POLYHYDRIC PHENOLIC RESIN, AS WELL AS RESIN COMPOSITION, CURED PRODUCT THEREOF, AND USE THEREOF

Title:

POLYHYDRIC PHENOLIC RESIN, AS WELL AS RESIN COMPOSITION, CURED PRODUCT THEREOF, AND USE THEREOF

Document Type and Number:

WIPO Patent Application WO/2023/157590

Kind Code:

A1

Abstract:

Provided is a novel polyhydric phenolic resin that provides a cured product having excellent toughness. The polyhydric phenolic resin (X) contains a polydiene skeleton, and is characterized by containing a structural unit represented by formula (1). (In formula (1), Rp1 and Rp3 each independently represent a hydrogen atom, a methyl group, or an ethyl group, Rp2 represents a hydrogen atom, a methyl group, or a bond, one of X1 and X2 represents a hydroxy group while the other represents a monovalent group represented by formula (2), and * represents a bond. The C-C bond structure in formula (1) is a portion of the polydiene skeleton. In formula (2), each RS independently represents a substituent, * represents a bond, and n represents a number from 0 to 4.)

More Like This:

WO/2013/003682

INK AND COATING COMPOSITIONS FOR PACKAGING APPLICATIONS INCLUDING FUNCTIONALIZED HOMOPOLYMERS OR COPOLYMERS OF VINYL ALCOHOLS

Inventors:

OGURA ICHIRO (JP)
SATO NAOYA (JP)

Application Number:

PCT/JP2023/002255

Publication Date:

August 24, 2023

Filing Date:

January 25, 2023

Export Citation:

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Assignee:

AJINOMOTO KK (JP)

International Classes:

C08F8/00; C08C19/20; C08G59/02; C08G59/40; C08J5/24; H01L23/29; H01L23/31

Foreign References:

JP2001081240A	2001-03-27
CN113234186A	2021-08-10
JPS60105660A	1985-06-11
JP2021004339A	2021-01-14
JP2013184999A	2013-09-19
JPS60199024A	1985-10-08

Attorney, Agent or Firm:

SAKAI INTERNATIONAL PATENT OFFICE (JP)

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