Urea-terminated polyurethane dispersants
The present invention relates to urea-terminated polyurethanes dispersants based on diols and polyether diols, 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. The urea termination can have nonionic hydrophilic substituents.
E I DU PONT DE NEMOURS AND COMPANY
C C C C C C C C
C09D C08G C08G C08G C08G C09D C08G C08G
inventional inventional inventional inventional inventional inventional inventional inventional
C. Chad Xiaoqing Patrick F. Michael Stephen Hari Babu
Roberts Li McIntyre Wolfe Sunkara