Organic pigments for using as paper fillers

Details Organic pigments for using as paper fillers Organic pigments for using as paper fillers

C - Chemistry, Metallurgy

08

F

400/2048, 400/30

C08F 271/00 (2006.01) C08F 265/10 (2006.01) C08F 291/12 (2006.01) D21H 17/45 (2006.01) D21H 21/28 (2006.01)

Patent

CA 1134091

ABSTRACT OF THE DISCLOSURE Disclosed are novel organic pigments adapted partic- ularly for use as fillers for paper. The organic pigments are finally divided particles obtained by graft copolymer- izing an ethylenically unsaturated monomer, such as styrene, onto a water-soluble cationic prepolymer in an aqueous solution and in the presence of a free-radical polymerization initiator.

304530

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