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公开(公告)号：US20240182701A1
公开(公告)日：2024-06-06
申请号：US18513191
申请日：2023-11-17
发明人： Toshifumi Satoh , Takuya Isono , Kazushige Suzuki , Toi Iizuka , Ken Miyagi , Takahiro Dazai
IPC分类号： C08L53/00
CPC分类号： C08L53/00
摘要： A resin composition for forming a phase-separated structure contains a block copolymer that is formed of a first block, a second block, and a third block, which are bonded to one another. The structure of a constituent unit of a polymer constituting the first block is identical to the structure of a constituent unit of a polymer constituting the third block. The number-average molecular weight (Mn3) of the polymer constituting the third block is smaller than the number-average molecular weight (Mn1) of the polymer constituting the first block.
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公开(公告)号：US20240182623A1
公开(公告)日：2024-06-06
申请号：US18512901
申请日：2023-11-17
发明人： Toshifumi Satoh , Takuya Isono , Kazushige Suzuki , Toi Iizuka , Ken Miyagi , Takahiro Dazai
IPC分类号： C08F299/00
CPC分类号： C08F299/00
摘要： A method of producing a triblock copolymer, the method including reacting a diblock copolymer that contains a first block formed from a repeating structure including a constituent unit containing an aromatic hydrocarbon group, and a second block formed from a repeating structure including a constituent unit derived from an α-substituted acrylic acid ester with a homopolymer that contains a third block formed from a repeating structure including a constituent unit containing an aromatic hydrocarbon group and containing a hydroxy group bonded to a terminal of a main chain in the third block to obtain a triblock copolymer, in which the reaction is transesterification of the constituent unit derived from an (α-substituted) acrylic acid ester at a terminal of a main chain of the diblock copolymer with the homopolymer.
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