C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
400/102, 117/147
C08L 75/04 (2006.01)
Patent
CA 1225484
ABSTRACT OF THE DISCLOSURE The present invention relates to a polyurethane coating composition which displays enhanced adhesion when applied as a topcoat over an already existing coating. The composition contains an organic zinc compound in an adhesion-enhancing amount. As a consequence of the enhanced adhesion, a polyurethane topcoat can be applied over an existing polyurethane coating without any special preparation steps other than degreasing.
462043
Cullimore Patricia
Gillard Robert D.
Minnesota Mining And Manufacturing Company
Smart & Biggar
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