| 发明名称 |
POLYIMIDE SEAMLESS BELT AND PROCESS FOR PRODUCTION THEREOF, AND POLYIMIDE PRECURSOR SOLUTION COMPOSITION |
| 摘要 |
The present invention relates to a seamless belt formed of a polyimide comprising a repeating unit represented by the formula (1):
wherein
25 mol% to 95 mol% of A is a tetravalent unit represented by the formula (2):
75 mol% to 5 mol% of A is a tetravalent unit represented by the formula (3):
15 mol% to 95 mol% of B is a divalent unit represented by the formula (4):
and 85 mol% to 5 mol% of B is a divalent unit represented by the formula (5): |
| 申请公布号 |
KR20140031184(A) |
申请公布日期 |
2014.03.12 |
| 申请号 |
KR20137018130 |
申请日期 |
2011.12.14 |
| 申请人 |
UBE INDUSTRIES, LTD. |
发明人 |
NAKAYAMA TAKESHIGE;NAKAYAMA TOMONORI;KAWABATA AKIRA;TAKASAKI SUSUMU;HIROSHIGE KENSUKE |
| 分类号 |
C08G73/10;C08L79/08;G03G15/00;G03G15/16;G03G15/20 |
主分类号 |
C08G73/10 |
| 代理机构 |
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代理人 |
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