Inventors:
Patrick McIntyre - West Chester PA, US
Karyn Visscher - Voorhees NJ, US
Michael Diebold - Wilmington DE, US
Brian Sullivan - Wilmington DE, US
International Classification:
C09C001/36
Abstract:
This invention relates to a process for preparing conditioned titanium dioxide pigments comprising (a) during pigment manufacture, admixing the following components to form a conditioned pigment:(1) a crude titanium dioxide pigment material; (2) at least about 0.1% by weight, relative to the inorganic pigment, of one or more copolymer dispersants; and(3) an optional processing liquid (preferably water); and, (b) isolating the conditioned pigment as dry powder.