Title:
POLYIMIDE, POLYIMIDE PRECURSOR, COMPOSITION, AND PRODUCTION METHOD FOR POLYIMIDE
Document Type and Number:
WIPO Patent Application WO/2023/054221
Kind Code:
A1
Abstract:
Provided are a polyimide including a repeating unit represented by formula (1-1), a polyimide precursor for obtaining the polyimide, a composition including the polyimide, and a production method for the polyimide. In formula (1-1), RA1 represents a tetravalent organic group, LA2 represents an n+m+1-valent linking group, each RA2 independently represents a group including a poly(alkyleneoxy) group and an urethane bond, n represents an integer not less than 1, m represents an integer not less than 1, and * represents a bond site with another structure.
Inventors:
AOSHIMA TOSHIHIDE (JP)
Application Number:
PCT/JP2022/035570
Publication Date:
April 06, 2023
Filing Date:
September 26, 2022
Export Citation:
Assignee:
FUJIFILM CORP (JP)
International Classes:
C08G73/10; C08G18/00; C08G18/34; C08G18/71
Domestic Patent References:
| WO2020255859A1 | 2020-12-24 |
Foreign References:
| JP2020100719A | 2020-07-02 | |||
| JP2002265599A | 2002-09-18 | |||
| JP2010077382A | 2010-04-08 | |||
| JPH01240521A | 1989-09-26 | |||
| JP2014177642A | 2014-09-25 | |||
| JP2019014851A | 2019-01-31 |
Attorney, Agent or Firm:
SIKS & CO. (JP)
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