Method of improving the adhesion of polyurethane to vinyl...

Details Method of improving the adhesion of polyurethane to vinyl... Method of improving the adhesion of polyurethane to vinyl...

B - Operations, Transporting

05

D

117/90.1, 204/91

B05D 3/10 (2006.01) B32B 27/08 (2006.01) D06N 7/00 (2006.01)

Patent

CA 1125109

METHOD OF IMPROVING THE ADHESION OF POLYURETHANE TO VINYL RESINS Abstract A method of improving the bond between a vinyl resin material and a polyurethane or acrylated polyurethane resin material which comprises coating a fused vinyl resinous layer with an aqueous acetic acid solution, drying the aqueous coating, applying an uncured polyurethane or acrylated polyurethane layer to the coated surface of the vinyl resin material and exposing the vinyl resinous composition layer and the uncured polyurethane or acrylated polyurethane resin layer to curing conditions to develop a strong and permanent bond between the two layers.

351726

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