公开(公告)号：US12043702B2

公开(公告)日：2024-07-23

申请号：US17713876

申请日：2022-04-05

Applicant: JSR CORPORATION

Inventor： Ryouyuu Hifumi ,  Toshiaki Kadota ,  Nobuyuki Miyaki ,  Shintarou Fujitomi ,  Yasutaka Yoshida ,  Ryouji Tatara

IPC: C08G73/02 ,  B32B27/00 ,  C08G65/40 ,  C08K5/00 ,  C08L63/00 ,  C08L71/00 ,  C08L71/10 ,  C08L79/02 ,  C08L79/04 ,  C09D163/00 ,  C09D171/00 ,  C09D179/02

CPC classification number: C08G73/0273 ,  B32B27/00 ,  C08G65/40 ,  C08G65/4081 ,  C08G73/02 ,  C08K5/00 ,  C08L63/00 ,  C08L71/00 ,  C08L71/10 ,  C08L79/02 ,  C08L79/04 ,  C09D163/00 ,  C09D171/00 ,  C09D179/02

Abstract: A novel polymer having high glass transition temperature and an excellent balance between heat resistance, high refractive index and mechanical properties, and a composition and molded article containing the polymer are provided. The polymer according to the invention has a first structural unit represented by at least one of formulae (1-1), (1-2) and (1-3) below and a second structural unit having either a secondary amino structure or a tertiary amino structure at two or more terminals.

公开(公告)号：US20190055357A1

公开(公告)日：2019-02-21

申请号：US16165526

申请日：2018-10-19

Applicant: JSR Corporation

Inventor： Ryouyuu HIFUMI ,  Toshiaki Kadota ,  Nobuyuki Miyaki ,  Shintarou Fujitomi ,  Yasutaka Yoshida ,  Ryouji Tatara

IPC: C08G73/02 ,  C08G65/40 ,  C08L63/00 ,  C08L71/00 ,  C08L79/02 ,  C09D163/00 ,  C09D171/00 ,  C09D179/02

Abstract: A novel polymer having high glass transition temperature and an excellent balance between heat resistance, high refractive index and mechanical properties, and a composition and molded article containing the polymer are provided. The polymer according to the invention has a first structural unit represented by at least one of formulae (1-1), (1-2) and (1-3) below and a second structural unit having either a secondary amino structure or a tertiary amino structure at two or more terminals.

公开(公告)号：US11505651B2

公开(公告)日：2022-11-22

申请号：US16165526

申请日：2018-10-19

Applicant: JSR Corporation

Inventor： Ryouyuu Hifumi ,  Toshiaki Kadota ,  Nobuyuki Miyaki ,  Shintarou Fujitomi ,  Yasutaka Yoshida ,  Ryouji Tatara

IPC: C08G73/02 ,  C08L79/02 ,  C08K5/00 ,  C08G65/40 ,  C08L71/10 ,  B32B27/00 ,  C08L79/04 ,  C08L63/00 ,  C08L71/00 ,  C09D163/00 ,  C09D171/00 ,  C09D179/02

Abstract: A novel polymer having high glass transition temperature and an excellent balance between heat resistance, high refractive index and mechanical properties, and a composition and molded article containing the polymer are provided. The polymer according to the invention has a first structural unit represented by at least one of formulae (1-1), (1-2) and (1-3) below and a second structural unit having either a secondary amino structure or a tertiary amino structure at two or more terminals.