CN113876072B - Waterproof sports shoes and preparation method thereof - Google Patents
Waterproof sports shoes and preparation method thereof Download PDFInfo
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- CN113876072B CN113876072B CN202111214814.1A CN202111214814A CN113876072B CN 113876072 B CN113876072 B CN 113876072B CN 202111214814 A CN202111214814 A CN 202111214814A CN 113876072 B CN113876072 B CN 113876072B
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- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B5/00—Footwear for sporting purposes
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- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B23/00—Uppers; Boot legs; Stiffeners; Other single parts of footwear
- A43B23/02—Uppers; Boot legs
- A43B23/0245—Uppers; Boot legs characterised by the constructive form
- A43B23/026—Laminated layers
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- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B7/00—Footwear with health or hygienic arrangements
- A43B7/12—Special watertight footwear
-
- 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
- B32B27/12—Layered products comprising a layer of synthetic resin next to 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
- B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
- B32B27/322—Layered products comprising a layer of synthetic resin comprising polyolefins comprising halogenated polyolefins, e.g. PTFE
-
- 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
- B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
-
- 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
- B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
- B32B37/1207—Heat-activated adhesive
-
- 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
- B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
- B32B37/1284—Application of adhesive
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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
- 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
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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
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
- B32B37/1207—Heat-activated adhesive
- B32B2037/1215—Hot-melt adhesive
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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
- 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
- B32B2262/0223—Vinyl resin fibres
- B32B2262/0238—Vinyl halide, e.g. PVC, PVDC, PVF, PVDF
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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
- 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
- B32B2262/04—Cellulosic plastic fibres, e.g. rayon
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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
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/724—Permeability to gases, adsorption
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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
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/726—Permeability to liquids, absorption
-
- 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
- B32B2307/726—Permeability to liquids, absorption
- B32B2307/7265—Non-permeable
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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
- B32B2437/00—Clothing
- B32B2437/02—Gloves, shoes
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- 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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- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Epidemiology (AREA)
- Public Health (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Physical Education & Sports Medicine (AREA)
- Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
Abstract
The application relates to the technical field of sports shoes, and particularly discloses a waterproof sports shoe and a preparation method thereof. The waterproof sports shoes include sole and vamp, its characterized in that, the vamp includes waterproof surface fabric, waterproof surface fabric includes: a fabric substrate; the waterproof layer is formed into a waterproof and breathable film, and the waterproof and breathable film is arranged on one side of the fabric substrate to isolate the contact between the fabric substrate and liquid; the fabric matrix is prepared by blending acrylic fiber blended yarns and plant viscose fibers. The preparation method comprises the steps of S1, preparing a fabric matrix; s2, coating by a ventilation layer; s3, coating a waterproof layer; s4, preparing a vamp; s5, composite molding. The application improves the composition of the fabric matrix, and prepares the fabric matrix by blending the acrylic fiber blended yarn and the plant viscose fiber. The moisture dispersion performance of the waterproof fabric is effectively improved, so that the comfort level of the waterproof sports shoes is improved.
Description
Technical Field
The application belongs to the technical field of sports shoes, and particularly relates to a waterproof sports shoe and a preparation method thereof.
Background
Sports shoes generally refer to shoes that a person wears during a sporting event or training. However, along with the wide participation of people in sports, the cover surface of the sports shoes is also expanding, and the wearing time is not limited to sports events. The wearing space breaks through the stadium, the wearing crowd is not limited to athletes, and the limits of the age, occupation and sex of the wearer are broken. In summary, athletic footwear has penetrated into a variety of consumer areas and areas.
In some sports items conducted in a humid environment, there is a high requirement for the waterproof property of sports shoes, and the waterproof property of shoes depends on the shoe material and structure. The molded sole sports shoes made of the waterproof leather have good waterproof performance. Under the environment with high waterproof requirement, the scheme of coating the waterproof film can be used to improve the waterproof performance of the sports shoes. However, the athletic shoes should also maintain their moisture removal after extended wear, otherwise, the comfort of the shoes may be reduced due to moisture in the shoes.
However, in the actual use process of the sports shoes, the waterproof performance is well improved, but the moisture dispersion performance is also reduced to a certain extent, so that in the actual use process, the skin in a sports state is required to sweat greatly, common fibers cannot conduct out absorbed liquid sweat, the evaporation of sweat forms a barrier effect, and the generated heat cannot be diffused through the evaporation of sweat because the sweat cannot be conducted out rapidly, so that the comfort is obviously reduced.
Disclosure of Invention
In order to overcome the defects of poor moisture dispersion and air permeability of the existing waterproof sports shoes, the application provides the waterproof sports shoes and the preparation method thereof, and adopts the following technical scheme:
in a first aspect, the present application provides a waterproof sports shoe, which adopts the following technical scheme:
a waterproof athletic shoe, comprising a sole and an upper, the upper comprising a waterproof fabric, the waterproof fabric comprising: a fabric substrate; the waterproof layer is formed into a waterproof and breathable film, and the waterproof and breathable film is arranged on one side of the fabric substrate to isolate the contact between the fabric substrate and liquid; the fabric matrix is prepared by blending acrylic fiber blended yarns and plant viscose fibers.
By adopting the technical scheme, the composition of the fabric matrix is improved, and the fabric matrix is prepared by blending acrylic fiber blended yarns and plant viscose fibers. Because the inner layer structure of the plant viscose fiber is loose and has gaps, and the surface structure is compact and smooth, and the plant viscose fiber has a skin-core layer structure, the specific surface area of the plant viscose fiber is large, and the plant viscose fiber has good moisture absorption and dissipation performances.
Meanwhile, the crystallinity of the plant viscose fiber is lower, a larger amorphous area exists, moisture absorption and moisture dissipation mainly occur in the amorphous area, the moisture absorption and moisture dissipation areas are more, and the moisture absorption and moisture dissipation are increased, so that the water delivery of the plant viscose fiber is rapidly diffused and volatilized, absorbed water molecules can be rapidly discharged to the outer layer for evaporation, the moisture dissipation performance of the waterproof fabric is effectively improved, and the comfort level of the waterproof sports shoes is improved.
Further, the waterproof fabric further comprises a moisture permeable layer, wherein the moisture permeable layer is formed into a hollow fiber membrane, and the hollow fiber membrane is arranged between the fabric substrate and the waterproof layer.
By adopting the technical scheme, the moisture permeable layer is arranged in the waterproof fabric and effectively serves as a moisture absorption and moisture removal buffer area, and the moisture permeable layer adopts the hollow fiber membrane, so that a large number of fibers exist in the fiber membrane with a hollow structure, moisture permeation and ventilation are performed through countless hollow air columns in the fiber membrane, and the circulation effect of water vapor is improved. In the actual use process, the rapid removal of sweat after sweating can be effectively improved, and the moisture dispersion performance of the waterproof fabric is effectively improved, so that the comfort level of the waterproof sports shoes is improved.
Further, the hollow fiber membrane includes any one of a polyvinylidene fluoride hollow fiber membrane, a polypropylene hollow fiber membrane, or a polyethylene hollow fiber membrane.
By adopting the technical scheme, the hollow fiber membrane material is optimized, and the polyvinylidene fluoride hollow fiber membrane, the polypropylene hollow fiber membrane or the polyethylene hollow fiber membrane has the advantages of high membrane filament strength, high porosity, acid and alkali resistance, high and low temperature resistance, low surface friction coefficient and the like, so that the hollow fiber membrane material adopted by the waterproof fabric in different scenes can be conveniently selected, and the comfort level of the waterproof sports shoes is further improved.
Further, the hollow fiber membrane pores are formed into a tubular structure which is sequentially reduced from inside to outside, the inner diameter of the hollow fiber membrane pores is 1.2-1.5 mm, and the outer diameter of the hollow fiber membrane pores is 2.5-2.8 mm.
By adopting the technical scheme, the hollow fiber membrane pores are optimized, and on one hand, the optimized hollow fiber membrane has good moisture permeability and improves the comfort of the waterproof sports shoes. On the other hand, the hollow fiber membrane is of an asymmetric structure, so that a structure with composite external pores and internal pores is formed, the mechanical property of the hollow fiber membrane material is effectively improved, the service life of the waterproof fabric is effectively prolonged, and the practical service life of the waterproof sports shoes is prolonged.
Further, the plant viscose fiber comprises one or more of wormwood viscose fiber, palm viscose fiber and pineapple viscose fiber.
By adopting the technical scheme, the material of the plant viscose fiber is optimized, and as the optimized plant viscose fiber contains a large number of polar groups such as hydroxyl, carboxyl and the like, the electronegativity is strong, and the moisture absorption performance of the viscose fiber material is effectively improved. And secondly, as the surface of the plant viscose fiber has a natural particle or groove structure, the surface area of the plant viscose fiber is obviously improved, so that the moisture dispersion performance of the waterproof fabric is further improved, and the comfort level of the waterproof sports shoes is further improved.
Further, the waterproof breathable film is a polytetrafluoroethylene porous film.
By adopting the technical scheme, the polytetrafluoroethylene porous film is preferably used as the waterproof breathable film, and because the polytetrafluoroethylene porous film contains a large number of micropore pores, the pore diameters of the micropore pores are between rainwater and water vapor, the water vapor can freely pass through pore channels, the resistance is small, and macromolecular liquid drops cannot freely come in and go out, so that the waterproof performance of the waterproof breathable film is effectively improved, and the moisture permeability and the breathable performance of the waterproof fabric are further improved.
In a second aspect, the present application also provides a method for preparing a waterproof sports shoe, comprising the following preparation steps:
s1, coating a moisture permeable layer: placing the hollow fiber membrane and the fabric substrate in a laminating device, coating hot melt adhesive on the surface of the fabric substrate, laminating and collecting to obtain a moisture permeable layer coated fabric;
s2, coating a waterproof layer: coating hot melt adhesive on the surface of the moisture permeable layer coated fabric, covering and laminating the waterproof breathable film, and standing for curing to obtain the waterproof fabric;
s3, vamp preparation: after the waterproof fabric is coated with the filling material, cutting, stitching and molding are carried out, and the vamp is obtained after collection;
s4, composite molding: the vamp and the sole material are sewn and compounded, and the waterproof sports shoe can be prepared.
By adopting the technical scheme, the fabric is woven firstly, then the moisture permeable layer and the waterproof layer are respectively loaded by hot melt adhesive, and the waterproof fabric with good integration is formed after lamination and compounding, so that the waterproof fabric is simple in preparation process, excellent in performance after compounding and good in waterproof performance and moisture permeability.
Further, the viscosity of the hot melt adhesive is 9000-10000 mPas.
By adopting the technical scheme, the viscosity of the hot melt adhesive is optimized, so that the glue penetration is not generated in the lamination and compounding process when the waterproof fabric is prepared, the structure after lamination and compounding is uniform, the hand feeling is excellent, and the continuous operation of industrial production and the excellent quality of the waterproof fabric are effectively ensured.
In summary, the present application includes at least one of the following beneficial technical effects:
first, the application improves the composition of the fabric matrix, and the fabric matrix is prepared by blending acrylic fiber blended yarns and plant viscose fibers. Because the inner layer structure of the plant viscose fiber is loose and has gaps, and the surface structure is compact and smooth, and the plant viscose fiber has a skin-core layer structure, the specific surface area of the plant viscose fiber is large, and the plant viscose fiber has good moisture absorption and dissipation performances.
Meanwhile, the crystallinity of the plant viscose fiber is lower, a larger amorphous area exists, moisture absorption and moisture dissipation mainly occur in the amorphous area, the moisture absorption and moisture dissipation areas are more, and the moisture absorption and moisture dissipation are increased, so that the water delivery of the plant viscose fiber is rapidly diffused and volatilized, absorbed water molecules can be rapidly discharged to the outer layer for evaporation, the moisture dissipation performance of the waterproof fabric is effectively improved, and the comfort level of the waterproof sports shoes is improved.
Secondly, the moisture permeable layer is arranged in the waterproof fabric and effectively serves as a moisture absorption and moisture removal buffer area, and the moisture permeable layer adopts the hollow fiber membrane, so that a large number of fibers exist in the fiber membrane with a hollow structure, moisture permeation and ventilation are performed through countless hollow air columns in the fiber membrane, and the circulation effect of water vapor is improved. In the actual use process, the rapid removal of sweat after sweating can be effectively improved, and the moisture dispersion performance of the waterproof fabric is effectively improved, so that the comfort level of the waterproof sports shoes is improved.
Thirdly, the application optimizes the pore space of the hollow fiber membrane, on one hand, the optimized hollow fiber membrane has good moisture permeability, and the comfort of the waterproof sports shoes is improved. On the other hand, the hollow fiber membrane is of an asymmetric structure, so that a structure with composite external pores and internal pores is formed, the mechanical property of the hollow fiber membrane material is effectively improved, the service life of the waterproof fabric is effectively prolonged, and the practical service life of the waterproof sports shoes is prolonged.
Fourth, the polytetrafluoroethylene porous film is preferably used as a waterproof breathable film, and because the polytetrafluoroethylene porous film contains a large number of micropore pores, the pore diameters of the micropore pores are between the rainwater and the water vapor, the water vapor can freely pass through the pore canal, the resistance is small, and the macromolecular liquid drops can not freely come in and go out, so that the waterproof performance of the waterproof breathable film is effectively improved, and the moisture permeability and the breathable performance of the waterproof fabric are further improved.
Detailed Description
The present application will be described in further detail with reference to examples and comparative examples.
The raw materials in the present application may be commercially available products, and the following sources are merely examples and are not represented as the specified raw materials.
Graphene oxide is purchased from Shanghai's micro-applied materials technology Co., ltd, and has a purity of 99%;
the silica sol is purchased from Xuancheng Jinrui New Material Co., ltd., product number VK-S01N;
nano magnesia was purchased from shandong aochu chemical company, inc;
the photoinitiator was purchased from Anhui's color New Material Co., ltd, model number Basoff photoinitiator 907;
thermal initiator was purchased from Shanghai Wannel chemical Co., ltd and model number Trigonox B.
Instrument: a CZY-6S type holding viscosity tester; CZY-G type initial adhesion tester.
Preparation example
Preparation example 1
Preparing a fabric matrix:
manufacturing acrylic fiber blended yarns by using a plating weft plain structure, feeding the yarns in a plating mode, weaving the moxa viscose fibers and the acrylic fiber blended yarns, controlling the length of the face yarns to be 100mm/50 coils, controlling the length of the ground yarns to be 50mm/50 coils, and collecting the face fabric matrix 1.
Preparation example 2
Preparing a fabric matrix:
manufacturing acrylic fiber blended yarns by using a plating weft plain structure, feeding the yarns in a plating mode, weaving the palm viscose fibers and acrylic fiber blended yarns, controlling the length of the face yarns to be 100mm/50 coils, controlling the length of the ground yarns to be 50mm/50 coils, and collecting the face fabric substrate 2.
Preparation example 3
Preparing a fabric matrix:
the acrylic fiber blended yarn is manufactured by a plating weft plain structure, the yarn is fed in a plating mode, the pineapple viscose fiber and acrylic fiber blended yarn is woven, the yarn is formed by weaving, the length of the face yarn is controlled to be 100mm/50 coil, the length of the ground yarn coil is controlled to be 50mm/50 coil, and the fabric matrix 3 is obtained through collection.
Preparation example 4
Preparing a hollow fiber membrane:
(1) Taking polytetrafluoroethylene resin particles, crushing, collecting polytetrafluoroethylene resin particles with the equal mass mixing of 0.2-0.5 mu m and 500-600 mu m, and collecting polytetrafluoroethylene resin mixed particles;
(2) Mixing 5g of isohexadecane and 2000g of polytetrafluoroethylene resin mixed particles, placing the mixture in a V-shaped mixer for mixing, extruding a hollow tube through a plunger extruder, degreasing, placing the hollow tube in a drafting device, drafting and sintering the hollow tube, and collecting the hollow fiber membrane 1 with the inner diameter of 1.2-1.5 mm and the outer diameter of 2.5-2.8 mm.
Preparation example 5
Preparing a hollow fiber membrane:
(1) Taking polyethylene resin particles, crushing, collecting polytetrafluoroethylene resin particles with the equal mass mixing of 0.2-0.5 mu m and 500-600 mu m, and collecting polytetrafluoroethylene resin mixed particles;
(2) Mixing 5g of isohexadecane and 2000g of polytetrafluoroethylene resin mixed particles, placing the mixture in a V-shaped mixer for mixing, extruding a hollow tube through a plunger extruder, degreasing, placing the hollow tube in a drafting device, drafting and sintering the hollow tube, and collecting the hollow fiber membrane 2 with the inner diameter of 1.2-1.5 mm and the outer diameter of 2.5-2.8 mm.
Preparation example 6
Preparing a hollow fiber membrane:
(1) Taking polypropylene resin particles, crushing, collecting polytetrafluoroethylene resin particles with the mass of 0.2-0.5 mu m and 500-600 mu m, mixing, and collecting polytetrafluoroethylene resin mixed particles;
(2) Mixing 5g of isohexadecane and 2000g of polytetrafluoroethylene resin mixed particles, placing the mixture in a V-shaped mixer for mixing, extruding a hollow tube through a plunger extruder, degreasing, placing the hollow tube in a drafting device, drafting and sintering the hollow tube, and collecting the hollow fiber membrane 3 with the inner diameter of 1.2-1.5 mm and the outer diameter of 2.5-2.8 mm.
Examples
Example 1
Preparation of waterproof sports shoes:
s1, coating a waterproof layer: coating the surface of the fabric substrate 1 with the viscosity of 9000 mPa.s of hot melt adhesive with a coating weight of 10g/m 2 After the coating is finished, covering, laminating and compounding a polytetrafluoroethylene porous film, standing and solidifying to obtain the waterproof fabric;
s2, vamp preparation: coating waterproof fabric with polyurethane sponge, cutting, stitching, molding, and collecting vamp;
s3, composite molding: the vamp and the sole material are sewn and compounded, and the waterproof sports shoe can be prepared.
Example 2
Preparation of waterproof sports shoes:
s1, coating a waterproof layer: coating a hot melt adhesive with the viscosity of 9000 mPa.s on the surface of a fabric substrate 2, wherein the coating amount is 10g/m 2 After the coating is finished, covering, laminating and compounding a polytetrafluoroethylene porous film, standing and solidifying to obtain the waterproof fabric;
s2, vamp preparation: coating waterproof fabric with polyurethane sponge, cutting, stitching, molding, and collecting vamp;
s3, composite molding: the vamp and the sole material are sewn and compounded, and the waterproof sports shoe can be prepared.
Example 3
Preparation of waterproof sports shoes:
s1, coating a ventilation layer: placing the hollow fiber membrane 1 and the fabric substrate 1 in a bonding device, and coating a hot melt adhesive with the viscosity of 9000 mPa.s on the surface of the fabric substrate, wherein the coating amount is 10g/m 2 After the coating is finished, laminating and collecting to obtain the breathable layer coated fabric;
s2, coating a waterproof layer: coating the surface of the breathable layer coated fabric with hot melt adhesive with the viscosity of 9000 mPa.s, wherein the coating amount is 10g/m 2 After the coating is finished, covering, laminating and compounding a polytetrafluoroethylene porous film, standing and solidifying to obtain the waterproof fabric;
s3, vamp preparation: coating waterproof fabric with polyurethane sponge, cutting, stitching, molding, and collecting vamp;
s4, composite molding: the vamp and the sole material are sewn and compounded, and the waterproof sports shoe can be prepared.
Examples 4 to 5
The difference between the waterproof sports shoes and the embodiment 1 is that in the preparation of the waterproof sports shoes in the embodiments 4 to 5, the fabric substrate 2 and the fabric substrate 3 are respectively adopted to replace the fabric substrate 1 in the embodiment 1, and other preparation steps and component proportions are the same as those in the embodiment 1.
Examples 6 to 7
A waterproof sports shoe is different from example 1 in that in examples 4 to 5, when the waterproof sports shoe is prepared, hot melt adhesives with viscosity of 9500 mPas and viscosity of 10000 mPas are respectively adopted to replace the hot melt adhesive with viscosity of 9000 mPas in example 1, and other preparation steps and component proportions are the same as in example 1.
Example 8
Preparation of waterproof sports shoes:
s1, coating a ventilation layer: placing the hollow fiber membrane 1 and the fabric substrate 1 in a bonding device, and coating a hot melt adhesive with the viscosity of 9000 mPa.s on the surface of the fabric substrate, wherein the coating amount is 10g/m 2 After the coating is finished, laminating and collecting to obtain the breathable layer coated fabric;
s2, coating a waterproof layer: coating a hot melt adhesive with the viscosity of 9000 mPa.s on the surface of the breathable layer coated fabric, coating the hot melt adhesive with the coating amount of 10g/m < 2 >, covering and laminating a polytetrafluoroethylene porous film after the coating is finished, standing and curing to obtain the waterproof fabric;
s3, vamp preparation: coating waterproof fabric with polyurethane sponge, cutting, stitching, molding, and collecting vamp;
s4, composite molding: the vamp and the sole material are sewn and compounded, and the waterproof sports shoe can be prepared.
Example 9
Preparation of waterproof sports shoes:
s1, coating a ventilation layer: placing the hollow fiber membrane 2 and the fabric substrate 1 in a bonding device, and coating a hot melt adhesive with the viscosity of 9000 mPa.s on the surface of the fabric substrate, wherein the coating amount is 10g/m 2 After the coating is finished, the coating is carried out, and then the coating is carried out and the coating is collectedObtaining the breathable layer coated fabric;
s2, coating a waterproof layer: coating the surface of the breathable layer coated fabric with hot melt adhesive with the viscosity of 9000 mPa.s, wherein the coating amount is 10g/m 2 After the coating is finished, covering, laminating and compounding a polytetrafluoroethylene porous film, standing and solidifying to obtain the waterproof fabric;
s3, vamp preparation: coating waterproof fabric with polyurethane sponge, cutting, stitching, molding, and collecting vamp;
s4, composite molding: the vamp and the sole material are sewn and compounded, and the waterproof sports shoe can be prepared.
Example 10
Preparation of waterproof sports shoes:
s1, coating a ventilation layer: placing the hollow fiber membrane 3 and the fabric substrate 1 in a laminating device, coating hot melt adhesive with the viscosity of 9000 mPa.s on the surface of the fabric substrate, wherein the coating amount is 10g/m < 2 >, and after the coating is finished, laminating and collecting to obtain the breathable layer coated fabric;
s2, coating a waterproof layer: coating the surface of the breathable layer coated fabric with hot melt adhesive with the viscosity of 9000 mPa.s, wherein the coating amount is 10g/m 2 After the coating is finished, covering, laminating and compounding a polytetrafluoroethylene porous film, standing and solidifying to obtain the waterproof fabric;
s3, vamp preparation: coating waterproof fabric with polyurethane sponge, cutting, stitching, molding, and collecting vamp;
s4, composite molding: the vamp and the sole material are sewn and compounded, and the waterproof sports shoe can be prepared.
Comparative example
Comparative example 1: compared with the example 1, the waterproof sports shoes adopt the acrylic fiber fabric sold in the market to replace the fabric matrix 1, and the rest components and the preparation steps are the same as those of the example 1.
Comparative example 2: compared with example 1, the waterproof sports shoes adopt the cotton fabric sold in the market to replace the fabric matrix 1, and the rest components and the preparation steps are the same as those of example 1.
Comparative example 3: in comparison with example 1, the sports shoe was prepared by directly using the fabric base 1 instead of the waterproof fabric, and the rest of the components and the preparation steps were the same as those of example 1.
Performance test
For convenience of testing, the present application only performs performance tests on the waterproof athletic shoes prepared in examples 1 to 10 and comparative examples 1 to 3 to test the performance of the waterproof athletic shoe finished product in use.
Detection method/test method
Perspective performance: the test is carried out according to GB/T12704.1-2009 "first partial wet absorption method of textile fabric moisture permeability test method".
Experimental instrument: YG 601-I/II type fabric moisture permeability instrument.
The experimental steps are as follows: cutting three waterproof fabrics with the diameter of 7cm, setting the temperature of an oven to 160 ℃ before experiments, drying anhydrous calcium chloride for 3 hours, putting the dried anhydrous calcium chloride into a moisture permeable cup to the position of 4mm at the cup mouth, placing the waterproof fabrics on the moisture permeable cup, placing a gasket and a compression ring, screwing a nut, and finally sealing the side face of the moisture permeable cup by using an adhesive tape to form a combination body. Putting the combination of the waterproof fabric and the moisture permeable cup into a test box with specified experimental conditions (the temperature is 38+/-2 ℃ and the relative humidity is 90+/-2%) for balancing for 1h, covering a cup cover, taking out the moisture permeable cup, putting the moisture permeable cup into a silica gel dryer for cooling and balancing for half an hour, and rapidly weighing. The cover of the moisture permeable cup is removed, the moisture permeable cup is put back into a test box with specified experimental conditions for balancing for 1 hour, and the moisture permeable cup is taken out again and put into a silica gel dryer for balancing for half an hour for weighing. The moisture permeability of the waterproof fabric is calculated according to the difference of the quality of the front and the rear two times, each sample is tested three times, and the average value is calculated.
The formula for calculating the moisture permeability: wvt=m/(A.t) formula: WVT is the moisture permeability (g/(m 2. H)), m is the difference (g) between two times of weighing of the same experimental assembly, A is the effective pattern area (m 2 ) The effective experimental area is 0.00283m 2 H is the experimental time.
Waterproof property: the water pressure resistance of the waterproof and moisture permeable nanofiber composite fabric is measured by adopting a YG812F water permeability tester, and the pressurizing rate of water flow is set to be 6kPa min by utilizing a pressurizing method -1 When 3 water drops appear on the surface of the tested waterproof and moisture permeable nanofiber composite fabric, the water pressure resistance value of the fabric corresponding to the display screen at the moment is recorded in time, and each sample is tested 10 times to obtain the average value.
The specific test results are shown in table 1 below:
table 1 characterization of the properties of experimental examples 1 to 10 and comparative examples 1 to 3
First, 4 sets of protocols were set up for examples 1 to 3, examples 4 to 5, examples 6 to 7, and examples 8 to 10, and performance analyses were performed by combining the performance tables of comparative examples 1 to 3 and table 1, and specific results are as follows:
(1) According to the technical scheme of the table 1 and the comparison examples 1-3 and 1-2, the waterproof sports shoes prepared in the comparison examples 1-2 are improved in moisture permeability compared with the waterproof sports shoes prepared in the comparison examples 1-3, and the acrylic fiber blended yarn and the plant viscose fiber are blended to prepare the fabric matrix, so that the absorbed water molecules can be rapidly discharged to the outer layer for evaporation due to rapid water transmission and rapid diffusion and volatilization of the plant viscose fiber, the moisture dispersion performance of the waterproof fabric is effectively improved, and the comfort level of the waterproof sports shoes is improved.
(2) And then, by combining the comparative example 3 with the example 1 for performance comparison, the waterproof layer is not added in the comparative example 3, so that the waterproof performance is completely lost, which indicates that the technical scheme of the application adopts the polytetrafluoroethylene porous film as the waterproof breathable film, and the polytetrafluoroethylene porous film contains a large number of micropore pores, the pore diameters of the micropore pores are between the rainwater and the water vapor, the water vapor can freely pass through the pore channels, the resistance is small, and the macromolecule liquid drops can not freely enter and exit, so that the waterproof performance is effectively improved, and the moisture permeability and the breathability of the waterproof fabric are further improved.
(3) Comparing examples 1-3 with examples 4-5, the technical schemes of examples 1 and examples 4-5 adopt different materials as hollow fiber membranes, but the waterproof performance and the moisture permeability of the hollow fiber membranes are not greatly changed, which indicates that the technical scheme of the application prefers the materials of the hollow fiber membranes to have the advantages of high strength, high porosity, acid and alkali resistance, high and low temperature resistance, low surface friction coefficient and the like, and the selection of the materials of the hollow fiber membranes adopted by waterproof fabrics in different scenes can be facilitated, so that the comfort of the waterproof sports shoes is further improved.
(4) By analyzing the combination of the embodiment 1 and the embodiment 6-7, as can be seen from the data analysis of the table 1, the embodiment 6-7 changes the hot melt adhesive, the variation gap between the waterproof property and the moisture permeability is small, and the technical scheme of the application optimizes the viscosity of the hot melt adhesive, so that the prepared waterproof fabric does not generate glue penetration in the lamination and compounding process, has uniform structure and good hand feeling after lamination and compounding, and effectively ensures the continuous operation of industrial production and the good quality of the waterproof fabric.
(5) Finally, comparing examples 8-10 with examples 1-3, it can be found by combining the data of table 1 that the technical scheme of examples 8-10 is provided with a moisture permeable layer in the waterproof fabric, which is effectively used as a buffer area for moisture absorption and moisture removal, and because the moisture permeable layer adopts hollow fiber membranes, a large number of fibers in the fiber membranes with hollow structures are subjected to moisture permeation and ventilation through countless hollow air columns in the fiber membranes, thereby improving the circulation effect of water vapor. In the actual use process, the rapid removal of sweat after sweating can be effectively improved, and the moisture dispersion performance of the waterproof fabric is effectively improved, so that the comfort level of the waterproof sports shoes is improved.
The present embodiment is only for explanation of the present application and is not to be construed as limiting the present application, and modifications to the present embodiment, which may not creatively contribute to the present application as required by those skilled in the art after reading the present specification, are all protected by patent laws within the scope of claims of the present application.
Claims (4)
1. The utility model provides a waterproof sports shoes, includes sole and vamp, its characterized in that, the vamp includes waterproof surface fabric, waterproof surface fabric includes:
a fabric substrate;
the waterproof layer is formed into a waterproof and breathable film, and the waterproof and breathable film is arranged on one side of the fabric substrate to isolate the contact between the fabric substrate and liquid;
the fabric substrate is prepared by blending acrylic fiber blended yarns and plant viscose fibers;
the waterproof fabric further comprises a moisture permeable layer, wherein the moisture permeable layer is formed into a hollow fiber membrane, and the hollow fiber membrane is arranged between the fabric substrate and the waterproof layer;
the hollow fiber membrane comprises any one of polyvinylidene fluoride hollow fiber membrane, polypropylene hollow fiber membrane or polyethylene hollow fiber membrane;
the hollow fiber membrane pores are formed into a tubular structure which is sequentially reduced from inside to outside, the inner diameter of the hollow fiber membrane pores is 1.2-1.5 mm, and the outer diameter of the hollow fiber membrane pores is 2.5-2.8 mm;
the waterproof breathable film is a polytetrafluoroethylene porous film.
2. The waterproof athletic shoe of claim 1, wherein the plant mucilage fibers comprise one or more of mugwort mucilage fibers, palm mucilage fibers and pineapple mucilage fibers.
3. A method of making a waterproof athletic shoe as defined in claim 1, comprising the steps of:
s1, coating a moisture permeable layer: placing the hollow fiber membrane and the fabric substrate in a laminating device, coating hot melt adhesive on the surface of the fabric substrate, laminating and collecting to obtain a moisture permeable layer coated fabric;
s2, coating a waterproof layer: coating hot melt adhesive on the surface of the moisture permeable layer coated fabric, covering and laminating the waterproof breathable film, and standing for curing to obtain the waterproof fabric;
s3, vamp preparation: after the waterproof fabric is coated with the filling material, cutting, stitching and molding are carried out, and the vamp is obtained after collection;
s4, composite molding: the vamp and the sole material are sewn and compounded, and the waterproof sports shoe can be prepared.
4. The method for manufacturing a waterproof sports shoe according to claim 3, wherein the viscosity of the hot melt adhesive is 9000-10000 mpa.s.
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