Nanometer new material composite functional fabric
By using a nano-waterproof and high-breathable layer of modified tetrafluoroethylene nano-polymer heteroporous film in the functional fabric of the windbreaker, the problem that existing fabrics are difficult to take into account between waterproofness and breathability, and the excellent waterproof and breathable function is achieved , improves the usage experience.
Patent Information
- Application Number
- CN202420096271.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-01-15
- Publication Date
- 2025-02-25
- Estimated Expiration
- 2034-01-15
AI Technical Summary
The existing functional fabric of windbreaker clothing is difficult to take into account both waterproofness and breathability, which makes it uncomfortable to take, especially after a large amount of exercise, sweat cannot be discharged in time, affecting the consumption experience.
Modified tetrafluoroethylene nano-polymer heteroporous film is used as the nano-waterproof and high breathable layer. By modifying the film surface of nano-tetrafluoroethylene material, more than one billion distinct micropores per square centimeter are formed to ensure that Air molecules pass through but water droplets cannot pass through.
It realizes excellent waterproof and breathable function, ensuring that the fabric balances waterproofness and breathability, avoids stuffy and humid phenomena, and improves the comfort and consumption experience of the jacket.
Smart Images
Figure CN222522229U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of textiles, in particular to a nano new material composite functional fabric. Background Art
[0002] Most of the existing mid-to-high-end functional fabrics for jackets are made of waterproof and breathable films made of different materials such as TPU (thermoplastic polyurethane) / PU (polyurethane) / two-component PTFE (polytetrafluoroethylene). The use of these waterproof materials gives the fabrics a certain degree of waterproofness and moisture permeability (evaporation of water vapor), but they cannot have the normal pressure convection performance of normal temperature gas, that is, breathability (a very small number of imported high-end materials have only moderate breathability). As a result, jackets made of such fabrics often feel stuffy and uncomfortable when actually worn, especially after high-intensity exercise, when human sweat cannot be discharged quickly and promptly, resulting in damp and cold outdoor conditions, which greatly affects consumers' wearing experience.
[0003] For a long time, waterproof materials have been in a contradictory and difficult situation in terms of the two functional indicators of waterproofness and breathability, and there has been a stagnation in theory, material and process research and development in order to achieve the "double high" indicators (high water pressure: determines waterproof performance, high breathability: determines comfort performance). As a result, the pain points of consumers' hot and humid jackets and clothing have not been resolved.
[0004] Based on the above market background, a new nano-material composite functional fabric for jackets is proposed to solve the pain points of consumers in wearing, while enhancing the company's product innovation and increasing the economic added value of the products. Utility Model Content
[0005] The utility model provides a nano new material composite functional fabric, aiming to solve the existing problems.
[0006] The utility model is implemented as follows: a nano new material composite functional fabric, the nano new material composite functional fabric comprises: a body, the body comprises a surface cloth layer, the inner surface of the surface cloth layer is provided with a nano waterproof and highly breathable layer, the material of the nano waterproof and highly breathable layer is a modified tetrafluoroethylene nano polymer heteroporous film, an upper adhesive layer is provided between the surface cloth layer and the nano waterproof and highly breathable layer, a moisture conductive and warm-keeping base layer is provided on a side of the nano waterproof and highly breathable layer away from the surface cloth layer, a lower adhesive layer is provided between the moisture conductive and warm-keeping base layer and the nano waterproof and highly breathable layer, the surface of the modified tetrafluoroethylene nano polymer heteroporous film can reach more than one billion heteromorphic micropores per square centimeter, and the diameter of the micropores is smaller than the diameter of water molecules and larger than air molecules at normal pressure.
[0007] Preferably, the modified tetrafluoroethylene nano-polymer heteroporous film has a heteroporous structure formed by laminating a multilayer structure on the membrane surface of modified nano-tetrafluoroethylene material.
[0008] Preferably, the upper adhesive layer and the lower adhesive layer are both made of hot melt adhesive and are coated by a round roller dispensing method, with the number of adhesive dots per square inch being greater than 2500.
[0009] Preferably, the modified tetrafluoroethylene nano-polymer heteroporous film has a film thickness of 0.006-0.012 mm.
[0010] Preferably, an anti-fouling layer is bonded to the outer surface of the surface fabric layer by hot-melt adhesive, and the anti-fouling layer is a composite layer of nano silicon dioxide and nano titanium dioxide.
[0011] Compared with the prior art, the beneficial effects of the utility model are:
[0012] This new nano-material composite functional fabric has a multi-layer laminated heteroporous structure on the membrane surface of modified nano-tetrafluoroethylene material, so that the surface of the modified tetrafluoroethylene nano-polymer heteroporous film can reach more than one billion heteromorphic micropores per square centimeter with diameters smaller than that of water molecules and larger than air molecules at normal pressure, allowing air molecules to pass through but water droplets to prevent them from passing through. This microporous structure can achieve excellent waterproof and breathable functions. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.
[0014] Figure 1 It is a schematic cross-sectional structure diagram of Embodiment 1 of the present utility model;
[0015] Figure 2 It is a schematic cross-sectional structure diagram of Example 2 of the present utility model.
[0016] The numbers in the accompanying drawings are: 1-main body, 11-surface fabric layer, 12-upper fabric adhesive layer, 13-nano waterproof and highly breathable layer, 14-lower adhesive layer, 15-moisture-conducting and warm-keeping base layer, 16-antifouling layer. DETAILED DESCRIPTION
[0017] In order to more fully understand the technical content of the utility model, the technical solution of the utility model is further introduced and illustrated in conjunction with specific embodiments below, but it is not limited to this. The technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is only a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without making creative work are within the scope of protection of the utility model.
[0018] In the description of the embodiments of the present utility model, it should be noted that if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate an orientation or position relationship based on the orientation or position relationship shown in the accompanying drawings, or the orientation or position relationship in which the utility model product is usually placed when in use, it is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", "third", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.
[0019] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be connected, detachably connected, or integrated; it can be mechanically connected or electrically connected; it can be directly connected or indirectly connected through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0020] Example 1
[0021] refer to Figure 1The nano new material composite functional fabric comprises: a body 1, the body 1 comprises a surface fabric layer 11, an upper adhesive layer 12, a nano waterproof and highly breathable layer 13, a lower adhesive layer 14 and a moisture-conducting and heat-insulating base layer 15, the inner surface of the surface fabric layer 11 is provided with a nano waterproof and highly breathable layer 13, the material of the nano waterproof and highly breathable layer 13 is a modified tetrafluoroethylene nano polymer heteroporous film, through the multi-layer laminated heteroporous structure of the modified nano tetrafluoroethylene film surface, the film layer thickness is 0.006-0.012mm, the film surface can reach more than one billion heteromorphic micropores per square centimeter, effectively preventing the passage of water molecules and ensuring the free convection of air molecules (commonly known as The present invention relates to a waterproof and breathable fabric, wherein the surface fabric 11 is provided with an upper adhesive layer 12 between the surface fabric layer 11 and the nano waterproof and highly breathable layer 13, and the upper adhesive layer 12 is used for connecting and bonding the surface fabric layer 11 and the nano waterproof and highly breathable layer 13; a moisture conductive and thermal insulation base layer 15 is provided on a side of the nano waterproof and highly breathable layer 13 away from the surface fabric layer 11; a lower adhesive layer 14 is provided between the moisture conductive and thermal insulation base layer 15 and the nano waterproof and highly breathable layer 13, and the lower adhesive layer 14 is used for bonding the moisture conductive and thermal insulation base layer 15 and the nano waterproof and highly breathable layer 13; both the upper adhesive layer 12 and the lower adhesive layer 14 are made of hot melt adhesive and are coated by a round roller dispensing method, and the number of adhesive dots per square inch is greater than 2500.
[0022] Example 2
[0023] refer to Figure 2 The difference from Example 1 is that the outer surface of the surface cloth layer 11 of the nano new material composite functional fabric is bonded with an anti-fouling layer 16 by hot melt adhesive. The anti-fouling layer 16 adopts a composite layer of nano silicon dioxide and nano titanium dioxide. The nano silicon dioxide and nano titanium dioxide have excellent oil resistance and antibacterial ability through modification, and can effectively resist oil from penetrating into the surface cloth layer 11.
[0024] Working principle: process sequence: the surface fabric layer 11 is compounded with the modified nano waterproof and highly breathable layer 13 by hot melt adhesive, left to stand for heat preservation, compounded with the moisture conductive and warm base layer 15 by hot melt adhesive, compounded with the antifouling layer 16 by hot melt adhesive, left to stand for aging and compounding, and the finished product is obtained. A modified tetrafluoroethylene nano-polymer heteroporous film is used, and a multi-layer laminated heteroporous structure is formed on the membrane surface of the modified nano-tetrafluoroethylene material. The membrane layer thickness is 0.006-0.012mm. The membrane surface can have more than one billion heteromorphic micropores per square centimeter. The diameter of each micropore is hundreds of times smaller than the diameter of a water molecule (20μm-100μm) and tens of thousands of times larger than a normal pressure air molecule (0.0003μm-0.0004μm), so that air molecules can pass through while water droplets cannot. This microporous structure can achieve excellent waterproof and breathable functions. The processed empowered fabric is the preferred fabric that meets the requirements of assault clothing. In addition, the anti-fouling layer 16 can effectively resist the penetration of oil stains into the surface fabric layer 11, thereby improving the anti-fouling and dirt resistance of the fabric body 1.
[0025] The embodiments described above are only part of the embodiments of the present invention, but the protection scope of the present invention is not limited thereto. Any ordinary technician in the field can make equivalent substitutions or changes within the technical scope disclosed by the present invention according to the technical solution and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.
Claims
1. A nano new material composite functional fabric, characterized in that: The nano new material composite functional fabric comprises: a body (1), the body (1) comprises a surface fabric layer (11), the inner surface of the surface fabric layer (11) is provided with a nano waterproof and highly breathable layer (13), the material of the nano waterproof and highly breathable layer (13) is a modified tetrafluoroethylene nano polymer heteroporous film, an upper adhesive layer is provided between the surface fabric layer (11) and the nano waterproof and highly breathable layer (13), a moisture conductive and warm-keeping base layer (15) is provided on a side of the nano waterproof and highly breathable layer (13) away from the surface fabric layer (11), and a lower adhesive layer (14) is provided between the moisture conductive and warm-keeping base layer (15) and the nano waterproof and highly breathable layer (13), and the surface of the modified tetrafluoroethylene nano polymer heteroporous film can reach more than one billion heteromorphic micropores per square centimeter, and the diameter of the micropores is smaller than the diameter of water molecules and larger than that of air molecules at normal pressure.
2. The nano new material composite functional fabric according to claim 1, characterized in that: The modified tetrafluoroethylene nano-polymer heteroporous film has a multi-layer heteroporous structure formed by laminating the membrane surface of modified nano-tetrafluoroethylene material.
3. The nano new material composite functional fabric according to claim 1, characterized in that: The upper adhesive layer and the lower adhesive layer (14) are both made of hot melt adhesive and are coated by a round roller dispensing method, with the number of adhesive dots per square inch being greater than 2500.
4. The nano new material composite functional fabric according to claim 1, characterized in that: The modified tetrafluoroethylene nano-polymer heteroporous film has a film thickness of 0.006-0.012 mm.
5. The nano new material composite functional fabric according to claim 1, characterized in that: The outer surface of the surface cloth layer (11) is bonded with an anti-fouling layer (16) by hot-melt adhesive, and the anti-fouling layer (16) is a composite layer of nano silicon dioxide and nano titanium dioxide.