CN109056158A - The production method and method for sorting of color-woven fabric - Google Patents

The production method and method for sorting of color-woven fabric Download PDF

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Publication number
CN109056158A
CN109056158A CN201811317409.0A CN201811317409A CN109056158A CN 109056158 A CN109056158 A CN 109056158A CN 201811317409 A CN201811317409 A CN 201811317409A CN 109056158 A CN109056158 A CN 109056158A
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Prior art keywords
yarn
sizing
content
dyed fabric
water
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不公告发明人
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Changsha Is As Small As Mdt Infotech Ltd
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Changsha Is As Small As Mdt Infotech Ltd
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Priority to CN201811317409.0A priority Critical patent/CN109056158A/en
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    • DTEXTILES; PAPER
    • D03WEAVING
    • D03DWOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D15/00Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
    • D03D15/40Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the structure of the yarns or threads
    • D03D15/47Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the structure of the yarns or threads multicomponent, e.g. blended yarns or threads
    • DTEXTILES; PAPER
    • D03WEAVING
    • D03DWOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D15/00Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
    • D03D15/50Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the properties of the yarns or threads
    • D03D15/54Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the properties of the yarns or threads coloured
    • 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
    • D06B3/10Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating of fabrics
    • D06B3/18Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating of fabrics combined with squeezing, e.g. in padding machines
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06CFINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS
    • D06C7/00Heating or cooling textile fabrics
    • D06C7/02Setting
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06CFINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS
    • D06C9/00Singeing
    • D06C9/02Singeing by flame
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06LDRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS
    • D06L1/00Dry-cleaning or washing fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods
    • 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
    • D06M11/00Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
    • D06M11/32Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond
    • D06M11/36Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond with oxides, hydroxides or mixed oxides; with salts derived from anions with an amphoteric element-oxygen bond
    • D06M11/46Oxides or hydroxides of elements of Groups 4 or 14 of the Periodic Table; Titanates; Zirconates; Stannates; Plumbates
    • 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
    • D06M13/00Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
    • D06M13/10Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing oxygen
    • D06M13/144Alcohols; Metal alcoholates
    • D06M13/148Polyalcohols, e.g. glycerol or glucose
    • 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
    • D06M15/00Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
    • D06M15/01Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with natural macromolecular compounds or derivatives thereof
    • D06M15/03Polysaccharides or derivatives thereof
    • D06M15/05Cellulose or derivatives thereof
    • D06M15/09Cellulose ethers
    • 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
    • D06M15/00Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
    • D06M15/01Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with natural macromolecular compounds or derivatives thereof
    • D06M15/03Polysaccharides or derivatives thereof
    • D06M15/11Starch or derivatives thereof
    • 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
    • D06M15/00Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
    • D06M15/19Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
    • D06M15/21Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D06M15/285Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of unsaturated carboxylic acid amides or imides
    • 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
    • D06P5/00Other features in dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form
    • D06P5/02After-treatment
    • D06P5/04After-treatment with organic compounds
    • D06P5/08After-treatment with organic compounds macromolecular
    • 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
    • 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
    • D06M2200/00Functionality of the treatment composition and/or properties imparted to the textile material
    • D06M2200/40Reduced friction resistance, lubricant properties; Sizing compositions
    • DTEXTILES; PAPER
    • D10INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10BINDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2201/00Cellulose-based fibres, e.g. vegetable fibres
    • D10B2201/01Natural vegetable fibres
    • D10B2201/02Cotton
    • DTEXTILES; PAPER
    • D10INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10BINDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2201/00Cellulose-based fibres, e.g. vegetable fibres
    • D10B2201/01Natural vegetable fibres
    • D10B2201/10Bamboo

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Emergency Medicine (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Woven Fabrics (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)

Abstract

The present invention provides a kind of production method of color-woven fabric and method for sorting, wherein the following steps are included: the 1) preparation of yarn: bamboo fibre and cotton fiber is blended, warp thread is made;By bamboo fibre and flax fiber blending, weft yarn is made;2) it bleachinges and dyeing and sizing: after warp thread and weft yarn are bleachinged and dyeing respectively, being placed in slurry and carry out sizing;3) it weaves: by the warp thread and weft weaving after sizing, color-woven fabric is made;Wherein, the slurry is mixed to prepare by water, polyacrylamide, carboxymethyl cellulose, glycerol, converted starch and nano-titanium dioxide.It realizes environmental protection and intensity is good, fixing property is good, and there is certain antibacterial deodourizing effect.

Description

Production method and finishing method of yarn-dyed fabric
Technical Field
The invention relates to the field of yarn-dyed fabric processing, in particular to a production method and a finishing method of yarn-dyed fabric.
Background
The yarn-dyed fabric is a textile fabric made by weaving yarns or filaments after dyeing. Because it is woven after dyeing, it dyes more uniformly than conventional dyed cloth. With the continuous development of science and technology, materials of yarn-dyed fabrics are becoming more and more extensive, and for example, fabrics, hemp materials, polyester fibers and the like are widely used in yarn-dyed fabrics. The bamboo fiber is prepared by using moso bamboo as a main raw material and refining the moso bamboo after hydrolysis and extraction for many times, has good antibacterial and deodorant effects and the like, and can effectively play roles in health care, sterilization and the like when in use.
However, although the bamboo fiber has a good antibacterial health care effect, the wet strength is reduced by half compared with the dry strength, and as is known, the yarn-dyed fabric inevitably meets water when in use and may be soaked in water for a long time, so that the mechanical strength of the yarn-dyed fabric is difficult to use for a long time, the color fixing effect of the yarn-dyed fabric is also poor, and the phenomena of fading, decoloration and the like are caused. Meanwhile, PVA is often adopted for feeding in the preparation process of the existing yarn-dyed fabric, and the PVA material is insoluble in water, so that the slurry is easy to adhere in the feeding process, but the PVA material is not easy to biodegrade, thereby causing great influence on the environment.
Disclosure of Invention
The invention aims to provide a production method and a finishing method of yarn-dyed fabric, which aim to solve the problems that the mechanical properties such as strength and the like of bamboo fibers are poor after meeting water during use, the color fixing effect is also easy to be poor, and the like, and the problems that the conventional sizing agent is easy to adhere, but has poor environment-friendly degree, causes great environmental pollution and the like.
In order to achieve the purpose, the invention provides a production method of yarn-dyed fabric, which comprises the following steps:
1) preparing yarns: blending bamboo fiber and cotton fiber to obtain warp; blending bamboo fibers and fibrilia to prepare weft yarns;
2) bleaching, dyeing and sizing: respectively bleaching and dyeing warp yarns and weft yarns, and then placing the warp yarns and the weft yarns into sizing agent for sizing;
3) weaving: weaving the sized warp yarns and weft yarns to obtain yarn-dyed fabric; wherein,
the slurry is prepared by mixing water, polyacrylamide, carboxymethyl cellulose, glycerol, modified starch and nano titanium dioxide.
Preferably, in the step 1), the dosage ratio of the bamboo fibers to the cotton fibers in the warp yarns is 1:0.8-1.5, and the dosage ratio of the bamboo fibers to the hemp fibers in the weft yarns is 1: 0.5-0.7.
Preferably, in the step 2), the temperature of the sizing process is 75-90 ℃;
the sizing process is operated in a double-dipping and double-pressing mode, and the sizing process is sequentially rolled by a first pressing roller and a second pressing roller, the pressure of the first pressing roller is 3-6kN, and the pressure of the second pressing roller is 15-23 kN.
Preferably, based on the total weight of the slurry, the content of water is 70-80 wt%, the content of polyacrylamide is 10-20 wt%, the content of carboxymethyl cellulose is 5-10 wt%, the content of glycerol is 3-7 wt%, the content of modified starch is 1-5 wt%, and the content of nano titanium dioxide is 0.5-2 wt%.
Also provides a finishing method of the yarn-dyed fabric, wherein the finishing method comprises the following steps: singeing, desizing, fixing and heat setting the yarn-dyed fabric; and,
the singeing process is to pass through flame at a speed of 90-150 m/min;
the desizing process is to soak and desize in desizing material;
the color fixing process is to soak in a color fixing solution for color fixing;
the heat setting process is drying at 195-200 deg.c for 30-60 sec;
the color fixing solution is prepared by mixing water, triethylene tetramine and epichlorohydrin.
Preferably, the preparation method of the fixing solution comprises the following steps:
1) mixing water and triethylene tetramine to prepare a mixed solution X1;
2) under the condition that the temperature is 55-60 ℃, dropwise adding epoxy chloropropane into the mixed solution X1, stirring and mixing for 30-60min, and adding acid liquor to adjust the pH value to 7-8 to obtain the color fixing solution.
Preferably, in the color fixing solution, the amount of water is 15-18 parts by volume and the amount of triethylene tetramine is 2-3 parts by volume relative to 1 part by volume of epichlorohydrin.
Preferably, the desizing slurry contains water and amylase.
The invention has the following beneficial effects: the invention adds bamboo fiber to blend on the basis of conventional cotton fiber and hemp fiber, and adds a large amount of bamboo fiber to make the yarn have antibacterial and deodorant functions and stronger ultraviolet resistance, and simultaneously, in the sizing process, the problems of environmental pollution and the like caused by larger environmental influence due to poorer biochemical property of the conventional PVA sizing agent are avoided by using water, polyacrylamide, carboxymethyl cellulose, glycerol, modified starch and nano titanium dioxide, and simultaneously, the sizing agent used in the invention has better film forming property and stronger hygroscopicity due to the polyacrylamide, and can make the yarn feel soft after sizing after being placed for a longer time, and the carboxymethyl cellulose is smooth and soft after film forming and has higher strength, and effectively improves the hand feel of the yarn after sizing and the mechanical strength of a sizing film adhered on the yarn when being matched with the polyacrylamide with better film forming property and higher rigidity, thereby better fixing the color of the bleached and dyed dye and avoiding the influence on the color fixing effect of the dyed yarn material due to too high or too low hardness of the size film. Meanwhile, by adding the nano titanium dioxide, active groups in the nano titanium dioxide particles can be combined with hydrophilic groups in the modified starch, and the active groups can be combined with hydroxyl groups in the fibers, so that the combination of the starch and the fibers is effectively enhanced, the nano titanium dioxide particles are introduced on the basis, the viscosity of the nano titanium dioxide particles is stable, the affinity of the nano titanium dioxide particles is further improved, less slurry falling in the sizing process is realized, the strength of the yarn is further improved, and the regenerated hairiness is effectively reduced. Meanwhile, singeing the woven yarn-dyed fabric, desizing the woven yarn-dyed fabric in desizing slurry, further placing the fabric in a color fixing solution, performing cycloaddition on triethylene tetramine and epoxy chloropropane in the presence of water, further reacting, and then performing dehydrochlorination condensation to form a net-shaped macromolecular material, wherein the reaction is shown in the following reaction formula, so that a macromolecular film can be effectively formed on the surface of the dye, the reaction of the dye and residual chlorine in water is blocked, the dye is effectively protected, and the decoloration of the dye is avoided; and free amido can further react with residual chlorine in water, thereby better protecting the dye and improving the color fixation degree of the dye. Meanwhile, the amorphous areas in the molecular structure of the bamboo fiber are more than those in cotton fiber and hemp fiber, so that the bamboo fiber has loose structure, low polymerization degree, crystallinity and orientation degree, more gaps and internal surface area, and more exposed hydroxyl groups than the cotton fiber or the hemp fiber, so that the bamboo fiber has higher chemical activity, can effectively combine with dye when being mixed with the cotton fiber or the hemp fiber for use, and greatly reduces the decoloration and discoloration phenomena.
In addition to the objects, features and advantages described above, other objects, features and advantages of the present invention are also provided. The present invention will be described in further detail below.
Detailed Description
The following is a detailed description of embodiments of the invention, but the invention can be implemented in many different ways, as defined and covered by the claims.
The invention provides a production method of yarn-dyed fabric, which comprises the following steps:
1) preparing yarns: blending bamboo fiber and cotton fiber to obtain warp; blending bamboo fibers and fibrilia to prepare weft yarns;
2) bleaching, dyeing and sizing: respectively bleaching and dyeing warp yarns and weft yarns, and then placing the warp yarns and the weft yarns into sizing agent for sizing;
3) weaving: weaving the sized warp yarns and weft yarns to obtain yarn-dyed fabric; wherein,
the slurry is prepared by mixing water, polyacrylamide, carboxymethyl cellulose, glycerol, modified starch and nano titanium dioxide.
The invention adds bamboo fiber to blend on the basis of conventional cotton fiber and hemp fiber, and adds a large amount of bamboo fiber to make the yarn have antibacterial and deodorant functions and stronger ultraviolet resistance, and simultaneously, in the sizing process, the problems of environmental pollution and the like caused by larger environmental influence due to poorer biochemical property of the conventional PVA sizing agent are avoided by using water, polyacrylamide, carboxymethyl cellulose, glycerol, modified starch and nano titanium dioxide, and simultaneously, the sizing agent used in the invention has better film forming property and stronger hygroscopicity due to the polyacrylamide, and can make the yarn feel soft after sizing after being placed for a longer time, and the carboxymethyl cellulose is smooth and soft after film forming and has higher strength, and effectively improves the hand feel of the yarn after sizing and the mechanical strength of a sizing film adhered on the yarn when being matched with the polyacrylamide with better film forming property and higher rigidity, thereby better fixing the color of the bleached and dyed dye and avoiding the influence on the color fixing effect of the dyed yarn material due to too high or too low hardness of the size film. Meanwhile, by adding the nano titanium dioxide, active groups in the nano titanium dioxide particles can be combined with hydrophilic groups in the modified starch, and the active groups can be combined with hydroxyl groups in the fibers, so that the combination of the starch and the fibers is effectively enhanced, the nano titanium dioxide particles are introduced on the basis, the viscosity of the nano titanium dioxide particles is stable, the affinity of the nano titanium dioxide particles is further improved, less slurry falling in the sizing process is realized, the strength of the yarn is further improved, and the regenerated hairiness is effectively reduced. Meanwhile, the amorphous areas in the molecular structure of the bamboo fiber are more than those in cotton fiber and hemp fiber, so that the bamboo fiber has loose structure, low polymerization degree, crystallinity and orientation degree, more gaps and internal surface area, and more exposed hydroxyl groups than the cotton fiber or the hemp fiber, so that the bamboo fiber has higher chemical activity, can effectively combine with dye when being mixed with the cotton fiber or the hemp fiber for use, and greatly reduces the decoloration and discoloration phenomena.
The amount of the bamboo fiber, the cotton fiber and the hemp fiber can be selected in a wide range, for example, in a preferred embodiment, in order to effectively increase the content of the bamboo fiber and further achieve the effects of antibiosis and health care, and the bamboo fiber is easy to absorb moisture and expand in water, so that the diameter of the warp yarn or the weft yarn is increased, and in order to avoid the problems of strength reduction due to uneven weaving caused by the increased diameter, uneven dyeing due to the difficult penetration of a dye and the like, in the step 1), the amount ratio of the bamboo fiber to the cotton fiber in the warp yarn is 1:0.8-1.5, and the amount ratio of the bamboo fiber to the hemp fiber in the weft yarn is 1: 0.5-0.7.
In a more preferred embodiment, in order to better improve the soaking effect in the sizing process, the temperature in the sizing process in step 2) is 75-90 ℃. Furthermore, the sizing process adopts a double-dipping and double-pressing mode for operation, and the sizing process sequentially passes through the rolling of a first pressing roller and a second pressing roller, the pressure of the first pressing roller is 3-6kN, and the pressure of the second pressing roller is 15-23 kN.
The amount of the raw materials in the size can be selected within a wide range, for example, in a preferred embodiment, in order to avoid the problems that the size film is hard and easy to fall off due to too high viscosity and the yarn still does not have good strength due to the difficult adhesion of the size film with too low viscosity, the content of water is 70-80 wt%, the content of polyacrylamide is 10-20 wt%, the content of carboxymethyl cellulose is 5-10 wt%, the content of glycerol is 3-7 wt%, the content of modified starch is 1-5 wt% and the content of nano titanium dioxide is 0.5-2 wt% based on the total weight of the size.
Also provides a finishing method of the yarn-dyed fabric, wherein the finishing method comprises the following steps: singeing, desizing, fixing and heat setting the yarn-dyed fabric; and,
the singeing process is to pass through flame at a speed of 90-150 m/min;
the desizing process is to soak and desize in desizing material;
the color fixing process is to soak in a color fixing solution for color fixing;
the heat setting process is drying at 195-200 deg.c for 30-60 sec;
the color fixing solution is prepared by mixing water, triethylene tetramine and epichlorohydrin.
According to the invention, the woven yarn-dyed fabric is singed, then placed in desizing slurry for desizing, further placed in a color fixing solution, subjected to cycloaddition under the condition of water existence by triethylene tetramine and epoxy chloropropane, then subjected to dehydrochlorination condensation after further reaction to form a net-shaped macromolecular material, and the reaction is shown as the following reaction formula, so that a macromolecular film can be effectively formed on the surface of the dye, the reaction of the dye and residual chlorine in water is blocked, the dye is effectively protected, and the decoloration of the dye is avoided; and free amido can further react with residual chlorine in water, thereby better protecting the dye and improving the color fixation degree of the dye.
In a further preferred embodiment, in order to enable the raw materials in the fixing solution to better perform polycondensation reaction so as to further improve the yield of the prepared reticular macromolecular material, the preparation method of the fixing solution comprises the following steps:
1) mixing water and triethylene tetramine to prepare a mixed solution X1;
2) under the condition that the temperature is 55-60 ℃, dropwise adding epoxy chloropropane into the mixed solution X1, stirring and mixing for 30-60min, and adding acid liquor to adjust the pH value to 7-8 to obtain the color fixing solution.
In a more preferred embodiment, the amount of water used in the fixing solution is 15 to 18 parts by volume and the amount of triethylene tetramine used in the fixing solution is 2 to 3 parts by volume, relative to 1 part by volume of epichlorohydrin.
In order to make the desizing slurry effectively desizing under the premise of environmental protection, in a preferred embodiment, the desizing slurry contains water and amylase.
The following is a further description by way of specific examples. Wherein the desizing slurry is prepared by mixing water and amylase according to the weight ratio of 100: 1. The color fixing solution is prepared by mixing 18 parts by volume of water and 2 parts by volume of triethylene tetramine to prepare a mixed solution X1; under the condition that the temperature is 60 ℃, 1 volume part of epichlorohydrin is dripped into the mixed liquid X1, the mixture is stirred and mixed for 30min, and acid liquor is added to adjust the pH value to 7.2 +/-0.2, thus obtaining the product.
Preparation example 1
Blending 1 part by weight of bamboo fiber and 1 part by weight of cotton fiber to prepare warp; blending 1 weight part of bamboo fiber and 0.6 weight part of hemp fiber to prepare weft yarn; respectively bleaching and dyeing warp yarns and weft yarns, putting the warp yarns and the weft yarns into sizing agent, rolling the warp yarns and the weft yarns once by 5kN at the temperature of 80 ℃, and then rolling the warp yarns and the weft yarns twice by 20 kN; and weaving the warp yarns and the weft yarns after sizing to obtain yarn-dyed fabric A1. (wherein, the content of water in the slurry is 75 wt%, the content of polyacrylamide is 15 wt%, the content of carboxymethyl cellulose is 5 wt%, the content of glycerin is 3 wt%, the content of modified starch is 1 wt%, and the content of nano titanium dioxide is 1 wt%)
Preparation example 2
Prepared as shown in preparation example 1 except that the cotton fiber was used in an amount of 1.5 parts by weight and the hemp fiber was used in an amount of 0.7 parts by weight, to obtain a colored woven fabric a 2.
Preparation example 3
Prepared as shown in preparation example 1 except that the slurry contained 80 wt% of water, 10 wt% of polyacrylamide, 5 wt% of carboxymethyl cellulose, 3 wt% of glycerin, 1.5 wt% of modified starch and 0.5 wt% of nano titanium dioxide, to obtain a yarn-dyed fabric a 3.
Preparation example 4
Yarn-dyed fabric A4 was produced as shown in production example 1 except that the primary rolling condition was 2kN and the secondary rolling condition was 10 kN.
Preparation example 5
Prepared as shown in preparation example 2, except that the slurry contained 60% by weight of water, 20% by weight of polyacrylamide, 15% by weight of carboxymethyl cellulose, 3% by weight of glycerin, 1% by weight of modified starch and 1% by weight of nano titanium dioxide, to obtain a yarn-dyed fabric a 5.
Preparation example 6
Prepared as shown in preparation example 3, except that the amount of the cotton fiber in the warp was 0.5 parts by weight and the amount of the hemp fiber in the weft was 0.3 parts by weight, to obtain a yarn-dyed fabric a 6.
Preparation example 7
Prepared as shown in preparation example 3, except that the amount of the cotton fiber in the warp was 2 parts by weight and the amount of the hemp fiber in the weft was 1 part by weight, to obtain a yarn-dyed fabric a 7.
Example 1
And (3) enabling the yarn-dyed fabric A1 to pass through flame at the speed of 120m/min, then placing the yarn-dyed fabric A1 in desizing slurry for soaking and desizing, then placing the yarn-dyed fabric A1 in a color fixing solution for soaking and color fixing, and then drying the yarn-dyed fabric A for 50s at the temperature of 200 ℃ to obtain the processed yarn-dyed fabric B1.
Example 2
And (3) enabling the yarn-dyed fabric A2 to pass through flame at the speed of 150m/min, then placing the yarn-dyed fabric A2 in desizing slurry for soaking and desizing, then placing the yarn-dyed fabric A2 in a color fixing solution for soaking and color fixing, and then drying the yarn-dyed fabric A for 30s at the temperature of 200 ℃ to obtain the processed yarn-dyed fabric B2.
Example 3
Prepared as shown in example 1, except that the fixing solution is prepared by directly stirring and mixing water, triethylene tetramine and epichlorohydrin for 60min at the temperature of 60 ℃ to prepare the processed yarn-dyed fabric B3.
Comparative example 1
Prepared as shown in preparation example 1 except that polyacrylamide and modified starch were not added to the slurry to obtain a colored woven fabric C1.
Comparative example 2
Prepared as shown in preparation example 2, except that no carboxymethyl cellulose and nano titanium dioxide were added, to obtain a colored woven fabric C2.
Comparative example 3
Prepared as shown in preparation example 3, except that the warp yarn was prepared using pure cotton fiber, to obtain a yarn-dyed fabric C3.
Comparative example 4
Prepared as shown in preparation example 3, except that the weft yarns were prepared using pure cotton fibers, to obtain a colored woven fabric C4.
Comparative example 5
Prepared as shown in example 1 except that the treated colored woven fabric D1 was obtained without singeing.
Comparative example 6
Prepared as shown in example 2, except that the fixing solution was prepared by mixing water and triethylene tetramine, and a treated yarn-dyed fabric D2 was prepared.
Comparative example 7
Prepared as shown in example 2, except that the fixing solution was prepared by mixing water and epichlorohydrin, and processed yarn-dyed fabric D3 was prepared.
Test data
The warp yarns and the weft yarns prepared in the preparation examples 1-5, the comparative examples 1 and the comparative examples 2 are respectively detected for strength by a single yarn strength tester, and the hairiness number of the warp yarns is detected by a yarn hairiness tester, wherein the detection results of the warp yarns are shown in the following table 1, and the detection results of the weft yarns are shown in the following table 2.
The washing fastness and rubbing fastness of the preparations 1 to 5, 1 and 3 and 1 to 5 were measured according to HG/T4268, respectively, and the results are shown in the following tables 3 and 4. (wherein, the bleaching dye in Table 3 is a commercially available reactive red dye X-6BN, and the dye in Table 4 is a commercially available reactive blue dye KN-R)
TABLE 1
TABLE 2
Numbering Strength (cN) Feather number (number/10 m)
A1 125.3 3.1
A2 127.6 2.8
A3 119.6 3.5
A4 113.5 5.6
A5 108.7 6.9
A6 118.5 3.7
A7 103.5 7.2
C1 98.9 13.2
C2 105.3 11.5
C3 120.5 3.4
C4 86.1 13.6
TABLE 3
TABLE 4
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (8)

1. The production method of the yarn-dyed fabric is characterized by comprising the following steps:
1) preparing yarns: blending bamboo fiber and cotton fiber to obtain warp; blending bamboo fibers and fibrilia to prepare weft yarns;
2) bleaching, dyeing and sizing: respectively bleaching and dyeing warp yarns and weft yarns, and then placing the warp yarns and the weft yarns into sizing agent for sizing;
3) weaving: weaving the sized warp yarns and weft yarns to obtain yarn-dyed fabric; wherein,
the slurry is prepared by mixing water, polyacrylamide, carboxymethyl cellulose, glycerol, modified starch and nano titanium dioxide.
2. The production method according to claim 1, wherein in the step 1), the dosage ratio of the bamboo fibers to the cotton fibers in the warp yarns is 1:0.8-1.5, and the dosage ratio of the bamboo fibers to the hemp fibers in the weft yarns is 1: 0.5-0.7.
3. The production method according to claim 1 or 2, characterized in that, in the step 2), the temperature of the sizing process is 75-90 ℃;
the sizing process is operated in a double-dipping and double-pressing mode, and the sizing process is sequentially rolled by a first pressing roller and a second pressing roller, the pressure of the first pressing roller is 3-6kN, and the pressure of the second pressing roller is 15-23 kN.
4. The production method according to claim 1 or 2, characterized in that the content of water is 70 to 80 wt.%, the content of polyacrylamide is 10 to 20 wt.%, the content of carboxymethyl cellulose is 5 to 10 wt.%, the content of glycerin is 3 to 7 wt.%, the content of modified starch is 1 to 5 wt.%, and the content of nano titanium dioxide is 0.5 to 2 wt.%, based on the total weight of the slurry.
5. A finishing method of yarn-dyed fabric is characterized by comprising the following steps: singeing, desizing, fixing and heat setting the yarn-dyed fabric; and,
the singeing process is to pass through flame at a speed of 90-150 m/min;
the desizing process is to soak and desize in desizing material;
the color fixing process is to soak in a color fixing solution for color fixing;
the heat setting process is drying at 195-200 deg.c for 30-60 sec;
the color fixing solution is prepared by mixing water, triethylene tetramine and epichlorohydrin.
6. The finishing method according to claim 5, wherein the fixing solution is prepared by a method comprising:
1) mixing water and triethylene tetramine to prepare a mixed solution X1;
2) under the condition that the temperature is 55-60 ℃, dropwise adding epoxy chloropropane into the mixed solution X1, stirring and mixing for 30-60min, and adding acid liquor to adjust the pH value to 7-8 to obtain the color fixing solution.
7. A finishing process according to claim 5 or 6, characterized in that the fixing solution comprises 15-18 parts by volume of water and 2-3 parts by volume of triethylene tetramine relative to 1 part by volume of epichlorohydrin.
8. The finishing process according to claim 5 or 6, characterized in that the desizing stock contains water and amylase.
CN201811317409.0A 2018-11-07 2018-11-07 The production method and method for sorting of color-woven fabric Pending CN109056158A (en)

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