Title:
POLYCARBONATE RESIN COMPOSITION, PREPARATION METHOD THEREFOR, AND MOLDED ARTICLE COMPRISING SAME
Document Type and Number:
WIPO Patent Application WO/2024/039099
Kind Code:
A1
Abstract:
The present invention relates to a polycarbonate resin composition, a preparation method therefor, and a molded article comprising same and, more specifically, to a polycarbonate resin composition comprising: A-1) 20-75 weight% of polycarbonate having a melting index (300 ℃, 1.2 kg) of 15-25 g/10 min; B) 5-25 weight% of a polysiloxane-polycarbonate copolymer; C) 5-45 weight% of glass fiber; D) 2-12 weight% of a liquid phosphorus flame retardant; and E) 1-7 weight% of a phosphazene compound, a method for preparing the polycarbonate resin composition, and a molded article comprising the polycarbonate resin composition. The present invention has the effect of providing: a polycarbonate resin composition which contains post-consumer recycled polycarbonate in a high content and thus increases recycling rate, and which also has excellent impact resistance, heat resistance, and flame retardancy; a method for preparing the polycarbonate resin composition; and a molded article including the polycarbonate resin composition.
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Inventors:
LEE SU KYOUNG (KR)
KIM YOUNG WAN (KR)
YANG HEE CHAN (KR)
LEE RYUL (KR)
KIM MINSU (KR)
CHOE WOOSOO (KR)
KIM YOUNG WAN (KR)
YANG HEE CHAN (KR)
LEE RYUL (KR)
KIM MINSU (KR)
CHOE WOOSOO (KR)
Application Number:
PCT/KR2023/010899
Publication Date:
February 22, 2024
Filing Date:
July 27, 2023
Export Citation:
Assignee:
LG CHEMICAL LTD (KR)
International Classes:
C08L69/00; C08G64/18; C08G64/30; C08K5/521; C08K5/5399; C08K7/14
Foreign References:
| KR20150023463A | 2015-03-05 | |||
| KR20160067786A | 2016-06-14 | |||
| KR20110076547A | 2011-07-06 | |||
| KR20170074879A | 2017-06-30 | |||
| KR20170074878A | 2017-06-30 |
Attorney, Agent or Firm:
NEWKOREA PATENT & LAW FIRM (KR)
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