PROCESS OF PREPARING MONOFILAMENT AND MONOFILAMENT

Abstract: a process prepares a monofilament by a) melt-spinning a thermoplastic polyurethane and forming a monofilament; b) cooling the monofilament under a temperature of 0� c. to 40� c.; c) stretching the monofilament by at least two groups of rollers; d) heat-setting the monofilament; and e) winding the monofilament. the thermoplastic polyurethane has a shore hardness of no less than 65d measured according to din iso 7619-1. the monofilament prepared from the process is also described.

Inventor(s): De Hui Yin, Qing Huai Tang, Hui Zhi Yan, Yin Zhang, Dian Jun Chen

CPC Classification: D01F6/70 (CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS)

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