Polytetrafluoroethylene composite material for high-end leisure shoes

Abstract

The utility model discloses a polytetrafluoroethylene composite material for high-end leisure shoes, which comprises a bamboo charcoal fiber layer (1), a polytetrafluoroethylene film layer (3), a leather layer (5) and a water-based nano coating (6) which are sequentially arranged, and a polyurethane phase change layer (2) is arranged between the bamboo charcoal fiber layer (1) and the polytetrafluoroethylene film layer (3). And a buffer layer (4) with a pore structure is arranged between the polytetrafluoroethylene film layer (3) and the leather layer (5). The high-breathability antibacterial fabric has the advantages of being high in breathability, antibacterial, comfortable and long in service life.

Description

Technical Field

[0001] The utility model relates to a polytetrafluoroethylene composite material, in particular to a polytetrafluoroethylene composite material used for high-end casual shoes. Background Art

[0002] Shoes are daily necessities that are indispensable for human life and work. At present, the uppers sold on the market are mostly single-layer structures, often made of plastic, polymer materials or leather, cotton and other materials. Among them, plastic, polymer materials and leather have poor air permeability, and the feet are prone to sweating and difficult to discharge during wearing, which affects the wearing comfort; and although textile fabrics such as cotton have good air permeability, they have poor waterproof performance, rainwater and sewage can easily penetrate into the shoes, affecting the wearing experience, and poor wear resistance, and are prone to damage after friction with human feet or the outside world, and have a low service life. Therefore, the material used for the upper of this single-layer structure has limited functions. With the improvement of people's living standards, people have made more requirements for the comfort of shoes, such as the anti-odor, breathable and waterproof functions of shoes, and the materials with multiple structural composites in the prior art have a certain conflict in performance due to the unreasonable setting between the multiple materials and the low matching degree, which reduces the performance of the original materials. Therefore, the upper composite materials in the prior art have not yet reached the requirements of having multiple functions at the same time, and each function is more prominent. Utility Model Content

[0003] The purpose of the utility model is to provide a polytetrafluoroethylene composite material for high-end casual shoes. The utility model has the characteristics of high air permeability, antibacterial, comfort and long service life.

[0004] The technical solution of the utility model is a polytetrafluoroethylene composite material for high-end casual shoes, comprising a bamboo charcoal fiber layer, a polytetrafluoroethylene film layer, a leather layer and a water-based nano coating arranged in sequence, a polyurethane phase change layer is provided between the bamboo charcoal fiber layer and the polytetrafluoroethylene film layer, and a buffer layer with a pore structure is provided between the polytetrafluoroethylene film layer and the leather layer.

[0005] In the aforementioned polytetrafluoroethylene composite material for high-end casual shoes, the thickness of the polyurethane phase change layer is 0.1mm-1mm; the thickness of the buffer layer is 0.1mm-1mm.

[0006] In the aforementioned polytetrafluoroethylene composite material for high-end casual shoes, the polyurethane phase change layer has a wavy structure, and first micropores are provided at the crests and troughs of the polyurethane phase change layer.

[0007] In the aforementioned polytetrafluoroethylene composite material for high-end casual shoes, a plurality of buffer strips are evenly arranged in the buffer layer, adjacent buffer strips are staggered up and down, the side of the buffer strip facing the inside of the shoe is an arc surface, and a second microhole is provided in the center of the buffer strip that passes through from top to bottom, and the second microhole corresponds to the first microhole.

[0008] In the aforementioned polytetrafluoroethylene composite material for high-end casual shoes, the leather layer is an artificial leather layer, and the artificial leather layer is evenly provided with air holes, and the aperture of the air holes is 0.02-0.2mm.

[0009] In the aforementioned polytetrafluoroethylene composite material for high-end casual shoes, the leather layer is a genuine leather layer, and the genuine leather layer is a genuine leather layer that has been treated with deodorization, waterproofing and antiseptic treatment.

[0010] In the aforementioned polytetrafluoroethylene composite material for high-end casual shoes, the polytetrafluoroethylene membrane layer is a microporous membrane layer with a pore size of 0.2-50 μm.

[0011] In the aforementioned polytetrafluoroethylene composite material for high-end casual shoes, the polytetrafluoroethylene film layer is a polytetrafluoroethylene film layer that has been subjected to corona treatment.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] The utility model adopts a laminated composite structure, which is composited with a bamboo charcoal fiber layer, a polyurethane phase change layer, a polytetrafluoroethylene film layer, a buffer layer, a leather layer and a water-based nano coating; the bamboo charcoal fiber layer has the characteristics of moisture absorption and breathability, antibacterial and antibacterial, etc.; the adopted polyurethane phase change layer has a temperature regulating effect, so that the foot is kept at a more comfortable temperature and is comfortable to wear; and it can be stably composited with the bamboo charcoal fiber layer and the polytetrafluoroethylene film layer to improve the stiffness of the upper material.

[0014] The polytetrafluoroethylene film layer used has the characteristics of windproof, waterproof and moisture-permeable, and large air permeability; the buffer layer can alleviate impact force and improve pressure resistance; and the pore structure of the buffer layer will not affect the waterproof and breathable properties of the polytetrafluoroethylene film layer in the composite material; the leather layer used has an elegant appearance, is dirt-resistant, wear-resistant and has good air permeability; the water-based nano coating used is colorless and transparent, and has waterproof, breathable, anti-fouling and wear-resistant properties. It can maintain the soft texture of the leather layer and effectively prevent the leather layer from getting damp, moldy and spotted. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of the utility model.

[0016] Figure 2 It is a schematic diagram of the structure of the polyurethane phase change layer.

[0017] Figure 3It is a schematic diagram of the structure of the buffer layer.

[0018] Figure 4 It is a structural diagram of the buffer bar.

[0019] The markings in the attached drawings are: 1. bamboo charcoal fiber layer; 2. polyurethane phase change layer; 21. first micropore; 3. polytetrafluoroethylene film layer; 4. buffer layer; 41. buffer strip; 42. second micropore; 5. leather layer; 6. water-based nano coating. DETAILED DESCRIPTION

[0020] The present invention is further described below in conjunction with the accompanying drawings and embodiments, but they are not intended to limit the present invention.

[0021] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0022] Example:

[0023] like Figure 1-Figure 4 As shown, a polytetrafluoroethylene composite material for high-end casual shoes includes a bamboo charcoal fiber layer 1, a polytetrafluoroethylene film layer 3, a leather layer 5 and a water-based nano coating 6 arranged in sequence, a polyurethane phase change layer 2 is provided between the bamboo charcoal fiber layer 1 and the polytetrafluoroethylene film layer 3, and a buffer layer 4 with a porous structure is provided between the polytetrafluoroethylene film layer 3 and the leather layer 5.

[0024] The utility model adopts a laminated composite structure, which is composited with a bamboo charcoal fiber layer 1, a polyurethane phase change layer 2, a polytetrafluoroethylene film layer 3, a buffer layer 4, a leather layer 5 and a water-based nano coating 6; the bamboo charcoal fiber layer 1 is close to the human body, has the characteristics of moisture absorption and breathability, antibacterial and antibacterial, and plays a good role in sweat absorption and deodorization, so that the inside of the shoe is kept dry and refreshing; the adopted polyurethane phase change layer 2 has a temperature regulating function, can change according to the temperature of the human foot, absorb heat or release heat within a specific temperature range, thereby regulating the temperature environment inside the shoe, so that the foot is maintained at a more comfortable temperature, and is comfortable to wear; and can be stably composited with the bamboo charcoal fiber layer 1 and the polytetrafluoroethylene film layer 3, so as to improve the stiffness of the upper material.

[0025] The porosity of the polytetrafluoroethylene film layer 3 is above 88%, and it has the characteristics of windproof, waterproof and breathable, and large air permeability. The buffer layer 4 can alleviate the impact force and improve the compressive resistance; and the pore structure of the buffer layer 4 will not affect the waterproof and breathable performance of the polytetrafluoroethylene film layer 3 in the composite material; the leather layer 5 is elegant in appearance, dirt-resistant, wear-resistant and has good air permeability; the water-based nano coating 6 is colorless and transparent, with extremely low surface tension, and has waterproof, breathable, anti-fouling and wear-resistant properties, which can maintain the soft texture of the leather layer 5, and effectively prevent the leather layer 5 from getting damp, moldy and spotting, making it easier to clean and prolonging the service life of the composite material; the water-based nano coating 6 uses a nano zinc oxide water-based coating, which has the characteristics of ultraviolet protection, antibacterial and anti-pollution.

[0026] The thickness of the polyurethane phase change layer 2 is 0.1 mm-1 mm; the thickness of the buffer layer 4 is 0.1 mm-1 mm. The polyurethane phase change layer 2 is a PEG type polyurethane phase change layer 2. The buffer layer 4 is an EVA buffer layer 4.

[0027] The polyurethane phase change layer 2 has a wavy structure, and first micropores 21 are provided at the wave crests and wave troughs of the polyurethane phase change layer 2 .

[0028] A plurality of buffer strips 41 are evenly arranged in the buffer layer 4, and adjacent buffer strips 41 are staggered up and down. The side of the buffer strip 41 facing the inside of the shoe is an arc surface, which fits the instep of the human body better. The center of the buffer strip 41 is provided with a second micro hole 42 that passes through from top to bottom, and the second micro hole 42 corresponds to the first micro hole 21. The first micro hole 21 and the second micro hole 42 are arranged to correspond to each other, and the air flow is strong, which effectively enhances the air permeability of the composite material, and the design of the buffer strip 41 improves the strength and support strength of the buffer layer 4.

[0029] The leather layer 5 is an artificial leather layer, and ventilation holes are evenly arranged on the artificial leather layer, and the aperture of the ventilation holes is 0.02-0.2 mm.

[0030] The leather layer 5 is a genuine leather layer, and the genuine leather layer is a genuine leather layer that has been treated with deodorization, waterproofing, and antiseptic treatment.

[0031] The polytetrafluoroethylene membrane layer 3 is a microporous membrane layer with a pore size of 0.2-50 μm.

[0032] The polytetrafluoroethylene film layer 3 is a corona-treated polytetrafluoroethylene film layer 3. After the corona treatment, the surface roughness of the polytetrafluoroethylene film layer 3 increases, the surface tension increases, and the bonding performance is improved, so that the bonding strength between the polytetrafluoroethylene film layer 3 and other layers is high and not easy to separate.

[0033] The parts not described in detail in the present invention are prior art and thus will not be described in detail here.

Claims

1. Polytetrafluoroethylene composite materials for high-end casual shoes, characterized by: The invention comprises a bamboo charcoal fiber layer (1), a polytetrafluoroethylene film layer (3), a leather layer (5) and a water-based nano coating (6) which are arranged in sequence; a polyurethane phase change layer (2) is arranged between the bamboo charcoal fiber layer (1) and the polytetrafluoroethylene film layer (3); and a buffer layer (4) having a pore structure is arranged between the polytetrafluoroethylene film layer (3) and the leather layer (5).

2. The polytetrafluoroethylene composite material for high-end casual shoes according to claim 1, characterized in that: The thickness of the polyurethane phase change layer (2) is 0.1 mm-1 mm; the thickness of the buffer layer (4) is 0.1 mm-1 mm.

3. The polytetrafluoroethylene composite material for high-end casual shoes according to claim 1, characterized in that: The polyurethane phase change layer (2) has a wavy structure, and first micropores (21) are provided at both the wave crests and wave troughs of the polyurethane phase change layer (2).

4. The polytetrafluoroethylene composite material for high-end casual shoes according to claim 1, characterized in that: A plurality of buffer strips (41) are evenly arranged in the buffer layer (4), and adjacent buffer strips (41) are staggered in an up-and-down manner. The side of the buffer strip (41) facing the inside of the shoe is an arc-shaped surface. A second micropore (42) penetrating up and down is arranged in the center of the buffer strip (41), and the second micropore (42) corresponds to the first micropore (21).

5. The polytetrafluoroethylene composite material for high-end casual shoes according to claim 1, characterized in that: The leather layer (5) is an artificial leather layer (5), and ventilation holes are evenly arranged on the artificial leather layer (5), and the aperture of the ventilation holes is 0.02-0.2 mm.

6. The polytetrafluoroethylene composite material for high-end casual shoes according to claim 1, characterized in that: The leather layer (5) is a genuine leather layer, and the genuine leather layer is a genuine leather layer that has been treated with deodorization, waterproofing and antiseptic treatment.

7. The polytetrafluoroethylene composite material for high-end casual shoes according to claim 1, characterized in that: The polytetrafluoroethylene membrane layer (3) is a microporous membrane layer with a pore size of 0.2-50 μm.

8. The polytetrafluoroethylene composite material for high-end casual shoes according to claim 1, characterized in that: The polytetrafluoroethylene film layer (3) is a polytetrafluoroethylene film layer (3) that has been subjected to corona treatment.

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