- 专利标题： Multi-block copolymer composition obtained by modification treatment, and film
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申请号： US16642897申请日： 2018-08-23
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公开(公告)号： US11492452B2公开(公告)日： 2022-11-08
- 发明人: Kousuke Isobe , Sadaharu Hashimoto , Atsushi Nozawa , Atsushi Noro , Takato Kajita , Yushu Matsushita
- 申请人： ZEON CORPORATION , NATIONAL UNIVERSITY CORPORATION NAGOYA UNIVERSITY
- 申请人地址： JP Tokyo; JP Nagoya
- 专利权人： ZEON CORPORATION,NATIONAL UNIVERSITY CORPORATION NAGOYA UNIVERSITY
- 当前专利权人： ZEON CORPORATION,NATIONAL UNIVERSITY CORPORATION NAGOYA UNIVERSITY
- 当前专利权人地址： JP Tokyo; JP Nagoya
- 代理机构： Kenja IP Law PC
- 优先权： JPJP2017-167040 20170831
- 国际申请： PCT/JP2018/031200 WO 20180823
- 国际公布： WO2019/044660 WO 20190307
- 主分类号： C08F297/04
- IPC分类号： C08F297/04 ; C08J5/18 ; C08F297/08
摘要：
A main purpose of the present invention is to provide a multi-block copolymer composition having good elasticity and excellent stress relaxation properties, as well as small tension set. The present invention achieves the purpose by providing a multi-block copolymer composition obtained by a modification treatment, the composition including a block copolymer B formed by introducing a functional group capable of forming a non-covalent bond to a block copolymer A; wherein the block copolymer A includes a block copolymer A1 having a specific primary structure and a block copolymer A2 having a specific primary structure, and the mass ratio (A1/A2) of the block copolymer A1 and the block copolymer A2 is 100/0 to 50/50.