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Gelatinized pre-oriented filaments and preparation method thereof, and ultra-high molecular weight polyethylene fibers and preparation method thereof
Gelatinized pre-oriented filaments and preparation method thereof, and ultra-high molecular weight polyethylene fibers and preparation method thereof
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机译:糊化的预取向长丝及其制备方法,超高分子量聚乙烯纤维及其制备方法
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摘要
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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