Rare earth yttrium oxysulfide red long afterglow polyarmide fiber and preparation method thereof
A technology of afterglow polyamide and yttrium oxysulfide, which is applied in textile products and fields, can solve the problems that cannot meet the requirements of practical applications, and achieve the effects of ensuring continuous spinnability, small escape probability, and reducing the impact of high temperature degradation
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[0012] Example one
[0013] After drying the polyamide chips for 23 hours at a temperature of 100°C, the rare earth yttrium oxysulfide luminescent powder was added at a ratio of 30% by weight, followed by the flow stabilizer fatty acid monoglyceride 0.03% and the oxidation stabilizer triphosphite Phenyl ester 0.04%, anti-ultraviolet agent benzotriazole 0.05%, crosslinking agent trimethylolpropane trimethacrylate 0.04%, dispersing agent barium stearate 0.3%, then melted and cast at 220 ℃ Banding and pelletizing to make masterbatch, in which the additives composed of flow stabilizer, oxidation stabilizer, anti-ultraviolet agent, and crosslinking agent are nano-level;
[0014] The luminescent masterbatch and polyamide chips manufactured above were formulated into spinning raw materials at a mass ratio of 1:3, and dried at a temperature of 100°C for 23 hours, and then melted at a melting temperature of 260°C in a screw extruder. Spinning and winding at a winding speed of 2900 m / min to...
Example Embodiment
[0015] Example two
[0016] After drying the polyamide chips for 20 hours at a temperature of 110°C, the rare earth yttrium oxysulfide luminescent powder was added at a ratio of 25wt%, followed by the flow stabilizer fatty acid monoglyceride 0.02% and the oxidation stabilizer triphosphite Phenyl ester 0.03%, anti-ultraviolet agent benzotriazole 0.03%, crosslinking agent trimethylolpropane trimethacrylate 0.03%, dispersing agent barium stearate 0.2%, and then melted and cast at 230°C Banding and pelletizing to make masterbatch, in which the additives composed of flow stabilizer, oxidation stabilizer, anti-ultraviolet agent, and crosslinking agent are nano-level;
[0017] The above-mentioned luminescent masterbatch and polyamide chips are formulated into spinning raw materials in a mass ratio of 1:3.5, dried at 110°C for 20 hours, and then melted at 240°C in a screw extruder. Spinning and winding at a winding speed of 2700 m / min to produce rare earth luminescent POY filaments.
[001...
Example Embodiment
[0019] Example three
[0020] After drying the polyamide chips for spinning for 17 hours at a temperature of 120°C, add rare earth yttrium oxysulfide luminescent powder at a ratio of 20wt%, then add flow stabilizer fatty acid monoglyceride 0.01%, oxidation stabilizer Triphenyl phosphite 0.02%, anti-ultraviolet agent benzotriazole 0.01%, cross-linking 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-level;
[0021] The luminescent masterbatch and polyamide chips manufactured above were formulated into spinning raw materials in a mass ratio of 1:4, dried at a temperature of 120°C for 17 hours, and then melted in a screw extruder at a temperature of 220°C. Spinning and winding are carried out at a winding speed of 2500 m / min to produce r...
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