CN104562807A - Active ground color discharge printing technology for pure cotton knitted fabric by adopting vat dye - Google Patents
Active ground color discharge printing technology for pure cotton knitted fabric by adopting vat dye Download PDFInfo
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- CN104562807A CN104562807A CN201310487520.5A CN201310487520A CN104562807A CN 104562807 A CN104562807 A CN 104562807A CN 201310487520 A CN201310487520 A CN 201310487520A CN 104562807 A CN104562807 A CN 104562807A
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- printing
- rongalite
- discharge
- dye
- vat
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Abstract
The invention discloses an active ground color discharge printing technology for pure cotton knitted fabric by adopting vat dye. The technological process comprises steps as follows: preparation of discharge paste, printing, aging, cold water washing, ventilation and oxidation, hot water washing, soaping, cold water washing and drying. On one hand, rongalite reduces the vat dye to vat acid, has affinity on fiber and effectively dyes the fiber, and on the other hand, the rongalite destroys the chromophoric group of the ground color dye; by means of alkaline agents such as sodium bicarbonate or sodium carbonate and the like, the rongalite is more stable in alkaline printing paste, so that vat acid of the dye is prompted to be leuco sodium salt to be dissolved, acidic substances produced during rongalite decomposition is neutralized, fiber strength is prevented from being damaged, and color development of the vat dye is facilitated; and a formula for basic white discharge paste can be determined according to the discharge printing effect of a sample of a client, printing discharge paste is prepared rapidly, and the production efficiency is improved.
Description
Technical field
The invention belongs to printing technology, be specifically related to the active blotch printing technique of a kind of pure cotton knitted fabric reducing dye discharge.
Background technology
DISCHARGE PRINTING obtains with printing method local cancellation is original the technical process producing white or chromatic pattern on the fabric dyeed.The color and luster of dye on fabric is called ground colour, and the chemicals of cancellation ground colour (background color) is called discharging agent.During DISCHARGE PRINTING, first print with the printing paste containing discharging agent on ground colour, through decatize after oven dry, namely ground colour dyestuff is decomposed, and can wash removing.On ground colour, obtain the technique of white decorative pattern with the printing paste only containing discharging agent, be called white discharge; Add not affect by discharging agent in DISCHARGE PRINTING slurry and also to decompose in the process of ground colour dyestuff in decatize the dyestuff contaminated simultaneously in fiber, ground colour prints to obtain the technique of chromatic pattern, be called colored discharge printing.The feature of DISCHARGE PRINTING is the pattern that can print comparatively careful on the fabric of ground colour, has and spends effect even clearly.Easily there is imbibition and bleeding phenomenon in the active background color of current pure cotton knitted fabric reducing dye discharge.
Summary of the invention
In order to overcome the above-mentioned defect that prior art field exists, the object of the invention is to, providing a kind of pure cotton knitted fabric reducing dye discharge active blotch printing technique, enhancing productivity.
The active blotch printing technique of pure cotton knitted fabric reducing dye discharge provided by the invention, technological process comprises: modulation look pulls out slurry one stamp one and evaporates (102 DEG C, 8-10min) cold wash one ventilative oxidation one hot water wash one and to soap cold wash one oven dry.Fill a prescription as follows:
Look pulls out the composition of slurry:
Reducing dye suspension 2% ~ 6%
Soda ash 2% ~ 5%
Brightening agent VBL 0.2%
Basis whitening pulp 90%
The composition of reducing dye suspension:
Ultra-fine reduction dyestuff l8% ~ 35%
Glycerine l0% ~ 20%
Water 40% ~ 70%
The composition of basis whitening pulp:
Rongalite 12% ~ 20%
Soda ash 6%
Calgon 1%
Salt 2%
12% starch ether plasmoid 27% ~ 33%
8% sodium alginate slurry 30% ~ 35%
Water 5% ~ 25%.
The active blotch printing technique of pure cotton knitted fabric reducing dye discharge provided by the invention, its beneficial effect is, rongalite makes reducing dye be reduced into vat acid on the one hand, has affinity to fiber, contaminate fiber effectively, destroy the chromophoric group of background color dyestuff on the other hand.The alkaline agent such as sodium bicarbonate or soda ash can make rongalite more stable in alkaline print paste, dyestuff vat acid is impelled to become leuco compound sodium salt and dissolve, in and rongalite decompose time produce acidic materials, in order to avoid make the brute force of fiber impaired, be conducive to reducing dye color development.Can print according to pulling out of client's sample the prescription that effect determines basic whitening pulp, fast modulation stamp look pulls out slurry, enhances productivity.
Detailed description of the invention
Below in conjunction with an embodiment, the active blotch printing technique of pure cotton knitted fabric reducing dye discharge provided by the invention is described in detail.
Embodiment
Technological process comprises: modulation look pulls out slurry one stamp one and evaporates (102 DEG C, 8-10min) cold wash one ventilative oxidation one hot water wash one and to soap cold wash one oven dry.Fill a prescription as follows:
Look pulls out the composition of slurry:
Reducing dye suspension 2% ~ 6%
Soda ash 2% ~ 5%
Brightening agent VBL 0.2%
Basis whitening pulp 90%
The composition of reducing dye suspension:
Ultra-fine reduction dyestuff l8% ~ 35%
Glycerine l0% ~ 20%
Water 40% ~ 70%
The composition of basis whitening pulp:
Rongalite 12% ~ 20%
Soda ash 6%
Calgon 1%
Salt 2%
12% starch ether plasmoid 27% ~ 33%
8% sodium alginate slurry 30% ~ 35%
Water 5% ~ 25%.
Claims (1)
1. the active blotch printing technique of pure cotton knitted fabric reducing dye discharge, is characterized in that: fill a prescription as follows:
Look pulls out the composition of slurry:
Reducing dye suspension 2% ~ 6%
Soda ash 2% ~ 5%
Brightening agent VBL 0.2%
Basis whitening pulp 90%
The composition of reducing dye suspension:
Ultra-fine reduction dyestuff l8% ~ 35%
Glycerine l0% ~ 20%
Water 40% ~ 70%
The composition of basis whitening pulp:
Rongalite 12% ~ 20%
Soda ash 6%
Calgon 1%
Salt 2%
12% starch ether plasmoid 27% ~ 33%
8% sodium alginate slurry 30% ~ 35%
Water 5% ~ 25%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310487520.5A CN104562807A (en) | 2013-10-18 | 2013-10-18 | Active ground color discharge printing technology for pure cotton knitted fabric by adopting vat dye |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310487520.5A CN104562807A (en) | 2013-10-18 | 2013-10-18 | Active ground color discharge printing technology for pure cotton knitted fabric by adopting vat dye |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104562807A true CN104562807A (en) | 2015-04-29 |
Family
ID=53079825
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310487520.5A Pending CN104562807A (en) | 2013-10-18 | 2013-10-18 | Active ground color discharge printing technology for pure cotton knitted fabric by adopting vat dye |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104562807A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109466167A (en) * | 2018-09-17 | 2019-03-15 | 宣城凯欧纺织有限公司 | A kind of efficient discharge printing equipment and printing method |
| CN113047064A (en) * | 2021-04-13 | 2021-06-29 | 山东魏桥特宽幅印染有限公司 | Preparation method of Vaseline dyeing and whitening one-bath printing and dyeing |
-
2013
- 2013-10-18 CN CN201310487520.5A patent/CN104562807A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109466167A (en) * | 2018-09-17 | 2019-03-15 | 宣城凯欧纺织有限公司 | A kind of efficient discharge printing equipment and printing method |
| CN113047064A (en) * | 2021-04-13 | 2021-06-29 | 山东魏桥特宽幅印染有限公司 | Preparation method of Vaseline dyeing and whitening one-bath printing and dyeing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150429 |
|
| WD01 | Invention patent application deemed withdrawn after publication |