C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
402/141, 117/147
C08G 18/10 (2006.01) B05D 5/06 (2006.01) B05D 7/00 (2006.01) C08G 18/32 (2006.01) C08G 18/38 (2006.01) C09D 175/00 (2006.01)
Patent
CA 1334038
The invention relates to coating compositions which are particularly suitable for the preparation of the basecoat for two-coat coatings of the basecoat/clearcoat type, and which comprise organic diluents, at least one resin con- taining urethane and urea groups, and, where appropriate, other resins, pigments and other conventional additives in common use. The coating compositions according to the invention are those which comprise at least one resin con- taining urethane and urea groups, which resin is obtain- able by reacting a1) a compound having two hydroxyl groups reactive toward isocyanate groups, with a2) an aliphatic and/or cycloaliphatic di-isocyanate to form a prepolymer (A) containing isocyanate groups, and by subsequently reacting the isocyanate groups of the prepolymer (A), at least in part, with a3) an adduct produced from a (meth)acrylic ester, pref- erably an acrylic ester, and an aliphatic or cyclo- aliphatic compound containing at least two aminic hydrogen atoms, the adduct containing at least one active aminic hydrogen atom.
573675
Dobbelstein Arnold
Grosch Horst
Hille Hans-Dieter
Basf Lacke + Farben Aktiengesellschaft
Fetherstonhaugh & Co.
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