Title:
POLYIMIDE PRECURSOR, POLYIMIDE, AND FLEXIBLE SUBSTRATE
Document Type and Number:
WIPO Patent Application WO/2022/101984
Kind Code:
A1
Abstract:
Provided are: a polyimide precursor which is obtained by reacting a diamine with a tetracarboxylic acid dianhydride, contains 5-80 mol% of dimer diamine with respect to a diamine component contained in the polyimide precursor, and has a weight average molecular weight of 15,000-130,000; a polyimide obtained by curing the polyimide precursor; and a resin composition including the polyimide precursor.
More Like This:
Inventors:
MAENO TOMOAKI (JP)
KAWABATA YASUNORI (JP)
KAWABATA YASUNORI (JP)
Application Number:
PCT/JP2020/041929
Publication Date:
May 19, 2022
Filing Date:
November 10, 2020
Export Citation:
Assignee:
SHOWA DENKO MATERIALS CO LTD (JP)
International Classes:
C08G73/10
Foreign References:
JP2016188298A | 2016-11-04 | |||
JP2015526561A | 2015-09-10 | |||
JP2010256532A | 2010-11-11 | |||
JP2013155329A | 2013-08-15 | |||
JP2013112735A | 2013-06-10 | |||
JP2018140544A | 2018-09-13 |
Attorney, Agent or Firm:
MIYOSHI Hidekazu et al. (JP)
Download PDF: