CN101608407A - A kind of production technology that improves wet rubbing fastness of reactive dye - Google Patents
A kind of production technology that improves wet rubbing fastness of reactive dye Download PDFInfo
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- CN101608407A CN101608407A CNA2009101005228A CN200910100522A CN101608407A CN 101608407 A CN101608407 A CN 101608407A CN A2009101005228 A CNA2009101005228 A CN A2009101005228A CN 200910100522 A CN200910100522 A CN 200910100522A CN 101608407 A CN101608407 A CN 101608407A
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Abstract
The invention discloses a kind of production technology that improves wet rubbing fastness of reactive dye, this technology comprises fabric pretreatment and dyeing → soap → dry → pad color-fixing agent → dry → pad wet friction fastness improving agent → oven dry → napping → 130 ℃ molten baking tentering → combing → cut across and make these several processing steps of finished product; Wherein fabric pretreatment and staining procedure comprise the cold rolling heap of scouring enzyme oxygen single bath process, open washing again, dye, bake this several steps; Adopt LIPOTOL RK-5Z soaping agent in the described step of soaping, pad that color-fixing agent adopts the JD-427 formaldehyde-free color fixing agent in the color-fixing agent step, pad that elevator adopts 1504 wet friction fastness improving agents in the wet friction fastness improving agent step.The present invention has conserve water, energy consumption, time, can thoroughly remove impurity simultaneously, and dye dosage is few, can improve the fastness to wet rubbing of REACTIVE DYES.
Description
Technical field
The present invention relates to a kind of production technology that improves wet rubbing fastness of reactive dye.
Background technology
REACTIVE DYES is because advantage such as its lovely luster, chromatogram are complete, easy to use, low price, applicability are wide, be widely used in the dyeing and printing of cellulose fibre, fixation rate is low, crock fastness is poor but it exists, and particularly dark fastness to wet rubbing is on the low side always.Be mainly used in middle light color, its crock fastness generally can reach standard: 4 grades of soaping fastnesses, 4 grades of staining fastnesses, 3～4 grades of dry fastnesses, 3 grades of fastness to wet rubbings.And at present, on many dark heavy colour kinds, also be extensive use of REACTIVE DYES, but the dark heavy colour fastness to wet rubbing of REACTIVE DYES generally can only reach 1.5～2 grades.There are a lot of clients all very high at present to the fastness to wet rubbing requirement, even dark heavy colour kind also requires fastness to wet rubbing to reach 3～3.5 grades, and even more than 4 grades.In test during fastness to wet rubbing, dyestuff can cause that with friction between the wet white cotton fine cloth dyestuff comes off, and the set dyestuff does not contain hydrophilic radical, very easyly transfers on the wet white cotton fine cloth from cotton fiber, thereby makes the fastness to wet rubbing variation.This just illustrates that the level and smooth degree of fabric face and fastness to wet rubbing have direct relation.Fabric face is level and smooth more, and crock fastness performance is good more, and poor surface smoothness, cloth cover are coarse more, its with the test calico between frictional resistance also just big more, the effective contact-making surface between them is also big more, fastness to wet rubbing is also poor more.Therefore, for textile pile fabrics, because its surperficial villous, cloth cover is extremely unsmooth, the also more difficult raising of its fastness to wet rubbing.
Under the identical situation of all conditions, DYED FABRICS fastness to wet rubbing quality is followed successively by: tribute silk fabric＞poplin cloth fabric＞plain cloth＞TWILL CLOTH＞khaki fabric＞sanded cloth＞pile fabrics.For pile fabrics such as corduroy, plain weave suede, twill suedes, even under identical process conditions, fastness to wet rubbing is also poor than general fabric variety, because having the fiber chip breaking after these fabric nappings remains on the cloth cover fine hair, fiber produces mechanical injuries because of napping, thereby causes microvillus easily to wipe disconnected dropping, therefore, fastness to wet rubbing is poorer, also more difficult raising.So how to improve particularly important that the fastness to wet rubbing of REACTIVE DYES shows.
Summary of the invention
In order to address the above problem, the object of the present invention is to provide a kind of production technology that improves wet rubbing fastness of reactive dye, the present invention has conserve water, energy consumption, time, can thoroughly remove impurity simultaneously, dye dosage is few, can improve the fastness to wet rubbing of REACTIVE DYES.
For reaching above-mentioned purpose, the present invention adopts following technical scheme:
A kind of production technology that improves wet rubbing fastness of reactive dye, this technology comprise fabric pretreatment and dyeing → soap → dry → pad color-fixing agent → dry → pad wet friction fastness improving agent → oven dry → napping → 130 ℃ molten baking tentering → combing → cut across and make these several processing steps of finished product; Wherein fabric pretreatment and staining procedure comprise the cold rolling heap of scouring enzyme oxygen single bath process, open washing again, dye, bake this several steps; Adopt LIPOTOL RK-5Z soaping agent (purchasing) in the described step of soaping in the fast trade Co., Ltd of Hangzhou Weir, pad in the color-fixing agent step color-fixing agent and adopt JD-427 formaldehyde-free color fixing agent (purchasing nine ancient cooking vessel chemical industry Co., Ltds), pad that elevator adopts 1504 wet friction fastness improving agents (purchasing in pool, Shanghai star fine chemistry industry company) in the wet friction fastness improving agent step in Hangzhou.
The pre-treatment effect of fabric has very big influence to fastness to wet rubbing, has data to show, capillary effect is as shown in table 7 to the fastness to wet rubbing influence.Therefore, improve fastness to wet rubbing, the essential pre-treatment effect that improves fabric, well then the dyestuff through-dyeing is good for capillary effect, and the reaction of dyestuff and fiber is abundant more, and is also few more attached to the dyestuff on fiber top layer, and then the fastness to wet rubbing of fabric is also just high more.
REACTIVE DYES to the fiber set after, remove loose colour and unreacted dyestuff, be a big key that influence the fabric fastness to wet rubbing.Therefore, need to strengthen washing and soap, make on the fabric the not dyestuff of set, additive in the raw material impurity in hydrolised dye, the dyestuff, dyeing intermediate, the dyeing processing such as sodium bicarbonate etc. are all removed totally, otherwise come off from fabric fibre easily, thereby reduce fastness to wet rubbing.The described step of soaping is for adopting LIPOTOL RK-5Z soaping agent 2～4g/L, acidity chelating agent (purchasing in Guangzhou with the opening up Chemical Industry Science Co., Ltd) 0.5～1g/L that soaps, 2 lattice soap boiling boxs, 98 ℃ of the temperature of soaping.
The described color-fixing agent step of padding adopts JD-427 formaldehyde-free color fixing agent 6g/L, efficient green chelating agent (purchasing sky, Ningjin County, Yushan Hill East Germany state Shun's textile auxiliary Co., Ltd) 0.5～1g/L, and two soak two rolls pick-up 80%.Because REACTIVE DYES is a kind of water-soluble dye, contains water soluble groups such as sulfonic group and carboxylic acid group in the molecule, these groups add dissolving, infiltration, the diffusion that helps dye molecule man-hour in printing and dyeing.After dyestuff and fiber set, the existence of these water soluble groups has but become the unfavorable factor that reduces the fabric fastness to wet rubbing.Therefore, behind the REACTIVE DYES deep color dyeing, also need to make fixation treatment with color-fixing agent.Because color-fixing agent is with positive lotus property more, after entering fiber, its combines with dyestuff generation ionic bond on the fiber on the one hand, the water soluble group of dyestuff is closed, and its water-soluble decline makes the dyestuff that anchors on the fiber be not easy water-soluble transferring on the test calico, thereby improved fastness to wet rubbing. on the other hand, it again can be crosslinked in generation between the fiber, between the dyestuff, makes the dyestuff difficult drop-off on the fiber, thereby correspondingly improve the fastness to wet rubbing of fabric.
Along with the intensified competition of global piece market, also improve constantly for the fastness to wet rubbing index, printing and dyeing enterprise also has suitable demand for the various auxiliary agents that improve fastness to wet rubbing.The basic principle of wet friction fastness improving agent is to utilize some special high molecular polymerization precursor emulsions, by flooding or padding attached on the fabric, dry back forms the very soft tough film of one deck at fabric face, it can give fabrics smooth, in the fiber surface film forming, reduced frictional resistance, made dyestuff or dyestuff aggregation on the fiber be difficult for being come off, thereby improved fastness to wet rubbing by friction.The wet friction fastness improving agent step of padding of the present invention adopts 1504 wet friction fastness improving agent 40g/L, efficient green chelating agent (purchasing sky, Ningjin County, Yushan Hill East Germany state Shun's textile auxiliary Co., Ltd) 0.5～1g/L, citric acid (purchasing) 0.5g/L in Suzhou rainbow Yang Huagongzhujichang, silicone softening agent vapour crust Ultratex FMW (purchasing) 30g/L in Ciba company, pH value 5.5～6.5, two soak two rolls pick-up 90%
The invention has the beneficial effects as follows: the factor that influences fastness to wet rubbing is a lot, except fabric variety, the kind of color code, dye species, fabric grey cloth, pre-treatment process, dyeing, postfinishing process all can exert an influence to fastness to wet rubbing, thereby need take all factors into consideration when solving fastness to wet rubbing comprehensively.For REACTIVE DYES, it is especially relatively difficult on unsmooth fabrics such as suede class to improve fastness to wet rubbing, the present invention uses efficient soaping agent, improve the removal efficient and the removal effect of various impurity on the fabric, it can not only save big water gaging, energy consumption, time, and remove impurity completely, can improve the fastness to wet rubbing of REACTIVE DYES.The present invention's used color-fixing agent, deep-dyeing agent, wet friction fastness improving agent in processing step played good effect to improving fastness to wet rubbing, can not only obtain dark heavy colour effect, and can reduce dye dosage, more can improve 0.5～1 grade of fastness to wet rubbing.
The specific embodiment
Embodiment 1
Fabric: 188cm 21
s* 10
sTextile plain weave fleece.
Dye the chemical drug agent: K2BP is red, the KRN Huang, K3R indigo plant, KGR indigo plant, KGL indigo plant, KB3R palm fibre, the K3R purple, (above dyestuff is used for the piece dyeing finishing of different patterns), urea, sodium bicarbonate, LIPOTOLRK-5Z soaping agent, penetrating agent JFC, JD-427 formaldehyde-free color fixing agent, acidity soap chelating agent, efficient green chelating agent, wet friction fastness improving agent 1504, citric acid, silicone softening agent vapour crust Ultratex FMW.
The technology of present embodiment comprises fabric pretreatment and dyeing → soap → dry → pad color-fixing agent → dry → pad wet friction fastness improving agent → oven dry → napping → 130 ℃ molten baking tentering → combing → cut across and make these several processing steps of finished product; Wherein fabric pretreatment and staining procedure comprise the cold rolling heap of scouring enzyme oxygen single bath process, open washing again, dye, bake this several steps; Adopt LIPOTOL RK-5Z soaping agent in the described step of soaping, pad that color-fixing agent adopts the JD-427 formaldehyde-free color fixing agent in the color-fixing agent step, pad that elevator adopts 1504 wet friction fastness improving agents in the wet friction fastness improving agent step.
The method of standard is carried out fabric pretreatment, dyeing, dries, is baked routinely, make the reference colour base, carry out the look base for the back and soap, pad color-fixing agent, pad contrast test such as wet friction fastness improving agent and use, oven dry is handled the back and is tested by wet fastness testing standard " GB/T 3926-1997 textile color stability test colour fastness to rubbing ".
Standard style cloth (look base) preparation, when dyeing, dye liquor is formed: dyestuff 40g/L, penetrating agent JFC (purchase really be preced with in the Guangzhou chemical industry Co., Ltd) 2g/L, urea 20g/L, sodium bicarbonate 20g/L, water is an amount of; 2. pad dye liquor: two soak two rolls pick-up 70%; 3. bake: 160 ℃, 3min.
The step of soaping is for adopting LIPOTOL RK-5Z soaping agent 4g/L, the acidity chelating agent 0.5～1g/L that soaps, 2 lattice soap boiling boxs, 98 ℃ of the temperature of soaping.The conventional washing agent soap with soaping agent of the present invention (4g/L) soap the back fabric the fastness to wet rubbing test result be shown in Table 1.As can be seen from Table 1, use soaping agent can make fastness to wet rubbing that 0.5～1 grade lifting is arranged, at the difference of dyestuff color code, the degree of raising is also incomplete same.
Pad the color-fixing agent step and adopt JD-427 formaldehyde-free color fixing agent 6g/L, efficient green chelating agent 0.5～1g/L, two soak two rolls pick-up 80%.Padding color-fixing agent (6g/L) and not padding color-fixing agent fastness to wet rubbing test result of present embodiment is shown in Table 2.As can be seen from Table 2, fabric can make fastness to wet rubbing that 0.5 grade lifting is arranged after padding color-fixing agent, and at the difference of dyestuff color code, the degree that fastness to wet rubbing improves is also different.
Pad the wet friction fastness improving agent step and adopt 1504 wet friction fastness improving agent 40g/L, efficient green chelating agent 0.5～1g/L, citric acid 0.5g/L, silicone softening agent vapour crust Ultratex FMW 30g/L, pH value 5.5～6.5, two is soaked two and is rolled, pick-up 90%.Present embodiment pads wet friction fastness improving agent (40g/L) and does not pad wet friction fastness improving agent fabric fastness to wet rubbing test result and is shown in Table 3.As can be seen from Table 3, fabric can make fastness to wet rubbing that 0.5～1 grade raising is arranged after padding wet friction fastness improving agent, can promote 1 grade for bright red, pale brown, dark blue, dark green, black, palm fibre can promote 0.5 grade for bright blue then DeGrain, in 0.5 grade.
The selection test of soaping agent consumption: the fastness to wet rubbing test result is shown in Table 4 under the different soaping agent consumptions.Therefore, be advisable with soaping agent consumption 3～4g/L.
The selection test of color-fixing agent consumption: determine that fabric fastness to wet rubbing test result is shown in Table 5 under the different color-fixing agent consumptions.As can be seen from Table 5, the color-fixing agent consumption can improve 0.5 grade of fastness to wet rubbing at 6g/L, strengthens consumption, and the fabric fastness to wet rubbing no longer improves, and is therefore relatively good with color-fixing agent consumption 5～7g/L.
Determining of wet friction fastness improving agent consumption: fabric fastness to wet rubbing test result is shown in Table 6 under the different wet friction fastness improving agent consumptions.As can be seen from Table 6, wet friction fastness improving agent can improve 0.5～1 grade of fastness to wet rubbing at 10～30g/L, and 30～60g/L then improves not quite, and therefore, the wet friction fastness improving agent consumption is proper at 30～40g/L.
Table 1
Table 1 fabric uses the fastness to wet rubbing level of different soaping agents when soaping
Table 2
Table 2 fabric pads its fastness to wet rubbing level of color-fixing agent front and back
Table 3
Table 3 fabric pads its fastness to wet rubbing level of wet friction fastness improving agent front and back
Table 4
Fabric fastness to wet rubbing level under the different soaping agent consumptions of table 4
As can be seen from Table 4, the soaping agent consumption meets the demands at 4g/L, and Impurity removal is clean, continue to strengthen consumption, and the fabric fastness to wet rubbing is not yet
Table 5
Fastness to wet rubbing level under the different color-fixing agent consumptions of table 5
Table 6
Fastness to wet rubbing level under the different wet friction fastness improving agent consumptions of table 6
Table 7
Claims (4)
1, a kind of production technology that improves wet rubbing fastness of reactive dye is characterized in that: this technology comprises fabric pretreatment and dyeing → soap → dry → pad color-fixing agent → dry → pad wet friction fastness improving agent → oven dry → napping → 130 ℃ molten baking tentering → combing → cut across and make these several processing steps of finished product; Wherein fabric pretreatment and staining procedure comprise the cold rolling heap of scouring enzyme oxygen single bath process, open washing again, dye, bake this several steps; Adopt LIPOTOL RK-5Z soaping agent in the described step of soaping, pad that color-fixing agent adopts the JD-427 formaldehyde-free color fixing agent in the color-fixing agent step, pad that elevator adopts 1504 wet friction fastness improving agents in the wet friction fastness improving agent step.
2, a kind of production technology that improves wet rubbing fastness of reactive dye according to claim 1, it is characterized in that: the described step of soaping is for adopting LIPOTOL RK-5Z soaping agent 2～4g/L, the acidity chelating agent 0.5～1g/L that soaps, 2 lattice soap boiling boxs, 98 ℃ of the temperature of soaping.
3, a kind of production technology that improves wet rubbing fastness of reactive dye according to claim 1, it is characterized in that: the described color-fixing agent step of padding adopts JD-427 formaldehyde-free color fixing agent 6g/L, efficient green chelating agent 0.5～1g/L, two soak two rolls pick-up 80%.
4, a kind of production technology that improves wet rubbing fastness of reactive dye according to claim 1, it is characterized in that: the described wet friction fastness improving agent step of padding adopts 1504 wet friction fastness improving agent 40g/L, efficient green chelating agent 0.5～1g/L, citric acid 0.5g/L, silicone softening agent vapour crust Ultratex FMW 30g/L, pH value 5.5～6.5, two is soaked two and is rolled, pick-up 90%.
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| CN102619088A (en) * | 2012-04-01 | 2012-08-01 | 祝洪哲 | Softening agent capable of improving sublimation fastness of disperse dye and wet friction fastness of reactive dye |
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| CN104862980A (en) * | 2015-05-15 | 2015-08-26 | 浙江工业职业技术学院 | Preparation method and apparition of wet rubbing fastness improver containing copper microcapsules |
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