Yttrium oxysulfide red long-afterglow polypropylene fiber and preparation method thereof
A technology of yttrium oxysulfide and polypropylene, applied in textile products and fields, can solve problems such as failure to meet practical application requirements, and achieve the effect of ensuring continuous spinnability, excellent dispersion and stability, and ensuring mechanical and mechanical properties.
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Embodiment 1
[0013] After drying the polypropylene slices at 100°C for 19 hours, add rare earth yttrium oxysulfide luminescent powder in a proportion of 30wt%, and then add flow stabilizer fatty acid monoglyceride 0.03%, oxidation stabilizer triphosphite 0.04% phenyl ester, 0.05% anti-ultraviolet agent benzotriazole, 0.04% crosslinking agent trimethylolpropane trimethacrylate, 0.3% dispersant barium stearate, and then melt and cast at 200°C Tape, pelletize, and make masterbatch, in which the additives composed of flow stabilizer, oxidation stabilizer, anti-ultraviolet agent and cross-linking agent are nano-scale;
[0014] The above-mentioned luminous masterbatch and polypropylene slices were formulated into spinning raw materials at a mass ratio of 1:3, and after drying at a temperature of 100°C for 19 hours, they were melted in a screw extruder at a melting temperature of 260°C. Spinning and winding at a winding speed of 2900 m / min to make rare earth luminescent POY filaments.
Embodiment 2
[0016] After drying the polypropylene slices at a temperature of 110°C for 17 hours, add rare earth yttrium oxysulfide luminescent powder in a proportion of 25 wt%, and then add flow stabilizer fatty acid monoglyceride 0.02%, oxidation stabilizer triphosphite 0.03% of phenyl ester, 0.03% of anti-ultraviolet agent benzotriazole, 0.03% of crosslinking agent trimethylolpropane trimethacrylate, 0.2% of dispersant barium stearate, and then melt and cast at 190°C Tape, pelletize, and make masterbatch, in which the additives composed of flow stabilizer, oxidation stabilizer, anti-ultraviolet agent and cross-linking agent are nano-scale;
[0017] The above-mentioned luminous masterbatch and polypropylene slices were formulated into spinning raw materials at a mass ratio of 1:3.5. After drying for 17 hours at a temperature of 110°C, the melting temperature was 240°C in a screw extruder. Spinning and winding at a winding speed of 2700 m / min to make rare earth luminescent POY filaments. ...
Embodiment 3
[0020] After drying the polypropylene slices for spinning at 120°C for 15 hours, add rare earth yttrium oxysulfide luminescent powder in a proportion of 20wt%, and then add flow stabilizer fatty acid monoglyceride 0.01%, oxidation stabilizer Triphenyl phosphite 0.02%, anti-ultraviolet agent benzotriazole 0.01%, crosslinking agent trimethylolpropane trimethacrylate 0.03%, dispersant barium stearate 0.1%, and then at a temperature of 185 ℃ Melting, casting, and pelletizing to make masterbatch, in which the additives composed of flow stabilizer, oxidation stabilizer, anti-ultraviolet agent and crosslinking agent are nano-scale;
[0021] The above-mentioned luminescent masterbatch and polypropylene slices were formulated into spinning raw materials at a mass ratio of 1:4. After drying at a temperature of 120°C for 15 hours, the melting temperature of 220°C was used in a screw extruder. Spinning and winding at a winding speed of 2500 m / min to make rare earth luminescent POY filamen...
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