Filler-containing acrylic and modacrylic fibres and a process fo

Details Filler-containing acrylic and modacrylic fibres and a process fo Filler-containing acrylic and modacrylic fibres and a process fo

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.

REFERENCES:
patent: 2612679 (1952-10-01), Ladisch
patent: 2885308 (1959-05-01), Healy, Jr.
patent: 3015873 (1962-01-01), Dietzsch et al.
patent: 3493424 (1970-02-01), Mohrlok et al.
patent: 3812004 (1974-05-01), Chinai et al.
patent: 3929718 (1975-12-01), Kratel et al.
patent: 3998988 (1976-12-01), Shimomai et al.
patent: 4331732 (1982-05-01), Palethorpe

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