C - Chemistry – Metallurgy – 09 – D
Patent
C - Chemistry, Metallurgy
09
D
117/142, 400/420
C09D 175/04 (2006.01) B05D 1/38 (2006.01) B05D 7/16 (2006.01) C08G 18/08 (2006.01) C09D 5/44 (2006.01) C09D 161/20 (2006.01) C09D 167/00 (2006.01)
Patent
CA 1336302
The invention relates to water-thinnable baking paints, the use thereof as filler material and inter- mediate stone chip resistant coat as well as a process for painting motor vehicle bodies. The water-thinnable baking paints comprise as binders a combination of (I) 20 to 70% by weight of a water-thinnable polyure- thane resin with an acid value of 15 to 35, (II) 20 to 70% by weight of an epoxy resin-modified water-thinnable polyester which can be prepared by reacting a polyester (A) with a molecular weight (number average) below 2000, an acid value of 35 - 240 and a hydroxyl value of 56 - 320, with 0.3 to 1.5 equivalents per polyester mole- cule of an epoxy resin (B) having an epoxide equivalent weight of 170 to 1000, based on a bisphenol, and/or with a derivative of this epoxy resin (C) containing at least one epoxide group per molecule under reaction conditions where essentially only carboxyl groups react with epoxide groups, and (III) 0 to 20% by weight of a water-thinnable amino- plast resin, the sum of the components (I) to (III) being always 100% by weight.
597415
Hille Hans-Dieter
Muller Bodo
Schmidt Winfried
Weidemeier Klaus
Basf Lacke + Farben Aktiengesellschaft
Fetherstonhaugh & Co.
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