CN101532259B - Method for dyeing reactive dye by one-step method without salt - Google Patents

Method for dyeing reactive dye by one-step method without salt Download PDF

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Publication number
CN101532259B
CN101532259B CN2009100492698A CN200910049269A CN101532259B CN 101532259 B CN101532259 B CN 101532259B CN 2009100492698 A CN2009100492698 A CN 2009100492698A CN 200910049269 A CN200910049269 A CN 200910049269A CN 101532259 B CN101532259 B CN 101532259B
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China
Prior art keywords
salt
dyeing
dye
dyestuff
drying
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Expired - Fee Related
Application number
CN2009100492698A
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Chinese (zh)
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CN101532259A (en
Inventor
蔡再生
俞建勇
黄兴泉
李振新
赵亚萍
徐丽慧
孙洁
陈玉梅
鲁积刚
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CHANGZHOU DONGXIA PRINTING AND DYEING Co Ltd
Donghua University
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CHANGZHOU DONGXIA PRINTING AND DYEING Co Ltd
Donghua University
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Priority to CN2009100492698A priority Critical patent/CN101532259B/en
Publication of CN101532259A publication Critical patent/CN101532259A/en
Application granted granted Critical
Publication of CN101532259B publication Critical patent/CN101532259B/en
Expired - Fee Related legal-status Critical Current
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Abstract

The invention relates to a method for dyeing a reactive dye by one-step method without salt. The method comprises two-dip-one-dry or three-dip-one-dry process, wherein dye solution used for dipping and drying consists of 15 to 25g/l of dye and 1g/l of an alkaline agent; pickup is between 55 and 60 percent; then, the dyeing solution is subjected to steaming, washing, hot water washing and drying. The method has a simple dyeing process, does not have special requirement on the dye, does not relate to modification of fibers and application of salt-free dye cross linker; preliminary drying and cylinder drying are saved, and consumption of heat energy is greatly reduced; compared with a cold pad-batch dyeing process, the defects of cold pad-batch clearance production is improved, efficiency is improved, and defects of water spots, stains and hard hand feel are overcome.

Description

A kind of method for dyeing reactive dye by one-step method without salt
Technical field
The invention belongs to the reactive dyeing field, particularly relate to a kind of method for dyeing reactive dye by one-step method without salt.
Background technology
In recent years, cotton fiber is because of the characteristic of environmental protection ecology, catered to people's back to natures, pursued green psychology and develop rapidly.REACTIVE DYES is because of having advantages such as chromatogram is complete, bright in colour, technique for applying is easy, applicability is strong, price is relatively cheap, and becomes the dye of cotton fiber with output in the dyestuff and output value maximum.But the distinct issues of REACTIVE DYES are that degree of fixation is low, in order to improve its dye-uptake, in the traditional dyeing of cotton fiber, add a large amount of inorganic salts (sodium chloride or glauber salt).According to dye structure, color difference, be generally 30~100g/L with the salt amount.The REACTIVE DYES that the adding of inorganic salts has been dyed on having reduced not is to the pollution of environment, but inorganic salts also can pollute the water source, make water salinization, soil salinization destroy the ecological balance, water, biology and soil are all had very big harm, and soluble-salt is also more difficult in the sewage.Along with the continuous enhancing of people's environmental consciousness, and relevant laws and regulations is perfect day by day, and the salt pollution problem needs to be resolved hurrily during reactive dyeing.For this reason, the less salt of REACTIVE DYES in recent years, salt-free dyeing have become both at home and abroad an important topic of research energetically.
REACTIVE DYES less salt/salt-free dyeing mainly contains following approach:
(1) by exploitation less salt/salt-free dyeing REACTIVE DYES;
(2) fiber is cation-modified;
(3) formulate rational low salt dyeing technology, as reducing dyeing temperature, dyeing temperature is lower, and direct higher, the salt consumption is fewer; Realize that short liquor dyeing also can reduce the salt consumption, bath raio is littler, and dyestuff is direct higher, and the salt consumption can significantly reduce; Reactive dye wet steaming technology also is a kind of trial to salt-free dyeing, and wet short technology, equipment, the dyestuff of steaming is all in further perfecting process.Generally speaking, formulate the consumption that rational dyeing can only reduce salt to a certain extent, and the selection of dyestuff is had corresponding requirement, can not realize low salt dyeing truly.
(4) exploitation less salt/salt-free dyeing auxiliary, as the salt-free dyeing crosslinking agent, in dyeing course, with multi-active base crosslinking agent and dyestuff and fiber-reactive,, improve the utilization rate of dyestuff to reduce the consumption of salt, it is one of important method that realizes salt-free dyeing, the existence of these crosslinking agents can be promoted dyeability with the same to the cotton fiber cationization, when dyeing cotton fiber is carried out modification; The application that " substitutes salt ", along with ecology requires to improve day by day, the application of inorganic salts is restricted, and substitutes it with pollution-free, eco-friendly compound and comes into one's own.At present, chemical compound lot can't be competed with used salt and glauber salt on financial cost, but their the short effect of dying is big, environmentally friendly, has a extensive future, because these compound great majority remain salt, is called " substituting salt ".
Summary of the invention
Technical problem to be solved by this invention provides a kind of method for dyeing reactive dye by one-step method without salt, and this dyeing is simple, and dyestuff is not required, and does not relate to the modification of fiber, the application of special-purpose salt-free dyeing crosslinking agent; Saved preliminary drying and drying cylinder drying, consumption of heat energy has been reduced greatly; Compare with cold rolling batch-dying process, improved the shortcoming that the cold-rolling heap staining clearance-type is produced, improved efficient, overcome the shortcoming of water spots and stain and Boardy Feeling.
A kind of method for dyeing reactive dye by one-step method without salt of the present invention comprises:
Two soak one rolls or three soaks one and roll, and the dye liquor that pads use is made up of dyestuff 15g/l-25g/l and alkaline agent 1g/l, and pick-up 55~60% passes through decatize (100-105 ℃) then, washing (room temperature), soap (80-95 ℃), hot water wash (50-65 ℃), oven dry.
Described dyestuff is any or several mixing among the blue C-R of the red CD of Cibacron, Cibacron yellow C-2R, Cibacron, the yellow CF-3RL of Japanese chemical drug, the plain G133 of section China, the plain deep blue ED of section China, and dye solution concentration is 10g/L~6g/L.
Described alkaline agent consists of sodium metasilicate (waterglass): soda ash: caustic soda: the mol ratio of urea is 1: 2: 6: 2, and concentration 1~3.5g/L.
The present invention realizes by equipment improvement, comprising:
(1) will reduce the soaper hopper changes the 40L sulculus into by 140L;
(2) increase by two row's infrared rays and give the tinctorial yield that baking improves dyestuff;
(3) increase by three of 16 on ventilative frame and chill rolls;
(4) increase a proportioning pump device, make dyestuff and alkaline agent at the head tank branch material that becomes civilized, the passing ratio pump is mixed into hopper.
Beneficial effect
Dyeing of the present invention is simple, and dyestuff is not required, and does not relate to the modification of fiber, the application of special-purpose salt-free dyeing crosslinking agent; Saved preliminary drying and drying cylinder drying, consumption of heat energy has been reduced greatly; Compare with cold rolling batch-dying process, improved the shortcoming that the cold-rolling heap staining clearance-type is produced, improved efficient, overcome the shortcoming of water spots and stain and Boardy Feeling.
The specific embodiment
Below in conjunction with specific embodiment, further set forth the present invention.Should be understood that these embodiment only to be used to the present invention is described and be not used in and limit the scope of the invention.Should be understood that in addition those skilled in the art can make various changes or modifications the present invention after the content of having read the present invention's instruction, these equivalent form of values fall within the application's appended claims institute restricted portion equally.
1. the soaper hopper that will reduce changes the 40L sulculus into by 140L.
2. increase by two row's infrared rays and give the tinctorial yield that baking improves dyestuff.
3. increase by three of 16 on ventilative frame and chill rolls.
4. increase a proportioning pump device, making dyestuff and alkaline agent is the branch material that becomes civilized at head tank, and the passing ratio pump is mixed into hopper.
Embodiment 1
(1) staining technique route
Two soak one rolls or three soaks one and roll, and the dye liquor that pads use is made up of dyestuff and alkaline agent, and pick-up 55~60% passes through decatize (102 ℃) then, washing (room temperature), soap (95 ℃), hot water wash (65 ℃), oven dry.
(2) dyeing prescription
The red CD 35g/L of Cibacron
Alkaline agent 1.5g/L
Embodiment 2
(1) staining technique route
Two soak one rolls or three soaks one and roll, and the dye liquor that pads use is made up of dyestuff and alkaline agent, and pick-up 55~60% passes through decatize (102 ℃) then, washing (room temperature), soap (90 ℃), hot water wash (65 ℃), oven dry.
(2) dyeing prescription
CF-3RL 25g/L
G133 10g/L
ED 5g/L
Alkaline agent 2.0g/L
Embodiment 3
(1) staining technique route
Two soak one rolls or three soaks one and roll, and the dye liquor that pads use is made up of dyestuff and alkaline agent, and pick-up 55~60% passes through decatize (102 ℃) then, washing (room temperature), soap (95 ℃), hot water wash (60 ℃), oven dry.
(2) dyeing prescription
The red CD 20g/L of Cibacron
Yellow C-2R 20g/L
Blue C-R 5g/L
Alkaline agent 2.5g/L
Embodiment 4
(1) staining technique route
Two soak one rolls or three soaks one and roll, and the dye liquor that pads use is made up of dyestuff and alkaline agent, and pick-up 55~60% passes through decatize (102 ℃) then, washing (room temperature), soap (90 ℃), hot water wash (55 ℃), oven dry.
(2) dyeing prescription
CF-3RL 25g/L
G133 15g/L
Alkaline agent 2.0g/L

Claims (2)

1. method for dyeing reactive dye by one-step method without salt comprises:
Two soak one rolls or three soaks one and roll, and the dye liquor that pads use is made up of dyestuff 15g/l-25g/l and alkaline agent 1g/l, and pick-up 55~60% passes through decatize then, and washing is soaped, hot water wash, oven dry; Described alkaline agent consists of sodium metasilicate: soda ash: caustic soda: the mol ratio of urea is 1: 2: 6: 2, and concentration 1g/L~3.5g/L.
2. a kind of method for dyeing reactive dye by one-step method without salt according to claim 1 is characterized in that: described dyestuff is one or more mixing among the red CD of Cibacron, Cibacron yellow C-2R, Cibacron blue C-R, yellow CF-3RL, the plain G133 of section China, the plain deep blue ED of section China.
CN2009100492698A 2009-04-14 2009-04-14 Method for dyeing reactive dye by one-step method without salt Expired - Fee Related CN101532259B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
CN2009100492698A CN101532259B (en) 2009-04-14 2009-04-14 Method for dyeing reactive dye by one-step method without salt

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CN101532259A CN101532259A (en) 2009-09-16
CN101532259B true CN101532259B (en) 2011-02-09

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Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102174748B (en) * 2011-01-13 2012-11-14 青岛大学 Salt-free dyeing method of vinyl sulphone type reactive dye for cotton fiber
CN102199886B (en) * 2011-05-23 2012-08-29 东华大学 Reactive dye salt-free pad dyeing method
CN102912654B (en) * 2012-11-09 2015-03-18 愉悦家纺有限公司 Dyeing method for fabric
CN103774363B (en) * 2014-01-09 2015-12-30 绍兴国周针织科技有限公司 The cold rolling batch-dying process of bulk fibre
CN107217507B (en) * 2017-07-18 2019-07-23 浙江银河印染有限公司 The salt-free dyeing method of the special light color of reactive dye short liquor ratio dye

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