CN102444037A - Environment-friendly method for removing floating color of fabric - Google Patents

Environment-friendly method for removing floating color of fabric Download PDF

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Publication number
CN102444037A
CN102444037A CN2011102803631A CN201110280363A CN102444037A CN 102444037 A CN102444037 A CN 102444037A CN 2011102803631 A CN2011102803631 A CN 2011102803631A CN 201110280363 A CN201110280363 A CN 201110280363A CN 102444037 A CN102444037 A CN 102444037A
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China
Prior art keywords
textile
loose colour
environment
dyeing
textile loose
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Pending
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CN2011102803631A
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Chinese (zh)
Inventor
顾学平
鲍亮
李世琪
周光勇
刘金华
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GUANGDONG DEMEI FINE CHEMICAL CO Ltd
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GUANGDONG DEMEI FINE CHEMICAL CO Ltd
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Priority to CN2011102803631A priority Critical patent/CN102444037A/en
Publication of CN102444037A publication Critical patent/CN102444037A/en
Pending legal-status Critical Current

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Abstract

The invention provides an environment-friendly method for removing floating color of a fabric for the textile printing and dyeing industry. The floating color of the dyed fabric and the residue dye in the dyeing residue are removed by a porous fabric floating color removing agent, and the fabric floating color removing agent has extremely strong adsorption effect on various anionic dyes and can be used for clearing the floating color of the fabric, so that the dyeing residue is colorless, and the obtained fabric has excellent soaping fastness; and the dyeing residue can be reused, so that a large amount of resources is saved, and discharge and treatment of a large amount of salts, alkali and colored sewage are reduced. By the method, the production procedures are reduced, the production time is saved, the production cost and the energy consumption are reduced, the sewage treatment pressure of the printing and dyeing industry is greatly lightened, and the aims of energy conservation and environment friendliness are fulfilled.

Description

A kind of environment-friendly type is removed the method for textile loose colour
Technical field
The present invention relates to a kind of environment-friendly type and remove the method for textile loose colour, is the method for removing textile loose colour after a kind of textile dyeing, removing residual dye in the dyeing residual liquid specifically.
Background technology
In the textile chemistry industry, cotton fabrics is used the processing of dyeing of anionic REACTIVE DYES more.The REACTIVE DYES chromatogram is complete, bright in colour; Can form covalent bonds with many fibers, be cotton fabric dyeing process important dyestuff commonly used, still; Anionic group in the REACTIVE DYES has the electrostatic force repulsive interaction to cotton fiber; Hindered dyestuff and spread to fibrous material, caused in the dyeing course dyeing speed slow, dye-uptake is low.Thereby in the existing dyeing, all need use a large amount of electrolyte (salt) to overcome electrostatic repulsion forces, dye in the help.Simultaneously, existing REACTIVE DYES must be under alkali condition could with the hydroxyl generation chemical reaction on the cellulosic fibre material such as cotton, and, cause a large amount of hydrolysis of REACTIVE DYES inevitably because there is alkaline agent in reaction environment, reduced the utilization rate of dyestuff significantly.The hydrolised dye and the unreacted dyestuff that are penetrated into fibrous inside can form " loose colour ", cause the dyefastness after fibrous material dyes to descend.
How effectively to remove the loose colour on the fabric, improve the coloration of textile materials fastness, be the focus and the difficult point of fabric finishing industry research always.For improving the coloration of textile materials fastness, traditional technology is the step of washing and soaping, and loose colour is removed.But traditional technology of soaping is through surfactant textile loose colour emulsification to be distributed in the water, in order to improve the efficient of surfactant; Need to clean DYED FABRICS with a large amount of clear water earlier, soap then, yet be subject to the infiltration dispersibility of surfactant; And the raffinate of soaping has than dark colour; Remain on the fabric so still have a large amount of loose colours, this just needs a large amount of operations such as follow-up fixation treatment, and final coloration of textile materials fastness is difficult to the effect that reaches desirable.In addition, dyeing residual liquid has formed large amount of sewage with the raffinate of soaping, thereby has increased the cost of enterprise's sewage disposal.So far, industry does not also have better more effective way to solve this problem, because the use amount of chemicals is excessive, technology is loaded down with trivial details, causes a series of problems such as textile printing and dyeing industry is seriously polluted, energy consumption is big, production cost height.
Summary of the invention
The objective of the invention is the shortcoming that loose colour is many, dyefastness is not high, a kind of method that the technology of soaping, loose colour clearance rate are high, need not use color-fixing agent, environment-friendly type removal textile loose colour that dyefastness is good of simplifying is provided to dyeing back fabric in the present dyeing.The inventive method can solve high, the with serious pollution problem of cost of sewage disposal such as a large amount of dyeing residual liquids and the raffinate of soaping in the present dyeing, uses the inventive method can simplify production process, reduces energy consumption and chemical raffinate processing cost, improves environment.
Goal of the invention of the present invention is achieved in that
Provide a kind of environment-friendly type to remove the method for textile loose colour; The textile loose colour remover is placed with the dyeing residual liquid of anionic dyestuff after to textile dyeing; Soak into DYED FABRICS is fully mixed, the consumption of said textile loose colour remover is calculated by mass percentage, is the 1-10% of fabric consumption; The infiltration temperature of said textile loose colour remover is that 20-95 ℃, infiltrating time are 10-120min, and said DYED FABRICS bath raio is 1: 5-1: 30.
Provide a kind of environment-friendly type to remove the method for textile loose colour; The dyeing residual liquid of anionic dyestuff after to textile dyeing discharged; Add clear water, place the clear water of DYED FABRICS to bathe the textile loose colour remover again, soak into DYED FABRICS is fully mixed; The consumption of said textile loose colour remover is calculated by mass percentage; Be the 1-10% of fabric consumption, the infiltration temperature of said textile loose colour remover is that 20-95 ℃, infiltrating time are 10-120min, and said DYED FABRICS bath raio is 1: 5-1: 30; The textile loose colour remover is placed the dyeing residual liquid of discharge with the consumption of 0.02~1g/L, fully mixed the infiltration, infiltration temperature is 20-80 ℃, infiltrating time is 10-120min.
Above-mentioned environment-friendly type is removed the method for textile loose colour; Said textile loose colour remover is on the porous solid material, to prepare gained by the prepolymer crosslinking curing that contains active hydrogen and response type functional group; The shared mass percent of porous solid material is less than 90%; The crosslinking curing temperature is 20-150 ℃, and the crosslinking curing time is not less than 30min.
Above-mentioned environment-friendly type is removed the method for textile loose colour; Contain hydroxyl active hydrogen group or amido active hydrogen group or imido grpup active hydrogen group in the said prepolymer; And contain vinyl response type functional group or ethenylidene response type functional group or chloromethyl response type functional group or blocked isocyanate radical reaction type functional group or 3-hydroxy azetidine radical reaction type functional group simultaneously; In the said prepolymer, the mass percentage content of nitrogen is: 5-45%.
Above-mentioned environment-friendly type is removed the method for textile loose colour, and the method for using of said textile loose colour remover is the textile loose colour remover directly to be dropped in the dyeing residual liquid use.
Above-mentioned environment-friendly type is removed the method for textile loose colour, and the method for using of said textile loose colour remover is earlier the textile loose colour remover to be placed cloth bag or places filter, drops in the dyeing residual liquid then and uses.
Above-mentioned environment-friendly type is removed the method for textile loose colour; Said porous solid material is made up of one or more of following material: corncob, vegetable sponge, bagasse, diatomite, kaolin, bentonite, atlapulgite, perlite, zeolite, molecular sieve, sponge, active carbon.
Above-mentioned environment-friendly type is removed the method for textile loose colour, and said dyestuff comprises anionic dyestuff, anionic coating and the DISPERSE DYES that contain anionic dispersing agents.
Above-mentioned environment-friendly type is removed the method for textile loose colour; Said fabric comprises following material: cotton, fiber crops, terylene, polyvinyl, polyamide fibre, spandex, nylon, wool, silk, viscose, CUP, cellulose ester fiber, azlon, pearl fiber, alginate fibre, Sheng-bast fiber, regenerated celulose fibre, milk protein fiber, fibre and soya, acid fiber by polylactic, bamboo fibre, polyvinyl chloride fibre, aramid fiber, teflon, carbon fiber, polyester-cotton blend, wash natural fabric and synthetic fiber such as hair; And blend fibre, and leather fiber.
The present invention has the following advantages:
The new method that environment-friendly type of the present invention is removed textile loose colour is that a kind of porous textile loose colour remover is used for removing textile loose colour and removing the dyeing residual liquid residual dye after the textile dyeing; Make fabric have excellent soaping fastness; And make dyeing residual liquid reach colourless; Therefore salt and the alkali in the dyeing residual liquid is reusable, thereby has reduced a large amount of salt, alkali, coloured sewage emissions and processing.This method has been reduced production process, has saved the production time, has reduced production cost and energy resource consumption, has alleviated the pressure of sewage disposal simultaneously significantly, realizes the target of energy-conserving and environment-protective.
The specific embodiment
Through embodiment, the present invention is described in further detail below.
Textile loose colour remover according to the invention is on the porous solid material, to prepare gained by the prepolymer crosslinking curing that contains active hydrogen and response type functional group; The shared mass percent of porous solid material is less than 90%; The crosslinking curing temperature is 20-150 ℃, and the crosslinking curing time is not less than 30min.Contain hydroxyl active hydrogen group or amido active hydrogen group or imido grpup active hydrogen group in the above-mentioned prepolymer; And contain vinyl response type functional group or ethenylidene response type functional group or chloromethyl response type functional group or blocked isocyanate radical reaction type functional group or 3-hydroxy azetidine radical reaction type functional group simultaneously; Wherein, the mass percentage content of nitrogen is: 5-45%.Above-mentioned porous solid material is made up of one or more of following material: corncob, vegetable sponge, bagasse, diatomite, kaolin, bentonite, atlapulgite, perlite, zeolite, molecular sieve, sponge, active carbon.
Be exemplified below, with after 100 parts of atlapulgites fully mix, 120 ℃ baked 1 hour with 100 parts of prepolymer A that contain active hydrogen and response type functional group, and last grounds travel is broken into tiny powdered granule, is the textile loose colour remover.The above-mentioned prepolymer A that contains active hydrogen and response type functional group is provided by Guangdong Demei Fine Chemical Co., Ltd..
Textile loose colour remover according to the invention can be applicable to the loose colour of various fabrics and removes technology.Concrete as: cotton, fiber crops, terylene, polyvinyl, polyamide fibre, spandex, nylon, wool, silk, viscose, CUP, cellulose ester fiber, azlon, pearl fiber, alginate fibre, Sheng-bast fiber, regenerated celulose fibre, milk protein fiber, fibre and soya, acid fiber by polylactic, bamboo fibre, polyvinyl chloride fibre, aramid fiber, teflon, carbon fiber and cotton/wash, mao/natural fabric and synthetic fiber such as wash; And blend fibre, and leather fiber etc.Said dyestuff comprises anionic dyestuff, anionic coating and the DISPERSE DYES that contain anionic dispersing agents.
Existing is example with the blue all-cotton knitting half-bleached shirting of printing and dyeing, and the present invention is elaborated, and should be appreciated that following explanation is not construed as limiting the invention.
Employed textile loose colour remover is provided by Guangdong Demei Fine Chemical Co., Ltd. among the present invention.
1, dyeing
Conventional cotton fabric dyeing process is adopted in the dyeing of all-cotton knitting half-bleached shirting; Concrete operations are following: the all-cotton knitting half-bleached shirting is put into the overflow dyeing machine dye bath; bath raio is 1: 10, running device, and be warming up to 60 ℃ by the speed of 2 ℃/min; add reactive blue dye KN-R 1.5% (owf), glauber salt 80g/L and soda ash 30g/L, insulation 45min.
2, environment-friendly type is removed the textile loose colour new method
(1) dyeing removal floating color single bath process:
Embodiment one
Above-mentioned dyeing is closed heating after finishing, and textile loose colour remover 5% (owf) is directly added in the dyeing residual liquid, and behind the equipment operation 60min, dyeing residual liquid is colourless basically.Discharge dyeing residual liquid and also fall textile loose colour remover particle filtration, wash one time with clear water then, the oven dry DYED FABRICS, to be measured.
Embodiment two
After above-mentioned dyeing finished, (owf) directly added in the dyeing residual liquid with textile loose colour remover 3%, is warming up to 95 ℃, and behind the insulation 100min, dyeing residual liquid is colourless basically.Discharge dyeing residual liquid and also fall textile loose colour remover particle filtration, wash one time with clear water then, the oven dry DYED FABRICS, to be measured.
Embodiment three
After above-mentioned dyeing finished, (owf) directly added in the dyeing residual liquid with textile loose colour remover 10%, is warming up to 95 ℃, and behind the insulation 10min, dyeing residual liquid is colourless basically.Discharge dyeing residual liquid and also fall textile loose colour remover particle filtration, wash one time with clear water then, the oven dry DYED FABRICS, to be measured.
(2) method of soaping:
Embodiment four
After above-mentioned dyeing finishes, discharge dyeing residual liquid, add 95 ℃ hot water at 1: 5 according to bath raio, add textile loose colour remover 2% (owf) again, behind the equipment operation 60min, water base colourless.Discharge opeing is also fallen textile loose colour remover particle filtration, washes one time with clear water then, and the oven dry DYED FABRICS, to be measured.
Handle the dyeing residual liquid of discharging: textile loose colour remover 1g/L is directly dropped in the dyeing residual liquid, and equipment operation 40min obtains colourless transparent liquid.
Embodiment five
After above-mentioned dyeing finishes, discharge dyeing residual liquid, add 95 ℃ hot water at 1: 10 according to bath raio, add textile loose colour remover 10% (owf) again, behind the equipment operation 10min, water base colourless.Discharge opeing is also fallen textile loose colour remover particle filtration, washes one time with clear water then, and the oven dry DYED FABRICS, to be measured.
Handle the dyeing residual liquid of discharging: textile loose colour remover 0.1g/L is directly dropped in the dyeing residual liquid, and equipment operation 60min obtains colourless transparent liquid.
Embodiment six
After above-mentioned dyeing finishes, discharge dyeing residual liquid, add clear water at 1: 30 according to bath raio, add textile loose colour remover 5% (owf) again, behind the equipment operation 60min, water base colourless.Discharge opeing is also fallen textile loose colour remover particle filtration, washes one time with clear water then, and the oven dry DYED FABRICS, to be measured.
Handle the dyeing residual liquid of discharging: textile loose colour remover 0.02g/L is directly dropped in the dyeing residual liquid, and equipment operation 120min obtains colourless transparent liquid.
The COLOR FASTNESS test result of DYED FABRICS among each embodiment of table 1
Soaping fastness The variable color of soaping Boiling water soaks
Embodiment one 4 grades The 4-5 level Slightly discolor
Embodiment two The 4-5 level The 4-5 level Nothing discolors
Embodiment three The 4-5 level The 4-5 level Nothing discolors
Embodiment four The 4-5 level The 4-5 level Nothing discolors
Embodiment five The 4-5 level The 4-5 level Nothing discolors
Embodiment six 4 grades The 4-5 level Slightly discolor

Claims (9)

1. an environment-friendly type is removed the method for textile loose colour; It is characterized in that: the textile loose colour remover is placed with the dyeing residual liquid of anionic dyestuff after to textile dyeing; Soak into DYED FABRICS is fully mixed, the consumption of said textile loose colour remover is calculated by mass percentage, is the 1-10% of fabric consumption; The infiltration temperature of said textile loose colour remover is that 20-95 ℃, infiltrating time are 10-120min, and said DYED FABRICS bath raio is 1: 5-1: 30.
2. an environment-friendly type is removed the method for textile loose colour; It is characterized in that: the dyeing residual liquid of anionic dyestuff after to textile dyeing discharged; Add clear water, place the clear water of DYED FABRICS to bathe the textile loose colour remover again, soak into DYED FABRICS is fully mixed; The consumption of said textile loose colour remover is calculated by mass percentage; Be the 1-10% of fabric consumption, the infiltration temperature of said textile loose colour remover is that 20-95 ℃, infiltrating time are 10-120min, and said DYED FABRICS bath raio is 1: 5-1: 30; The textile loose colour remover is placed the dyeing residual liquid of discharge with the consumption of 0.02~1g/L, fully mixed the infiltration, infiltration temperature is 20-80 ℃, infiltrating time is 10-120min.
3. remove the method for textile loose colours according to claim 1 or 2 said environment-friendly types; It is characterized in that: said textile loose colour remover is on the porous solid material, to prepare gained by the prepolymer crosslinking curing that contains active hydrogen and response type functional group; The shared mass percent of porous solid material is less than 90%; The crosslinking curing temperature is 20-150 ℃, and the crosslinking curing time is not less than 30min.
4. remove the method for textile loose colour according to the said environment-friendly type of claim 3; It is characterized in that: contain hydroxyl active hydrogen group or amido active hydrogen group or imido grpup active hydrogen group in the said prepolymer; And contain vinyl response type functional group or ethenylidene response type functional group or chloromethyl response type functional group or blocked isocyanate radical reaction type functional group or 3-hydroxy azetidine radical reaction type functional group simultaneously; In the said prepolymer, the mass percentage content of nitrogen is: 5-45%.
5. according to the method for claim 1 or 2 said environment-friendly types removal textile loose colours, it is characterized in that: the method for using of said textile loose colour remover is the textile loose colour remover directly to be dropped in the dyeing residual liquid use.
6. according to the method for claim 1 or 2 said environment-friendly types removal textile loose colours, it is characterized in that: the method for using of said textile loose colour remover is earlier the textile loose colour remover to be placed cloth bag or places filter, drops in the dyeing residual liquid then and uses.
7. remove the method for textile loose colour according to the said environment-friendly type of claim 1 or 2; It is characterized in that: said porous solid material is made up of one or more of following material: corncob, vegetable sponge, bagasse, diatomite, kaolin, bentonite, atlapulgite, perlite, zeolite, molecular sieve, sponge, active carbon.
8. according to the method for claim 1 or 2 said environment-friendly types removal textile loose colours, it is characterized in that: said dyestuff comprises anionic dyestuff, anionic coating and the DISPERSE DYES that contain anionic dispersing agents.
9. remove the method for textile loose colours according to claim 1 or 2 said environment-friendly types; It is characterized in that: said fabric comprises following material: cotton, fiber crops, terylene, polyvinyl, polyamide fibre, spandex, nylon, wool, silk, viscose, CUP, cellulose ester fiber, azlon, pearl fiber, alginate fibre, Sheng-bast fiber, regenerated celulose fibre, milk protein fiber, fibre and soya, acid fiber by polylactic, bamboo fibre, polyvinyl chloride fibre, aramid fiber, teflon, carbon fiber, polyester-cotton blend, wash natural fabric and synthetic fiber such as hair; And blend fibre, and leather fiber.
CN2011102803631A 2011-09-20 2011-09-20 Environment-friendly method for removing floating color of fabric Pending CN102444037A (en)

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CN102877177A (en) * 2012-09-24 2013-01-16 海安县中山合成纤维有限公司 Chinlon, viscose and copper ammonia fiber blended yarn
CN107829317A (en) * 2017-10-20 2018-03-23 江苏工程职业技术学院 A kind of high-efficiency activated dyestuff loose colour remover and its padding process
CN109457517A (en) * 2018-10-29 2019-03-12 嘉兴珠韵服装有限公司 The preparation of modified gelatin/cation-modified anorthite compound color fixing agent and the application in acid dyeing
CN111549415A (en) * 2020-05-15 2020-08-18 浙江曼姿袜业有限公司 Aramid fiber flame-retardant antibacterial protective socks

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102877177A (en) * 2012-09-24 2013-01-16 海安县中山合成纤维有限公司 Chinlon, viscose and copper ammonia fiber blended yarn
CN107829317A (en) * 2017-10-20 2018-03-23 江苏工程职业技术学院 A kind of high-efficiency activated dyestuff loose colour remover and its padding process
CN107829317B (en) * 2017-10-20 2019-08-02 江苏工程职业技术学院 A kind of high-efficiency activated dyestuff loose colour remover and its padding process
CN109457517A (en) * 2018-10-29 2019-03-12 嘉兴珠韵服装有限公司 The preparation of modified gelatin/cation-modified anorthite compound color fixing agent and the application in acid dyeing
CN111549415A (en) * 2020-05-15 2020-08-18 浙江曼姿袜业有限公司 Aramid fiber flame-retardant antibacterial protective socks

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