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Slashing on-line pretreatment sizing method

A technology for pretreatment and sizing, applied in the field of textile processing, can solve the problems of insignificant ability to improve sizing effect, and achieve the effects of improving penetration effect, improving serosal membrane binding force, and improving binding ability.

Inactive Publication Date: 2009-09-09
WUHAN TEXTILE UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the sizing process, in order to improve the sizing performance of the size, we generally add some surfactants and other additives in the size preparation process or the size adjustment process to improve the permeability of the size and the bonding ability of the size and yarn , but because these additives are added to the size tank together with the size, there is no process of fully reacting with the yarn, so the ability to improve the sizing effect is not obvious, so now all need to use pre-wet sizing

Method used

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  • Slashing on-line pretreatment sizing method
  • Slashing on-line pretreatment sizing method
  • Slashing on-line pretreatment sizing method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] Example 1 Pure polyester yarn is pretreated and sized with a sodium hydroxide ethanol solution with a temperature of 25°C and a concentration of 10%.

[0027] After the pure polyester yarn 1 is unwound from the warp beam and passes through the guide roller 8, the atomizing spray device 10 sprays the sodium hydroxide ethanol solution with a temperature of 30°C and a concentration of 5% on the surface of the warp yarn 1, and then passes through the ultraviolet generating device 11 Induce and catalyze the chemical reaction between sodium hydroxide and polyester warp yarn 1. After the reaction, the surface of the polyester fiber in warp yarn 1 produces -OH polar groups, and then it is dried by infrared generator 12. The moisture content of the dried warp yarn 1 is 5%. Then enter the size tank 9, paddle the slurry, and then wind it into a weaving shaft after being dried.

Embodiment 2

[0028] Example 2 Polyester-cotton yarn is pretreated with hydrogen peroxide at a concentration of 65°C and 30% hydrogen peroxide

[0029] After the polyester-cotton warp yarn 1 is unwound from the warp shaft and passes through the guide roller 8, it is immersed in the liquid tank 13 containing 30% hydrogen peroxide at a temperature of 65°C, and the hydrogen peroxide can be mixed with the polyester in the yarn at this temperature. 1. The cotton fiber undergoes an oxidation reaction. After the reaction, the surface of the polyester fiber in the warp yarn 1 produces -OH polar groups, and then the hot air generating device 12 sprays the generated hot air on the warp yarn 1 to dry it at 100 ° C. After drying, The dry warp yarn 1 has a moisture content of about 20%, then enters the size tank 9, pads the slurry, and is wound into a weaving shaft after being dried.

Embodiment 3

[0030] Example 3 Pure polyester yarn is pretreated and sized with an aqueous solution of sodium hydroxide at a temperature of 95°C and a concentration of 5%.

[0031]After the pure polyester yarn 1 is unwound from the warp beam and passes through the guide roller 8, the atomizing spray device 10 sprays the sodium hydroxide ethanol solution with a temperature of 95°C and a concentration of 5% on the surface of the warp yarn 1, and then passes through the microwave generating device 11 Induce and catalyze the chemical reaction between sodium hydroxide and polyester warp yarn 1. After the reaction, the surface of the polyester fiber in warp yarn 1 produces -OH polar groups, and then it is dried by infrared generator 12. The moisture content of the dried warp yarn 1 is 5%. Then enter the size tank 9, paddle the slurry, and then wind it into a weaving shaft after being dried.

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Abstract

The invention relates to a pretreatment method for on-line improving the yarn sizing performance in a sizing machine, belonging to the textile processing field. The technical proposal of the method is that chemical pretreatments of chemical solution soakage of the warp yarns, catalytic reaction of the warp yarns, and the drying treatment of the warp yarns are carried out on the warp yarns before entering into a size box by a yarn guide roller. By adopting the technical proposal of the method, full chemical reaction happens between chemical agent and the warp yarn, thus increasing the combining capacity of the sizing agent; meanwhile, after the warp yarns are dried, solid containing rate of serum in the size box is not affected; in addition, the technical proposal has the function of improving the osmotic effect of the serum in the prewetting of the warp yarns.

Description

technical field [0001] The invention relates to a pretreatment method used on a sizing machine to improve yarn sizing performance on-line, and belongs to the field of textile processing. Background technique [0002] Sizing is an important process in the weaving industry. Although it is only a preparatory process, good sizing can greatly reduce warp breakage in the weaving process, and a good desizing process is conducive to the smooth progress of dyeing. Therefore The factory generally concludes that "sizing the yarn will solve 70% of the weaving problems", which can explain the importance of the sizing preparation process. From the point of view of the matching equipment of the weaving department, one sizing machine needs to supply about 300 looms. From the perspective of production, one minute of sizing production takes one shift of looms. Therefore, the quality of sizing has a great impact on weaving. Process to achieve high yield, high quality, low consumption has a ve...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D06B3/04D06B1/02D06M11/38D06M11/50D06M13/513D06M101/32D06M101/06
Inventor 徐卫林李文斌崔卫钢
Owner WUHAN TEXTILE UNIV
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