A kind of preparation method and product thereof of high bonding, high-strength ultra-high molecular weight polyethylene fiber
An ultra-high molecular weight, polyethylene fiber technology, applied in the direction of single-component polyolefin rayon, fiber treatment, fiber chemical characteristics, etc., can solve the problem of limited polar groups, great influence on fiber mechanical properties, and cumbersome processing methods and other problems, to achieve the effect of improved surface adhesion and excellent mechanical properties
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Embodiment 1
[0052] Add the modified PE (see Table 2 for the corresponding structure) and UHMWPE resin powder (see Table 1 for the corresponding parameters) into the tetralin solvent, and the modified PE mass in the mixed solution accounts for 0.1% of the UHMWPE resin mass, and the UHMWPE powder and the modified The sum of the PE mass accounts for 4% of the total mass of the mixed solution, and is mechanically stirred for 30 minutes to mix evenly; then extruded through a twin-screw extruder at a temperature of 150°C, and then sequentially passed through a metering pump and a spinneret for spinning Silk, the temperature of the metering pump and the spinneret is 170°C, cooling in a water bath to obtain jelly collagen silk.
[0053] The obtained jelly collagen filaments were left to stand at room temperature and then extracted. The extraction time was 5 minutes, the extraction temperature was 20°C, and the extraction agent was hexane, followed by drying and multi-stage hot drawing to obtain UH...
Embodiment 2
[0056] Add modified PE (see Table 2 for the corresponding structure) and UHMWPE resin powder (see Table 1 for the corresponding parameters) into the decahydronaphthalene solvent, and the mass of modified PE in the mixed solution accounts for 50% of the mass of UHMWPE resin, and the UHMWPE powder and modified The sum of the PE mass accounts for 20% of the total mass of the mixed solution, and is mechanically stirred for 120 minutes to mix evenly; then extruded through a twin-screw extruder, and the temperature of the screw extruder is 190°C, and then sequentially passed through a metering pump and a spinneret to spin Silk, the temperature of the metering pump and the spinneret is 210° C., cooling in a water bath to obtain jelly collagen silk.
[0057] The obtained jelly collagen filaments were left to stand at room temperature for extraction, the extraction time was 200min, the extraction temperature was 80°C, and the extraction agent was heptane, followed by drying and multi-st...
Embodiment 3
[0060] Add modified PE (see Table 2 for the corresponding structure) and UHMWPE resin powder (see Table 1 for the corresponding parameters) into the kerosene solvent, and the mass of modified PE in the mixed solution accounts for 25% of the mass of UHMWPE resin, and the mass of UHMWPE powder and modified PE The sum accounted for 12% of the total mass of the mixed solution, mechanically stirred for 75 minutes to mix evenly; then extruded through a twin-screw extruder, at this time, the temperature of the screw extruder was 170°C, and then spun through a metering pump and a spinneret in turn, The temperature of the metering pump and the spinneret is 190° C., and cooled in a water bath to obtain jelly collagen filaments.
[0061] The obtained jelly collagen filaments were left to stand at room temperature and then extracted. The extraction time was 100 minutes, the extraction temperature was 50°C, and the extraction agent was toluene. Then, drying and multi-stage hot drawing were ...
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