Stock material or miscellaneous articles – Coated or structually defined flake – particle – cell – strand,... – Rod – strand – filament or fiber
Patent
1985-11-12
1987-02-17
Lesmes, George F.
Stock material or miscellaneous articles
Coated or structually defined flake, particle, cell, strand,...
Rod, strand, filament or fiber
428359, 428364, 428391, 428394, 428400, 428447, D02G 300
Patent
active
046439463
ABSTRACT:
Silica-containing acrylic and modacrylic fibres are obtained without spinning defects in that an aqueous silica sol is reacted with a silane and with a polar organic solvent, the sequence in which the two agents are added being optional, the water is distilled off in a vacuum at a temperature of at most 60.degree. C., the thread-forming polymer is then added in a quantity which is sufficient to form a spinnable solution and the solution is spun.
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Brauer Wolfgang
Korte Siegfried
Suling Carlhans
Willenberg Bernd
Bayer Aktiengesellschaft
Gibson S. A.
Lesmes George F.
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