Functional nylon 66 fiber and preparation method thereof
A functional, nylon technology, applied in fiber treatment, fiber chemical characteristics, rayon manufacturing, etc., to achieve broad-spectrum antibacterial heat resistance, good uniformity, and good dyeability.
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[0020] Example 1
[0021] The nano titanium dioxide (TiO 2 1kg of powder and nano-montmorillonite powder treated with intercalant (quaternary ammonium salt surfactant) with a particle size of ≤100nm and 8kg of nylon 66 resin chips are mixed at high speed and then sent to a twin-screw granulator for co-processing Mix and melt granulation, blend 1kg of the obtained masterbatch with 9kg nylon 66 resin chips and vacuum dry, vacuum degree <0.2mmHg, drying temperature 120℃, drying time 4 hours; then mix with a certain amount of masterbatch ( 3%) Blending for melt spinning, using special-shaped spinneret to spin 50D / 18F, 100D / 48F POY or FDY.
[0022] The oxygen index (flame retardancy) of the tested fiber is 29~32%; the antibacterial performance is 92~96%; the anti-ultraviolet performance is 26~30 (UPF); the antistatic performance is less than 0.6μc; the fabric dyeing uniformity is grade 4 (gray card).
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[0023] Example 2
[0024] The nano titanium dioxide (TiO 2 ) 1.5kg of powder and 1kg of nano-montmorillonite powder treated with intercalant (quaternary ammonium salt surfactant) with a particle size of ≤100nm and 8kg of nylon 66 resin chips are mixed at high speed and then sent to the twin-screw granulator for processing Blending and melting granulation, blending 1kg of the obtained masterbatch with 9kg nylon 66 resin chips and vacuum drying, the vacuum degree is less than 0.2mmHg, the drying temperature is 120℃, and the drying time is 4 hours; then with a certain amount of masterbatch (3%) Blending for melt spinning, using special-shaped spinneret to spin 50D / 18F, 100D / 48F POY or FDY.
[0025] The oxygen index (flame retardancy) of the tested fiber is 29~32%; the antibacterial performance is 94~96%; the anti-ultraviolet performance is 26~30 (UPF); the antistatic performance is less than 0.6μc; the fabric dyeing uniformity is 4.5 grade (gray card).
[0026] The preparation method o...
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