Title:
NOVEL DIAMINE, POLYAMIC ACID, AND POLYIMIDE
Document Type and Number:
Japanese Patent JP2022103258
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:
JP2022076418A
Publication Date:
July 07, 2022
Filing Date:
May 06, 2022
Export Citation:
Assignee:
NISSAN CHEMICAL CORP
International Classes:
C07C271/20; C07C271/16; C08G73/10
Domestic Patent References:
| JP2011076009A | 2011-04-14 | |||
| JP2012193167A | 2012-10-11 |
Foreign References:
| US2627491A | 1953-02-03 | |||
| WO2011136231A1 | 2011-11-03 |
Attorney, Agent or Firm:
Toshiharu Ogawa
Kenji Izumina
Kenji Izumina
Previous Patent: Data processing device and data processing method
Next Patent: Patterning of high refractive index glass by plasma etching
Next Patent: Patterning of high refractive index glass by plasma etching