Title:
POLYIMIDE FILM FOR GRAPHITE SHEET, GRAPHITE SHEET, AND PRODUCTION METHODS THEREFOR
Document Type and Number:
WIPO Patent Application WO/2023/162644
Kind Code:
A1
Abstract:
The present invention addresses the problem of providing a polyimide film capable of providing a high-density graphite sheet with good productivity. This problem is solved by a polyimide film for a graphite sheet, said polyimide film having a dianhydride component and a diamine component as starting materials. The polyimide film for a graphite sheet has a total BTDA, ODPA, and BAPP content of 1-50 mol% with respect to a total of 200 mol% of the dianhydride component and the diamine component, and contains inorganic particles having a specific average particle size.
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Inventors:
KOBAYASHI MOTOAKI (JP)
INABA KEISUKE (JP)
MATSUTANI TERUO (JP)
INABA KEISUKE (JP)
MATSUTANI TERUO (JP)
Application Number:
PCT/JP2023/003691
Publication Date:
August 31, 2023
Filing Date:
February 06, 2023
Export Citation:
Assignee:
KANEKA CORP (JP)
International Classes:
C08L79/08; C01B32/205; C08G73/10; C08K3/013
Domestic Patent References:
| WO2023008033A1 | 2023-02-02 |
Foreign References:
| JP2009021350A | 2009-01-29 | |||
| CN106366334A | 2017-02-01 | |||
| CN106750434A | 2017-05-31 | |||
| CN110885466A | 2020-03-17 | |||
| JPH11349898A | 1999-12-21 | |||
| JP2014040003A | 2014-03-06 | |||
| JP2017043668A | 2017-03-02 |
Attorney, Agent or Firm:
HARAKENZO WORLD PATENT & TRADEMARK (JP)
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