Title:
POLYHYDRIC HYDROXY RESIN, EPOXY RESIN, AND METHODS FOR PRODUCING THOSE, AND EPOXY RESIN COMPOSITION AND CURED PRODUCT THEREOF
Document Type and Number:
WIPO Patent Application WO/2023/100572
Kind Code:
A1
Abstract:
Provided are an epoxy resin composition that exhibits excellent low dielectric characteristics, a polyhydric hydroxy resin and/or an epoxy resin that provides the epoxy resin composition, and a method for producing those. The polyhydric hydroxy resin is characterized by being represented by general formula (1). Each R21 independently represents a hydrogen atom, a dicyclopentenyl group represented by formula (2a) or formula (2b), a group represented by formula (3a), or a group represented by formula (3b).
Inventors:
KANEMITSU SHINGO (JP)
SOH MASAHIRO (JP)
YU KIHWAN (KR)
LIM CHEONGRAE (KR)
YOUN HAERRY (KR)
JEE JOONGHWI (KR)
SOH MASAHIRO (JP)
YU KIHWAN (KR)
LIM CHEONGRAE (KR)
YOUN HAERRY (KR)
JEE JOONGHWI (KR)
Application Number:
PCT/JP2022/040682
Publication Date:
June 08, 2023
Filing Date:
October 31, 2022
Export Citation:
Assignee:
NIPPON STEEL CHEMICAL & MAT CO LTD (JP)
KUKDO CHEMICAL CO LTD (KR)
KUKDO CHEMICAL CO LTD (KR)
International Classes:
C08G61/02; B32B27/38; C08G59/06; C08G59/32; C08G59/62; C08J5/24
Domestic Patent References:
| WO2022124252A1 | 2022-06-16 |
Foreign References:
| JP2016069524A | 2016-05-09 | |||
| CN103665331A | 2014-03-26 | |||
| JPH06116345A | 1994-04-26 |
Attorney, Agent or Firm:
SASAKI Kazuya et al. (JP)
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