Stock material or miscellaneous articles – Coated or structually defined flake – particle – cell – strand,... – Rod – strand – filament or fiber
Patent
1985-12-23
1987-07-21
Kendell, Lorraine T.
Stock material or miscellaneous articles
Coated or structually defined flake, particle, cell, strand,...
Rod, strand, filament or fiber
428375, 428378, 428392, 428394, 428364, 65 341, 65 343, 65 344, D02G 300
Patent
active
046818057
ABSTRACT:
Strands of starch-oil chemically treated glass fibers can have improved performance in high humidity environments. Such strands have a sole starch, film-former modifier which is a poly(oxypropylene) organic alcohol. Starch-oil sizings for treating glass fibers having polyethylene glycol are converted to improved starch-oil sizing compositions by substituting the poly(oxypropylene) organic alcohol for the polyethylene glycol. The strands of chemically treated glass fibers with improved high humidity performance are also made more lubricious by having a moisture-reduced residue of the starch-oil aqueous chemical treating composition with the poly(oxypropylene) organic alcohol. The more lubricious characteristic is effected by having present a starch mixture of a high amylose cationic starch and a highly crosslinked starch of approximately 50 percent amylose and wax in an amount less than the starch mixture but more than the oil and a cationic lubricant wetting agent and bacteriocide or fungicide. The moisture-reduced residue is present on the glass fibers in an amount of about 0.1 to about 2 weight percent LOI.
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Gibson S. A.
Kendell Lorraine T.
PPG Industries Inc.
Stachel Kenneth J.
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