Title:
THERMOPLASTIC RESIN COMPOSITION, PREPARATION METHOD THEREFOR, AND MOLDED PRODUCT MANUFACTURED THEREFROM
Document Type and Number:
WIPO Patent Application WO/2023/068498
Kind Code:
A1
Abstract:
The present invention relates to a thermoplastic resin composition, a preparation method therefor, and a molded product manufactured therefrom and, more specifically, to a thermoplastic resin composition, a preparation method therefor, and a molded product manufactured therefrom, the thermoplastic resin composition comprising: (A) an alkyl (meth)acrylate-aromatic vinyl compound-vinyl cyanide compound graft copolymer comprising a polymer seed, which comprises 70-85 wt% of an alkyl (meth)acrylate and 15-30 wt% of an aromatic vinyl compound, a rubber core, which encompasses the polymer seed and comprises 78-90 wt% of an alkyl acrylate and 10-22 wt% of an aromatic vinyl compound, and a graft shell, which encompasses the rubber core and comprises 65-80 wt% of an aromatic vinyl compound, 14-25 wt% of a vinyl cyanide compound and 3-15 wt% of an alkyl acrylate; and (B) a non-graft copolymer comprising an alkyl (meth)acrylate, an aromatic vinyl compound, a vinyl cyanide compound and an imide-based compound, wherein the thickness and refractive index of each layer of the graft copolymer (A) are appropriately controlled. According to the present invention, provided are: a thermoplastic resin composition having excellent transparency, gloss, heat resistance, weather resistance and impact resistance; a preparation method therefor; and a molded product manufactured therefrom.
Inventors:
LEE EUNJI (KR)
AHN BONG KEUN (KR)
KIM MIN JUNG (KR)
PARK JANGWON (KR)
JEON JIYOON (KR)
KIM SEYONG (KR)
AHN BONG KEUN (KR)
KIM MIN JUNG (KR)
PARK JANGWON (KR)
JEON JIYOON (KR)
KIM SEYONG (KR)
Application Number:
PCT/KR2022/011314
Publication Date:
April 27, 2023
Filing Date:
August 01, 2022
Export Citation:
Assignee:
LG CHEMICAL LTD (KR)
International Classes:
C08L51/06; C08F212/08; C08F220/18; C08F220/44; C08F222/40; C08F265/06; C08F285/00; C08L33/06
Foreign References:
| KR101333578B1 | 2013-11-27 | |||
| KR20130071156A | 2013-06-28 | |||
| KR20120078583A | 2012-07-10 | |||
| KR20070117315A | 2007-12-12 | |||
| KR20210027089A | 2021-03-10 | |||
| KR20210141873A | 2021-11-23 | |||
| KR20220093138A | 2022-07-05 |
Other References:
See also references of EP 4194505A4
Attorney, Agent or Firm:
NEWKOREA PATENT & LAW FIRM (KR)
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