CN102561063B - Rare earth mordant dyeing method for kapok fiber and textile thereof - Google Patents
Rare earth mordant dyeing method for kapok fiber and textile thereof Download PDFInfo
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- CN102561063B CN102561063B CN2012100276968A CN201210027696A CN102561063B CN 102561063 B CN102561063 B CN 102561063B CN 2012100276968 A CN2012100276968 A CN 2012100276968A CN 201210027696 A CN201210027696 A CN 201210027696A CN 102561063 B CN102561063 B CN 102561063B
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Abstract
The invention relates to a rare earth mordant dyeing method for kapok fibers and textiles thereof. The method comprises the following steps: pre-treating kapok textile so as to remove some waxy xubstances, impurities and the like on the surface of the kapok fiber and achieve certain whiteness; and then adding a complexing rare earth mordant into a dye bath of the pretreated kapok textile, and mordant dyeing the kapok textile. Compared with the prior art, according to the dyeing method of the invention, the dyeing of the kapok fibers and textiles thereof is not limited to direct dyes and can also be used for other anionic dyes such as reactive dyes and the like, and the problems of low rate of dye-uptake, poor level-dyeing property, poor deep-color dyeing effect, poor dyeing fastness and the like are overcome.
Description
Technical field
The present invention relates to a kind of colouring method of textile fabric, especially relate to a kind of method that improves bombax cotton and textile dyeing performance thereof, the kapok textiles adopts rare earth mordant dyeing can improve the dye-uptake of dyestuff, the degree of fixation of dyestuff, the COLOR FASTNESS of dying rear textiles.
Background technology
Bombax cotton is the fruit fiber of xylophyta silk cotton tree, is attached to kapok capsule inner walls, by tapetum cell growth, growth, is formed.Bombax cotton and fruit adhewsive action power are little, thereby generally do not need special preliminary working equipment, only need large bamboo or wicker basket to sieve, and the kapok seed just can sink to the bottom voluntarily, can obtain bombax cotton.Many natural characteristics such as bombax cotton has green ecological, hollow is ultralight, warmth retention property good, natural antibacterial, moisture absorption.Bombax cotton is because its length is short, intensity is low, coherent is poor and lack flexibility and be difficult to independent spinning, and these deficiencies have restricted its application and development aspect textile garment.But existing people utilizes bombax cotton and other fiber blends to produce the cold-proof underwear with fabulous thermal property at present, and its finished product has warming, the powerful quick moisture conducting of superelevation, next to the skin thinner soft, slimmer and more graceful four large characteristics.
Though bombax cotton and textile product thereof have some listings, but exist dyeing and rear arrangement problem, mainly that available dye species few (only limiting to direct dyes), dye-uptake are low, level-dyeing property is poor, on dye the problems such as bathochromic effect is poor, dyefastness is difficult to effectively improve; In addition, uneven dyeing also very easily appears in the blending of bombax cotton and other fibers and interweaving product.This be likely and cotton fiber relatively, the content of cellulose of bombax cotton is obviously less, and bombax cotton has special morphosis and supramolecular structure, cause dye molecule on dye more difficultly, and level-dyeing property, COLOR FASTNESS etc. are not ideal enough.And it is also fewer for the dyeing research that improves bombax cotton at present.
At current people's uphold nature, pursue under green, ecological environment, the bombax cotton that research and development has special performance just seems particularly necessary.Therefore, be starved of a kind of method that improves the bombax cotton dyeability that provides, can be dyeed with the dyestuff except direct dyes, and can improve dye-uptake, degree of fixation, dye level and the COLOR FASTNESS etc. of dyestuff to kapok.
Rare earth element (Rare Earth), be called for short rare earth (RE or R), mainly refer to lanthanide series in the periodic table of chemical element---lanthanum (La), cerium (Ce), praseodymium (Pr), neodymium (Nd), promethium (Pm), samarium (Sm), europium (Eu), terbium (Tb), ytterbium (Yb), dysprosium (Dy), holmium (Ho), gadolinium (Gd), erbium (Er), thulium (Tm), lutetium (Lu), and with closely-related two elements of 15 elements of group of the lanthanides---totally 17 kinds of elements such as yttrium (Y), scandium (Sc) etc.The ion of rare earth element can form bond with hydroxyl, azo group or the sulfonic group etc. of dyestuff, fiber and other compounds, makes rare earth can be widely used in dyeing.
In the pretreatment process of fabric, while in treatment fluid, adding a certain amount of rare earth, can increase the whiteness of fabric and improve capillary effect etc.According to document announcement, the reason that adds rare earth can improve the capillary effect after fabric pretreatment has two aspects: the one, and the interaction of rare earth ion to fiber, make swelling of fiber, structural relaxation.Experiment showed, that the rare earth pre-treatment can make the vertical clean mark of fabric, it is cylindric that fiber is, surface clean, short texture.It two is due to activation and the complexing of rare earth to the impurity on fiber, makes itself and the cleaved impurity that contains the elements such as N, O, S form complex compound, is dispersed in solution through washing, thereby has improved the capillary effect of fabric.In addition, rare earth element can make coloring matter activation on fiber, and it is carried out with reacting easily of bleaching agent, reduces the activation energy of bleaching action, the bleaching action of fabric is had to the active catalytic effect; And through measuring, the maximum absorption wavelength of rare earth element itself is the 580nm left and right, and it has the ability of gold-tinted being selected to absorption, and fabric whiteness is improved contribution is arranged.
Rare earth is mainly used in wool, real silk, acrylic fibers, polyamide fibre, terylene in dyeing processing, also can be used for the dyeing of the strings such as cotton, fiber crops.Its Main Function is embodied in and increases dark, level dyeing, the discharge of minimizing dyeing waste water, shortens dyeing, reduces dyeing temperature and improve several aspects such as dyefastness.In the market, rare-earth dyeing assistant is to take multicomponent, the multifunctional dyeing auxiliary agent that macromolecule rare-earth complex, rare earth oxide or rare-earth salts be main component mostly.Its collection level dyeing, fixation, increase and be deeper than one, can improve the adhesion of dyestuff and fabric, increase colorfastness, the while can increase color depth (saturation degree, lightness etc.).
When the researcher of Sichuan Chengdu Textile higher junior college adopts the natural plant dye turmeric to dye for ramie fabric, can dye to obtain bright-coloured dark dense yellow, and add rare earth and make mordant in this dyeing liquor, can make fabric obtain dyefastness preferably, improve dye-uptake, reduce and dye the solubility of material in water, thereby reduce the pollution to environment, and can improve acid, alkaline stability and the Exposure to Sunlight stability of natural plant dye dyeing product.And for example, in the experiment of ramie fabric being dyeed with vegetable colours such as bush, betel nut, the coptis, cape jasmines, still adopt above-mentioned technique and rare earth mordant, received too good effect.
Hai'an, Jiangsu silk printing dye-works adopts mixed chlorinated rare earth to help to dye, obtained good result in the silk broadcloth dyeing by jigger.Practice shows, earth solution, in the dyeing of silk fabrics, also has the very strong short effect of dying except having to add the dark shade effect, and dyeing time also slightly shortens than normal dyeing.With normal dyeing, Wang Yi compares, and the silk fabrics COLOR FASTNESS of rare-earths dyeing improves, and can save dyestuff, reduces costs.But rare-earths dyeing has selectively dyestuff, part faintly acid, neutral dye and rare earth there will be coacervation while meeting.
Rare earth also is widely used in the chemical finishing of textiles.The resistance to water of the textiles of processing through rare earth salts improves, and has anticorrosion, mothproof, acid-proof, the performance such as fire-retardant, antibiotic, adds different rare earth salts, can improve the persistence of fabric crease, slows down due to fold illumination and the mouldy damage caused; The acrylic fiber sprayed with chloride, nitrate or sulfate containing cerium, can be made into fire-proof fabric; Lanthana can be used as the chemicals of silk and artificial silk weightening finish.Fabric through rare earth-iron-boron and 1,10-Phen, 2,2 '-after the Triple Complex of bipyridyl arranges, there is stronger antibiotic, bacteriostasis.In addition, utilize rare earth material as illuminator, the light accumulation type fiber with noctilucence of making through extraordinary spinning technique, be a kind of novel high-tech functional fibre.
Summary of the invention
Purpose of the present invention is exactly that the rare earth mordant dyeing method of a kind of bombax cotton and textiles thereof is provided in order to overcome the defect that above-mentioned prior art exists, can allow the dyeing of bombax cotton and textiles thereof not only be confined to direct dyes, also can be with other anionic dye, as REACTIVE DYES etc. is dyeed, and overcome that dye-uptake is low, level-dyeing property is poor, on dye the problems such as bathochromic effect is poor, dyefastness is poor.
Purpose of the present invention can be achieved through the following technical solutions:
The rare earth mordant dyeing method of a kind of bombax cotton and textiles thereof comprises the following steps:
(1) the kapok textiles is carried out to pre-treatment, remove wax and the impurity on bombax cotton surface, and make bombax cotton reach certain whiteness;
(2) the kapok textiles through pre-treatment is put in the dye bath that adds the complex rare-earth mordant, it is carried out to mordant dying and get final product.
Described kapok textiles comprises blended yarn or the BLENDED FABRIC of kapok bulk fibre, kapok yarn, kapok fabric and kapok and other fiber.
Pre-treatment described in step (1) comprises alkali treatment and bleaching.
Described alkali treatment is to utilize caustic soda and other boiling-off additives to react or emulsification, Swelling Functions etc. with pectic substance, waxy substance, nitrogen substance, cotton seed hulls generation chemical degradation in bombax cotton, after washing, impurity is stripped from fiber or fabric.The alkali treatment solution adopted at the temperature of 95～100 ℃ to textile treatment 2～3 hours, the mixed solution that the sodium metasilicate of the caustic soda that described alkali treatment solution is 10～15g/L, the surfactant of 0.5～2g/L and 1.5～3g/L forms, described surfactant comprises penetrating agent JFC or dispersant paregal O.
The purpose of described bleaching just is to remove the pigment in bombax cotton, gives fabric necessity and stable whiteness, and fiber itself is not subject to significant damage.Adopt clorox, hydrogen peroxide or sodium chlorite to carry out bleaching to the kapok textiles; The bleaching concentration of hydrogen peroxide bleaching is 2～6g/L, and the pH value is 10～10.5, need add sodium metasilicate or non-silicone oxidation bleach stabilizer 1～2g/L, under the condition that is 90～100 ℃ in temperature to fabric treating 45～60min; The bleaching concentration of sodium hypochlorite bleaching is 0.5～1.5g/L, and the pH value is 9～10, at 20～35 ℃ of room temperatures, fabric treating 30～45min; The bleaching concentration of chlorite bleaching is 1～2g/L, and the pH value is 4～4.5, adds acetic acid or ammonium sulfate as activator, under the condition that is 40～80 ℃ in temperature to fabric treating 60～90min.
Rare earth in complex rare-earth mordant described in step (2) is lanthanum chloride, cerium chloride or neodymium chloride, preferably the lanthanum chloride earth solution.
Complex rare-earth mordant described in step (2) is usingd citric acid as complexing agent, react and form with the rare earth chloride ion coordination, by earth solution, under agitation slowly join in the complexing agent part, then use distilled water diluting, wherein, the mol ratio of citric acid complexing agent and rare earth chloride ion is 1: 3～3: 1, and optimization citric acid and lanthanum chloride are usingd mol ratio complexing in 1: 1 as mordant.
Mordant dying described in step (2) adopts the rare earth One Bath Dyeing, the complex rare-earth mordant is joined in dye solution, controlling temperature is 40～90 ℃, oscillation treatment 5～10min, then will be placed in dye liquor through the ceiba fiber textiles of pre-treatment, and controlling temperature is 40～90 ℃, 30～90min is processed in dyeing, test its dye-uptake, take out, then through washing, dry and obtain the kapok dyeing product.
Described dyestuff is the anionic dyestuff, comprises direct dyes, REACTIVE DYES, ACID DYES or soluble vat dye; Described direct dyes comprise commercially available salad Fei Nier dyestuff, described REACTIVE DYES comprises commercially available Cibacron FN, described ACID DYES comprises commercially available Acid Red G or Weakly Acid Brilliant Blue RAW, and described soluble vat dye comprises commercially available cubozols dyestuff.
Complex rare-earth mordant consumption described in step (2) is 0.5～3.5% (o.w.f.).
Compared with prior art, the present invention has adopted the method for rare earth to kapok textiles mordant dying, in dyeing, adds rare earth, and the hydroxyl on cellulose can be combined with the rare earth ion with positive trivalent, this is equivalent to add " dying seat " on cellulose fibre, is beneficial on dyestuff and dyes; Due to the rare earth ion electrical properties, its generation " class dielectric " acted on and reduce rapidly the fiber surface Zeta potential, and then being combined with fiber near fiber simultaneously, forming strong gravity and " dye seat "; And due to the rare earth ion small volume and there is stronger hydratability, also can carry large quantity of moisture simultaneously and enter fibrous inside, make the crystallization edge swell of fiber and produce fine fisssure, be beneficial to the infiltration of dye molecule, thereby improve dye-uptake and the degree of fixation of dyestuff, improve the dyeability of kapok.
The specific embodiment
Below in conjunction with specific embodiment, the present invention is described in detail.
Embodiment 1
The kapok pre-treatment
Process → washing of kapok → alkali treatment → washing → oven dry → hydrogen peroxide bleaching → dry.
The kapok bulk fibre
Alkali treatment solution, hydrogen peroxide bleaching Treatment Solution all be take water as solvent, its component:
(1) alkali treatment solution: NaOH, 10g/L; Penetrating agent JFC, 1g/L; Paregal O, 1g/L; Sodium metasilicate, 2g/L; Bath raio, 1: 30.
(2) hydrogen peroxide bleaching Treatment Solution: 30% hydrogen peroxide, 2g/L; The hydrogen peroxide bleaching stabilizer sodium metasilicate, 1g/L; Regulating the pH value with NaOH is 10.5～11; Bath raio, 1: 30.
Concrete operations:
Take a certain amount of kapok bulk fibre, immerse alkali treatment solution, under 100 ℃ of conditions, process 120min, take out, washing, dry.Then immerse the hydrogen peroxide bleaching Treatment Solution, under 90 ℃ of conditions, process 60min, take out, washing, dry to obtain the bombax cotton after pre-treatment.
Embodiment 2
The direct dyeing of bombax cotton
Bombax cotton → the direct dyeing of pre-treatment → washing → oven dry.
The kapok bulk fibre
Alkali treatment solution, hydrogen peroxide bleaching Treatment Solution, direct dyeing liquid all be take water as solvent, its component:
(1) alkali treatment solution and the preparation of hydrogen peroxide bleaching Treatment Solution are with embodiment 1.
(2) direct dyeing liquid: direct dyes (the luxuriant and rich with fragrance Nile blue of salad), 1% (o.w.f); Penetrating agent JFC, 0.5g/L; Electrolyte sodium chloride, 20g/L; Bath raio, 1: 50.
Concrete operations:
Alkali treatment and hydrogen peroxide bleaching are processed as embodiment 1.
The direct dyes dye liquor 5～10min that vibrates under 50 ℃ of conditions, then get the bombax cotton after quantitative pre-treatment, immerses in dye liquor, dyes 90min under 50 ℃ of conditions, tests its dye-uptake, takes out, and washing, dry.
Embodiment 3
The reactive dyeing of bombax cotton
Bombax cotton → the reactive dyeing of pre-treatment → washing → oven dry.
The kapok bulk fibre
Alkali treatment solution, hydrogen peroxide bleaching Treatment Solution, reactive dyeing liquid all be take water as solvent, its component:
(1) alkali treatment solution and the preparation of hydrogen peroxide bleaching Treatment Solution are as embodiment 1.
(2) reactive dyeing liquid: REACTIVE DYES (vapour bar FN-R), 1% (o.w.f); Penetrating agent JFC, 2g/L; Electrolyte sodium chloride, 20g/L; Bath raio, 1: 50.
Concrete operations:
Alkali treatment and hydrogen peroxide bleaching are processed as embodiment 1.
The REACTIVE DYES dye liquor 5～10min that vibrates under 60 ℃ of conditions, then get the bombax cotton after quantitative pre-treatment, immerse in dye liquor, dye 30min under 60 ℃ of conditions, test its dye-uptake, add again alkaline agent sodium carbonate (10g/L), fixation 60min under 60 ℃ of conditions, and test its dye-uptake, take out, washing, dry.
Embodiment 4
The direct dyes rare earth complex mordant dying of bombax cotton
The bombax cotton of pre-treatment → direct dyes complexing mordant dying → washing → oven dry.
The kapok bulk fibre
The dyeing liquor of alkali treatment solution, hydrogen peroxide bleaching Treatment Solution, interpolation complex rare-earth mordant all be take water as solvent, its component:
(1) alkali treatment solution and the preparation of hydrogen peroxide bleaching Treatment Solution are with embodiment 1.
(2) add the direct dyeing liquid of complex rare-earth mordant: direct dyes (the luxuriant and rich with fragrance Nile blue of salad), 1% (o.w.f); Complex rare-earth mordant (citric acid-lanthanum chloride), 0.8% (o.w.f.); Penetrating agent JFC, 0.5g/L; Electrolyte sodium chloride, 20g/L; Bath raio, 1: 50.
Concrete operations:
Alkali treatment and hydrogen peroxide bleaching are processed as embodiment 1.
The direct dyeing liquid that the adds the complex rare-earth mordant 5～10min that vibrates under 50 ℃ of conditions, then get the bombax cotton after quantitative pre-treatment, immerses in dye liquor, dyes 90min under 50 ℃ of conditions, tests its dye-uptake, takes out, and washing, dry.
Embodiment 5
The REACTIVE DYES rare earth complex mordant dying of bombax cotton
The bombax cotton of pre-treatment → REACTIVE DYES complexing mordant dying → washing → oven dry.
The kapok bulk fibre
The dyeing liquor of alkali treatment solution, hydrogen peroxide bleaching Treatment Solution, interpolation complex rare-earth mordant all be take water as solvent, its component:
(1) alkali treatment solution and the preparation of hydrogen peroxide bleaching Treatment Solution are as embodiment 1.
(2) add the reactive dyeing liquid of complex rare-earth mordant: REACTIVE DYES (vapour bar FN-R), 1% (o.w.f); Complex rare-earth mordant (citric acid-lanthanum chloride), 0.8% (o.w.f.); Penetrating agent JFC, 2g/L; Electrolyte sodium chloride, 20g/l; Bath raio, 1: 50.
Concrete operations:
Alkali treatment and hydrogen peroxide bleaching are processed as embodiment 1.
The reactive dyeing liquid that the adds the complex rare-earth mordant 5～10min that vibrates under 60 ℃ of conditions, then get the bombax cotton after quantitative pre-treatment, immerse in dye liquor, dye 30min under 60 ℃ of conditions, test its dye-uptake, add again alkaline agent sodium carbonate (10g/L), fixation 60min under 60 ℃ of conditions, and test its dye-uptake, take out, washing, dry.
Different embodiment methods to the bombax cotton coloration result more as shown in Table 1 and Table 2.
Table 1 embodiment 2 compares with the coloration result of embodiment 4
Table 2 embodiment 3 compares with the coloration result of embodiment 5
Embodiment 6
The rare earth mordant dyeing method of a kind of bombax cotton and textiles thereof comprises the following steps:
(1) the kapok textiles is carried out to pre-treatment, remove wax and the impurity on bombax cotton surface, and make bombax cotton reach certain whiteness, wherein, pre-treatment comprises alkali treatment and bleaching, alkali treatment is to utilize caustic soda and other boiling-off additives and pectic substance, waxy substance, nitrogen substance, the reaction of cotton seed hulls generation chemical degradation or emulsification, Swelling Functions etc., after washing, impurity is stripped from fabric, adopt alkali treatment solution at the temperature of 95 ℃ to textile treatment 3 hours, the caustic soda that alkali treatment solution is 10g/L, 0.5g/L penetrating agent JFC and the mixed solution that forms of the sodium metasilicate of 1.5g/L.The purpose of bleaching just is to remove pigment, give fabric necessity and stable whiteness, fiber itself is not subject to significant damage, adopt clorox to carry out bleaching to the kapok textiles, the bleaching concentration of sodium hypochlorite bleaching is 0.5g/L, the pH value is 9, at 20 ℃ of room temperatures, fabric treating 30min;
(2) the kapok textiles through pre-treatment is joined in the dye bath that adds the complex rare-earth mordant, it is carried out to mordant dying gets final product, rare earth in the complex rare-earth mordant used is lanthanum chloride, using citric acid as complexing agent, react and form with rare-earth ion coordination, by earth solution, under agitation slowly join in the complexing agent part, then use distilled water diluting, wherein, the mol ratio of citric acid complexing agent and lanthanum chloride ion is 1: 3, mordant dying adopts the rare earth One Bath Dyeing, the complex rare-earth mordant is joined in salad Fei Nier dye solution, addition is 0.5% (o.w.f.), controlling temperature is 40 ℃, oscillation treatment 10min, then will be placed in dye liquor through the ceiba fiber textiles of pre-treatment, controlling temperature is 40 ℃, 90min is processed in dyeing, test its dye-uptake, take out, again through washing, dry and obtain the kapok dyeing product.
Embodiment 7
The rare earth mordant dyeing method of a kind of bombax cotton and textiles thereof comprises the following steps:
(1) the kapok textiles is carried out to pre-treatment, remove wax and the impurity on bombax cotton surface, and make bombax cotton reach certain whiteness, wherein, pre-treatment comprises alkali treatment and bleaching, alkali treatment is to utilize caustic soda and other boiling-off additives and pectic substance, waxy substance, nitrogen substance, the reaction of cotton seed hulls generation chemical degradation or emulsification, Swelling Functions etc., after washing, impurity is stripped from fabric, adopt alkali treatment solution at the temperature of 100 ℃ to textile treatment 2 hours, the caustic soda that alkali treatment solution is 12g/L, the mixed solution that the penetrating agent JFC of 1g/L and the sodium metasilicate of 2g/L form.The purpose of bleaching just is to remove pigment, give fabric necessity and stable whiteness, fiber itself is not subject to significant damage, adopt clorox to carry out bleaching to the kapok textiles, the bleaching concentration of sodium hypochlorite bleaching is 1.5g/L, the pH value is 10, at 35 ℃ of room temperatures, fabric treating 45min;
(2) the kapok textiles through pre-treatment is joined in the dye bath that adds the complex rare-earth mordant, it is carried out to mordant dying gets final product, rare earth in the complex rare-earth mordant used is cerium chloride, using citric acid as complexing agent, react and form with rare-earth ion coordination, to after earth solution, under agitation slowly join in the complexing agent part, then use distilled water diluting, wherein, the mol ratio of citric acid complexing agent and cerium chloride ion is 1: 1, mordant dying adopts the rare earth One Bath Dyeing, the complex rare-earth mordant is joined in commercially available Cibacron FN dye solution, addition is 1.5% (o.w.f.), controlling temperature is 60 ℃, oscillation treatment 8min, then will be placed in dye liquor through the ceiba fiber textiles of pre-treatment, controlling temperature is 60 ℃, 60min is processed in dyeing, test its dye-uptake, take out, again through washing, dry and obtain the kapok dyeing product.
Embodiment 8
The rare earth mordant dyeing method of a kind of bombax cotton and textiles thereof comprises the following steps:
(1) the kapok textiles is carried out to pre-treatment, remove wax and the impurity on bombax cotton surface, and make bombax cotton reach certain whiteness, wherein, pre-treatment comprises alkali treatment and bleaching, alkali treatment is to utilize caustic soda and other boiling-off additives and pectic substance, waxy substance, nitrogen substance, the reaction of cotton seed hulls generation chemical degradation or emulsification, Swelling Functions etc., after washing, impurity is stripped from fabric, adopt alkali treatment solution at the temperature of 95 ℃ to textile treatment 3 hours, the caustic soda that alkali treatment solution is 10g/L, 0.5g/L penetrating agent JFC and the mixed solution that forms of the sodium metasilicate of 1.5g/L.The purpose of bleaching just is to remove pigment, give fabric necessity and stable whiteness, fiber itself is not subject to significant damage, adopt sodium chlorite to carry out bleaching to the kapok textiles, the bleaching concentration of chlorite bleaching is 1g/L, the pH value is 4, adds acetic acid as activator, under the condition that is 40 ℃ in temperature to fabric treating 90min;
(2) the kapok textiles through pre-treatment is joined in the dye bath that adds the complex rare-earth mordant, it is carried out to mordant dying gets final product, rare earth in the complex rare-earth mordant used is cerium chloride, using citric acid as complexing agent, react and form with rare-earth ion coordination, to after earth solution, under agitation slowly join in the complexing agent part, then use distilled water diluting, wherein, the mol ratio of citric acid complexing agent and cerium chloride ion is 1: 1, mordant dying adopts the rare earth One Bath Dyeing, the complex rare-earth mordant is joined in commercially available Acid Red G dye solution, addition is 2% (o.w.f.), controlling temperature is 60 ℃, oscillation treatment 8min, then will be placed in dye liquor through the ceiba fiber textiles of pre-treatment, controlling temperature is 60 ℃, 60min is processed in dyeing, test its dye-uptake, take out, again through washing, dry and obtain the kapok dyeing product.
Embodiment 9
The rare earth mordant dyeing method of a kind of bombax cotton and textiles thereof comprises the following steps:
(1) the kapok textiles is carried out to pre-treatment, remove wax and the impurity on bombax cotton surface, and make bombax cotton reach certain whiteness, wherein, pre-treatment comprises alkali treatment and bleaching, alkali treatment is to utilize caustic soda and other boiling-off additives and pectic substance, waxy substance, nitrogen substance, the reaction of cotton seed hulls generation chemical degradation or emulsification, Swelling Functions etc., after washing, impurity is stripped from fabric, adopt alkali treatment solution at the temperature of 100 ℃ to textile treatment 2 hours, the caustic soda that alkali treatment solution is 15g/L, the mixed solution that the dispersant paregal O of 2g/L and the sodium metasilicate of 3g/L form.The purpose of bleaching just is to remove pigment, give fabric necessity and stable whiteness, fiber itself is not subject to significant damage, adopt sodium chlorite to carry out bleaching to the kapok textiles, the bleaching concentration of chlorite bleaching is 2g/L, the pH value is 4.5, adds ammonium sulfate as activator, under the condition that is 80 ℃ in temperature to fabric treating 60min;
(2) the kapok textiles through pre-treatment is joined in the dye bath that adds the complex rare-earth mordant, it is carried out to mordant dying gets final product, rare earth in the complex rare-earth mordant used is neodymium chloride, using citric acid as complexing agent, react and form with rare-earth ion coordination, to after earth solution, under agitation slowly join in the complexing agent part, then use distilled water diluting, wherein, the mol ratio of citric acid complexing agent and neodymium chloride ion is 3: 1, mordant dying adopts the rare earth One Bath Dyeing, the complex rare-earth mordant is joined in commercially available cubozols dye solution, addition is 3.5% (o.w.f.), controlling temperature is 90 ℃, oscillation treatment 5min, then will be placed in dye liquor through the ceiba fiber textiles of pre-treatment, controlling temperature is 90 ℃, 30min is processed in dyeing, test its dye-uptake, take out, again through washing, dry and obtain the kapok dyeing product.
Claims (8)
1. the rare earth mordant dyeing method of a ceiba fiber textiles, is characterized in that, the method comprises the following steps:
(1) the kapok textiles is carried out to pre-treatment, remove wax and the impurity on bombax cotton surface, and make bombax cotton reach certain whiteness;
(2) the kapok textiles through pre-treatment is joined in the dye bath that adds the complex rare-earth mordant, it is carried out to mordant dying and get final product;
Rare earth in complex rare-earth mordant described in step (2) is lanthanum chloride, cerium chloride or neodymium chloride; Complex rare-earth mordant described in step (2) is usingd citric acid as complexing agent, react and form with the rare earth chloride ion coordination, by earth solution, under agitation slowly join in the complexing agent part, then use distilled water diluting, wherein, the mol ratio of citric acid complexing agent and rare earth chloride ion is 1:3～3:1; Mordant dying described in step (2) adopts the rare earth One Bath Dyeing, the complex rare-earth mordant is joined in dye solution, controlling temperature is 40～90 ℃, oscillation treatment 5～10min, then will be placed in dye liquor through the ceiba fiber textiles of pre-treatment, and controlling temperature is 40～90 ℃, 30～90min is processed in dyeing, test its dye-uptake, take out, then through washing, dry and obtain the kapok dyeing product.
2. the rare earth mordant dyeing method of a kind of ceiba fiber textiles according to claim 1, is characterized in that, the rare earth in the complex rare-earth mordant is the lanthanum chloride earth solution, and the mol ratio of citric acid complexing agent and rare earth chloride ion is 1:1.
3. the rare earth mordant dyeing method of a kind of ceiba fiber textiles according to claim 1, is characterized in that, described kapok textiles comprises blended yarn or the BLENDED FABRIC of kapok bulk fibre, kapok yarn, kapok fabric and kapok and other fiber.
4. the rare earth mordant dyeing method of a kind of ceiba fiber textiles according to claim 1, is characterized in that, the pre-treatment described in step (1) comprises alkali treatment and bleaching.
5. the rare earth mordant dyeing method of a kind of ceiba fiber textiles according to claim 4, it is characterized in that, described alkali treatment be utilize alkali treatment solution at the temperature of 95～100 ℃ to textile treatment 2～3 hours, the mixed solution that the sodium metasilicate of the caustic soda that described alkali treatment solution is 10～15g/L, the surfactant of 0.5～2g/L and 1.5～3g/L forms, described surfactant comprises penetrating agent JFC or dispersant paregal O.
6. the rare earth mordant dyeing method of a kind of ceiba fiber textiles according to claim 4, is characterized in that, described bleaching adopts clorox, hydrogen peroxide or sodium chlorite to carry out bleaching to the kapok textiles; The bleaching concentration of hydrogen peroxide bleaching is 2～6g/L, and the pH value is 10～10.5, need add sodium metasilicate or non-silicone oxidation bleach stabilizer 1～2g/L, under the condition that is 90～100 ℃ in temperature to fabric treating 45～60min; The bleaching concentration of sodium hypochlorite bleaching is 0.5～1.5g/L, and the pH value is 9～10, at 20～35 ℃ of room temperatures, fabric treating 30～45min; The bleaching concentration of chlorite bleaching is 1～2g/L, and the pH value is 4～4.5, adds acetic acid or ammonium sulfate as activator, under the condition that is 40～80 ℃ in temperature to fabric treating 60～90min.
7. the rare earth mordant dyeing method of a kind of ceiba fiber textiles according to claim 1, is characterized in that, described dyestuff is the anionic dyestuff, comprises direct dyes, REACTIVE DYES, ACID DYES or soluble vat dye; Described direct dyes comprise commercially available salad Fei Nier dyestuff, described REACTIVE DYES comprises commercially available Cibacron FN, described ACID DYES comprises commercially available Acid Red G or Weakly Acid Brilliant Blue RAW, and described soluble vat dye comprises commercially available cubozols dyestuff.
8. the rare earth mordant dyeing method of a kind of ceiba fiber textiles according to claim 1, is characterized in that, the complex rare-earth mordant consumption described in step (2) is 0.5～3.5% (o.w.f.).
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| CN103046307B (en) * | 2013-01-15 | 2015-01-28 | 上海工程技术大学 | Method for improving water-absorbing quality of kawo kawo fibers by plasma treatment |
| CN103696283A (en) * | 2013-12-09 | 2014-04-02 | 常熟市爱博尔服饰有限公司 | Dyeing process of acid dye |
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| CN106192462A (en) * | 2016-07-20 | 2016-12-07 | 珠海无用文化创意有限公司 | Kapok pollen is applied to the method on Nature Fibre Textile product as vegetable colour |
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| CN107827107B (en) * | 2017-12-18 | 2020-05-22 | 中国科学院山西煤炭化学研究所 | Preparation method of kapok-based hollow porous carbon micro-tube or porous carbon micro-strip |
| CN112962334A (en) * | 2019-12-13 | 2021-06-15 | 苏州麻朵纺织科技有限公司 | Natural dyeing auxiliary for dyeing sorghum husk pigment plants and dyeing method |
| CN113775855B (en) * | 2021-08-06 | 2022-11-18 | 华南理工大学 | Kapok fiber vacuum insulation panel core material and preparation method and application thereof |
| CN114517419B (en) * | 2022-03-10 | 2023-10-20 | 德州恒丰纺织有限公司 | Kapok fiber pure spinning method adopting plant turmeric for dyeing |
| CN115477786A (en) * | 2022-10-18 | 2022-12-16 | 纤达峰(上海)新材料科技有限公司 | Full-recycling and recycling method of fabric containing polyester fibers |
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