C - Chemistry – Metallurgy – 08 – J
Patent
C - Chemistry, Metallurgy
08
J
117/197
C08J 5/08 (2006.01) C03C 13/00 (2006.01) C03C 25/26 (2006.01)
Patent
CA 1285833
ABSTRACT OF THE DISCLOSURE Chemically treated glass fibers having good processability are useful in producing fiber reinforced polymeric matrices, wherein the glass fibers have good wettability and are not detrimental to the weatherability of the fiber reinforced polymeric matrices. The chemically treated fibers have the dried residue of an aqueous chemical treating composition having at least a bisphenol A polyester film forming polymer compatible with and soluble in the matrix polymer, acryloxy-containing or methacryloxy-containing organo coupling agent in an effective coupling agent amount, cationic fiberous lubricant in an effective lubricating amount, with an antistatic agent that is a cationic organic quaternary ammonium salt having alkoxy moieties, and water in an amount to give a total solids for the aqueous chemical treating composition in the range of about 1 to about 30 weight percent. The aqueous chemical treating composition is essentially free of inorganic antistatic agents. In addition, the aqueous chemical treating composition can have one or more strand hardening agents such as melamine formaldehyde resin. The amount of the organic quaternary ammonium antistatic agent generally is in the range of from 0.05 to around 0.4 weight percent of the aqueous chemical treating composition. The chemically treated glass fibers can be produced in any form such as chopped strand or continuous strand for combination with polymeric matrices including both filled and unfilled systems for producing reinforced polymeric matrices such as glass fiber reinforced polymeric panels which can be clear, translucent or pigmented.
511667
Das Balbhadra
Hudson Howard J.
Melle David T.
Sanzero George V.
Borden Ladner Gervais Llp
Das Balbhadra
Hudson Howard J.
Melle David T.
Ppg Industries Inc.
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