FDY/POY different shrinkage combined filament yarn of biomass nylon 56 fiber/PET fiber and preparing method thereof
A technology of different shrinkage mixed fiber yarn and biomass nylon, which is applied in the direction of conjugated synthetic polymer artificial filament, etc., can solve the problems of poor hydrophilicity and softness of polyester, and achieve the improvement of fiber hydrophilicity and softness, and good mechanical properties performance, effect of good hydrophilic properties
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Embodiment 1
[0022] A different shrinkage mixed fiber yarn in which biomass nylon 56 fiber is FDY fiber and PET fiber is POY fiber, and the mass ratio of biomass nylon 56 fiber and PET fiber is 1:9.
[0023] use as figure 1 The shown device prepares different shrinkage mixed filaments:
[0024] Biomass nylon 56 slices were crystallized at 130°C for 0.5h and dried at 150°C for 8h under the protection of nitrogen, and then melted and extruded into the spinning box at 270-290°C by a screw extruder. The temperature of the spinning box was 280°C. After being extruded and cooled by the second spinning assembly 4, the temperature of the first hot roller 5 is 60° C., and the speed is 1000 m / min. Then the temperature of the second hot roller 5' is 100°C, and the speed is 2800m / min to form a fully drawn yarn (FDY), and the fully drawn yarn is input into the doubling device 6. PET chips are crystallized at 150°C for 0.5h, dried at 160°C for 8h, melted and extruded by a screw extruder at 280°C to 30...
Embodiment 2
[0026] A kind of different shrinkage mixed fiber yarn in which biomass nylon 56 fiber is FDY fiber and PET fiber is POY fiber, and the mass ratio of biomass nylon 56 fiber and PET fiber is 1:1.
[0027] use as figure 1 The shown device prepares different shrinkage mixed filaments:
[0028] Biomass nylon 56 slices were crystallized at 130°C for 0.5h and dried at 150°C for 8h under the protection of nitrogen, and then melted and extruded into the spinning box through a screw extruder at 270-290°C. The temperature of the spinning box was 280°C. After the liquid is extruded and cooled by the second spinning assembly 4, the temperature of the first hot roller 5 is 60° C., and the speed is 1000 m / min. Then the temperature of the second hot roller 5' is 100°C, and the speed is 2800m / min to form a fully drawn yarn (FDY), and the fully drawn yarn is input into the doubling device 6. PET chips are crystallized at 150°C for 0.5h, dried at 160°C for 8h, melted and extruded by a screw ex...
Embodiment 3
[0030] A different-shrinkage mixed fiber yarn in which biomass nylon 56 fiber is FDY fiber and PET fiber is POY fiber, and the mass ratio of biomass nylon 56 fiber to PET fiber is 9:1.
[0031] use as figure 1 The shown device prepares different shrinkage mixed filaments:
[0032] Biomass nylon 56 slices were crystallized at 130°C for 0.5h and dried at 150°C for 8h under the protection of nitrogen, and then melted and extruded into the spinning box at 270-290°C by a screw extruder. The temperature of the spinning box was 280°C. After being extruded and cooled by the second spinning assembly 4, the temperature of the first hot roller 5 is 60° C., and the speed is 1000 m / min. Then the temperature of the second hot roller 5' is 100°C, and the speed is 2800m / min to form a fully drawn yarn (FDY), and the fully drawn yarn is input into the doubling device 6. PET chips are crystallized at 150°C for 0.5h, dried at 160°C for 8h, melted and extruded by a screw extruder at 280°C to 300...
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