Polyester fiber with heat-conduction and moisture-conduction functions and production method of polyester fiber
A manufacturing method and polyester fiber technology, applied in the textile field, can solve the problems of poor thermal conductivity of organic polymers, and the thermal conductivity of fibers cannot surpass the thermal conductivity of inorganic nanomaterials, etc., and achieve the effect of high thermal conductivity and good cooling sensation.
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Embodiment 1
[0020] The flaky mica and kaolin are ball milled and sieved to obtain nanometer-sized powders. The surface of the flaky mica and kaolin is organically treated with a silane coupling agent and then mixed to obtain a modified nano-inorganic silicate powder. The weight percent of mica and kaolin is 3:1; the modified nano-inorganic silicate powder and polyester chips are dried and then blended and melt-spun, wherein the weight percentage of modified nano-inorganic silicate powder and polyester 1:99, spinning cross-section POY fibers, spinning temperature is 275°C, spinning speed is 3200 m / min, drawing temperature is 80°C, drafting ratio is 3 times, the linear density of spinning cross-section POY fibers It is 2.1cN / dtex, and the Qmax value is 0.106 (ΔT=10℃) measured by the Japanese cool feeling test.
Embodiment 2
[0022] The flake mica and hector bentonite are ball milled and sieved separately to obtain nano-sized powders, and the surface of flake mica and hector bentonite is organically treated with a silane coupling agent and then mixed to obtain modified nano-inorganic silicate powder body, the weight percentage of flaky mica and hector bentonite is 2:1; the modified nano-inorganic silicate powder and polyester chips are dried and then blended and melt-spun, wherein the modified nano-inorganic silicate powder The weight percentage of polyester and polyester is 2:98, spinning trilobal cross-section FDY fibers, spinning temperature is 275°C, spinning speed is 4500 m / min, drawing temperature is 160°C, drafting ratio is 5 times, spinning cross The linear density of the cross-section POY fiber is 1.58cN / dtex, and the Qmax value measured by the Japanese cool feeling test is 0.113 (ΔT=10°C).
Embodiment 3
[0024] Flake kaolin and montmorillonite are ball milled and sieved separately to obtain nanometer-sized powders, and the surface is organically treated with titanate coupling agent flake kaolin and montmorillonite and then mixed to obtain modified nano-inorganic silicate Powder, the weight percent of kaolin and montmorillonite is 2:1; After drying the modified nano-inorganic silicate powder and polyester chips, they are blended and melt-spun, wherein the modified nano-inorganic silicate powder and The weight percentage of polyester is 1.5:98.5, spinning POY fibers with triangular cross-section, spinning temperature is 275°C, spinning speed is 3000 m / min, drawing temperature is 120°C, drafting ratio is 1 times, and cross-section is spun The linear density of POY fiber is 2.67cN / dtex, and the Qmax value is 0.102 (ΔT=10°C) as measured by the Japanese cool feeling test.
[0025] The invention adopts modified nano-inorganic silicate as the main cooling functional additive, and comb...
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