C - Chemistry – Metallurgy – 09 – B
Patent
C - Chemistry, Metallurgy
09
B
400/7047, 400/74
C09B 67/20 (2006.01) B01F 17/00 (2006.01) C08G 18/62 (2006.01) C09B 67/46 (2006.01) C09D 17/00 (2006.01)
Patent
CA 1319775
Herberts Gesellschaft mit beschrankter Haftung, Christbusch 25, 5600 WUPPERTAL 2 ABSTRACT A pigment dispersion and its use for the preparation of coating compounds are described. The dispersion contains a pigment, solvent and pigment dispersing agent. The pigment dispersing agent is a copolymer containing OH groups, obtainable by the reaction of: A) 80 to 95% by weight of a copolymer of a) 0?5 to 40% by weight of N,N-di-C1 to 4-alkylamino- C1 to 8-alkyl(meth)acrylamides and/or a mixture of N'N-di-C1 to 4-alkylaminio-C1 to 8-alkyl(meth) acrylates and N- substituted (meth) acrylamides and/or (meth) acrylamide in which the ratio of amino(meth)acrylates to amido(meth)acrylates should be in the range of 1:2 to 2:1, b) 10 to 40% by weight of hydroxy-C2 to 8-alkyl(meth) acrylates and c) 20 to 89?5% by weight of copolymerisable .alpha.,.beta. - olefinically unsaturated compounds with B) 5 to 20% by weight of a polyisocyanate containing unmasked and optionally also masked isocyanate groups as well as biuret, urethane or isocyanurate groups.
541477
Bederke Klaus
Brock Thomas
Kerber Hermann
Rupieper Paul
Herberts Gesellschaft Mit Beschrankter Haftung
Kirby Eades Gale Baker
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