Coating slips

Details Coating slips Coating slips

D - Textiles, Paper

21

H

400/6411

D21H 19/56 (2006.01) D21H 19/60 (2006.01)

Patent

CA 1296827

168.169-Canada ABSTRACT OF THE DISCLOSURE In a coating slip for coating flat surfaces com- prising an aqueous dispersion of a pigment, a dispersing agent and a binder, the improvement comprising using a cobinder polymer con- taining a large degree of hydroxyl groups comprising (a) 50 to 95% by weight of vinyl alcohol units, (b) 5 to 50% by weight of 1-alkylvinyl alcohol units of 1 to 4 alkyl carbon atoms, (c) 0 to 20% by weight of vinyl acylate units, (d) 0 to 20% by weight of allyl alcohol units and (e) 0 to 5% by weight of other polymerizable monomers having improved pigment shock behavior and very good activity as an optical brightener support.

538966

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