Preparation of reinforced resins using glass fibers coated with plasticized vinyl chloride polymers

Claim 1

THE PROCESS FOR PREPATING REINFORCED RESIN LAMINATES COMPRISING THE SEQUENTIAL STEPS OF: (I) UNIFORMLY COATING UNSIZED GLASS FIBER REINFORCING MATERIAL WITH FROM BETWEEN ABOUT 3 TO 15 WEIGHT PERCENT BASED ON THE WEIGHT OF SAID REINFORCING MATERIAL OF A HOMOGENEOUS POLYMERIC BINDER COMPOSED OF (1) BETWEEN ABOUT 50 AND 80 WEIGHT PERCENT OF A VINYL CHLORIDE POLYMER CONTAINING AT LEAST ABOUT 85 WEIGHT PERCENT OF VINYL CHLORIDE IN THE POLYMER MOLECULES, AND (2) COMPLEMENTARILY BETWEEN ABOUT 50 TO 20 WEIGHT PERCENT OF A PLASTICIZER FOR SAID VINYL CHLORIDE POLYMER AND SUBSEQUENTLY FUSING SAID POLYMERIC BINDER TO SAID REINFORCING MATERIAL; (II) IMPREGNATING SAID COATED REINFORCING MATERIAL WITH A POLYMERIZABLE FLUID COMPOSITION COMPRISING FROM 40 TO 60 WEIGHT PERCENT OF VINYL CHLORIDE POLYMER CONTAINING AT LEAST ABOUT 95 WEIGHT PERCENT OF VINYL CHLORIDE IN THE POLYMER MOLECULRS INTIMATELY INCORPORATED WITH FROM 620 WEIGHT PERCENT OF VINYL CHLORIDE MONOMERIC COMPOSITION COMPOSED ESSENTIALLY OF (A) FROM 60 TO 95 WEIGHT PERCENT OF A MONOVINYL AROMATIC HYDROCARBON OF THE BENZENE SERIES CONTAINING FROM 8 TO 10 CARBON ATOMS IN THE MOLECULE, AND (B) AT LEAST 5 WEIGHT PERCENT OF AN UNSATURATED ESTER SELECTED FROM THE GROUP CONSISTING OF (A) FUMARIC ACID ESTERS HAVING THE GENERAL FORMULA;