High-strength environment-friendly ultrafine fiber product with low deformation resistance and method for manufacturing same
A technology of anti-deformation and ultra-fine fibers, which is applied in textiles and papermaking, chemical instruments and methods, non-woven fabrics, etc., can solve problems such as excessive waste water, poor sense of unity and strength, and high consumption of solvents
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Embodiment 1
[0068] Slice the polybutylene terephthalate (component A), dry at 130°C for four hours, and control the moisture content of the raw material below 100ppm; slice the polyamide 6 (component B), dry it at 90°C Dry for four hours and control the moisture content below 300ppm. When the moisture content of the raw material reaches the required value, put it into the composite spinning machine for spinning. The temperature of the component A extruder is set from the first zone to the third zone in sequence 255°C, 270°C, 270°C, the temperature setting of component B extruder is 260°C, 290°C, 290°C in sequence from the first zone to the third zone; the temperature of the heat medium of the spinning box is set to 270 ℃, adjust the rotating speed of the two-component spinning metering pump, so that in the unit spinning weight, the weight composite ratio of A component and B component is 54% and 46%, and start spinning, wherein the spinning cooling air temperature is 22°C, the relative hu...
Embodiment 2
[0070] Slice polybutylene terephthalate (component A) and dry it at 130°C for four hours, and control the moisture content of the raw material below 100ppm; slice polyamide 6 (component B), and dry polyamide at 90°C for four hours. Hours, control the moisture content below 300ppm, when the moisture content of the raw material reaches the required value, put it into the compound spinning machine for spinning, the temperature setting of the component A extruder is 255 from the first zone to the third zone ℃, 268°C, 268°C, the temperature setting of component B extruder is 260°C, 295°C, 295°C from the first zone to the third zone, and the temperature of the heat medium of the spinning box is set at 270°C, Adjust the spinning speed of the two-component spinning metering pump so that the weight compound ratio of component A and component B in the unit spinning weight is 32% and 68%, and start spinning, wherein the spinning cooling air temperature is 22°C , the relative humidity of ...
Embodiment 3
[0072] The split fiber made in Example 1 is made into a non-fabric by needle rolling, and the weight of this non-fabric is 370g / m 2 , thickness is 1.5mm, this non-fabric impregnates PVA 5% and dries, obtains a microfiber processing cloth, impregnates the solid content 15% polyurethane coating, solidifies through 30% DMF and washes and dries with 60 ℃ of water, the dried leather material After grinding, and then mechanical kneading, a high-strength segmented superfine fiber artificial leather substrate with good hand feeling and low deformation resistance can be obtained. This substrate is composed of segmented fiber 31 and polyurethane 32, which can be further The base material is post-processed and laminated to obtain a high-strength and environmentally friendly microfiber product with low deformation resistance. The weight of this product is 640g / m 2 , thickness is 1.34mm, this product is to be bottom by the base material that split type fiber 41, polyurethane 42 is formed, ...
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