Stock material or miscellaneous articles – Coated or structually defined flake – particle – cell – strand,... – Rod – strand – filament or fiber
Patent
1981-12-24
1983-02-15
Marquis, Melvyn I.
Stock material or miscellaneous articles
Coated or structually defined flake, particle, cell, strand,...
Rod, strand, filament or fiber
523437, 523438, 523466, 523467, 524487, 524507, 524318, B32B 900
Patent
active
043741770
ABSTRACT:
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 composition 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.
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Product literature from Celanese Polymer Specialties Company directed to Epi-Rez.RTM. epoxy polymers.
Product literature from Hooker Chemical Company, Ruco Division, pertaining to Rucothane polyurethane latexes.
Hsu Ed C.
Moore L. Dow
Temple Chester S.
Marquis Melvyn I.
PPG Industries Inc.
Stachel Kenneth J.
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