Title:
ポリイミド前駆体及びポリイミド
Document Type and Number:
Japanese Patent JP6431369
Kind Code:
B2
Abstract:
A polyimide precursor including at least one repeating unit represented by the following chemical formula (1): in which A is an arylene group; and X1 and X2 are each independently hydrogen, an alkyl group having 1 to 6 carbon atoms, or an alkylsilyl group having 3 to 9 carbon atoms, and a polyimide obtained from the polyimide precursor has a coefficient of linear thermal expansion from 50° C. to 400° C. of 100 ppm/K or less.
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Inventors:
Takuya Oka
Yukinori Obama
Yoshiyuki Watanabe
Shinji Kuno
Yukinori Obama
Yoshiyuki Watanabe
Shinji Kuno
Application Number:
JP2014518309A
Publication Date:
November 28, 2018
Filing Date:
March 15, 2013
Export Citation:
Assignee:
Ube Industries,Ltd.
International Classes:
C08G73/10; C08J5/18
Domestic Patent References:
| JP200967859A | ||||
| JP11282157A | ||||
| JP201121072A |
Foreign References:
| WO2011099518A1 | ||||
| WO2013021942A1 |
Attorney, Agent or Firm:
Katsuhiro Ito
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