| 摘要 |
An aqueous sizing for reinforced glass fibers provides improved processing properties, shear strength and compatibility with phenolic resin reinforcers. The coated, reinforced glass fibers are useful in filament winding and pultrusion wherein the coating is an aqueous sizing comprising a ureido-modified amino silane coupling agent and a polyvinyl pyrrolidone film-former. The sizing is free of epichlorohydrin-polyamide reaction products and vinyl aromatic monomer-maleic anhydride copolymers. |
