Process for forming hollow fibers

Details Process for forming hollow fibers Process for forming hollow fibers

1973-11-26

1976-02-24

Woo, Jay H.

Plastic and nonmetallic article shaping or treating: processes

Forming continuous or indefinite length work

Shaping by extrusion

210321R, 210500M, 260 25N, 260 292N, 260 296WB, 260857UN, 264205, 264209, 428398, D01D 504, D01D 524

Patent

active

039404692

ABSTRACT:
Hollow membrane fibers are formed from a mixture of N-alkoxyalkyl polyamide, polyvinyl alcohol, di(lower alkyl) sulfoxide and water. The fibers are useful for separating chemicals, e.g., aliphatically-unsaturated hydrocarbons, from mixtures containing them.

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