Urea-terminated polyurethane dispersants
The present invention relates to urea terminated polyurethane dispersants based on certain diols which have grafted alkyl, aryl or fluoroalkyl substituents, aqueous dispersions of such polyurethanes, the manufacture of the urea terminated polyurethane dispersions and inks containing pigments and/or disperse dyes dispersed with these urea terminated polyurethane dispersants.
E I du Pont de Nemours and Company
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Patrick F. Tyau-Jeen Xiaoqing
McIntyre Lin Li