Title:
NOVEL DIAMINE, POLYAMIC ACID, AND POLYIMIDE
Document Type and Number:
Japanese Patent JP2021001207
Kind Code:
A
Abstract:
To provide a novel diamine, and a polyimide precursor and a polyimide using the same.SOLUTION: This invention relates to a diamine represented by formula (1), where, X1 and X5 independently represent a single bond or the like; X2 and X4 independently represent -CH2- or the like; X3 is a C1-6 alkylene or the like; Y1 and Y2 independently represent a single bond or the like; R is a C1-20 linear, branched, or cyclic hydrocarbon group; a is 0 or 1).SELECTED DRAWING: None
Inventors:
NAGAO MASATO
KONDO MITSUMASA
NAGAI KENTARO
KONDO MITSUMASA
NAGAI KENTARO
Application Number:
JP2020157604A
Publication Date:
January 07, 2021
Filing Date:
September 18, 2020
Export Citation:
Assignee:
NISSAN CHEMICAL CORP
International Classes:
C07C271/20; C08G73/10
Domestic Patent References:
| JP2011076009A | 2011-04-14 | |||
| JP2012193167A | 2012-10-11 | |||
| JP2019073549A | 2019-05-16 |
Foreign References:
| WO2010050523A1 | 2010-05-06 |
Attorney, Agent or Firm:
Kenji Izumina
Toshiharu Ogawa
Toshiharu Ogawa