CN101787643B - Washing technology of active dye detergent - Google Patents
Washing technology of active dye detergent Download PDFInfo
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- CN101787643B CN101787643B CN2010101083484A CN201010108348A CN101787643B CN 101787643 B CN101787643 B CN 101787643B CN 2010101083484 A CN2010101083484 A CN 2010101083484A CN 201010108348 A CN201010108348 A CN 201010108348A CN 101787643 B CN101787643 B CN 101787643B
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Abstract
The invention provides a washing technology of active dye detergent. A dyed product is dried after successively cold wash, acid soap wash, alkali wash, hot wash and warm wash, wherein cold wash is carried out by adopting room temperature water to wash for 1-3 lattices; acid soap wash is carried out by soap in soap wash solution at the temperature of 40-60 DEG C for 1-2 lattices, the pH value of soap wash solution is 3-5, and consumption amount of detergent in soap solution is 0.6-1.2 g/l; alkali wash is carried out by washing in alkaline solution of which the pH is 8-10 at the temperature of 40-50 DEG C; hot wash is carried out by washing in hot water at the temperature of 90-95 DEG C for 1-2 lattices; and warm wash is characterized in washing in warm water at the temperature of 45-60 DEG C for 1-2 lattices. The invention is suitable for washing technology after active dye pad dyeing and has the advantages that the washing technology carries out soap wash at acid condition, has low soap wash temperature and few washing procedures, and can save a great quantity of water and steam. The rubbing fastness and soaping fastness of washed textile are superior to those of conventional washing technology.
Description
Technical field
The present invention relates to the textile dyeing and finishing technology field, relate in particular to the washing process of the detergent after a kind of REACTIVE DYES pure cotton woven fabric dyes.
Background technology
REACTIVE DYES are since 1956 come out, and its development maintains the leading position always.The annual production of cellulose fiber Wesy REACTIVE DYES accounts for about 20% of whole dyestuff annual productions in the world at present, because the cellulose products newly developed such as the increase of Lyocell fiber Isoquant, the steady growth of cotton fiber, the annual production of REACTIVE DYES will continue to increase.
In the reactive dyeing technical process; Fabric face after the dyeing speckles with a large amount of loose colour dyestuffs; Comprising the dyestuff of partial hydrolysis be adsorbed in fiber and have neither part nor lot in the dyestuff of covalent reaction, they have certain substantivity to fiber, must make it break away from fiber by the acting in conjunction of external force and auxiliary agent and get in the aqueous solution; Because there is dynamic adsorption equilibrium in the loose colour dyestuff between fiber and washing liquid; Can be adsorbed onto fiber surface again after being eluted, thereby cause the loose colour eccysis unclean, the fastness to wet rubbing of product does not reach shortcomings such as requirement.The loose colour dyestuff is shifted in washing liquid, and stably be dispersed in the washing liquid, reduce secondary and be infected with the key that the fiber probability is a raising washing effect.
Loose colour to be removed after the reactive dyeing, the final mass of finished product must be could guaranteed through the multiple tracks washing.The water-washing process water consumption generally accounts for more than 60% of whole dyeing and finishing water, and the steam consumption in the dyeing and finishing process will account for more than 60% of whole energy, so the energy-saving and emission-reduction of printing and dyeing enterprise, comes down to the energy-saving and emission-reduction to water and steam; And concerning whole printing and dyeing process, attach most importance to washing step again.
The general washing process of printing and dyeing mill is following at present:
3 lattice (detergent 5g/L, 95 ℃) → hot water wash 3 lattice (95 ℃) → cold wash 3 lattice → oven dry (130 ℃) of soaping of dyeing → cold wash 3 lattice → pickling (acetic acid 1mL/L) → hot water wash 2 lattice (90 ℃) → alkalescence.So-called lattice be woven textiles in washing process, whenever be referred to as lattice through a rinsing bowl, be equivalent to wash once.
Summary of the invention
The object of the present invention is to provide a kind of cleaning technique that can overcome existing detergent based on the surfactant design, do not wash clean, the washing process of the influential active dye detergent of environment.
At first be the preparation of detergent of the present invention:
1) preparation of aqueous phase solution: at first shitosan is dissolved in that to obtain mass percent concentration in the acetum be 0.5～3% chitosan solution; Be 3～7% gelatin solution with the gelatin mass concentration that obtains soluble in water then; The deacetylation of said shitosan is 89～96%, and the volume ratio of acetum is 2～6%;
By shitosan: gelatin is (1～4): 1 mass ratio with chitosan solution mix with gelatin solution shitosan/gelatin solution;
2) emulsion preparation: by emulsifying agent: atoleine=1: the volume ratio of (100～300) adds the mixed solution that emulsifying agent gets atoleine and emulsifying agent in atoleine; Said emulsifying agent is sorbester p17 and Tween 80, and wherein the volume ratio of sorbester p17 and Tween 80 is (1～6): 1; Again by shitosan/gelatin solution: atoleine=1: the volume ratio of (4～8) joins shitosan/gelatin solution in the mixed solution of atoleine and emulsifying agent, gets emulsion at 25～35 ℃ of emulsification 10～25min;
3) crosslinking curing: in above-mentioned emulsion, dropwise add mass concentration and be 50% glutaraldehyde solution, the mass ratio of glutaraldehyde and shitosan is 1: (2～5) make micro-sphere crosslinked curing at 40～60 ℃ of crosslinked 2～5h;
4) post processing: wash product repeatedly with isopropyl alcohol and absolute ether and remove atoleine, be placed on then and dryly in 40～55 ℃ the baking oven obtain active dye detergent based on shitosan/gelatin composite material.
Washing process of the present invention is following:
Product after the dyeing is soaped, dried after the alkali cleaning, hot water wash, Warm Wash through cold wash, acidity successively;
Normal temperature washing 1～3 lattice are adopted in said cold wash;
It is 1～2 lattice of in 40～60 ℃ the liquid of soaping, soaping that said acidity is soaped, and the pH value of the liquid of soaping is 3～5, and the consumption of detergent is 0.6～1.2g/l in the soap lye;
Said alkali cleaning is in 40～50 ℃ pH is 8～10 alkaline solution, to carry out alkali cleaning;
Said hot water wash is in 90～95 ℃ hot water, to wash 1～2 lattice;
Said Warm Wash is in 45～60 ℃ warm water, to wash 1～2 lattice.
Said acidity is soaped and adopted the pH value of acetic acid or hydrochloric acid conditioning solution in the step is 3～5.
Said alkaline solution is sodium acid carbonate or sodium carbonate liquor.
Said bake out temperature is 100～130 ℃.
Compared with prior art, advantage of the present invention is:
1) vapour is used in using water wisely: saved hot water wash and acid cleaning process before soaping, and using water wisely, the temperature of the technology of soaping drops to 40～60 ℃ by 95 ℃ of common process, practices thrift the consumption of steam, realizes the purpose of energy-saving and emission-reduction.
2) protection dyestuff: the tradition detergent that technology uses of soaping is generally alkalescence; When high temperature is soaped; Be bonded to REACTIVE DYES on the fabric and scission of link be prone to take place and be destroyed, the present invention adopts and soaps under the acid condition, and reduces the temperature of soaping; The effect of REACTIVE DYES on the protection COTTON FABRIC can be reached, the destructiveness of washing process process can be reduced simultaneously REACTIVE DYES.
3) technology is simple, and application prospect is extensive, and be fit to suitability for industrialized production: washing process proposed by the invention is simple, and the present equipment of printing and dyeing mill can satisfy technological requirement fully.
4) washing is effective: the resulting cloth of washing process that adopts the present invention to propose, its crock fastness and soaping fastness all are superior to the cloth that conventional washing obtains.
Three kinds of pure cotton fabrics adopt conventional washing process and washing process of the present invention respectively under identical dyeing condition.The result contrasts as follows:
The conventional washing of table 1 pure cotton fabric is washed effect comparison with the present invention
Dried, fastness to wet rubbing is pressed the GB/T3920-1997 method and is measured; Soaping fastness is pressed the GB/T3921.3-1997 method and is measured.
Drawn by the comparison of test results analysis: crock fastness and the soaping fastness of using the REACTIVE DYES COTTON FABRIC behind the washing process of the present invention all are superior to the cloth that conventional washing obtains, and steady quality.
The specific embodiment
The preparation of embodiment 1:, detergent:
1) preparation of aqueous phase solution: at first with deacetylation be 96% shitosan to be dissolved in volume ratio be that to obtain mass percent concentration in 2% the acetum be 0.5% chitosan solution, be 3% gelatin solution with the gelatin mass concentration that obtains soluble in water then;
By shitosan: gelatin be 1: 1 mass ratio with chitosan solution mix with gelatin solution shitosan/gelatin solution;
2) emulsion preparation: by emulsifying agent: the volume ratio of atoleine=1: 300 adds the mixed solution that emulsifying agent gets atoleine and emulsifying agent in atoleine; Said emulsifying agent is sorbester p17 and Tween 80, and wherein the volume ratio of sorbester p17 and Tween 80 is 1: 1; Again by shitosan/gelatin solution: the volume ratio of atoleine=1: 4 joins shitosan/gelatin solution in the mixed solution of atoleine and emulsifying agent, gets emulsion at 25 ℃ of emulsification 25min;
3) crosslinking curing: in above-mentioned emulsion, dropwise add mass concentration and be 50% glutaraldehyde solution, the mass ratio of glutaraldehyde and shitosan is 1: 2, makes micro-sphere crosslinked curing at 40 ℃ of crosslinked 5h;
4) post processing: wash product repeatedly with isopropyl alcohol and absolute ether and remove atoleine, be placed on then and dryly in 40 ℃ the baking oven obtain active dye detergent based on shitosan/gelatin composite material.
Two, washing process is following:
Product after the dyeing is soaped, dried after the alkali cleaning, hot water wash, Warm Wash through cold wash, acidity successively;
Said cold wash adopts normal temperature to wash 2 lattice;
It is 1 lattice of in the liquid of soaping of 40 ℃ detergent consumption 0.6g/l, soaping that said acidity is soaped, and to use the pH value of acetic acid regulator solution be 5.
Said alkali cleaning is in 50 ℃ pH is 8 sodium bicarbonate solution, to carry out alkali cleaning;
Said hot water wash is in 90 ℃ hot water, to wash 1 lattice;
Said Warm Wash is in 60 ℃ warm water, to wash 1 lattice
Said bake out temperature is 100 ℃.
Present embodiment is applicable to the washing process when REACTIVE DYES dye light kind.
The preparation of embodiment 2:, detergent:
1) preparation of aqueous phase solution: at first with deacetylation be 94% shitosan to be dissolved in volume ratio be that to obtain mass percent concentration in 3% the acetum be 1% chitosan solution, be 4% gelatin solution with the gelatin mass concentration that obtains soluble in water then;
By shitosan: gelatin be 2: 1 mass ratio with chitosan solution mix with gelatin solution shitosan/gelatin solution;
2) emulsion preparation: by emulsifying agent: the volume ratio of atoleine=1: 150 adds the mixed solution that emulsifying agent gets atoleine and emulsifying agent in atoleine; Said emulsifying agent is sorbester p17 and Tween 80, and wherein the volume ratio of sorbester p17 and Tween 80 is 2: 1; Again by shitosan/gelatin solution: the volume ratio of atoleine=1: 5 joins shitosan/gelatin solution in the mixed solution of atoleine and emulsifying agent, gets emulsion at 30 ℃ of emulsification 15min;
3) crosslinking curing: in above-mentioned emulsion, dropwise add mass concentration and be 50% glutaraldehyde solution, the mass ratio of glutaraldehyde and shitosan is 1: 3, makes micro-sphere crosslinked curing at 45 ℃ of crosslinked 4h;
4) post processing: wash product repeatedly with isopropyl alcohol and absolute ether and remove atoleine, be placed on then and dryly in 45 ℃ the baking oven obtain active dye detergent based on shitosan/gelatin composite material.
Two, washing process is following:
Product after the dyeing is soaped, dried after the alkali cleaning, hot water wash, Warm Wash through cold wash, acidity successively;
Said cold wash adopts normal temperature to wash 1 lattice;
It is 1 lattice of in the liquid of soaping of 50 ℃ detergent consumption 0.8g/l, soaping that said acidity is soaped, and to use the pH value of hydrochloric acid conditioning solution be 4.5;
Said alkali cleaning is in 45 ℃ pH is 9 sodium carbonate liquor, to carry out alkali cleaning;
Said hot water wash is in 93 ℃ hot water, to wash 1 lattice;
Said Warm Wash is in 55 ℃ warm water, to wash 2 lattice
Said bake out temperature is 110 ℃.
Present embodiment is applicable to washing process when REACTIVE DYES dye light kind.
The preparation of embodiment 3:, detergent:
1) preparation of aqueous phase solution: at first with deacetylation be 92% shitosan to be dissolved in volume ratio be that to obtain mass percent concentration in 4% the acetum be 2% chitosan solution, be 6% gelatin solution with the gelatin mass concentration that obtains soluble in water then;
By shitosan: gelatin be 3: 1 mass ratio with chitosan solution mix with gelatin solution shitosan/gelatin solution;
2) emulsion preparation: by emulsifying agent: the volume ratio of atoleine=1: 200 adds the mixed solution that emulsifying agent gets atoleine and emulsifying agent in atoleine; Said emulsifying agent is sorbester p17 and Tween 80, and wherein the volume ratio of sorbester p17 and Tween 80 is 4: 1; Again by shitosan/gelatin solution: the volume ratio of atoleine=1: 6 joins shitosan/gelatin solution in the mixed solution of atoleine and emulsifying agent, gets emulsion at 28 ℃ of emulsification 20min;
3) crosslinking curing: in above-mentioned emulsion, dropwise add mass concentration and be 50% glutaraldehyde solution, the mass ratio of glutaraldehyde and shitosan is 1: 4, makes micro-sphere crosslinked curing at 55 ℃ of crosslinked 3h;
4) post processing: wash product repeatedly with isopropyl alcohol and absolute ether and remove atoleine, be placed on then and dryly in 50 ℃ the baking oven obtain active dye detergent based on shitosan/gelatin composite material.
Two, washing process is following:
Product after the dyeing is soaped, dried after the alkali cleaning, hot water wash, Warm Wash through cold wash, acidity successively;
Said cold wash adopts normal temperature to wash 2 lattice;
It is 1 lattice of in the liquid of soaping of 50 ℃ detergent consumption 1g/l, soaping that said acidity is soaped, and to use the pH value of acetic acid regulator solution be 3.5;
Said alkali cleaning is in 45 ℃ pH is 9 sodium carbonate liquor, to carry out alkali cleaning;
Said hot water wash is in 90 ℃ hot water, to wash 2 lattice;
Said Warm Wash is in 50 ℃ warm water, to wash 2 lattice
Said bake out temperature is 120 ℃.
Present embodiment is applicable to the washing process when REACTIVE DYES dye the moderate depth kind.
The preparation of embodiment 4:, detergent:
1) preparation of aqueous phase solution: at first with deacetylation be 89% shitosan to be dissolved in volume ratio be that to obtain mass percent concentration in 6% the acetum be 3% chitosan solution, be 7% gelatin solution with the gelatin mass concentration that obtains soluble in water then;
By shitosan: gelatin be 4: 1 mass ratio with chitosan solution mix with gelatin solution shitosan/gelatin solution;
2) emulsion preparation: by emulsifying agent: the volume ratio of atoleine=1: 100 adds the mixed solution that emulsifying agent gets atoleine and emulsifying agent in atoleine; Said emulsifying agent is sorbester p17 and Tween 80, and wherein the volume ratio of sorbester p17 and Tween 80 is 6: 1; Again by shitosan/gelatin solution: the volume ratio of atoleine=1: 8 joins shitosan/gelatin solution in the mixed solution of atoleine and emulsifying agent, gets emulsion at 35 ℃ of emulsification 10min;
3) crosslinking curing: in above-mentioned emulsion, dropwise add mass concentration and be 50% glutaraldehyde solution, the mass ratio of glutaraldehyde and shitosan is 1: 5, makes micro-sphere crosslinked curing at 60 ℃ of crosslinked 2h;
4) post processing: wash product repeatedly with isopropyl alcohol and absolute ether and remove atoleine, be placed on then and dryly in 55 ℃ the baking oven obtain active dye detergent based on shitosan/gelatin composite material.
Two, washing process is following:
Product after the dyeing is soaped, dried after the alkali cleaning, hot water wash, Warm Wash through cold wash, acidity successively;
Said cold wash adopts normal temperature to wash 3 lattice;
It is 2 lattice of in the liquid of soaping of 60 ℃ detergent consumption 1.2g/l, soaping that said acidity is soaped, and to use the pH value of hydrochloric acid conditioning solution be 3;
Said alkali cleaning is in 40 ℃ pH is 10 sodium bicarbonate solution, to carry out alkali cleaning;
Said hot water wash is in 95 ℃ hot water, to wash 2 lattice;
Said Warm Wash is in 45 ℃ warm water, to wash 2 lattice
Said bake out temperature is 130 ℃.
Present embodiment is applicable to the washing process when REACTIVE DYES dye dark kind.
The washing post processing of REACTIVE DYES is important steps of whole dye process, and is significant for the saving of the fastness of DYED FABRICS and dyeing time, the energy, water.The water-washing process of REACTIVE DYES generally comprises cold wash, hot water wash, soaps, hot water wash, cold wash etc.To pass through cold wash and hot water wash before soaping; This is a dilution stage; Purpose is salt, alkali and the fiber surface dyestuff of removing as far as possible on the fabric of set not, can make soaping of next stage more effective like this, will in acetic acid is bathed, neutralize before soaping; Can prevent dyestuff hydrolysis in the process of soaping, it is unclean can to avoid alkaline agent to remove yet.
The process of soaping be impel fibrous inside not the hydrolised dye of set be diffused into fiber surface, separate simultaneously and be drawn onto in the cleaning solution.Should carry out hot water wash after soaping, cold wash further waters down, removes the dyestuff that sticks on the fiber, makes the dyestuff of the not set on the dried fabric the least possible.
The present invention is because the detergent of being selected for use has the good adsorption ability to the REACTIVE DYES of not set and the REACTIVE DYES of hydrolysis; So in technology, save the hot water wash technology before soaping; Owing to contain shitosan in the detergent; Under acid condition, detergent is positively charged, and REACTIVE DYES are had higher adsorption capacity.PH should be controlled at below 5.0 in the technology so soap, and saves pickling before soaping, and will carry out alkali cleaning with sodium acid carbonate after soaping, and the pH that makes cloth cover is for neutral.
Claims (4)
1. the washing process of an active dye detergent is characterized in that:
1) preparation of detergent:
1.1) preparation of aqueous phase solution: at first shitosan is dissolved in that to obtain mass percent concentration in the acetum be 0.5～3% chitosan solution; Be 3～7% gelatin solution with the gelatin mass concentration that obtains soluble in water then; The deacetylation of described shitosan is 89～96%, and the volume ratio of acetum is 2～6%;
By shitosan: gelatin is (1～4): 1 mass ratio with chitosan solution mix with gelatin solution shitosan/gelatin solution;
1.2) emulsion preparation: by emulsifying agent: atoleine=1: the volume ratio of (100～300) adds the mixed solution that emulsifying agent gets atoleine and emulsifying agent in atoleine; Described emulsifying agent is sorbester p17 and Tween 80, and wherein the volume ratio of sorbester p17 and Tween 80 is (1～6): 1; Again by shitosan/gelatin solution: atoleine=1: the volume ratio of (4～8) joins shitosan/gelatin solution in the mixed solution of atoleine and emulsifying agent, gets emulsion at 25～35 ℃ of emulsification 10～25min;
1.3) crosslinking curing: in above-mentioned emulsion, dropwise add mass concentration and be 50% glutaraldehyde solution, the mass ratio of glutaraldehyde and shitosan is 1: (2～5) make micro-sphere crosslinked curing at 40～60 ℃ of crosslinked 2～5h;
1.4) post processing: wash product repeatedly with isopropyl alcohol and absolute ether and remove atoleine, be placed on then and dryly in 40～55 ℃ the baking oven obtain active dye detergent based on shitosan/gelatin composite material;
2) product after will dyeing is soaped, is dried after the alkali cleaning, hot water wash, Warm Wash through cold wash, acidity successively;
Normal temperature washing 1～3 lattice are adopted in described cold wash;
It is 1～2 lattice of in 40～60 ℃ the liquid of soaping, soaping that described acidity is soaped, and the pH value of the liquid of soaping is 3～5, and the consumption of detergent is 0.6～1.2g/l in the soap lye;
Described alkali cleaning is in 40～50 ℃ pH is 8～10 alkaline solution, to carry out alkali cleaning;
Described hot water wash is in 90～95 ℃ hot water, to wash 1～2 lattice;
Described Warm Wash is in 45～60 ℃ warm water, to wash 1～2 lattice.
2. the washing process of active dye detergent according to claim 1 is characterized in that: said acidity is soaped and adopted the pH value of acetic acid or hydrochloric acid conditioning solution in the step is 3～5.
3. the washing process of active dye detergent according to claim 1, it is characterized in that: said alkaline solution is sodium acid carbonate or sodium carbonate liquor.
4. the washing process of active dye detergent according to claim 1, it is characterized in that: said bake out temperature is 100～130 ℃.
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| CN102080327B (en) * | 2010-12-23 | 2012-10-03 | 宜宾海丝特纤维有限责任公司 | Washing process of wood pulp coloring silk |
| CN102535205B (en) * | 2011-12-28 | 2013-09-11 | 浙江纺织服装职业技术学院 | Post-treatment fixation process for fabric dyeing |
| CN104195812B (en) * | 2014-09-10 | 2016-06-01 | 福建福田纺织印染科技有限公司 | Washing process after a kind of stamp |
| CN105442360B (en) * | 2015-12-07 | 2017-10-03 | 西安工程大学 | A kind of dyed fabric removal floating color cleaning agent and removal floating color method |
| CN106118915B (en) * | 2016-07-11 | 2019-01-22 | 山东如意科技集团有限公司 | A kind of soaping agent and its technique of soaping for highly dense flower pattern pure cotton figured cloth |
| CN106012608A (en) * | 2016-08-01 | 2016-10-12 | 太仓市鑫泰针织有限公司 | Simple process for dyeing polyester knitted goods |
| CN108914656A (en) * | 2018-05-18 | 2018-11-30 | 胡果青 | A kind of preparation method of soaping agent |
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