D - Textiles – Paper – 21 – H
Patent
D - Textiles, Paper
21
H
D21H 19/44 (2006.01) D21H 19/48 (2006.01) D21H 19/58 (2006.01)
Patent
CA 2673457
Disclosed are paper coating slips containing a) one or more binders, b) an optional thickener, c) an optional fluorescent or phosphorescent ink, particularly as an optical brightening agent, d) pigments or fillers, and e) additional auxiliary agents, e.g. auxiliary flowing agents or other inks. Said paper coating slips are characterized in that at least 40 percent by weight of the total amount of binders a) are provided in the form of a synthetic, water-soluble, anionic polymer while less than 50 percent by weight of the total amount of binders a) are provided in the form of emulsion polymers.
L'invention concerne des pâtes de couchage de papier renfermant a) un ou plusieurs liants, b) éventuellement un épaississant, c) éventuellement un colorant fluorescent ou phosphorescent, en particulier en tant qu'agent de blanchiment optique, d) des pigments ou des charges, e) d'autres produits auxiliaires, par exemple, des agents d'écoulement ou d'autres colorants, caractérisées en ce qu'elles contiennent, pour au moins 40% en poids de la quantité totale de liants, a) un polymère anionique, synthétique, hydrosoluble (sous la désignation brève de "polymère anionique"), et pour moins de 50% en poids de la quantité totale de liants, a) un polymérisat d'émulsion.
Feuerhake Robert
Haehnle Hans-Joachim
Lawrenz Dirk
Schmidt-Thuemmes Juergen
Basf Se
Robic
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