Title:
多価カルボン酸およびそれを含有する多価カルボン酸組成物、エポキシ樹脂組成物、それらの硬化物並びに光半導体装置
Document Type and Number:
Japanese Patent JP6767816
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a polycarboxylic acid that is less volatilized at the time of curing and shows excellent quick curability, a cured product of which has excellent transparency and hardness, and a polycarboxylic acid composition containing the same, an epoxy resin composition, and a cured product thereof.SOLUTION: A polycarboxylic acid (A) is represented by formula (1) (Rs independently represent a C1-6 alkylene group; Rs independently represent H or a C1-15 organic group containing a carboxyl group; one or more of Rs is an organic group containing an aromatic ring and a carboxyl group in the structure).SELECTED DRAWING: Figure 1
Inventors:
Naosuke Taniguchi
Miyagawa Naofusa
Masato Yarita
Miyagawa Naofusa
Masato Yarita
Application Number:
JP2016174231A
Publication Date:
October 14, 2020
Filing Date:
September 07, 2016
Export Citation:
Assignee:
NIPPON KAYAKU KABUSHIKI KAISHA
International Classes:
C07D251/34; C08G59/42; H01L23/29; H01L23/31
Domestic Patent References:
| JP1193317A | ||||
| JP51124197A | ||||
| JP2005532447A |
Foreign References:
| WO2016013257A1 |