Title:
LOW-THERMAL-EXPANSION BLOCK POLYIMIDE, PRECURSOR THEREOF, AND USE THEREOF
Document Type and Number:
WIPO Patent Application WO/2010/113412
Kind Code:
A1
Abstract:
Provided is a low-cost polyimide, containing cyclohexane diamine as a diamine unit, that has a low thermal expansion coefficient. Said block polyimide contains blocks having the repeating structural unit shown in formula (1A) and blocks having the repeating structural unit shown in formula (1B). This block polyimide is preferably obtained by imidizing a block polyamide acid imide that contains blocks having the repeating structural unit shown in formula (2A) and blocks having the repeating structural unit shown in formula (2B).
Inventors:
FUKUKAWA KENICHI
URAKAMI TATSUHIRO
SAKATA YOSHIHIRO
YAMASHITA WATARU
OKAZAKI MASAKI
URAKAMI TATSUHIRO
SAKATA YOSHIHIRO
YAMASHITA WATARU
OKAZAKI MASAKI
Application Number:
PCT/JP2010/001958
Publication Date:
October 07, 2010
Filing Date:
March 18, 2010
Export Citation:
Assignee:
MITSUI CHEMICALS INC (JP)
FUKUKAWA KENICHI
URAKAMI TATSUHIRO
SAKATA YOSHIHIRO
YAMASHITA WATARU
OKAZAKI MASAKI
FUKUKAWA KENICHI
URAKAMI TATSUHIRO
SAKATA YOSHIHIRO
YAMASHITA WATARU
OKAZAKI MASAKI
International Classes:
B32B15/088; C08G73/10
Foreign References:
| JPH08208835A | 1996-08-13 | |||
| JPH09176315A | 1997-07-08 | |||
| JP2002167433A | 2002-06-11 | |||
| JP2008169237A | 2008-07-24 | |||
| JP2008168439A | 2008-07-24 | |||
| JP2002161136A | 2002-06-04 | |||
| JP2002234961A | 2002-08-23 | |||
| JP2007084818A | 2007-04-05 | |||
| JP2006070096A | 2006-03-16 | |||
| JP2010018802A | 2010-01-28 |
Attorney, Agent or Firm:
WASHIDA, KIMIHITO (JP)
Koichi Washida (JP)
Koichi Washida (JP)
Download PDF: