C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
400/5752, 400/65
C08L 33/06 (2006.01) B05D 7/16 (2006.01) C08F 265/06 (2006.01) C08F 283/02 (2006.01) C09D 133/06 (2006.01) C09D 151/00 (2006.01)
Patent
CA 2014678
Abstract 1. Hydroxyl group-containing binders in the form of a non-aqueous dispersion. 2.1 Binders hitherto obtainable are difficult to stabilize in the form of dispersions. The new non-aqueous binder dispersion should have improved resistance to solvents and be reliably and economically produced. 2.2 The dispersion described is a non-aqueous, hydroxyl group- containing dispersion suitable for use as binder and containing, in addition to organic solvents, A) from 15-85% by weight of film-forming, dissolved, hydroxyl group- and carboxyl-group containing polyesters, (meth)acrylic copolymers or mixtures thereof in which up to half the molecules may be esterified with 1 molecule of maleic acid each, and B) from 15-85% by weight of a disperse phase of uncross-linked (meth)acrylic copolymers having a hydroxyl number of at least 300, obtainable by the radical polymerisation of a) from 80-100% by weight of hydroxyalkyl (meth)acryl- ates and b) from o-20% by weight of other .alpha.,.beta.-monounsaturated monomers in the film-forming, dissolved component A) provided. 2.3 Preparation of heat curable, multilayered coatings having a base lacquer and clear lacquer layer.
Bederke Klaus
Dahm Ralf
Herrmann Friedrich
Kerber Hermann
Vosse Horst
Herberts Gesellschaft Mit Beschrankterltaftung
Kirby Eades Gale Baker
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