Adhesion and paintability improvements in PVC plastisols at low

Details Adhesion and paintability improvements in PVC plastisols at low Adhesion and paintability improvements in PVC plastisols at low

1990-08-21

1991-06-04

Schofer, Joseph L.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

524178, 524567, 524569, 525180, C08K 834, C08F 530

Patent

active

050214829

ABSTRACT:
The present invention provides a new 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

REFERENCES:
patent: 4146520 (1979-03-01), Bierwirth et al.
patent: 4533524 (1985-08-01), Burba et al.
patent: 4652327 (1987-03-01), Hayes et al.
patent: 4673710 (1987-06-01), Burba et al.
patent: 4717746 (1988-01-01), Leoni et al.

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