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1. (WO2018221020) ORGANIC SILICON COMPOUND-MODIFIED COPOLYMER AND URETHANE COMPOSITION INCLUDING SAME

Pub. No.:    WO/2018/221020    International Application No.:    PCT/JP2018/015009
Publication Date: Fri Dec 07 00:59:59 CET 2018 International Filing Date: Wed Apr 11 01:59:59 CEST 2018
IPC: C08F 8/42
C08G 18/69
C08G 77/38
C08G 77/42
C08G 77/50
C08G 81/00
Applicants: SHIN-ETSU CHEMICAL CO., LTD.
信越化学工業株式会社
Inventors: HIROKAMI Munenao
廣神 宗直
ANDO Yuji
安藤 裕司
Title: ORGANIC SILICON COMPOUND-MODIFIED COPOLYMER AND URETHANE COMPOSITION INCLUDING SAME
Abstract:
An organic silicon compound-modified copolymer having structural units represented by formula (1) and formula (2) and having a hydroxyl group at at least one end has excellent compatibility with alcohol compounds and isocyanate compounds and also gives a cured product having excellent water repellency and moisture resistance. (In the formulas, an asterisk * represents a bond to an adjacent structural unit, each R1 independently represents a C1-10 alkyl group or C6-10 aryl group, and n represents an integer of 1 or higher.)