Paint-indigo stereo overdyeing and fixation desizing-free sizing and dyeing process for jean blended warps

A desizing-free and denim-free technology, which is applied in the field of textile printing and dyeing, can solve the problems of indigo color fastness to be improved, weak three-dimensional sense or layering, desizing wastewater pollution, etc. Water performance for consistent results

Inactive Publication Date: 2014-08-27
广州市唯佳安达新材料科技有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In order to solve the existing indigo overdyeing and weaving process of denim blended warp yarns, the defects such as uneven dyeing, indigo fastness to be improved, weak three-dimensional or layered feeling between colors, and large pollution of desizing...

Method used

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  • Paint-indigo stereo overdyeing and fixation desizing-free sizing and dyeing process for jean blended warps
  • Paint-indigo stereo overdyeing and fixation desizing-free sizing and dyeing process for jean blended warps
  • Paint-indigo stereo overdyeing and fixation desizing-free sizing and dyeing process for jean blended warps

Examples

Experimental program
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Effect test

Embodiment 1

[0032] Prepare the self-crosslinking polyacrylate emulsion slurry (coating) containing blue paste FHYN (Zhuhai Yuchang Chemical Co., Ltd. provides) according to the method of invention patent embodiment 1 of publication number (CN103194917A), and the specific preparation method is:

[0033] Firstly, a transparent polyacrylate emulsion slurry without colorant was prepared according to the following formula (in parts by weight).

[0034]

[0035] Soft monomer butyl acrylate and methyl acrylate in the above-mentioned formula, hard monomer acrylic acid, methyl methacrylate and acrylonitrile, functional monomer methacrylate derivative HA, emulsifier (by weight ratio is 1: 1:2 composition of di-n-butyl sodium sulfosuccinate, disodium decyl polyoxyethylene ether sulfosuccinate and flat plus 0‐10) and 2 / 3 deionized water of the weight of the above formula are mixed at room temperature, The pre-emulsion was prepared by stirring for 20 min under the condition of 1000 r / min at a rotat...

Embodiment 2

[0050] Prepare the self-crosslinking polyacrylate emulsion slurry (coating) containing the scarlet pulp TRL (provided by Zhuhai Yuchang Chemical Co., Ltd.) according to the method of invention patent embodiment 2 of publication number (CN103194917A), and the specific preparation method is:

[0051]Firstly, a transparent polyacrylate emulsion slurry without colorant was prepared according to the following formula (in parts by weight).

[0052]

[0053]

[0054] Soft monomer, hard monomer, functional monomer and emulsifier in the above-mentioned formula (by weight ratio are 0.5:1:1.5 sodium di-n-butyl sulfosuccinate, decyl polyoxyethylene sulfosuccinate Disodium ester and flat plus 0‐10) and 2 / 3 of the above formula weight deionized water were mixed at room temperature and the rotation speed was 1000r / min and stirred for 20min to prepare a pre-emulsion; the initiator in the above formula was used in the formula 1 / 10 of the weight of deionized water in the reactor was disso...

Embodiment 3

[0067] According to the above-mentioned method of the invention patent embodiment 2 of the present application, firstly prepare a transparent self-crosslinking polyacrylate emulsion slurry without color paste, and then add the above-mentioned transparent self-crosslinking polyacrylate emulsion into the stirring tank , under the condition of stirring at a medium speed of 300r / min, in parts by weight, 1 part of lubricant (0.5 parts each of GWA-L and amphoteric silicone oil DC200, Shanghai Hongtai Chemical Co., Ltd.), 6 parts of paint color paste (Zhuhai City Yellow pulp (H10G) provided by Yuchang Chemical Co., Ltd., 0.05 part of defoamer (TEGO-810) and 0.2 part of thickener hydroxyethyl cellulose HEC were slowly added to the above self-crosslinking polyacrylate emulsion in sequence, and stirred for 0.5 After one hour, it was discharged, filtered, and packaged to obtain a self-crosslinking polyacrylate emulsion slurry containing yellow slurry H10G (provided by Zhuhai Yuchang Chemi...

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Abstract

The invention discloses a paint-indigo stereo overdyeing and fixation desizing-free sizing and dyeing process for jean blended warps. The process comprises the following steps: diluting self-crosslinking polyacrylate emulsion slurry containing color paste with water, carrying out uniform mixing with stirring, carrying out slurry groove dip-dyeing sizing and roller pad dyeing sizing on the jean blended warps so as to realize sizing and dyeing, drying the jean blended warps having undergone sizing and dyeing with a drying drum, then carrying out self-crosslinking and solidification, then further carrying out sizing coating and dye fixation on the jean blended warps by using self-crosslinking polyacrylate emulsion slurry not containing color paste, carrying out drying with the drying drum, self-crosslinking and solidification and then carrying out overdyeing with indigo; and further carrying out sizing coating and dye fixation on the jean blended warps having undergone overdyeing with indigo by using the self-crosslinking polyacrylate emulsion slurry not containing color paste again. According to the invention, pigment printing paste and indigo are respectively coated by a layer of a transparent self-crosslinking polyacrylate emulsion slurry membrane for dye fixation, so color fastness of two colors are substantially improved, new colored light hardly forms, and good stereoscopic sensation or layering sensation is obtained.

Description

technical field [0001] The invention relates to a desizing-free sizing and dyeing process, in particular to a denim blended warp yarn indigo three-dimensional color registration, color fixation and desizing-free sizing dyeing process; it belongs to the technical field of textile printing and dyeing. Background technique [0002] The processing of denim usually goes through processes such as warp dyeing, sizing, weaving, desizing, and finishing. The warp is mainly dyed with traditional indigo dyes, and sometimes some sulfur dyes or other vat dyes are also used. Indigo is a vat dye, and dyeing needs to go through processes such as dye reduction, leuco dyeing, and leuco oxidation. Because indigo dyes are usually insoluble in water and have low affinity for fibers, in an alkaline solution, the indigo must be reduced to a water-soluble leuco-sodium salt with a reducing agent. After the leuco body is dyed on the cotton fiber, it is oxidized and transformed into the original insol...

Claims

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Application Information

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IPC IPC(8): D06P1/00D06P1/52D06P1/673D06P3/82D06M15/263C08F220/18C08F220/14C08F220/46C08F222/14D06M101/06D06M101/32
Inventor 张志军程江皮丕辉
Owner 广州市唯佳安达新材料科技有限公司
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