Waterproof and breathable fabric, forming method and outdoor jacket

Abstract

The invention discloses a waterproof and breathable fabric, a forming method and an outdoor jacket, and the waterproof and breathable fabric comprises a shell fabric layer which is configured to be a shell fabric layer with a waterproof coating; the spinning breathable layer is configured to be a hydrophobic non-swelling spinning breathable layer; the spinning breathable layer comprises at least 80 fiber microlayers, each fiber microlayer comprises a plurality of nano-scale fiber filaments, and the fiber filaments form a layered structure in an electrostatic adsorption mode and are staggered to form pores with irregular pore diameters; the thickness of the spinning breathable layer is not less than 30 microns; the lining layer is glued with the spinning breathable layer; the glue point layer is used for respectively bonding the surface cloth layer and the lining cloth layer on the upper surface and the lower surface of the spinning breathable layer; according to the waterproof and breathable fabric, the forming method and the outdoor jacket, the problems that an existing waterproof and breathable fabric is prepared from a fluorine-containing hydrophilic swelling coating, the risk of harming body health exists, the fabric is not environmentally friendly, and the surface of the fabric is prone to wrinkling are solved.

Description

Technical Field

[0001] The invention relates to the field of fabric production and manufacturing, and in particular to a waterproof and breathable fabric, a molding method and a jacket. Background Art

[0002] As people's demand for quality of life increases, the functional requirements for clothing fabrics are no longer simply for keeping warm, but more for breathability, waterproofness, and UV protection. For example, when exercising, you need to wear sportswear with good breathability, otherwise the body heat will not be easily dissipated, and heat stroke will easily occur after the body temperature and blood oxygen rise. Outdoors or on rainy days, it is difficult for external rainwater to quickly penetrate into the inside of the clothes, so going out for fun requires good breathability and UV protection.

[0003] Therefore, the existing waterproof and breathable fabrics have attracted wide attention and are applied to various types of clothing, especially outdoor and sports shoes and clothing, the most widely used of which is the jacket;

[0004] However, most of the existing fabrics that claim to have waterproof and breathable functions are just changing the concept. What they can really achieve is waterproof and vapor permeability. This "vapor permeability" refers to steam molecules, not air molecules. Steam molecules are at least dozens of times smaller than air molecules. The "breathable fabrics" found in the experiment can only be "vapor permeable" but not truly "breathable"; more importantly, the existing vapor permeable fabrics use a glue layer called polytetrafluoroethylene to achieve vapor permeability. After spraying on clothing, a hydrophilic swollen film layer (glue layer) is formed. First of all, polytetrafluoroethylene has been restricted and banned by the industry due to uncontrollable factors (i.e., it will release toxic particles under high temperature or special environment) and is easy to irritate the skin and eyes; secondly, the vapor permeability of this hydrophilic swollen film layer is actually to make the body's After sweat and hot steam penetrate into the hydrophilic and swollen membrane layer, the hydrophilic property absorbs these water vapor molecules, causing the colloidal molecules in the membrane layer to expand (similar to the water-absorbing beads of baby diapers). After the sweat is adsorbed and expanded, the external air or wind will take away the water vapor. This process is similar to the process of absorbing and squeezing water, which shrinks and discharges after expansion. In this process, only small molecules of water vapor can be squeezed, and the efficiency of absorbing and discharging steam is low, which is also a stuffy state; more importantly, the fabric is driven to bulge and deform during the expansion process, causing the entire surface to deform and wrinkle, affecting the overall aesthetics of the entire garment. Therefore, the garment is generally covered with a layer of fabric, but the covered part affects the exhaust effect. Although it is slightly more breathable than traditional fabrics, it still cannot achieve a truly breathable effect.

[0005] In summary, the existing breathable fabrics need to be further improved. Summary of the invention

[0006] The purpose of the present invention is to overcome the above-mentioned defects or problems existing in the background technology, and to provide a waterproof and breathable fabric, a molding method and a jacket, which have a simple structure, simple manufacture, easy implementation and low cost, and solve the problem that the existing waterproof and breathable fabric is prepared by using a fluorine-containing and hydrophilic swelling coating, which not only poses a risk to health and is not environmentally friendly, but also the surface of the fabric is prone to wrinkling.

[0007] To achieve the above object, the present invention adopts the following technical solution:

[0008] A waterproof and breathable fabric, comprising: a surface fabric layer, a spun breathable layer, a glue point layer and a lining fabric layer;

[0009] a face fabric layer configured as a face fabric layer having a waterproof coating;

[0010] A spun breathable layer, which is configured as a hydrophobic and non-swelling spun breathable layer; the spun breathable layer comprises at least 80 fiber microlayers, each of which comprises a number of nano-scale fiber filaments, each of which forms a layered structure by electrostatic adsorption and interlaced to form pores with irregular pore sizes; the fiber filaments of each fiber microlayer are interlaced and stacked to form the spun breathable layer, and the thickness of the spun breathable layer is not less than 30 microns;

[0011] A lining layer, which is bonded to the spun breathable layer;

[0012] The glue point layer is used to bond the surface fabric layer and the lining fabric layer to the upper and lower surfaces of the spun breathable layer respectively; the glue point layer includes a plurality of dot-shaped colloids; each of the colloids is distributed between the spun breathable layer and the surface fabric layer and the lining fabric layer at intervals, so that the surface fabric layer, the spun breathable layer and the lining fabric layer are bonded together.

[0013] Furthermore, the pores formed on each of the fiber microlayers are 0.3-4 microns, and the pores on a single fiber microlayer account for more than 50%.

[0014] Furthermore, the fiber filaments on each of the fiber microlayers are any one of nylon, polyurethane, polyimide, polyethersulfone, and polyetheretherketone, or a combination of two thereof.

[0015] Furthermore, the spunbond air-permeable layer is configured as a spunbond air-permeable layer formed by interlacing and stacking 120-200 fiber microlayers through electrostatic adsorption.

[0016] Furthermore, the surface fabric layer includes a liquid stain resistant coating and a base fabric, wherein the liquid stain resistant coating is attached to a side of the base fabric away from the spinning breathable layer, and a calendered surface layer is formed on a side of the base fabric close to the spinning breathable layer.

[0017] A method for forming a waterproof and breathable fabric, the method comprising the following steps:

[0018] Step 1: Use woven fabric as the base fabric, and then evenly apply a layer of liquid stain-resistant coating on its surface through a rubber roller;

[0019] Step 2: The base fabric coated with the liquid stain resistant coating is pressed by a pressing roller to form a calendered surface layer on the lower surface of the base fabric, and then rolled up to form a surface fabric layer roll;

[0020] Step 3: Roll the surface treated surface fabric layer onto a roll frame and install it on the automatic unwinding device of the laminating machine;

[0021] Step 4: nylon or polyurethane is sprayed onto a carrier in a liquid or molten state through a plurality of nozzles, and the sprayed nylon or polyurethane is adsorbed and shaped on the carrier by electrostatic adsorption, and stacked to form an irregular spinning breathable layer; the spinning breathable layer includes a stacked layer number of not less than 80 fiber microlayers, and each fiber microlayer has pores accounting for more than 50% of the total area, and the stacking is staggered and then dried and shaped to form a spinning breathable layer with a thickness of more than 30 microns;

[0022] Step 5: Roll up the spun breathable layer and place it on a roller frame to be glued with the surface fabric layer later;

[0023] Step 6: Pull the surface fabric layer to the laminating rubber roller after passing through the tensioning roller, so that the fabric surface tension is greater than 95%, the winding pressure is not less than 0.05kg, and the winding tension is greater than 6.5kg;

[0024] Step 7: The mesh glue roller is heated to 90-120 degrees, and the melter is heated to 110-140 degrees; the spinning breathable layer is pulled to the mesh glue roller, and the glue is attached to the spinning breathable layer in the form of drops through the glue-dispensing mesh holes arranged at intervals on the mesh glue roller, so that a number of dot-shaped colloids are distributed at intervals on the spinning breathable layer; then the glue is transferred to the laminating roller opposite to the mesh glue roller, and the spinning breathable layer is extruded and glued with the calendered surface of the surface cloth layer, and rolled up after gluing;

[0025] Step 8: Transfer to a curing room for curing, allowing the bonded surface fabric layer and the spun breathable layer to cure for at least 24 hours at a temperature of 30-35 degrees and a humidity of 50-60%, and then compound with the lining layer;

[0026] Step 9: The spun breathable layer glued to the surface fabric layer is also glued by a mesh glue roller, and then pressed against the lining fabric layer made of knitted fabric by the laminating roller to form a waterproof and breathable fabric;

[0027] Step 10: Transfer the formed waterproof and breathable fabric to the aging room for aging, and allow it to mature in an environment with a temperature of 30-35 degrees and a humidity of 50-60% for at least 24 hours.

[0028] Furthermore, in step 7, the pressure of the mesh-type glue-coating roller is 3-6 kg, and the pressure of the laminating roller is 4-5 kg; and the gap between the mesh-type glue-coating roller and the laminating roller is 0.2 mm.

[0029] Furthermore, the pressure of the glue groove in the mesh-type glue roller is 3kg; wherein, 5408D glue is selected, heated to 110-135 degrees, and the initial viscosity of the colloid is 2300-2550.

[0030] A jacket comprises a body, sleeves, a collar and a cap; the characteristics are that the body, sleeves, collar and cap are all made of the waterproof and breathable fabric.

[0031] From the above description of the present invention, it can be seen that compared with the prior art, the present invention has the following beneficial effects:

[0032] The present invention provides a waterproof and breathable fabric, a molding method and a jacket, which have a simple structure, are easy to manufacture, easy to implement and have low cost. The present invention breaks the traditional hydrophilic swelling method and adopts a hydrophobic non-swelling basic structure to prepare the fabric. At least 80 layers of fiber microlayers are interlaced and adhered in an electrostatic adsorption manner in the fabric, so that irregular pores are formed between the spinning breathable layers, and air molecules can pass through these pores, that is, body heat and sweat can pass through the tiny pores, so as to achieve a breathable effect. Since the tiny air molecules are blown away by the external wind during the process of passing through, a real breathable effect is achieved, and the entire surface is flat and wrinkle-free, and the waterproof function is achieved by the waterproof coating. Because the water molecules are large, they have been blown away by the external wind when they are outside. The invention discloses a kind of air permeable layer, and the surface cloth layer and the lining cloth layer are respectively spun and breathable, and the glue point layer is glued, and a plurality of point-shaped colloids are distributed at intervals, so that the air flow to the spun breathable layer is not blocked; in addition, the nanometer-scale fiber filaments of the invention are hydrophobic fiber filaments, which do not absorb sweat, other water stains, etc., and the air is exchanged quickly after wearing, so that the whole interior is comfortable and not stuffy, and the sweat and the like are quickly discharged, and it can also prevent dust and odor, especially for workers in high-dust workshops and people with body odor (such as body odor), the sweat produced by the sweat glands can be quickly discharged, and dust particles cannot enter the inside of the clothing, and the air permeability is good. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0034] Figure 1It is a schematic diagram of the three-dimensional structure of the spinning air-permeable layer of the present invention.

[0035] Figure 2 This is a schematic diagram of the three-dimensional decomposition structure of the waterproof and breathable fabric of the present invention;

[0036] Figure 3 is a cross-sectional view of the waterproof and breathable fabric of the present invention;

[0037] Figure 4 This is a diagram showing the ventilation principle of the waterproof and breathable fabric of the present invention;

[0038] Figure 5 The present invention is a flowchart of the method for forming the waterproof and breathable fabric. DETAILED DESCRIPTION

[0039] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are preferred embodiments of the present invention and should not be regarded as excluding other embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0040] In the claims, description and drawings of the present invention, unless otherwise clearly defined, the use of terms such as "first", "second" or "third" etc. are intended to distinguish different objects rather than to describe a specific order.

[0041] In the claims, specification and the above-mentioned drawings of the present invention, unless otherwise explicitly defined, directional words, such as the use of terms such as "center", "lateral", "longitudinal", "horizontal", "vertical", "top", "bottom", "inside", "outside", "up", "down", "front", "back", "left", "right", "clockwise", "counterclockwise" and the like to indicate directions or positional relationships are based on the directions and positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific direction or be constructed and operated in a specific direction, and therefore cannot be understood as limiting the specific protection scope of the present invention.

[0042] In the claims, specification and the above drawings of the present invention, unless otherwise clearly defined, if the term "fixed connection" or "fixed connection" is used, it should be understood in a broad sense, that is, any connection method without a displacement relationship and relative rotation relationship between the two parties, that is to say, including non-detachable fixed connection, detachable fixed connection, integrated connection and fixed connection through other devices or elements.

[0043] In the claims, description and drawings of the present invention, if the terms "include", "have" and their variations are used, they are intended to mean "including but not limited to".

[0044] See also Figure 1-4 The waterproof and breathable fabric of the present invention can be used in the field of shoes and clothing, outdoor products, etc., especially sportswear, outdoor jackets, tents, awnings, etc.;

[0045] The waterproof and breathable fabric mainly comprises: a surface fabric layer 1, a spun breathable layer 2, a glue point layer 3 and a lining fabric layer 4; wherein:

[0046] The surface fabric layer 1 is configured as a surface fabric layer 1 having a waterproof coating; in this embodiment, the surface fabric layer 1 includes a liquid stain resistant coating 11 and a base fabric 12;

[0047] The liquid stain resistant coating 11 in this embodiment is a coating containing organic silicon compounds or paraffin or beeswax attached to the base fabric 12, and is on the side away from the spinning breathable layer 2, so that a uniform hydrophobic film is formed on the surface of the base fabric 12, making it difficult for water molecules to adhere to and penetrate, and a calendered surface layer 13 is formed on the side of the base fabric 12 close to the spinning breathable layer 2. This calendered surface layer 13 is formed when the liquid stain resistant coating 11 is applied and pressure-formed with the base fabric 12, mainly to prevent the subsequent glue dot layer 3 from penetrating too much into the base fabric 12 when it is dotted.

[0048] a spunbond air-permeable layer 2 configured as a hydrophobic, non-swelling spunbond air-permeable layer 2;

[0049] In this embodiment, the spun breathable layer 2 includes at least 80 layers of fiber microlayers 21, preferably more than 120 layers of fiber microlayers 21; it should be noted that the fiber filaments on the fiber microlayer 21 are made of any one or a combination of two of nylon, polyurethane, polyimide, polyethersulfone, and polyetheretherketone, and the present invention uses nano-scale polyurethane as an example;

[0050] During preparation, the carrier is set to a vertical state, and the carrier absorbs the nanofiber filaments 21 sprayed onto the carrier by electrostatic adsorption. Dozens of nozzles are set relative to the carrier, and the molten nano-scale polyurethane is sprayed irregularly through the nozzles at the same time. After adsorption, a filamentary staggered stacking effect is formed, and each of the fiber filaments 21 forms a layered structure by electrostatic adsorption and staggered to form pores 22 with irregular pore sizes. After stacking to 120 layers, the spinning breathable layer 2 is formed. The thickness of the formed spinning breathable layer 2 is not less than 30 microns. In this embodiment, the pores 22 on the single-layer fiber microlayer 21 account for more than 50%, that is, the sum of the areas of the pores 22 is greater than 50% of the total area of ​​the single-layer fiber microlayer 21; after stacking, it is removed from the carrier for drying and shaping;

[0051] The lining layer 4 is glued to the spun breathable layer 2; the lining layer 4 in this embodiment is made of knitted fabric and is glued to the spun breathable layer 2 through the glue point layer 3;

[0052] The glue point layer 3 is used to bond the surface fabric layer 1 and the lining fabric layer 4 to the upper and lower surfaces of the spun breathable layer 2 respectively; the glue point layer 3 is made of a mixture of a matrix resin, an antioxidant and a tackifying resin material, and has good bonding performance and physical properties after hot melting; the tackifying resin increases the viscosity of the hot melt adhesive, improves the wetting and adhesion ability to different materials, and improves the initial adhesion and the lasting adhesion;

[0053] The glue point layer 3 includes a plurality of dot-shaped colloids 31; each of the colloids 31 is distributed at intervals between the spinning breathable layer 2 and the surface fabric layer 1 and the lining fabric layer 4, so that the surface fabric layer 1, the spinning breathable layer 2 and the lining fabric layer 4 are glued together.

[0054] More specifically, the spun breathable layer 2 is configured as a spun breathable layer 2 formed by 120-200 layers of fiber microlayers 21 stacked alternately by electrostatic adsorption. Within this number of layers, the spun breathable layer 2 has the best air permeability and toughness, and the pores 22 are not easily compressed and blocked.

[0055] In addition, a dust-proof coating may be provided on the liquid stain-resistant coating 11 of the surface fabric layer 1, and used in high-dust workshops to effectively block dust from entering the interior of the clothing.

[0056] The jacket described in this embodiment is illustrated as an example, wherein the jacket body, sleeves, collar and hood are all made of the waterproof and breathable fabric; the molding method comprises the following steps: Figure 1-5 As shown;

[0057] Step 1: Select woven fabric as base fabric 12, and then evenly apply a layer of liquid stain resistant coating 11 on its surface by rolling glue with a rubber roller, that is, apply organic silicon compound or paraffin wax, beeswax on the surface of base fabric 12 to form a coating on its surface. This coating can effectively resist water molecules and dust, but air molecules can pass through because air molecules are smaller than water molecules and dust particles;

[0058] Step 2: The base fabric 12 coated with the liquid stain resistant coating 11 is pressed by a pressing roller to shape the surface fabric layer 1 and form a calendered surface layer 13 on the lower surface of the base fabric 12, and then rolled up to form a surface fabric layer 1 roll;

[0059] Step 3: Roll the surface-treated surface fabric layer 1 onto a roll frame and install it on the automatic unwinding device of the laminating machine;

[0060] Step 4: nylon or polyurethane is sprayed onto a carrier in a liquid or molten state through a plurality of nozzles, and the carrier absorbs and shapes the sprayed nylon or polyurethane by electrostatic adsorption, and stacks to form an irregular spinning air-permeable layer 2;

[0061] The spun breathable layer 2 comprises at least 80 stacked fiber microlayers 21 (preferably 120 layers), and each fiber microlayer 21 has pores 22 that account for more than 50% of the total area, and is staggered and sprayed and then dried and shaped to form a spun breathable layer 2 with a thickness of more than 30 microns;

[0062] Step 5: Roll up the spun breathable layer 2 and place it on a roller frame to be glued to the surface fabric layer 1 later;

[0063] Step 6: Pull the surface fabric layer 1 through the tensioning roller to the laminating rubber roller, so that the fabric surface tension is greater than 95%, the winding pressure is not less than 0.05kg, and the winding tension is greater than 6.5kg;

[0064] Step 7: Heat the mesh glue roller to 90-120 degrees, and the glue melter to 110-140 degrees;

[0065] The spinning air-permeable layer is pulled to the mesh-type glue roller, and glue is applied to the spinning air-permeable layer 2 through the glue-application mesh holes arranged at intervals on the mesh-type glue roller, so that a plurality of glue dots 31 are distributed at intervals on the spinning air-permeable layer 2; it should be noted here that the surface of the mesh-type glue roller has a glue infiltration port, and a certain amount of glue is exuded from the surface of the mesh-type glue roller by pressurizing the inside of the mesh-type glue roller, and the spinning air-permeable layer 2 is attached to the surface thereof to form glue dots 31; in this embodiment, the pressure of the glue groove in the mesh-type glue roller is 3kg; wherein, 5408D glue is selected, heated to 110-135 degrees, and the initial viscosity of the glue 31 is 2300-2550;

[0066] Then, the spinning breathable layer is transferred to the bonding roller opposite to the mesh type glue roller, that is, the pressure of the mesh type glue roller is 3-6kg, and the pressure of the bonding roller is 4-5kg; and the gap between the mesh type glue roller and the bonding roller is 0.2mm, and the spinning breathable layer 2 is extruded and bonded with the calendered surface of the surface fabric layer 1, and then rolled up after bonding;

[0067] Step 8: Transfer to a aging room for aging at a temperature of 30-35 degrees and a humidity of 50-60% for at least 24 hours, and then laminate with the lining layer 4;

[0068] Step 9: The spun breathable layer 2 glued with the surface fabric layer 1 is also glued with a mesh glue roller, and then pressed with the lining fabric layer 4 made of knitted fabric by the laminating roller to form a waterproof and breathable fabric;

[0069] Step 10: The formed waterproof and breathable fabric is transferred to a curing room for curing at a temperature of 30-35 degrees and a humidity of 50-60% for at least 24 hours before being taken out;

[0070] Step 11: The formed waterproof and breathable fabric is cut into pieces by a cutting machine, that is, the pieces are cut according to the shapes and sizes of the body, sleeves, collar and hood, and then the pieces are sewn to make the jacket.

[0071] The actual ventilation principle when wearing is: (such as Figure 4 As shown in the figure, the inner side L and the outer side W of the waterproof and breathable fabric are used for explanation. The inner side L corresponds to the side of the fabric close to the body, and the outer side W corresponds to the side of the fabric away from the body. After normal exercise, the heat and sweat generated by the body can be discharged from the inner side L to the outside, which is called ventilation. That is, the process from the inside to the outside is called ventilation. It should be noted that air can enter between the fabric and the body from other parts of the clothes (otherwise, there is no air on the body surface and the person will be suffocated to death);

[0072] During the ventilation process, the heat and sweat generated by the body pass through the lining layer 4, the spaced glue point layer 3, the pores 22 of the spinning breathable layer 2, the spaced glue point layer 3 and the surface fabric layer 1 in sequence, and are quickly taken away by the wind or flowing air on the outside W, resulting in rapid exhaust during the whole process, and the surface of the fabric is not wrinkled; and the waterproofing is due to the external waterproof coating. Since the water molecule S is larger than the air molecule Q, the waterproof coating allows the air molecule Q to flow through, but the water molecule S is too large to pass through, so the water molecule S is blocked, thereby achieving the waterproof function;

[0073] After testing, the following report was obtained:

[0074]

[0075] The fabric described in this embodiment can also be used for dust and odor prevention; in the dust-proof function, since dust particles are large, they cannot pass through the waterproof layer (i.e., the liquid stain-resistant coating), so dust particles cannot enter, which plays a good barrier role, but the inner side L of the fabric is breathable, so it is not stuffy when working in special environments;

[0076] In addition, the anti-odor function is also significant. For example, body odor is mainly caused by the well-developed sweat glands under the armpits. Ordinary fabrics are not breathable enough, which leads to odor produced by sweat glands after sweating. The fabric of this embodiment can quickly discharge sweat during the sweat production process, making it difficult for a lot of sweat to concentrate under the armpits. In this way, the sweat produced has been discharged without sweat accumulation, and the armpits remain dry. Therefore, the sweat odor is greatly reduced, and the sweat odor and body odor cannot be smelled at a normal distance.

[0077] The present invention provides a waterproof and breathable fabric, a molding method and a jacket, which have a simple structure, are easy to manufacture, easy to implement and have low cost. The present invention breaks the traditional hydrophilic swelling method and adopts a hydrophobic non-swelling basic structure to prepare the fabric. At least 80 layers of fiber microlayers are interlaced and adhered in an electrostatic adsorption manner in the fabric, so that irregular pores are formed between the spinning breathable layers, and air molecules can pass through these pores, that is, body heat and sweat can pass through the tiny pores, so as to achieve a breathable effect. Since the tiny air molecules are blown away by the external wind during the process of passing through, a real breathable effect is achieved, and the entire surface is flat and wrinkle-free, and the waterproof function is achieved by the waterproof coating. Because the water molecules are large, they have been blown away by the external wind when they are outside. The invention discloses a kind of air permeable layer, and the surface cloth layer and the lining cloth layer are respectively spun and breathable, and the glue point layer is glued, and a plurality of point-shaped colloids are distributed at intervals, so that the air flow to the spun breathable layer is not blocked; in addition, the nanometer-scale fiber filaments of the invention are hydrophobic fiber filaments, which do not absorb sweat, other water stains, etc., and the air is exchanged quickly after wearing, so that the whole interior is comfortable and not stuffy, and the sweat and the like are quickly discharged, and it can also prevent dust and odor, especially for workers in high-dust workshops and people with body odor (such as body odor), the sweat produced by the sweat glands can be quickly discharged, and dust particles cannot enter the inside of the clothing, and the air permeability is good.

[0078] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention is described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A waterproof and breathable fabric, characterized in that: The fabric comprises: a surface fabric layer, a spinning breathable layer, a glue point layer and a lining fabric layer; a face fabric layer configured as a face fabric layer having a waterproof coating; A spun breathable layer, which is configured as a hydrophobic and non-swelling spun breathable layer; the spun breathable layer comprises at least 80 fiber microlayers, each of which comprises a number of nano-scale fiber filaments, each of which forms a layered structure by electrostatic adsorption and interlaced to form pores with irregular pore sizes; the fiber filaments of each fiber microlayer are interlaced and stacked to form the spun breathable layer, and the thickness of the spun breathable layer is not less than 30 microns; A lining layer, which is bonded to the spun breathable layer; The glue point layer is used to bond the surface fabric layer and the lining fabric layer to the upper and lower surfaces of the spun breathable layer respectively; the glue point layer includes a plurality of dot-shaped colloids; each of the colloids is distributed between the spun breathable layer and the surface fabric layer and the lining fabric layer at intervals, so that the surface fabric layer, the spun breathable layer and the lining fabric layer are bonded together.

2. A waterproof and breathable fabric as claimed in claim 1, characterized in that: The pores formed on each of the fiber microlayers are 0.3-4 microns, and the pores on a single fiber microlayer account for more than 50%.

3. A waterproof and breathable fabric as claimed in claim 2, characterized in that: The fiber filaments on each fiber microlayer are any one of nylon, polyurethane, polyimide, polyethersulfone, and polyetheretherketone, or a combination of two of them.

4. A waterproof and breathable fabric as claimed in claim 3, characterized in that: The spunbond air-permeable layer is configured as a spunbond air-permeable layer formed by interlacing and stacking 120-200 fiber micro-layers through electrostatic adsorption.

5. A waterproof and breathable fabric according to any one of claims 1 to 4, characterized in that: The surface fabric layer comprises a liquid stain resistant coating and a base fabric. The liquid stain resistant coating is attached to the base fabric and is away from the spinning air permeable layer. A calendered surface layer is formed on the side of the base fabric close to the spinning air permeable layer.

6. A method for forming a waterproof and breathable fabric, characterized in that: The molding method comprises the following steps: Step 1: Use woven fabric as the base fabric, and then evenly apply a layer of liquid stain-resistant coating on its surface through a rubber roller; Step 2: The base fabric coated with the liquid stain resistant coating is pressed by a pressing roller to form a calendered surface layer on the lower surface of the base fabric, and then rolled up to form a surface fabric layer roll; Step 3: Roll the surface treated surface fabric layer onto a roll frame and install it on the automatic unwinding device of the laminating machine; Step 4: nylon or polyurethane is sprayed onto a carrier in a liquid or molten state through a plurality of nozzles, and the sprayed nylon or polyurethane is adsorbed and shaped on the carrier by electrostatic adsorption, and stacked to form an irregular spinning breathable layer; the spinning breathable layer includes a stacked layer number of not less than 80 fiber microlayers, and each fiber microlayer has pores accounting for more than 50% of the total area, and the stacking is staggered and then dried and shaped to form a spinning breathable layer with a thickness of more than 30 microns; Step 5: Roll up the spun breathable layer and place it on a roller frame to be glued with the surface fabric layer later; Step 6: Pull the surface fabric layer to the laminating rubber roller after passing through the tensioning roller, so that the fabric surface tension is greater than 95%, the winding pressure is not less than 0.05kg, and the winding tension is greater than 6.5kg; Step 7: The mesh glue roller is heated to 90-120 degrees, and the melter is heated to 110-140 degrees; the spinning breathable layer is pulled to the mesh glue roller, and the glue is attached to the spinning breathable layer in the form of drops through the glue-dispensing mesh holes arranged at intervals on the mesh glue roller, so that a number of dot-shaped colloids are distributed at intervals on the spinning breathable layer; then the glue is transferred to the laminating roller opposite to the mesh glue roller, and the spinning breathable layer is extruded and glued with the calendered surface of the surface cloth layer, and rolled up after gluing; Step 8: Transfer to a curing room for curing, allowing the bonded surface fabric layer and the spun breathable layer to cure for at least 24 hours at a temperature of 30-35 degrees and a humidity of 50-60%, and then compound with the lining layer; Step 9: The spun breathable layer glued to the surface fabric layer is also glued by a mesh glue roller, and then pressed against the lining fabric layer made of knitted fabric by the laminating roller to form a waterproof and breathable fabric; Step 10: Transfer the formed waterproof and breathable fabric to the aging room for aging, and allow it to mature at a temperature of 30-35 degrees and a humidity of 50-60% for at least 24 hours.

7. A method for forming a waterproof and breathable fabric as claimed in claim 6, characterized in that: In step 7, the pressure of the mesh-type glue-coating roller is 3-6 kg, and the pressure of the laminating roller is 4-5 kg; and the gap between the mesh-type glue-coating roller and the laminating roller is 0.2 mm.

8. A method for forming a waterproof and breathable fabric as claimed in claim 7, characterized in that: The pressure of the glue groove in the mesh glue roller is 3kg; wherein, 5408D glue is selected, heated to 110-135 degrees, and the initial viscosity of the colloid is 2300-2550.

9. A jacket comprising a body, sleeves, a collar and a cap; characterized in that: The body, sleeves, collar and hood are all made of the waterproof and breathable fabric as described in any one of claims 1-5.

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