Back to results
US 5,116,900 AGranted
Coating composition for fibers
AssigneeOwens-Corning Fiberglas Corporation
InventorsMartin C. Flautt, Leonard J. Adzima
Life of this patent
Estimating the term…
Abstract
An aqueous coating composition for glass fibers is provided which contains a polycarbonate precursor material and a water soluble film former or binder. The resulting coated glass fibers have excellent flexibilty with little or no powdering of the coating composition off the fibers.
Claims6
An aqueous coating composition consisting essentially of, by weight percent:
- ______________________________________ Weight Percent ______________________________________ Powdered polycarbonate precursor material 15-35 comprising cyclic polycarbonate oligomers Water soluble polymer comprising polyethylene .5-2 oxide Viscosity modifier comprising a high molecular .02-.10 weight, highly charged, anionic, acrylic acid polymer or copolymer Dispersant .5-2.0 Defoamant 0-trace -Catalyst 0.009-.021 Water balance. ______________________________________
An aqueous coating composition consisting essentially of, by weight percent:
- ______________________________________ Weight Percent ______________________________________ Powdered polycarbonate precursor material 20-25 comprising cyclic polycarbonate oligomers Water soluble polymer comprising 1.0-1.5 polyethylene oxide Viscosity modifier comprising .04-.06 a high molecular weight, highly charged, anionic, acrylic acid polymer or copolymer Dispersant .5-1.0 Defoamant 0-trace Catalyst .012-.015 Water balance ______________________________________
An aqueous coating composition consisting essentially of, by weight percent:
- ______________________________________ Weight Percent ______________________________________ Powdered polycarbonate precursor material 22.5 comprising cyclic polycarbonate oligomers Water soluble polymer comprising polyethylene oxide 1.2 Viscosity modifier comprising 0.05 a high molecular weight, highly charged, anionic, acrylic acid polymer or copolymer Dispersant .89 Defoamant 0-trace Catalyst .014 Water balance ______________________________________
Dependencies are inferred from the claim text.