Stamicarbon B.v.

Cornelis E Meihuizen

Albertus J Pennings

Arie Zwijnenburg

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.

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Groningen, Netherlands

Cornelis E Meihuizen