Glass size compositions and glass fibers coated therewith
AssigneeOwens-Corning Fiberglas Corporation
InventorsDonald B. Sage, Fred G. Krautz
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Abstract
A size composition for glass fibers, and glass fibers coated therewith, is disclosed. The size comprises an unsaturated, water-emulsifiable polyester resin, an ethylene-vinyl acetate copolymer emulsion and a polyvinyl acetate-organo silane copolymer, the size being suitable for application to fiberglass roving employed to reinforce sheet and bulk molding compounds.
Claims9
An aqueous glass size composition comprising an unsaturated, water-emulsifiable polyester resin, an ethylene-vinyl acetate copolymer and a vinyl acetate-organosilane copolymer having from about 1 to about 7 weight percent of said organosilane.
Dependencies are inferred from the claim text.