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

D - Textiles, Paper

01

D

18/575, 402/604

D01D 5/00 (2006.01)

Patent

CA 1109618

ABSTRACT OF THE DISCLOSURE Filament-like polymer crystal fibres are prepared from a solution of a crystallizable polymer, such as polyethylene or polyproprlene, in a vessel containing a spinning rotor, preferably having a slightly roughened surface, according to the disclosed invention. The fibre 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 fibres of outstanding mechanical properties. The filaments according to the invention can replace glass fibres because of their low weight, high E-modulus and tensile strength compared with fibres produced by prior art processes.

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