Method for forming filaments from a resin

Details Method for forming filaments from a resin Method for forming filaments from a resin

1987-07-02

1989-03-07

Anderson, Philip

Plastic and nonmetallic article shaping or treating: processes

Utilizing special inert gaseous atmosphere or flushing mold...

264 291, 264 56, 26417713, 264101, 528 12, B29C 4776, B29B 1306

Patent

active

048104434

ABSTRACT:
A solution of resinous organosilicon polymer dissolved in an inert solvent is moved downstream as a film through a heated, film-forming zone having an inert atmosphere and a temperature above the polymer's melting point. The solvent is vaporized from the film and withdrawn from the film-forming zone. Molten resinous organosilicon polymer in the solvent-depleted film is withdrawn from the zone. The molten polymer is then directly melt spun into filaments which are gathered into a fiber. Various processing parameters are controlled.

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