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Title:
POLY(LACTIC ACID-B-3-HYDROXYPROPIONIC ACID) BLOCK COPOLYMER HAVING EXCELLENT TENSILE STRENGTH, AND PRODUCT COMPRISING SAME
Document Type and Number:
WIPO Patent Application WO/2022/182160
Kind Code:
A1
Abstract:
In the poly(lactic acid-b-3-hydroxypropionic acid) block copolymer according to the present invention, a 3-hydroxypropionic acid-derived monomer is introduced in polylactic acid, so that various properties such as tensile strength of the polylactic acid are improved, and thus the application fields thereof can be expanded.

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Inventors:
CHOI JUNG YUN (KR)
LEE YEONJU (KR)
PARK SOLYI (KR)
CHO SUHYUN (KR)
KANG DONGGYUN (KR)
KIM CHUL WOONG (KR)
KIM EUNGWON (KR)
JO JUNG HYUN (KR)
Application Number:
PCT/KR2022/002705
Publication Date:
September 01, 2022
Filing Date:
February 24, 2022
Export Citation:
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Assignee:
LG CHEMICAL LTD (KR)
International Classes:
C08G63/06; C08G63/08; C08L67/04
Domestic Patent References:
WO2009022797A12009-02-19
Foreign References:
KR20200115165A2020-10-07
KR20200126790A2020-11-09
KR20190078387A2019-07-04
KR20050024295A2005-03-10
KR20080046795A2008-05-28
Other References:
JULIEN RAMIER, RENARD ESTELLE, GRANDE DANIEL: "Microwave-Assisted Synthesis and Characterization of Biodegradable Block Copolyesters Based on Poly(3-hydroxyalkanoate)s and Poly(D,L-lactide", JOURNAL OF POLYMER SCIENCE PART A: POLYMER CHEMISTRY, vol. 50, no. 7, 1 April 2012 (2012-04-01), US , pages 1445 - 1455, XP055743447, ISSN: 0887-624X, DOI: 10.1002/pola.25916
Attorney, Agent or Firm:
YOU ME PATENT AND LAW FIRM (KR)
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