Stock material or miscellaneous articles – Coated or structually defined flake – particle – cell – strand,...
Patent
1993-08-31
1995-10-03
Ryan, Patrick J.
Stock material or miscellaneous articles
Coated or structually defined flake, particle, cell, strand,...
428361, 428375, 428378, 428391, 428392, 428394, 428395, 524589, 525112, B32B 500
Patent
active
054551137
ABSTRACT:
Flexible coated bundles of fibers are provided that are both encapsulated and impregnated with a coating of one or more independently partially crosslinkable polyurethane. The fibers in the bundle can have a first chemical treatment or size and the bundle of these fibers is treated to have the coating of the polyurethane. The coating impregnates the bundle so that a majority of the fibers have a substantial portion of their surfaces covered with the coating. The independently partially crosslinkable polyurethane is selected from polyurethane polymers that are solvent-soluble, dispersible or emulsifiable that produce a thermoplastic elastomeric film. The partial crosslinkability is from one or more of the following types of crosslinking: self-crosslinkable, internally crosslinkable and/or in-situ crosslinkable. Additional components other than external crosslinking agents can also be present in the coating composition.
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Das Balbhadra
Gaa Peter C.
Girgis Mikhail M.
PPG Industries Inc.
Ryan Patrick J.
Stachel Kenneth J.
Weisberger Richard
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