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Desizing liquid for ramie fabric and desizing method of ramie fabric

A fabric and desizing technology, applied in textiles, papermaking, dry-cleaning fiber products, etc., can solve problems such as hindering the contact between dyeing materials and fibers, affecting the quality of printing and dyeing products, and unfavorable printing and dyeing processing, and achieves improved hand feel, high wool efficiency and mechanical properties. , the effect of high desizing rate

Active Publication Date: 2015-07-15
谢燕芬
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Sizing on gray cloth is unfavorable to printing and dyeing processing, because the existence of sizing will contaminate the finishing fluid, consume dyeing materials, and even hinder the contact between dyeing materials and fibers, affecting the quality of printing and dyeing products

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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  • Desizing liquid for ramie fabric and desizing method of ramie fabric
  • Desizing liquid for ramie fabric and desizing method of ramie fabric

Examples

Experimental program
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Effect test

Embodiment 1

[0023] Table 1: Formula table of desizing solution (aqueous solution) for ramie fabric

[0024]

[0025] According to the corresponding data in Table 1, each raw material was weighed. The binuclear manganese complex [Mn 2 IV (μ-O) 3 (Me 3 TACN) 2 ][PF 6 ] 2 ·H 2 Add O, lactic acid, hydrogen peroxide, sodium 4-(2-nonanoyloxyethoxycarbonyloxy)benzenesulfonate and iron (III) sodium salt of N-carboxymethyl-N-methylglycinate to water, and then add hydrogen sodium oxide, adjust the pH value to 12, and stir evenly to obtain the desizing liquid for the ramie fabric.

[0026] Immerse the ramie fabric in the desizing solution prepared above at room temperature, the bath ratio is 1:20, raise the temperature to 70°C, and soak for 60min while keeping the temperature at 70°C; steam at 100°C for 50min, and then wash with water for 40min ,dry.

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 discloses desizing liquid for ramie fabric and a desizing method of the ramie fabric. The pH value of the desizing liquid for the ramie fabric is 11-12; and the desizing liquid consists of the following components: 1-3g / L of lactic acid, 4-8g / L of hydrogen peroxide, 2-4mumol / L of a dinuclear manganese complex, 1-3g / L of 4-(2-nonanoyloxyethoxycarbonyloxy) sodium benzene sulfonate, 0.5-1.5g / L of N-carboxymethyl-N-iron methylglycine (III) sodium salt and a proper amount of sodium hydroxide. By adopting the desizing liquid disclosed by the invention to perform desizing treatment on the ramie fabric, the desizing rate is high, the obtained desized fabric has a high capillary effect and a high mechanical performance and is favorable for performing successive dyeing and finishing technologies, and the successive dyeing and finishing quality is guaranteed; and moreover, the hand feeling of the fabric is improved since size is effectively removed.

Description

technical field [0001] The invention relates to a desizing liquid for fabrics and a desizing method for fabrics, in particular to a desizing liquid for ramie fabrics and a desizing method for ramie fabrics. Background technique [0002] In the textile dyeing and finishing process, the fabric with yarn as warp must be sizing before weaving to improve the strength, wear resistance and smoothness of warp yarn, thereby reducing warp yarn breakage and ensuring smooth weaving. The sizing materials used for warp yarn sizing include natural sizing materials such as starch and wild starch, chemical sizing materials such as polyvinyl alcohol (PVA), polyacrylic acid (PAA), and cellulose preparations such as carboxymethyl cellulose (CMC). Other ingredients such as preservatives, softeners, hygroscopic agents, wear-reducing agents, etc. are also added to the sizing solution. The warp sizing rate is related to fiber quality, yarn count, density, etc. For fabrics with fine yarn count and ...

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 Patents(China)
IPC IPC(8): D06L1/14
Inventor 黄美蓉
Owner 谢燕芬
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