Stock material or miscellaneous articles – Coated or structually defined flake – particle – cell – strand,... – Rod – strand – filament or fiber
Patent
1985-03-29
1987-01-20
Kendell, Lorraine T.
Stock material or miscellaneous articles
Coated or structually defined flake, particle, cell, strand,...
Rod, strand, filament or fiber
65 341, 65 344, 428392, B32B 900, D02G 300
Patent
active
046379568
ABSTRACT:
Strands of chemically treated glass fibers of the present invention result in fiber reinforced polar thermosetting and thermoplastic polymers having good strength properties. The chemically treated glass fibers are treated with the an aqueous chemical treating composition having an epoxy polyurethane copolymer or a polyepoxide resin with blocked polyisocyanate functionality, and at least one or more organo coupling agents. The epoxy polyurethane copolymer or epoxy with polyisocyanate functionality can be chain extended with organic polyols. The blocked polyisocyanates can be either partially or fully blocked. Also the aqueous chemical treating composition can have one or more cationic and/or nonionic fiber lubricants, epoxy polyvinyl acetate copolymer in conjunction with an ethylene vinyl acetate copolymer or an epoxy polymer and mixtures of the fiber lubricant with the polymeric materials.
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Das Balbhadra
Melle Carl A.
Temple Chester S.
Kendell Lorraine T.
PPG Industries Inc.
Stachel Kenneth J.
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