CN106079776B - Waterproof breathable fabric and preparation method thereof - Google Patents

Waterproof breathable fabric and preparation method thereof Download PDF

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Publication number
CN106079776B
CN106079776B CN201610618874.2A CN201610618874A CN106079776B CN 106079776 B CN106079776 B CN 106079776B CN 201610618874 A CN201610618874 A CN 201610618874A CN 106079776 B CN106079776 B CN 106079776B
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water
layer
absorbing
expansion
breathable
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CN106079776A (en
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瞿才新
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Ningbo Youyida Garment Co.,Ltd.
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Yancheng Institute of Industry Technology
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form
    • B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
    • B32B3/266—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by an apertured layer, the apertures going through the whole thickness of the layer, e.g. expanded metal, perforated layer, slit layer regular cells B32B3/12
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B32B5/08—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer the fibres or filaments of a layer being of different substances, e.g. conjugate fibres, mixture of different fibres
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • 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
    • D06M13/10—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 oxygen
    • D06M13/165—Ethers
    • D06M13/17—Polyoxyalkyleneglycol ethers
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
    • 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
    • D06M15/21—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D06M15/227—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of hydrocarbons, or reaction products thereof, e.g. afterhalogenated or sulfochlorinated
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
    • 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
    • D06M15/21—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D06M15/263—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of unsaturated carboxylic acids; Salts or esters thereof
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
    • 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
    • D06M15/21—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D06M15/285—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of unsaturated carboxylic acid amides or imides
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
    • 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
    • D06M15/53—Polyethers
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
    • 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
    • D06M15/59—Polyamides; Polyimides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/02—Synthetic macromolecular fibres
    • B32B2262/0253—Polyolefin fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/02—Synthetic macromolecular fibres
    • B32B2262/0261—Polyamide fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/724—Permeability to gases, adsorption
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/73—Hydrophobic
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2437/00—Clothing
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
    • 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
    • D06M2101/32—Polyesters

Abstract

The invention discloses a waterproof and breathable fabric and a preparation method thereof, the waterproof and breathable fabric comprises a substrate layer and a breathable layer, the breathable layer is made of a water-absorbing material and a water-absorbing expansion material, for water proofing in the prior art, the waterproof effect is generally prepared by a hydrophobic material, and the compactness of the fabric is increased to improve the waterproof effect.

Description

Waterproof breathable fabric and preparation method thereof
Technical Field
The invention relates to a waterproof breathable fabric.
Background
The traditional waterproof breathable fabric is generally characterized in that a waterproof layer is compounded on the surface of the waterproof fabric, the waterproof layer is insoluble in water and has a good water blocking effect, the good waterproof effect is determined based on the compactness and thickness of the waterproof layer, the better the waterproof effect is, the better the compactness of the fabric is, the ventilation property is only provided for a small amount of water vapor to pass through, and ventilation can hardly be achieved.
The existing outdoor tent is generally made of canvas, oxford or other waterproof composite materials, the fabric is compact and poor in air permeability, almost no wind penetrates through the tent, the air circulation is poor, and the existing outdoor tent is used in hot weather, and is sultry, moist and poor in using effect.
Disclosure of Invention
One of the purposes of the invention is to provide a waterproof and breathable fabric, which perfectly combines waterproof and breathable through the design of a breathable layer, has good ventilation effect under the condition of not needing waterproof, and can be expanded to form a waterproof protective layer on the surface of a substrate layer when meeting water after the breathable layer meets water, and the waterproof protective layer is covered on the surface of the substrate layer like a protective umbrella.
In order to achieve the purpose, the invention adopts the technical scheme that:
the invention relates to a waterproof and breathable fabric, which comprises a base layer and a breathable layer, wherein the breathable layer is made of a water-absorbing material and a water-absorbing expansion material, the waterproof layer is generally made of a hydrophobic material in the prior art, and the waterproof effect is improved by increasing the compactness of the fabric.
As a preferable scheme of the waterproof breathable fabric, the breathable layer is woven by yarns, the yarns comprise water-absorbing yarns and swelling yarns, the water-absorbing yarns comprise wire cores and water-absorbing layers, the water-absorbing layers are made of water-absorbing materials, the swelling yarns comprise wire cores and swelling layers, the swelling layers are made of water-absorbing swelling materials, the water-absorbing swelling materials are physical water-absorbing swelling materials, after water in the water-absorbing swelling materials is lost, the water-absorbing swelling materials recover the size and the shape before water absorption, the water-absorbing yarns can be used as warp yarns, the swelling yarns are used as weft yarns to be woven, and the woven breathable layer is in a quadrilateral grid shape.
As a preferable scheme of the waterproof breathable fabric, in the weaving process of the breathable layer, the water-absorbing yarns and the swelling yarns are arranged at intervals.
As a preferable scheme of the waterproof breathable fabric, the breathable layer is compounded on the substrate layer, the breathable layer comprises a water absorption layer formed by a water absorption material and an expansion layer formed by a water absorption expansion material, and the expansion layer, the water absorption layer and the substrate layer are sequentially arranged from outside to inside.
As a preferable scheme of the waterproof breathable fabric, the breathable layer comprises a support base body made of a water-absorbing material and a surface body made of a water-absorbing expansion material, the support base body is provided with a plurality of conical through holes formed therein, the end with the larger opening of the conical through holes faces the upper side, the surface body is positioned at the end with the smaller opening of the conical through holes, the surface body is provided with a plurality of through holes formed therein, and the area of the surface body is larger than that of the smaller opening of the conical through holes on the support base body.
As a preferable scheme of the waterproof breathable fabric, the water-absorbing material comprises, by weight, 40-65% of polyamide, 10-35% of polyethylene glycol, 15-30% of polyacrylamide, 2-8% of a lubricant, 5-10% of a porous inorganic substance and 0.5-5% of an anti-aging agent; the water-absorbing expansion material comprises 43-57% of polyethylene, 10-35% of polyethylene glycol, 15-30% of polyacrylic acid, 2-8% of lubricant, 5-10% of porous inorganic substance and 0.5-5% of anti-aging agent according to parts by weight, and the wire core is polyester fiber.
The invention also discloses a preparation method of the waterproof breathable fabric, and the preparation method of the water absorbing layer comprises the steps of 1) sequentially adding the polyamide, the polyethylene glycol, the polyacrylamide, the lubricant and the porous inorganic substance in parts by weight into a high-speed stirrer, stirring at a high speed for 10-20 minutes, 2) adding the anti-aging agent, stirring for 3-5 minutes, discharging to form water absorbing slurry for later use, 3) preheating the water absorbing slurry to 80-130 ℃, and wrapping the water absorbing slurry outside a wire core to form the water absorbing layer;
the preparation method of the expansion layer comprises the following steps: 1) sequentially adding the polyethylene, the polyethylene glycol, the polyacrylic acid, the lubricant and the porous inorganic substance in parts by weight into a high-speed stirrer, stirring at a high speed for 10-20 minutes, 2) adding the anti-aging agent, stirring for 3-5 minutes, discharging to form expansion slurry for later use, and 3) preheating the expansion slurry to 80-130 ℃, and wrapping the expansion slurry outside a bobbin to form expansion yarns.
Furthermore, the water absorption layer is formed by spraying water absorption slurry on the surface of the wire core through a spraying device to wrap the wire core, and the wire core and the water absorption layer wrapped outside the wire core form water absorption yarns; the expansion layer is formed by spraying expansion slurry on the surface of the wire core through a spraying device to wrap the wire core, and the wire core and the expansion layer wrapped outside the wire core form expansion yarns.
When the tent made of the fabric is used in an anhydrous environment, the tent has good air permeability, and when the tent is rained or is wet, the air permeable layer absorbs certain moisture and expands to form a protective layer, so that the waterproof effect is achieved.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments.
Example 1
A waterproof breathable fabric comprises a base layer and a breathable layer, wherein the breathable layer is made of a water absorbing material and a water absorbing expansion material.
The breathable layer is woven by the yarn and is formed, and the yarn has the yarn that absorbs water and expands two kinds of yarn, and the yarn that absorbs water includes the sinle silk and absorbs water the layer, and the layer that absorbs water is made by water-absorbing material, and the inflation yarn includes sinle silk and inflation layer, and the inflation layer is made by water-absorbing material.
The water absorption material comprises, by weight, 40% of polyamide, 25% of polyethylene glycol, 15% of polyacrylamide, 5% of a lubricant, 10% of a porous inorganic substance and 5% of an anti-aging agent; the water-absorbing expansion material comprises 43 weight parts of polyethylene, 30 weight parts of polyethylene glycol, 15 weight parts of polyacrylic acid, 2 weight parts of lubricant, 5 weight parts of porous inorganic substance and 5 weight parts of anti-aging agent, and the wire core is polyester fiber.
Preparation of water-absorbing yarn
1) Sequentially adding the polyamide, the polyethylene glycol, the polyacrylamide, the lubricant and the porous inorganic substance in parts by weight into a high-speed stirrer, stirring at a high speed for 10-20 minutes, 2) adding the anti-aging agent, stirring for 3-5 minutes, and discharging to form water-absorbing slurry for later use; the water-absorbing slurry is preheated to 130 ℃, a high-pressure spraying device is arranged in the water-absorbing slurry spraying box, the water-absorbing slurry is downwards sprayed in the spraying box, the wire cores form a water-absorbing layer on the surfaces of the wire cores through the spraying box, a plurality of wire cores simultaneously pass through the spraying box, and the wire cores are vibrated in the spraying box through vibrating equipment at two ends, so that the water-absorbing slurry on the surfaces of the wire cores is enabled to be uniform.
Preparation of expanded yarn
1) Sequentially adding the polyethylene, the polyethylene glycol, the polyacrylic acid, the lubricant and the porous inorganic substance in parts by weight into a high-speed stirrer, stirring at a high speed for 10-20 minutes, 2) adding an anti-aging agent, stirring for 3-5 minutes, discharging to form expansion slurry for later use, 3) preheating the expansion slurry to 130 ℃, loading into a high-pressure spray device, spraying the expansion slurry downwards in a spray box, forming a water absorption layer on the surface of a wire core by the wire core through the spray box, simultaneously passing a plurality of wire cores through the spray box, and vibrating the wire core in the spray box through vibration equipment at two ends, thereby promoting the expansion slurry on the surface of the wire core to be uniform.
And weaving the water-absorbing yarns and the expansion yarns by using a shuttle circular weaving machine, wherein the density of warp and weft is 32 x 32/10 cm, and the warp and the weft are woven into the breathable layer, wherein the warp and the weft are woven according to the sequence that one water-absorbing yarn is adjacent to three expansion yarns.
And finally, the breathable layer is compounded on the basal layer, and the woven breathable layer and the basal layer are respectively preheated during compounding and then are pressed vertically and synchronously through a pressing machine, so that the breathable fabric has good breathability.
Example 2
A waterproof breathable fabric comprises a base layer and a breathable layer, wherein the breathable layer is made of a water absorbing material and a water absorbing expansion material.
The breathable layer is woven by the yarn and is formed, and the yarn has the yarn that absorbs water and expands two kinds of yarn, and the yarn that absorbs water includes the sinle silk and absorbs water the layer, and the layer that absorbs water is made by water-absorbing material, and the inflation yarn includes sinle silk and inflation layer, and the inflation layer is made by water-absorbing material.
The water absorption material comprises 50% of polyamide, 15% of polyethylene glycol, 25% of polyacrylamide, 2% of lubricant, 5% of porous inorganic substance and 3% of anti-aging agent according to parts by weight; the water-absorbing expansion material comprises 55% of polyethylene, 10% of polyethylene glycol, 15% of polyacrylic acid, 5% of lubricant, 15% of porous inorganic substance and 5% of anti-aging agent according to parts by weight, and a wire core is made of polyester fiber.
Preparation of water-absorbing yarn
1) Sequentially adding the polyamide, the polyethylene glycol, the polyacrylamide, the lubricant and the porous inorganic substance in parts by weight into a high-speed stirrer, stirring at a high speed for 10-20 minutes, 2) adding the anti-aging agent, stirring for 3-5 minutes, and discharging to form water-absorbing slurry for later use; the water-absorbing slurry is preheated to 130 ℃, a high-pressure spraying device is arranged in the water-absorbing slurry spraying box, the water-absorbing slurry is downwards sprayed in the spraying box, the wire cores form a water-absorbing layer on the surfaces of the wire cores through the spraying box, a plurality of wire cores simultaneously pass through the spraying box, and the wire cores are vibrated in the spraying box through vibrating equipment at two ends, so that the water-absorbing slurry on the surfaces of the wire cores is enabled to be uniform.
Preparation of expanded yarn
1) Sequentially adding the polyethylene, the polyethylene glycol, the polyacrylic acid, the lubricant and the porous inorganic substance in parts by weight into a high-speed stirrer, stirring at a high speed for 10-20 minutes, 2) adding an anti-aging agent, stirring for 3-5 minutes, discharging to form expansion slurry for later use, 3) preheating the expansion slurry to 130 ℃, loading into a high-pressure spray device, spraying the expansion slurry downwards in a spray box, forming a water absorption layer on the surface of a wire core by the wire core through the spray box, simultaneously passing a plurality of wire cores through the spray box, and vibrating the wire core in the spray box through vibration equipment at two ends, thereby promoting the expansion slurry on the surface of the wire core to be uniform.
And weaving the water-absorbing yarns and the expansion yarns by using a shuttle circular weaving machine, wherein the density of warp and weft is 32 x 32/10 cm, and the warp and the weft are woven into the breathable layer, wherein the warp and the weft are woven according to the sequence that one water-absorbing yarn is adjacent to three expansion yarns.
And finally, the breathable layer is compounded on the basal layer, and the woven breathable layer and the basal layer are respectively preheated during compounding and then are pressed vertically and synchronously through a pressing machine, so that the breathable fabric has good breathability.
Example 3
A waterproof breathable fabric comprises a base layer and a breathable layer, wherein the breathable layer is made of a water absorbing material and a water absorbing expansion material.
The breathable layer is woven by the yarn and is formed, and the yarn has the yarn that absorbs water and expands two kinds of yarn, and the yarn that absorbs water includes the sinle silk and absorbs water the layer, and the layer that absorbs water is made by water-absorbing material, and the inflation yarn includes sinle silk and inflation layer, and the inflation layer is made by water-absorbing material.
The water absorbing material is pure cotton, and the thread core is polyester fiber.
Preparation of water-absorbing yarn
The first-class cotton is selected to be spun into filaments which are used as water-absorbing yarns.
Preparation of expanded yarn
1) Adding 43 weight parts of polyethylene, 30 weight parts of polyethylene glycol, 15 weight parts of polyacrylic acid, 2 weight parts of lubricant and 5 weight parts of porous inorganic substance into a high-speed stirrer, stirring for 10-20 minutes at a high speed, 2) adding an anti-aging agent, stirring for 3-5 minutes, discharging to form expansion slurry for later use, 3) preheating the expansion slurry to 130 ℃, loading into a high-pressure spraying device, spraying the expansion slurry downwards in a spraying box, enabling the wire cores to pass through the spraying box to form a water absorption layer on the surfaces of the wire cores, enabling a plurality of wire cores to simultaneously pass through the spraying box, and enabling the wire cores to vibrate in the spraying box through vibration equipment at two ends, so that the expansion slurry on the surfaces of the wire.
And weaving the water-absorbing yarns and the expansion yarns by using a shuttle circular weaving machine, wherein the density of warp and weft is 32 x 32/10 cm, and the warp and the weft are woven into the breathable layer, wherein the warp and the weft are woven according to the sequence that one water-absorbing yarn is adjacent to three expansion yarns.
And finally, the breathable layer is compounded on the basal layer, and the woven breathable layer and the basal layer are respectively preheated during compounding and then are pressed vertically and synchronously through a pressing machine, so that the breathable fabric has good breathability.
Example 4
A waterproof breathable fabric comprises a base layer and a breathable layer, wherein the breathable layer is made of a water absorbing material and a water absorbing expansion material.
The breathable layer is compounded on the basal layer and comprises a water absorption layer formed by a water absorption material and an expansion layer formed by a water absorption expansion material, and the expansion layer, the water absorption layer and the basal layer are sequentially arranged from outside to inside.
The water absorption material comprises, by weight, 60% of polyamide, 10% of polyethylene glycol, 15% of polyacrylamide, 8% of a lubricant, 5% of a porous inorganic substance and 2% of an anti-aging agent; the water-absorbing expansion material comprises 50% of polyethylene, 20% of polyethylene glycol, 15% of polyacrylic acid, 5% of lubricant, 9% of porous inorganic substance and 1% of anti-aging agent in parts by weight.
1) Preheating a water absorbing material by a preheating roller, spraying the preheated water absorbing material on a rapidly moving substrate layer by a screw extruder to form a water absorbing layer, 2) preheating the water absorbing expansion material by the preheating roller, spraying the preheated water absorbing expansion material on the water absorbing layer by the screw extruder to form an expansion layer, wherein the water absorbing layer and the expansion layer are sequentially completed on the same flow line, the water absorbing layer is formed firstly, then the expansion layer is formed on the water absorbing layer, and the three layers are pressed and combined quickly before the three layers are solidified.
Example 5
A waterproof breathable fabric comprises a base layer and a breathable layer, wherein the breathable layer is made of a water absorbing material and a water absorbing expansion material.
The water absorption material comprises, by weight, 45% of polyamide, 10-35% of polyethylene glycol, 15-30% of polyacrylamide, 2-8% of a lubricant, 5-10% of a porous inorganic substance and 0.5-5% of an anti-aging agent; the water-absorbing expansion material comprises 43-57% of polyethylene, 10-35% of polyethylene glycol, 15-30% of polyacrylic acid, 2-8% of lubricant, 5-10% of porous inorganic substance and 0.5-5% of anti-aging agent according to parts by weight, and the wire core is polyester fiber.
The breathable layer comprises a support base body made of a water absorbing material and a surface body made of a water absorbing expansion material, a plurality of conical through holes are formed in the support base body, the large end of each conical through hole faces the upper side, the surface body is located at the small end of each conical through hole, a plurality of through holes are formed in the surface body, and the area of the surface body is larger than the small opening of each conical through hole in the support base body.
The support matrix is formed by 1) adding the water absorbing material into a high-speed stirrer, stirring at a high speed for 10-20 minutes, 2) adding an anti-aging agent, stirring for 3-5 minutes, discharging to form water absorbing slurry, and forming the support matrix with a plurality of conical through holes in a pouring mode, wherein one end of each conical through hole with a large opening faces the upper side.
Stirring water-absorbing expansion material in a high-speed stirrer at high speed for 10-20 min to form expansion slurry, printing on the substrate layer by screen printing to form an expansion layer, wherein the expansion layer is formed by a plurality of quadrilateral blocks distributed in a lattice shape, then compounding the support base body with the substrate layer printed with the expansion layer to ensure that each conical through hole on the support base body corresponds to the lattice block on the expansion layer,
the surface body is positioned at one end with a small opening of the conical through hole, the surface body is provided with a plurality of through holes formed in the surface body, and the area of the surface body is larger than the area of the small opening of the conical through hole on the bracket base body.
Example 6
When the tent made of the fabric is used in an anhydrous environment, the tent has good air permeability, and when the tent is rained or is wet, the air permeable layer absorbs certain moisture and expands to form a protective layer, so that the waterproof effect is achieved.
Although the embodiments of the present invention have been described in the specification, these embodiments are merely provided as a hint, and should not limit the scope of the present invention. Various omissions, substitutions, and changes may be made without departing from the spirit of the invention and are intended to be within the scope of the invention.

Claims (1)

1. The waterproof breathable fabric is characterized in that: the anti-aging breathable fabric comprises a substrate layer and a breathable layer, wherein the breathable layer is made of a water absorption material and a water absorption expansion material, and the water absorption material comprises, by weight, 40-65% of polyamide, 10-35% of polyethylene glycol, 15-30% of polyacrylamide, 2-8% of a lubricant, 5-10% of a porous inorganic substance and 0.5-5% of an anti-aging agent; the water-absorbing expansion material comprises 43-57% of polyethylene, 10-30% of polyethylene glycol, 15-30% of polyacrylic acid, 2-8% of lubricant, 5-10% of porous inorganic substance and 0.5-5% of anti-aging agent according to parts by weight; the breathable layer comprises a bracket matrix made of water-absorbing materials and a surface body made of water-absorbing expansion materials; the preparation method of the waterproof breathable fabric comprises the following steps: (1) adding polyamide, polyethylene glycol, polyacrylamide, lubricant and porous inorganic matters in the water absorbing material into a high-speed stirrer, stirring at a high speed for 10-20 minutes, adding an anti-aging agent, stirring for 3-5 minutes, discharging to form water absorbing slurry, forming a bracket matrix with a plurality of conical through holes in a pouring mode, wherein one end of the conical through hole with a large opening faces the upper side; (2) stirring the water-absorbing expansion material in a high-speed stirrer at a high speed for 10-20 minutes to form expansion slurry, and printing the expansion slurry on a substrate layer in a screen printing mode to form a surface body, wherein the surface body is a plurality of quadrilateral blocks and is distributed in a lattice shape; (3) the support base body is compounded with the basal layer printed with the surface body, each conical through hole on the support base body corresponds to the quadrilateral block on the surface body, the surface body is positioned at one end with a small opening of the conical through hole, and the area of the quadrilateral block is larger than the small opening of the conical through hole on the support base body.
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CN108951160A (en) * 2017-05-20 2018-12-07 宜兴市艺蝶针织有限公司 A kind of uvioresistant stocking production technology
CN113927967A (en) * 2021-09-08 2022-01-14 晋江市天守服装织造有限公司 Waterproof and breathable washing-resistant fabric
CN115302875B (en) * 2022-07-19 2023-07-04 高梵(浙江)信息技术有限公司 Down-locked down jacket inner and outer lining fabric and preparation method thereof
CN115652635A (en) * 2022-10-29 2023-01-31 武汉纺织大学 Fabric with high waterproof, flame-retardant and camouflage functions and preparation method thereof

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CN105482226A (en) * 2015-12-31 2016-04-13 佛山佛塑科技集团股份有限公司 Breathable master batch, waterproof and breathable composite knitting cloth and corresponding manufacturing method

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CN103315428A (en) * 2013-07-08 2013-09-25 吴江龙纺纺织有限公司 Fabric for making swimsuit

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CN103129037A (en) * 2011-11-28 2013-06-05 昆山市周市镇吉盛服装厂 Waterproof and moisture permeable fabric
CN105482226A (en) * 2015-12-31 2016-04-13 佛山佛塑科技集团股份有限公司 Breathable master batch, waterproof and breathable composite knitting cloth and corresponding manufacturing method

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