C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
117/113, 402/234
C08G 69/26 (2006.01) B05D 3/02 (2006.01) C08K 5/20 (2006.01) C08L 77/06 (2006.01) C09D 127/06 (2006.01) C09J 127/06 (2006.01)
Patent
CA 2007328
ABSTRACT OF THE DISCLOSURE The present invention provides a new and novel vinyl chloride polymer coating material which can be top- coated with acid-catalyzed coating compositions at low curing temperatures without compromising the adhesion of the coating to the metal substrate and without inhibiting the cure of subsequently applied coating. In accordance with the present invention, a new plastisol coating composition comprises a finely-divided vinyl chloride polymer together with a plasticizer and from about 0.5 to about 5 percent by weight of a composition of an adhesion promoter which is a non-gelled condensation product of a) a polymerized fatty acid; and b) a mixture of amines being present in a concentration to produce a final amine value that ranges up to about 225, said mixture being comprised of a polyalkylene polyamine and an N-aminoalkylpiperazine. In addition, the present invention provides a new and improved adhesion promoter for use in the aforesaid vinyl chloride polymer coating composition. This adhesion promoter is comprised of the condensation product of a polymeric fatty acid and an amine mixture of a polyalkylene polyamine and an N-aminoalkylpiperazine.
Mcfadden Fincham
Shell Oil Company
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