Glass manufacturing – Processes – Forming product or preform from molten glass
Patent
1981-12-29
1983-01-25
Lindsay, Jr., Robert L.
Glass manufacturing
Processes
Forming product or preform from molten glass
65 344, 427178, 428289, 428378, 428429, 428430, 525168, 525444, 523209, 524594, C03C 2502
Patent
active
043701574
ABSTRACT:
Glass fiber sizing compositions and methods of making same and glass fibers containing dried residue of the sizing composition are provided that yield improved efficiencies, reduced migration, reduction in drying conditions, reduced cleaning time and improved housekeeping. The sizing composition, method and glass fiber strand involves the use of a high solids sizing composition having a water solubilized, condensation, cross-linkable, unsaturated polyester resin having free carboxyl groups either pendant or terminal or pendant and terminal and an amino-containing silane and an amount of water to yield a sizing composition having an amount of total solids in the range of about 18 to about 40 weight percent. In addition, other additives can be included in the sizing composition such as additional polyester resins, additional coupling agents, thermoplastic polymers, anti-static agents, film-former modifiers, wetting agents, stabilizers and lubricants.
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Barch Herbert W.
Hudson Howard J.
McWilliams Donald E.
Melle Carl A.
Lindsay, Jr. Robert L.
PPG Industries Inc.
Stachel Kenneth J.
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