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Title:
THERMOPLASTIC RESIN COMPOSITION AND THERMOPLASTIC RESIN MOLDED ARTICLE PREPARED THEREFROM
Document Type and Number:
WIPO Patent Application WO/2016/043424
Kind Code:
A1
Abstract:
The present invention provides a thermoplastic resin composition comprising, in a weight ratio of 35:65 to 70:30: a graft copolymer (A) in which (meth)acrylic ester, a vinyl cyanide compound and an aromatic vinyl compound are graft-polymerized to conjugated diene based rubber latex; and a copolymer (B) of a (meth)acrylic acid ester-aromatic vinyl compound-vinyl cyanide based compound, wherein in the event of irradiating light in a wavelength range of 450 nm to 680 nm, the refractive index difference between the graft copolymer (A) and the copolymer (B) of a (meth)acrylic acid ester-aromatic vinyl compound-vinyl cyanide based compound is less than 0.003, and when measuring the flow index according to ASTM D1238, the flow index is 4.0g/10 min or less. A thermoplastic resin molded article prepared from said thermoplastic resin composition exhibits high environmental stress cracking resistance (ESCR) as well as excellent impact resistance and transparency.

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Inventors:
YOO KEUN HOON (KR)
CHOI JEONG SU (KR)
LEE WON SEOK (KR)
JANG SEOK GOO (KR)
LEE ROO DA (KR)
PARK SANG HOO (KR)
KIM HO HOON (KR)
Application Number:
PCT/KR2015/007696
Publication Date:
March 24, 2016
Filing Date:
July 23, 2015
Export Citation:
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Assignee:
LG CHEMICAL LTD (KR)
International Classes:
C08L51/04; C08F212/10; C08F279/02; C08J5/00; C08L25/12
Foreign References:
KR100189393B11999-06-01
KR20120088090A2012-08-08
KR20130046162A2013-05-07
KR20120078583A2012-07-10
KR20140005510A2014-01-15
Other References:
See also references of EP 3037474A4
None
Attorney, Agent or Firm:
BAE, KIM & LEE IP GROUP (KR)
특허법인 태평양 (KR)
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