CN102409565A - One-bath one-step process for dispersing/reactive dye of cotton-polyester blended fabric - Google Patents
One-bath one-step process for dispersing/reactive dye of cotton-polyester blended fabric Download PDFInfo
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- CN102409565A CN102409565A CN2010102910408A CN201010291040A CN102409565A CN 102409565 A CN102409565 A CN 102409565A CN 2010102910408 A CN2010102910408 A CN 2010102910408A CN 201010291040 A CN201010291040 A CN 201010291040A CN 102409565 A CN102409565 A CN 102409565A
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Abstract
The invention relates to a one-bath one-step process for a dispersing/reactive dye of a cotton-polyester blended fabric. The one-bath one-step process mainly comprises the following steps performed on the cotton-polyester blended fabric: dispersing/reactive dye one-bath pad dyeing; infrared and hot-air drying in advance; high-temperature baking fixation; padding in a reactive dye fixation solution; steam fixation; water washing; soaping; water washing; drying; terylene dyeing; and obtaining finished cloth. The one-bath one-step process is characterized by fully padding an unstained cotton-polyester blended fabric in a dispersing/reactive dye one-bath solution, introducing infrared and hot air so as to dry 60-70% of water in the fabric in advance, baking at high temperature so as to dye and fix color for polyester fibers, fully padding in the reactive dye fixation solution, performing steam fixation so as to dye and fix color for cotton fibers, and performing the processes of water washing, soaping and water washing so as to fully develop color on the fabric and fully wash off the surface dyeing on the fabric, thereby finishing a dyeing process. The dry and wet grinding fastness can fully meet the customer demand.
Description
Technical field
The present invention relates to the hyperchromatic dyeing and finishing technology of polyester cotton, specifically a kind of polyester cotton dispersion/REACTIVE DYES dye deep colour dyeing technology with bathing pad dyeing one bath one-step method.
Background technology
The polyester cotton series of products are very general in the world, domestic market.Its applied range, the market share are big; Its product chromatogram is extensive, A wide selection of colours and designs.But polyester cotton dyes dark color, if use dispersion/reducing dye, the degree of depth is difficult for reaching, and dyestuff consumes higher, and blowdown flow rate is bigger, and production cost is too high, so, generally all do not adopt this kind process combination; And when using dispersion/REACTIVE DYES, ubiquity dry grinding and the relatively poor problem of wet-milling fastness.So domestic more printing and dyeing enterprise adopts dispersion, REACTIVE DYES pad dyeing two one-bath two-step process to carry out the dyeing processing of dark product more at present.Its process route is: the polyester cotton that is unstained → disperse dyeing of polyester fiber → preliminary drying (infrared preliminary drying, hot blast preliminary drying) → high temperature curing fixation → decatize reduction cleaning → wash → soap → wash → dry → Dyeing of Cotton Fabric with Reactive Dyes fiber → preliminary drying → dry → pad reactive dye color fixing liquid → decatize (fixation) → wash → soap → wash → dry (polyester-cotton blend stained clot-h).There is following problem in the above-mentioned dyeing technology:
1. complex process, technical risk is big.Must dye polyster fibre earlier, cotton fiber is dyed in oven dry again after the decatize reduction cleaning, and uncontrollable technological fluctuation factor is many in the production, and form and aspect are difficult to hold; Simultaneously owing to be to want earlier the dyeing course of polyster fibre to be accomplished; Dye the dyeing finished product that cotton fiber can obtain polyester cotton again; And if occur recessive quality problems when dying polyster fibre; Then only after having dyed cotton fiber, can display, so be unfavorable for that the dyeing course risk is bigger to the control of technical indicators such as product form and aspect, cloth cover evenness, presentation quality.
2. energy consumption is high, blowdown flow rate is big, and production efficiency is low.Though this technology can to a certain degree improved dried, the wet-milling fastness of product down, because of this technology because to the polyester cotton dyeing (once dye polyster fibre, once dye cotton fiber) at twice of being unstained, so energy consumption is high, blowdown flow rate is big; Also exist long partially shortcoming of production cycle simultaneously, seriously restricting the raising of production efficiency; So this technology is the needs of incompatibility current social development more and more.
Summary of the invention
The objective of the invention is to use in the hyperchromatic dyeing production Technology of dispersion/REACTIVE DYES pad dyeing two one-bath two-step process to existing; Shortcomings such as big, the complex process of technical risk in the dyeing course, the production cycle is long partially, energy consumption is high, blowdown flow rate is big, production efficiency is on the low side, provide a kind of simple, efficient, time saving and energy saving, be convenient to operate and the polyester cotton dispersions/REACTIVE DYES of quality control with bathing the hyperchromatic new process of pad dyeing one bath one-step method.
Technical scheme of the present invention is: a kind of polyester cotton dispersion/REACTIVE DYES are bathed the hyperchromatic dyeing of one-step method with bathing pad dyeing one, mainly comprise and polyester cotton are disperseed/REACTIVE DYES bath pad dyeing together infrared ray and hot blast preliminary drying; The high temperature curing fixation pads reactive dye color fixing liquid, vapour steaming colour fixing; Once washing; Soap secondary water washing, oven dry, polyester-cotton blend dyeing finished fabric cloth; It is characterized in that: the polyester cotton that will be unstained fully pads dispersion/REACTIVE DYES with bathing feed liquid; The moisture of 60-70% in the infrared ray hot blast prebake fabric, bake through high temperature and make polyster fibre dyeing, fixation (being the disperse dyeing of polyester fiber) again, fully pad reactive dye color fixing liquid again, make cotton fiber dyeing, fixation (being the Dyeing of Cotton Fabric with Reactive Dyes fiber) through vapour steaming colour fixing; Through washing, soap, washing, the fabric face loose colour is fully washed off again, accomplished required dyeing overall process.Finished product is through detecting, and its wet-milling fastness can reach GB more than 3 grades, and the dry grinding fastness reaches GB more than 4 grades, can fully satisfy requirement of client.
Polyester cotton dispersion/REACTIVE DYES according to the invention are bathed the hyperchromatic dyeing of one-step method with bathing pad dyeing one, and its dyeing step is:
1, fabric fully pads dispersion/REACTIVE DYES mixed liquor (dye solution is prepared by different form and aspect requirements) through even mangle groove.
2, the dispersion/REACTIVE DYES mixing dye liquor of preparation, used DISPERSE DYES are elite novel high washing fastness DISPERSE DYES: disperse black WF-XF, disperse yellow brown WF-XF, disperse dark blue WF-XF; Used REACTIVE DYES are the high temperature resistant type REACTIVE DYES: reactive black SNE, reactive yellow SHE, reactive red SHE;
3, employed soaping agent is elite a kind of novel polyester-cotton blend one bath soap lotion EA-265;
4, the semi-finished product polyester-cotton fabric that is unstained fully pads dispersion/REACTIVE DYES with bathing (dye liquor concentration is prepared by different form and aspect requirements) behind the dye liquor; (the preliminary drying temperature is generally 100-120 ℃ through infrared preliminary drying, hot blast preliminary drying; Time is 3-5 minute); The high temperature that passes through 200--220 ℃ again bakes, and makes and dyes polyster fibre on the DISPERSE DYES;
5, pad vapour steaming colour fixing behind the reactive dye color fixing liquid, reactive dye color fixing liquid adopts caustic soda NaOH (28 ° of Be '), soda ash Na
2CO
3The mixed liquor of (industry), industrial salt NaCL (95%), reservehao S (75%) etc. is as fixation liquid (it is fixed that each part consumption comes according to the concentration of REACTIVE DYES in used dispersion/REACTIVE DYES mixed liquor); The dyestuff fabric is decatize in the decatize case; Steam in the decatize case is saturated vapor; Decatize oven temperature, degree is 102-105 ℃, and pressure is 0.15Mpa, and the time is 60-80 second (specifically being decided by the speed of a motor vehicle);
6, in the washing step of the present invention, fabric is more than flat wash trough 3 lattice, through 60-70 ℃ of washing;
7, in the soap boiling operation of the present invention, soap boiling the temperature inside the box is 90-100 ℃; Novel polyester-cotton blend one bath soap lotion EA-265 consumption is decided with bathing dye liquor concentration according to dispersion/REACTIVE DYES;
8, in the secondary water washing operation of the present invention, fabric is washed in the above hot water of flat wash trough 3 lattice, and wherein the first lattice temperature is that 90-100 ℃, second lattice and the 3rd lattice temperature are 75-85 ℃, and the water in the flat wash trough will flow backwards.In above-mentioned operation process:
1, the polyester cotton that is unstained is the semi-finished product of doing pre-treatment arrangement;
2, used DISPERSE DYES are novel high washing fastness DISPERSE DYES: disperse black WF-XF, disperse yellow brown WF-XF, disperse dark blue WF-XF; Used REACTIVE DYES are high temperature resistant REACTIVE DYES: reactive black SNE, reactive yellow SHE, reactive red SHE, auxiliary agent are NaOH, soda ash Na
2CO
3, industrial salt NaCL, reservehao S, novel polyester-cotton blend one bath soap lotion EA-265 etc. be the product of outsourcing.
The present invention compares with existing production technology; Have the following advantages: polyester cotton dispersion/REACTIVE DYES of the present invention are bathed the hyperchromatic technology that the hyperchromatic dyeing of one-step method has changed original two one bath two-step methods with bathing pad dyeing one; Not only production risk is big, energy consumption is high, efficient is low for original two one bath two-step method technologies, and blowdown flow rate is big; This technology changes original required twice dyeing, twice cleaning once dyeing into, once cleans, and (reduction cleaning generally need be used NaOH and Na particularly to have saved a reduction cleaning
2S
2O
4), significantly reduce the content of COD in institute's effluent, and reduced about 50% water consumption, power consumption, steam consumption etc., when significantly cutting down the consumption of energy, also greatly reduce the technical risk in the production process.Simultaneously; Through the screening to DISPERSE DYES and REACTIVE DYES, the used DISPERSE DYES of former technology, REACTIVE DYES are compared in novel high washing fastness DISPERSE DYES that this technology is picked out and the combination of high temperature resistant type REACTIVE DYES; Can reduce respectively about 20-30% on the cost; Not only reduced the consumption of dying material, and dyeing back finished product wet-milling fastness reaches 3 grades of GBs, the dry grinding fastness reaches GB more than 4 grades, can fully satisfy requirement of client; Also shorten the production time simultaneously, improved production efficiency, reduced energy resource consumption, reduced production cost; Particularly greatly reduce blowdown flow rate, reached purpose energy-conservation, that lower consumption, reduce discharging.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is described further
Fig. 1 is the dyeing route maps of existing dispersion/REACTIVE DYES to polyester cotton;
Fig. 2 is that dispersion/REACTIVE DYES of the present invention are bathed the hyperchromatic dyeing route of one-step method sketch map with bathing pad dyeing one
The specific embodiment
Embodiment 1: with 14 * 14
T65/
C35(93 * 55) polyester-cotton blend black yarn card cloth is example; Concrete processing step is following:
1. sample colour combination:, choose DISPERSE DYES: disperse dark blue WF-XF (10.89g/L), Fen San through laboratory sample colour combination ?WF-XF (65.6g/L), disperse yellow brown WF-XF (15.12g/L); The colorant match prescription of REACTIVE DYES: reactive black SNE (22.46g/L), five kinds of dyestuffs of reactive yellow SHE (0.49g/L);
2, confirm the consumption of various auxiliary agents in the fixation liquid by REACTIVE DYES concentration; The total consumption of example this prescription dispersion/REACTIVE DYES is 110g/L; Then NaOH (28 ° of Be ') consumption is controlled at 10-15g/L; NaCl (95%) consumption is controlled at 300-400g/L, and reservehao S (75%) is controlled at 5-10g/L, novel polyester-cotton blend one bath soap lotion EA-265 (industry) consumption 40-50g/L;
3, will disperse/REACTIVE DYES add and roll in the hopper with bathing feed liquid, and fabric is fully absorbed after the feed liquid through evenness calender, roll surplus liquid;
4, through infrared preliminary drying, the moisture of 60--70% gets into preliminary drying case preliminary drying, again with fabric drying (100-120 ℃ of preliminary drying temperature in the oven dry fabric; Time 3-5 minute);
5, the fabric after the oven dry gets into high temperature baking oven curing fixation, and the baking oven temperature is between 200-220 ℃, and the time that bakes is specifically come fixed (being generally 2-4 minute) by the speed of a motor vehicle;
6, make fabric through active fixation mangle groove again; Make the abundant absorbing activity dye fixing of fabric liquid (fixation formula of liquid content, concentration can be adjusted with bathing dye liquor concentration according to used); After evenness calender rolls surplus liquid; Get into enclosed slot before the dry blowing case (add in the enclosed slot with active fixation mangle groove in the fixation liquid of same concentrations), soak into reactive dye color fixing liquid once more after, get into vapour steaming colour fixing in the dry blowing case;
7, washing step: with 60--70 ℃ of hot water washing, flat wash trough 3 lattice, the open washing trough inner water will flow backwards;
8, soap washing: two lattice of soaping, used soaping agent are elite a kind of novel polyester-cotton blend one bath soap lotion EA-265, between temperature 90-100 ℃, keep continuous materials flow amount 120-150L/ hour, the loose colour on the flush away fabric;
9, secondary water washing operation: fabric is gone into hot water wash in flat wash trough 3 lattice, and wherein the first lattice temperature is 90--100 ℃, 75--85 ℃ of second lattice, the 3rd lattice temperature, and the open washing trough inner water will flow backwards;
10, baking operation: fabric is dried on the steam rotary drum dryer, and the oven dry back is polyester-cotton blend dyeing finished fabric.
Claims (2)
1. polyester cotton dispersion/REACTIVE DYES one are bathed the one-step method dyeing, mainly comprise polyester cotton being disperseed/REACTIVE DYES bath pad dyeing together infrared ray and hot blast preliminary drying; The high temperature curing fixation pads reactive dye color fixing liquid, vapour steaming colour fixing; Once secondary water washing is soaped in washing; Oven dry, polyester-cotton blend stained clot-h is characterized in that: the polyester cotton that will be unstained fully pads dispersions/REACTIVE DYES with bathing feed liquid, and the fabric infrared preliminary drying is knitted dry 60-70% moisture, baked through high temperature and make that polyster fibre dyes, fixation again; Fully pad reactive dye color fixing liquid again, make cotton fiber dyeing, fixation through vapour steaming colour fixing; Through washing, soap, washing, the fabric face loose colour is fully washed off again, accomplished required dyeing.。
2. bathe the one-step method dyeing according to claims 1 described polyester cotton dispersion/REACTIVE DYES one, it is characterized in that: its processing step is:
1). sample colour combination: through laboratory sample colour combination, choose DISPERSE DYES: disperse dark blue WF-XF is that the diffusing ?WF-XF of 10.89g/L, branch is that 65.6g/L, disperse yellow brown WF-XF are 15.12g/L; REACTIVE DYES: reactive black SNE is that 22.46g/L, reactive yellow SHE are the colorant match prescription of five kinds of dyestuffs of 0.49g/L;
2), confirm the consumption of various auxiliary agents in the fixation liquid by REACTIVE DYES concentration; The total consumption of dispersion/REACTIVE DYES is 110g/L in the prescription; Then NaOH is 28 ° of Be ', and consumption is controlled at 10-15g/L; NaCl is 95%, and consumption is controlled at 300-400g/L; Reservehao S is 75%, and consumption is controlled at 5-10g/L; Novel polyester-cotton blend one bath soap lotion EA-265 consumption 40-50g/L;
3), will disperse/REACTIVE DYES add and roll in the hopper with bathing feed liquid, and fabric is fully absorbed after the feed liquid through evenness calender, roll surplus liquid;
4), through the moisture of infrared preliminary drying dry fabric 60--70%, get into 100-120 ℃ of preliminary drying case again, preliminary drying 3-5 minute, with fabric drying;
5), the fabric after the oven dry gets into curing fixation in the high temperature baking oven, the baking oven temperature is between 200-220 ℃, bakes 2-4 minute;
6) make fabric through active fixation mangle groove, again, make the abundant absorbing activity dye fixing of fabric liquid, after evenness calender rolls surplus liquid, get into enclosed slot before the dry blowing case, soak into reactive dye color fixing liquid once more after, get into vapour steaming colour fixing in the dry blowing case;
7), a washing step: with the washing of 60--70 ℃ of hot water, flat wash trough 3 lattice, the open washing trough inner water will flow backwards;
8), soap washing: two lattice of soaping, used soaping agent are elite a kind of novel polyester-cotton blend one bath soap lotion EA-265, between temperature 90-100 ℃, keep continuous materials flow amount 120-150L/ hour, the loose colour on the flush away fabric;
9), the secondary water washing operation: fabric is gone into hot water wash in flat wash trough 3 lattice, and wherein the first lattice temperature is 90-100 ℃, 75-85 ℃ of second lattice, the 3rd lattice temperature, the open washing trough inner water will flow backwards;
10), baking operation: fabric is dried on the steam rotary drum dryer, and the oven dry back is polyester-cotton blend dyeing finished fabric.
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| CN102758363A (en) * | 2012-07-12 | 2012-10-31 | 浙江华孚色纺有限公司 | Multi-color blended yarn and fabric and production method thereof |
| CN102852013A (en) * | 2012-08-31 | 2013-01-02 | 绍兴文理学院 | Dispersing/reducing printing process for polyester/cotton blended fabric |
| CN102912661A (en) * | 2012-11-07 | 2013-02-06 | 愉悦家纺有限公司 | Fixation treating method for fabric |
| CN103132351A (en) * | 2012-12-06 | 2013-06-05 | 晋江市龙兴隆染织实业有限公司 | Polyester cotton dyeing one-bath process manufacturing process |
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Application publication date: 20120411 |