CN110318269B - Alginate fiber cationic viscose fabric capable of being dyed without salt and alkali and production method thereof - Google Patents
Alginate fiber cationic viscose fabric capable of being dyed without salt and alkali and production method thereof Download PDFInfo
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- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
- D02G3/02—Yarns or threads characterised by the material or by the materials from which they are made
- D02G3/04—Blended or other yarns or threads containing components made from different materials
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- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
- D02G3/02—Yarns or threads characterised by the material or by the materials from which they are made
- D02G3/04—Blended or other yarns or threads containing components made from different materials
- D02G3/045—Blended or other yarns or threads containing components made from different materials all components being made from artificial or synthetic material
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- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B1/00—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
- D04B1/02—Pile fabrics or articles having similar surface features
- D04B1/04—Pile fabrics or articles having similar surface features characterised by thread material
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B21/00—Warp knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
- D04B21/02—Pile fabrics or articles having similar surface features
- D04B21/04—Pile fabrics or articles having similar surface features characterised by thread material
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P1/00—General 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
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P1/00—General 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
- D06P1/38—General 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
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P1/00—General 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
- D06P1/39—General 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 acid dyes
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P1/00—General 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
- D06P1/44—General 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
- D06P1/673—Inorganic compounds
- D06P1/67333—Salts or hydroxides
- D06P1/6735—Salts or hydroxides of alkaline or alkaline-earth metals with anions different from those provided for in D06P1/67341
- D06P1/67358—Halides or oxyhalides
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P3/00—Special processes of dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form, classified according to the material treated
- D06P3/82—Textiles which contain different kinds of fibres
- D06P3/8204—Textiles which contain different kinds of fibres fibres of different chemical nature
- D06P3/828—Textiles which contain different kinds of fibres fibres of different chemical nature mixtures of fibres containing hydroxyl groups
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- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2201/00—Cellulose-based fibres, e.g. vegetable fibres
- D10B2201/01—Natural vegetable fibres
- D10B2201/02—Cotton
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- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2201/00—Cellulose-based fibres, e.g. vegetable fibres
- D10B2201/20—Cellulose-derived artificial fibres
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- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2201/00—Cellulose-based fibres, e.g. vegetable fibres
- D10B2201/20—Cellulose-derived artificial fibres
- D10B2201/22—Cellulose-derived artificial fibres made from cellulose solutions
- D10B2201/24—Viscose
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- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2211/00—Protein-based fibres, e.g. animal fibres
- D10B2211/01—Natural animal fibres, e.g. keratin fibres
- D10B2211/02—Wool
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- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2321/00—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D10B2321/10—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polymers of unsaturated nitriles, e.g. polyacrylonitrile, polyvinylidene cyanide
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- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
- D10B2331/04—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyesters, e.g. polyethylene terephthalate [PET]
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Abstract
The invention relates to the technical field of textile printing and dyeing, in particular to a salt-free alkali-free dyed alginate fiber cationic viscose fabric and a production method thereof, wherein the fabric comprises alginate fibers, cationic viscose fibers and third component fibers; the method comprises the following steps: pretreatment, dyeing, soaping and after-finishing. According to the invention, through the design of the multi-component fabric, the alginate fiber fabric is dyed under the condition of no salt and no alkali by virtue of the salt and alkali-free dyeing characteristic of the cationic viscose, the alginate fiber fabric belongs to a flexible and changeable color processing mode, the processing time of color spinning and color weaving customized colored fibers can be effectively shortened, and the cost is saved. The alginate fiber weight loss rate of the alginate fiber cationic viscose fabric prepared by the method is less than 5 percent, and the light and medium color fastness is integrally higher than 4 grade.
Description
Technical Field
The invention relates to the technical field of textile printing and dyeing, in particular to a salt-free alkali-free dyed alginate fiber cationic viscose fabric and a production method thereof.
Background
The alginate fiber is a bio-based fiber prepared by spinning raw materials of calcium alginate extracted from marine algae plants. The alginate fiber textile has various performances of flame retardance, high moisture absorption, easy removal, bacteriostasis, radiation protection, high absorptivity, gel blocking, hemostasis, moisture retention, biocompatibility, degradability and the like, and can reduce the breeding of wound microorganisms, remove peculiar smell and accelerate wound healing. Meanwhile, the fabric waste can be biologically decomposed and return to the nature, and the environment is not polluted.
The alginate fiber is mainly applied to the fields of biomedicine and health care, and can be used as a raw material of products such as battlefield first-aid kits, medical dressings, hemostatic first-aid materials, bandages, wound filling strips, postoperative care materials, paper diapers, nursing pads, moisture absorption pads, sanitary napkins, wet tissues, facial masks and the like. The alginate fiber is difficult to be dyed and finished, and the application of the alginate fiber in the field of textile and clothing is limited. Alginate fibers are susceptible to ion exchange from fiber to solution in solutions containing inorganic or organic sodium salts, thereby gelling the fibers and even completely dissolving them in water. Inorganic or organic sodium salt and alkali are dyeing auxiliaries which are required to be added in the dyeing process of the traditional dye, so that the alginate fibers can not be dyed by the traditional dyeing process all the time. If the composite functionality of the alginate fiber can be combined with the textile application and the fashionable design, the alginate fiber can be favored and used by consumers, and further popularized according to the health and environmental protection concept, and the alginate fiber has wide application prospects in the fields of high-grade health-care clothing, children toys, medical treatment, environmental protection and the like.
At present, the dyeing of the alginate fibers is mainly realized by stock solution coloring, blending with colored fibers and colored yarn dyeing. Chinese patent CN 105970528A discloses a alginate fiber dyeing process, which adopts a cold pad-batch low-temperature dyeing process to solve the technical problem of alginate fiber fabric dyeing, and has good dyeing effect and weight loss rate lower than 10%. The patent introduces a dyeing experiment carried out on the alginate fiber fabric in detail, wherein the dye is only colored on the surface of the fabric in a salt-free and alkali-free environment, and the weight loss of the fabric in a salt-alkali environment is up to more than 38%. Chinese patent CN 108342912A discloses a method for dyeing alginate fibers by polycarboxylic acid type dyes, which realizes high dye uptake and small fiber strength loss of the alginate fibers. Chinese patent CN 103981744A discloses a salt-free dyeing method of calcium alginate fiber, which realizes the salt-free dyeing process of alginate fiber direct dye, and the strength loss rate of the dyed fiber is less than or equal to 10%. However, the above two patents only relate to dyeing of alginate fibers and do not relate to dyeing of alginate fiber blended fabrics.
The above patents improve the dyeing problem of the alginate fiber fabric, but the alginate fiber still has a high weight loss rate, and the above patent data shows that the best condition of the weight loss rate of the alginate fiber is controlled within 10%. It can be seen that the content of the alginate fibers can be inevitably reduced by dyeing the alginate fibers, and for the alginate fibers which are relatively expensive, the production cost of an enterprise is still greatly increased by the weight loss ratio of 10%, which is a great problem restricting the dyeing production of alginate fiber fabrics.
Disclosure of Invention
Aiming at the defect of high dyeing weight loss rate of alginate fibers in the prior art, the invention provides the alginate fiber cationic viscose fabric capable of being dyed without salt and alkali and a production method thereof by virtue of the salt-free and alkali-free dyeing characteristics of the cationic viscose fiber through the design of multi-component fabric, so that the alginate fiber cationic viscose fabric can be dyed without salt and alkali, the dyeing of the alginate fiber fabric under the condition of salt and alkali is realized, the alginate fiber cationic viscose fabric belongs to a flexible and changeable color processing mode, the processing time of color spinning and color weaving customized colored fibers can be effectively shortened, and the cost is saved. The alginate fiber weight loss rate of the alginate fiber cationic viscose fabric prepared by the method is less than 5 percent, and the light and medium color fastness is integrally higher than 4 grade.
In a first aspect, the invention provides a salt-free and alkali-free dyed alginate fiber cationic viscose fabric, which comprises 5-50% by mass of alginate fibers, 10-80% by mass of cationic viscose fibers and 10-80% by mass of third component fibers.
Further, the third component fiber is selected from one or more of cotton fiber, regenerated cellulose fiber, polyester fiber, acrylic fiber and wool fiber.
Further, the mass percentage of the alginate fibers in the fabric is 10% -30%, the mass percentage of the cationic viscose fibers in the fabric is 20% -50%, and the mass percentage of the third component fibers in the fabric is 20% -70%.
Furthermore, the weave structure of the fabric comprises a knitted fabric and a woven fabric.
Preferably, the woven fabric is any sizing-free woven fabric.
In a second aspect, the present invention provides a method for producing a salt-free and alkali-free dyeable alginate fiber cationic viscose fabric, comprising: pretreatment, dyeing, soaping and after-finishing.
Further, the pretreatment comprises 0-10 wt% of 27 wt% hydrogen peroxide, 0.5-3g/L of degreaser, 0.1-1g/L of calcium chloride, bath ratio of 1: 5-1: keeping the temperature at 30, 70-100 deg.C for 10-60min, heating at 1-5 deg.C/min, and washing with water.
The hydrogen peroxide plays a role of a bleaching agent, the alginate fibers and the cationic viscose fibers are white, only oil needs to be removed without oxygen bleaching, and when the third component fibers are cotton fibers, oxygen bleaching treatment is needed.
Further, the dyeing is that the dye colors the cationic viscose fiber, and does not color the alginate fiber or the third component fiber; the dye dosage is 0.01-10% (o.w.f), the leveling agent is 0-1g/L, the calcium chloride is 0.1-1g/L, the PH: 4.0-7.0, bath ratio 1: 5-1: 30, heating to 60-100 ℃, heating and cooling at the speed of 0.5-3 ℃/min, keeping the temperature for 30-90min, cooling to 40 ℃, cooling at the speed of 1-3 ℃/min, and washing with water.
Preferably, the dye comprises one or more of reactive dye, acid dye and direct dye.
Further, the soaping is any neutral soaping agent, the dosage is 0.5-5g/L, the calcium chloride is 0.1-1g/L, the bath ratio is 1: 5-1: 30, soaping at 40-80 ℃ for 10-30min, and hot washing at 40-80 ℃ for 10-30 min.
Further, the after-treatment comprises drying, tentering and setting, wherein the setting temperature is 150-.
The design idea of the invention is that,
although the alginate fiber has various performances of flame retardance, high moisture absorption, easy removal, bacteriostasis, radiation protection, high absorptivity, gel blocking, hemostasis, moisture retention, biocompatibility, degradability and the like, inorganic or organic sodium salt and alkali in the traditional dyeing process can cause the alginate fiber to be gelatinized;
the cationic viscose fiber is subjected to graft modification on the hydroxyl groups of the viscose fiber, the modified fiber has high affinity to anionic dyes, can be dyed in a salt-free and alkali-free environment, has high dye uptake, and can effectively prevent the problems of large using amount of salt and alkali and high treatment cost in the traditional dyeing and finishing dye. The fiber has good affinity to reactive dyes, acid dyes, direct dyes and anionic disperse dyes, and can be adsorbed in a large amount at normal temperature;
the strength and pilling performance of the alginate fibers and the cationic viscose fibers are poor, and the strength, pilling performance and other performances of the fabric can be improved by adding the third group of fibers. In addition, the prices of cotton fiber, regenerated cellulose fiber, polyester fiber, acrylic fiber and wool fiber are relatively low, and the addition of the third component fiber into the fabric can reduce the addition of alginate fiber, so that the production cost is reduced. The addition of colored third component fibers can also create a variety of special fabric styles.
The cationic viscose fiber in the dyed fabric can be colored, and the fabric can be dyed by any active, acidic and direct dye by adjusting the content of the cationic viscose fiber in the fabric.
The beneficial effect of the invention is that,
the invention provides a alginate fiber cation viscose fabric capable of being dyed without salt and alkali and a production method thereof,
(1) the salt-free and alkali-free dyeing production can be realized, the weight loss rate of the alginate fiber is less than 5 percent, and the light and medium color fastness is integrally higher than 4 grade;
(2) the color fixing process is omitted, the use of chemical reagents is reduced, the discharge of dyeing wastewater is reduced, and the method is ecological and environment-friendly;
(3) the single production mode of the alginate fiber fabric color spinning and yarn dyeing is changed, and a dyeing processing mode which is more flexible and changeable and saves cost is provided;
(4) the fabric has excellent antibacterial property, wherein the antibacterial property is that Escherichia coli (antibacterial rate%) > 90%, Staphylococcus aureus (antibacterial rate%) > 90%, and Candida albicans (antibacterial rate%) > 90%;
(5) adding calcium chloride to balance Na in the dyeing and finishing water+Reducing gelling loss of alginate fibers.
Drawings
In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present invention, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a reference drawing of a dyeing and finishing route of example 1;
FIG. 2 is a reference drawing of a dyeing and finishing route of example 2;
FIG. 3 is a reference drawing of a dyeing and finishing route of example 3;
fig. 4 is a reference drawing of a dyeing and finishing route of comparative example 1.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the drawings in the embodiment of the present invention, and it is obvious that the described embodiment is only a part of the embodiment of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Unless otherwise specified, the raw materials and chemicals in the examples of the present application were purchased commercially.
Example 1
As shown in fig. 1, a alginate fiber cationic viscose knitted fabric capable of being dyed without salt and alkali and a production method thereof are as follows:
blending by adopting combed Jacsell fiber/cationic viscose fiber/alginate fiber: 40/30/30 blended 30 yarns, gram weight 240g/m2The stitch used is a loop stitch.
Pretreatment: 1g/L of degreaser, 0.2g/L of calcium chloride, and heat preservation at 80 ℃ for 20min, wherein the bath ratio is 1: 10, washing with water at a heating rate of 3 ℃/min;
dyeing: acid dye formula (hensimei): acid Red G0.28% (o.w.f), acid yellow2r 1.20% (o.w.f);
adjusting pH of glacial acetic acid to 4.2 +/-0.2 by 0.7g/L, adding dye, calcium chloride by 0.2g/L, bath ratio of 1: heating to 60 ℃, keeping the temperature for 10min at a heating rate of 1 ℃/min, heating to 80 ℃, keeping the temperature at a heating rate of 0.7 ℃/min for 30min, cooling to 60 ℃, keeping the temperature at a cooling rate of 1 ℃/min, finally cooling to 40 ℃, keeping the temperature at a cooling rate of 3 ℃/min, and washing with water;
soaping: 0.5g/L of neutral soaping agent, 0.2g/L of calcium chloride, bath ratio of 1: 10, soaping at 60 ℃ for 10min, and washing with hot water at 40 ℃ for 10 min;
and (3) after finishing: drying, tentering and setting, wherein the setting temperature is 150 ℃, and the speed is 35 m/min.
Example 2
As shown in fig. 2, the difference between example 2 and example 1 is the dyeing process, specifically:
dyeing: alkali-free reactive dye formula (korea jingzren): 0.152% (o.w.f) of alkali-free active Red HT-3BN, 0.427% (o.w.f) of alkali-free active Yellow HT-MN, and 0.05% (o.w.f) of alkali-free active Blue HT-MN;
0.5g/L of leveling agent, 0.2g/L of dye, 0.2g/L of calcium chloride, 1: 10, heating to 60 ℃, heating and cooling at the speed of 0.5 ℃/min, keeping the temperature for 30min, cooling to 40 ℃, and washing with water.
Example 3
The difference between the example 3 and the example 1 lies in the dyeing process, which specifically comprises the following steps:
dyeing: direct dye formulation (desdar): direct Red Red F-3B 0.022% (o.w.f), direct Yellow K-CF 0.125% (o.w.f), direct Blue K-CFN 0.005% (o.w.f);
0.5g/L of leveling agent, 0.2g/L of dye, 0.2g/L of calcium chloride, 1: 10, heating to 60 ℃, heating and cooling at the speed of 0.7 ℃/min, keeping the temperature for 30min, cooling to 40 ℃, and washing with water.
Comparative example 1
The comparative example 1 is a conventional dyeing process of alginate fiber cationic viscose fabric, and is different from the dyeing and soaping processes of examples 1, 2 and 3, and specifically comprises the following steps:
dyeing: reactive dye formulation (japanese sumitomo): active Red3BF 150% 0.252% (o.w.f), active Yellow 3RF 150% 0.657% (o.w.f), active Blue BRF 150% 0.105% (o.w.f);
0.5g/L of leveling agent, 40g/L of anhydrous sodium sulphate and dye, bath ratio of 1: heating to 60 ℃, keeping the temperature at the rate of 1 ℃/min for 30min, adding 20g/L of sodium carbonate, adjusting the pH value to 10.5-11.5, keeping the temperature for 60min, cooling to 40 ℃, and washing with water.
Soaping: 0.5g/L of neutral soaping agent, 1: 10, soaping at 80 ℃ for 10min, and hot water washing at 40 ℃ for 10 min.
Test example
The alginate fiber cation viscose fabrics produced in examples 1-3 and comparative example 1 are subjected to color fastness to washing, water color fastness to washing, rubbing color fastness, bursting strength and alginate fiber weight loss rate tests, wherein 1-4 tests are carried out according to GB/T18401-. The results of the performance tests are shown in table 1 below.
Table 1 performance testing of alginate fiber cationic viscose fabrics examples 1-3 and comparative example 1
The actual measurement result shows that the alginate fiber cationic viscose fabric capable of being dyed without salt and alkali has the advantages of simple dyeing processing technology, no need of salt and alkali chemicals, shortened processing time, uniform color of the finished fabric, qualified color fastness and bursting strength, and the alginate fiber weight loss rate of less than 5%. In the comparative example, the swelling loss of the alginate fibers is serious due to the conventional dyeing process, the strength of the finished fabric is obviously reduced, the weight loss rate of the alginate fibers is up to 32 percent, and the bursting strength is reduced to 135N which is lower than the standard requirement. Those skilled in the art will appreciate that the details of the present application are not specifically described in the present application.
Although the present invention has been described in detail by referring to the drawings in connection with the preferred embodiments, the present invention is not limited thereto. Various equivalent modifications or substitutions can be made on the embodiments of the present invention by those skilled in the art without departing from the spirit and scope of the present invention, and these modifications or substitutions are within the scope of the present invention/any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (9)
1. The production method of the alginate fiber cationic viscose fabric capable of being dyed without salt and alkali is characterized in that the fabric comprises 5-50% of alginate fiber, 10-80% of cationic viscose fiber and 10-80% of third component fiber by mass;
the method comprises the following steps: the method comprises the following steps of pretreatment, dyeing, soaping and after-finishing, wherein the dyeing is to dye the cationic viscose fiber and not to dye the alginate fiber or the third component fiber; the dye dosage is 0.01-10%, the leveling agent is 0-1g/L, the calcium chloride is 0.1-1g/L, the pH value is as follows: 4.0-7.0, bath ratio 1: 5-1: 30, heating to 60-100 ℃, keeping the temperature at the rate of 0.5-3 ℃/min, keeping the temperature for 30-90min, cooling to 40 ℃, keeping the temperature at the rate of 1-3 ℃/min, and washing with water.
2. The method of claim 1, wherein the third component fiber is selected from one or more of cotton fiber, regenerated cellulose fiber, polyester fiber, acrylic fiber, and wool fiber.
3. The production method of claim 1, wherein the alginate fibers account for 10-30% of the fabric, the cationic viscose fibers account for 20-50% of the fabric, and the third component fibers account for 20-70% of the fabric.
4. The method of claim 1 wherein the weave structure of the fabric comprises a knitted fabric, a woven fabric.
5. The method of claim 4, wherein the woven fabric is any size-free woven fabric.
6. The production method according to claim 1, wherein the pretreatment comprises 0 to 10 wt% of 27 wt% hydrogen peroxide, 0.5 to 3g/L of degreaser, 0.1 to 1g/L of calcium chloride, and a bath ratio of 1: 5-1: keeping the temperature at 30, 70-100 deg.C for 10-60min, heating at 1-5 deg.C/min, and washing with water.
7. The method of claim 1, wherein the dye comprises one or more of a reactive dye, an acid dye, and a direct dye.
8. The production method according to claim 1, wherein the soaping is any neutral soaping agent, the dosage is 0.5-5g/L, the calcium chloride is 0.1-1g/L, the bath ratio is 1: 5-1: 30, soaping at 40-80 ℃ for 10-30min, and hot washing at 40-80 ℃ for 10-30 min.
9. The method as claimed in claim 1, wherein the post-finishing is drying, tenter setting, the setting temperature is 150 ℃ and 190 ℃, and the speed is 25-55 m/min.
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| CN201910458686.1A CN110318269B (en) | 2019-05-29 | 2019-05-29 | Alginate fiber cationic viscose fabric capable of being dyed without salt and alkali and production method thereof |
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| CN201910458686.1A CN110318269B (en) | 2019-05-29 | 2019-05-29 | Alginate fiber cationic viscose fabric capable of being dyed without salt and alkali and production method thereof |
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| CN111705374B (en) * | 2020-06-11 | 2021-07-16 | 台州恒彩纺织科技有限公司 | Modified regenerated cellulose fiber, knitted fabric processed by using same and dyeing process |
| CN113265755A (en) * | 2020-12-31 | 2021-08-17 | 青岛格诚经纬生物科技有限公司 | Alginate fiber antibacterial and anti-mite fabric and preparation process thereof |
| CN112853589A (en) * | 2020-12-31 | 2021-05-28 | 青岛格诚经纬生物科技有限公司 | Production process of alginate fiber antibacterial underwear and product thereof |
| CN113106604B (en) * | 2021-03-16 | 2022-08-26 | 上海水星家用纺织品股份有限公司 | Preparation method of alginate fiber home textile fabric and prepared fabric |
| CN115897000B (en) * | 2022-11-14 | 2024-06-25 | 青岛大学 | Alginate fiber pure yarn and preparation method thereof |
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