Abstract:
Polyvinylchloride or chlorinated polyvinylchloride polymer article reinforced with glass fibers coated with vinyl chloridevinyl trialkoxysilane copolymers in an amount effective to increase the strength characteristics of the article. The copolymer can include at least one of carboxylic acid vinyl esters, unsaturated mono- or dicarboxylic acid esters, and alkyl vinyl ethers.