Acidic adhesion promoters for PVC plastisols

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...

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Details

523400, 523455, 525114, C08L 2706, C08L 6300, C08K 520, C08K 53415

Patent

active

049593994

ABSTRACT:
Poly(vinyl chloride) plastisol compositions modified with epoxy and acid anhydrides can be painted wet-on-wet with acid catalyzed, high solids enamel paints, followed by curing at 120.degree. C. or lower, to give strongly adherent products on electrodeposition coatings and dry, tack-free painted surface. The compositions are also stabilized by the addition of an imide, which provides storage stability at 40.degree. C. for more than three days.

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