Beijing Tongyizhong Specialty Fibre Technology & Development Co., Ltd

Fengqi Lin

Peng He

Xingliang Huang

A method for preparing gelatinized pre-oriented filaments and the gelatinized pre-oriented filaments prepared by the method are provided. The method includes feeding a spinning dope into a twin-screw extruder for blending and extruding the spinning dope to obtain a first spinning solution having a non-Newtonian index of 0.1-0.8 and a structural viscosity index of 10-50, feeding the first spinning solution into a spinning box and drawing at a spinneret with a factor of 5-20 to obtain a second spinning solution, and flash cooling and curing the second spinning solution to obtain the gelatinized pre-oriented filaments. Also provided are a method for preparing ultra-high molecular weight polyethylene fibers and ultra-high molecular weight polyethylene fibers prepared by the method.

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Beijing, China

Fengqi Lin