Title:
POLYIMIDE SOLUTION AND POLYIMIDE
Document Type and Number:
WIPO Patent Application WO/2020/255890
Kind Code:
A1
Abstract:
Provided are: a polyimide having a small yellow index and excellent heat resistance; and a polyimide solution containing said polyimide. The polyimide is a mixture of a polyimide (I) including a specific repeating unit represented by formula (1) and a polyimide (II) including a specific repeating unit represented by formula (2), the content of the polyimide (I) is 5-95 mass%, and the content of the polyimide (II) is 95-5 mass%.
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Inventors:
KOBAYASHI MASANORI (JP)
Application Number:
PCT/JP2020/023265
Publication Date:
December 24, 2020
Filing Date:
June 12, 2020
Export Citation:
Assignee:
JFE CHEMICAL CORP (JP)
International Classes:
C08G73/10; C08L79/08
Domestic Patent References:
| WO2016088641A1 | 2016-06-09 | |||
| WO2017022636A1 | 2017-02-09 | |||
| WO2019069723A1 | 2019-04-11 |
Foreign References:
| JP2015516031A | 2015-06-04 | |||
| JPS6010533B2 | 1985-03-18 |
Attorney, Agent or Firm:
ITOH Hideaki et al. (JP)
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