| abstract |
In a preferred embodiment, a polyvinyl chloride surface attached through an intermediate thermoplastic to a thermosetting resin, accomplished by a preferred process in which solvated acrylonitrile butadiene styrene copolymer in a methyl ethyl ketone solvent is sufficiently applied to a polyvinyl chloride surface to solvate the surface and to form a surface solution of the polyvinyl chloride and the acrylonitrile butadiene styrene copolymer, drying the surface solution, placing a substantially uncured liquid epoxy resin in contact with the dried surface solution and/or coating of the solvated acrylonitrile butadiene styrene, and curing sufficiently to form a bond between said copolymer and said epoxy resin. Preferably, the epoxy resin is carried on glass fibers, i.e., glass fibers impregnated with the resin, and preferably the polyvinyl chloride surface is cylindrical in shape, in the form of a pipe. Accordingly, a preferred product is a glass fiber-reinforced polyvinyl chloride pipe. |