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A digital printing process of polyester fabric

A technology of digital printing and polyester fabric, which is applied in the field of digital printing technology of polyester fabric, can solve the problems of high price and high printing cost, and achieve the effect of reducing salt pollution and simple reaction process

Active Publication Date: 2018-10-26
德清县新鑫达丝绸炼染有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But it is more expensive, and the printing cost is relatively high, so it has become a top priority to find a low-cost paste that can be applied to digital printing technology and print fine patterns

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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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] A digital printing process for polyester fabrics, comprising the following steps: fabric sizing → leveling and shaping → drying → spray printing → steaming → cold water washing → hot water washing → soaping → hot water washing → cold water washing → drying;

[0031] The size used in the fabric sizing process is composed as follows by weight percentage: 6% of environmentally friendly printing and dyeing paste, 3.5% of urea, and the balance of water;

[0032] Reactive dyes are used in the spray printing process; the leveling and shaping steps are as follows: after the fabric is sized, it is sent into a hot press, and the hot pressing pressure is 3kgf / cm 2 , the heating temperature is 280°C.

[0033] Described environment-friendly printing and dyeing paste comprises following main components:

[0034] Corn Starch 70%

[0035] Sodium Alginate 7%

[0036] Hydrotalcite 3.5%

[0037] Sodium Hydroxide 1.5%

[0038] Galactomannan 12.5%

[0039] Ethanol 1.5%

[0040] Citri...

Embodiment 2

[0049] A digital printing process for polyester fabrics, comprising the following steps: fabric sizing → leveling and shaping → drying → spray printing → steaming → cold water washing → hot water washing → soaping → hot water washing → cold water washing → drying;

[0050] The size used in the fabric sizing process is composed as follows by weight percentage: 7% of environmentally friendly printing and dyeing paste, 5% of urea, and the balance of water;

[0051] Reactive dyes are used in the spray printing process; the leveling and shaping steps are as follows: after the fabric is sized, it is sent into a hot press, and the hot pressing pressure is 4kgf / cm 2 , the heating temperature is 300°C.

[0052] Described environment-friendly printing and dyeing paste comprises following main components:

[0053] Corn Starch 60%

[0054] Sodium Alginate 8%

[0055] Hydrotalcite 5%

[0056] Sodium Hydroxide 2%

[0057] Galactomannan 15%

[0058] Ethanol 2%

[0059] Citric acid bal...

Embodiment 3

[0068]A digital printing process for polyester fabrics, comprising the following steps: fabric sizing → leveling and shaping → drying → spray printing → steaming → cold water washing → hot water washing → soaping → hot water washing → cold water washing → drying;

[0069] The size used in the fabric sizing process is composed as follows by weight percentage: 5% of environmentally friendly printing and dyeing paste, 3% of urea, and the balance of water;

[0070] Reactive dyes are used in the spray printing process; the leveling and shaping steps are as follows: after the fabric is sized, it is sent into a hot press, and the hot pressing pressure is 2kgf / cm 2 , the heating temperature is 250°C.

[0071] Described environment-friendly printing and dyeing paste comprises following main components:

[0072] Cornstarch 75%

[0073] Sodium Alginate 5%

[0074] Hydrotalcite 3%

[0075] Sodium Hydroxide 1%

[0076] Galactomannan 10%

[0077] Ethanol 1%

[0078] Citric acid balan...

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 digital printing process of a polyester fabric. A used thickener is characterized in that hydrotalcite is added on the basis of traditional thickeners, and by utilizing the special structural properties of hydrotalcite, corn starch modification can be achieved only by adding little sodium hydroxide and ethanol and carrying out joint ball-milling under the action of citric acid. The whole reaction process is simple and organic matters harmful to human bodies are not added, so that a preparation method of the printing and dyeing thickener is environment-friendly.

Description

technical field [0001] The invention relates to the technical field of digital printing, in particular to a digital printing process for polyester fabrics. Background technique [0002] Digital inkjet printing technology is a great expansion of inkjet printing in the field of industrial applications. When modern computer inkjet printing technology is used for textile printing, various input means such as scanners, digital cameras, digital cameras, etc. can be used to digitally input the required patterns into the computer, and then processed by various graphics software printing color separation systems. Finally, through a computer-controlled digital inkjet printing machine, the printing ink is directly sprayed onto various fiber fabrics to print various patterns required. This printing technology is called digital inkjet printing. [0003] In recent years, digital printing technology has developed rapidly. Compared with traditional printing, digital printing has a clean p...

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): D06P1/38D06P1/48D06P1/651D06P1/673D06P1/649
CPCD06P1/38D06P1/48D06P1/6491D06P1/65118D06P1/673
Inventor 金建国
Owner 德清县新鑫达丝绸炼染有限公司