Title:
POLYCARBONATE COPOLYMER, METHOD FOR PREPARING SAME, AND COMPOSITION COMPRISING SAME
Document Type and Number:
WIPO Patent Application WO/2023/182859
Kind Code:
A1
Abstract:
The polycarbonate copolymer of the present invention comprises: a unit derived from at least one type of primary dihydroxyl compound; and a unit derived from at least two types of secondary dihydroxyl compounds, wherein the polycarbonate copolymer has a pencil hardness of H or greater, when a specimen is measured according to the pencil hardness test (ISO 15184), and a glass transition temperature (Tg) of about 90 °C to about 160 °C, measured according to ISO 11357. The polycarbonate copolymer has excellent heat resistance, scratch resistance, moldability, light resistance, weather resistance, transparency, mechanical strength, and the like.
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Inventors:
LEE JIN SEO (KR)
KIM DO KYOUNG (KR)
SEO DO HYUN (KR)
JEONG MIN JAE (KR)
MOON SEUNG HWAN (KR)
KIM DO KYOUNG (KR)
SEO DO HYUN (KR)
JEONG MIN JAE (KR)
MOON SEUNG HWAN (KR)
Application Number:
PCT/KR2023/003952
Publication Date:
September 28, 2023
Filing Date:
March 24, 2023
Export Citation:
Assignee:
HANWHA SOLUTIONS CORP (KR)
International Classes:
C08G64/30; C08G64/16
Domestic Patent References:
| WO2010119574A1 | 2010-10-21 |
Foreign References:
| JP2017031346A | 2017-02-09 | |||
| KR20140145160A | 2014-12-22 | |||
| KR20220022714A | 2022-02-28 | |||
| JP2009102536A | 2009-05-14 |
Attorney, Agent or Firm:
AJU INTERNATIONAL LAW & PATENT GROUP (KR)
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