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Production method of special-shaped superbright fully drawn yarn-low-elastic yarn

A technology of fully drawn yarn and production method, which is applied in the direction of drawing spinning, filament/thread forming, textile and paper making, etc. The problem of poor shape retention and other problems can achieve the effect of good shape, bright gloss and stable product quality.

Inactive Publication Date: 2008-12-24
JIANGSU HENGLI CHEM FIBER
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to provide a production method of special-shaped ultra-bright full-drawn yarn-low elastic yarn (FDY-DTY). FDY filaments do not feel soft, making up for the shortcomings of the existing technology

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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  • Production method of special-shaped superbright fully drawn yarn-low-elastic yarn

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] 50dtex / 36f special-shaped super-bright FDY-DTY polyester filament: DTY is made of super-bright special-shaped FDY after stretching, deformation and micro-network process. Among them, the oiling rate of FDY is 0.8%, the elongation at break is 30%, and the elongation variation coefficient CV% is 3.00%; the first hot box temperature of DTY is 185°C, the second hot box temperature is 175°C, and the stretch ratio is 1.01 , processed into DTY, the breaking strength is 3.50cN / dtex, the elongation at break is 30%, and the special-shaped cross-section is a trilobal shape, wherein the special-shaped degree y of FDY is 33%, and the special-shaped degree y of DTY is 31%. The maintenance of the special-shaped degree Up to 94%. This product not only has super bright luster, good moisture absorption performance, but also has a soft and plump feel when processed into fabrics.

Embodiment 2

[0027] 75dtex / 72f special-shaped super-bright FDY-DTY polyester filament: DTY is made of super-bright special-shaped FDY after stretching, deformation and micro-network process. Among them, the oiling rate of FDY is 1.0%, the elongation at break is 20%, and the elongation variation coefficient CV% is 3.00%; the temperature of the first hot box of DTY is 185°C, the temperature of the second hot box is 180°C, and the stretching ratio is 1.03 , processed into DTY, the breaking strength is 4.00cN / dtex, the elongation at break is 20%, and the special-shaped cross-section is trilobal, wherein the special-shaped degree y of FDY is 30%, and the special-shaped degree y of DTY is 28%. Up to 93%. This product not only has super bright luster, good moisture absorption performance, but also has a soft and plump feel when processed into fabrics.

Embodiment 3

[0029] 50dtex / 24f special-shaped super-bright FDY-DTY polyester filament: DTY is made of super-bright special-shaped FDY after stretching, deformation and micro-network process. Among them, the oiling rate of FDY is 0.6%, the elongation at break is 25%, and the elongation variation coefficient CV% is 3.00%. , processed into DTY, the breaking strength is 3.70cN / dtex, the elongation at break is 25%, and the special-shaped cross-section is trilobal. Among them, the special-shaped degree y of FDY is 32%, and the special-shaped degree y of DTY is 30%. The maintenance of special-shaped degree Up to 92.5%. This product not only has super bright luster, good moisture absorption performance, but also has a soft and plump feel when processed into fabrics.

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Abstract

The invention provides a method for producing abnormal superbright fully drawn yarns-low stretch yarns, namely a method for preparing abnormal FDY polyester filament yarns into DTY polyester filament yarns. The main DTY technological flow is as follows: after stretching and twisting, heat-setting, oil application and winding of the abnormal FDY filament yarns, the FDY polyester filament yarns are prepared into the DTY polyester filament yarns. The method solves the problems of poor abnormity maintenance and size stability of the abnormal DTY polyester filament yarns and boardy hand feeling of the FDY polyester filament yarns and compensates the defects in the prior art.

Description

technical field [0001] The invention relates to a production method of special-shaped ultra-bright fully drawn yarn-low elastic yarn. Background technique [0002] With people's urgent demand for high-grade and comfortable clothing fabrics, super-bright polyester filaments are in increasing market demand because of their comfort and fashion, good gloss and feel, and good hand feel. However, the glossy polyester filaments currently produced are poor in comfort and softness, the outer surface of the filaments has poor refraction and reflection effects on light, the luster is dull, and there are many hairs, which are easy to break, and the woven fabrics lack softness and brightness. . [0003] At present, most manufacturers use controlled fiber cross-section to achieve high gloss of fibers. The special-shaped cross-section of the fiber includes trilobal, Y-shaped, W-shaped, figure-eight, etc. Among them, the fiber surface of the trilobal cross-section has a unique longitudin...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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Application Information

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IPC IPC(8): D02G1/02D02G1/00D01D5/12D01D5/00
Inventor 丁建中王华平马文平李文刚雷鸣诸亚堃张毅炜赵长玉张学东金国华樊晓群张大伟
Owner JIANGSU HENGLI CHEM FIBER
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