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Reactive dyestuff dyeing and fixing technique and printing and dyeing auxiliary agent used for the same

A technology of reactive dyes and printing and dyeing auxiliaries, which can be used in dyeing, textiles and papermaking, and can solve the problems of large amount of alkaline color fixing agent and low cost

Inactive Publication Date: 2008-04-30
罗海航 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But the main problem is that while removing a cheap salt (~700 yuan / ton, the dosage is 20-150% of the weight of the dyed textile), another more expensive ingredient (~30,000 yuan) is added / ton, the amount is 2-12% of the weight of the dyed textile); meanwhile, the amount of alkaline color fixing agent required is still very large; some even need to add a large amount of salt and other auxiliary additives; the total cost not dominant
[0032] To sum up, so far, no one has completely abandoned, or not mainly relied on, sodium carbonate as a dye-fixing alkali agent, and completely abandoned, or not mainly relied on, salt as a dye accelerator; or Conversely: no one will completely abandon it, or not mainly rely on salt to promote dyeing and completely abandon it, or not mainly only use a kind of dosage that is controlled at no more than the amount of sodium carbonate, and can also play a good role. The dyeing and fixing effect of reactive dyes and the printing and dyeing auxiliaries that are beneficial to the characteristics of various dyeing routes of reactive dyes

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

example 1

[0084] Example 1 Normal temperature and pressure dyeing of a certain type of cotton knitted fabric

[0085]In the old-fashioned 4-tube normal temperature and pressure dyeing machine with a volume of 400Kg produced by Taiwan Tobu Seiki Co., Ltd. in 1996, 286Kg of pre-treated 32s cotton knitted jersey was worn; water was added and the car was driven; the pre-weighed Add 18Kg of black dye made of red, yellow and blue certain type of double active group reactive dyes of a certain company into the chemical material tank, homogenize with an appropriate amount of hot water, and add it to the dyeing machine at one time; after 10 minutes, put 150Kg of sodium sulfate in the chemical Melt water in the material vat and add it to the vat; run for 10 minutes; directly raise the temperature to 60°C, add 7.5Kg of Shanghai Xinfa High-tech Co., Ltd. high-efficiency active dyeing and fixing one-bath accelerator SBS-169 into the dyeing vat at one time, and keep the temperature constant After 80 m...

example 2

[0087] Example 2 Extend the effect of a commercially available liquid color-fixing alkali SH from one to two

[0088] With reference to the method of example 1, the dyestuff can be changed into a certain color 17.4Kg composed of a certain type of reactive dye of any company, red, yellow and blue. 160Kg; dyeing a certain type of knitted fabric 300Kg; the dyeing depth is consistent with the sample. Compared with the original use of color-fixing alkali (or substitute alkali) SH, it saves 300Kg more sodium sulfate, saves nearly one ton of steam, and more than 5 tons of water; One, expanded to be used in two functions of greatly reducing the amount of salt used as a dyeing accelerator at the same time. The extended usage of Example 1 is applicable to this example.

example 3

[0089] Example 3 High temperature and high pressure dyeing of a certain type of knitted fabric

[0090] Use a certain type of high temperature and high pressure jet dyeing machine to dye 500Kg of a certain type of knitted fabric that has been pretreated. The dye is a certain type of reactive 3B red from a certain company, with a dosage of 6%, and 150Kg of sodium sulfate; after the cloth is threaded, add water, Cover and pressurize to a gauge pressure of 0.1Mpa; other reference example 1; after the dyeing time is in place, release the pressure; take a sample. But after soaping, wash with hot water 3 to 4 times, and wash with cold water 2 to 3 times. The depth is reached; the soap boiling fastness is 4.5-5 grades. By adopting this method, more than 50% of sodium sulfate, about 140-160Kg, and 10% of dyestuffs can be saved compared with the conventional process. In addition, soda ash is completely abandoned, one soap boil and three to four water washes are omitted, saving more t...

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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PUM

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Abstract

The invention relates to a dyeing and fixation process technical method of an activated dye and a textile auxiliary used in the method. The textile auxiliary or the substance or additive having the similar function like the textile auxiliary includes inorganic substance, organic substance, additive and adjusting ingredient; the raw materials are packed directly or packed after being smashed after the measurement, or heated to above 110 DEG C in water to be prepared into different products; in conventional equipment and without the modification of the fiber to be dyed, firstly, through only adding one of the products no more than the quantity of sodium carbonate to realize completely abandoning or no longer mainly relying on the sodium carbonate for fixing; secondly, meanwhile the normal contents of various salts are substantially reduced by 15 to 100 percent; therefore, thirdly, after getting rid of the restriction of relying on the sodium carbonate and the salt in the traditional process, the invention can substantially reduce the resources irrationally wasted in each process of dyeing such as water, power and vapor, etc. More particularly, the process operation is simplified, the processing cycle is shortened, and the effects of substantial energy saving and exhaust reducing, and effect strengthening and consumption reducing can be realized.

Description

technical field [0001] The invention relates to a technical method for dyeing and fixing color of reactive dyes in the dyeing and finishing industry, which enables users to obtain a printing and dyeing auxiliaries that can be completely discarded at the same time under the existing conditions. Or no longer mainly rely on the traditional color-fixing alkali agent sodium carbonate and dye accelerator inorganic salts, or reduce the conventional consumption of various salts by 15-100%, and thus further obtain the advantages of substantial energy saving, emission reduction, efficiency increase and consumption reduction . [0002] The present invention also relates to a kind of printing and dyeing auxiliaries required for dyeing and fixing in the above method and any other substances or additives with similar effects and processing methods thereof, so that its production and application can obtain obvious advantages. Background technique [0003] So far, reactive dyes (or reactiv...

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): D06P1/38D06P1/44D06P5/02
Inventor 罗海航侯一珍
Owner 罗海航
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