C - Chemistry – Metallurgy – 08 – J
Patent
C - Chemistry, Metallurgy
08
J
400/1703, 117/19
C08J 5/08 (2006.01) C03C 25/26 (2006.01)
Patent
CA 1187234
Abstract of the Invention Glass fibers reinforced polymeric polymers can be produced with high strength properties such as tensile strength, flexural strength and impact strength by using sized glass fiber strands of the present invention. The sized glass fiber strands have a residue of an aqueous sizing composi- tion comprising: aqueous dispersible, emulsifiable, or solubilizable polyurethane polymer, polyepoxide polymer, polyethylene-containing polymer, and wax, where the weight ratio of the polyethylene containing polymer to the wax is in the range of about 25 to 1 to about 1 to 25, and one or more amino silane coupling agents. In addition to the amino silane coupling agent, the sizing composition may have an epoxy silane coupling agent and/or a lubricant modified silane coupling agent. The wax can be deleted from the composition, when the polyethylene-containing polymer has limited branching The sized glass fiber strands can be produced by conventional forming process or by a wet chopped glass fiber forming process.
417219
Hsu Edward C.-H.
Moore Lorenzo D.
Temple Chester S.
Borden Ladner Gervais Llp
Ppg Industries Ohio Inc.
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