Colored ultra-high molecular weight polyethylene fibers and preparation method thereof
An ultra-high molecular weight, polyethylene fiber technology, used in dyeing, textiles and papermaking, etc., can solve the problems of harsh reaction conditions, inability to apply on a large scale, and achieve high strength retention, high repeatability, and simple production process. Effect
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Embodiment 1
[0027] Embodiment 1 prepares yellow ultrahigh molecular weight polyethylene fiber
[0028] 1. Dyeing step, preparation of yellow ultra-high molecular weight polyethylene extraction fiber
[0029] At room temperature, fatty alcohol polyoxyethylene ether (AEO-9) and dye methyl yellow (Alfa Aisha (China) Chemical Co., Ltd.) were dropped into water by mass ratio 0.3%, 3% respectively to prepare a dyeing bath. Sonicate the dyeing bath in an ultrasonic cleaning device at 50°C for 30 minutes. After the dyeing solution is evenly dispersed, cool it and let it stand at room temperature for use. Put the dye liquor and the ultra-high molecular weight polyethylene extraction fiber to be dyed in the cheese dyeing machine at a mass ratio of 100:1, heat up to 100°C at 2°C / min, dye at this temperature for 20 minutes, and then cool down to 80°C. At this temperature, wash in a reducing cleaning solution containing 2g / L sodium hydroxide and 2g / L sodium bisulfite for 20 minutes, and dry in the da...
Embodiment 2
[0034] Embodiment 2 prepares blue ultrahigh molecular weight polyethylene fiber
[0035] 1. Dyeing step, preparation of blue ultra-high molecular weight polyethylene extraction fiber
[0036]At room temperature, fatty alcohol polyoxyethylene ether (AEO-9) and dye Sudan Blue II (Alfa Aisha (China) Chemical Co., Ltd.) were dropped into water at a mass ratio of 0.3% and 3% respectively to prepare a dye bath. Sonicate the dyeing bath in an ultrasonic cleaning device at 50°C for 30 minutes, wait for the dyeing solution to disperse evenly, and let it cool down to room temperature for use. Put the dye liquor and ultra-high molecular weight polyethylene extracted fibers in the cheese dyeing machine at a mass ratio of 50:1, raise the temperature to 100°C at 2°C / min, dye at this temperature for 20 minutes, and then cool down to 80°C. Wash for 20 minutes in a reducing cleaning solution containing 2g / L sodium hydroxide and 2g / L sodium bisulfite at high temperature, and dry in the dark at...
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