CN1035536A - The low chromium of wool rare earth low temperature is saved the colouring method of dyestuff - Google Patents
The low chromium of wool rare earth low temperature is saved the colouring method of dyestuff Download PDFInfo
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- CN1035536A CN1035536A CN 88101153 CN88101153A CN1035536A CN 1035536 A CN1035536 A CN 1035536A CN 88101153 CN88101153 CN 88101153 CN 88101153 A CN88101153 A CN 88101153A CN 1035536 A CN1035536 A CN 1035536A
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- dyeing
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Abstract
The present invention is the improvement of wool acid mordant dye colouring method.The purpose of invention is to solve the dyeing of wool acid mordant dye common process to need high-temp dyeing and mordant dyeing, needs more chromic salts, and the wool damage of dyeing back is more obvious, various problems such as chromium concn height in the dyeing waste-water.The feature of this colouring method is: 70 ℃ of low temperature dyeings of energy and mordant dyeing, reduce the chromic salts 40-60% that mordant dyeing is used, and save acid mordant dye, dyeing time shortens, the wool damage of dyeing back than common process big have alleviate, the dyeing waste-water chromium concn reduces greatly, dyeing quality meets GB.The low chromium of low temperature is saved dye technology and is adopted auxiliary agents such as mixed chlorinated rare earth, formic acid, acetic acid to accomplish in proportion.Colouring method comprises: dye formulation, auxiliary formula, dyeing course.This technology can be widely used in the dyeing of wool acid mordant dye.
Description
The present invention is the improvement of wool acid mordant dye colouring method.
At present, more chromic salts (sodium dichromate or arsenic potassium) is used in 100 ℃ of dyeing of wool acid mordant dye normal dyeing arts demand high temperature, and whole process needs the long period.Thereby dyeing back wool is subjected to damage to a certain degree, and especially dark color is more serious, has influence on the original premium properties of wool textile product.Dyeing energy consumption is big, and dyeing waste-water chromium concn height is seriously polluted.In recent years, though some low chrome dyeing technologies appear, and little with the common process difference, still obviously there is above-mentioned every problem.So far the colouring method of not finding to save acid mordant dye.
The present invention seeks to solve the dyeing of wool acid mordant dye common process and need high-temp dyeing and high temperature mordant dyeing, need with more chromic salts, the wool damage of dyeing back is more obvious, various problems such as dyeing waste-water chromium concn height.
Characteristics of the present invention are: adopt this method dyeing to dye by low temperature (70 ℃), reduce media chromic salts amount 60-40%, save acid mordant dye, dyeing time shortens, the wool damage of dyeing back has greatly than former technology and alleviates, and chromium concn reduces greatly in the dyeing waste-water, and the dyeing quality meets GB.This process energy consumption reduces, and the dyeing cost descends, and dyeing quality improves, and environmental pollution alleviates.
This colouring method has used auxiliary agents such as mixed chlorinated rare earth and formic acid to help to dye.The basic principle of this colouring method is that rare earth ion has powerful osmosis, can impel wool fibre expanded, and scale fully expands, and helps the adsorption and diffusion and the absorption of dyestuff, so the energy low temperature dyeing can be saved dyestuff.Formic acid is except that there being stronger acidity can promote on the dyestuff the dyeing wool, also has certain reducibility, can be lentamente the chromium of the positive sexavalence of chromic salts be reduced to trivalent chromic ion, trivalent chromic ion plays the mordant dyeing effect, thereby has changed the product H that needs in the common process by wool cystine linkage hydrolytic cleavage
2It is the process of trivalent chromic ion that S reduces the chromium of positive sexavalence, and the wool hydrolytic cleavage is significantly reduced, and the wool damage of dyeing back is very little, than former technology improvement is arranged greatly.Rare earth ion also can promote the mordant dyeing of chromium when mordant dyeing, thereby can the low temperature mordant dyeing.Because chromic salts mainly is by the formic acid reduction, and has rare earth to promote the trivalent chromium mordant dyeing, and chromic salts mordant dyeing effect is much improved, and only needs to use the chromic salts of more former technology much less, just can reach the mordant dyeing effect, and chromium concn reduces greatly in the dyeing waste-water.The colouring method that the low chromium of wool rare earth low temperature is saved dyestuff comprises: dye formulation, auxiliary formula, dyeing course.Dye formulation is suitably to reduce dye dosage on the basis of former technology, specifically looks of all kinds number used dyestuff and different, is as the criterion to reach former color and luster requirement.Auxiliary formula is a mixed chlorinated rare earth, formic acid, acetic acid, sulfuric acid, sodium dichromate (potassium), bleeding agent.Dyeing course is 40 ℃ and adds acetic acid, sulfuric acid, formic acid, bleeding agent, mixed chlorinated rare earth, turned round 10 minutes, in 30 minutes, be warmed up to 70-75 ℃, be incubated 45-60 minute, (deciding) on dye level, the insulation later stage is if pin water is darker, then add a certain amount of formic acid, sulfuric acid in batches, make and dye on the dyestuff fully, add formic acid and arsenic then in batches and carry out mordant dyeing, 70-75 ℃ is incubated 30-60 minute, when mordant dyeing forward foot in a step water dye strength is higher, should put partly pin water, add water then to the mordant dyeing again of former bath raio, mordant dyeing is fully washed out cylinder after finishing.
The wool quality of dying system with colouring method of the present invention meets national standard, and the wool damage alleviates greatly than common process.This technology can be used for the acid mordant dye dyeing of loose wool fiber, yarn and goods.
Claims (4)
1, the low chromium of wool rare earth low temperature is saved the colouring method of dyestuff, application mix rare earth chloride and formic acid when it is characterized in that wool dyes with acid mordant dye, can accomplish the low chromium of low temperature (70 ℃) and save dyeing, the wool fibre damage obviously reduces, the dyeing waste-water chromium concn descends greatly, and dyeing quality meets GB.
2, the described colouring method of claim 1 is characterized in that (1) dye formulation suitably reduces dye dosage on former of all kinds dyeing recipe, still can reach former color and luster requirement.(2) auxiliary formula is made up of mixed chlorinated rare earth, formic acid, acetic acid, sodium dichromate (potassium), bleeding agent etc.(3) dyeing course adds acetic acid, formic acid, sulfuric acid, bleeding agent, mixed chlorinated rare earth for 40 ℃, turned round 10 minutes, in 30 minutes, be warmed up to 70-75 ℃, 45-60 minute (deciding) of insulation dyeing on dye level, the insulation later stage is if pin water adds a certain amount of formic acid, sulfuric acid more in batches, make and dye on the dyestuff fully, add formic acid and arsenic then in batches and carry out mordant dyeing, 70-75 ℃ is incubated 30-60 minute.Dye strength is higher in the mordant dyeing forward foot in a step water, should put partly pin water, adds water then and adds arsenic again to former bath raio and carry out mordant dyeing.Mordant dyeing finishes fully to go out cylinder after the washing.
3, according to the colouring method of claim 2, its feature is in the dyeing that can be used for loose wool fiber or textiles.
4, according to the colouring method of claim 2, it is characterized in that auxiliary formula, also can mix in proportion in advance, make the low chromium of wool low temperature and save the special assistant of dyeing method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 88101153 CN1035536A (en) | 1988-03-01 | 1988-03-01 | The low chromium of wool rare earth low temperature is saved the colouring method of dyestuff |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 88101153 CN1035536A (en) | 1988-03-01 | 1988-03-01 | The low chromium of wool rare earth low temperature is saved the colouring method of dyestuff |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1035536A true CN1035536A (en) | 1989-09-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 88101153 Pending CN1035536A (en) | 1988-03-01 | 1988-03-01 | The low chromium of wool rare earth low temperature is saved the colouring method of dyestuff |
Country Status (1)
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| CN (1) | CN1035536A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102206923A (en) * | 2011-04-02 | 2011-10-05 | 西安工程大学 | Method for dyeing wool fibres by using acidic mordant dye |
| CN103696283A (en) * | 2013-12-09 | 2014-04-02 | 常熟市爱博尔服饰有限公司 | Dyeing process of acid dye |
| CN105544242A (en) * | 2015-12-30 | 2016-05-04 | 江阴市长泾花园毛纺织有限公司 | Low-temperature dyeing technology for wool fabric |
| CN107881813A (en) * | 2017-11-17 | 2018-04-06 | 桐乡市濮院毛针织技术服务中心 | A kind of woolen dyed auxiliary agent |
| CN108660798A (en) * | 2018-04-27 | 2018-10-16 | 张定五 | Rare earth dyeing process |
| CN108894017A (en) * | 2018-06-04 | 2018-11-27 | 晋江市隆盛针织印染有限公司 | The method of natural plant dye dyeing cotton fabric |
| CN112962334A (en) * | 2019-12-13 | 2021-06-15 | 苏州麻朵纺织科技有限公司 | Natural dyeing auxiliary for dyeing sorghum husk pigment plants and dyeing method |
-
1988
- 1988-03-01 CN CN 88101153 patent/CN1035536A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102206923A (en) * | 2011-04-02 | 2011-10-05 | 西安工程大学 | Method for dyeing wool fibres by using acidic mordant dye |
| CN102206923B (en) * | 2011-04-02 | 2013-06-26 | 西安工程大学 | Method for dyeing wool fibres by using acidic mordant dye |
| CN103696283A (en) * | 2013-12-09 | 2014-04-02 | 常熟市爱博尔服饰有限公司 | Dyeing process of acid dye |
| CN105544242A (en) * | 2015-12-30 | 2016-05-04 | 江阴市长泾花园毛纺织有限公司 | Low-temperature dyeing technology for wool fabric |
| CN105544242B (en) * | 2015-12-30 | 2018-01-09 | 江阴市长泾花园毛纺织有限公司 | A kind of low temperature dyeing technique of wool fabric |
| CN107881813A (en) * | 2017-11-17 | 2018-04-06 | 桐乡市濮院毛针织技术服务中心 | A kind of woolen dyed auxiliary agent |
| CN108660798A (en) * | 2018-04-27 | 2018-10-16 | 张定五 | Rare earth dyeing process |
| CN108894017A (en) * | 2018-06-04 | 2018-11-27 | 晋江市隆盛针织印染有限公司 | The method of natural plant dye dyeing cotton fabric |
| CN112962334A (en) * | 2019-12-13 | 2021-06-15 | 苏州麻朵纺织科技有限公司 | Natural dyeing auxiliary for dyeing sorghum husk pigment plants and dyeing method |
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