Process for producing porous acrylic fibers

Details Process for producing porous acrylic fibers Process for producing porous acrylic fibers

D - Textiles, Paper

01

F

18/604

D01F 6/18 (2006.01) D01D 5/247 (2006.01)

Patent

CA 1038579

Abstract of the Disclosure Wet-spinning porous acrylic fibers from a spin dope containing a fine dispersion of both (a) an inert gas such as air and (b) an inert, low-boiling (b.p. 30-100°C.) liquid which is substantially insoluble in the spin dope and coagulant by a process which includes passing the wet-gel fiber through steam or hot water at a temperature above the boiling point of said inert liquid to evaporate it.

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