C - Chemistry – Metallurgy – 09 – D
Patent
C - Chemistry, Metallurgy
09
D
C09D 161/28 (2006.01) C08G 18/83 (2006.01) C08K 5/00 (2006.01) C09D 7/12 (2006.01) C09D 163/00 (2006.01) C09D 167/00 (2006.01) C09D 175/06 (2006.01)
Patent
CA 2156956
An improved solvent borne primer composition containing as the binder a polyester, polyester urethane or an epoxy polyester and a monomeric or polymeric alkylated melamine formaldehyde crosslinking agent and containing pigments in a pigment to binder weight ratio of about 10/100 to 200/100; where the improvement is the use of about 0.1 -10% by weight, based on the weight of the binder, of a zircoaluminate coupling agent of the formula Image where R is an organo functional group; wherein the primer provides excellent adhesion to waterborne basecoats that are applied over the primer.
Bennett Jones Llp
E. I. Du Pont de Nemours And Company
LandOfFree
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