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Rare-earth-silicate long-red-afterglow colored polypropylene fiber

A long afterglow, rare earth technology, applied in textile products and fields, can solve the problems of rare earth aluminate luminous fiber application limitations, single luminous color, and affecting luminous efficiency, etc., to ensure continuous spinnability, low preparation cost, and escape probability small effect

Inactive Publication Date: 2013-10-23
JIANGNAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the commercially produced luminescent fibers are mainly rare earth aluminate luminescent fibers, which have good long afterglow properties and relatively stable chemical properties, but their disadvantages are also obvious: poor water resistance, relatively single luminous color, and poor sensitivity to luminescent particles. The secondary treatment (such as surface coating) increases the cost and affects the luminous efficiency
Therefore, the application of rare earth aluminate luminous fiber is greatly restricted

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0013] After drying the polypropylene slices at 100°C for 19 hours, add rare earth magnesium silicate luminescent powder in a proportion of 30wt%, and then add flow stabilizer fatty acid monoglyceride 0.03wt%, oxidation stabilizer phosphorous acid Triphenyl ester 0.04wt%, anti-ultraviolet agent benzotriazole 0.05wt%, crosslinking agent trimethylolpropane trimethacrylate 0.04wt%, dispersant barium stearate 0.3wt%, then at 200 ℃ Melting, casting, pelletizing at high temperature to make masterbatch, in which the additives composed of flow stabilizer, oxidation stabilizer, anti-ultraviolet agent and cross-linking agent are nano-scale;

[0014] Prepare the above-mentioned luminescent masterbatch and polypropylene slices in a mass ratio of 1:3 to prepare spinning raw materials, and add 0.8wt% color masterbatch, and after drying for 19 hours at a temperature of 100°C, extrude on a screw In the discharge machine, the melting temperature of 260° C. and the winding speed of 2900 m / min a...

Embodiment 2

[0016] After drying the polypropylene slices at a temperature of 110°C for 17 hours, add rare earth magnesium silicate luminescent powder in a proportion of 25wt%, 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] Prepare the above-mentioned luminous masterbatch and polypropylene slices in a mass ratio of 1:3.5 to prepare spinning raw materials, and mix in 0.6wt% color masterbatch. After drying for 17 hours at a temperature of 110°C, extrude the In the exiting machine, the melting temperature of 240° C. and the winding speed of 2700 m / min are used for s...

Embodiment 3

[0020] After drying the polypropylene chips specially for spinning at 120°C for 15 hours, add rare earth magnesium silicate 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°C 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] Prepare the above-mentioned luminescent masterbatch and polypropylene chips in a mass ratio of 1:4 to make spinning raw materials, and add 1.0wt% color masterbatch, after drying for 15 hours at a temperature of 120°C, extrude the In the discharge machine, the melting temperature of 220° C. and the winding speed of 2500 m / min are used for ...

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Abstract

The invention relates to rare-earth-silicate long-red-afterglow colored polypropylene fiber and a preparation method thereof. The fiber is characterized by being prepared from the following raw materials in percentage by weight: 89-96% of polypropylene spinning raw material, 3-10% of rare-earth magnesium silicate luminescent material, 0.6-1.0% of color master batch and a trace amount of functional assistants; and POY (Pre-Oriented Yarn) is prepared through proportionally mixing the raw materials, using a special spinning process and carrying out spinning winding by using a screw extruder, and DTY (Draw Textured Yarn) or FDY (Fully Drawn Yarn) can be prepared from the POY through draw texturing or drawing. The polypropylene fiber prepared by the method disclosed by the invention has the advantages that various colors are shown without dyeing, red afterglow with the wavelength of 600-750 nm can be emitted after the polypropylene fiber is irradiated by sunlight or fluorescent light for 1-10 min, the initial brightness of the afterglow is 2-3cd / m<2>, and the service life of the afterglow can reach 4-6 h; and the luminescent fiber is non-toxic and harmless and is free of any adverse effect on human bodies and environment.

Description

technical field [0001] The invention relates to the field of textile products and technology, in particular to a rare-earth magnesium silicate red long-glow colored polypropylene fiber and a preparation process thereof. Background technique [0002] Long afterglow luminescent fiber, also known as luminous fiber, is a kind of light-induced energy storage type made of polyester, nylon or polypropylene resin by adding rare earth long afterglow luminescent materials and nano-scale functional additives through special spinning technology. Glowing fibers. The fiber is green, environmentally friendly and energy-saving, and can be widely used in aviation and navigation, defense industry, building decoration, transportation, night work and clothing and other fields. At present, the commercially produced luminescent fibers are mainly rare earth aluminate luminescent fibers, which have good long afterglow properties and relatively stable chemical properties, but their disadvantages ar...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D01F6/46D01F1/10C09K11/79
Inventor 罗军刑德考程季辰
Owner JIANGNAN UNIV
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