Thermoplastic resin composition

一种热塑性树脂、组合物的技术，应用在热塑性树脂组合物领域，能够解决减少的白化机械特性、着色性能和表面光泽度热塑性树脂组合物等问题，达到优异着色性能、减少白化的效果

Active Publication Date: 2020-01-10
LG CHEM LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] However, development of thermoplastic resin compositions exhibiting reduced whitening and excellent mechanical properties, coloring properties and surface gloss has been insufficient

Method used

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  • Thermoplastic resin composition
  • Thermoplastic resin composition

Examples

Experimental program
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preparation example Construction

[0040] Hereinafter, each step of the preparation method of the first graft copolymer is described in detail.

[0041] 1) Preparation of alkyl (meth)acrylate polymers

[0042] First, an alkyl (meth)acrylate polymer can be produced by emulsion-polymerizing an alkyl (meth)acrylate monomer.

[0043] The alkyl (meth)acrylate monomer may be one or more selected from methyl acrylate, ethyl acrylate, butyl acrylate and ethylhexyl acrylate. Among them, butyl acrylate is preferable.

[0044] Emulsion polymerization may be performed in the presence of one or more selected from emulsifiers, initiators, crosslinking agents, grafting agents, electrolytes and water.

[0045] The emulsifier can be selected from C 12 to C 18 Metal salt derivatives of alkylsulfosuccinic acids and C 12 to C 20 One or more of metal salt derivatives of alkyl sulfate esters.

[0046] The C 12 to C 18 The metal salt derivative of alkyl sulfosuccinic acid can be selected from dicyclohexyl sodium sulfosuccina...

Embodiment 1

[0164] Add 70 parts by weight of the first graft copolymer (average particle size: 130 nm, core: 50% by weight of units derived from butyl acrylate polymer, shell: 30% by weight of units derived from styrene and 20% by weight of unit derived from acrylonitrile), 20 parts by weight of SAN copolymer (manufacturer: LG Chemical, product name: 90HR, weight average molecular weight: 150,000 g / mol) as a copolymer, 10 parts by weight of polyester-based elastomer ( Manufacturer: LG Chemical, product name: KEYFLEXBT2140D resin, Shore D hardness: 43), 5 parts by weight of diisopropyl phthalate as a phthalate plasticizer, 3 parts by weight of The EBS resin (manufacturer: SUNKOO) of agent, the Irgranox 1076 (product name, manufacturer: BASF) of 0.4 weight part as antioxidant, the Irgrafos 168 (product name, manufacturer: BASF) of 0.4 weight part, 0.6 weight part Tinuvin 770 (product name, manufacturer: BASF) as an ultraviolet stabilizer and 0.6 parts by weight of Sunsorb 329 (product name,...

Embodiment 2

[0167] A sample was produced in the same manner as in Example 1 except that 60 parts by weight of the first graft copolymer and 30 parts by weight of the SAN copolymer were added.

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Abstract

The present invention relates to a thermoplastic resin composition comprising: a first graft copolymer including alkyl (meth)acrylate-based polymer-derived unit, an aromatic vinyl-based monomer-derived unit, and a vinyl cyanide-based monomer-derived unit; a copolymer including an aromatic vinyl-based monomer-derived unit and a vinyl cyanide-based monomer-derived unit; a polyester-based elastomer;and a phthalate-based plasticizer.

Description

technical field [0001] [Cross Reference to Related Application] [0002] This application claims the benefit of priority to Korean Patent Application No. 10-2017-0148529 filed in the Korean Intellectual Property Office on Nov. 09, 2017, the disclosure of which is incorporated herein by reference. [technical field] [0003] The present invention relates to a thermoplastic resin composition, and more particularly, to a thermoplastic resin composition exhibiting reduced whitening. Background technique [0004] Acrylonitrile-styrene-acrylate copolymers containing units derived from alkyl (meth)acrylate polymers are representative examples of thermoplastic resins, which exhibit excellent weather resistance and aging resistance. Thermoplastic resins are used in various fields such as automobiles, ships, leisure goods, building materials, and gardening, and their use is rapidly increasing. [0005] Meanwhile, as the level of user's emotional quality requirements increases, rese...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L51/06C08L25/12C08L67/00C08K5/10C08F265/06
CPCC08K5/10C08L25/12C08L51/06C08L67/00C08L2201/08C08L2205/02C08L67/025C08K5/12C08F265/06C08L2205/025C08L2205/035C08F2500/24C08L51/003C08L2205/06C08L2205/20
Inventor 安勇希黄龙渊朴春浩朴壮洹
Owner LG CHEM LTD
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