Compositions comprising polyether-urethane-urea additives for block resistance and open time

摘要

A composition comprising: (a) a hydrophilic polyurethane comprising polymerized units of: (i) a water-soluble polyol having hydroxyl functionality from two to four and a weight-average molecular weight from 800 to 16,000; and (ii) an aliphatic polyisocyanate having isocyanate functionality from two to six; wherein polymerized ethylene oxide units comprise at least 85 wt% of said hydrophilic polyurethane; and at least one of: (b) a saccharide having at least 5 hydroxyl groups and M