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Elastic filament and processing method for drum dyeing of elastic yarn

An elastic yarn and elastic filament technology, applied in liquid/gas/vapor yarn/filament processing and other directions, can solve the problems of dark yarn color, loss of yarn elasticity, serious wool, etc., and achieve yarn elasticity Even, improve permanent recovery elasticity, smooth surface effect

Active Publication Date: 2006-07-26
SHANGHAI TIQIAO TEXTILE & YARN DYEING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantages of this production process and production method are: in the weaving process of the fabric, the elastic fiber is bound by the weaving tension and the outsourcing fiber; the influence of the dyeing temperature and the drying and setting temperature; the elasticity cannot be fully exerted, and the elasticity uniformity is poor , Poor resilience, poor dyeing saturation, uniformity, same color or no coloring, can only be used on the reverse side of the fabric, once reversed, white bare silk and blemishes will appear on the front of the fabric
With the traditional dyeing of package yarn, due to the strong shrinkage rate of the yarn, the package yarn shrinks tightly and densely, and there are disadvantages such as impermeable dyeing, uneven dyeing, color difference, layer difference, and color flower, even if the winding density is very low. In some cases, if the SSM loose winding machine is used to loosen the cone, it is difficult for the dyed elastic filament or elastic yarn to achieve a suitable shrinkage rate. In severe cases, the yarn loses its elasticity completely.
Dyeing with skein yarn, for filament or high-count core-spun yarn, it is difficult to achieve industrialization due to the reverse twist, difficult winding, serious wool, and large loss and waste of the dyed yarn. Production

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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  • Elastic filament and processing method for drum dyeing of elastic yarn
  • Elastic filament and processing method for drum dyeing of elastic yarn
  • Elastic filament and processing method for drum dyeing of elastic yarn

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] Elastic filament and elastic yarn are the processing method of natural or regenerated cellulose fiber yarn, the long filament of regenerated cellulose fiber coating spandex filament or PTT filament cylinder dyeing, and it comprises the following steps:

[0022] 1-1. Adopt the method of loose winding and reduce the winding density, so that the elastic filament or elastic yarn 1 is loosely wound on the smooth paper tube 2. The diameter of the winding paper tube 2 is 85mm. The density is 0.32g / cm 3 , winding line speed 5.5m / s;

[0023] 1-2. The yarn 1 formed by loose winding is covered with mesh fabric to prevent the yarn from being too loose and slipping;

[0024] 1-3. Under the action of pressure, press the mesh plastic tube 3 used for dyeing the yarn into the paper core, change the diameter of the plastic tube 3 to 60mm, and use the paper tube withdrawal device 4 to withdraw the wound paper tube 2, There is a gap 5 between the bobbin 1 and the plastic tube 3, such as ...

Embodiment 2

[0030] Wool, cashmere, milk fiber yarn and their blended yarns are coated with spandex filament or PTT filament, the loose winding speed is 5m / s, and the winding density is 0.34g / cm 3 1. The diameter of the winding paper tube is 85mm, and the diameter of changing the plastic tube is 60mm, and other processes are the same as in embodiment 1

Embodiment 3

[0032] Spandex filament or PTT filament coated with flax, ramie yarn and their blended yarn, loose winding speed is 7m / s, winding density is 0.33g / cm 3 , the diameter 85mm of winding paper tube, change the diameter 60mm of plastic tube, other technology is the same with embodiment 1.

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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Abstract

The invention relates to a flexible filament and its flexible yarn barrel dye process method, which has the following steps: convoluting the flexible filament or flexible yarn loosely around the slippery paper tube, wrapping them with the netted fabric; pressing the netted plastic tube that the dye barrel yarn used into the paper core, dropping out the wrapped paper tube; rewrapping the exchanged barrel yarn with the plastic tube again and putting them in cross and parallel direction into the flexible yarn swelling, contracting and shaping device, and they receive the first contracting through temperature rising, then the second contracting through the second temperature rising; after the yarn is tightened in the netted plastic tube, caging and dyeing; rising when dyeing to make the yarn contract again; after dyeing, soap washing - water washing - dehydrating - drying-semi - finished product checking - waxing - bobbin-winding - product checking - product casing or weaving.

Description

Technical field: [0001] The invention relates to a processing method for elastic filament and elastic yarn drum dyeing, in particular to a kind of elastic filament or elastic yarn in which the filament or yarn is fully shrunk step by step in the drum dyeing production process to realize Its stretch elasticity and a method of permanent recovery elasticity. Background technique: [0002] Elastic filaments or core-spun elastic yarns have been widely used in the field of textile technology. The traditional production process is generally to embed or incorporate elastic filaments and elastic yarns into fabrics during the weaving or knitting process. Then carry out dyeing process, so that the added elastic filament or elastic yarn shrinks to form elastic fabric. The disadvantages of this production process and production method are: in the weaving process of the fabric, the elastic fiber is bound by the weaving tension and the outsourcing fiber; the influence of the dyeing temper...

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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Patent Type & Authority Applications(China)
IPC IPC(8): D06B3/09
Inventor 董勤霞潘玉明
Owner SHANGHAI TIQIAO TEXTILE & YARN DYEING
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