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CN113652788A - Preparation method of fluorine-free waterproof tent fabric - Google Patents

Preparation method of fluorine-free waterproof tent fabric Download PDF

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Publication number
CN113652788A
CN113652788A CN202111054386.0A CN202111054386A CN113652788A CN 113652788 A CN113652788 A CN 113652788A CN 202111054386 A CN202111054386 A CN 202111054386A CN 113652788 A CN113652788 A CN 113652788A
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China
Prior art keywords
agent
fluorine
water
desizing
waterproof
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Granted
Application number
CN202111054386.0A
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CN113652788B (en
Inventor
许秋生
国靖
张战旗
齐元章
仲伟浩
徐晓坤
王辉
杨玲玲
李娜
王桂艳
苏红升
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Lufeng Weaving and Dyeing Co Ltd
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Lufeng Weaving and Dyeing Co Ltd
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Priority to CN202111054386.0A priority Critical patent/CN113652788B/en
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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
    • D03D15/40—Woven 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
    • D03D15/47—Woven 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
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D13/00—Woven fabrics characterised by the special disposition of the warp or weft threads, e.g. with curved weft threads, with discontinuous warp threads, with diagonal warp or weft
    • D03D13/008—Woven fabrics characterised by the special disposition of the warp or weft threads, e.g. with curved weft threads, with discontinuous warp threads, with diagonal warp or weft characterised by weave density or surface weight
    • 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
    • D03D15/20—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads
    • D03D15/208—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads cellulose-based
    • D03D15/217—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads cellulose-based natural from plants, e.g. cotton
    • 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
    • D03D15/20—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads
    • D03D15/283—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads synthetic polymer-based, e.g. polyamide or polyester fibres
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
    • D06B15/00—Removing liquids, gases or vapours from textile materials in association with treatment of the materials by liquids, gases or vapours
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
    • D06B17/00—Storing of textile materials in association with the treatment of the materials by liquids, gases or vapours
    • D06B17/02—Storing of textile materials in association with the treatment of the materials by liquids, gases or vapours in superimposed, i.e. stack-packed, form; J-boxes
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    • D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
    • D06B19/00—Treatment of textile materials by liquids, gases or vapours, not provided for in groups D06B1/00 - D06B17/00
    • D06B19/0005—Fixing of chemicals, e.g. dyestuffs, on textile materials
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    • D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
    • D06B3/00—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating
    • D06B3/10—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating of fabrics
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    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06C—FINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS
    • D06C17/00—Fulling
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    • D06C—FINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS
    • D06C3/00—Stretching, tentering or spreading textile fabrics; Producing elasticity in textile fabrics
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    • D06C—FINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS
    • D06C7/00—Heating or cooling textile fabrics
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    • D06L—DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS
    • D06L1/00—Dry-cleaning or washing fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods
    • D06L1/12—Dry-cleaning or washing fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods using aqueous solvents
    • D06L1/14—De-sizing
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    • D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
    • D06M13/322—Treating 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 nitrogen
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    • D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
    • D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D06M15/564—Polyureas, polyurethanes or other polymers having ureide or urethane links; Precondensation products forming them
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    • 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
    • D06P1/22—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 vat dyestuffs including indigo
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    • 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
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    • 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
    • D06P3/8223—Textiles which contain different kinds of fibres fibres of different chemical nature mixtures of fibres containing hydroxyl and ester groups
    • D06P3/8228—Textiles which contain different kinds of fibres fibres of different chemical nature mixtures of fibres containing hydroxyl and ester groups using one kind of dye
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    • D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
    • D06M2101/02—Natural fibres, other than mineral fibres
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    • D06M2101/16—Synthetic fibres, other than mineral fibres
    • D06M2101/30—Synthetic polymers consisting of macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
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    • D06M2200/00—Functionality of the treatment composition and/or properties imparted to the textile material
    • D06M2200/10—Repellency against liquids
    • D06M2200/12—Hydrophobic properties
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    • 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]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
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    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
    • Y02P70/62—Manufacturing or production processes characterised by the final manufactured product related technologies for production or treatment of textile or flexible materials or products thereof, including footwear

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Abstract

The invention relates to the technical field of textile printing and dyeing, in particular to a preparation method of a fluorine-free waterproof tent fabric. The preparation method of the fluorine-free waterproof tent fabric comprises the following fabric finishing process flow: washing → cold batch → desizing → dry sizing → rolling dry dyeing → reduction continuous dyeing and fixation → stentering waterproof → preshrinking; the fabric is woven by adopting blended yarns which take polyester staple fibers and cotton fibers as raw materials, and the blended yarns adopt vortex spun yarns; in the tentering waterproof process, a fluorine-free waterproof finishing agent is used, and the fluorine-free waterproof finishing agent comprises the following components: a hydrophobic agent A, a hydrophobic agent B, a crosslinking accelerator and water; the hydrophobic agent A and the hydrophobic agent B are two different alkyl urethane copolymers; the crosslinking accelerator is quaternary ammonium salt derivative. The preparation method is simple and convenient to operate, and excellent waterproof and anti-seepage performance can be realized without film coating.

Description

Preparation method of fluorine-free waterproof tent fabric
Technical Field
The invention relates to the technical field of textile printing and dyeing, in particular to a preparation method of a fluorine-free waterproof tent fabric.
Background
The tent cloth fabrics in the market are roughly divided into two types, one type is chemical fiber fabrics formed by direct melt-blown molding, and the chemical fiber fabrics have excellent waterproof and anti-seepage performance, but have lower strength, wear resistance and poor durability; the other type adopts different materials to weave the fabric and then uses a film coating method to realize the anti-seepage performance, the process is complex, a large amount of volatile adhesives are used between the film and the fabric, the safety is low, the air permeability is poor, and the current comfortable, environment-friendly, safe and healthy living idea is not met.
For example, patent CN201910667102.1 discloses an antibacterial composite fabric, wherein an antibacterial TPU film layer is disposed on the surface of a fabric layer to realize a waterproof function, and an adhesive layer is disposed between the fabric layer and the antibacterial TPU film layer, and the adhesive layer includes 1-10 wt% of flame-retardant epoxy resin and 90-99 wt% of hot melt adhesive. The prepared composite fabric has waterproof performance, but the safety of the used adhesive is low and the air permeability is poor.
Patent CN202110451467.8 discloses a manufacturing process of a light and thin chemical fiber woven laminated fabric, which comprises the following steps: s1, performing water repellent treatment on the chemical fiber woven fabric shaped by clear water; s2, performing cold pressing treatment on the chemical fiber woven fabric subjected to water repellent treatment; s3, carrying out hot-pressing lamination on the chemical fiber woven fabric subjected to cold pressing treatment and a TPU film or a PU film, and then cooling, rolling and solidifying to obtain a semi-finished product of laminated fabric; and S4, laminating the semi-finished product of the laminated fabric and the base fabric through hot melt adhesive, and then curing to obtain a finished product of the laminated fabric. The woven laminated fabric has the characteristics of water resistance, moisture permeability and washing resistance by performing double treatment of water repellent treatment and film covering on the surface of the fabric. But the weaving process is relatively complicated.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the preparation method of the fluorine-free waterproof tent fabric is simple, convenient to operate and free of film coating, and can achieve excellent waterproof and anti-seepage performances.
The preparation method of the fluorine-free waterproof tent fabric comprises the following fabric finishing process flows: washing → cold batch → desizing → dry sizing → rolling dry dyeing → reduction continuous dyeing and fixation → tentering waterproof → preshrinking.
The fabric is woven by blended yarns taking polyester staple fibers and cotton fibers as raw materials, and the blended yarns are vortex spun yarns.
Preferably, the percentage of the polyester staple fibers in the blended yarn is 65%, and the percentage of the cotton fibers in the blended yarn is 45%.
In order to achieve the optimal anti-seepage effect, the optimal density and texture of the fabric need to be adjusted. Preferably, the specification of the finished fabric product is as follows: T/C20T/C20 110 65 58/59, tissue: 1/1, the density can be adjusted according to the specific requirement, the warp density is more than or equal to 110/in, and the weft density is more than or equal to 65/in.
In the water washing procedure, the speed is 40-50m/min, the overflow water is 3000-: 3-5g/L desizing enzyme, 5-10g/L penetrant, 1-3g/L refining agent and the balance of water.
Wherein, desizing enzyme, penetrant and refining agent can be selected from any products sold on the market.
Preferably, the desizing enzyme is selected from OPT-280 of Federal science-specific chemical Co.
The penetrant was selected from ZFC of keka chemical (shanghai) ltd.
The refining agent is CRC of Craine chemical Co.
In the cold reactor procedure, the stacking time is 18-24h, the stacking temperature is 34 +/-2 ℃, the vehicle speed is 50-70m/mim, and the cold reactor liquid comprises the following components: 40-60mL/L of caustic soda, 15-30mL/L of hydrogen peroxide, 3-5mL/L of chelating agent, 4-8mL/L of cold batch refining agent and the balance of water.
Any commercially available chelating agent or refining agent can be selected.
Preferably, the chelating agent is selected from SQ-N of Ruuri Fine Chemicals.
The cold batch refining agent is selected from Hostapal UH of Clarian chemical Co.
In the desizing and boiling procedure, desizing and stacking are carried out for 20-40min, and the desizing liquid comprises the following components: 2-5g/L of desizing refining enzyme, 5-8g/L of desizing penetrating agent, 2-4g/L of desizing extracting agent and the balance of water. The cooking liquor comprises the following components: 2-6g/L of refining agent, 4-8g/L of penetrating agent, 25-50g/L of caustic soda and the balance of water; the temperature of the steam box is 100 +/-2 ℃, the time of passing through the steam box is 20-40 minutes, and the speed of the steam box is 35-50 m/min.
Wherein, desizing refining enzyme, desizing penetrant, desizing extractant, refining agent and penetrant can be selected from any products sold in the market.
Preferably, the desizing and refining enzyme is selected from DS-HT of Ruri Fine chemical industry.
The desizing penetrant is ZFC from KEKAI chemical industry (Shanghai) Co.
The desizing extractant is selected from RED of BASF China Co.
The refining agent is CRC of Craine chemical Co.
The penetrant was selected from ZFC of keka chemical (shanghai) ltd.
In the dry shaping process, the speed is 30-50m/mim, the temperature of a drying room is 185-195 ℃, the water is squeezed, and the width of the cropping cloth is 152 +/-0.5 cm.
In the rolling dry dyeing process, dye is reduced, and the vehicle speed is 30-40 m/min.
In the process of reduction continuous dyeing and fixation, the speed is 40-50m/min, the overflow water is 3000-3600L/H, the temperature of a steam box is 98 +/-2 ℃, and the temperature of a water washing tank is 95 +/-2 ℃; the color fixing solution comprises the following components: sodium sulfate powder 200-250g/L, sodium carbonate 20-30g/L, anti-staining salt 2-5g/L, caustic soda 10-12g/L, and the balance of water.
In the tentering waterproof procedure, a fluorine-free waterproof finishing agent is used, the temperature is 170-. The fluorine-free waterproof finishing agent comprises the following components: 100-120g/L of hydrophobic agent A, 20-40g/L of hydrophobic agent B, 20-40g/L of crosslinking accelerator and the balance of water.
The hydrophobing agent A and the hydrophobing agent B are two different alkyl urethane copolymers. Preferably, the hydrophobizing agent a is ECO-DRY from heisui materials ltd; the hydrophobizing agent B was ECO-CEL from Hi surgery materials Ltd, Switzerland.
The crosslinking accelerator is quaternary ammonium salt derivative, preferably PAX from Hippocastaceae materials Co., Ltd.
In the pre-shrinking process, the speed is 30-50m/min, the temperature of the rubber blanket is 80 +/-2 ℃, 130 +/-5 ℃ and the roll distance is 13 +/-1 mm.
Compared with the prior art, the invention has the following beneficial effects:
(1) the fabric is woven by using the blended yarn taking the polyester staple fibers and the cotton fibers as raw materials, and is durable and wear-resistant;
(2) the invention uses vortex spinning yarns, increases the specific surface area of the fabric, improves the waterproof effect of the fabric, adjusts the density according to specific requirements by adjusting the optimal density and tissue (T/C20T/C20 110 65 58/59, ensures that the warp density is more than or equal to 110 threads/in, the weft density is more than or equal to 65 threads/in and the tissue is 1/1), can realize the optimal anti-seepage effect, and can achieve the anti-static water pressure of more than 3400Pa after waterproof treatment;
(3) the fluorine-free waterproof finishing agent adopts alkyl urethane copolymer as a waterproof component, and quaternary ammonium salt derivatives as a crosslinking accelerator, so that the grade of waterproof AATCC22 of the fabric before washing can reach 100 minutes, and the grade of waterproof AATCC22 of the fabric after 10 times of washing can reach 95 minutes, and the fabric has excellent washing resistance;
(4) the fabric treated by the method has the same waterproof performance as the film-coated tent fabric, has no water seepage on the reverse side, and has better air permeability which can reach more than 120 mm/s;
(5) all consumables used in the method are environment-friendly and safe substances, and have no potential carcinogenicity on human bodies like perfluorooctanoic acid and derivatives thereof, and the safety coefficient is extremely high.
Detailed Description
The present invention is further described in the following examples, which should not be construed as limiting the scope of the invention, but rather as providing those skilled in the art with the benefit of the present disclosure with additional inventive concepts and features described herein. Some of the raw materials used in the examples were as follows:
a water washing procedure: the desizing enzyme is OPT-280 of Federal Kort chemical Co., Ltd, the penetrating agent is ZFC of Kekai chemical industry (Shanghai) Co., Ltd, and the refining agent is CRC of Kelaien chemical industry Co., Ltd.
A cold-batch process: the chelating agent is SQ-N of Ruri fine chemical industry, and the cold-batch refining agent is Hostapal UH of Clarian chemical industry Co.
A cooking step: the desizing refining enzyme is DS-HT of Ruri fine chemical industry, the desizing penetrant is ZFC of KeKa chemical industry (Shanghai) Co., Ltd, the desizing extractant is RED of Basf China Co., Ltd, the refining agent is CRC of Kelaien chemical industry Co., Ltd, and the penetrant is ZFC of KeKa chemical industry (Shanghai) Co., Ltd.
Example 1
A fluorine-free waterproof tent fabric, the finished product specification of the fabric is as follows: T/C20T/C20 110 65 58/59, tissue: 1/1, the fabric is woven by blended yarn (wherein the proportion of the terylene staple fibers is 65% and the proportion of the cotton fibers is 45%) which is made of terylene staple fibers and cotton fibers, and the blended yarn is vortex spun yarn.
The process flow of the fabric finishing process is as follows: washing → cold batch → desizing → dry sizing → rolling dry dyeing → reduction continuous dyeing and fixation → stentering waterproof → preshrinking; the method comprises the following specific steps:
(1) washing with water: the speed of the vehicle is 50m/min, the overflow water is 3000L/H, the steam box temperature is 98 ℃, the temperature of a first group of rinsing baths is 95 ℃, the temperature of a second group of rinsing baths is 80 ℃, the temperature of a third group of rinsing baths is 70 ℃, the temperature of a fourth group of rinsing baths is 50 ℃ to a sixth group of rinsing baths, and the rinsing baths comprise: 3g/L desizing enzyme, 5g/L penetrant, 1g/L refining agent and the balance of water.
(2) Cold stacking: the stacking time is 24h, the stacking temperature is 34 ℃, the vehicle speed is 70m/mim, and the composition of cold stacking liquid is as follows: 56mL/L of caustic soda, 30mL/L of hydrogen peroxide, 3mL/L of chelating agent, 6mL/L of cold batch refining agent and the balance of water.
(3) And (3) stewing: desizing and stacking for 25min, wherein the desizing liquid comprises the following components: 2.5g/L desizing refining enzyme, 5g/L desizing penetrating agent, 4g/L desizing extracting agent and the balance of water; the cooking liquor comprises the following components: 6g/L of refining agent, 8g/L of penetrating agent, 45g/L of caustic soda and the balance of water; the temperature of the steam box is 100 ℃, the time of passing through the steam box is 25 minutes, and the speed of the steam box is 45 m/min.
(4) Dry sizing: the speed is 50m/mim, the temperature of the drying room is 195 ℃, the water is squeezed, and the width of the cropping cloth is 152 cm.
(5) Rolling and drying and dyeing: reducing the dye, and controlling the vehicle speed to be 40 m/min.
(6) And (3) reduction continuous dyeing and fixation: the speed of the vehicle is 40m/min, the overflow water is 3600L/H, the temperature of the steam box is 98 ℃, and the temperature of the rinsing bath is 95 ℃; the color fixing solution comprises the following components: 220g/L of anhydrous sodium sulphate, 20g/L of soda ash, 2g/L of dye-resistant salt, 10g/L of caustic soda and the balance of water.
(7) Tentering and waterproofing: using a fluorine-free waterproof finishing agent, wherein the temperature is 170 ℃, the vehicle speed is 30m/min, and the fluorine-free waterproof finishing agent comprises the following components: 120g/L of ECO-DRY, 20g/L of ECO-CEL, 20g/L of PAX and the balance of water.
(8) Pre-shrinking: the speed is 35m/mim, the temperature of the blanket is 80 ℃, 130 +/-5 ℃ and the roll gap is 13 mm.
Example 2
A fluorine-free waterproof tent fabric, the finished product specification of the fabric is as follows: T/C20T/C20 112 68 58/59, tissue: 1/1, the fabric is woven by blended yarn (wherein the proportion of the terylene staple fibers is 65% and the proportion of the cotton fibers is 45%) which is made of terylene staple fibers and cotton fibers, and the blended yarn is vortex spun yarn.
The process flow of the fabric finishing process is as follows: washing → cold batch → desizing → dry sizing → rolling dry dyeing → reduction continuous dyeing and fixation → stentering waterproof → preshrinking; the method comprises the following specific steps:
(1) washing with water: the speed of the vehicle is 45m/min, the overflow water is 3200L/H, the temperature of a steam box is 98 ℃, the temperature of a first group of rinsing baths is 95 ℃, the temperature of a second group of rinsing baths is 80 ℃, the temperature of a third group of rinsing baths is 70 ℃, and the temperature of a fourth group to a sixth group of rinsing baths is 50 ℃, and the rinsing baths comprise: 5g/L desizing enzyme, 8g/L penetrant, 2g/L refining agent and the balance of water.
(2) Cold stacking: the stacking time is 24h, the stacking temperature is 34 ℃, the vehicle speed is 50m/mim, and the composition of cold stacking liquid is as follows: 60mL/L of caustic soda, 30mL/L of hydrogen peroxide, 5mL/L of chelating agent, 8mL/L of cold batch refining agent and the balance of water.
(3) And (3) stewing: desizing and stacking for 30min, wherein the desizing liquid comprises the following components: 4g/L of desizing refining enzyme, 6g/L of desizing penetrant, 4g/L of desizing extractant and the balance of water; the cooking liquor comprises the following components: 6g/L of refining agent, 8g/L of penetrating agent, 45g/L of caustic soda and the balance of water; the temperature of the steam box is 100 ℃, the time of passing through the steam box is 25 minutes, and the speed of the steam box is 45 m/min.
(4) Dry sizing: the speed is 50m/mim, the temperature of the drying room is 195 ℃, the water is squeezed, and the width of the cropping cloth is 152 cm.
(5) Rolling and drying and dyeing: reducing the dye, and controlling the vehicle speed to be 40 m/min.
(6) And (3) reduction continuous dyeing and fixation: the speed of the vehicle is 40m/min, the overflow water is 3600L/H, the temperature of the steam box is 98 ℃, and the temperature of the rinsing bath is 95 ℃; the color fixing solution comprises the following components: 220g/L of anhydrous sodium sulphate, 20g/L of calcined soda, 2g/L of dye-resistant salt and 10g/L of caustic soda.
(7) Tentering and waterproofing: using a fluorine-free waterproof finishing agent, wherein the temperature is 170 ℃, the vehicle speed is 30m/min, and the fluorine-free waterproof finishing agent comprises the following components: 110g/L ECO-DRY, 30g/L ECO-CEL, 20g/L PAX and the balance of water.
(8) Pre-shrinking: the speed is 35m/mim, the temperature of the blanket is 80 ℃, 130 +/-5 ℃ and the roll gap is 13 mm.
Example 3
A fluorine-free waterproof tent fabric, the finished product specification of the fabric is as follows: T/C20T/C20 116 70 58/59, tissue: 1/1, the fabric is woven by blended yarn (wherein the proportion of the terylene staple fibers is 65% and the proportion of the cotton fibers is 45%) which is made of terylene staple fibers and cotton fibers, and the blended yarn is vortex spun yarn.
The process flow of the fabric finishing process is as follows: washing → cold batch → desizing → dry sizing → rolling dry dyeing → reduction continuous dyeing and fixation → stentering waterproof → preshrinking; the method comprises the following specific steps:
(1) washing with water: the speed of the vehicle is 40m/min, the overflow water is 3600L/H, the temperature of the steam box is 98 ℃, the temperature of a first group of rinsing baths is 95 ℃, the temperature of a second group of rinsing baths is 80 ℃, the temperature of a third group of rinsing baths is 70 ℃, the temperature of a fourth group of rinsing baths is 50 ℃, and the composition of rinsing baths is as follows: 5g/L desizing enzyme, 10g/L penetrant, 3g/L refining agent and the balance of water.
(2) Cold stacking: the stacking time is 24h, the stacking temperature is 34 ℃, the vehicle speed is 50m/mim, and the composition of cold stacking liquid is as follows: 60mL/L of caustic soda, 30mL/L of hydrogen peroxide, 3mL/L of chelating agent, 8mL/L of refining agent and the balance of water.
(3) And (3) stewing: desizing and stacking for 40min, wherein the desizing liquid comprises the following components: 5g/L of desizing refining enzyme, 8g/L of desizing penetrating agent, 4g/L of desizing extracting agent and the balance of water. The cooking liquor comprises the following components: 6g/L of refining agent, 8g/L of penetrating agent, 40g/L of caustic soda and the balance of water; the temperature of the steam box is 100 ℃, the time of passing through the steam box is 30 minutes, and the speed of the steam box is 40 m/min.
(4) Dry sizing: in the dry shaping process, the speed is 30m/mim, the temperature of a drying room is 185-DEG C, the water is squeezed, and the width of the cropping cloth is 152 cm.
(5) Rolling and drying and dyeing: reducing the dye, and the vehicle speed is 30 m/min.
(6) And (3) reduction continuous dyeing and fixation: the speed of the vehicle is 40m/min, the overflow water is 3600L/H, the temperature of the steam box is 98 ℃, and the temperature of the rinsing bath is 95 ℃; the color fixing solution comprises the following components: 250g/L of anhydrous sodium sulphate, 25g/L of soda ash, 3g/L of dye-resistant salt, 10g/L of caustic soda and the balance of water.
(7) Tentering and waterproofing: the fluorine-free waterproof finishing agent is used, the temperature is 180 ℃, and the vehicle speed is 30 m/min. The fluorine-free waterproof finishing agent comprises the following components: 100g/L of hydrophobic agent A, 40g/L of hydrophobic agent B, 20g/L of crosslinking accelerator and the balance of water.
(8) Pre-shrinking: the vehicle speed is 30m/mim, the temperature of the rubber blanket is 80 ℃, the temperature of the rubber blanket is 130 ℃, and the roll gap is 13 mm.
Comparative example 1
The fluorine-free waterproof tent fabric prepared in the comparative example has the same gram weight and the same material as the fabric of the example 1, and the specification of the finished fabric is as follows: T/C18T/C21 105 70 57/58, tissue: 3/1S, the fabric is woven by blended yarn (wherein the proportion of the terylene staple fibers is 65% and the proportion of the cotton fibers is 45%) which is prepared from the terylene staple fibers and the cotton fibers, and the blended yarn is combed ring spinning yarn.
The fabric finishing process flow is different from the example 1 only in that: in the tenter waterproof step, a hydrocarbon fluorine-free waterproof agent (this waterproof agent is SA-9 in the Qingdao Ono chemical industry), SA-9: 150 g/L.
Comparative example 2
The fluorine-free waterproof tent fabric prepared in the comparative example has the same gram weight and the same material as those of the fabric prepared in the embodiment 1, and the weaving yarns are also the same, which is different from the finished fabric in specification: T/C18T/C21 105 70 57/58, the structure is: 3/1S.
The process flow of the fabric finishing process is completely the same as that of the example 1.
Comparative example 3
The fluorine-free waterproof tent fabric prepared in the comparative example has the same gram weight and the same material as those of the fabric in the example 1, and the finished fabric has the same specification and the same structure, and is different in that the fabric is woven by using blended yarns which are prepared from the raw materials of the polyester staple fibers and the cotton fibers (wherein the proportion of the polyester staple fibers is 65% and the proportion of the cotton fibers is 45%), and the blended yarns are combed ring spun yarns.
The process flow of the fabric finishing process is completely the same as that of the example 1.
Comparative example 4
The fluorine-free waterproof tent fabric prepared by the comparative example has the same gram weight and the same material as the fabric prepared by the example 1, and the finished fabric has the same specification, tissue and weaving yarn.
The fabric finishing process flow is different from the example 1 only in that: in the tenter waterproof step, a hydrocarbon fluorine-free waterproof agent (this waterproof agent is SA-9 in the Qingdao Ono chemical industry), SA-9: 150 g/L.
The waterproof tent fabric of examples 1 to 3 and comparative examples 1 to 4 was subjected to the performance test, and the test results are shown in table 1.
Table 1 results of performance testing
Figure BDA0003254070260000061

Claims (10)

1. A preparation method of fluorine-free waterproof tent cloth fabric is characterized by comprising the following steps: the process flow of the fabric finishing process is as follows: washing → cold batch → desizing → dry sizing → rolling dry dyeing → reduction continuous dyeing and fixation → stentering waterproof → preshrinking;
the fabric is woven by adopting blended yarns which take polyester staple fibers and cotton fibers as raw materials, and the blended yarns adopt vortex spun yarns;
in the tentering waterproof process, a fluorine-free waterproof finishing agent is used, and the fluorine-free waterproof finishing agent comprises the following components: 100-120g/L of a hydrophobic agent A, 20-40g/L of a hydrophobic agent B, 20-40g/L of a crosslinking accelerator and the balance of water;
the hydrophobic agent A and the hydrophobic agent B are two different alkyl urethane copolymers; the crosslinking accelerator is quaternary ammonium salt derivative.
2. The method for preparing fluorine-free waterproof tent fabric according to claim 1, wherein the method comprises the following steps: fabric organization: 1/1, the warp density is more than or equal to 110 threads/in, and the weft density is more than or equal to 65 threads/in.
3. The method for preparing fluorine-free waterproof tent fabric according to claim 1, wherein the method comprises the following steps: in the water washing procedure, the speed is 40-50m/min, the overflow water is 3000-: 3-5g/L desizing enzyme, 5-10g/L penetrant, 1-3g/L refining agent and the balance of water.
4. The method for preparing fluorine-free waterproof tent fabric according to claim 1, wherein the method comprises the following steps: in the cold-batch process, the stacking time is 18-24h, the stacking temperature is 34 +/-2 ℃, and the vehicle speed is 50-70 m/mim; the cold reactor liquid comprises the following components: 40-60mL/L of caustic soda, 15-30mL/L of hydrogen peroxide, 3-5mL/L of chelating agent, 4-8mL/L of cold batch refining agent and the balance of water.
5. The method for preparing fluorine-free waterproof tent fabric according to claim 1, wherein the method comprises the following steps: in the desizing and boiling procedure, desizing and stacking are carried out for 20-40min, and the desizing liquid comprises the following components: 2-5g/L of desizing refining enzyme, 5-8g/L of desizing penetrating agent, 2-4g/L of desizing extracting agent and the balance of water. The cooking liquor comprises the following components: 2-6g/L of refining agent, 4-8g/L of penetrating agent, 25-50g/L of caustic soda and the balance of water; the temperature of the steam box is 100 +/-2 ℃, the time of passing through the steam box is 20-40 minutes, and the speed of the steam box is 35-50 m/min.
6. The method for preparing fluorine-free waterproof tent fabric according to claim 1, wherein the method comprises the following steps: in the dry shaping process, the speed is 30-50m/mim, the temperature of a drying room is 185-195 ℃, the water is squeezed, and the width of the cropping cloth is 152 +/-0.5 cm.
7. The method for preparing fluorine-free waterproof tent fabric according to claim 1, wherein the method comprises the following steps: in the rolling dry dyeing process, dye is reduced, and the vehicle speed is 30-40 m/min.
8. The method for preparing fluorine-free waterproof tent fabric according to claim 1, wherein the method comprises the following steps: in the process of reduction continuous dyeing and fixation, the speed is 40-50m/min, the overflow water is 3000-3600L/H, the temperature of a steam box is 98 +/-2 ℃, and the temperature of a water washing tank is 95 +/-2 ℃; the color fixing solution comprises the following components: sodium sulfate powder 200-250g/L, sodium carbonate 20-30g/L, anti-staining salt 2-5g/L, caustic soda 10-12g/L, and the balance of water.
9. The method for preparing fluorine-free waterproof tent fabric according to claim 1, wherein the method comprises the following steps: in the tentering waterproof process, the temperature is 170-180 ℃, and the speed is 30-35 m/min.
10. The method for preparing fluorine-free waterproof tent fabric according to claim 1, wherein the method comprises the following steps: in the pre-shrinking process, the speed is 30-50m/min, the temperature of the rubber blanket is 80 +/-2 ℃, 130 +/-5 ℃ and the roll distance is 13 +/-1 mm.
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