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公开(公告)号：US12104011B2
公开(公告)日：2024-10-01
申请号：US17631057
申请日：2020-09-16
申请人： LG CHEM, LTD.
发明人： Banseok Choi , Jung Yun Choi , Chul Woong Kim , Sungwoon Heo , Eungwon Kim , Donggyun Kang
IPC分类号： C08G63/08 , B29B7/38 , B29K67/00 , B29K96/04 , B29K105/00 , B29K105/06 , C08J3/20
CPC分类号： C08G63/08 , C08J3/203 , B29B7/38 , B29K2067/04 , B29K2096/04 , B29K2105/0085 , B29K2105/06 , C08J2367/04
摘要： Provided is a biopolymer composition, a preparation method for the same, and a bioplastic using the same, the biopolymer composition comprising at least 83.5 weight % of a copolymer resin of lactic acid (LA) and 3-hydroxypropionate (3HP), an antioxidant, and a lubricant, and the composition having an elongation percentage of at least 90% but not greater than 500%.
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公开(公告)号：US11827745B2
公开(公告)日：2023-11-28
申请号：US17266925
申请日：2020-03-17
申请人： LG CHEM, LTD.
发明人： Jung Yun Choi , Sungwoon Heo , Chul Woong Kim
IPC分类号： C08G63/685 , C08G63/85 , C08G63/82
CPC分类号： C08G63/6852 , C08G63/823 , C08G63/85 , C08G2230/00
摘要： Provided is a triblock copolymer comprising a poly(3-hydroxypropionate) block, and polylactide blocks bonded to both ends of the poly(3-hydroxypropionate) block. Also provided is a method for preparing a triblock copolymer by ring-opening polymerization of lactide monomers in the presence of a poly(3-hydroxypropionate) initiator having hydroxy groups at both ends.
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公开(公告)号：US11840604B2
公开(公告)日：2023-12-12
申请号：US17269963
申请日：2020-03-17
申请人： LG CHEM, LTD.
发明人： Jung Yun Choi , Sungwoon Heo , Chul Woong Kim
摘要： Provided is a method for preparing a block copolymer, the method comprising subjecting a lactide monomer to a ring-opening polymerization in the presence of a poly(3-hydroxypropionate) initiator to prepare a polylactide-poly(3-hydroxypropionate)block copolymer.
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