Porous micro-fine denier nylon 6 POY filament yarns and preparation method thereof
A technology of fine denier and nylon, applied in the field of synthetic fibers, can solve the problems of not easy to stretch and deform, high cost, complicated production process, etc., and achieve the effects of stable product performance, simple production method and simple process.
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Embodiment 1
[0028]The functional nylon 6 chip resin obtained above is melt-spun, wherein the rare earth salt content in the chip resin is 0.002%, the chip viscosity is 2.45, and the melting point is 218 ° C. After extruding the functional nylon 6 chip melt through a screw extruder Sent to the spinning machine, the melt is quantitatively pressed into the spinning parts by the metering pump, and the nylon 6 melt is extruded in a fine filament state through the spinneret holes on the spinneret, and the pre-fixed filaments are sucked by the monomer device, slow cooling device, and then through the ring blowing, cooling and forming, oiling, clustering and winding to obtain the finished product of fine denier nylon 6POY fiber, wherein the temperature of the melt in each zone of the screw extruder is 255°C, 258°C, 259°C, 259°C, the spinning temperature is 257°C; the number of spinneret holes used is 68, the hole diameter is 0.25mm, and the length is 0.7mm; the temperature of the air blown by the ...
Embodiment 2
[0031] The functional nylon 6 chip resin obtained above is melt-spun, wherein the rare earth salt content in the chip resin is 0.01%, the chip viscosity is 2.47, and the melting point is 217 ° C. After extruding the functional nylon 6 chip melt through a screw extruder Sent to the spinning machine, the melt is quantitatively pressed into the spinning parts by the metering pump, and the nylon 6 melt is extruded in a fine filament state through the spinneret holes on the spinneret, and the pre-fixed filaments are sucked by the monomer device, slow cooling device, and then blown through the ring, cooling and forming, oiling, clustering and winding to obtain the finished product of fine denier nylon 6POY fiber, wherein the temperature of the melt in each zone of the screw extruder is 257 ° C, 260 ° C, 261°C, 261°C, the spinning temperature is 259°C; the number of spinneret holes used is 136, the hole diameter is 0.22mm, and the length is 0.7mm; the temperature of the air blown by t...
Embodiment 3
[0034] Melt-spin the functional nylon 6 chip resin obtained above, wherein the rare earth salt content in the chip resin is 0.05%, the chip viscosity is 2.49, and the melting point is 214 ° C. After extruding the functional nylon 6 chip melt through a screw extruder Sent to the spinning machine, the melt is quantitatively pressed into the spinning parts by the metering pump, and the nylon 6 melt is extruded in a fine filament state through the spinneret holes on the spinneret, and the pre-fixed filaments are sucked by the monomer equipment, slow cooling device, and then through the ring blowing, cooling and forming, oiling, clustering and winding to obtain the finished product of porous micro-denier nylon 6POY fiber, wherein the temperature of the melt in each zone of the screw extruder is 259 ° C, 262 ° C, 262°C, 262°C, the spinning temperature is 259°C; the number of spinneret holes used is 196, the hole diameter is 0.15mm, and the length is 0.6mm; the temperature of the air ...
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