CN102505532B - Method for promoting pigment dyeing by using cellulase - Google Patents
Method for promoting pigment dyeing by using cellulase Download PDFInfo
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- CN102505532B CN102505532B CN 201110293788 CN201110293788A CN102505532B CN 102505532 B CN102505532 B CN 102505532B CN 201110293788 CN201110293788 CN 201110293788 CN 201110293788 A CN201110293788 A CN 201110293788A CN 102505532 B CN102505532 B CN 102505532B
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Abstract
The invention relates to a method for promoting pigment dyeing by using cellulase, belonging to the technical field of textile printing and dyeing. The method comprises the following steps of: (1) processing the cotton fabric with cellulase so that the cellulase is uniformly adsorbed on the cotton fabric; and taking out the fabric, rapidly centrifugally dewatering and drying the fabric; and (2) prompting the pigment dyeing by virtue of the cellulase adsorbed on the surface of the fabric; directly immersing the fabric in an anionic pigment dyeing solution; stirring and dyeing; after the dyeing is finished, adding an anionic adhesive for color fixation; and finally, taking out the fabric and dewatering, drying and baking the fabric. According to the invention, affinity of the anionic pigment with the cotton fabric is enhanced by using the cellulase; and the color depth of the fabric dyed with pigment can be improved without performing cationization pretreatment on the cotton fabric and environmental influence is little.
Description
Technical field
The present invention relates to a kind of coating dyeing method, particularly utilize cellulase to promote the method for pigment dyeing, belong to technical field of textile printing.
Background technology
Along with the development of dyeing and finishing technique, cotton fabric dyeing process not only comprises dyeing, also comprises pigment dyeing.Adopt coating cotton fabric dyeing process to be had the advantages such as environmental pollution is little, technique is simple, colorant match is convenient, energy-saving water-saving, in dyeing, be used widely.
At present, what printing and dyeing industry was generally used is anionic coating, and anion coating, can not certainly be sent to fiber surface and shift without affinity cotton fiber when therefore adopting the dip-dye mode to dye, cause it COTTON FABRIC can't be dyed certain depth.In order to address this problem, can utilize the cation modifier that contains reactive group that fiber is carried out preliminary treatment, by introducing cation group on the cotton fiber surface, effectively strengthen cotton fiber to the adsorption capacity of anionic coating, reach the purpose that improves the textile dyeing degree of depth.Patent and the bibliographical information relevant with the method are more, as in the Chinese patent 02160747.8 take BLENDED FABRIC such as tencel/wools, day silk/cotton as raw material, adopt first the polyfunctional compound of the many alcohol of polyamines that fabric is carried out pre-treatment, then carry out pigment dyeing, obtain product soft, that COLOR FASTNESS reaches GB.Chinese patent 99119439.X discloses the method to the knitwear pigment dyeing, and employing adds a certain amount of denaturant in the coating dye liquor, and 50-80 ℃ of lower the dip-dye, the rear ready-made clothes of dyeing is put into treatment fluid and carried out fixation, obtains product after the drying.We adopt the mode that COTTON FABRIC is carried out cation-modified pre-treatment to realize the dyeing of coating red 22 in early-stage Study.But, adopt cation-modified method to promote pigment dyeing that dyeing process is increased, and damage the natural excellent characteristic of COTTON FABRIC, and environment is caused certain pollution.
Summary of the invention
The purpose of this invention is to provide a kind of method of utilizing cellulase to promote pigment dyeing, utilize cellulase to improve anionic coating to the dye-uptake of COTTON FABRIC, improve the textile dyeing degree of depth, environmental pollution is little.
The present invention includes following technique:
(1) process COTTON FABRIC with cellulase, make cellulase evenly absorption on COTTON FABRIC, treatment conditions are: cellulase consumption 1-5%owf, temperature 50-55 ℃, pH5.0-5.5, time 30-40min, bath raio 1: 15-1: 20; After finishing dealing with, fabric is taken out rapid centrifugal dehydration, the cloth cover liquid carrying rate is controlled at about 80-100%, then in 100 ℃ of lower oven dry;
(2) will dry afterwards fabric immersion pigment dyeing and dye in bathing, dyeing condition is: anionic coating 1-15%owf, temperature 50-60 ℃, pH7.0-7.5, time 60-80min, bath raio 1: 8-1: 12; Carry out fixation after dyeing is finished in raffinate, color fixing condition is: anion adhesive 10-50g/L, 80 ℃ of temperature, time 20-30min, after finishing fabric is taken out centrifugal dehydration to liquid carrying rate 80-100%, in 100 ℃ of lower oven dry, then under 150 ℃ of conditions, bake 3-10min.
The used cellulase of the present invention is commercially available polishing cellulase, can select the common apparatus such as dyeing machine, rinsing machine to process.The selection of bath raio is careful, needs to satisfy to process the free-pouring needs of fabric, can take 1: 15-1: 20 bath raio, and with the uniformity that guarantees to process.After the cellulase adsorption process is finished, the centrifuge centrifugal dehydration is used in the fabric taking-up, the cloth cover liquid carrying rate is controlled at about 80-100%, then with fabric evenly oven dry under 100 ℃ of temperature, can adopt the drum-type drying plant.COTTON FABRIC after the oven dry can directly be carried out pigment dyeing, needn't adopt cation modifier to carry out modification.Used coating is commercially available dyeing anionic coating, utilizes the Cellulase Molecules that evenly is adsorbed on surface of cotton fabric to finish the short of coating dyed.Cellulase derives from hydrophobic amino acid residue in the structure to the short ability of dying of coating, can with the coating molecular structure in aromatic rings form important π-π and interact and improve affinity, dye uptake is obviously improved.When adopting this method dyeing, because the coating dyeing rate is slower, need to adopt long dyeing time.After dyeing is finished, carry out fixation treatment to improve the COLOR FASTNESS of coating on fabric, the color-fixing agent that adopts is commercially available dyeing anion adhesive, directly joins in the pigment dyeing raffinate to get final product.The certain high-temperature process of fabric dehydration, oven dry and warp makes adhesive at the fabric face film-forming after the fixation, and coating is coated.
The invention provides a kind of method of utilizing cellulase to promote pigment dyeing, the method does not need to carry out cation-modified to COTTON FABRIC, but utilization is adsorbed on the cellulase raising anion coating of surface of cotton fabric and the affinity between the fabric, thereby improve dye-uptake and the textile dyeing degree of depth of coating, little to ambient influnence.
The specific embodiment
Further specify the present invention below by embodiment.
Embodiment 1
Adopt following technique to light and thin type pure cotton fabric (100g/m
2) the execution pigment dyeing:
(1) utilize cellulase in dyeing machine fabric to be processed, process conditions are as follows: the cellulase consumption is 1%owf, 55 ℃ of temperature, pH5.2, time 30min, bath raio 1: 20; After finishing fabric taken out and with centrifuge dewatering to liquid carrying rate 90%, then in 100 ℃ of drying in oven;
(2) fabric after will drying carries out pigment dyeing, and process conditions are as follows: the red 3%owf of anionic coating, 55 ℃ of temperature, pH7.0, time 70min, bath raio 1: 10; Carry out fixation treatment after the dyeing, process conditions are as follows: anion adhesive 10g/L, 80 ℃ of temperature, time 20min; At last, to 90%, 100 ℃ of oven dry of liquid carrying rate, 150 ℃ bake 5min with the fabric centrifugal dehydration.
Color depth K/S value and the COLOR FASTNESS of test above-mentioned coating DYED FABRICS the results are shown in Table 1.
Embodiment 2
Adopt following technique to medium-thick type pure cotton fabric (180g/m
2) the execution pigment dyeing:
(1) utilize cellulase in dyeing machine fabric to be processed, process conditions are as follows: cellulase 3%owf, 55 ℃ of temperature, pH5.4, time 40min, bath raio 1: 20; After finishing fabric taken out and with centrifuge dewatering to liquid carrying rate 90%, then with fabric 100 ℃ of drying in oven;
(2) fabric after will drying carries out pigment dyeing, and process conditions are as follows: anionic coating yellow 8%, 55 ℃ of temperature, pH7.0, time 80min, bath raio 1: 10; Carry out fixation treatment after the dyeing, process conditions are as follows: anion adhesive 30g/L, 80 ℃ of temperature, time 30min; At last, to 90%, 100 ℃ of oven dry of liquid carrying rate, 150 ℃ bake 8min with the fabric centrifugal dehydration.
Color depth K/S value and the COLOR FASTNESS of test above-mentioned coating DYED FABRICS the results are shown in Table 1.
Embodiment 3
Adopt following technique to thick and heavy type pure cotton fabric (250g/m
2) the execution pigment dyeing:
(1) utilize cellulase in dyeing machine fabric to be processed, process conditions are as follows: cellulase 5%owf, 55 ℃ of temperature, pH5.2, time 40min, bath raio 1: 20; After finishing fabric taken out and with centrifuge dewatering to liquid carrying rate 95%, then with fabric 100 ℃ of drying in oven;
(2) fabric after will drying carries out pigment dyeing, and process conditions are as follows: the blue 15%owf of anionic coating, 55 ℃ of temperature, pH7.0, time 80min, bath raio 1: 10; Carry out fixation treatment after the dyeing, process conditions are as follows: anion adhesive 50g/L, 80 ℃ of temperature, time 30min; At last, to 90%, 100 ℃ of oven dry of liquid carrying rate, 150 ℃ bake 10min with the fabric centrifugal dehydration.
Color depth K/S value and the COLOR FASTNESS of test above-mentioned coating DYED FABRICS the results are shown in Table 1.
Color depth K/S value and the COLOR FASTNESS of table 1 pigment dyeing fabric
Annotate: crock fastness is graded according to GB/T3920-1997; Soaping fastness is graded according to GB/T3921.3-1997.
Claims (4)
1. method of utilizing cellulase to promote pigment dyeing is characterized in that adopting following technique:
(1) process COTTON FABRIC with cellulase, make cellulase evenly absorption on COTTON FABRIC, treatment conditions are: cellulase consumption 1-5%o.w.f, temperature 50-55 ℃, pH 5.0-5.5, time 30-40min, bath raio 1: 15-1: 20; After finishing dealing with, fabric is taken out rapid centrifugal dehydration, make the cloth cover liquid carrying rate be controlled at 80-100%, then in 100 ℃ of lower oven dry;
(2) will dry afterwards fabric immersion pigment dyeing and dye in bathing, dyeing condition is: anionic coating 1-15%o.w.f, temperature 50-60 ℃, pH 7.0-7.5, time 60-80min, bath raio 1: 8-1: 12; Carry out fixation after dyeing is finished in raffinate, color fixing condition is: anion adhesive 10-50g/L, 80 ℃ of temperature, time 20-30min, after finishing fabric is taken out centrifugal dehydration to liquid carrying rate 80-100%, in 100 ℃ of lower oven dry, then under 150 ℃ of conditions, bake 3-10min.
2. method according to claim 1 is characterized in that used cellulase is commercially available polishing cellulase.
3. method according to claim 1 is characterized in that used anionic coating is commercially available dyeing anion coating.
4. method according to claim 1 is characterized in that used anion adhesive is commercially available dyeing anion adhesive.
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| CN 201110293788 CN102505532B (en) | 2011-09-26 | 2011-09-26 | Method for promoting pigment dyeing by using cellulase |
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| CN 201110293788 CN102505532B (en) | 2011-09-26 | 2011-09-26 | Method for promoting pigment dyeing by using cellulase |
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| CN102505532B true CN102505532B (en) | 2013-05-01 |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102851938B (en) * | 2012-08-31 | 2014-10-22 | 江苏高博智融科技有限公司 | Printing and dyeing method for cotton fibers |
| CN103397531A (en) * | 2013-08-19 | 2013-11-20 | 福建众和股份有限公司 | Matte finishing method and low-temperature low-alkali production method of cotton fabrics |
| CN103556490A (en) * | 2013-10-16 | 2014-02-05 | 南通泰慕士服装有限公司 | Pigment dyeing method for cheese |
| CN104278564A (en) * | 2014-09-26 | 2015-01-14 | 无锡市东北塘宏良染色厂 | Dyeing agent and method for dyeing nylon fabric by using dyeing agent |
| CN108893976B (en) * | 2018-07-29 | 2020-09-25 | 青岛大学 | Method for improving attachment amount and uniformity of silver particles on cotton fabric in reduction process |
| CN110424163B (en) * | 2019-07-17 | 2022-02-22 | 广东溢达纺织有限公司 | Pure cotton knitted fabric with alternate color textures and antique style and manufacturing method thereof |
| CN110714343A (en) * | 2019-11-01 | 2020-01-21 | 华纺股份有限公司 | Vintage dyeing method for home textile finished product |
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| WO1997040229A1 (en) * | 1996-04-19 | 1997-10-30 | Novo Nordisk A/S | Fabric treated with a cellulase and a hybrid enzyme comprising a phenol oxidizing enzyme |
| CN101457485A (en) * | 2008-11-07 | 2009-06-17 | 芜湖富春染织有限公司 | Cheese dyeing process |
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| CN102154837A (en) * | 2010-12-22 | 2011-08-17 | 青岛大学 | Inactivation method for polished cellulolytic enzyme |
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Patent Citations (4)
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| WO1997040229A1 (en) * | 1996-04-19 | 1997-10-30 | Novo Nordisk A/S | Fabric treated with a cellulase and a hybrid enzyme comprising a phenol oxidizing enzyme |
| CN101736579A (en) * | 2008-11-04 | 2010-06-16 | 鞍山博亿印染有限责任公司 | Method for chemical modification, pigment dyeing and overflow sand washing of fiber |
| CN101457485A (en) * | 2008-11-07 | 2009-06-17 | 芜湖富春染织有限公司 | Cheese dyeing process |
| CN102154837A (en) * | 2010-12-22 | 2011-08-17 | 青岛大学 | Inactivation method for polished cellulolytic enzyme |
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