C - Chemistry – Metallurgy – 09 – D
Patent
C - Chemistry, Metallurgy
09
D
C09D 133/04 (2006.01) B05D 1/36 (2006.01) C09D 161/28 (2006.01) C09D 175/04 (2006.01) C23C 2/02 (2006.01) C23C 2/04 (2006.01)
Patent
CA 2746530
Disclosed herein is a method to apply waterborne primer, basecoat and clearcoat compositions in a wet-on-wet manner followed by the curing of all three applied compositions to form a durable protective coating on a substrate. The primer composition comprises (meth)acrylic latex, polyurethane resin, melamine and, optionally, polyesters.
L'invention porte sur un procédé permettant l'application de compositions de primaire, de couche de fond et de couche transparente à base aqueuse au mouillé-sur-mouillé, suivie par le durcissement de l'ensemble des trois compositions appliquées pour former un revêtement protecteur durable sur un substrat. La composition de primaire comprend du latex (méth)acrylique, une résine de polyuréthane, de la mélamine et, facultativement, des polyesters.
Gebregiorgis Taddesse
Paquet Donald Albert Jr.
E. I. Du Pont de Nemours And Company
Torys Llp
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