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Finishing agent for pretreatment of digital ink-jet printing of cotton fabric and preparation method and use method of finishing agent

A digital inkjet and cotton fabric technology, applied in physical treatment, fiber treatment, dyeing, etc., can solve the problems of easy decline in fabric comfort and strength, and high cost of cotton fabric pretreatment, so as to improve pretreatment effect and improve affinity Water-based, the effect of avoiding the deterioration of fabric softness

Inactive Publication Date: 2019-08-23
浙江海印数码科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The purpose of the present invention is to provide a finishing agent for digital inkjet printing pretreatment of cotton fabrics, starting from solving the problems of high pretreatment cost of cotton fabrics in the prior art, and the comfort and strength of the treated fabrics are easy to decline, The finishing agent has good affinity with cotton fabrics and can effectively improve the surface properties of cotton fabrics. When the finished cotton fabrics are printed by inkjet, the ink can quickly penetrate the surface of cotton fabrics, which improves the speed of inkjet printing and coloring. rate, the color fastness of cotton fabrics is also effectively improved

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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  • Finishing agent for pretreatment of digital ink-jet printing of cotton fabric and preparation method and use method of finishing agent

Examples

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Embodiment 1

[0039] A preparation method for a finishing agent for digital inkjet printing pretreatment of cotton fabrics, characterized in that it comprises the following steps:

[0040] (1) Dissolve titanium tetrachloride in absolute ethanol, then add dropwise deionized water, stir and hydrolyze for 1h at room temperature, then ultrasonically treat for 30min at a power of 1000W to obtain a suspension, which is added to In the mixed emulsion of methyl acrylate, ethyl acrylate, sodium lauryl sulfate, and deionized water, stir and mix evenly, then add potassium persulfate, stir and react at 80°C for 1 hour, cool to room temperature after the reaction, filter, and The solid is directly added to the xanthan gum solution with a mass concentration of 5%, stirred and mixed for 30 minutes, filtered, and the solid is dried at 80° C. for 5 hours to prepare nano-titanium oxide particles supported by xanthan gum microcapsules of double-walled materials; Among them, the mass ratio of titanium tetrachl...

Embodiment 2

[0045] A preparation method for a finishing agent for digital inkjet printing pretreatment of cotton fabrics, characterized in that it comprises the following steps:

[0046] (1) Dissolve titanium tetrachloride in absolute ethanol, then add dropwise deionized water, stir and hydrolyze for 1h at room temperature, then ultrasonically treat for 30min at a power of 1000W to obtain a suspension, which is added to In the mixed emulsion of methyl acrylate, ethyl acrylate, sodium lauryl sulfate, and deionized water, stir and mix evenly, then add potassium persulfate, stir and react at 80°C for 3 hours, cool to room temperature after the reaction, filter, and The solid is directly added to the xanthan gum solution with a mass concentration of 5%, stirred and mixed for 60 minutes, filtered, and the solid is dried at 80° C. for 5 hours to prepare nano-titanium oxide particles supported by xanthan gum microcapsules of double-walled materials; Among them, the mass ratio of titanium tetrach...

Embodiment 3

[0051] A preparation method for a finishing agent for digital inkjet printing pretreatment of cotton fabrics, characterized in that it comprises the following steps:

[0052] (1) Dissolve titanium tetrachloride in absolute ethanol, then add dropwise deionized water, stir and hydrolyze for 1h at room temperature, then ultrasonically treat for 30min at a power of 1000W to obtain a suspension, which is added to In the mixed emulsion of methyl acrylate, ethyl acrylate, sodium lauryl sulfate, and deionized water, stir and mix evenly, then add potassium persulfate, stir and react at 80°C for 1.5h, cool to room temperature after the reaction, filter, The solid is directly added to the xanthan gum solution with a mass concentration of 5% without drying, stirred and mixed for 40 minutes, filtered, and the solid is dried at 80 ° C for 5 hours to prepare nano-titanium oxide particles supported by double-walled xanthan gum microcapsules Wherein, the mass ratio of titanium tetrachloride, m...

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 provides a finishing agent for pretreatment of digital ink-jet printing of cotton fabric. The finishing agent comprises, by weight, 1-4 parts of double-wall xanthan gum microcapsules loaded nanometer titanium oxide particles, 1-3 parts of nanometer carboxylated chitosan microspheres, 2-4 parts of sodium alginate, 8-13 parts of urea, 1-3 parts of calcium chloride, 1-1.5 parts of a thickener, 0.6-1.2 parts of a crosslinking agent EH and 40-80 parts of deionized water. The invention further discloses a preparation method and use method of the finishing agent. The finishing agent hasgood affinity with the fabric and can effectively improve the surface properties of the cotton fabric; the combination of the cotton fabric after finishing and ink-jet ink is good, so that ink can spread rapidly on the surface of the cotton fabric during ink-jet printing, and the color fastness of the cotton fabric is improved.

Description

[0001] Technical field: [0002] The invention relates to the field of fabric inkjet printing, in particular to a finishing agent for digital inkjet printing pretreatment of cotton fabrics, a preparation method and a use method thereof. [0003] Background technique: [0004] Digital inkjet printing is a new printing technology developed in the past 20 years. It has advantages that traditional printing cannot achieve. It is known as one of the key technologies for the revolution of the dyeing and finishing industry in the 21st century. Inkjet printing is a new printing method developed based on the principle that small fluids are split into droplets. Printing is an important process in the textile production process. It can not only provide consumers with colorful textile products, but also greatly increase the added value of textiles. Traditional textile printing needs to decompose the printed pattern into different colors, make a pattern, and then use the printing machine to...

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): D06M23/12D06M15/03D06M15/13D06M11/155D06M13/432D06P1/44D06P1/48D06P1/649D06P1/673D06P3/60D06P5/00D06P5/30D06M101/06
CPCD06M10/00D06M11/155D06M13/432D06M15/03D06M15/13D06M23/12D06M2101/06D06P1/445D06P1/48D06P1/6491D06P1/673D06P3/60D06P5/002D06P5/30
Inventor 宋水友宋丽娜
Owner 浙江海印数码科技有限公司
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