CN102605653A - One-bath processing method for pure-cotton knitted fabric scouring and bleaching and pigment dyeing - Google Patents
One-bath processing method for pure-cotton knitted fabric scouring and bleaching and pigment dyeing Download PDFInfo
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Abstract
The invention relates to a one-bath processing method for pure-cotton knitted fabric scouring and bleaching and pigment dyeing, belonging to the technical field of textile dyeing and finishing. The process adopted in the invention comprises the following steps: (1) carrying out scouring and bleaching treatment on pure-cotton knitted fabric, wherein waste liquid discharge is not needed after the treatment is completed; (2) after the scouring and bleaching treatment is completed, adjusting the treating fluid to a certain condition, and then adding catalase, so that residual hydrogen peroxide is sufficiently decomposed; and (3) preparing a pigment dyeing solution by utilizing the residual fluid and dyeing the pure-cotton knitted fabric, adding a binding agent to the residual fluid after the dyeing is completed for fixation, and finally taking out the knitted fabric and carrying out dehydration, drying and curing treatment. According to the invention, two processes, namely pure-cotton knitted fabric scouring and bleaching and pigment dyeing, are combined and carried out in a same treatment bath, thereby not only ensuring the dyeing effect, but also repeatedly utilizing the scouring and bleaching residual fluid, and being remarkable in water-saving and energy-saving effects.
Description
Technical field
The present invention relates to scouringing and bleaching and pigment dyeing technique of pure cotton knitted fabric, the method with pigment dyeing of particularly in same processing is bathed, scouringing and bleaching belongs to technical field of textile printing.
Background technology
Have a large amount of impurity such as hemicellulose, pectin, wax, cotton seed hulls, natural colouring matter etc. on the pure cotton knitting grey cloth, make the fabric color jaundice, water imbibition is very poor, influences its each item performance.Therefore, carry out to remove natural impurity is that the concise of purpose handled with bleaching, makes fabric obtain good water imbibition and clean outward appearance, is beneficial to the carrying out of processing such as follow-up dyeing.Generally, for energy savings and enhance productivity, knitted fabric concise merged into an operation with bleaching and carried out, and abbreviates the processing of scouringing and bleaching as.After the operation of scouringing and bleaching is accomplished,, in equipment, inject new water then fabric cleaned often with the treatment fluid discharging, at last with fabric drying so that carry out processing such as follow-up dyeing.
Pure cotton knitted fabric can dye with various dyestuffs such as direct, sulfuration, activity and reducing dye etc., and also available coating dyes.Pigment dyeing has advantages such as environmental pollution is little, technology is simple, colorant match is convenient, energy-conservation water-saving, in dyeing, is used widely.Because therefore the loosely organized easy deformation of cotton fabrics generally only can adopt the staining method of intermittently contaminating, and is not suitable for taking continuous knot dyeing technology.At present, the coating that can be used for cotton fabrics dyeing mainly comprises anionic and cationic type coating.Anionic coating does not have affinity to cotton fiber; Can not spontaneously shift when adopting the dip-dye mode to dye to fiber surface; The cation modifier that contains reactive group capable of using carries out preliminary treatment to fiber; Through introducing cation group on the cotton fiber surface, effectively strengthen the adsorption capacity of cotton fiber to anionic coating, reach the purpose that improves the textile dyeing degree of depth.Patent and the bibliographical information relevant with this method are more; As being raw material with BLENDED FABRIC such as tencel/wool, day silk/cottons in the Chinese patent 02160747.8; Adopt the polyfunctional compound of the many alcohol of polyamines that fabric is carried out pre-treatment earlier; Carry out pigment dyeing then, obtain product soft, that COLOR FASTNESS reaches GB.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.Cationic type coating also can be used for the dyeing of pure cotton fabric, and does not need COTTON FABRIC is carried out the modification processing, can effectively shorten dyeing process.Chinese patent CN 101457486B discloses a kind of gemini quaternary ammonium salt type cationic fine paint of utilizing to the method that cellulose and BLENDED FABRIC dye, and can improve the color depth and the vividness of fabric, improves the feel and the COLOR FASTNESS of pigment dyeing fabric.
In a word, in the existing pure cotton knitted fabric dyeing and finishing processing method, fabric is scouringed and bleaching and is handled that dip-dye is two separate processes with coating.COTTON FABRIC is scouringed and bleaching after pre-treatment accomplishes, the treatment fluid of often will scouringing and bleaching discharging, and the new water of the cleaning of when carrying out follow-up pigment dyeing, reinjecting carries out the dye bath preparation.Therefore, current technology water consumption, energy consumption are all bigger, and production efficiency is also lower.The utilization of the present invention treatment fluid of operation after accomplishing of scouringing and bleaching carries out the preparation that pigment dyeing is bathed, and realizes that the pure cotton knitted fabric pre-treatment of scouringing and bleaching bathes with pigment dyeing one and process, and can guarantee dyeing quality, can realize recycle of wastewater again.
Summary of the invention
The purpose of this invention is to provide that a kind of pure cotton knitted fabric is scouringed and bleaching, pigment dyeing one bathes processing technology, utilizes the carrier of the waste liquid of pre-treatment as follow-up pigment dyeing, can guarantee dyeing quality, again to wastewater reuse.
The present invention includes following technology:
(1) the pure cotton knitted fabric pre-treatment of scouringing and bleaching, treatment conditions are: hydrogen peroxide solution 6-10ml/L, hydrogen peroxide stabilizer 2-4g/L, non-ionic surface active agent 3-5g/L, pH11.0-11.5,95 ℃ of temperature, time 50-60min, bath raio 1: 15;
(2) scouring and bleaching finish dealing with after, treatment fluid is cooled to 40-50 ℃, regulator solution pH to 6.5-7.5 adds catalase 3-5g/L, time 20min fully decomposes residual hydrogen peroxide solution;
(3) utilize above-mentioned raffinate preparation pigment dyeing liquid and dyeing, condition is: cationic type coating 1-15%owf, temperature 40-50 ℃, time 60-80min; Dyeing is carried out fixation after accomplishing, and color fixing condition is: adhesive 10-50g/L, and 80 ℃ of temperature, time 20-30min takes out centrifugal dehydration to liquid carrying rate 80-100% with fabric after the completion, in 100 ℃ of oven dry down, under 150 ℃ of conditions, bakes 3-8min then.
The used hydrogen peroxide solution of the present invention is that content of hydrogen peroxide is not less than 35% industrial hydrogen peroxide solution, and the color development system that can make natural colouring matter on the COTTON FABRIC after the decomposition is destroyed and reached the bleaching purpose.Hydrogen peroxide stabilizer is that inorganic hydrogen peroxide bleaching stabilizer is used in commercially available bleaching, can guarantee that hydrogen peroxide solution effectively decomposes unlikely waste and excessive damage cotton fiber in bleaching process.Used non-ionic surface active agent is a fatty alcohol polyethenoxy ether class non-ionic surface active agent paregal O-9.Paregal O-9 assists in removing impurity such as oily wax on the cotton fiber, pectin in the process of scouringing and bleaching, hydrophily that makes COTTON FABRIC etc. reaches requirement; In addition; Because it is it has good peptizaiton to coating, and insensitive to materials such as electrolyte, acid, alkali, compatible strong with the other types dispersant; Therefore; When follow-up preparation pigment dyeing is bathed, can play good dispersion protective effect, guarantee that the cation paint dye bath is in stable status, obtains good Color cation paint.The catalase that adds is that catalase is used in the conventional deoxidation of dyeing, can play quick decomposition to hydrogen peroxide solution, makes it to decompose fully in order to avoid influence follow-up dyeing processing.Cationic type coating is that the CATION mill base is used in commercially available dyeing, plays the purpose to textile dyeing.After dyeing is accomplished, carry out fixation treatment to improve the COLOR FASTNESS of coating on fabric, adhesive therefor is that commercially available dyeing or stamp are used cationic binder, 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 present invention provides that a kind of pure cotton knitted fabric is scouringed and bleaching, processing method is bathed in pigment dyeing one; The waste liquid of will scouringing and bleaching is suitably handled back preparation pigment dyeing bath fabric is dyeed; This method has effectively been simplified treatment process; Can guarantee treatment effect, make full use of pre-treatment waste water again, play the effect that reduces discharge of wastewater, saves the energy.
The specific embodiment
Further specify the present invention through embodiment below.
Embodiment 1
Adopting following technology that pure cotton knitted fabric is implemented handles:
(1) the pure cotton knitted fabric processing of scouringing and bleaching, treatment conditions are: hydrogen peroxide solution 6ml/L, hydrogen peroxide stabilizer 2g/L, non-ionic surface active agent 5g/L, pH11.0,95 ℃ of temperature, time 50min, bath raio 1: 15;
(2) scouring and bleaching finish dealing with after, treatment fluid is cooled to 40 ℃, regulator solution pH to 6.8 adds catalase 3g/L, time 20min fully decomposes residual hydrogen peroxide solution;
(3) utilize above-mentioned raffinate preparation pigment dyeing liquid and dyeing, condition is: the red 15%owf of cationic type coating, 40 ℃ of temperature, time 80min; Dyeing is carried out fixation after accomplishing in raffinate, color fixing condition is: cationic binder 50g/L, and 80 ℃ of temperature, time 30min takes out centrifugal dehydration to liquid carrying rate 90% with fabric after the completion, in 100 ℃ of oven dry down, under 150 ℃ of conditions, bakes 8min then.
Test above-mentioned performance of scouringing and bleaching with the pigment dyeing fabric, the result sees table 1 and 2.
Embodiment 2
Adopting following technology that pure cotton knitted fabric is implemented handles:
(1) the pure cotton knitted fabric processing of scouringing and bleaching, treatment conditions are: hydrogen peroxide solution 8ml/L, hydrogen peroxide stabilizer 3g/L, non-ionic surface active agent 5g/L, pH11.0,95 ℃ of temperature, time 60min, bath raio 1: 15;
(2) scouring and bleaching finish dealing with after, treatment fluid is cooled to 40 ℃, regulator solution pH to 7.0 adds catalase 5g/L, time 20min fully decomposes residual hydrogen peroxide solution;
(3) utilize above-mentioned raffinate preparation pigment dyeing liquid and dyeing, condition is: the blue 10%owf of cationic type coating, 40 ℃ of temperature, time 70min; Dyeing is carried out fixation after accomplishing in raffinate, color fixing condition is: cationic binder 40g/L, and 80 ℃ of temperature, time 30min takes out centrifugal dehydration to liquid carrying rate 90% with fabric after the completion, in 100 ℃ of oven dry down, under 150 ℃ of conditions, bakes 6min then.
Test above-mentioned performance of scouringing and bleaching with the pigment dyeing fabric, the result sees table 1 and 2.
Embodiment 3
Adopting following technology that pure cotton knitted fabric is implemented handles:
(1) the pure cotton knitted fabric processing of scouringing and bleaching, treatment conditions are: hydrogen peroxide solution 10ml/L, hydrogen peroxide stabilizer 4g/L, non-ionic surface active agent 3g/L, pH11.2,95 ℃ of temperature, time 60min, bath raio 1: 15;
(2) scouring and bleaching finish dealing with after, treatment fluid is cooled to 40 ℃, regulator solution pH to 7.0 adds catalase 5g/L, time 20min fully decomposes residual hydrogen peroxide solution;
(3) utilize above-mentioned raffinate preparation pigment dyeing liquid and dyeing, condition is: the yellow 5%owf of cationic type coating, 45 ℃ of temperature, time 60min; Dyeing is carried out fixation after accomplishing in raffinate, color fixing condition is: cationic binder 20g/L, and 80 ℃ of temperature, time 30min takes out centrifugal dehydration to liquid carrying rate 90% with fabric after the completion, in 100 ℃ of oven dry down, under 150 ℃ of conditions, bakes 5min then.
Test above-mentioned performance of scouringing and bleaching with the pigment dyeing fabric, the result sees table 1 and 2.
The table 1 cotton fabrics performance of scouringing and bleaching
| Sample | Water imbibition (experiment of dripping) | Whiteness (WCIE) | Cotton seed hulls |
| Embodiment 1 | ＜1 second | 81.7 | Do not have |
| Embodiment 2 | ＜1 second | 83.6 | Do not have |
| Embodiment 3 | ＜1 second | 84.9 | Do not have |
Table 2 cotton fabrics dyeability
Annotate: crock fastness is graded according to GB/T3920-1997; Soaping fastness is graded according to GB/T3921.3-1997.
Claims (7)
1. pure cotton knitted fabric is scouringed and bleaching, pigment dyeing one bathes processing method, it is characterized in that adopting following technology:
(1) the pure cotton knitted fabric pre-treatment of scouringing and bleaching, treatment conditions are: hydrogen peroxide solution 6-10ml/L, hydrogen peroxide stabilizer 2-4g/L, non-ionic surface active agent 3-5g/L, pH11.0-11.5,95 ℃ of temperature, time 50-60min, bath raio 1: 15;
(2) scouring and bleaching finish dealing with after, treatment fluid is cooled to 40-50 ℃, regulator solution pH to 6.5-7.5 adds catalase 3-5g/L, time 20min fully decomposes residual hydrogen peroxide solution;
(3) utilize above-mentioned raffinate preparation pigment dyeing liquid and dyeing, condition is: cationic type coating 1-15%owf, temperature 40-50 ℃, time 60-80min; Dyeing is carried out fixation after accomplishing, and color fixing condition is: adhesive 10-50g/L, and 80 ℃ of temperature, time 20-30min takes out centrifugal dehydration to liquid carrying rate 80-100% with fabric after the completion, in 100 ℃ of oven dry down, under 150 ℃ of conditions, bakes 3-8min then.
2. pure cotton knitted fabric according to claim 1 is scouringed and bleaching, processing method is bathed in pigment dyeing one, it is characterized in that used hydrogen peroxide solution is that content of hydrogen peroxide is not less than 35% industrial hydrogen peroxide solution.
3. pure cotton knitted fabric according to claim 1 is scouringed and bleaching, processing method is bathed in pigment dyeing one, it is characterized in that used hydrogen peroxide stabilizer is that inorganic hydrogen peroxide bleaching stabilizer is used in commercially available bleaching.
4. pure cotton knitted fabric according to claim 1 is scouringed and bleaching, processing method is bathed in pigment dyeing one, it is characterized in that used non-ionic surface active agent is a fatty alcohol polyethenoxy ether class non-ionic surface active agent paregal O-9.
5. pure cotton knitted fabric according to claim 1 is scouringed and bleaching, processing method is bathed in pigment dyeing one, it is characterized in that used catalase is that catalase is used in the conventional deoxidation of dyeing.
6. pure cotton knitted fabric according to claim 1 is scouringed and bleaching, processing method is bathed in pigment dyeing one, it is characterized in that used cationic type coating is that the CATION mill base is used in commercially available dyeing.
7. pure cotton knitted fabric according to claim 1 is scouringed and bleaching, processing method is bathed in pigment dyeing one, it is characterized in that adhesive therefor is that commercially available dyeing or stamp are used cationic adhesive.
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102852008A (en) * | 2012-09-06 | 2013-01-02 | 青岛大学 | Method for improving cationic paint dyeing uniformity by using ultrasonic waves |
| CN103046400A (en) * | 2013-01-04 | 2013-04-17 | 江苏金辰针纺织有限公司 | Fluorescent staining method for cotton fiber |
| CN103194907A (en) * | 2013-03-13 | 2013-07-10 | 上海嘉乐股份有限公司 | Pretreatment process for cotton knitted fabric low-temperature scouring and bleaching one bath two steps and washing deoxygenation one bath one step method |
| CN103290670A (en) * | 2013-05-16 | 2013-09-11 | 辽宁腾达集团股份有限公司 | Method for removing residual oxygen of pure-cotton knitted fabric by use of heat energy after bleaching |
| CN103643476A (en) * | 2013-12-02 | 2014-03-19 | 常熟市新蕾针织有限公司 | Processing method of ultra-white pure cotton knitted fabric |
| CN104074045A (en) * | 2014-07-01 | 2014-10-01 | 际华三五四三针织服饰有限公司 | Dyeing process of Lycra cotton-containing knitted fabrics |
| CN104695253A (en) * | 2015-03-11 | 2015-06-10 | 西安工程大学 | Cellulosic fiber in-situ mineralization deep water-saving and emission reduction dyeing aftertreatment method and additive |
| CN104746359A (en) * | 2015-03-06 | 2015-07-01 | 南通大学 | Fluorescent paint dip-dyeing method of cotton fabrics |
| CN104790225A (en) * | 2014-01-21 | 2015-07-22 | 吴江新生针纺织有限责任公司 | CVC knitted fabric dyeing and finishing method |
| CN104878630A (en) * | 2015-06-04 | 2015-09-02 | 浙江泛太平洋针织印染有限公司 | Dyeing process of cotton-knitted fabrics |
| CN106320028A (en) * | 2016-08-26 | 2017-01-11 | 浙江正宇纺织印染基地有限公司 | Bleaching and dyeing technique of purified cotton materials |
| CN107620203A (en) * | 2017-09-29 | 2018-01-23 | 石狮市瑞鹰纺织科技有限公司 | A kind of water-saving oxygen bleaching process of pure cotton knitted fabric and its blend fabric |
| CN108360275A (en) * | 2018-01-25 | 2018-08-03 | 石狮市瑞鹰纺织科技有限公司 | A kind of oxygen bleaching one-pass bath method for dyeing dyeing of cellulose fibre |
| CN109235061A (en) * | 2018-07-06 | 2019-01-18 | 新天龙集团有限公司 | The more pattern cotton figured cloth metals of single side material infect color forming method |
| CN114207212A (en) * | 2019-08-27 | 2022-03-18 | 布尔萨利纺织工业和贸易公司 | Environment-friendly dyeing process of cellulose product |
| CN114318899A (en) * | 2021-12-28 | 2022-04-12 | 浙江彩虹庄印染有限公司 | Scouring, bleaching, dyeing and bath dyeing process for polyester-cotton knitted fabric |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102852008A (en) * | 2012-09-06 | 2013-01-02 | 青岛大学 | Method for improving cationic paint dyeing uniformity by using ultrasonic waves |
| CN102852008B (en) * | 2012-09-06 | 2014-05-21 | 青岛大学 | Method for improving cationic paint dyeing uniformity by using ultrasonic waves |
| CN103046400A (en) * | 2013-01-04 | 2013-04-17 | 江苏金辰针纺织有限公司 | Fluorescent staining method for cotton fiber |
| CN103194907A (en) * | 2013-03-13 | 2013-07-10 | 上海嘉乐股份有限公司 | Pretreatment process for cotton knitted fabric low-temperature scouring and bleaching one bath two steps and washing deoxygenation one bath one step method |
| CN103290670A (en) * | 2013-05-16 | 2013-09-11 | 辽宁腾达集团股份有限公司 | Method for removing residual oxygen of pure-cotton knitted fabric by use of heat energy after bleaching |
| CN103643476A (en) * | 2013-12-02 | 2014-03-19 | 常熟市新蕾针织有限公司 | Processing method of ultra-white pure cotton knitted fabric |
| CN104790225A (en) * | 2014-01-21 | 2015-07-22 | 吴江新生针纺织有限责任公司 | CVC knitted fabric dyeing and finishing method |
| CN104074045A (en) * | 2014-07-01 | 2014-10-01 | 际华三五四三针织服饰有限公司 | Dyeing process of Lycra cotton-containing knitted fabrics |
| CN104746359A (en) * | 2015-03-06 | 2015-07-01 | 南通大学 | Fluorescent paint dip-dyeing method of cotton fabrics |
| CN104695253A (en) * | 2015-03-11 | 2015-06-10 | 西安工程大学 | Cellulosic fiber in-situ mineralization deep water-saving and emission reduction dyeing aftertreatment method and additive |
| CN104878630A (en) * | 2015-06-04 | 2015-09-02 | 浙江泛太平洋针织印染有限公司 | Dyeing process of cotton-knitted fabrics |
| CN106320028A (en) * | 2016-08-26 | 2017-01-11 | 浙江正宇纺织印染基地有限公司 | Bleaching and dyeing technique of purified cotton materials |
| CN107620203A (en) * | 2017-09-29 | 2018-01-23 | 石狮市瑞鹰纺织科技有限公司 | A kind of water-saving oxygen bleaching process of pure cotton knitted fabric and its blend fabric |
| CN108360275A (en) * | 2018-01-25 | 2018-08-03 | 石狮市瑞鹰纺织科技有限公司 | A kind of oxygen bleaching one-pass bath method for dyeing dyeing of cellulose fibre |
| CN109235061A (en) * | 2018-07-06 | 2019-01-18 | 新天龙集团有限公司 | The more pattern cotton figured cloth metals of single side material infect color forming method |
| CN114207212A (en) * | 2019-08-27 | 2022-03-18 | 布尔萨利纺织工业和贸易公司 | Environment-friendly dyeing process of cellulose product |
| CN114318899A (en) * | 2021-12-28 | 2022-04-12 | 浙江彩虹庄印染有限公司 | Scouring, bleaching, dyeing and bath dyeing process for polyester-cotton knitted fabric |
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