Title:
GRAPHITE FILM AND PROCESS FOR PRODUCING GRAPHITE FILM
Document Type and Number:
WIPO Patent Application WO/2012/026408
Kind Code:
A1
Abstract:
A graphite film which generates little graphite dust can be produced by properly selecting the acid dianhydride and diamine which constitute a polyimide film to be used as the raw material of the graphite film. Specifically, a graphite film which generates little graphite dust can be obtained by selecting (1) an acid dianhydride consisting of PMDA and a diamine consisting of ODA and PDA at an ODA/PDA molar ratio of 100/0 to 80/20, or (2) an acid dianhydride consisting of PMDA and BPDA at a PMDA/BPDA molar ratio of 80/20 to 50/50 and a diamine consisting of ODA and PDA at an ODA/PDA molar ratio of 30/70 to 90/10.
Inventors:
OHTA YUSUKE
INADA TAKASHI
MISHIRO MAKOTO
NISHIKAWA YASUSHI
INADA TAKASHI
MISHIRO MAKOTO
NISHIKAWA YASUSHI
Application Number:
PCT/JP2011/068802
Publication Date:
March 01, 2012
Filing Date:
August 19, 2011
Export Citation:
Assignee:
KANEKA CORP (JP)
OHTA YUSUKE
INADA TAKASHI
MISHIRO MAKOTO
NISHIKAWA YASUSHI
OHTA YUSUKE
INADA TAKASHI
MISHIRO MAKOTO
NISHIKAWA YASUSHI
International Classes:
C01B31/04
Foreign References:
| JP2010042959A | 2010-02-25 | |||
| JP2010215441A | 2010-09-30 |
Attorney, Agent or Firm:
HARAKENZO WORLD PATENT & TRADEMARK (JP)
Patent business corporation Hara [Kenzo] international patent firm (JP)
Patent business corporation Hara [Kenzo] international patent firm (JP)
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Claims: