Vito ALANZO,Gabriele COSTA,Dario CONTI,Giuseppe LI BASSI
申请号:
US15242004
公开号:
US20160355632A1
申请日:
2016.08.19
申请国别(地区):
US
年份:
2016
代理人:
摘要:
Stable aqueous dispersions of film-forming cationic polyurethanes are prepared by extending with water a cationic prepolymer obtained from aliphatic diisocyanates, aliphatic tertiary amines having two hydroxyl groups that react with —NCO groups, linear polyols and methanesulfonic acid.