Ultrahigh molecular weight polyethylene/nano tungsten disulfide composite fiber and preparation method and application thereof
2012
The invention discloses a polyethylene/nano tungsten disulfide composite fiber and a preparation method and application thereof. The composite fiber consists of nano tungsten disulfide and a product obtained by homopolymerizing polyethylene at a temperature of 100 to 200 DEG C. The polyethylene has the weight-average molecular weight of 1*106 to 4*106, preferably 1*106 to 3*106; and the nano tungsten disulfide has particle size of 10 to 150 nanometers, preferably 20 to 100 nanometers. According to the invention, nano tungsten disulfide particles are introduced into an ultrahigh molecular weight polyethylene fiber, the novel inorganic fullerene transition metal sulfide tungsten disulfide nano material has a spherical nested hollow structure, the smooth spherical appearance can ensure the stress to be more uniformly distributed along the surfaces of the particles and the nested hollow structure can adsorb a great amount of energy of impact waves, and thus, the ultrahigh molecular weight polyethylene/nano tungsten disulfide composite fiber has excellent impact resistance and vibration reducing performance.
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