CN116988317B - A waterproof and breathable membrane fabric, its manufacturing method and application - Google Patents

A waterproof and breathable membrane fabric, its manufacturing method and application

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Publication number
CN116988317B
CN116988317B CN202310928787.7A CN202310928787A CN116988317B CN 116988317 B CN116988317 B CN 116988317B CN 202310928787 A CN202310928787 A CN 202310928787A CN 116988317 B CN116988317 B CN 116988317B
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CN
China
Prior art keywords
waterproof
fabric
layer
thermoplastic polyurethane
breathable membrane
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202310928787.7A
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Chinese (zh)
Other versions
CN116988317A (en
Inventor
吴昆明
张传贵
吴巧柔
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gaofan Zhejiang Information Technology Co Ltd
Original Assignee
Gaofan Zhejiang Information Technology Co Ltd
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Priority to CN202310928787.7A priority Critical patent/CN116988317B/en
Publication of CN116988317A publication Critical patent/CN116988317A/en
Application granted granted Critical
Publication of CN116988317B publication Critical patent/CN116988317B/en
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    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
    • D06N3/12—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins
    • D06N3/14—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins with polyurethanes
    • D06N3/142—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins with polyurethanes mixture of polyurethanes with other resins in the same layer
    • D06N3/144—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins with polyurethanes mixture of polyurethanes with other resins in the same layer with polyurethane and polymerisation products, e.g. acrylics, PVC
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D31/00—Materials specially adapted for outerwear
    • A41D31/02—Layered materials
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D31/00—Materials specially adapted for outerwear
    • A41D31/04—Materials specially adapted for outerwear characterised by special function or use
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D31/00—Materials specially adapted for outerwear
    • A41D31/04—Materials specially adapted for outerwear characterised by special function or use
    • A41D31/10—Impermeable to liquids, e.g. waterproof; Liquid-repellent
    • A41D31/102—Waterproof and breathable
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D31/00—Materials specially adapted for outerwear
    • A41D31/04—Materials specially adapted for outerwear characterised by special function or use
    • A41D31/24—Resistant to mechanical stress, e.g. pierce-proof
    • A41D31/245—Resistant to mechanical stress, e.g. pierce-proof using layered materials
    • 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
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • 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
    • B32B5/026—Knitted fabric
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • 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
    • 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
    • B32B5/22—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 the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • B32B5/24—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 the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
    • B32B5/26—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 the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
    • D06N3/0002—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate
    • D06N3/0009—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate using knitted fabrics
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
    • D06N3/0002—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate
    • D06N3/0015—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate using fibres of specified chemical or physical nature, e.g. natural silk
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
    • D06N3/0056—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the compounding ingredients of the macro-molecular coating
    • D06N3/0059—Organic ingredients with special effects, e.g. oil- or water-repellent, antimicrobial, flame-resistant, magnetic, bactericidal, odour-influencing agents; perfumes
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
    • D06N3/0086—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the application technique
    • D06N3/0088—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the application technique by directly applying the resin
    • D06N3/009—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the application technique by directly applying the resin by spraying components on the web
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D2500/00—Materials for garments
    • A41D2500/10—Knitted
    • 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
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/14—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers
    • B32B37/24—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer not being coherent before laminating, e.g. made up from granular material sprinkled onto a substrate
    • B32B2037/243—Coating
    • 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
    • B32B2255/00—Coating on the layer surface
    • B32B2255/02—Coating on the layer surface on fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
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    • B32B2255/26—Polymeric coating
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B32B2262/02—Synthetic macromolecular fibres
    • B32B2262/0276—Polyester fibres
    • B32B2262/0284—Polyethylene terephthalate [PET] or polybutylene terephthalate [PBT]
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    • B32B2439/00—Containers; Receptacles
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N2209/00—Properties of the materials
    • D06N2209/10—Properties of the materials having mechanical properties
    • D06N2209/103—Resistant to mechanical forces, e.g. shock, impact, puncture, flexion, shear, compression, tear
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N2209/00—Properties of the materials
    • D06N2209/12—Permeability or impermeability properties
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    • D06N2209/123—Breathable
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
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    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
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    • D06N2209/16—Properties of the materials having other properties
    • D06N2209/1642—Hardnes
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
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    • D06N2211/00—Specially adapted uses
    • D06N2211/10—Clothing
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • 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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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Dispersion Chemistry (AREA)
  • Laminated Bodies (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)

Abstract

The invention discloses a waterproof and breathable film fabric, a manufacturing method and application thereof, belonging to the technical field of waterproof fabrics, and comprising a base cloth layer and a polyester layer, wherein a waterproof and breathable film is arranged between the base cloth layer and the polyester layer, the preparation materials of the waterproof and breathable film comprise polytetrafluoroethylene, thermoplastic polyurethane rubber, tartaric acid, polyalcohol and catalyst, the waterproof and breathable properties of the fabric are effectively improved, on one hand, the softness of the fabric layer can be increased, on the one hand, the durability of the fabric layer can be improved, the polytetrafluoroethylene, the thermoplastic polyurethane rubber, the tartaric acid and the polyol are stirred into the catalyst to prepare the waterproof breathable film, the tartaric acid increases the softness of the polytetrafluoroethylene and the thermoplastic polyurethane rubber, the polyol increases the tensile strength of the polytetrafluoroethylene and the thermoplastic polyurethane rubber, the waterproof breathable performance of the fabric is improved, the water pressure resistance and the durability are improved, and the service life of the fabric is prolonged.

Description

Waterproof breathable film fabric and manufacturing method and application thereof
Technical Field
The invention relates to the technical field of waterproof fabrics, in particular to a waterproof breathable film fabric, a manufacturing method and application thereof.
Background
The waterproof fabric is cloth which can not be penetrated by water drops and can be penetrated by water vapor molecules, is generally used for breathable waterproof laminated fabrics of outer clothing, is soft, waterproof, moisture permeable, washable and comfortable to wear;
The examined publication (bulletin) number is CN201911231864.3, which discloses a TPU microporous waterproof and moisture permeable fabric and a preparation method thereof. Compared with the common TPU film layer, the TPU microporous film layer disclosed by the invention has the advantages that the molecular structure is changed, and the film subjected to needle rolling treatment has hundreds of billions of micropores per square ruler, and the aperture ratio is more than 90%. The preparation method adopts a method that the base fabric is impregnated with the adhesive and then is formed into the composite material with the plasticized TPU mixture through the production process of the tape casting process, so that the mechanical property of the composite fabric is effectively improved, and the bad phenomena of curling, deformation and the like generated after the TPU composite fabric is stored for a long time are avoided. The prepared TPU microporous waterproof moisture-permeable fabric has good ventilation effect and mechanical property, and is suitable for manufacturing diving BC jackets, inflatable self-expanding mattresses, waterproof backpacks and the like;
However, in order to avoid the bad phenomena such as curling and deformation generated after the fabric is stored for a long time, the prepared mixture needs to be plasticized, the hardness of the plasticized mixture is increased, the fabric is possibly stiff when being used on the fabric, the fabric is not suitable for being used on some clothes which are adhered to the skin, the skin is easily rubbed, the stratum corneum on the skin is possibly damaged, and the film layer is possibly cracked when being folded and pressed for a long time, so that the waterproof effect is not realized.
In order to solve the problems, the application provides a waterproof breathable film fabric, and a manufacturing method and application thereof.
Disclosure of Invention
(One) solving the technical problems
Aiming at the defects of the prior art, the invention provides a waterproof breathable film fabric, a manufacturing method and application thereof, which solve the problems that the hardness of a plasticized mixture is increased, the fabric possibly becomes stiff when being used on the fabric, the fabric is not suitable for being used on some clothes which are tightly adhered to the skin, the skin is easy to rub, the stratum corneum on the skin is possibly damaged, and the film layer is possibly cracked when being folded and pressed for a long time, so that the waterproof effect is not realized.
(II) technical scheme
The waterproof breathable film fabric comprises a base cloth layer and a polyester layer, wherein a waterproof breathable film is arranged between the base cloth layer and the polyester layer, the waterproof breathable film is prepared from polytetrafluoroethylene, thermoplastic polyurethane rubber, tartaric acid, polyalcohol and a catalyst, and the mass ratio of the polytetrafluoroethylene to the thermoplastic polyurethane rubber to the tartaric acid to the polyalcohol to the catalyst is (50-70) (25-35) (4-5) (15-28) (2-4).
Preferably, the polyol is one of pentaerythritol and butanediol.
Preferably, the catalyst is sodium isopropoxide.
Preferably, an abrasion-resistant layer is arranged at the top of the hot-pressing base cloth, and the catalyst is sodium isopropoxide.
The invention also provides a manufacturing method of the waterproof breathable film fabric, which comprises the following steps:
preparing 30% -45% of long stapled cotton, 20% -35% of seven-hole cotton and 10% -20% of bamboo fibers into a base cloth layer by a knitting method, putting the base cloth layer into a cloth washer for cleaning, and drying at 120-145 ℃ for later use;
Mixing polytetrafluoroethylene, thermoplastic polyurethane rubber, tartaric acid, polyol and catalyst according to the mass ratio of (50-70): 25-35): (4-5): 15-28): 2-4 in a stirrer, setting the stirring speed to 1450-1550rpm, and stirring and reacting at the temperature of 80-110 ℃ for 60-90min to obtain a mixture;
injecting the prepared mixture into spraying equipment, spraying on the top of a base cloth layer, and adjusting a spraying machine to spray water mist with the diameter of 0.5-1.5 mu m;
Spreading the polyester layer to the top of the sprayed mixture, and then placing the mixture into a calender for calendering finishing processing to form a waterproof breathable film between the base cloth layer and the polyester layer;
the invention also provides application of the waterproof breathable film fabric in manufacturing clothes.
(III) beneficial effects
The invention provides a waterproof breathable film fabric, a manufacturing method and application thereof. The beneficial effects are as follows:
The process improves the existing preparation method of the waterproof and breathable film fabric, on one hand, the softness of the fabric layer can be improved, on the other hand, the durability of the fabric layer can be improved, polytetrafluoroethylene, thermoplastic polyurethane rubber, tartaric acid and polyalcohol are stirred into a catalyst to prepare the waterproof and breathable film, the tartaric acid increases the softness of the polytetrafluoroethylene and the thermoplastic polyurethane rubber, the polyalcohol increases the tensile strength of the polytetrafluoroethylene and the thermoplastic polyurethane rubber, the waterproof and breathable performance of the fabric is improved, the water pressure resistance and the durability are improved, and the service life of the fabric is prolonged.
Drawings
FIG. 1 is a schematic representation of the overall fabric layering structure of the present invention.
In the figure, 1, a fabric layer, 2, a linen layer, 3, a waterproof breathable film, 4, a hot-pressing base fabric and 5, a wear-resistant layer.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1, the invention provides a technical scheme that the waterproof breathable film fabric comprises a base cloth layer 1 and a polyester layer 2, wherein a waterproof breathable film 3 is arranged between the base cloth layer 1 and the polyester layer 2, the waterproof breathable film 3 is prepared from polytetrafluoroethylene, thermoplastic polyurethane rubber, tartaric acid, polyalcohol and catalyst, and the mass ratio of polytetrafluoroethylene, thermoplastic polyurethane rubber, tartaric acid, polyalcohol and catalyst is (50-70): 25-35): 4-5): 15-28): 2-4.
The polyalcohol is one of pentaerythritol and butanediol.
The catalyst is sodium isopropoxide.
According to the invention, the waterproof breathable film 3 is sprayed between the base cloth layer 1 and the polyester layer 2, the prepared cloth is used for manufacturing clothes, the waterproof breathable film can play a role in preventing rainwater from outside and ventilating inside when being worn in a rainy day, the polytetrafluoroethylene, the thermoplastic polyurethane rubber, the tartaric acid and the polyalcohol are proportioned, the catalyst is added to prepare a mixture, and the composite cloth with the waterproof breathable film 3 is formed through a glue spraying process and a hot pressing composite process and plays a decisive role in waterproof in a rainy day.
A method of making a waterproof breathable membrane fabric comprising the steps of:
Preparing 30% -45% of long stapled cotton, 20% -35% of seven-hole cotton and 10% -20% of bamboo fibers into a base cloth layer 1 by a knitting method, putting the base cloth layer 1 into a cloth washer for cleaning, and drying at 120-145 ℃ for later use;
Mixing polytetrafluoroethylene, thermoplastic polyurethane rubber, tartaric acid, polyol and catalyst according to the mass ratio of (50-70): 25-35): (4-5): 15-28): 2-4 in a stirrer, setting the stirring speed to 1450-1550rpm, and stirring and reacting at the temperature of 80-110 ℃ for 60-90min to obtain a mixture;
injecting the prepared mixture into spraying equipment, spraying on the top of the base cloth layer 1, and adjusting the spraying machine to spray water mist with the diameter of 0.5-1.5 μm;
spreading the polyester layer 2 on top of the sprayed mixture, then placing the mixture into a calender for calendering finishing, and forming a waterproof breathable film 3 between the base cloth layer 1 and the polyester layer 2.
The invention adopts a glue spraying process to put the mixture of polytetrafluoroethylene, thermoplastic polyurethane rubber, tartaric acid and polyol into a spraying machine for spraying to form air holes, and then adopts a hot-pressing composite process to adhere the polyester layer 2 on the base cloth layer 1 to prepare the clothing which can be worn close to the skin, thereby achieving the waterproof and breathable effects when moving in rainy days.
The invention is further illustrated by the following examples. It is to be noted that the present invention is not limited to the embodiments only.
Example 1
The preparation method of the waterproof breathable film fabric in the embodiment comprises the following steps:
Preparing 34% long stapled cotton, 25% seven-hole cotton and 14% bamboo fiber into a base cloth layer 1 by a knitting method, putting the base cloth layer 1 into a cloth washer for cleaning, and drying at 130 ℃ for later use;
Mixing polytetrafluoroethylene, thermoplastic polyurethane rubber, tartaric acid, butandiol and sodium isopropoxide in a stirrer according to a mass ratio of 60:30:4.2:22:3, setting a stirring speed of 1500rpm, and stirring and reacting for 75min at a temperature of 90 ℃ to obtain a mixture;
Injecting the prepared mixture into spraying equipment, spraying on the top of a base cloth layer 1, and adjusting a spraying machine to spray water mist with the diameter of 0.8 mu m;
spreading the polyester layer 2 on top of the sprayed mixture, then placing the mixture into a calender for calendering finishing, and forming a waterproof breathable film 3 between the base cloth layer 1 and the polyester layer 2.
Example 2
The preparation method of the waterproof breathable film fabric in the embodiment comprises the following steps:
Preparing 34% long stapled cotton, 25% seven-hole cotton and 14% bamboo fiber into a base cloth layer 1 by a knitting method, putting the base cloth layer 1 into a cloth washer for cleaning, and drying at 130 ℃ for later use;
Mixing polytetrafluoroethylene, thermoplastic polyurethane rubber, tartaric acid, pentaerythritol and sodium isopropoxide in a stirrer according to a mass ratio of 60:30:4.2:22:3, setting a stirring speed of 1500rpm, and stirring and reacting for 75min at a temperature of 90 ℃ to obtain a mixture;
Injecting the prepared mixture into spraying equipment, spraying on the top of a base cloth layer 1, and adjusting a spraying machine to spray water mist with the diameter of 0.8 mu m;
spreading the polyester layer 2 on top of the sprayed mixture, then placing the mixture into a calender for calendering finishing, and forming a waterproof breathable film 3 between the base cloth layer 1 and the polyester layer 2.
Example 3
The preparation method of the waterproof breathable film fabric in the embodiment comprises the following steps:
preparing 45% long stapled cotton, 35% seven-hole cotton and 20% bamboo fiber into a base cloth layer 1 by a knitting method, putting the base cloth layer 1 into a cloth washer for cleaning, and drying at 145 ℃ for later use;
Mixing polytetrafluoroethylene, thermoplastic polyurethane rubber, tartaric acid, pentaerythritol and sodium isopropoxide in a stirrer according to a mass ratio of 70:35:5:28:4, setting a stirring speed of 1550rpm, and stirring and reacting for 90min at a temperature of 110 ℃ to obtain a mixture;
injecting the prepared mixture into spraying equipment, spraying on the top of a base cloth layer 1, and adjusting a spraying machine to a diameter of 1.5 mu m of water mist which can be sprayed out;
spreading the polyester layer 2 on top of the sprayed mixture, then placing the mixture into a calender for calendering finishing, and forming a waterproof breathable film 3 between the base cloth layer 1 and the polyester layer 2.
Example 4
The preparation method of the waterproof breathable film fabric in the embodiment comprises the following steps:
Preparing 38% long stapled cotton, 32% seven-hole cotton and 17% bamboo fiber into a base cloth layer 1 by a knitting method, putting the base cloth layer 1 into a cloth washer for cleaning, and drying at 132 ℃ for later use;
mixing polytetrafluoroethylene, thermoplastic polyurethane rubber, tartaric acid, pentaerythritol and sodium isopropoxide in a mass ratio of 60:28:4.5:21:2.8 in a stirrer, setting a stirring speed of 1530rpm, and stirring and reacting for 76min at a temperature of 95 ℃ to obtain a mixture;
Injecting the prepared mixture into spraying equipment, spraying on the top of a base cloth layer 1, and adjusting a spraying machine to spray water mist with the diameter of 1.2 mu m;
spreading the polyester layer 2 on top of the sprayed mixture, then placing the mixture into a calender for calendering finishing, and forming a waterproof breathable film 3 between the base cloth layer 1 and the polyester layer 2.
Comparative example 1
The preparation method of the waterproof breathable film fabric in the comparative example comprises the following steps:
Mixing polytetrafluoroethylene, thermoplastic polyurethane rubber, tartaric acid and sodium isopropoxide in a stirrer according to a mass ratio of 60:30:4.2:3, setting a stirring speed of 1500rpm, and stirring and reacting for 75min at a temperature of 90 ℃ to obtain a mixture;
the remainder was as in example 2.
Comparative example 2
The preparation method of the waterproof breathable film fabric in the comparative example comprises the following steps:
mixing polytetrafluoroethylene, thermoplastic polyurethane rubber, pentaerythritol and sodium isopropoxide in a stirrer according to a mass ratio of 60:30:22:3, setting a stirring speed of 1500rpm, and stirring and reacting for 75min at a temperature of 90 ℃ to obtain a mixture;
the remainder was as in example 2.
Comparative example 3
The preparation method of the waterproof breathable film fabric in the comparative example comprises the following steps:
Mixing polytetrafluoroethylene, thermoplastic polyurethane rubber, citric acid and sodium isopropoxide in a stirrer according to a mass ratio of 70:35:5:4, setting stirring speed to 1550rpm, and stirring and reacting for 90min at a temperature of 110 ℃ to obtain a mixture;
The remainder were as in example 3.
Comparative example 4
The preparation method of the waterproof breathable film fabric in the comparative example comprises the following steps:
Mixing polytetrafluoroethylene, thermoplastic polyurethane rubber, tartaric acid, propylene glycol and sodium isopropoxide in a stirrer according to a mass ratio of 60:30:4.2:22:3, setting a stirring speed of 1500rpm, and stirring and reacting for 75min at a temperature of 90 ℃ to obtain a mixture;
the remainder was as in example 2.
Performance testing
The fabric materials prepared in examples 1-2 and comparative example were subjected to performance test according to the general test method in the relevant national standard, (1) moisture permeability test, according to the standard GB/T12704.1-2009, "textile fabric moisture permeability test method part 1: moisture absorption method, (2) tensile strength test, according to the GB/T3923.2-2013" textile fabric tensile property part 2: sample grabbing method for determination of breaking strength "(3) hydrostatic pressure test, national standard: GB/T4744" test and evaluation of textile waterproof Performance: hydrostatic pressure method ", results are given in the following table:
TABLE 1 product Performance test
Project Moisture permeability g/(m.times.m.times.24 h) Tensile Strength/Mpa Hydrostatic pressure (N/m)
Example 1 15010 61.1 1.8
Example 2 16000 65 2.05
Example 3 15050 63.5 1.93
Example 4 15030 62.5 1.9
Comparative example 1 12005 60 1.41
Comparative example 2 13550 59 1.43
Comparative example 3 13000 58 1.4
Comparative example 4 14500 61 1.5
The market is existing 10300 57 1.3
As shown in the above table, the waterproof and breathable film fabrics of examples 1 to 4 have a waterproof and breathable performance of 13800 g/(m×m×24 h) or more in comparison with comparative examples 1 to 4, wherein the waterproof and breathable performance of example 2 is 16000 g/(m×m×24 h), and the waterproof and breathable film fabrics of examples 1 to 4 have a significantly improved resistance to hydrostatic pressure compared with comparative example 4, wherein the tensile strength of example 2 is 65/mpa, which is higher than that of comparative example 4, and the tensile strength of examples 1 to 4 is higher than that of comparative examples 1 to 4 in mechanical properties, and the waterproof and breathable film fabrics of comparative examples 1 to 4 have a significantly improved waterproof and breathable performance, hydrostatic pressure resistance and mechanical properties compared with the existing waterproof and breathable film fabrics of the market.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises an element.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (2)

1.一种防水透气膜织物，包括基布层（1）和涤纶层（2），其特征在于：所述基布层（1）与涤纶层（2）之间设置有防水透气膜（3），所述防水透气膜（3）的制备材料包括质量比为60:28:4.5:21:2.8的聚四氟乙烯、热塑性聚氨酯橡胶、酒石酸、季戊四醇和异丙醇钠；1. A waterproof and breathable membrane fabric, comprising a base fabric layer (1) and a polyester layer (2), characterized in that: a waterproof and breathable membrane (3) is disposed between the base fabric layer (1) and the polyester layer (2), wherein the waterproof and breathable membrane (3) is prepared by materials comprising polytetrafluoroethylene, thermoplastic polyurethane rubber, tartaric acid, pentaerythritol and sodium isopropoxide in a mass ratio of 60:28:4.5:21:2.8; 所述防水透气膜（3）的微孔的孔径为0.2-0.5μm；The pore size of the micropores in the waterproof and breathable membrane (3) is 0.2-0.5 μm; 该防水透气膜织物的制造方法包括以下步骤：The method for manufacturing this waterproof and breathable membrane fabric includes the following steps: S1：将30%-45%长绒棉和20%-35%七孔棉以及10%-20%竹原纤维通过针织法制成基布层（1），放入洗布机当中清洗，在120-145℃下吹干，备用；S1: 30%-45% long-staple cotton, 20%-35% seven-hole cotton and 10%-20% bamboo fiber are knitted to form a base fabric layer (1), which is then washed in a fabric washing machine and dried at 120-145℃ for later use. S2：在搅拌机中将聚四氟乙烯、热塑性聚氨酯橡胶、酒石酸、季戊四醇和异丙醇钠混合，设定搅拌速率为1450-1550rpm，在80-110℃的温度条件下搅拌反应60-90min，得到混合物；S2: Mix polytetrafluoroethylene, thermoplastic polyurethane rubber, tartaric acid, pentaerythritol and sodium isopropoxide in a mixer, set the stirring speed to 1450-1550 rpm, and stir the reaction at a temperature of 80-110℃ for 60-90 min to obtain a mixture. S3：将制备好的混合物注入到喷涂设备中，在基布层（1）的顶部喷涂，将喷涂机喷出的水雾直径调整为：0.5-1.5μm；S3: Inject the prepared mixture into the spraying equipment and spray it on the top of the base fabric layer (1). Adjust the diameter of the water mist sprayed by the spraying machine to 0.5-1.5μm. S4：将涤纶层（2）平铺至喷涂的混合物的顶部，之后放入轧光机中进行轧光整理加工，在基布层（1）与涤纶层（2）之间形成防水透气膜（3）。S4: The polyester layer (2) is laid flat on top of the sprayed mixture and then placed in a calender for calendering and finishing, forming a waterproof and breathable membrane (3) between the base fabric layer (1) and the polyester layer (2). 2.一种如权利要求1所述的一种防水透气膜织物在制造衣物中的应用。2. The application of the waterproof and breathable membrane fabric as described in claim 1 in the manufacture of clothing.
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