Melt-spinning acrylonitrile polymer

Details Melt-spinning acrylonitrile polymer Melt-spinning acrylonitrile polymer

D - Textiles, Paper

01

D

18/571, 18/617

D01D 4/02 (2006.01) D01F 6/18 (2006.01)

Patent

CA 1132319

ABSTRACT OF THE DISCLOSURE A spinnerette plate having multiple capillaries per counterbore can be effectively used to melt-spin fusion melts of acrylonitrile polyner and water without sticking together of individual filaments. The spinnerette plate has a resulting density of capillaries of at least 18 per square cent- imeter of plate surface. The fusion melt is extruded through the spinnerette directly into a steam pressurized solidification zone, the capillaries being spaced so as to prevent premature contact of the extrudate.

335006

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