CN106368004A - Cold pad batch processing method of cotton fibers through pre-treatment dyeing one-bath method - Google Patents

Cold pad batch processing method of cotton fibers through pre-treatment dyeing one-bath method Download PDF

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CN106368004A
CN106368004A CN201610735963.5A CN201610735963A CN106368004A CN 106368004 A CN106368004 A CN 106368004A CN 201610735963 A CN201610735963 A CN 201610735963A CN 106368004 A CN106368004 A CN 106368004A
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treatment
batch processing
processing method
cold pad
bath
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赵涛
毛妍菊
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Donghua University
National Dong Hwa University
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Donghua University
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    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06PDYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P1/00General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
    • D06P1/38General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using reactive dyes
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06BTREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
    • D06B23/00Component parts, details, or accessories of apparatus or machines, specially adapted for the treating of textile materials, not restricted to a particular kind of apparatus, provided for in groups D06B1/00 - D06B21/00
    • D06B23/20Arrangements of apparatus for treating processing-liquids, -gases or -vapours, e.g. purification, filtration or distillation
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06BTREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
    • D06B3/00Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating
    • D06B3/02Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating of fibres, slivers or rovings
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06MTREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M16/00Biochemical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. enzymatic
    • D06M16/003Biochemical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. enzymatic with enzymes or microorganisms
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06PDYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P1/00General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
    • D06P1/44General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
    • D06P1/445Use of auxiliary substances before, during or after dyeing or printing
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06PDYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P1/00General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
    • D06P1/44General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
    • D06P1/64General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders using compositions containing low-molecular-weight organic compounds without sulfate or sulfonate groups
    • D06P1/642Compounds containing nitrogen
    • D06P1/649Compounds containing carbonamide, thiocarbonamide or guanyl groups
    • D06P1/6491(Thio)urea or (cyclic) derivatives
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06PDYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P1/00General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
    • D06P1/44General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
    • D06P1/673Inorganic compounds
    • D06P1/67333Salts or hydroxides
    • D06P1/6735Salts or hydroxides of alkaline or alkaline-earth metals with anions different from those provided for in D06P1/67341
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06PDYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P1/00General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
    • D06P1/44General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
    • D06P1/673Inorganic compounds
    • D06P1/67383Inorganic compounds containing silicon
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06PDYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P3/00Special processes of dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form, classified according to the material treated
    • D06P3/58Material containing hydroxyl groups
    • D06P3/60Natural or regenerated cellulose
    • D06P3/66Natural or regenerated cellulose using reactive dyes
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06MTREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M2101/00Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
    • D06M2101/02Natural fibres, other than mineral fibres
    • D06M2101/04Vegetal fibres
    • D06M2101/06Vegetal fibres cellulosic

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biochemistry (AREA)
  • Microbiology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Coloring (AREA)

Abstract

The invention provides a cold pad batch processing method of cotton fibers through a pre-treatment dyeing one-bath method. The cold pad batch processing method is characterized by comprising: padding raw cotton loose fibers into impregnation liquid; after padding, stacking at a room temperature for 8h to 20h; washing with hot water at 70 DEG C to 80 DEG C and soaping; washing with cold water and drying, wherein the impregnation liquid contains 10g/L to 80g/L of an active dyestuff, 3g/L to 5g/L of a pre-treatment auxiliary agent, 30g/L to 100g/L of a co-solvent, 5g/L to 18g/L of an alkali agent and 20g/L to 50g/ of sodium sulfate, and the alkali agent is one or a compound of more of sodium silicate, sodium carbonate, sodium phosphate and sodium hydroxide. A cold pad batch treatment process provided by the invention is carried out at a room temperature, a formula is simple and the operation is convenient; raw cotton does not need to be independently pre-treated; the auxiliary agent is added and pre-treatment and dyeing can be carried out in one bath, so that the cost is reduced; damage to the fibers is small and the hand feeling is good; the utilization rate of the dyestuff is high, less sewage is discharged, and energy saving and emission reduction are realized.

Description

A kind of cold pad--batch processing method to cotton fiber for pre-treatment one-bath dyeing method
Technical field
The invention belongs to cotton loose stock dyeing field, process the work of cotton staple in bulk with bath particularly to a kind of pre-treatment dyeing Skill.
Background technology
Pure colored cotton roving is adequately mixed by two or more dyeing processes, drawing-off, twisting form, and it is with " first The processing method of loose stock dyeing, rear blended colour yarn ", breaches the defect of conventional yarn single color, innovatively develops The single thread style of unique color blending effect, technology content is higher.However, to raw cotton staple in bulk direct staining, due to raw cotton originally Body contains fiber accompaniment, and wettability is poor, and during dyeing, the permeability of dyestuff is bad, thus affecting the upper dye of dyestuff, obtains color not Depth and degree of fixation is not high.If first conventional pre-treatment is carried out to raw cotton staple in bulk, then carry out conventional impregnation method dyeing, loose wool fiber At high temperature, strongly impaired, flexibility decrease, and feel is bad, the work such as follow-up spinning of impact, low production efficiency, simultaneously Water consumption power consumption is more, does not meet the direction of energy-saving and emission-reduction development.Pre-treatment auxiliary agent includes some high-efficiency refining agents, enzyme agent Deng can help remove the impurity such as pectin contained by fiber, improve the wettability of fiber.Cold rolling batch-dying process includes the suction of dyestuff Attached, diffusion and set, fabric is impregnated after the of short duration time in dye liquor, through roll roll compacting, dye liquor is clamp-oned the space of textile In, bank up a very long time at room temperature by clot for the fabric after padding, and enables dyestuff fully from fiber surface absorption, diffusion To fibrous inside, and there is fixation reaction with fiber in the presence of alkaline agent.Because color fixing temperature is low, be conducive to improving fixation effect Rate.In order to ensure abundant infiltration during textile pad dye liquor, help fiber swelling, suitable adjuvants in dye liquor, should be added.
Content of the invention
The technical problem to be solved is to provide the side that a kind of raw cotton staple in bulk pre-treatment and dyeing are processed with bath Method.The method is carried out at normal temperatures, and formula is simple, easy to operate, need not individually carry out pre-treatment to raw cotton, adding by auxiliary agent Enter to realize pre-treatment and dyeing is carried out simultaneously, cost-effective, little to fibre damage, preferably, dye utilization rate is high for feel, and sewage is arranged Put few, energy-saving and emission-reduction.
In order to solve above-mentioned technical problem, the invention provides a kind of cold pad--batch to cotton fiber for pre-treatment one-bath dyeing method Processing method is it is characterised in that include: raw cotton staple in bulk padded in impregnation liquid, pads rear stacking at room temperature 8~20h, 70~ 80 DEG C of hot water wash, soap, cold water is washed, and dry;Wherein, described impregnation liquid contains reactive dye 10~80g/l, pre-treatment auxiliary agent 3~5g/l, cosolvent 30~100g/l, alkaline agent 5~18g/l and sodium sulfate 20~50g/l;Described alkaline agent be sodium silicate, One or more of sodium carbonate, sodium phosphate and sodium hydroxide compound.
Preferably, described pre-treatment auxiliary agent is at least one in scouring penetrant jfc and alkaline pectase.
Preferably, described cosolvent is carbamide.
Preferably, described raw cotton staple in bulk is the loose wool fiber through combing.
Preferably, the described dip time 5~15min padding, pick-up rate 80~120%, two leachings two are rolled.
Preferably, described stacking at room temperature is to bank up in the case of sealing.
Preferably, the described temperature soaped is less than 95 DEG C, and using 2g/l soaping agent, bath raio 1: 20, soap 10min.
Preferably, when preparing described impregnation liquid, alkaline agent is eventually adding.
The present invention relates to a kind of pre-treatment dyeing processes the technique of cotton staple in bulk with bath, that is, press above-mentioned composition at room temperature Prepare padding liquid, uniformly pad rear stacking at room temperature, washing, dry.
During cold-pad-batch process is processed, the dye liquor of preparation not only includes dyestuff and fixation alkaline agent, also has some auxiliary agents, cosolvent Deng.After fiber impregnates the of short duration time in dye liquor, through roll roll compacting, dye liquor is clamp-oned so that dyestuff and auxiliary agent adsorb in fiber Surface;Fiber after padding is banked up a very long time at room temperature, and auxiliary agent can help pectin of removal fiber surface etc. miscellaneous Matter, dyestuff fully can adsorb, be diffused into fibrous inside from fiber surface, and occurs set anti-with fiber in the presence of alkaline agent Should, finally washed again, removed surface loose colour and other auxiliary agents, alkaline agent, improved washing fastness.
Auxiliary agent be scouring penetrant jfc and alkaline pectase, because cotton fiber is without pre-treatment, surface exist pectin and The impurity such as some waxinesss, add auxiliary agent can make the rapid moistening of raw cotton fiber, have certain dividing in the presence of alkaline agent to impurity Solution acts on, and is conducive to infiltration, the absorption of dyestuff;Alkaline pectase has certain decomposition to the pectin of fiber surface, accelerates The moistening of fiber.
Cosolvent is carbamide, and because cold-rolling heap staining dye strength is higher, carbamide has depolymerisation to anionic dye, makes Colorant dissolubility improves.Again good hygroscopic agent simultaneously, by increasing capacitance it is possible to increase fiber swelling.
Fixation alkaline agent is generally the mixture of Caustic soda and sodium silicate, because cold-pad-batch process is to carry out under cryogenic , need stronger fixation alkaline agent, therefore need the highly basic adding Caustic soda to be similar to;Sodium silicate plays Stabilization, fixation when just starting Speed is fast, and permeability and uniformity can decline, and sodium silicate plays the effect of a buffering wherein so that initial colour fixation rete Slow down, dyeability increases.
Pad the infiltration being to accelerate dye liquor and auxiliary agent by applying pressure, fiber liquid carrying rate is 100~150%, uniformly The level-dyeing property padding for fiber is critically important.If dye liquor is inadequate to fiber pervasion, should not continue intensified pressure, and pass through two leachings two The mode rolled helps fiber uniformly penetrating.It should with plastic sheeting burden, sealing during stacking at room temperature, it is to avoid with air contact, prevent Only under alkalescence condition, the oxygen of in the air and fiber-reactive, damage fiber.
Time of banking up is larger on the upper dye impact of dyestuff, and the time is unsuitable too short, and otherwise dyestuff is insufficient to the upper dye of fiber, Dye utilization rate is low, prolongation over time, and dye-uptake increases, but overlong time of banking up, the dyestuff generation being combined with cotton fiber The meeting of hydrolysis gets more and more, and causes degree of fixation to reduce, loose colour increases, washing fastness is deteriorated.Therefore the time of banking up should be according to dye The reactivity of material and fixation alkaline agent are determining.
Compared with prior art, the invention has the beneficial effects as follows:
(1) present invention adopts pre-treatment and dyeing to achieve pre-treatment with bathing cold-pad-batch process, the addition of auxiliary agent and dyestuff Carry out with bath with dyeing, it is not necessary to individually carry out a series of pre-treatment work such as the refine of routine, bleaching, cotton staple in bulk being damaged Little;Production efficiency improves simultaneously, cost-effective.
(2) cold-pad-batch process is carried out at room temperature, and unlike conventional impregnation method dyeing needs to heat, and bath raio is little, power consumption Water consumption is few, economizes on resources, ecological, environmental protective.
(3) during cold-rolling heap staining, reactive dye utilization rate is high, obtains color depth, and degree of fixation is high, and suitable dyes are wide in variety,.Washing In the sewage discharging afterwards, dye content is few, decreases water pollution, is conducive to ecological, environmental protective.
(4) whole processing technology process is convenient, simple to operate, directly to loose stock dyeing, is capable of colour-spun yarns, breaks through The single color of conventional yarn, has certain economic benefit.
Specific embodiment
With reference to specific embodiment, the present invention is expanded on further.It should be understood that these embodiments are merely to illustrate the present invention Rather than restriction the scope of the present invention.In addition, it is to be understood that after having read the content of present invention instruction, people in the art Member can make various changes or modifications to the present invention, and these equivalent form of values equally fall within the application appended claims and limited Scope.
Cold water of the present invention is the water of room temperature.Penetrating agent jfc in following examples is purchased from Chinese medicines group chemistry examination Agent company limited.Alkaline pectase is bioprep3000l alkaline pectase (Novozymes Company, enzyme activity 3000u/ml)
Embodiment 1
A kind of cold pad--batch processing method to cotton fiber for pre-treatment one-bath dyeing method, concretely comprises the following steps:
Weigh the raw cotton staple in bulk 2g after combing, pad in impregnation liquid, twice co-impregnation ten minutes, pick-up rate 120%, Two leachings two are rolled, and are coated with plastic sheeting, stacking at room temperature 12h in the case of sealing, first 70~80 DEG C of hot water wash, soap after padding (commerical grade soaping agent 2g/l, bath raio 1: 20,95 DEG C of temperature, time 10min), then cold water washes, 80-95 DEG C of drying, is dyeed Cotton fiber.
The formula of described impregnation liquid is: reactive black kn-b (two active groups) 40g/l, carbamide 50g/l, sodium sulfate 30g/ L, scouring penetrant jfc 4g/l, alkaline pectase 2g/l, Caustic soda 3g/l, sodium silicate 15g/l.During preparation, at room temperature successively It is added to the water mixing, stir.
Embodiment 2
A kind of cold pad--batch processing method to cotton fiber for pre-treatment one-bath dyeing method, concretely comprises the following steps:
Weigh the raw cotton staple in bulk 2g after combing, pad in impregnation liquid, twice co-impregnation ten minutes, pick-up rate 120%, Two leachings two are rolled, and are coated with plastic sheeting, stacking at room temperature 12h in the case of sealing, first 70~80 DEG C of hot water wash, soap after padding (commerical grade soaping agent 2g/l, bath raio 1: 20,95 DEG C of temperature, time 10min), then cold water washes, 80-95 DEG C of drying, is dyeed Cotton fiber.
The formula of described impregnation liquid is: reactive brilliant bule kn-r20g/l, carbamide 50g/l, sodium sulfate 30g/l, and refine is permeated Agent jfc4g/l, alkaline pectase 2g/l, soda 2g/l, sodium silicate 10g/l.During preparation, sequentially add mixed in water at room temperature Close, stir.
Sample in embodiment is carried out with test characterize, test event, method of testing and test result are as follows:
Test event and method of testing:
(1) fiber surface tinctorial yield: this experiment adopts datacolor650 color measurement and color match instrument to measure the apparent of coloured fibre Tinctorial yield, makees index with k/s value.
(2) degree of fixation: this experiment is stripped to the sample before and after fixation respectively using carbamide method of stripping, after measurement is stripped Obtain the absorbance of solution and the quality of sample of stripping, degree of fixation f% is calculated according to formula.
(3) dye the washing fastness of sample: " textile color stability tests resistance to color of soaping according to gb/t 3921-2008 for this experiment Fastness " in staple in bulk standard test, with datacolour650 color measurement and color match instrument grading.
(4) fiber strength: this experiment uses xq-2 type fiber strength instrument to measure, and is represented with relative strength.
Test result is as follows:
Sample in embodiment 1 and 2 is carried out every test, and enters with first passing through the fiber sample that pre-treatment dyeed again Row comparative analysiss, result is listed in table 1.
Fiber pre-treating technology: Caustic soda 1.5g/l, sodium silicate 2g/l, hydrogen peroxide 2g/l, sodium sulfite 1g/l, bath raio 1: 20,95 DEG C of temperature, time 60min.
Conventional exhaust process: prescription includes dyestuff 10% (o.w.f), sodium sulfate 50g/l, sodium carbonate 20g/l, bath raio 1: 50.Technique includes after fiber moistening extracts, treating that dye bath temperature rises to 40 DEG C, adding the sodium sulfate of dyestuff, fiber and half, Add after 15min and contaminate in other half sodium sulfate continuation, after 30min, be warming up to 60 DEG C, add sodium carbonate, be incubated fixation 60min, is washed after dyeing, dries.
Conventional cold-pad-batch process (after fiber is pre-treatment): dye liquor includes reactive dye 10~80g/l, carbamide 50g/l, Sodium sulfate 30g/l, Caustic soda 1-5g/l, sodium silicate 3-8g/l, two leaching two is rolled, and pick-up rate is 120%, is incubated the 12h that banks up, and washes, Dry.
Table one is embodiment 1 and 2 and each test event of control sample contrast sign.
As can be seen from Table I, individually do not carry out the fiber of pre-treatment, tinctorial yield and degree of fixation can reach often The effect being dyeed again after rule pre-treatment, and washing fastness is also fine, in addition passes through the fiber of conventional pre-treatment poststaining Strength has certain damage, and the fiber strength damage directly carrying out cold-rolling heap staining is less.

Claims (8)

1. a kind of pre-treatment one-bath dyeing method to the cold pad--batch processing method of cotton fiber it is characterised in that including: raw cotton is dissipated fibre Dimension is padded in impregnation liquid, pads rear stacking at room temperature 8~20h, 70~80 DEG C of hot water wash, soaps, cold water is washed, and dries;Wherein, institute The impregnation liquid stated contains reactive dye 10~80g/l, pre-treatment auxiliary agent 3~5g/l, cosolvent 30~100g/l, and alkaline agent 5~ 18g/l and sodium sulfate 20~50g/l;Described alkaline agent is one of sodium silicate, sodium carbonate, sodium phosphate and sodium hydroxide Or several compound.
2. pre-treatment one-bath dyeing method as claimed in claim 1 to the cold pad--batch processing method of cotton fiber it is characterised in that institute The pre-treatment auxiliary agent stated is at least one in scouring penetrant and alkaline pectase.
3. pre-treatment one-bath dyeing method as claimed in claim 1 to the cold pad--batch processing method of cotton fiber it is characterised in that institute The cosolvent stated is carbamide.
4. pre-treatment one-bath dyeing method as claimed in claim 1 to the cold pad--batch processing method of cotton fiber it is characterised in that institute The raw cotton staple in bulk stated is the loose wool fiber through combing.
5. pre-treatment one-bath dyeing method as claimed in claim 1 to the cold pad--batch processing method of cotton fiber it is characterised in that institute Dip time 5~the 15min padding stating, pick-up rate 80~120%, two leachings two are rolled.
6. pre-treatment one-bath dyeing method as claimed in claim 1 to the cold pad--batch processing method of cotton fiber it is characterised in that institute The stacking at room temperature stated is to bank up in the case of sealing.
7. pre-treatment one-bath dyeing method as claimed in claim 1 to the cold pad--batch processing method of cotton fiber it is characterised in that institute The temperature soaped stated is less than 95 DEG C, and using 2g/l soaping agent, bath raio 1: 20, soap 10min.
8. pre-treatment one-bath dyeing method as claimed in claim 1 to the cold pad--batch processing method of cotton fiber it is characterised in that When preparing described impregnation liquid, alkaline agent is eventually adding.
CN201610735963.5A 2016-08-26 2016-08-26 Cold pad batch processing method of cotton fibers through pre-treatment dyeing one-bath method Pending CN106368004A (en)

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CN107604711A (en) * 2017-10-09 2018-01-19 山东黄河三角洲纺织科技研究院有限公司 A kind of cotton fiber continuous dyeing method
CN109577035A (en) * 2018-11-26 2019-04-05 绍兴国周针织科技有限公司 A kind of stock-dye technique
CN109736034A (en) * 2018-12-30 2019-05-10 山东黄河三角洲纺织科技研究院有限公司 A kind of dyeing apparatus and its colouring method of cotton fiber
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Publication number Priority date Publication date Assignee Title
CN107604711A (en) * 2017-10-09 2018-01-19 山东黄河三角洲纺织科技研究院有限公司 A kind of cotton fiber continuous dyeing method
CN109577035A (en) * 2018-11-26 2019-04-05 绍兴国周针织科技有限公司 A kind of stock-dye technique
CN109736034A (en) * 2018-12-30 2019-05-10 山东黄河三角洲纺织科技研究院有限公司 A kind of dyeing apparatus and its colouring method of cotton fiber
CN112144300A (en) * 2020-10-15 2020-12-29 魏桥纺织股份有限公司 Method for dyeing loose fibers by using vegetable dye

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