Thermoplastic resin composition

A technology of resin composition and thermoplastic resin, which is applied in the field of thermoplastic resin composition and can solve the problems of poor impact resistance at low temperature and the like

Inactive Publication Date: 2012-09-19
TEIJIN KASEK KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the resin described in Patent Document 1 has a problem of poor low-temperature impact resistance.

Method used

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  • Thermoplastic resin composition
  • Thermoplastic resin composition
  • Thermoplastic resin composition

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0148] (1) Raw materials of the resin composition

[0149] (A-1 component)

[0150] PC-1: linear aromatic polycarbonate resin powder with a viscosity-average molecular weight of 22400 produced from bisphenol A and phosgene (Panlite L-1225WP (trade name), manufactured by Teijin Chemicals Co., Ltd.)

[0151] PC-2: Linear aromatic polycarbonate resin powder with a viscosity-average molecular weight of 19,700 produced from bisphenol A and phosgene (Panlite L-1225WX (trade name), manufactured by Teijin Chemicals Co., Ltd.)

[0152] (A-2 component)

[0153] ABS: ABS resin pellets (Santaku UT-61 (trade name), manufactured by NIPPON A&L INC.)

[0154] (A-3 ingredient)

[0155] PET1: Polyethylene terephthalate resin (TR-MB (trade name), manufactured by Teijin Chemicals Co., Ltd.) with an IV value of 0.51 and an amount of terminal carboxyl groups of 26.3 eq / ton when polymerized using a germanium compound polymerization catalyst

[0156] PBT1: polybutylene terephthalate having an IV ...

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Abstract

The invention aims to provide a thermoplastic resin composition having excellent mechanical physical property, especially excellent surface impact strength at low temperature, characterized in that the thermoplastic resin composition having excellent impact resistance at low temperature comprises 99% to 50% by weight of thermoplastic resin (composition A) and 1% to 50% by weight of block copolymer (composition B) composed of S block with polystyrene as the main composition, B block with poly (1,4-butadiene) as the main composition and M block with polymethylmethacrylate as the main composition, and the block copolymer includes at least one binding unit selected from a group consisting of S-B-M, M-S-B-S-M and M-B-S-B-M.

Description

technical field [0001] The present invention relates to a thermoplastic resin composition having remarkably improved low-temperature impact resistance. In more detail, it relates to a copolymer (triblock copolymer) composed of three kinds of mutually different compositions, which has a high practicality of remarkably improving low-temperature impact resistance in the presence of an inorganic filler thermoplastic resin composition. Background technique [0002] Due to reasons such as weight reduction, design freedom, processability, and low cost, there has been a shift from inorganic materials to resins. In recent years, in the automotive field and the OA field, the thickness reduction and weight reduction of components have been rapidly advanced. In particular, there are increasing cases where resins are used for large components such as exterior panels of automobiles in the automotive field and front panels of large equipment in the OA field. [0003] Among them, in the ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L69/00C08L25/08C08L67/00C08L53/02C08K3/00
Inventor 贵田和广鬼泽大光古贺孝志
Owner TEIJIN KASEK KK
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