Process for continuous preparation of fibrous polymer crystals

Details Process for continuous preparation of fibrous polymer crystals Process for continuous preparation of fibrous polymer crystals

1977-05-17

1979-01-30

Woo, Jay H.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Treating polymer containing material or treating a solid...

264176F, 526352, C08F 1002, C08F 606

Patent

active

041373944

ABSTRACT:
Filament-like polymer crystal fibers are prepared from a solution of a crystallizable polymer, such as polyethylene or polypropylene, in a vessel containing a spinning rotor, preferably having a slightly roughened surface, according to the disclosed invention. The fiber thus formed is taken up and removed at a rate equal to the crystal growth rate. The longitudinal crystal growth rate is of sufficient speed for commercial application while at the same time yielding fibers of outstanding mechanical properties.

REFERENCES:
patent: 3962205 (1976-06-01), Ward et al.
patent: 4020266 (1977-04-01), Frank et al.
Pennings et al.; Kolloid Zeit. 236 (1970) 99-111.
Pennings et al.; Kolloid Zeit. 251 (1973) 500-501.

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