申请人:ROHM AND HAAS COMPANY
公开号:US20140194566A1
公开(公告)日:2014-07-10
The present invention relates to a composition comprising an amphoteric polymer having pendant acid groups, or salts thereof, and pendant mono- or dialkylamino ethylene oxide groups or alkylammonium ethylene oxide groups characterized by either of the following formulas:
where R
1
-R
3
and X
−
are as defined herein. The composition of the present invention improves hiding efficiency for coating compositions formulated using associative rheology modifiers, binders, and titanium dioxide.