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Title:
THERMOPLASTIC RESIN COMPOSITION, PREPARATION METHOD THEREFOR, AND MOLDED ARTICLE COMPRISING SAME
Document Type and Number:
WIPO Patent Application WO/2022/045574
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 comprising: (A) 20 to 42wt% of a polyester resin; (B) 20 to 32wt% of a vinylcyanide compound-conjugated diene compound-aromatic vinyl compound grafted copolymer; and (C) 30 to 48wt% of an aromatic vinyl compound-vinylcyanide compound copolymer, a preparation method therefor, and a molded article comprising same. According to the present invention, there is an effect of providing a thermoplastic resin composition, a preparation method therefor, and a molded article comprising same, wherein the thermoplastic resin composition is very superior in terms of environmental stress cracking (ESC), processability, injection moldability, and injection stability while maintaining mechanical properties, heat stability, and noise rub resistance at the same or greater level, compared to conventional heat-resistant ABS resin compositions, and is suitable for use as an interior material for automobiles due to the particularly excellent economic benefit.

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Inventors:
KO GUN (KR)
KWON TAE HUN (KR)
JUN YISEUL (KR)
PARK JAE CHAN (KR)
Application Number:
PCT/KR2021/008717
Publication Date:
March 03, 2022
Filing Date:
July 08, 2021
Export Citation:
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Assignee:
LG CHEMICAL LTD (KR)
International Classes:
C08L25/12; B29C48/80; C08L55/02; C08L67/02
Foreign References:
KR20150078316A2015-07-08
KR20150067691A2015-06-18
KR20160022257A2016-02-29
KR20110054574A2011-05-25
KR20100078694A2010-07-08
KR20200109155A2020-09-22
KR20210088900A2021-07-15
Other References:
See also references of EP 3992242A4
Attorney, Agent or Firm:
NEWKOREA PATENT & LAW FIRM (KR)
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