BARDMAN, James Keith,DEROCHER, Jonathan,HEJL, Andrew,VANDYK, Anthony K.,WANG, Lin,YEUNG, Kimy
申请号:
WO2018US19680
公开号:
WO2018186946(A1)
申请日:
2018.02.26
申请国别(地区):
世界知识产权组织国际局
年份:
2018
代理人:
摘要:
The present invention relates to an aqueous dispersion of neutralized multistage polymer particles comprising an alkali metal base or a high boiling point amine salt of a carboxylic acid functionalized first stage, and a low Tg second stage (shell). The dispersion is useful as an open time additive.