Search International and National Patent Collections

1. (WO2018180443) POLYISOCYANATE CURING AGENT, AQUEOUS COATING COMPOSITION, COATING FILM, AND COATED ARTICLE

Pub. No.:    WO/2018/180443    International Application No.:    PCT/JP2018/009625
Publication Date: Fri Oct 05 01:59:59 CEST 2018 International Filing Date: Wed Mar 14 00:59:59 CET 2018
IPC: C08G 18/10
C08G 18/09
C08G 18/28
C08G 18/40
C09D 5/00
C09D 175/04
Applicants: ASAHI KASEI KABUSHIKI KAISHA
旭化成株式会社
Inventors: TAKENO Kazutaka
竹野 和孝
Title: POLYISOCYANATE CURING AGENT, AQUEOUS COATING COMPOSITION, COATING FILM, AND COATED ARTICLE
Abstract:
Provided are a polyisocyanate curing agent, etc., which comprises as components, a structural unit derived from diisocyanate, a structural unit derived from polyester polyol, and a structural unit derived from polyalkylene glycol alkylether represented by formula (1) (in the formula, R1 is an alkylene group having 1 to 4 carbon atoms, R2 is an alkyl group having 1 to 4 carbon atoms, and the average number of n is 4.0 to 20.0), wherein the content rate of isocyanate groups is 5.0 to 20.0 mass% and the molar ratio of a urethane group derived from the polyalkylene glycol alkylether to a urethane group derived from the polyester polyol is 0.03 to 2.5.