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Multicolor terylene fat and thin fiber filament produced in variable speed by metering pump and preparation method thereof

A technology for fat and thin fibers and production methods, which is applied in fiber processing, filament/thread forming, feeding solution to spinnerets, etc., can solve the problem of improving wearing comfort, low product differentiation, and poor moisture absorption and air permeability of polyester fabrics. problems, to achieve the effects of good hand feel and air permeability, simple equipment modification, significant economic and social benefits

Inactive Publication Date: 2012-10-03
DONGHUA UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] China has become the largest producer and demand country of polyester chemical fiber, but the product differentiation is very low, the moisture absorption and breathability of polyester fabrics are poor, and the wearing comfort needs to be improved, and product upgrades are urgently needed

Method used

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  • Multicolor terylene fat and thin fiber filament produced in variable speed by metering pump and preparation method thereof
  • Multicolor terylene fat and thin fiber filament produced in variable speed by metering pump and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] Manufacture of multi-color polyester fat and thin fiber filaments produced by variable speed metering pumps:

[0030] On the polyester full-drawn yarn FDY device, change the internal control constant-speed working mode of the frequency converter that controls the metering pump (1) motor, and use the multi-stage speed-changing external control mode to work, controlled by the connected programmable controller (4) The metering pump (1) runs at different speeds according to the set program, so that the total stretching ratio of the filament formed by the difference between the extrusion speed of the melt in the spinneret (2) and the speed of the winding head (3) changes accordingly .

[0031] One hot roller V=1300m / min, second hot roller speed V1=3500m / min Metering pump frequency multi-stage speed: h1=20hz, h2=21hz, h3=23hz, corresponding time: t1=1ms, t2=1ms, t3=1ms ,, the acceleration time is 0.01 seconds.

[0032] The obtained thick and thin fiber section length is 15c...

Embodiment 2

[0034] Manufacture of polyester multi-color slub full-drawn yarn FDY produced by metering pump variable speed:

[0035] On the polyester full-drawn yarn FDY device, change the internal control constant-speed working mode of the frequency converter that controls the metering pump (1) motor, and use the multi-stage speed-changing external control mode to work, controlled by the connected programmable controller (4) The metering pump (1) runs at different speeds according to the set program, so that the total stretching ratio of the filament formed by the difference between the extrusion speed of the melt in the spinneret (2) and the speed of the winding head (3) changes accordingly .

[0036] One hot roller V=1500m / min, second hot roller speed V1=4300m / min Metering pump frequency multi-stage speed: h1=50hz, h2=50hz, h3=54hz, corresponding time: t1=1ms, t2=3ms, t3=5ms ,, the acceleration time is 0.05 seconds.

[0037] The thick and thin fiber segment lengths are 60cm, 75cm, the...

Embodiment 3

[0039] Manufacture of polyester multi-color slub full-drawn yarn FDY produced by metering pump variable speed:

[0040] On the polyester full-drawn yarn FDY device, change the internal control constant-speed working mode of the frequency converter that controls the metering pump (1) motor, and use the multi-stage speed-changing external control mode to work, controlled by the connected programmable controller (4) Make the metering pump (1) run at different speeds according to the set program, so that the total stretching ratio of the filament formed by the difference between the extrusion speed of the melt in the spinneret hole (2) and the speed difference of the winding head (3) Variety.

[0041] One hot roller V=1300m / min, second hot roller speed V1=3900m / min metering pump frequency multi-stage speed: h1=80hz, h2=84hz, h3=88hz, h4=92hz, corresponding time: t1=2ms, t2=4ms , t3=5ms, t4=4s, the acceleration time is 0.03 seconds.

[0042] 450D / 144F four-color polyester fat and...

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Abstract

The invention relates to a multicolor terylene fat and thin fiber filament produced in a variable speed by a metering pump and a preparation method thereof. Technical problems need to be solved to achieve that a fiber strand is radially provided certain thick and thin sections, the strand can present dyed sections with 2-4 different main colors after being dyed with a dye, and a fiber fabric is smooth. The method comprises the important steps that a programmable controller is adopted to programmedly control the variable-speed operation of the metering pump (1) in a terylene FDY (fully drawn yarn) or terylene POY (Pre-Oriented Yarn) production process, the supply amount of polyester melt is changed, different spinning nozzle stretch times are formed between a spinneret orifice (2) and a winding head (3), a thick and thin section structure with different strands is formed, and the multicolor terylene fat and thin fiber filament or the terylene POY with the thick and thin section structure is prepared, and after the terylene POY with the thick and thin section structure is false-twist textured, a DTY (draw textured yarn) of the multicolor terylene fat and thin fiber filament is prepared.

Description

technical field [0001] The invention relates to a polyester chemical fiber filament for weaving, in particular to a multi-color polyester fat and thin fiber filament produced by a metering pump at a variable speed and a preparation method thereof. Background technique [0002] China has become the largest producer and demander of polyester chemical fibers, but the product differentiation is very low. Polyester fabrics have poor moisture absorption and air permeability, and the wearing comfort needs to be improved. Product upgrades are urgently needed. [0003] The continuous improvement of textile chemical fiber production and automation control technology has broadened the space and demand for the differentiated production of polyester chemical fiber products. [0004] Multi-color polyester fat and thin fiber filament fabric has good hand feeling and air permeability. After dyeing, it can present unique stripes of the same color and different colors. It has good economic an...

Claims

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Application Information

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IPC IPC(8): D02G3/02D02G3/34D01D1/09D01D5/20
Inventor 张守运
Owner DONGHUA UNIV
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