CN113652788B - Preparation method of fluorine-free waterproof tent cloth fabric - Google Patents

Preparation method of fluorine-free waterproof tent cloth fabric Download PDF

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Publication number
CN113652788B
CN113652788B CN202111054386.0A CN202111054386A CN113652788B CN 113652788 B CN113652788 B CN 113652788B CN 202111054386 A CN202111054386 A CN 202111054386A CN 113652788 B CN113652788 B CN 113652788B
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agent
temperature
water
fluorine
desizing
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CN113652788A (en
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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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    • 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
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    • 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
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    • D06B15/00—Removing liquids, gases or vapours from textile materials in association with treatment of the materials by liquids, gases or vapours
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    • 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
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    • 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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    • 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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    • D06C—FINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS
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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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    • D06C7/00—Heating or cooling textile fabrics
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    • 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
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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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    • 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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    • D06P1/673—Inorganic compounds
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    • D06M2200/10—Repellency against liquids
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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 cloth fabric. The preparation method of the fluorine-free waterproof tent cloth fabric comprises the following steps of: washing, cold piling, desizing, dry shaping, pad-dry dyeing, vat continuous dyeing fixation, tentering and waterproofing, preshrinking; the fabric is woven by adopting blended yarns with polyester staple fibers and cotton fibers as raw materials, wherein the blended yarns are vortex spun yarns; in the tentering waterproof procedure, a fluorine-free waterproof finishing agent is used, and the fluorine-free waterproof finishing agent comprises the following components: a hydrophobing agent A, a hydrophobing agent B, a crosslinking accelerator and water; the hydrophobizing agent A and the hydrophobizing agent B are two different alkyl urethane copolymers; the crosslinking accelerator is a quaternary ammonium salt derivative. The preparation method of the invention is simple and convenient to operate, and can realize excellent waterproof and seepage-proof performances without coating films.

Description

Preparation method of fluorine-free waterproof tent cloth 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 cloth fabric.
Background
The tent cloth fabric in the market is roughly divided into two types, one type is chemical fiber fabric formed by direct melt blowing, and the fabric has excellent waterproof and seepage-proofing properties, but lower strength, wear resistance and poor durability; the other type adopts different materials to weave the surface fabric and uses the coating method to realize the seepage prevention performance, the process is complex, and a large amount of volatile adhesive is used between the film and the surface fabric, so the safety is low, the air permeability is poor, and the present comfort, environmental protection, safety and health life concepts are not met.
For example, patent CN201910667102.1 discloses an antibacterial composite fabric, which realizes a waterproof function by arranging an antibacterial TPU film layer on the surface of a fabric layer, and an adhesive layer is arranged between the fabric layer and the antibacterial TPU film layer, wherein the adhesive layer comprises 1-10wt% of flame-retardant epoxy resin and 90-99wt% of hot melt adhesive. The prepared composite fabric has waterproof performance, but the used adhesive is low in safety and poor in air permeability.
Patent CN202110451467.8 discloses a manufacturing process of a light and thin chemical fiber woven laminating fabric, which comprises the following steps: s1, performing water splashing prevention treatment on chemical fiber woven fabric shaped by clear water; s2, carrying out cold pressing treatment on the chemical fiber woven fabric subjected to the water splashing prevention treatment; s3, hot-pressing and laminating the cold-pressed chemical fiber woven fabric with a TPU film or a PU film, and then cooling, rolling and solidifying to obtain a semi-finished product of the laminated fabric; and S4, bonding the semi-finished product of the bonding fabric and the base fabric through hot melt adhesive, and then curing to obtain a finished product of the bonding fabric. The surface of the fabric is subjected to water splashing prevention treatment and film coating double treatment, so that the prepared woven laminating fabric has the characteristics of water resistance, moisture permeability and washing resistance. But the weaving process is relatively complex.
Disclosure of Invention
The invention aims to solve the technical problems that: the preparation method of the waterproof breathable durable environment-friendly fluorine-free waterproof tent cloth fabric is simple, convenient to operate and capable of achieving excellent waterproof and seepage-proof performances without coating films.
The preparation method of the fluorine-free waterproof tent cloth fabric comprises the following steps of: washing, cold piling, desizing, dry shaping, pad-dry dyeing, vat continuous dyeing fixation, tentering and waterproofing, and preshrinking.
The fabric is woven by adopting blended yarns with polyester staple fibers and cotton fibers as raw materials, and the blended yarns are vortex spun yarns.
Preferably, the polyester staple fiber accounts for 65% and the cotton fiber accounts for 45% in the blended yarn.
In order to achieve the best barrier effect, the best density and organization of the fabric need to be adjusted. Preferably, the fabric finished product specification: T/C20 x 110 x 65 x 58/59, tissue: 1/1, the density can be adjusted according to specific requirements, and the warp density is more than or equal to 110 roots/in, and the weft density is more than or equal to 65 roots/in.
In the water washing process, the speed is 40-50m/min, the overflow water is 3000-3600L/H, the steam box temperature is 98+/-2 ℃, the temperature of a first group of water washing tanks is 95+/-2 ℃, the temperature of a second group of water washing tanks is 80+/-2 ℃, the temperature of a third group of water washing tanks is 70+/-2 ℃, and the temperature of water washing solutions is 50+/-2 ℃ in a fourth group to a sixth group, wherein the water washing solutions comprise: 3-5g/L of desizing enzyme, 5-10g/L of penetrating agent, 1-3g/L of refining agent and the balance of water.
Wherein, desizing enzyme, penetrating agent and refining agent can be any commercial products.
Preferably, the desizing enzyme is OPT-280 from Federal chemical Co., ltd.
The penetrant was ZFC from Kaiki chemical (Shanghai) Inc.
The refining agent is CRC of Kelaien chemical Co.
In the cold stacking process, the stacking time is 18-24 hours, the stacking temperature is 34+/-2 ℃, the vehicle speed is 50-70 m/mm, and the cold stacking 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 reactor refining agent and the balance of water.
Wherein, the chelating agent and the refining agent can be any commercially available products.
Preferably, the chelating agent is selected from the SQ-N of Lu Rui fine chemical engineering.
The cold mass refining agent was chosen from Hostapal UH, of clariant chemical company.
In the desizing and boiling process, 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 liquid 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 for the steam box to pass through is 20-40 minutes, and the speed of the steam box is 35-50m/min.
Wherein, the desizing refining enzyme, the desizing penetrating agent, the desizing extracting agent, the refining agent and the penetrating agent can be any commercially available products.
Preferably, the desizing refiner enzyme selects Lu Rui refined DS-HT.
The desizing penetrant was ZFC from Kaiki chemical (Shanghai) Inc.
The desizing extractant was RED, a company of China, basoff.
The refining agent is CRC of Kelaien chemical Co.
The penetrant was ZFC from Kaiki chemical (Shanghai) Inc.
In the dry setting process, the speed of the vehicle is 30-50 m/mm, the temperature of a drying room is 185-195 ℃, water is squeezed, and the width of cloth is 152+/-0.5 cm.
In the pad drying dyeing process, the dye is reduced, and the speed is 30-40m/min.
In the reduction continuous dyeing fixation process, 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 washing tank is 95+/-2 ℃; the color fixing liquid comprises the following components: 200-250g/L of anhydrous sodium sulphate, 20-30g/L of sodium carbonate, 2-5g/L of anti-staining salt, 10-12g/L of caustic soda and the balance of water.
In the tentering waterproof procedure, a fluorine-free waterproof finishing agent is used, the temperature is 170-180 ℃, and the speed is 30-35m/min. The fluorine-free waterproof finishing agent comprises the following components: 100-120g/L of hydrophobing agent A, 20-40g/L of hydrophobing agent B, 20-40g/L of crosslinking accelerator and the balance of water.
Hydrophobizing agent a and hydrophobizing agent B are two different alkyl urethane copolymers. Preferably, the hydrophobizing agent A is ECO-DRY of the material limited of the Cryoaceae, switzerland; the hydrophobizing agent B is ECO-CEL of the material limited company of the Yi family of Switzerland.
The crosslinking accelerator is a quaternary ammonium salt derivative, preferably PAX of the material limited company of the Swiss sea.
In the pre-shrinking process, the speed of the vehicle is 30-50m/min, the temperature of the rubber blanket is 80+/-2 ℃, 130+/-5 ℃ and the rolling 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 with the polyester staple fibers and the cotton fibers as raw materials, and is durable and wear-resistant;
(2) The vortex spinning yarn is used, the specific surface area of the fabric is increased, the waterproof effect of the fabric is improved, the optimal density and the optimal structure (T/C20 is 110, C20 is 65, 58/59) are adjusted, the density is adjusted according to specific requirements, the warp density is more than or equal to 110/in, the weft density is more than or equal to 65/in, and the structure is 1/1), the optimal seepage prevention effect can be realized, and the hydrostatic pressure resistance after the waterproof treatment can be more than 3400 Pa;
(3) The fluorine-free waterproof finishing agent adopts the alkyl urethane copolymer as a waterproof component and adopts the quaternary ammonium salt derivative as a crosslinking accelerator, so that the waterproof AATCC22 score of the fabric before washing can reach 100 minutes, and the fabric after 10 times of washing can reach 95 minutes, and has excellent washing resistance;
(4) The fabric treated by the method disclosed by the invention has the same waterproof performance as the coated tent cloth fabric, has no water seepage on the back surface, has good air permeability, and the air permeability can reach more than 120 mm/s;
(5) All consumables used in the method are environment-friendly and safe substances, such as perfluoro caprylic acid and derivatives thereof, have potential carcinogenicity to human bodies, and have extremely high safety coefficient.
Detailed Description
The invention is further described below in conjunction with specific embodiments, which should not be construed as limiting the scope of the invention, as many insubstantial modifications and adaptations of the invention to those skilled in the art may become apparent to those in light of the foregoing disclosure. Some of the raw materials used in the examples are as follows:
and (3) a water washing procedure: the desizing enzyme is OPT-280 of Federal Ke chemical industry Co., ltd, the penetrating agent is ZFC of Ke Kai chemical industry (Shanghai) Co., ltd, and the refining agent is CRC of Ke Lai En chemical industry Co., ltd.
Cold stacking procedure: the chelating agent is SQ-N of Lu Rui fine chemical engineering, and the cold reactor refining agent is Hostapal UH of Kelaien chemical engineering Co.
And (3) a cooking step: the desizing refining enzyme is DS-HT of Lu Rui fine chemical industry, the desizing penetrating agent is ZFC of KeKai chemical industry (Shanghai) limited company, the desizing extracting agent is RED of Basv China limited company, the refining agent is CRC of Kelaien chemical industry limited company, and the penetrating agent is ZFC of KeKai chemical industry (Shanghai) limited company.
Example 1
Fluorine-free waterproof tent cloth fabric, and the specification of a finished fabric product: T/C20 x 110 x 65 x 58/59, tissue: 1/1, the fabric is woven by adopting blended yarns with polyester staple fibers and cotton fibers as raw materials (wherein the polyester staple fibers account for 65 percent and the cotton fibers account for 45 percent), and the blended yarns are vortex spun yarns.
The fabric finishing process flow is as follows: washing, cold piling, desizing, dry shaping, pad-dry dyeing, vat continuous dyeing fixation, tentering and waterproofing, preshrinking; the method comprises the following specific steps:
(1) Washing: the speed of the vehicle is 50m/min, the overflow water is 3000L/H, the temperature of a steam box is 98 ℃, the temperature of a first group of washing tanks is 95 ℃, the temperature of a second group of washing tanks is 80 ℃, the temperature of a third group of washing tanks is 70 ℃, the temperature of a fourth group of washing tanks is 50 ℃ and the temperature of washing solutions is 50 ℃ from the fourth group to the sixth group of washing tanks: 3g/L of desizing enzyme, 5g/L of penetrating agent, 1g/L of refining agent and the balance of water.
(2) And (3) cold stacking: the stacking time is 24 hours, the stacking temperature is 34 ℃, the vehicle speed is 70 m/mm, and the cold stacking liquid comprises the following components: 56mL/L of caustic soda, 30mL/L of hydrogen peroxide, 3mL/L of chelating agent, 6mL/L of cold reactor refining agent and the balance of water.
(3) And (3) cooking: desizing and stacking for 25min, wherein the desizing composition is as follows: 2.5g/L of desizing refining enzyme, 5g/L of desizing penetrating agent, 4g/L of desizing extracting agent and the balance of water; the cooking liquid 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 for passing through the steam box is 25 minutes, and the speed of the vehicle is 45m/min.
(4) And (3) dry shaping: the speed of the vehicle is 50 m/mm, the temperature of a drying room is 195 ℃, water is squeezed, and the width of cloth is 152cm.
(5) Pad drying and dyeing: vat dye, speed of 40m/min.
(6) Vat continuous dyeing 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 water washing tank is 95 ℃; the color fixing liquid comprises the following components: 220g/L of anhydrous sodium sulphate, 20g/L of sodium carbonate, 2g/L of anti-staining salt, 10g/L of caustic soda and the balance of water.
(7) Tentering waterproof: the fluorine-free waterproof finishing agent is used, the temperature is 170 ℃, the speed is 30m/min, and the fluorine-free waterproof finishing agent comprises the following components: ECO-DRY 120g/L, ECO-CEL 20g/L, PAX 20g/L, and the balance of water.
(8) Preshrinking: the speed of the vehicle is 35 m/mm, the temperature of the rubber blanket is 80 ℃, 130+/-5 ℃ and the rolling distance is 13mm.
Example 2
Fluorine-free waterproof tent cloth fabric, and the specification of a finished fabric product: T/C20 112 x 68 x 58/59, tissue: 1/1, the fabric is woven by adopting blended yarns with polyester staple fibers and cotton fibers as raw materials (wherein the polyester staple fibers account for 65 percent and the cotton fibers account for 45 percent), and the blended yarns are vortex spun yarns.
The fabric finishing process flow is as follows: washing, cold piling, desizing, dry shaping, pad-dry dyeing, vat continuous dyeing fixation, tentering and waterproofing, preshrinking; the method comprises the following specific steps:
(1) Washing: 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 washing tanks is 95 ℃, the temperature of a second group of washing tanks is 80 ℃, the temperature of a third group of washing tanks is 70 ℃, the temperature of the washing tanks is 50 ℃ from the fourth group of washing tanks to the sixth group of washing tanks, and the composition of washing solutions is: 5g/L of desizing enzyme, 8g/L of penetrating agent, 2g/L of refining agent and the balance of water.
(2) And (3) cold stacking: the stacking time is 24 hours, the stacking temperature is 34 ℃, the vehicle speed is 50 m/mm, and the composition of the 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 reactor refining agent and the balance of water.
(3) And (3) cooking: desizing and stacking for 30min, wherein the desizing composition is as follows: 4g/L of desizing refining enzyme, 6g/L of desizing penetrating agent, 4g/L of desizing extracting agent and the balance of water; the cooking liquid 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 for passing through the steam box is 25 minutes, and the speed of the vehicle is 45m/min.
(4) And (3) dry shaping: the speed of the vehicle is 50 m/mm, the temperature of a drying room is 195 ℃, water is squeezed, and the width of cloth is 152cm.
(5) Pad drying and dyeing: vat dye, speed of 40m/min.
(6) Vat continuous dyeing 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 water washing tank is 95 ℃; the color fixing liquid comprises the following components: 220g/L of anhydrous sodium sulphate, 20g/L of sodium carbonate, 2g/L of anti-staining salt and 10g/L of caustic soda.
(7) Tentering waterproof: the fluorine-free waterproof finishing agent is used, the temperature is 170 ℃, the speed is 30m/min, and the fluorine-free waterproof finishing agent comprises the following components: ECO-DRY 110g/L, ECO-CEL 30g/L, PAX 20g/L, and water in balance.
(8) Preshrinking: the speed of the vehicle is 35 m/mm, the temperature of the rubber blanket is 80 ℃, 130+/-5 ℃ and the rolling distance is 13mm.
Example 3
Fluorine-free waterproof tent cloth fabric, and the specification of a finished fabric product: T/C20 x 116 x 70 x 58/59, tissue: 1/1, the fabric is woven by adopting blended yarns with polyester staple fibers and cotton fibers as raw materials (wherein the polyester staple fibers account for 65 percent and the cotton fibers account for 45 percent), and the blended yarns are vortex spun yarns.
The fabric finishing process flow is as follows: washing, cold piling, desizing, dry shaping, pad-dry dyeing, vat continuous dyeing fixation, tentering and waterproofing, preshrinking; the method comprises the following specific steps:
(1) Washing: the speed of the vehicle is 40m/min, the temperature of overflow water is 3600L/H, the temperature of a steam box is 98 ℃, the temperature of a first group of washing tanks is 95 ℃, the temperature of a second group of washing tanks is 80 ℃, the temperature of a third group of washing tanks is 70 ℃, the temperature of a fourth group of washing tanks is 50 ℃ and the temperature of washing solutions is 50 ℃ from the fourth group to the sixth group of washing tanks: 5g/L of desizing enzyme, 10g/L of penetrating agent, 3g/L of refining agent and the balance of water.
(2) And (3) cold stacking: the stacking time is 24 hours, the stacking temperature is 34 ℃, the vehicle speed is 50 m/mm, and the composition of the 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) cooking: desizing and stacking for 40min, wherein the desizing composition is as follows: 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 liquid 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 for passing through the steam box is 30 minutes, and the speed of the steam box is 40m/min.
(4) And (3) dry shaping: in the dry setting procedure, the speed of the vehicle is 30 m/mm, the temperature of a drying room is 185 ℃ to be equal to 185 ℃ in water rolling, and the width of cloth falling is 152cm.
(5) Pad drying and dyeing: vat dye, speed of 30m/min.
(6) Vat continuous dyeing 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 water washing tank is 95 ℃; the color fixing liquid comprises the following components: 250g/L of anhydrous sodium sulphate, 25g/L of sodium carbonate, 3g/L of anti-staining salt, 10g/L of caustic soda and the balance of water.
(7) Tentering waterproof: the fluorine-free waterproof finishing agent is used, the temperature is 180 ℃, and the speed is 30m/min. The fluorine-free waterproof finishing agent comprises the following components: 100g/L of hydrophobing agent A, 40g/L of hydrophobing agent B, 20g/L of crosslinking accelerator and the balance of water.
(8) Preshrinking: the speed of the vehicle is 30 m/mm, the temperature of the rubber blanket is 80 ℃, the temperature of the rubber blanket is 130 ℃, and the rolling distance is 13mm.
Comparative example 1
The fluorine-free waterproof tent cloth fabric prepared in the comparative example has the same gram weight and the same material as the fabric in the example 1, and the specification of a finished fabric: t/c18×t/c21×105×70×57/58, tissue: 3/1S, the fabric is woven by adopting blended yarns with polyester staple fibers and cotton fibers as raw materials (wherein the polyester staple fibers account for 65 percent and the cotton fibers account for 45 percent), and the blended yarns are combed ring spinning yarns.
The fabric finishing process flow differs from example 1 only in that: in the tentering waterproofing step, a hydrocarbon fluorine-free waterproofing agent (the waterproofing agent is Qingdao Euro chemical SA-9), SA-9:150g/L.
Comparative example 2
The fluorine-free waterproof tent cloth fabric prepared in the comparative example has the same gram weight and the same material as the fabric in the example 1, and the weaving yarns are the same, and the difference is that the specification of the finished fabric is as follows: t/c18×t/c21×105×70×57/58, the structure is: 3/1S.
The fabric finishing process flow is exactly the same as in example 1.
Comparative example 3
The fluorine-free waterproof tent cloth fabric prepared in the comparative example has the same gram weight and the same material as the fabric in the example 1, and the specification and the organization of the finished fabric are the same, except that the fabric is woven by adopting blended yarns with polyester staple fibers and cotton fibers as raw materials (wherein the polyester staple fibers account for 65% and the cotton fibers account for 45%), and the blended yarns are combed ring spinning yarns.
The fabric finishing process flow is exactly the same as in example 1.
Comparative example 4
The fluorine-free waterproof tent cloth fabric prepared in the comparative example has the same gram weight and the same material as the fabric in the example 1, and the specification, the organization and the weaving yarns of the finished fabric are completely the same.
The fabric finishing process flow differs from example 1 only in that: in the tentering waterproofing step, a hydrocarbon fluorine-free waterproofing agent (the waterproofing agent is Qingdao Euro chemical SA-9), SA-9:150g/L.
The waterproof tent fabrics of examples 1 to 3 and comparative examples 1 to 4 were subjected to performance test, and the test results are shown in table 1.
TABLE 1 Performance test results
Figure BDA0003254070260000061
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Claims (7)

1. A preparation method of a fluorine-free waterproof tent cloth fabric is characterized by comprising the following steps: the fabric finishing process flow is as follows: washing, cold piling, desizing, dry shaping, pad-dry dyeing, vat continuous dyeing fixation, tentering and waterproofing, preshrinking; the hydrostatic pressure resistance of the finished fabric is more than 3400 Pa;
the fabric is woven by adopting blended yarns with polyester staple fibers and cotton fibers as raw materials, wherein the blended yarns are vortex spun yarns, and yarn count T/C20;
fabric organization: 1/1, warp density is more than or equal to 110 roots/in, and weft density is more than or equal to 65 roots/in;
in the tentering waterproof procedure, a fluorine-free waterproof finishing agent is used, and the fluorine-free waterproof finishing agent comprises the following components: 100-120g/L of hydrophobing agent A, 20-40g/L of hydrophobing agent B, 20-40g/L of crosslinking accelerator and the balance of water; the hydrophobing agent A is an alkyl ethyl carbamate copolymer ECO-DRY, the hydrophobing agent B is an alkyl ethyl carbamate copolymer ECO-CEL, and the crosslinking accelerator is a quaternary ammonium salt derivative PAX;
in the dry setting procedure, the speed of the vehicle is 30-50 m/mm, the temperature of a drying room is 185-195 ℃, water is rolled, and the width of cloth is 152+/-0.5 cm;
in the tentering waterproof procedure, the temperature is 170-180 ℃ and the speed is 30-35m/min.
2. The method for preparing fluorine-free waterproof tent cloth fabric according to claim 1, wherein the method comprises the following steps: in the water washing process, the speed is 40-50m/min, the overflow water is 3000-3600L/H, the steam box temperature is 98+/-2 ℃, the temperature of a first group of water washing tanks is 95+/-2 ℃, the temperature of a second group of water washing tanks is 80+/-2 ℃, the temperature of a third group of water washing tanks is 70+/-2 ℃, and the temperature of water washing solutions is 50+/-2 ℃ in a fourth group to a sixth group, wherein the water washing solutions comprise: 3-5g/L of desizing enzyme, 5-10g/L of penetrating agent, 1-3g/L of refining agent and the balance of water.
3. The method for preparing fluorine-free waterproof tent cloth fabric according to claim 1, wherein the method comprises the following steps: in the cold stacking process, the stacking time is 18-24 hours, the stacking temperature is 34+/-2 ℃, and the vehicle speed is 50-70 m/mm; the cold heap 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 reactor refining agent and the balance of water.
4. The method for preparing fluorine-free waterproof tent cloth fabric according to claim 1, wherein the method comprises the following steps: in the desizing and boiling process, 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 liquid 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 for the steam box to pass through is 20-40 minutes, and the speed of the steam box is 35-50m/min.
5. The method for preparing fluorine-free waterproof tent cloth fabric according to claim 1, wherein the method comprises the following steps: in the pad drying dyeing process, the dye is reduced, and the speed is 30-40m/min.
6. The method for preparing fluorine-free waterproof tent cloth fabric according to claim 1, wherein the method comprises the following steps: in the reduction continuous dyeing fixation process, 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 washing tank is 95+/-2 ℃; the color fixing liquid comprises the following components: 200-250g/L of anhydrous sodium sulphate, 20-30g/L of sodium carbonate, 2-5g/L of anti-staining salt, 10-12g/L of caustic soda and the balance of water.
7. The method for preparing fluorine-free waterproof tent cloth fabric according to claim 1, wherein the method comprises the following steps: in the pre-shrinking process, the speed of the vehicle is 30-50m/min, the temperature of the rubber blanket is 80+/-2 ℃, 130+/-5 ℃ and the rolling distance is 13+/-1 mm.
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