CN103952926A - Dyeing formula and technology for enhancing color fastness of dark cashmere product - Google Patents
Dyeing formula and technology for enhancing color fastness of dark cashmere product Download PDFInfo
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- CN103952926A CN103952926A CN201410214436.0A CN201410214436A CN103952926A CN 103952926 A CN103952926 A CN 103952926A CN 201410214436 A CN201410214436 A CN 201410214436A CN 103952926 A CN103952926 A CN 103952926A
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Abstract
The invention provides a dyeing formula for enhancing the color fastness of a dark cashmere product. A dye is prepared from 1owf% of abegnoli B, 2owf% of low-temperature auxiliary XT, 2owf% of low-temperature auxiliary MiralanLTD and 4owf% of dye, and a bath ratio is 1:10. Compared with the prior art, the dyeing formula has the advantages that auxiliary adding and microwave pretreatment are combined, so that the color fastness and the coloring rate of the product are effectively improved; the abegnoli B and the dye are matched to enhance the dissolving property of the dye and the levelling property of cashmere fibers. A chemical method and a physical method are effectively combined, so that the color fastness and the coloring rate of the product are greatly improved; furthermore, by adding of the auxiliaries, the using amount of the dye is reduced, and the whole dyeing process is environmentally friendly.
Description
Technical field
The present invention relates to a kind of dyeing recipe and technique that improves dark cashmere product COLOR FASTNESS.
Background technology
The process of color is caught fiber textile by certain method in so-called dyeing exactly with dyestuff.On dyestuff, dye fiber and generally can be divided into three processes: (l) adsorption process: dyestuff spreads to fiber surface from dye liquor, and on dye fiber surface; (2) diffusion process: the dyestuff that is adsorbed on fiber surface spreads to fibrous inside, until dyeing equilibrium or in a basic balance; (3) dyestuff and fiber generation chemical reaction are bonded to fiber.Wherein the absorption of dyestuff and diffusion depend primarily on the structure of dyestuff and the structure of fiber surface and performance, it is subject to the impact of several factors, comprise equipment, dying of dye well auxiliary agent, dyeing (comprising pH value, temperature, programming rate, temperature retention time etc.) and fibre property, if can not scientifically control above-mentioned factor, presentation quality (color and luster, level-dyeing property) and the inherent quality (through-dyeing, COLOR FASTNESS) of product will directly be affected.Therefore, only for above-mentioned factor, test scientifically and rationally, guarantee dyeing quality, improves product specification.
Cashmere product is as high-grade dress ornament fine work, comfortable and easy to wear, light and warm with it, and vision is graceful, luxurious, feel is sliding glutinous, fine and smooth, soft, the beautiful fine quality of gloss is subject to increasing consumer's favor, no matter is domestic market, or there is vast potential for future development international market.Along with further developing of society, people's living standard is also more and more higher, also increasing for the market demand of cashmere product, and also becomes and grow in intensity for the further raising of its quality.In order to cater to market demand, many cashmere dyeing enterprise developments go out various cashmere yarn dyestuffs, and its dyeing is also comparatively ripe.But a series of performances of cashmere fiber comprise that physical property, chemical property compare all differently with wool fibre, particularly dyeability also has larger difference.For many years, do not have really for its dyeability of structural research of cashmere, the quality COLOR FASTNESS that so both affected cashmere product is poor, damage seriously, feel is poor etc., causes again the very large consumption that wastes energy.Especially the dark product of goat cashmere, because dye strength used is large, the suction colo(u)r specification that surpasses fiber, occur that supersaturation produces loose colour, (rubbed or be stressed) easily under external force and got loose, cause COLOR FASTNESS index can not reach requirement, and the method for normal dyeing, need to boil and dye for a long time.Current also have much by the methods of chemistry and physics, attempt to address this problem, as: by adding some color additives to increase its COLOR FASTNESS and by microwave and the ultrasonic infiltration raising cashmere dark color product COLOR FASTNESS that waits physical method to increase dyestuff.But effect is not also fine, and environmental protection not enough.So a kind of dyeing that improves the dark product COLOR FASTNESS of cashmere is all urgently being sought by many producers that dye for many years.The present invention is by adding the surface-activity of environmental protection and the method for some low temperature color additives to be combined with microwave physical method, can effectively improve permeability and the dye-uptake of dyestuff in fiber, by adjustment, dye and aftertreatment technology, make dyestuff and fiber have sufficient reaction and set time, the dyestuff of not set is thoroughly removed, the dyestuff of set and the combination of fiber are more firm, improve the COLOR FASTNESS of cashmere product.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of dyeing recipe and technique that improves dark cashmere product COLOR FASTNESS.
For solving the problems of the technologies described above, the present invention is achieved through the following technical solutions:
Improve a dyeing recipe for dark cashmere product COLOR FASTNESS, formulated by following raw material: A Bai brother B1%owf, cryogenic booster XT2%owf, cryogenic booster MiralanLTD2%owf, dyestuff 4%owf, bath raio: 1:10.
In the dyeing recipe of the dark cashmere product COLOR FASTNESS of aforementioned raising, described dyestuff comprises all dyestuffs.
In the dyeing recipe of the dark cashmere product COLOR FASTNESS of aforementioned raising, described dyestuff is that orchid receives uniformly dyeing material.
The dyeing of the dark cashmere product COLOR FASTNESS of aforementioned raising, comprises the steps: to take out fleece fabrics and first uses microwave K cryogenic treatment, and processing pressure is that 32Pa, processing power are 100W, and the time is 4min; Then dye; Before dyeing, first at normal temperatures dyestuff, cryogenic booster MiralanLTD, cryogenic booster XT, A Bai brother B are added in dye vat, fleece fabrics is put into dye vat and dye, control programming rate at 1 ℃/min, treat that temperature rises to 80 ℃, insulation 60min, then drains dye liquor, dehydration, dries and get final product.
In the present invention, with microwave, to the pre-treatment of cashmere fiber, can improve well the surface property of cashmere fiber, scale is opened because of swelling, make cytoplasm to dyestuff more can and, microwave belongs to low temperature plasma effect, by low density gas, under low pressure excites glow discharge to produce, and electron temperature is 27～49727 ℃, and gas temperature is very low, roughly extremely up to a hundred degrees Celsius of room temperatures.Therefore not only can shorten dyeing time, and little to the internal injury of cashmere fiber.
Cryogenic booster XT belongs to low-temperature surface activating agent, improve the soakage of cashmere fiber, make scale layer swelling, it is lax that fibre structure becomes, and the surface tension that reduces dye bath is adsorbed as early as possible dyestuff and to fibrous inside diffusion, infiltration, passes through to adjust dyeing simultaneously by cashmere, make dyestuff and fiber have sufficient reaction the set time, the dye-uptake that increases dyestuff, makes the dyestuff of set and the combination of fiber more firm, thereby improves the COLOR FASTNESS of cashmere fiber and goods thereof.Cryogenic booster LTD chemical composition is ethoxylated fatty acid amine derivative, it is polyethoxy class surfactant, on its each molecule, there is ethylene unit, and can form the liquid phase layer that one deck is rich in high concentration dyestuff and auxiliary agent at fiber surface, and, on this liquid phase layer, dyestuff coherent condition is minimum, can effectively avoid the interaction between dye molecule, reduce the gathering of dyestuff, the adsorption rate of dyestuff is significantly improved, diffusion also obviously improves, dyestuff is also played to certain level dyeing effect simultaneously, can obtain good apparent color depth effect and level-dyeing property, thereby can reach the effect identical with normal dyeing.A Baige B and dyestuff support the use, and can increase dissolubility and the level-dyeing property to cashmere fiber of dyestuff.
For proving the performance of this product, applicant carries out the following studies:
Experimental example 1: formula quantity research
1, worsted cashmere yarn 685/3 and dyestuff orchid receive uniformly dyeing material, by the inventive method, dye.The consumption of A Baige B, cryogenic booster XT, cryogenic booster LTD is established respectively three levels as research object, in Table 1, carries out orthogonal test, measures respectively its dye-uptake.Result is as shown in table 2, in combination with A
1b
1c
3optimum, both A Bai brother B, cryogenic booster XT, cryogenic booster LTD optimum amount were respectively 1%owf, 2%owf, 2%owf, it is tied in Table 2.
Table 1 factor level table
Table 2 orthogonal array
Result shows: optimum amount is combined as A
1b
1c
3, A Bai brother B, cryogenic booster XT, cryogenic booster LTD optimum amount are respectively 1%owf, 2%owf, 2%owf.
2. microwave optimal process experiment
Worsted cashmere yarn 685/3, by following microwave method (technique one: processing pressure is under 32Pa, the processing power condition that is 100W, process 4min) and technique two: processing pressure is under 30Pa, the processing power condition that is 80W, process 6min)) carry out after pre-treatment, by preferred method out in 4.1, dye, carry out respectively the mensuration of COLOR FASTNESS, result is as following table:
Table 3 pre-treatment process is preferably shown
As can be seen from the above table, the COLOR FASTNESS of technique one is good compared with technique two, and microwave treatment conditions is that pressure is that 32Pa, processing power are 100W, and under processing 4min condition, after pre-treatment, the COLOR FASTNESS of cashmere is better.
Experimental example 2: contrast experiment's research
1. test material and instrument
Worsted cashmere yarn 685/3; L mono-8 soaping fastness instrument; ATLAS sample dyeing machine; Roches on-line detector; Y57lB crock fastness instrument; Y902 perspiration fastness instrument; IJV755B spectrophotometer; Use YG001N electronic mono-fiber strong force instrument
2. test method
Product to following two kinds of methods dyeing carries out respectively fastness detection, and uses spectrophotometer measurement absorbance, relatively two kinds of dyeings.
The inventive method: after dyeing according to the inventive method, use thiamines fixation.
Conventional method: without microwave, directly get worsted cashmere yarn 685/3 and dyestuff orchid and receive uniformly dyeing material and dye.Before dyeing, first at normal temperatures dyestuff, cryogenic booster MiralanLTD, cryogenic booster XT, A Bai brother B are added in dye vat, fleece fabrics is put into dye vat to dye, control programming rate at 1 ℃/min, treat that temperature rises to 80 ℃, insulation 60min, then drains dye liquor, dehydration, dry and get final product, bath raio l:10.Use thiamines fixation.
3. COLOR FASTNESS method of testing
3.1 fastness to washing GB/T3921.1 1
3.2 fastnesss to rubbing (unlubricated friction, wet rubbing) GB3920 1
3.3 fastness to perspiration GB/T3922 1
3.4 color fastness to water GB5713 1
The calculating of 3.5 dye-uptakes: measure on 723 type spectrophotometers by raffinate method, and calculate T dye-uptake constantly:
Dye-uptake E=[(A
0-A
t)/A
0] * 100%
In formula: A.Absorbance for original solution; A
tabsorbance for T dyeing residual liquid during the moment.
3.6 filament strength and extension properties tests: get goat nap sliver, with after dyeing of the present invention, do soft treatment at 40 ℃, use YG001N electronic mono-fiber strong force instrument, testing radical is 500, and specimen length 10mm is set, speed of experiment 10mm/min, it is as shown in the table for result:
Table 4 COLOR FASTNESS contrast experiment table
From above, show: overall COLOR FASTNESS of the present invention is good compared with traditional dyeing technique.
Table 5 absorbance contrast table (wavelength is at 583nm)
Note: the comparison of averaging after surveying 3 times
The comparison of table 6 dye-uptake
Note: average after surveying respectively 3 times.
From table 5, table 6, the dye-uptake of technique of the present invention is higher.
Table 7
4. conclusion: above experiment shows: dyeing of the present invention is better than traditional dyeing.
Beneficial effect:
Compared with prior art, the present invention, with adding auxiliary agent to combine with the method with microwave, effectively raises COLOR FASTNESS and the dye uptake of product.Microwave energy improves the surface property of cashmere fiber well, after plasma treatment, the scale layer on cashmere fiber surface has been subject to etching, and hindering like this dyestuff, to enter the major obstacle of fibrous inside just destroyed, can be so that dyestuff more easily and more enters fibrous inside.Like this, the dyestuff that remains in fiber surface relatively just tails off, and the washing fastness of fleece fabrics and crock fastness have had certain lifting.After plasma treatment, also make scale open because of swelling, make dyestuff more easily enter into cytoplasm, can shorten dyeing time, increase COLOR FASTNESS and the dye-uptake of product.
A Baige B and dyestuff support the use, and can increase dissolubility and the level-dyeing property to cashmere fiber of dyestuff.The present invention, by chemistry and the effective combination of physical method, improves COLOR FASTNESS, the dye uptake of product greatly, and after the auxiliary agent adding, reduced dyestuff consumption, make the environmental protection more of whole dyeing course.
Further illustrate by the following examples the present invention, but not as limitation of the present invention.
The specific embodiment:
Embodiment 1:
Raw material: A Bai brother B1%owf, cryogenic booster XT2%owf, cryogenic booster MiralanLTD2%owf, orchid receive uniformly dyeing material 4%owf, bath raio: 1:10.
Technique: take out fleece fabrics and first use microwave K cryogenic treatment, processing pressure is that 32Pa, processing power are 100W, and the time is 4min; Then dye; Before dyeing, first at normal temperatures dyestuff, cryogenic booster MiralanLTD, cryogenic booster XT, A Bai brother B are added in dye vat, fleece fabrics is put into dye vat and dye, control programming rate at 1 ℃/min, treat that temperature rises to 80 ℃, insulation 60min, then drains dye liquor, dehydration, dries and get final product.
Claims (4)
1. a dyeing recipe that improves dark cashmere product COLOR FASTNESS, is characterized in that: formulated by following raw material: A Bai brother B1%owf, cryogenic booster XT2%owf, cryogenic booster MiralanLTD2%owf, dyestuff 4%owf, bath raio: 1:10.
2. improve as claimed in claim 1 the dyeing recipe of dark cashmere product COLOR FASTNESS, it is characterized in that: described dyestuff comprises all dyestuffs.
3. improve as claimed in claim 2 the dyeing recipe of dark cashmere product COLOR FASTNESS, it is characterized in that: described dyestuff is that orchid receives uniformly dyeing material.
4. as described in any one in claim 1-3, improve the dyeing of dark cashmere product COLOR FASTNESS, it is characterized in that: comprise the steps: to take out fleece fabrics and first use microwave K cryogenic treatment, processing pressure is that 32Pa, processing power are 100W, and the time is 4min; Then dye; Before dyeing, first at normal temperatures dyestuff, cryogenic booster MiralanLTD, cryogenic booster XT, A Bai brother B are added in dye vat, fleece fabrics is put into dye vat and dye, control programming rate at 1 ℃/min, treat that temperature rises to 80 ℃, insulation 60min, then drains dye liquor, dehydration, dries and get final product.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106245364A (en) * | 2016-08-24 | 2016-12-21 | 常熟市新华源有色毛条厂 | The colouring method of superfine wool fiber top |
| CN111519453A (en) * | 2020-06-01 | 2020-08-11 | 兰州理工大学 | Dyeing method for dyeing wool fibers by using walnut green husk pigment |
| CN114438803A (en) * | 2022-01-26 | 2022-05-06 | 内蒙古工业大学 | Cashmere fiber dyeing and deepening method and deepening agent |
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| CN1504609A (en) * | 2002-11-28 | 2004-06-16 | 中国科学院化学研究所 | Staining method for cashmere fibre or cashmere fabric |
| CN1607294A (en) * | 2003-10-16 | 2005-04-20 | 内蒙古鄂尔多斯羊绒集团有限责任公司 | Dyeing technology for improving color fastness of cashmere fiber and its products |
| CN103451976A (en) * | 2013-08-30 | 2013-12-18 | 张家港市金太阳帽业有限公司 | Wool fiber dyeing process based on lanasol dye |
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Patent Citations (3)
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| CN1504609A (en) * | 2002-11-28 | 2004-06-16 | 中国科学院化学研究所 | Staining method for cashmere fibre or cashmere fabric |
| CN1607294A (en) * | 2003-10-16 | 2005-04-20 | 内蒙古鄂尔多斯羊绒集团有限责任公司 | Dyeing technology for improving color fastness of cashmere fiber and its products |
| CN103451976A (en) * | 2013-08-30 | 2013-12-18 | 张家港市金太阳帽业有限公司 | Wool fiber dyeing process based on lanasol dye |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106245364A (en) * | 2016-08-24 | 2016-12-21 | 常熟市新华源有色毛条厂 | The colouring method of superfine wool fiber top |
| CN111519453A (en) * | 2020-06-01 | 2020-08-11 | 兰州理工大学 | Dyeing method for dyeing wool fibers by using walnut green husk pigment |
| CN111519453B (en) * | 2020-06-01 | 2021-04-27 | 兰州理工大学 | Dyeing method for dyeing wool fibers by using walnut green husk pigment |
| CN114438803A (en) * | 2022-01-26 | 2022-05-06 | 内蒙古工业大学 | Cashmere fiber dyeing and deepening method and deepening agent |
| CN114438803B (en) * | 2022-01-26 | 2023-05-12 | 内蒙古工业大学 | Cashmere fiber dyeing deepening method and deepening agent |
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Application publication date: 20140730 |