CN104278570A - Technology for improving level-dyeing property of cashmere cheese dyed with deep color - Google Patents
Technology for improving level-dyeing property of cashmere cheese dyed with deep color Download PDFInfo
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Abstract
A technology for improving level-dyeing property of cashmere cheese dyed with deep color is disclosed. After the technology is employed for dyeing, dyed cheese has the friction fastness, fastness to water, fastness to washing and perspiration fastness of 4-5 grade, is good in level-dyeing property, small in color difference, and free of color spot and white core phenomenon, and has the color difference delta E less than or equal to 0.01.
Description
Technical field
The present invention relates to field of textiles, be specifically related to a kind of improve cashmere bobbin yarn-dyed dark time level-dyeing property technique.
Background technology
Cashmere is a kind of natural protein fibre costly in textile fiber, and its output is extremely limited, is commonly called as " soft gold ".What domestic cashmere industry size was larger also only has several family, and wherein Ordos, inner Mongolia cashmere group is maximum one, and the sales volume of its annual knitwear is more than millions of, and the dyeing amount of cashmere is close to 3000 tons.
In the process of manufacture of current cashmere knitwear, dyeing has four kinds of methods: loose stock dyeing, hank dyeing, cheese yarn dyeing and garment dyeing.Wherein the dyeing of bulk fibre accounts for 95% of total dyeing amount, and the limitation of garment dyeing is large, seldom adopts.Yarn dyeing is as a kind of necessary complement in dyeing, and its dyeing amount is also little, accounts for 5%, is mainly used in client and draws a design, passs sample, mends the small lot batch manufacture such as yarn, jacquard weave yarn.The dyeing of yarn is traditional adopts hank dyeing, but hank dyeing process route is long, consumption is large, brute force declines, feel is poor, and not easily forms large-scale production.
Along with the development in market, the order batch of client is more and more less, and designs and varieties get more and more, the friendship phase is also shorter and shorter, and the processing of adding cashmere industry is seasonal strong, and production task is concentrated, this brings pressure just to dyeing, spinning, knitting links, is unfavorable for producing.The dyeing of cheese just seems more and more urgent.
Cheese dyeing has the following advantages: 1, with short production cycle, efficiency is fast.2, yarn strength damage little, consume low.3, easily form large-scale production.4, knitted fabric feel is better.
Current domestic cheese yarn dyeing is mainly used in woven product that is cotton and chemical fibre, and because its interlacing requires lower to the level-dyeing property of cylinder yarn, oneself forms large-scale production.But knit product is very responsive to aberration, cashmere cost of material is high again, thus domestic existing to cashmere cheese dyeing use less.Do not have the production of scale, technique is also immature, unstable product quality.
Cheese dyeing adopts short liquor ratio, can save water, electricity, vapour, dye material, also can decreasing pollution, and ravellings is few, and row yielding is high.Its applicable pollutant scope is wide, with short production cycle, is the favourable colouring method of one of small lot, multi items, fast delivery.
In order to improve the quality scale of knitted fabric, except solution COLOR FASTNESS and feel, the color of fabric is its key influence factor.The plentiful uniformity of color of fabric is the most basic style guarantee, and current cashmere cheese yarn dyeing does not form scale, and the level-dyeing property mainly dyeed is poor, fastness is bad, the poor reproducibility of large sample.The quality of cheese yarn dyeing is owing to being subject to the impact of the factors such as technique, equipment, operation, temperature, time, pressure, water quality, bath raio, dye material, and its uncertainty is very high.
Cashmere cheese dyeing existing key issue be exactly level-dyeing property difference.The aberration that in cylinder yarn, China and foreign countries occur, the layer that layer and layer occur is poor, and the cylinder occurred between cylinder and cylinder is poor, cylinder between cylinder and cylinder is poor, and cheese yarn dyeing requires very high to " first time correctness ", once occur that layer is poor or cylinder is poor, do not reach even dyeing effect, just not easily process, the correction of color need be carried out.Revise and exactly first stripping treatment is carried out to color, then according to prescription upper dye again of newly drawing a design.Will certainly increase cost like this, increase yarn consumption, reduce yarn strength, even cashmere yarn is scrapped.And cashmere yarn is once produce aberration, through stripping upper dye, be also difficult to reach even dyeing effect again.We know, cashmere expensive raw material price, and the white yarn of bobbin dyeing cashmere is higher to ingredient requirement, and price is more expensive, and this just makes in the method selecting cashmere cheese careful and careful, can not adapt to the demand in market, constrain economic benefit.So own extremely urgent to the research of cashmere cheese yarn dyeing homogenized diet raising.
Summary of the invention
For the deficiencies in the prior art, an object of the present invention be to provide a kind of improve cashmere bobbin yarn-dyed dark time level-dyeing property technique.After described dyeing, after cheese dyeing, crock fastness, water logging fastness, fastness to washing, perspiration fastness all reach 4-5 level; Cheese dyeing good level-dyeing property, little, the colourless flower of aberration and white core phenomenon, aberration Δ E is less than or equal to 0.01.
The present invention is by the following technical solutions:
Improve cashmere bobbin yarn-dyed dark time level-dyeing property a technique, comprising:
First cashmere yarn is wound on (with holes) on coloured plastics bobbin by the even density of regulation, the layering of cylinder yarn is placed on every root dye liquor spray column of erroneous dyed yarn frame, layer and layer middle adding, fixed every yarn dish; Then the dye cage filling a yarn is placed in the cylinder yarn cylinder of sealing, under certain temperature, pressure condition, utilize the effect of dyeing machine main pump pressure, to make in cylinder repetitive cycling inside and outside dye liquor, dye molecule fully contacts with cashmere fiber, and dyestuff evenly spreads lentamente on fiber, adsorb, set, thus reaches dye, obtain required color, last dewatered drying;
Wherein, rolling density is: slubbing yarn density is 0.4-0.44g/cm3; Spun yarn density is 0.36-0.4g/cm3;
Wherein, often pipe 860-880g, layer thickness is 4.4-4.8cm;
Wherein, dye liquor circulation adopts direct circulation and negative circulation two kinds of modes; Direct circulation 9-11min, pump speed 85-95%; Negative circulation 3.5-4.5min, pump speed 55-65%;
Wherein, dyeing concrete technology flow process is: 30 DEG C are played dye, and 1 DEG C/1.5 points are warmed up to 70 DEG C of insulations 20 points, continues to be raised to 92 DEG C of insulations 90 points carry out post processing cleaning with 1 DEG C/1 point; Post processing cleaning is: 80 DEG C of ammoniacal liquor fixation 30min, are cooled to 60 DEG C, and in HAC and 15min, clear water washes twice; Technology preparation is: Lanasol dyestuff 1.5-2.5%, glauber salt 4.5-5.5%, levelling agent 0.8-1.2%owf, pH value: 4-5, bath raio 1:38-42.
Wherein, described Lanasol dyestuff is red 6G, yellow 4G, blue 3G, red 2G, red GN, red 5B, blue 3R, blue 8G-01, red B.
The technique of optimum of the present invention is:
Wherein, rolling density is: slubbing yarn density is 0.42g/cm3; Spun yarn density is 0.38g/cm3;
Wherein, often pipe 870g, layer thickness is 4.6cm;
Wherein, dye liquor circulation adopts direct circulation and negative circulation two kinds of modes; Direct circulation 10min, pump speed 90%; Negative circulation 4min, pump speed 60%;
Wherein, dyeing concrete technology flow process is: 30 DEG C are played dye, and 1 DEG C/1.5 points are warmed up to 70 DEG C of insulations 20 points, continues to be raised to 92 DEG C of insulations 90 points carry out post processing cleaning with 1 DEG C/1 point; Post processing cleaning is: 80 DEG C of ammoniacal liquor fixation 30min, are cooled to 60 DEG C, and in HAC and 15min, clear water washes twice; Technology preparation is: Lanasol dyestuff 2%, glauber salt 5%, levelling agent 1%owf, pH value: 4.5, bath raio 1:40.
The present invention is described in detail below:
The Main Morphology of existing cashmere cheese dyeing aberration is: middle level yarn and ectonexine yarn shade coloured light differ, and internal layer yarn and outer layer yarn are of different shades, and bobbin and cone yarn shade differ.In general cheese ectonexine is distinguished and between cylinder and cylinder, aberration progression mode has two kinds.The first is by aberration degree between visual evaluation ectonexine bobbin, and another kind knits sheet with flat machine, namely with in cylinder yarn, in, outer three layers of yarn are woven in together, then range estimation dye aberration and defect.
The present invention sums up through large quantifier elimination and finds: the formulation of the technique such as kind of dyes, yarn material density, water quality, circulation timei, pH value, bath raio, dyeing temperature, time all can have impact to the level-dyeing property of cheese.The technique such as yarn material density, water quality, circulation timei, pH value, bath raio, dyeing temperature, time changes along with the difference of kind of dyes.The present invention is according to selected kind of dyes, and research obtains the technological parameters such as corresponding yarn material density, water quality, circulation timei, pH value, bath raio, dyeing temperature, time, obtains fabulous level-dyeing property and dyeability.
(1) selection of kind of dyes
Cheese dyeing is very strict to dye selection, select the dyestuff of good level-dyeing property, favorable reproducibility.The present invention, through large quantifier elimination and test, selects the LANASOL dyestuff of vapour Bagong department to dye to contaminate dark color, and good level-dyeing property when this dyestuff dyes to cashmere, migration property, favorable reproducibility, light fastness are good.
(2) rolling density of cheese
The success of cheese dyeing, to a great extent by the impact that cheese dyeing prepares.The cheese of standard answers weight suitable, even density, is shaped good.The selected Hot Deformation Performance namely will considering yarn of density, the shrinkage in dyeing course, also will consider the impact of the pump lift of dyeing machine, flow, inside and outside differential pressure.The tightness of cheese can regulate according to raw material condition and dyeing demand.Rolling density is excessive, and dye liquor circulation rate is inconsistent, causes inside and outside aberration, hickie, and is unfavorable for the removal of impurity, loose colour, affect the feel of yarn.Rolling density is too small, then easily making yarn come off when dyeing, also can cause dye liquor circulation short circuit, making cone yarn deep mixed, tangles more simultaneously, consume larger during unwinding yarn.Because of different fiber, density size is also different, and the present invention sums up through large quantifier elimination and finds: conventional cashmere slubbing yarn and spun yarn density are adopting the time control of LANASOL dyeing built in following scope: slubbing yarn density is 0.4-0.44g/cm3; Spun yarn density is 0.36-0.4g/cm3;
Choose reasonable weight and thickness (cylinder yarn size) and choose reasonable density no less important, the two connects each other, influences each other.Cheese yarn dyeing, under the prerequisite ensureing homogenized diet, increases every cylinder yarn dyeing amount as far as possible, to reduce the cylinder difference of dyeing and batch poor.The present invention sums up through large quantifier elimination and finds: at employing LANASOL dyeing, and optimum weight and thickness are every pipe 870g, and layer thickness is 4.6cm;
(2) impact of water quality
Water quality situation is very large on cheese dyeing impact.Because cheese inherently can produce filtering effect.So the suspended solids content of water must be low.
According to production practices, cone yarn dyeing has several indexs below to water quality.Containing free chlorine <0.05mg/L; Hardness <25 × 10
-6; Turbidity <3 degree; Iron content <0.1 × 10
-6.
If chloride higher, will there is look and become in the REACTIVE DYES stronger to chlorine sensitiveness, forms different colours at cheese skin with internal layer, namely produces inside and outside aberration.
Water turbidity is high, can form an adsorption layer, also can produce ectonexine aberration at the internal layer of cheese.
Also should control well to the content of iron, as Fe ion is too much, after making drift, yarn or light colour internal layer yarn produce iron rust Huang circle.
(3) endless form
The present invention sums up through large quantifier elimination and finds: the overlong time of direct circulation or flow are crossed big city and caused dark outer shallow aberration in cheese to increase, so circulation timei and relative discharge are connect each other interactional to aberration, a kind of factor can not be considered separately.The dye liquor endless form of the optimum determined is: when adopting LANASOL dyeing, adopts direct circulation and negative circulation two kinds of modes; Direct circulation 10min, pump speed 90%; Negative circulation 4min, pump speed 60%;
(4) dyeing impact
The present invention sums up through large quantifier elimination and finds: dark for LANASOL dyestuff (concentration is 1.5%-2.5%) dye.Bath raio is the most remarkable factor affecting Lanasol dyestuff dye-uptake, and levelling agent, pH value, holding temperature are the secondary causes affecting dye-uptake.And determine most suitable dyeing and be: 30 DEG C are played dye, and 1 DEG C/1.5 points are warmed up to 70 DEG C of insulations 20 points, continue to be raised to 92 DEG C of insulations 90 points carry out post processing cleaning with 1 DEG C/1 point; Post processing cleaning is: 80 DEG C of ammoniacal liquor fixation 30min, are cooled to 60 DEG C, and in HAC and 15min, clear water washes twice; Technology preparation is: Lanasol dyestuff 2% contaminates dark color, glauber salt 5%, levelling agent 1%owf, pH value: 4.5, bath raio 1:40.
The present invention has the following advantages: adopt technique of the present invention, and after cheese dyeing, crock fastness, water logging fastness, fastness to washing, perspiration fastness all reach 4-5 level; Cheese dyeing good level-dyeing property, little, the colourless flower of aberration and white core phenomenon, aberration Δ E is less than or equal to 0.01.
Detailed description of the invention
For ease of understanding the present invention, it is as follows that the present invention enumerates embodiment.Those skilled in the art should understand, described embodiment is only help to understand the present invention, should not be considered as concrete restriction of the present invention.
Performance test adopts following methods:
Colour fastness to rubbing: with reference to GB/T3920-1997 textiles colour fastness to rubbing experimental technique;
Color fastness to washing: with reference to GB/T3921-1997 textiles color fastness to washing experimental technique;
Fastness to perspiration: with reference to GB/T3922-1995 textiles colour fastness to perspiration experimental technique.
Acetes chinensis method: computer is graded, to get equally in yarn, in, outer each a little yarn is woven in together with Computer color testing, compare △ E value, computer directly shows value of chromatism.
Embodiment one
Improve cashmere bobbin yarn-dyed dark time level-dyeing property a technique, comprising:
First cashmere yarn is wound on (with holes) on coloured plastics bobbin by the even density of regulation, the layering of cylinder yarn is placed on every root dye liquor spray column of erroneous dyed yarn frame, layer and layer middle adding, fixed every yarn dish; Then the dye cage filling a yarn is placed in the cylinder yarn cylinder of sealing, under certain temperature, pressure condition, utilize the effect of dyeing machine main pump pressure, to make in cylinder repetitive cycling inside and outside dye liquor, dye molecule fully contacts with cashmere fiber, and dyestuff evenly spreads lentamente on fiber, adsorb, set, thus reaches dye, obtain required color, last dewatered drying;
Wherein, rolling density is: slubbing yarn density is 0.42g/cm3; Spun yarn density is 0.38g/cm3;
Wherein, often pipe 870g, layer thickness is 4.6cm;
Wherein, dye liquor circulation adopts direct circulation and negative circulation two kinds of modes; Direct circulation 10min, pump speed 90%; Negative circulation 4min, pump speed 60%;
Wherein, dyeing concrete technology flow process is: 30 DEG C are played dye, and 1 DEG C/1.5 points are warmed up to 70 DEG C of insulations 20 points, continues to be raised to 92 DEG C of insulations 90 points carry out post processing cleaning with 1 DEG C/1 point; Post processing cleaning is: 80 DEG C of ammoniacal liquor fixation 30min, are cooled to 60 DEG C, and in HAC and 15min, clear water washes twice; Technology preparation is: Lanasol dyestuff 2%, glauber salt 5%, levelling agent 1%owf, pH value: 4.5, bath raio 1:40.
After cheese dyeing, crock fastness is 5 grades, water logging fastness 5 grades, fastness to washing 5 grades, perspiration fastness be 5 grades; Cheese dyeing aberration Δ E is 0.00.
Embodiment two
Improve cashmere bobbin yarn-dyed dark time level-dyeing property a technique, comprising:
First cashmere yarn is wound on (with holes) on coloured plastics bobbin by the even density of regulation, the layering of cylinder yarn is placed on every root dye liquor spray column of erroneous dyed yarn frame, layer and layer middle adding, fixed every yarn dish; Then the dye cage filling a yarn is placed in the cylinder yarn cylinder of sealing, under certain temperature, pressure condition, utilize the effect of dyeing machine main pump pressure, to make in cylinder repetitive cycling inside and outside dye liquor, dye molecule fully contacts with cashmere fiber, and dyestuff evenly spreads lentamente on fiber, adsorb, set, thus reaches dye, obtain required color, last dewatered drying;
Wherein, rolling density is: slubbing yarn density is 0.4g/cm3; Spun yarn density is 0.36g/cm3;
Wherein, often pipe 860g, layer thickness is 4.4cm;
Wherein, dye liquor circulation adopts direct circulation and negative circulation two kinds of modes; Direct circulation 9min, pump speed 85%; Negative circulation 3.5min, pump speed 55%;
Wherein, dyeing concrete technology flow process is: 30 DEG C are played dye, and 1 DEG C/1.5 points are warmed up to 70 DEG C of insulations 20 points, continues to be raised to 92 DEG C of insulations 90 points carry out post processing cleaning with 1 DEG C/1 point; Post processing cleaning is: 80 DEG C of ammoniacal liquor fixation 30min, are cooled to 60 DEG C, and in HAC and 15min, clear water washes twice; Technology preparation is: Lanasol dyestuff 1.5%, glauber salt 4.5%, levelling agent 0.8%owf, pH value: 4, bath raio 1:38.
After cheese dyeing, crock fastness is 5 grades, water logging fastness 4 grades, fastness to washing 4 grades, perspiration fastness be 5 grades; Cheese dyeing aberration Δ E is 0.01
Embodiment three
Improve cashmere bobbin yarn-dyed dark time level-dyeing property a technique, comprising:
First cashmere yarn is wound on (with holes) on coloured plastics bobbin by the even density of regulation, the layering of cylinder yarn is placed on every root dye liquor spray column of erroneous dyed yarn frame, layer and layer middle adding, fixed every yarn dish; Then the dye cage filling a yarn is placed in the cylinder yarn cylinder of sealing, under certain temperature, pressure condition, utilize the effect of dyeing machine main pump pressure, to make in cylinder repetitive cycling inside and outside dye liquor, dye molecule fully contacts with cashmere fiber, and dyestuff evenly spreads lentamente on fiber, adsorb, set, thus reaches dye, obtain required color, last dewatered drying;
Wherein, rolling density is: slubbing yarn density is 0.44g/cm3; Spun yarn density is 0.4g/cm3;
Wherein, often pipe 880g, layer thickness is 4.8cm;
Wherein, dye liquor circulation adopts direct circulation and negative circulation two kinds of modes; Direct circulation 11min, pump speed 95%; Negative circulation 4.5min, pump speed 65%;
Wherein, dyeing concrete technology flow process is: 30 DEG C are played dye, and 1 DEG C/1.5 points are warmed up to 70 DEG C of insulations 20 points, continues to be raised to 92 DEG C of insulations 90 points carry out post processing cleaning with 1 DEG C/1 point; Post processing cleaning is: 80 DEG C of ammoniacal liquor fixation 30min, are cooled to 60 DEG C, and in HAC and 15min, clear water washes twice; Technology preparation is: Lanasol dyestuff 2.5%, glauber salt 5.5%, levelling agent 1.2%owf, pH value 5, bath raio 1:42.
After cheese dyeing, crock fastness is 5 grades, water logging fastness 5 grades, fastness to washing 4 grades, perspiration fastness be 4 grades; Cheese dyeing aberration Δ E is 0.01.
Applicant states, the present invention illustrates detailed process equipment and process flow process of the present invention by above-described embodiment, but the present invention is not limited to above-mentioned detailed process equipment and process flow process, namely do not mean that the present invention must rely on above-mentioned detailed process equipment and process flow process and could implement.Person of ordinary skill in the field should understand, any improvement in the present invention, to equivalence replacement and the interpolation of auxiliary element, the concrete way choice etc. of each raw material of product of the present invention, all drops within protection scope of the present invention and open scope.
Claims (6)
1. improve cashmere bobbin yarn-dyed dark time level-dyeing property a technique, comprising:
First cashmere yarn is wound on (with holes) on coloured plastics bobbin by the even density of regulation, the layering of cylinder yarn is placed on every root dye liquor spray column of erroneous dyed yarn frame, layer and layer middle adding, fixed every yarn dish; Then the dye cage filling a yarn is placed in the cylinder yarn cylinder of sealing, under certain temperature, pressure condition, utilize the effect of dyeing machine main pump pressure, to make in cylinder repetitive cycling inside and outside dye liquor, dye molecule fully contacts with cashmere fiber, and dyestuff evenly spreads lentamente on fiber, adsorb, set, thus reaches dye, obtain required color, last dewatered drying;
Wherein, rolling density is: slubbing yarn density is 0.4-0.44g/cm3; Spun yarn density is 0.36-0.4g/cm3;
Wherein, often pipe 860-880g, layer thickness is 4.4-4.8cm;
Wherein, dye liquor circulation adopts direct circulation and negative circulation two kinds of modes; Direct circulation 9-11min, pump speed 85-95%; Negative circulation 3.5-4.5min, pump speed 55-65%;
Wherein, dyeing concrete technology flow process is: 30 DEG C are played dye, and 1 DEG C/1.5 points are warmed up to 70 DEG C of insulations 20 points, continues to be raised to 92 DEG C of insulations 90 points carry out post processing cleaning with 1 DEG C/1 point; Post processing cleaning is: 80 DEG C of ammoniacal liquor fixation 30min, are cooled to 60 DEG C, and in HAC and 15min, clear water washes twice; Technology preparation is: Lanasol dyestuff 1.5-2.5%, glauber salt 4.5-5.5%, levelling agent 0.8-1.2%owf, pH value: 4-5, bath raio 1:38-42.
2. technique according to claim 1, wherein, described Lanasol dyestuff is red 6G, yellow 4G, blue 3G, red 2G, red GN, red 5B, blue 3R, blue 8G-01, red B.
3. technique according to claim 1, wherein, rolling density is: slubbing yarn density is 0.42g/cm3; Spun yarn density is 0.38g/cm3.
4. technique according to claim 1, wherein, often pipe 870g, layer thickness is 4.6cm.
5. technique according to claim 1, wherein, dye liquor circulation adopts direct circulation and negative circulation two kinds of modes; Direct circulation 10min, pump speed 90%; Negative circulation 4min, pump speed 60%.
6. technique according to claim 1, wherein, dyeing concrete technology flow process is: 30 DEG C are played dye, and 1 DEG C/1.5 points are warmed up to 70 DEG C of insulations 20 points, continues to be raised to 92 DEG C of insulations 90 points carry out post processing cleaning with 1 DEG C/1 point; Post processing cleaning is: 80 DEG C of ammoniacal liquor fixation 30min, are cooled to 60 DEG C, and in HAC and 15min, clear water washes twice; Technology preparation is: Lanasol dyestuff 2%, glauber salt 5%, levelling agent 1%owf, pH value: 4.5, bath raio 1:40.
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|---|---|---|---|
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112123494A (en) * | 2020-10-12 | 2020-12-25 | 张迪 | Wood veneer dyeing process not prone to fading |
| CN114438801A (en) * | 2022-03-17 | 2022-05-06 | 浙江绿宇纺织科技有限公司 | Animal hair cheese and reactive dye dyeing method thereof |
-
2013
- 2013-07-09 CN CN201310286894.0A patent/CN104278570A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112123494A (en) * | 2020-10-12 | 2020-12-25 | 张迪 | Wood veneer dyeing process not prone to fading |
| CN114438801A (en) * | 2022-03-17 | 2022-05-06 | 浙江绿宇纺织科技有限公司 | Animal hair cheese and reactive dye dyeing method thereof |
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Application publication date: 20150114 |