Coating processes – Applying superposed diverse coating or coating a coated base – Synthetic resin coating
Patent
1995-03-16
1997-04-08
Dudash, Diana
Coating processes
Applying superposed diverse coating or coating a coated base
Synthetic resin coating
427409, 4273884, B05D 136, B05D 716, B05D 138
Patent
active
056185863
ABSTRACT:
Self-crosslinkable film-forming compositions and a process for preparing multi-layered coated articles coated with a pigmented or colored base coat and a transparent or clear topcoat containing a self-crosslinkable film-forming composition are disclosed. The self-crosslinkable film-forming composition comprises a non-gelled addition polymer which is the free radical initiated reaction product of an N-alkoxymethyl(meth)acrylamide and at least one other ethylenically unsaturated monomer. The topcoat composition may be aqueous based. The transparent topcoat provides a composite coating with improved acid etch resistance and mar resistance, making the composite coating particularly useful as a topcoat for automotive parts.
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Mayo Michael A.
Swarup Shanti
Dudash Diana
PPG Industries Inc.
Stachel Kenneth J.
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