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-solubilising side chains of a polyester or polyether including mixtures of such side chains.
Dispersants From Linear Polyurethanes
申请人:Shooter Andrew J.
公开号:US20110054075A1
公开(公告)日:2011-03-03
The present invention provides a non-aqueous composition containing a particulate solid, an organic medium and polyurethane dispersant with a substantially linear anchoring segment pendant tertiary amine group(s) from said anchoring segment and terminally attached solvent-solubilising terminal chains of a polyester, polyether, or polyacrylate including mixtures of such terminal chains.