| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide polyurethane dispersants; and to provide dispersions, millbases, paints and inks containing a particulate solid dispersed in a non-aqueous organic medium, particularly a polar organic medium, including inks for use in non-contact printing processes such as "Drop-on-demand" printing process. <P>SOLUTION: The present invention provides a non-aqueous composition containing a particulate solid, an organic medium and a polyurethane dispersant having laterally attached pendant groups with tertiary amine group(s), an essentially linear backbone and laterally attached solvent-solubilizing side chains of a polyester or polyether including mixtures of such side chains. <P>COPYRIGHT: (C)2013,JPO&INPIT |
