetrate into the molded product, resulting in a decrease in mechanical strength, discoloration, etc., and chemical resistance becomes insufficient.

Method used

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  • Thermoplastic resin composition and molded article
  • Thermoplastic resin composition and molded article
  • Thermoplastic resin composition and molded article

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1～14 and comparative example 1～4

[0372] Using the above-mentioned components [A] to [C], an antioxidant, and a lubricant, granules (thermoplastic resin composition) were used, and various evaluations were performed. The results are listed in Tables 1 to 4 together.

[0373] 【0102】

[0374] 【Table 1】

[0375] Table 1

[0376]

[0377] 【0103】

[0378] 【Table 2】

[0379] Table 2

[0380]

[0381] 【0104】

[0382] 【table 3】

[0383] table 3

[0384]

[0385] 【0105】

[0386] 【Table 4】

[0387] Table 4

[0388]

[0389] 【0106】

[0390] From Tables 1 to 4, the following results can be seen.

Embodiment 15～24 and comparative example 5～8

[0396] The above components [A] to [C], modified olefin resin, antioxidant and lubricant were used to granulate (thermoplastic resin composition), and various evaluations were performed. The results are listed in Tables 5 to 7 together.

[0397] 【0108】

[0398] 【table 5】

[0399] table 5

[0400]

[0401] 【0109】

[0402] 【Table 6】

[0403] Table 6

[0404]

[0405] 【0110】

[0406] 【Table 7】

[0407] Table 7

[0408]

[0409] 【0111】

[0410] From Tables 5 to 7, the following results can be seen.

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PUM

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Abstract

Disclosed is a thermoplastic resin composition having an excellent balance among chemical resistance, heat resistance and impact resistance. Also disclosed is a molded article obtained from such a thermoplastic resin composition. Specifically disclosed is a thermoplastic resin composition containing a rubber-reinforced resin, an ethylene / (meth)acrylate / carbon monoxide copolymer and a polytetrafluoroethylene. The ethylene / (meth)acrylate / carbon monoxide copolymer content and the polytetrafluoroethylene content are respectively 0.5-20 parts by mass and 0.01-5 parts by mass per 100 parts by mass of the rubber-reinforced resin. This thermoplastic resin composition may further contain a modified polyolefin resin.

Description

【Technical field】 [0001] 【0001】 [0002] The present invention relates to a thermoplastic resin composition excellent in balance of chemical resistance, heat resistance, and impact resistance, and a molded article made of the thermoplastic resin composition. 【Background technique】 [0003] 【0002】 [0004] ABS-based resins have been widely used in the past as raw material resins for molded products for vehicle interiors such as automobiles. ABS resin is amorphous and has excellent properties such as heat resistance, rigidity, and dimensional accuracy. However, there is a problem that the resin deteriorates and the mechanical strength decreases after long-term use. For example, in seasons when the temperature is high, the temperature inside the car rises, which often deforms the molded product, resulting in insufficient heat resistance. In addition, if the human body such as a finger touches the molded product, sebum or creams will penetrate into the molded product, resulti...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L51/04B60R5/00B60R7/04B60R7/06B60R13/02B62D1/04C08L27/18C08L73/00
CPCC08L35/06C08L2205/035C08L51/04C08L65/00C08L73/00C08L27/18C08L55/02B60R13/02C08L25/16C08L2205/03C08L25/12C08L2205/02C08L2666/02
Inventor 桧垣圭吾伊藤康彦
Owner 大科能宇菱通株式会社
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