Wide dyed flannelette processing method

A processing method and wide-width dyeing technology, which is applied in the field of home textiles, can solve the problems of long air supply path, different fiber arrangement, and aggravated color difference between edges, etc., to achieve high quality and uniform color effect

Inactive Publication Date: 2019-06-18
JIANGSU GOLDSUN TEXTILE SCI & TECH
13 Cites 1 Cited by

AI-Extracted Technical Summary

Problems solved by technology

Second, in terms of dyeing and finishing, local differences in sanding or napping equipment, such as different wear degrees of sanding or card clothing, will also aggravate the color difference in the edge
The third is the dyeing process, softening process, etc., will affect the color difference in the edge of the dyed flannelette
But the problem is that the installation of auxiliary nozzles will lead to too long air supply path. When the weft yarn is thick or there are several different weft yarns, weft shrinkage defects may ...
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Abstract

The invention discloses a wide dyed flannelette processing method. The wide dyed flannelette processing method comprises gray fabric weaving and dyeing and finishing, wherein gray fabric weaving comprises performing weaving on an air-jet loom and sequentially performing processes of warping, warp sizing, drawing-in, reeding, dropper penetrating, weft twist setting and weft insertion weaving to obtain a gray fabric, wherein the processes of weft twist setting and weft insertion weaving are implemented synchronously; during the process of weft twist setting, the yarn supply side of the weft insertion system of the air-jet loom is additionally provided with a yarn twist setting device; during weaving, weft yarns pass through the yarn twist setting device and then enter into sheds, and the yarn twist setting device spray sizing agent onto the head ends of the weft yarns. During wide fabric weaving, the weft yarns pass through the twist setting device and then enter into the sheds, and by spraying the sizing agent onto the head ends 25-20 mm long of the weft yarns, the head ends of the weft yarns can maintain stable twist and be less prone to untwisting, thereby avoiding affecting the hand feeling or other indexes of the woven fabric; after being sanded and dyed, the fabric can be uniform in color between the edge and the middle and high in sense of quality.

Application Domain

LoomsFibre treatment +1

Technology Topic

SizingWoven fabric +4

Image

  • Wide dyed flannelette processing method

Examples

  • Experimental program(2)

Example Embodiment

[0026] Example 1
[0027] Specification: 105”/JC100s/2*C40s/200*(50+50), the organization is 4/1 satin, the warp yarn is 100s/2 combed compact spinning of cotton, and the weft is 100s combed compact spinning of cotton 40s.
[0028] The weaving process includes the following steps: warping → warp sizing → threading brown → reed threading → threading and stopping warp piece → weft fixing twist → weft insertion weaving.
[0029] The weft fixing device includes 2 nozzles, a slurry tank, a connecting pipe and an electronic spray control system. The nozzle is installed above or on the side between the main nozzle and the reed. The nozzle is connected to the slurry tank through the connecting pipe and connected at the same time. Electronic injection control system. The shape of the nozzle hole is circular. When weaving, the weft yarn first passes through the nozzle part and then enters the shed under the action of the main nozzle airflow. Under the action of the electronic jet control system, the nozzle directional jets the slurry at 25mm from the head end of each weft.
[0030] The dyeing and finishing process of the fabric is: grey cloth singeing → desizing → scouring → bleaching → tentering setting → sanding → reactive dye dyeing → soft setting → preshrinking.
[0031] The obtained fabric has a color difference of grade 4 after being sanded, a soft hand value of 84.3, and indexes such as strength, shrinkage, and color fastness are qualified and meet the requirements of bedding fabrics.

Example Embodiment

[0032] Example 2
[0033] Specification: 106.5”/32s (viscose/polyester 80/20)*32s (viscose/polyester 80/20)/133*72, the organization is 3/1 twill, in which the warp and weft are made of viscose/polyester blended Siro compact spinning 32s.
[0034] The weaving process includes the following steps: warping → warp sizing → threading brown → reed threading → threading and stopping warp piece → weft fixing twist → weft insertion weaving.
[0035] The weft fixing device includes a nozzle, a slurry tank, a connecting pipe and an electronic jet control system. The nozzle is installed on the side between the main nozzle and the reed. The nozzle is connected to the slurry tank through the connecting pipe and is connected to the electronic jet control at the same time. system. The shape of the nozzle hole is circular. When weaving, the weft yarn first passes through the nozzle part and then enters the shed under the action of the main nozzle airflow. Under the action of the electronic jet control system, the nozzle jets the slurry directionally at 30mm from the head end of each weft.
[0036] The dyeing and finishing process of the fabric is: grey cloth singeing → ginase cold pile → stenter setting → sanding → reactive dye and disperse dye dyeing → soft setting → preshrinking.
[0037] The obtained fabric has a color difference of grade 4, a soft hand value of 86.3, strength, shrinkage, and color fastness, and meets the requirements of bedding fabrics.

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Description & Claims & Application Information

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