CN102912655A - Reactive printing method - Google Patents
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- CN102912655A CN102912655A CN2012104553705A CN201210455370A CN102912655A CN 102912655 A CN102912655 A CN 102912655A CN 2012104553705 A CN2012104553705 A CN 2012104553705A CN 201210455370 A CN201210455370 A CN 201210455370A CN 102912655 A CN102912655 A CN 102912655A
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Abstract
The invention provides a reactive printing method which comprises the following steps of: mixing a dissolved dye with a thickener so as to obtain printing paste; carrying out printing on a fabric by using the printing paste, and drying the fabric; padding the dried fabric into alternative alkali liquor for fixation, and carrying out room-temperature piling on the fabric; and carrying out water washing and drying on the fabric subjected to piling so as to obtain a reactive printing fabric. According to the invention, the reactive printing is completed by adopting a two-step method, and the printing paste does not contain an alkaline agent for fixation in the process of printing, so that the stability of the paste is good, the printing color is dark, and the dye utilization rate is high. Fabrics subjected to printing drying are subjected to alkali padding and room-temperature piling, so that dyes react with fibers under alkaline conditions and achieve an effect of complete dyeing, thereby achieving a fixation effect; and in a fixation method, the fixation temperature is low, so that the dye utilization rate is improved, the dyeing depth and the color fastness are also improved, and the chromaticity of wastewater is reduced, thereby facilitating environmental protection. In addition, according to the invention, the application amount of auxiliaries is reduced, thus the effects of energy conservation and emission reduction are achieved.
Description
Technical field
The present invention relates to the textile printing field, particularly the method for reactive printing.
Background technology
Reactive printing belongs to a kind of of direct printing technique, is the most frequently used printing technology of cellulose base fiber fabric.It adopts REACTIVE DYES to penetrate into fabric and is combined with fiber molecule, thereby forms various decalcomanias.The fabric color of reactive printing is beautiful, and COLOR FASTNESS is good, and feel is soft, and fugitive color is not just used as new.
The reaction of general REACTIVE DYES and cellulose fibre is carried out in alkaline medium, present reactive printing technique is: alkaline agent, dyestuff, former paste and other additives etc. are added to together make print paste in the slurry, by screen-printing machine mill base is printed on the certain decorative pattern of formation on the fabric; Carry out steaming and color fixing behind the stamp and process, then will not anchor at the impurity such as the dyestuff that has been hydrolyzed on the fabric and former paste through washing and wash off, thereby finally obtain Printing.
Wherein, in the process of steaming and color fixing, fabric heats up rapidly after running into saturated vapor, and condensate water makes dyestuff and the various agent dissolves in the mill base and is deep in the fiber, to the fibrous inside diffusion, finally reaches the purpose of fixation.But when utilizing steaming and color fixing and since temperature raise make dyestuff accelerate to dye with the fixation reaction in, its hydrolysis speed of following also accelerates to cause the utilization rate of dyestuff low, the washing difficulty is large, the colourity of waste water improves, and has increased burden to wastewater treatment.Therefore dyefastness is difficult to assurance, particularly bubble fastness, and dark product only can reach 2 grades.
Summary of the invention
The technical problem that the present invention solves is to provide a kind of reactive printing method, and dye utilization rate is high, and dyefastness is good.
The invention provides a kind of reactive printing method, may further comprise the steps:
(A) dyestuff and the thickener modulation with dissolving obtains print paste;
(B) utilize the described print paste of step (A) that fabric is carried out stamp, and dry;
(C) the textile pad substitutive soda liquid after will drying carries out stacking at room temperature;
(D) washing of the fabric debatching after will banking up, drying is processed, and obtains the reactive printing fabric.
Preferably, in the described step (C), the temperature of described substitutive soda liquid is 20 ~ 25 ℃.
Preferably, in the described step (C), pick-up is 50% ~ 60% during described padding.
Preferably, in the described step (C), the temperature of described stacking at room temperature is 20 ~ 30 ℃.
Preferably, in the described step (C), the time of described stacking at room temperature is 12 ~ 16 hours.
Preferably, in the described step (C), describedly also comprise clot after padding substitutive soda liquid.
Preferably, in the described step (C), described clot speed is 35 ~ 45m/min.
Preferably, in the described step (A), also comprise reserve salt and chelating agent in the described print paste.
Preferably, in the described step (A), the viscosity of described print paste is 2800 ~ 3200mpa.s.
Preferably, in the described step (D), described washing comprises that carrying out successively first washes, soaps and the second washing.
Compared with prior art, the present invention adopts two-step method to finish reactive printing, at first utilizes the print paste of dyestuff and thickener modulation that fabric is carried out stamp, and dry, then with the textile pad substitutive soda and carry out stacking at room temperature, finally by washing and drying, obtain the reactive printing fabric.Do not contain fixation alkaline agent in the print paste in the stamp process of the present invention, stability of pigment paste is good, and printed color is dark, and dye utilization rate is high.And the dried fabric of stamp makes dyestuff react and reach fully with fiber under alkali condition to dye by rolling substitutive soda agent, stacking at room temperature, thereby reaches the effect of fixation; In the described color-fixing method, color fixing temperature is low, and the utilization rate that has therefore not only improved dyestuff has also improved dye level and fastness, has reduced chroma in waste water, is beneficial to environmental protection.In addition, the present invention does not use steam to carry out fixation, has saved the energy, and does not use urea to carry out the moisture absorption hydrotropy, has reduced ammonia nitrogen in waste water content, has reduced the use amount of auxiliary agent, is beneficial to environmental protection and reduces cost.To sum up the present invention has realized energy-saving and emission-reduction.
Description of drawings
The alkali immerging device that Fig. 1 provides for the embodiment of the invention.
The specific embodiment
In order further to understand the present invention, below in conjunction with embodiment the preferred embodiment of the invention is described, but should be appreciated that these describe just as further specifying the features and advantages of the present invention, rather than to the restriction of claim of the present invention.
The embodiment of the invention discloses a kind of reactive printing method, may further comprise the steps:
(A) dyestuff and the thickener modulation with dissolving obtains print paste;
(B) utilize the described print paste of step (A) that fabric is carried out stamp, and dry;
(C) the textile pad substitutive soda liquid after will drying carries out stacking at room temperature;
(D) washing of the fabric debatching after will banking up is processed through super-dry, obtains the reactive printing fabric.
According to the present invention, at first with dyestuff and the thickener modulation of dissolving, obtain print paste.The dissolving method of described dyestuff is preferably: after dyestuff is used cold water furnishing pasty state, add 60 ~ 75 ℃ hot water, be stirred to dye granule and fully dissolve, solution is transparent clear state and gets final product.Described thickener is preferably sodium alginate.With dyestuff and the thickener modulation of dissolving evenly, can obtain print paste, dyestuff is reduced when preventing stamp, preferably adding reserve salt and chelating agent in described print paste.Described reserve salt is preferably reservehao S, and chelating agent is preferably CM-5.The viscosity of described print paste is preferably 2800 ~ 3200mpa.s, more preferably 3000 ~ 3100mpa.s.
After obtaining print paste, utilize print paste that fabric is carried out stamp.Described fabric has good permeability, and preferred warp, broadwise capillary effect should reach more than the 7cm/5min., and whiteness reaches 65, and desizing grade reaches 6 ~ 7 grades.Preferably through carrying out stamp after the pre-treatment, described pre-treatment is described fabric again: with grey cloth successively through turning over seam, singe, destarch, mercerising and heat treatment, obtain fabric.Preferred pH value is 7.0 ~ 9.0 during described mercerising.Described setting temperature is preferably 140 ~ 150 ℃, preferably adjusts fabric width during described typing, and the moisture of fabric is preferably 4 ~ 6% after the typing.The present invention does not have particular restriction to described stamp, gets final product according to mode well known to those skilled in the art, preferably utilizes printing machine to carry out stamp, and the printing machine speed of a motor vehicle is preferably 35 ~ 45m/min.After stamp is finished, can dry, the present invention does not have particular restriction to the device of described oven dry, is preferably infrared preliminary drying and does and hot-air drying unit.Fabric after the oven dry, feel is not become damp, and moisture content of fabric is 4 ~ 6% to get final product.
According to the present invention, the fabric after the oven dry can pad substitutive soda liquid, carries out stacking at room temperature.Described alkali immerging and the purpose of carrying out stacking at room temperature are fixation.Described substitutive soda liquid is preferably the substitutive soda DA-GS-770 that Qingdao Ying Na chemistry Science and Technology Ltd. produces.Described substitutive soda liquid has solubilising and peptizaiton, can assemble by the establishment dyestuff, assembles and color dot and the look stain of generation thereby alleviate dyestuff, is conducive to stacking at room temperature to make even dyeing, avoids the kind inside and outside aberration of giving birth to, the dye level of raising fabric.The temperature of described substitutive soda liquid is preferably 20 ~ 25 ℃, more preferably 22 ~ 24 ℃; Pick-up is 50% ~ 60% during described padding, more preferably 50 ~ 53%.The present invention does not have particular restriction to the described device that pads, and is preferably evenness calender, and the pressure of described padding machine is preferably left 0.23MPa, middle 0.18MPa, right 0.23MPa.
After fabric evenly padded substitutive soda liquid, preferably carry out again stacking at room temperature through after the clot.The speed of described clot is preferably 35 ~ 45m/min, more preferably 38 ~ 42m/min.The present invention does not have particular restriction to the mode of clot, utilizes originally to receive coiler known by the technical staff and carry out clot and get final product.The temperature of described stacking at room temperature is 20 ~ 30 ℃, more preferably 23 ~ 25 ℃.The time of described stacking at room temperature is preferably 12 ~ 16 hours, more preferably 13 ~ 14 hours.
The present invention preferably adopts device shown in Figure 1 to pad substitutive soda liquid, the alkali immerging device that Fig. 1 provides for the embodiment of the invention, and 1 is roll, 2 is fabric guide roll, 3 is stuff-spraying pipe, and 4 is padding machine, and 5 is fabric guide roll, and 6 are the groove that connects material, 7 is fabric guide roll, and 8 is roll, and 9 is roll, and 10 is the A cabinet frame.PRINTED FABRIC after the oven dry is transported to padding machine 4 through roll 1 and fabric guide roll 2, stuff-spraying pipe 3 spray substitutive soda liquid, and substitutive soda liquid is padded at 4 places at padding machine, is transported to roll 9 and A cabinet frame 10 is finished clot through fabric guide roll 5, fabric guide roll 7 and roll.
According to the present invention, the fabric washing after the stacking at room temperature is dry, obtains the reactive printing fabric.Described washing preferably include carry out successively first the washing, soap and second the washing.The present invention does not have particular restriction to the number of times of the first washing and the second washing, gets final product according to mode well known to those skilled in the art.Described the first washing preferably includes and uses first 50 ~ 60 ℃ of Warm Wash 3 ~ 6 times, uses more than 90 ℃ hot water wash 3 ~ 6 times again.Described the second washing is preferably 50 ~ 60 ℃ washing and uses 20 ~ 30 ℃ cold wash 2 ~ 6 times for 3 ~ 6 times again.The present invention does not have particular restriction to the mode of soaping, and gets final product according to mode well known to those skilled in the art.
The present invention adopts two-step method to finish reactive printing, at first utilizes the print paste of dyestuff and thickener modulation that fabric is carried out stamp, and dries, and then with the textile pad substitutive soda and carry out stacking at room temperature, finally by washing and drying, obtains the reactive printing fabric.Do not contain fixation alkaline agent in the print paste in the stamp process of the present invention, stability of pigment paste is good, and printed color is dark, and dye utilization rate is high.And the dried fabric of stamp makes dyestuff react and reach fully with fiber under alkali condition to dye by rolling alkali, stacking at room temperature, thereby reaches the effect of fixation; In the described color-fixing method, color fixing temperature is low, and the utilization rate that has therefore not only improved dyestuff has also improved dye level and fastness.In addition, the present invention has avoided use steam and has reduced the use amount of auxiliary agent, energy savings, and blowdown is few.
In order further to understand the present invention, below in conjunction with embodiment reactive printing method provided by the invention is described, protection scope of the present invention is not limited by the following examples.
Chelating agent CM-5 is that Binzhou Song Mao chemical industry Co., Ltd produces.
Embodiment 1
Take by weighing the 25kg Reactive Red K-2BP and 15kg reactive orange K-GN puts into bucket, add an amount of room temperature water and will dye material and be modulated into pasty state, the hot water that adds again 70 ℃ is an amount of, is stirred to dyestuff and fully melts, and dye liquor is transparent in particle.Then take by weighing 210kg sodium alginate thickener, at last dye liquor is added be stirred in the thickener even without lumps.Survey its viscosity, viscosity is at 3000mpa.s after the fine setting.Then add 7.5kg and dissolved good reservehao S and 5kg chelating agent CM-5, obtain red slurry, adding water, to make red slurry gross mass be that 500kg gets final product, and then filters for subsequent use.
Take by weighing 4.5kg reactive yellow P-2RN, 23.4kg reactive black P-GR and 3.6kg reactive red PBN puts into bucket, add an amount of room temperature water and will dye material and be modulated into pasty state, the hot water that adds again 70 ℃ is an amount of, is stirred to dyestuff and fully melts, and dye liquor is transparent in particle.Then take by weighing 108kg sodium alginate thickener, at last dye liquor is added be stirred in the thickener even without lumps.Survey its viscosity, viscosity is at 3000mpa.s after the fine setting.Then add 4.5kg and dissolved good reservehao S and 3.5kg chelating agent CM-5, obtain black slurry, adding water, to make the black slurry gross mass be that 300kg gets final product, and then filters for subsequent use.
The redness slurry and the black slurry that modulate are delivered to printing machine, be connected to printing machine by siphon pipe and print the unit, print off the art flower type by printing machine, and the product that produces is carried out infrared drying.Used fabric is C/L40/ * 11.8 57.5 * 38 165cm.
Calico after the oven dry is padded 6.1kg substitutive soda agent DA-GS-770, pick-up is 50%, the printed product that will roll behind the alkali carries out clot at the A cabinet frame, the yardage roll that keeps when noting clot reeling must want neat by selvedge, cloth cover is smooth, fold can not occur, then with plastics its sealed packet is wrapped, cloth twists on the A cabinet frame uniform speed slow and rotates the 14h that banks up, and rotating speed the material phenomenon should not occur getting rid of and get final product.The temperature of banking up is 25 ℃.
Bank up finish after, debatching washing.
The rinsing machine beginning cold water spray that washes cloth is washed 4 times, 60 ℃ of Warm Wash 2 times, 95 ℃ of hot water wash 2 times are soaped 1 time, 55 ℃ of Warm Wash 1 time, 20 ℃ of cold wash are washed 2 times, then use infrared preliminary drying, the drying cylinder oven dry is moved calico to needed fabric width through stenter, then check product whether qualified, qualified product is packed.
Dyefastness to embodiment 1 preparation calico detects, and the result is as shown in table 1, and table 1 is the dyefastness of the PRINTED FABRIC of embodiment 1 and comparative example 1 preparation.
Dye level to the calico of embodiment 1 preparation detects, and the result is as shown in table 2, and table 2 be the dye level of the PRINTED FABRIC for preparing of embodiment 1 and comparative example 1.
Embodiment 2
Take by weighing 4.8kg reactive yellow P-2RN, 21.6kg reactive black P-GR and 2.4kg reactive red PBN puts into bucket, add an amount of room temperature water and will dye material and be modulated into pasty state, the hot water that adds again 70 ℃ is an amount of, is stirred to dyestuff and fully melts, and dye liquor is transparent in particle.Then take by weighing 108kg sodium alginate thickener, at last dye liquor is added be stirred in the thickener even without lumps.Survey its viscosity, viscosity is at 3000mpa.s after the fine setting.Then add 3kg and dissolved good reservehao S and 1.5kg chelating agent CM-5, obtain black slurry, adding water, to make the black slurry gross mass be that 300kg gets final product, and then filters for subsequent use.
Take by weighing 6.06kg reactive yellow P-2RN, 20.52kg reactive black P-GR and 2.91kg reactive red PBN puts into bucket, add an amount of room temperature water and will dye material and be modulated into pasty state, the hot water that adds again 70 ℃ is an amount of, is stirred to dyestuff and fully melts, and dye liquor is transparent in particle.Then take by weighing 108kg sodium alginate thickener, at last dye liquor is added be stirred in the thickener even without lumps.Survey its viscosity, viscosity is at 3000mpa.s after the fine setting.Then add 4.5kg and dissolved good reservehao S and 3.5kg chelating agent CM-5, obtain black slurry, adding water, to make coffee mill base gross mass be that 300kg gets final product, and then filters for subsequent use.
The coffee mill base and the black slurry that modulate are delivered to printing machine, be connected to printing machine by siphon pipe and print the unit, print off the art flower type by printing machine, and the product that produces is carried out infrared drying.Used fabric is the cotton of JC60 * 60 190 * 120 155cm.
Calico after the oven dry is padded 5.2kg substitutive soda agent DA-GS-770, pick-up is 50%, the printed product that will roll behind the alkali carries out clot at the A cabinet frame, the yardage roll that keeps when noting clot reeling must want neat by selvedge, cloth cover is smooth, fold can not occur, then with plastics its sealed packet is wrapped, cloth twists on the A cabinet frame uniform speed slow and rotates the 16h that banks up, and rotating speed the material phenomenon should not occur getting rid of and get final product.The temperature of banking up is 25 ℃.
Bank up finish after, debatching washing.
The rinsing machine beginning cold water spray that washes cloth is washed 6 times, 50 ℃ of Warm Wash 5 times, 90 ℃ of hot water wash 3 times are soaped 1 time, 55 ℃ of Warm Wash 1 time, 20 ℃ of cold wash 3 times, then use infrared preliminary drying, the drying cylinder oven dry is moved calico to needed fabric width through stenter, then check product whether qualified, qualified product is packed.
Comparative example 1
Take by weighing the 25kg Reactive Red K-2BP and 15kg reactive orange K-GN puts into bucket, add an amount of room temperature water and will dye material and be modulated into pasty state, the hot water that adds again 70 ℃ is an amount of, is stirred to dyestuff and fully melts, and dye liquor is transparent in particle.Then take by weighing 210kg sodium alginate thickener, at last dye liquor is added be stirred in the thickener even without lumps.Survey its viscosity, viscosity is at 3000mpa.s after the fine setting.Then add 7.5kg and dissolved good reservehao S and 5kg chelating agent CM-5, obtain red slurry, then add the fixation alkaline agent Na of 12.5kg
2CO
3, 25kg urea, adding water, to make red slurry gross mass be that 500kg gets final product again, and then filters for subsequent use.
Take by weighing 4.5kg reactive yellow P-2RN, 23.4kg reactive black P-GR and 3.6kg reactive red PBN puts into bucket, add an amount of room temperature water and will dye material and be modulated into pasty state, the hot water that adds again 70 ℃ is an amount of, is stirred to dyestuff and fully melts, and dye liquor is transparent in particle.Then take by weighing 108kg sodium alginate thickener, at last dye liquor is added be stirred in the thickener even without lumps.Survey its viscosity, viscosity is at 3000mpa.s after the fine setting.Then add 4.5kg and dissolved good reservehao S and 3.5kg chelating agent CM-5, obtain black slurry, then add the fixation alkaline agent Na of 8.3kg
2CO
3, 14.4kg urea, adding water, to make the black slurry gross mass be that 300kg gets final product again, and then filters for subsequent use.
The redness slurry and the black slurry that modulate are delivered to printing machine, be connected to printing machine by siphon pipe and print the unit, print off the art flower type by printing machine, and the product that produces is carried out infrared drying.Used fabric is C/L40/ * 11.8 57.5 * 38 165cm.
Then, will carry out steaming and color fixing in the introduction of the fabric open width after the dyeing rapid steamer, steam is saturated vapor, and evaporating temperature is 100 ℃-103 ℃, and the time of evaporating is 2min-3min, and then cropping after the fixation is washed.The same the inventive method of method for washing.
Use infrared preliminary drying after the washing, whether the drying cylinder oven dry is moved calico to needed fabric width through stenter, then check product qualified, and qualified product is packed.
The dyefastness of the PRINTED FABRIC of table 1 embodiment 1 and comparative example 1 preparation
The dye level of the PRINTED FABRIC of table 2 embodiment 1 and comparative example 1 preparation
| The test color | Comparative example 1 | Embodiment 1 |
| Black | 3 grades | The 4-5 level |
| Red | 3 grades | The 3-4 level |
The explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof.Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention, can also carry out some improvement and modification to the present invention, these improvement and modification also fall in the protection domain of claim of the present invention.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the present invention.Multiple modification to these embodiment will be apparent concerning those skilled in the art, and General Principle as defined herein can be in the situation that do not break away from the spirit or scope of the present invention, in other embodiments realization.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. reactive printing method may further comprise the steps:
(A) dyestuff and the thickener modulation with dissolving obtains print paste;
(B) utilize the described print paste of step (A) that fabric is carried out stamp, and dry;
(C) the textile pad substitutive soda liquid after will drying carries out stacking at room temperature;
(D) washing of the fabric debatching after will banking up, drying is processed, and obtains the reactive printing fabric.
2. method according to claim 1 is characterized in that, in the described step (C), the temperature of described substitutive soda liquid is 20 ~ 25 ℃.
3. method according to claim 1 is characterized in that, in the described step (C), pick-up is 50% ~ 60% during described padding.
4. method according to claim 1 is characterized in that, in the described step (C), the temperature of described stacking at room temperature is 20 ~ 30 ℃.
5. method according to claim 1 is characterized in that, in the described step (C), the time of described stacking at room temperature is 12 ~ 16 hours.
6. method according to claim 1 is characterized in that, in the described step (C), describedly also comprises clot after padding substitutive soda liquid.
7. method according to claim 6 is characterized in that, in the described step (C), described clot speed is 35 ~ 45m/min.
8. method according to claim 1 is characterized in that, in the described step (A), also comprises reserve salt and chelating agent in the described print paste.
9. method according to claim 1 is characterized in that, in the described step (A), the viscosity of described print paste is 2800 ~ 3200mpa.s.
10. method according to claim 1 is characterized in that, in the described step (D), described washing comprises that carrying out successively first washes, soaps and the second washing.
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| CN2012104553705A CN102912655A (en) | 2012-11-14 | 2012-11-14 | Reactive printing method |
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| CN2012104553705A CN102912655A (en) | 2012-11-14 | 2012-11-14 | Reactive printing method |
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| CN102912655A true CN102912655A (en) | 2013-02-06 |
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| CN103572616A (en) * | 2013-11-12 | 2014-02-12 | 中华人民共和国南通出入境检验检疫局 | Piling and printing method of cotton fabric by reactive dye |
| CN104695243A (en) * | 2015-03-27 | 2015-06-10 | 日冠(福建)针纺织机械有限公司 | Two-side dyeing and printing technology |
| CN107059435A (en) * | 2017-04-28 | 2017-08-18 | 昌邑富润纺织科技有限公司 | A kind of pure cotton fabric exempts from decatize printing method |
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| CN103572616A (en) * | 2013-11-12 | 2014-02-12 | 中华人民共和国南通出入境检验检疫局 | Piling and printing method of cotton fabric by reactive dye |
| CN104695243A (en) * | 2015-03-27 | 2015-06-10 | 日冠(福建)针纺织机械有限公司 | Two-side dyeing and printing technology |
| CN104695243B (en) * | 2015-03-27 | 2017-01-18 | 日冠科技股份有限公司 | Two-side dyeing and printing technology |
| CN107059435A (en) * | 2017-04-28 | 2017-08-18 | 昌邑富润纺织科技有限公司 | A kind of pure cotton fabric exempts from decatize printing method |
| CN107059435B (en) * | 2017-04-28 | 2019-07-23 | 昌邑富润纺织科技有限公司 | A kind of pure cotton fabric exempts from decatize printing method |
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Application publication date: 20130206 |