Heat-resistant resin composition and its production method

A technology of heat-resistant resin and composition, which is applied in the field of heat-resistant resin composition, can solve problems such as insufficient heat resistance, and achieve the effect of excellent heat resistance and excellent balance of physical properties

Active Publication Date: 2020-12-18
DENKA CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

On the other hand, there are cases where heat resistance is insufficient in applications such as automotive interior materials that require heat resistance

Method used

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  • Heat-resistant resin composition and its production method
  • Heat-resistant resin composition and its production method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1～4、 comparative example 1～3

[0099] The maleimide copolymer, ABS resin, SAN resin, and α-methylstyrene acrylonitrile copolymer were mixed as shown in Table 1, melted, kneaded, and devolatilized by an extruder to obtain a resin composition. As the extruder, a twin-screw extruder (35B, TE-ma, manufactured by Toshiba Machine Co., Ltd.) was used. As a configuration of the extruder, first, a kneading section for melt-kneading the respective resins was installed, then a kneading section for adding water and kneading was installed, and then a devolatilization section was installed. The extrusion temperature (the temperature of the filling cylinder in the kneading section and the devolatilization section) is set to the set temperature shown in Table 1, the screw speed is 250rpm, and the feed rate is 30kg / hr for extrusion. Water was added so that it might become 0.5 mass % with respect to the feed amount, and the pressure of a devolatilization part was set to 10 mmHg. The obtained resin composition was evaluated ...

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Abstract

[Problem] The subject of the present invention is to provide a heat-resistant resin composition with reduced VOC. [Solution] The heat-resistant resin composition of the present invention contains a maleimide-based copolymer (A) and a resin (B), and the content of volatile components is less than 500 μg / g, wherein the resin (B) It is at least one selected from ABS resin, ASA resin, AES resin and SAN resin. The molded body produced by using this resin composition can reduce the VOC released from the molded body, and has excellent heat resistance and impact resistance, so it can be applied to automobiles, home appliances, OA equipment, housing construction materials, daily necessities, etc. .

Description

technical field [0001] The present invention relates to a VOC-reduced heat-resistant resin composition and a manufacturing method thereof. Background technique [0002] ABS resin is a thermoplastic resin with acrylonitrile, butadiene, and styrene as its main components. It is widely used in automobiles, home appliances, and OA equipment ( OffcieAutomation equipment, office equipment), residential building materials, daily necessities, etc. On the other hand, in applications where heat resistance is required, such as automotive interior materials, the heat resistance may be insufficient. As techniques for improving heat resistance, there are Patent Documents 1 to 4 in which a maleimide copolymer, an α-methylstyrene copolymer, and the like are used. In recent years, how to reduce VOC (abbreviation of Volatile Organic Compounds) released from automotive interior materials has been studied. [0003] 【Existing Technical Documents】 [0004] 【Patent Document】 [0005] [Patent ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L25/12C08L35/06C08L51/04C08L55/02
CPCC08L25/12C08L55/02C08F279/04C08L2201/02C08F212/08C08F212/10C08F220/44C08L35/06C08F222/06C08F212/12C08L25/08B29C48/145C08L51/04
Inventor 西野广平进藤有一黑川钦也
Owner DENKA CO LTD
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