CN213472425U - Moisture absorption breathable composite non-woven fabric - Google Patents

Abstract

The utility model relates to a moisture absorption composite nonwoven fabric that breathes freely belongs to non-woven fabrics technical field, including the base cloth layer, be provided with the ventilative structure of moisture absorption on the base cloth layer, the ventilative structure of moisture absorption include the adhesion in the moisture absorption layer on two surfaces on the base cloth layer keeps away from the ventilative layer on one side of the base cloth layer with being located the moisture absorption layer, the moisture absorption layer is woven by compound yarn longitude and latitude and is formed. This application has the moisture absorption gas permeability's of reinforcing non-woven fabrics effect.

Description

Moisture absorption breathable composite non-woven fabric

Technical Field

The application relates to the technical field of non-woven fabrics, especially, relate to a moisture absorption breathable composite non-woven fabric.

Background

Nonwoven fabrics, also known as nonwovens, are made of oriented or random fibers. The non-woven fabric is produced by adopting polypropylene granules as a raw material through a continuous one-step method of high-temperature melting, spinning, laying a line and hot-pressing coiling. The non-woven fabric has the characteristics of moisture resistance, air permeability, light weight, no toxicity or irritation, low price, recycling and the like. At present, the application range of the non-woven fabric is wide, and the non-woven fabric can be applied to a plurality of fields such as life, medical treatment, industry and the like.

Although the polypropylene material for preparing the non-woven fabric has good mechanical strength and wear resistance, the prepared traditional non-woven fabric has single performance and poor moisture absorption and air permeability, and when the polypropylene material is applied to the field of sanitation, the requirement on the moisture absorption and air permeability of the non-woven fabric is high, and the traditional non-woven fabric cannot meet the use requirement at the moment.

SUMMERY OF THE UTILITY MODEL

In order to strengthen the moisture absorption air permeability of non-woven fabrics, this application provides a moisture absorption air permeability composite nonwoven fabric.

The application provides a moisture absorption breathable composite non-woven fabric adopts following technical scheme:

the utility model provides a ventilative composite non-woven fabrics of moisture absorption, includes the base cloth layer, be provided with the ventilative structure of moisture absorption on the base cloth layer, the ventilative structure of moisture absorption including the adhesion in the moisture absorption layer on two surfaces on base cloth layer keeps away from the ventilative layer of base cloth layer one side with being located the moisture absorption layer, the moisture absorption layer is woven by compound yarn longitude and latitude and is formed.

Through adopting above-mentioned technical scheme, set up moisture absorption ventilation structure on base cloth layer surface, moisture absorption ventilation structure includes moisture absorption layer and ventilative layer, and the moisture absorption layer has good moisture absorption air permeability with ventilative layer to promote the moisture absorption air permeability of non-woven fabrics.

Preferably, the composite yarn comprises warps and wefts, the wefts are made of cotton fibers, the warps are made of bamboo charcoal fibers, and the moisture absorption layer is formed by warp-weft weaving of the cotton fibers and the bamboo charcoal fibers.

By adopting the technical scheme, the cotton fiber is porous fiber, and cellulose macromolecules of the cotton fiber have a plurality of hydrophilic groups, so the cotton fiber has good hygroscopicity and air permeability; the unique fiber structure of the bamboo charcoal fiber enables the bamboo charcoal fiber to have the characteristics of moisture absorption, air permeability, bacteriostasis, antibiosis, green environmental protection and the like; the moisture absorption layer prepared by weaving the cotton fiber as the weft and the bamboo charcoal fiber as the warp has good moisture absorption and air permeability, so that the non-woven fabric has good moisture absorption and air permeability.

Preferably, the warp threads further comprise hemp fibers, and the moisture absorption layer is formed by warp and weft weaving of cotton fibers, bamboo charcoal fibers and hemp fibers.

By adopting the technical scheme, the hemp fiber belongs to the cellulose fiber, the fiber molecules contain a large amount of polar hydrophilic groups, and the fiber molecules are easy to combine with water molecules to adsorb water molecules when contacting with water, so the moisture absorption performance is good, the moisture absorption performance is more than twice of that of cotton fiber, the hemp fiber and the bamboo charcoal fiber are used as warp, and a moisture absorption layer woven by warp and weft with the cotton fiber has good moisture absorption and air permeability, so that the non-woven fabric has good moisture absorption and air permeability.

Preferably, the warp threads further comprise acrylic fibers, and the moisture absorption layer is formed by warp and weft weaving of cotton fibers, bamboo charcoal fibers, hemp fibers and acrylic fibers.

By adopting the technical scheme, the acrylic fiber has good heat resistance, light resistance and elasticity, is woven with the cotton fiber in a warp-weft mode by taking the acrylic fiber as one of yarns, is used for improving the elasticity and the resistance of the moisture absorption layer, has certain moisture absorption and breathability and has a promoting effect on improving the moisture absorption of the moisture absorption layer.

Preferably, the breathable layer is located on one side surface of the moisture absorption layer far away from the base fabric layer and consists of breathable particles uniformly distributed on the surface of the moisture absorption layer and breathable films adhered to the surfaces of the breathable particles.

Through adopting above-mentioned technical scheme, at the even spraying of hygroscopic layer surface ventilative particle, ventilative particle surface still is stained with the ventilated membrane, ventilative particle evenly distributed is between ventilated membrane and hygroscopic layer, forms the cavity between ventilative particle and the ventilative particle, crisscross cavity formation scatters and disappears ventilative passageway, because hygroscopic layer and base cloth layer all contain tiny pore including the ventilated membrane surface, is convenient for discharge the non-woven fabrics with the air faster with ventilative passageway intercommunication for the non-woven fabrics has good air permeability.

Preferably, the breathable film is a polyethylene film.

By adopting the technical scheme, the polyethylene is a resin material with good air permeability, and the polyethylene film is used as the air permeable film for further improving the air permeability of the non-woven fabric.

Preferably, an antibacterial layer is adhered to one surface of the air-permeable layer far away from the moisture absorption layer.

Through adopting above-mentioned technical scheme, the setting of antibacterial layer is used for remedying the defect that the moisture absorption breathable structure bacteriostasis is not enough to improve the bacteriostatic property of non-woven fabrics.

Preferably, the antibacterial layer is provided with air holes longitudinally penetrating through the antibacterial layer and the polyethylene film.

Through adopting above-mentioned technical scheme, the bleeder vent of seting up on the antibacterial layer runs through antibacterial layer and polyethylene film to link to each other with ventilative passageway, thereby further improve the gas permeability of non-woven fabrics.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the surface of the base cloth layer is provided with a moisture absorption and ventilation structure, the moisture absorption and ventilation structure comprises a moisture absorption layer and a ventilation layer, and the moisture absorption layer and the ventilation layer have good moisture absorption and ventilation performance, so that the moisture absorption and ventilation performance of the non-woven fabric is improved;

2. the moisture absorption layer prepared by weaving cotton fibers as wefts and bamboo charcoal fibers as warps has good moisture absorption and air permeability, so that the non-woven fabric has good moisture absorption and air permeability;

3. the moisture absorption layer which is made by using hemp fibers and bamboo charcoal fibers as warps and weaving the warps and the cotton fibers has good moisture absorption and air permeability, so that the non-woven fabric has good moisture absorption and air permeability.

Drawings

Fig. 1 is a schematic cross-sectional structure diagram of an embodiment of the present application.

Fig. 2 is a schematic structural view of a composite yarn according to an embodiment of the present application.

Description of reference numerals: 1. a base cloth layer; 2. a moisture-absorbing layer; 21. compounding yarns; 211. warp threads; 2111. bamboo charcoal fiber; 2112. hemp fiber; 2113. acrylic fibers; 212. a weft; 2121. cotton fibers; 3. a breathable layer; 31. air-permeable particles; 32. a gas permeable membrane; 4. a bacteriostatic layer; 5. and (4) air holes.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses moisture absorption breathable composite non-woven fabric.

Referring to fig. 1, a moisture-absorbing and breathable composite nonwoven fabric includes a base fabric layer 1. The base cloth layer 1 is made by the way that polypropylene fibers are arranged in a directional way to form a net and then are bonded by hot rolling.

Referring to fig. 1, two surfaces of a base fabric layer 1 are respectively provided with a moisture absorption and ventilation structure, and the moisture absorption and ventilation structure includes a moisture absorption layer 2 and a ventilation layer 3. Referring to fig. 2, there are two sets of moisture absorption layers 2, each set of moisture absorption layer 2 has one layer, the two sets of moisture absorption layers 2 are respectively adhered to two surfaces of the base fabric layer 1, and the moisture absorption layers 2 are formed by weaving composite yarns 21 in a warp and weft manner. The composite yarn 21 comprises warp yarns 211 and weft yarns 212, wherein the warp yarns 211 comprise bamboo charcoal fibers 2111, hemp fibers 2112 and acrylic fibers 2113; the weft 212 is cotton fibers 2121.

Referring to fig. 2, cotton fibers 2121 are porous fibers and thus have good air permeability; and a plurality of hydrophilic groups exist on the cellulose macromolecules of the cotton fiber 2121, so that the cotton fiber has good hygroscopicity. As shown in fig. 1, the moisture absorption layer 2 made of the cotton fibers 2121 as the weft 212 and the warp 211 has good moisture absorption and air permeability, so that the non-woven fabric using the moisture absorption layer 2 has good moisture absorption and air permeability.

Referring to fig. 2, bamboo charcoal fiber 2111 is a cellulose fiber extracted from naturally growing bamboo. The bamboo charcoal fiber 2111 has good air permeability, instant water absorption, strong wear resistance, good dyeing property, natural antibacterial, bacteriostatic, acarid removing, deodorant and ultraviolet resisting functions. As shown in fig. 1, the bamboo charcoal fiber 2111 is selected as one of the warp threads 211 of the moisture absorption layer 2, and the moisture absorption layer 2 formed by warp and weft weaving with the cotton fiber 2121 has good moisture absorption and air permeability, and simultaneously has antibacterial and antibacterial properties, so that the non-woven fabric using the moisture absorption layer 2 has good moisture absorption and air permeability and additional properties of antibiosis, bacteriostasis and the like.

Referring to fig. 2, hemp 2112 is a cellulose fiber, and the fiber molecules contain a large amount of polar hydrophilic groups, and are easy to bind with water molecules to adsorb water molecules when contacting water, so that the fiber has good hygroscopicity. The hemp fibers 2112 have unique fiber molecular structures, the fiber center has a larger cavity, and a plurality of cracks and holes are longitudinally formed and connected with the fiber, so that the hemp fibers 2112 have more capillary channels and can quickly transfer and diffuse moisture and water vapor in the fabric, and therefore, the hemp fibers 2112 also have good air permeability. As shown in fig. 1, the moisture absorption layer 2 made of hemp fibers 2112 and bamboo charcoal fibers 2111 as warp 211 and cotton fibers 2121 by warp and weft knitting has good moisture absorption and air permeability, so that the non-woven fabric has good moisture absorption and air permeability.

Referring to fig. 1 and 2, the acrylic fiber 2113 has good elasticity and high elongation at break, so that the stretch resistance is good, and the acrylic fiber 2113 is used as one of yarns to be woven with the cotton fiber 2121 in a warp-weft manner to improve the toughness and the stretch resistance of the moisture absorption layer 2. The acrylic fiber 2113 also has good heat resistance, light resistance and bacterial resistance, and has good stability to general chemicals. The acrylic fiber 2113 has a certain moisture absorption and air permeability, and has a certain promotion effect on improving the moisture absorption of the moisture absorption layer 2.

Referring to fig. 1, the air-permeable layer 3 is disposed on a side of the moisture-absorbing layer 2 away from the base fabric layer 1, and is composed of air-permeable particles 31 and an air-permeable film 32. The air-permeable particles 31 are uniformly sprayed on the surface of the base fabric layer 1, and the air-permeable film 32 is adhered on the air-permeable particles 31, so that the air-permeable particles 31 are positioned between the moisture absorption layer 2 and the air-permeable film 32. The cavity is formed between the air-permeable particles 31 and the air-permeable particles 31, the staggered cavity forms a scattering and disappearing air-permeable channel, and the moisture absorption layer 2 and the base cloth layer 1 comprise fine pore channels on the surfaces of the air-permeable films 32 and are communicated with the air-permeable channels, so that air can be discharged out of the non-woven fabric more quickly, and the non-woven fabric has good air permeability.

Referring to fig. 1, the gas permeable film 32 is a polyethylene film, which is a thermoplastic resin material having good gas permeability, and has excellent low temperature resistance, chemical stability, and acid and alkali resistance. The polyethylene film is used as the breathable film 32 for further improving the air permeability of the non-woven fabric and assisting in improving other performances of the non-woven fabric.

Referring to fig. 1, the surface of the breathable film 32 is adhered with the antibacterial layer 4, the antibacterial layer 4 is located on the surface of the breathable film 32 away from the breathable particles 31, and the antibacterial layer 4 is made of antibacterial materials and used for further improving the antibacterial performance of the non-woven fabric.

Referring to fig. 1, a plurality of air holes 5 are formed in the bacteriostatic layer 4, and the air holes 5 are uniformly distributed on the bacteriostatic layer 4; the air holes 5 longitudinally penetrate through the antibacterial layer 4 and the polyethylene film so as to be connected with the air permeable passage, thereby further improving the air permeability of the non-woven fabric.

The implementation principle of the moisture absorption breathable composite non-woven fabric of the embodiment of the application is as follows: set up the ventilative structure of moisture absorption on base cloth layer 1 surface, the ventilative structure of moisture absorption includes moisture absorption layer 2 and ventilative layer 3, and moisture absorption layer 2 has good moisture absorption air permeability with ventilative layer 3 to promote the moisture absorption air permeability of non-woven fabrics.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides a moisture absorption ventilative composite nonwoven fabric, includes base cloth layer (1), its characterized in that: be provided with the ventilative structure of moisture absorption on base cloth layer (1), the ventilative structure of moisture absorption is including adhering to the moisture absorption layer (2) on two surfaces of base cloth layer (1) with be located moisture absorption layer (2) and keep away from ventilative layer (3) of base cloth layer (1) one side, moisture absorption layer (2) are woven by compound yarn (21) longitude and latitude and are formed.

2. The moisture-absorbing breathable composite nonwoven fabric of claim 1, wherein: the composite yarn (21) comprises warp (211) and weft (212), the weft (212) is cotton fiber (2121), the warp (211) is bamboo charcoal fiber (2111), and the moisture absorption layer (2) is formed by warp and weft weaving of the cotton fiber (2121) and the bamboo charcoal fiber (2111).

3. The moisture-absorbing breathable composite nonwoven fabric of claim 2, wherein: the warp (211) also comprises China hemp fibers (2112), and the moisture absorption layer (2) is formed by warp and weft weaving of cotton fibers (2121), bamboo charcoal fibers (2111) and China hemp fibers (2112).

4. The moisture-absorbing breathable composite nonwoven fabric of claim 3, wherein: the warp (211) also comprises acrylic fibers (2113), and the moisture absorption layer (2) is formed by warp and weft weaving of cotton fibers (2121), bamboo charcoal fibers (2111), hemp fibers (2112) and the acrylic fibers (2113).

5. The moisture-absorbing breathable composite nonwoven fabric of claim 1, wherein: the breathable layer (3) is positioned on one side surface, far away from the base cloth layer (1), of the moisture absorption layer (2) and consists of breathable particles (31) uniformly distributed on the surface of the moisture absorption layer (2) and breathable films (32) adhered to the surfaces of the breathable particles (31).

6. The moisture-absorbing breathable composite nonwoven fabric of claim 5, wherein: the breathable film (32) is a polyethylene film.

7. The moisture-absorbing breathable composite nonwoven fabric of claim 6, wherein: and an antibacterial layer (4) is adhered to one surface of the breathable layer (3) far away from the moisture absorption layer (2).

8. The moisture-absorbing breathable composite nonwoven fabric of claim 7, wherein: and the antibacterial layer (4) is provided with air holes (5) which longitudinally penetrate through the antibacterial layer (4) and the polyethylene film.

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