Title:
BIODEGRADABLE POLYCARBONATE COPOLYMER COMPRISING UNITS DERIVED FROM ANHYDROSUGAR ALCOHOL, ANHYDROSUGAR ALCOHOL-ALKYLENE GLYCOL, AND AROMATIC DIOL, METHOD FOR PRODUCING SAME, AND MOLDED PRODUCT COMPRISING SAME
Document Type and Number:
WIPO Patent Application WO/2023/121395
Kind Code:
A1
Abstract:
The present invention relates to a polycarbonate copolymer, a method for producing same, and a molded product comprising same, and more specifically, to: a polycarbonate copolymer exhibiting biodegradability and improved tensile strength and elongation compared to conventional polycarbonate copolymers due to including repeating units derived from a carbonate diester component and a diol component containing anhydrosugar alcohol, anhydrosugar alcohol-alkylene glycol, and aromatic diol in a specific content ratio; a method for producing the polycarbonate copolymer; and a molded article comprising the polycarbonate copolymer.
Inventors:
YOO SEUNG HYUN (KR)
IM JUN SEOP (KR)
NOH JAE GUK (KR)
SONG GWANG SEOK (KR)
CHANG MIN JUNG (KR)
IM JUN SEOP (KR)
NOH JAE GUK (KR)
SONG GWANG SEOK (KR)
CHANG MIN JUNG (KR)
Application Number:
PCT/KR2022/021198
Publication Date:
June 29, 2023
Filing Date:
December 23, 2022
Export Citation:
Assignee:
SAMYANG CORP (KR)
International Classes:
C08G64/30; C08G64/14; C08L69/00
Foreign References:
| KR20210082290A | 2021-07-05 | |||
| JP2010037551A | 2010-02-18 | |||
| JP2021134266A | 2021-09-13 | |||
| KR20150023573A | 2015-03-05 | |||
| KR20140009421A | 2014-01-22 | |||
| JP2015209387A | 2015-11-24 |
Attorney, Agent or Firm:
HANSUNG INTELLECTUAL PROPERTY (KR)
Download PDF: