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Title:
THERMOPLASTIC RESIN COMPOSITION, MANUFACTURING METHOD THEREFOR, AND MOLDED ARTICLE COMPRISING SAME
Document Type and Number:
WIPO Patent Application WO/2022/158719
Kind Code:
A1
Abstract:
The present disclosure relates to a thermoplastic resin composition, a preparation method therefor, and a molded article comprising same and, more specifically, to a thermoplastic resin composition, a preparation method therefor, and a molded article comprising same, the thermoplastic resin composition comprising: (A) 35 to 75 wt% of an alkyl acrylate-aromatic vinyl compound-vinyl cyanide compound graft copolymer containing an alkyl acrylate rubber and having an average particle diameter of 40 to 120 nm; and (B) 25 to 65 wt% of an aromatic vinyl compound-vinyl cyanide compound copolymer having a weight average molecular weight of 50,000 to 180,000 g/mol, wherein the alkyl acrylate coverage value (X) is 70% or greater as calculated by Equation 1. The present invention has an effect of providing a thermoplastic resin composition, a preparation method therefor, and a molded article comprising same, wherein the composition is excellent in terms of mechanical properties, such as impact strength, tensile strength, and elongation, and transparency, colorability, and processability, and especially causes no whitening during cutting processing, leading to excellent non-whitening properties.

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Inventors:
AN YONG HEE (KR)
PARK CHUN HO (KR)
JANG JEONGMIN (KR)
KIM TAE HOON (KR)
SUNG DAEUN (KR)
JOE WANGRAE (KR)
Application Number:
PCT/KR2021/019008
Publication Date:
July 28, 2022
Filing Date:
December 14, 2021
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
LG CHEMICAL LTD (KR)
International Classes:
C08L51/04; C08L25/12
Foreign References:
KR20190073323A2019-06-26
KR20070117315A2007-12-12
KR20180023492A2018-03-07
KR20120029156A2012-03-26
KR20180052333A2018-05-18
JPH0733470A1995-02-03
Other References:
See also references of EP 4063455A4
Attorney, Agent or Firm:
NEWKOREA PATENT & LAW FIRM (KR)
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