Stock material or miscellaneous articles – Coated or structually defined flake – particle – cell – strand,... – Rod – strand – filament or fiber
Patent
1979-06-04
1981-08-25
Kendell, Lorraine T.
Stock material or miscellaneous articles
Coated or structually defined flake, particle, cell, strand,...
Rod, strand, filament or fiber
260 285B, 260 297E, 260 297H, 260 297NR, 428392, C08L 9100, D02G 300
Patent
active
042860199
ABSTRACT:
Sized glass fibers are rendered less tacky by treating glass fibers with a sizing composition having a blend of components. The sizing composition has about 0.5 to about 2 weight percent of liquid hydroxylated styrene butadiene copolymer, about 0.35 to about 2 weight percent of one or more emulsifiers, about 0.5 to about 1.5 weight percent of a wet lubricant, about 0.5 to about 3 weight percent of one or more dry lubricant oils or waxes and about 0.3 to about 2 weight percent of an organo silane coupling agent. All of the weight percents are of the total aqueous sizing composition. The emulsifier or emulsifiers are those having a fatty acid portion with carbon to carbon chain lengths of at least 14 to about 20 carbon atoms. The wet lubricant has a nitrogenous group to provide hydrogen bonding with the surface of the glass fibers.
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Kendell Lorraine T.
PPG Industries Inc.
Stachel Kenneth J.
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