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Digital ink-jet printing method of low-urea silk fabric

A silk fabric and digital inkjet technology, which is applied in dyeing, animal fiber, textiles and papermaking, etc., can solve the problems of unsatisfactory effect and inability to get rid of pollution, so as to reduce the burden of sewage treatment, environmental protection and application effect, and good Effect of Wet Treatment Fastness

Inactive Publication Date: 2014-07-30
ZHEJIANG IND POLYTECHNIC COLLEGE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In terms of using urea substitutes, dicyandiamide (such as Matexil FN-T of ICI Company) and certain additives (such as GOG-01 of Japan Senka Co., Ltd.) are used instead of urea, or the pollution to the environment cannot be avoided. or unsatisfactory

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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  • Digital ink-jet printing method of low-urea silk fabric
  • Digital ink-jet printing method of low-urea silk fabric
  • Digital ink-jet printing method of low-urea silk fabric

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] A kind of low urea real silk fabric digital inkjet printing method of the present embodiment comprises the following steps:

[0027] Fabric pretreatment→radiation drying→jet printing→steaming→cold water washing→hot water washing→soaping→hot water washing→cold water washing→stenter drying.

[0028] (1) Fabric pretreatment refers to the silk fabric after degumming and tentering, which is sizing on one side on the sizing machine. The size includes quaternary ammonium salt cationic modifier, guar gum, sodium bicarbonate, hygroscopic swelling agent, sodium sulfate and water, each composed as follows by weight percentage:

[0029] Quaternary ammonium salt cationic modifier 3%

[0030] Guar Gum 6%

[0031] Sodium bicarbonate 3%

[0032] Sodium Sulfate 3%

[0033] Hygroscopic swelling agent 8%

[0034] The balance is water

[0035] Wherein, the hygroscopic swelling agent is urea and triethylene glycol with a mass ratio of 2:8.

[0036] (2) Dry the silk fabric pretreated ...

Embodiment 2

[0045] A kind of low urea real silk fabric digital inkjet printing method of the present embodiment comprises the following steps:

[0046] Fabric pretreatment→radiation drying→jet printing→steaming→cold water washing→hot water washing→soaping→hot water washing→cold water washing→stenter drying.

[0047] (1) Fabric pretreatment refers to the silk fabric after degumming and tentering, which is sizing on one side on the sizing machine. The size includes quaternary ammonium salt cationic modifier, guar gum, sodium bicarbonate, hygroscopic swelling agent, sodium sulfate and water, each composed as follows by weight percentage:

[0048] Quaternary ammonium salt cationic modifier 6%

[0049] Guar Gum 5%

[0050] Sodium bicarbonate 5%

[0051] Sodium Sulfate 2%

[0052] Hygroscopic swelling agent 6%

[0053] The balance is water

[0054] Wherein, the hygroscopic swelling agent is that the mass ratio of urea to glycerol is 3:7.

[0055] (2) Dry the silk fabric pretreated in ste...

Embodiment 3

[0064] A kind of low urea real silk fabric digital inkjet printing method of the present embodiment comprises the following steps:

[0065] Fabric pretreatment→radiation drying→jet printing→steaming→cold water washing→hot water washing→soaping→hot water washing→cold water washing→stenter drying.

[0066] (1) Fabric pretreatment refers to the silk fabric after degumming and tentering, which is sizing on one side on the sizing machine. The size includes quaternary ammonium salt cationic modifier, guar gum, sodium bicarbonate, hygroscopic swelling agent, sodium sulfate and water, each composed as follows by weight percentage:

[0067] Quaternary ammonium salt cationic modifier 15%

[0068] Guar Gum 12%

[0069] Sodium bicarbonate 6%

[0070] Sodium Sulfate 6%

[0071] Hygroscopic swelling agent 10%

[0072] The balance is water

[0073] Wherein, the hygroscopic swelling agent is triethylene glycol and glycerol with a mass ratio of 1:7.

[0074] (2) Dry the silk fabric pret...

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 relates to a digital ink-jet printing method of a low-urea silk fabric. The method comprises the following steps: firstly, carrying out a single-sided sizing pre-treatment on the silk fabric which is degummed and stentered by a sizing machine containing slurries such as a quaternary ammonium salt cationic modifier, guar gum and a low-urea wet absorption swelling agent; then, drying the fabric by an infrared drier at high frequency; then, jet-printing and steaming and fixing by regenerated active dye base ink; and finally, soaping by modified tea saponin, washing and drying to realize digital ink-jet printing of the low-urea silk fabric. According to the method provided by the invention, the silk fabric has good K / S value, fixation rate and wet-processing fastness, the use level of urea is reduced by 70-80%, and meanwhile, the utilization ratio of the active dye ink is increased, and finally, the burden of sewage treatment is alleviated. The method provided by the invention is a clean production method which satisfies the environmental requirement.

Description

technical field [0001] The invention relates to a digital ink-jet printing method for low-urea silk fabrics, belonging to the technical field of digital ink-jet printing. Background technique [0002] A large amount of urea needs to be added in the printing process of reactive dyes. On the one hand, it acts as a solubilizing effect. On the other hand, urea acts as a hygroscopic and expanding effect. It can release the locked water during steaming, providing favorable conditions for the fixation of dyes and fibers, and making The fibers are fully swollen to accelerate dye fixation. However, when urea is discharged into the water, it is naturally decomposed into carbon dioxide and nitrogen-containing compounds. The latter can accelerate the growth of algal substances and eventually cause water eutrophication. It is also one of the main sources of chemical oxygen demand and ammonia nitrogen pollutants. [0003] The new version of GB 4287-2012 "Water Pollutant Discharge Standar...

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): D06P5/30D06M15/03D06M11/76D06M11/55D06M13/432D06M13/165D06M13/148D06M101/12
Inventor 项伟杨宏林高丽贤李志刚
Owner ZHEJIANG IND POLYTECHNIC COLLEGE
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