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Title:
THERMOPLASTIC RESIN COMPOSITION, PREPARATION METHOD THEREFOR, AND MOLDED PRODUCT COMPRISING SAME
Document Type and Number:
WIPO Patent Application WO/2021/080199
Kind Code:
A1
Abstract:
Disclosed are a thermoplastic resin composition, a preparation method therefor, and a molded product comprising same, and, more specifically, provided a thermoplastic resin composition, a preparation method therefor, and a molded product comprising same, the thermoplastic resin composition comprising: (A) 65-85 wt% of a heat resistant copolymer comprising 76-92 wt% of a (meth)acrylic acid alkylester compound, 1-8 wt% of an N-substituted maleimide compound and 5-16 wt% of an aromatic vinyl compound; (B) 10-30 wt% of a graft copolymer of an acrylate-based rubber-aromatic vinyl compound-vinyl cyanide compound, comprising an acrylate-based rubber having an average diameter of 50-200 nm; and (C) 1-15 wt% of a graft copolymer of an acrylate-based rubber-aromatic vinyl compound-vinyl cyanide compound, comprising an acrylate-based rubber having an average diameter of 300-600 nm, wherein, in the range in which the weight ratio of the aromatic vinyl compound and the N-substituted maleimide compound in the (A) heat resistant copolymer is 1.5-8, the thermoplastic resin composition has excellent weather resistance and heat resistance and very remarkable coloration, processability and scratch resistance.

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Inventors:
PARK JUNG TAE (KR)
LEE DAE WOO (KR)
SEO JAE BUM (KR)
KIM GYU SUN (KR)
JANG JIUK (KR)
Application Number:
PCT/KR2020/012972
Publication Date:
April 29, 2021
Filing Date:
September 24, 2020
Export Citation:
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Assignee:
LG CHEMICAL LTD (KR)
International Classes:
C08L33/06; C08F2/01; C08F2/04; C08L35/06; C08L51/04
Foreign References:
KR20180073062A2018-07-02
KR19990019314A1999-03-15
KR20030052525A2003-06-27
JPH10204237A1998-08-04
JP2012251015A2012-12-20
KR20190132327A2019-11-27
KR101478394B12014-12-31
Other References:
See also references of EP 3885408A4
Attorney, Agent or Firm:
NEWKOREA PATENT & LAW FIRM (KR)
Download PDF:
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