CN210940747U - Composite material capable of absorbing sweat, removing moisture, ventilating and filtering particulate matters and wearable device - Google Patents
Composite material capable of absorbing sweat, removing moisture, ventilating and filtering particulate matters and wearable device Download PDFInfo
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- CN210940747U CN210940747U CN201920765022.5U CN201920765022U CN210940747U CN 210940747 U CN210940747 U CN 210940747U CN 201920765022 U CN201920765022 U CN 201920765022U CN 210940747 U CN210940747 U CN 210940747U
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Abstract
The utility model discloses a moisture absorption and dehumidification and ventilative and filterable particulate matter's combined material and wearable device. The composite material comprises: the first structural layer at least has the functions of absorbing sweat, removing dampness and ventilating, and the second structural layer at least has the function of filtering particles; the first structural layer and the second structural layer are mutually combined; the first structural layer is mainly formed by weaving polymer fibers with sweat absorption and ventilation functions, and the second structural layer is of a membrane structure with a plurality of filter holes. The utility model provides a ventilative and filterable particulate matter's combined material of sweat-absorbing hydrofuge can present the form for thin surface fabric, and it has sweat-absorbing hydrofuge ventilation function and the function of filtering particulate matter simultaneously, when using as wearable devices such as gauze mask, personal clothing, both can realize good effects such as preventing haze is dustproof, but also can provide good body for the user and feel.
Description
Technical Field
The utility model relates to a combined material, in particular to sweat-absorbing hydrofuge is ventilative and filterable particulate matter's combined material and wearable device.
Background
With the development of industrial technology, the exhaust emission is increased, the dust particle content in the air is too high, and the serious influence is brought to the daily life of people. To this end, many researchers have developed various solutions to reduce or eliminate the harm of airborne dust particles (e.g., PM0.3 to PM10 particle size particles) to human health. At present, air filters, masks and the like are commonly used by people. Among them, wearable filtering functional products (such as masks) need to be in contact with human bodies, so people demand good dust particle filtering capacity on one hand, and on the other hand, people also put high demands on comfort. But such a demand can not be well satisfied in present this type of wearable filtering function product.
Disclosure of Invention
A primary object of the present invention is to provide a composite material and a wearable device that is sweat-absorbent, moisture-removing, breathable and capable of filtering particles, so as to overcome the disadvantages of the prior art.
In order to achieve the purpose of the invention, the technical scheme adopted by the utility model comprises:
the embodiment of the utility model provides a moisture absorption and dehumidification are ventilative and combined material of filterable particulate matter, it includes: the first structural layer at least has the functions of absorbing sweat, removing dampness and ventilating, and the second structural layer at least has the function of filtering particles; the first structural layer and the second structural layer are mutually combined; the first structural layer is mainly formed by weaving elastic polymer fibers with sweat absorption and ventilation functions, and the second structural layer is of a membrane structure with a plurality of filter holes.
In some embodiments, the composite is a two-dimensional planar structure throughout.
In some embodiments, the composite material has an overall thickness of less than 1 mm.
In some embodiments, the composite contains less than 3 structural layers.
In some embodiments, the polymeric fibers comprise polyester fibers and/or polyurethane fibers.
In some embodiments, the first structural layer has a thickness of 0.4mm or less, a grammage of 120 grams or less, and wherein the interwoven density of the polymer fibers is 50D or less.
In some embodiments, the second structural layer has a thickness of 0.3mm or less and a grammage of 100 grams or less.
In some embodiments, the second structural layer comprises PP polypropylene meltblown fibers or PTFE filtration membranes.
In some embodiments, the second structural layer has filtration pores capable of intercepting particulates below 0.3 μm in size. In some embodiments, the second structural layer further has an electrostatic adsorption function for the particulate matter.
In some embodiments, the particulates comprise salt or oil particulates.
Further, the particulate matter includes PM0.3 to PM10 particulate matter.
Furthermore, the pore diameter and the distribution density of the filter pores of the second structural layer satisfy the following conditions: the initial filtration efficiency of the filter on PM0.3 salt particles is more than 95%, and the filtration flux is more than 85L/min.
In some embodiments, the composite further comprises a third structural layer, the second structural layer being distributed between the first structural layer and the third structural layer.
In some embodiments, the third structural layer is formed by weaving polymer fibers having a sweat-absorbing and breathable function, and the interlacing density of the polymer fibers is below 50D.
Further, the polymer fibers comprise polyester fibers and/or polyurethane fibers.
In some embodiments, the polymeric fibers are each elastic, such that the first structural layer is also elastic. In some embodiments, the third structural layer comprises a graphene layer having a thickness of 0.3mm or less and a grammage of 100 grams or less.
In some embodiments, the third structural layer comprises a layer of carbon fiber and/or activated carbon adsorbent material having a thickness of 0.4mm or less and a grammage of 150 grams or less.
In some embodiments, at least two structural layers of the composite layer are ultrasonically, thermally and pressure bonded, or adhesively bonded.
In some embodiments, at least two structural layers of the composite material layer are bonded by graphene glue, so that a heat and electricity conducting network is formed between the at least two structural layers.
The embodiment of the utility model provides a wearable device is still provided.
Furthermore, the wearable device is a mask, at least the filtering function part of the mask is made of the composite material which absorbs sweat, discharges moisture, ventilates and can filter particles, and the first structural layer is in contact with the face of a human body.
Further, the wearable device is a garment, at least a portion of the garment is made of the composite material which absorbs sweat, discharges moisture, is breathable, and can filter particulate matter, and the first structural layer is in contact with a human body.
Compared with the prior art, the utility model provides a combined material of sweat-absorbing hydrofuge ventilative and filterable particulate matter can present the form for thin surface fabric, and it has sweat-absorbing hydrofuge ventilation function and the function of filtering the particulate matter simultaneously, when using as wearable devices such as gauze mask, clothing, both can realize good prevent effects such as haze are dustproof, but also can provide good body for the user and feel.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic structural view of the sweat absorbing, moisture wicking, air permeable, particulate filtering composite of example 1;
FIG. 2 is a schematic structural view of the sweat absorbing, moisture wicking, air permeable, particulate filtering composite of example 2;
FIG. 3 is a schematic structural view of the sweat absorbing, moisture wicking, air permeable, particulate filtering composite of example 3;
FIG. 4 is a schematic structural view of the sweat absorbing, moisture wicking, air permeable, particulate filtering composite of example 4;
FIG. 5 is a schematic structural view of the sweat absorbing, moisture wicking, air permeable, particulate filtering composite of example 5;
fig. 6 is a schematic structural view of the composite of example 6 that is moisture wicking, air permeable, and particulate filtering.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. The examples, in which specific conditions are not specified, were conducted under conventional conditions or conditions recommended by the manufacturer. The reagents or instruments used are not indicated by the manufacturer, and are all conventional products available commercially.
Example 1 a composite material for absorbing sweat, dehumidifying, air-permeable and particulate filtering material can be seen in figure 1, which comprises:
a first structural layer 11 at least having sweat absorbing, moisture removing and ventilating functions, and a second structural layer 12 at least having a particle filtering function;
the first structural layer and the second structural layer are combined with each other.
Wherein the first structural layer is formed by weaving elastic polymer fibers with sweat absorption and ventilation functions. The polymer fiber can be polyester fiber, polyurethane fiber (such as spandex and dacron) and the like. Preferably, the thickness of the first structural layer can be controlled below 0.4mm, the gram weight can be controlled below 120 g, and the interweaving density of the polymer fibers can be controlled below 50D.
The second structure layer is a membrane structure with a plurality of filter holes.
Further, the film-like structure may be a PP polypropylene meltblown fiber body, a PTFE filtration membrane, or the like, and is preferably the former. Preferably, the gram weight of the second structural layer is controlled below 100 grams, and the thickness of the second structural layer is controlled below 0.3 mm.
Meanwhile, the second structural layer has the function of filtering salt or oily particles. Further, such particulate matter includes PM0.3 to PM10 particle size particulate matter. Preferably, the filtering effect of the second structural layer on the PM0.3 salt particulate matters meets the following condition: the initial filtration efficiency is not lower than 95%, and the flux is not lower than 85L/min (the adopted testing equipment is the American TSI 8130).
Furthermore, the second structural layer mainly utilizes a physical structure to filter particles, and physical filter holes in an interwoven shape are formed in the second structural layer. Preferably, the filtration pore size is controlled to 0.1mm or less.
More preferably, the second structural layer further has an electrostatic adsorption function, that is, it can also remove the particulate matters by an electrostatic adsorption manner. For example, a large amount of electrostatic electret can be doped into the PP polypropylene melt-blown fiber, so that the PP polypropylene melt-blown fiber is converted into an electrostatic cotton material, and further, the second structural layer formed by the PP polypropylene melt-blown fiber has electrostatic adsorption capacity. The material of the electrostatic electret can be selected from PP polypropylene and the like, and the specification and the model of the electrostatic electret can be different from those of the PP polypropylene forming the main body of the second structural layer. The doping concentration of the electrostatic electret in the second structural layer can be controlled within 20 wt%, and preferably within 10 w%. Preferably, the composite material of the present embodiment has an overall thickness of 1mm or less, and has a two-dimensional planar structure as a whole, particularly in the form of a thin web. Further, the composite material which absorbs sweat, removes moisture, is breathable and can filter particles is cuttable. The preparation process of the composite material of the embodiment comprises the following steps:
spinning the polymer fibers to form a first structural layer;
providing PP polypropylene melt-blown fiber or a PTFE filter membrane and the like as a second structural layer;
and compounding the first structural layer and the second structural layer in an ultrasonic compounding mode to obtain the composite material.
The composite material of the embodiment can be prepared into a mask, wherein the first structural layer is arranged on one side contacting with the face of a human body, and the second structural layer is arranged on the other side far away from the human body. So, can utilize the sweat-absorbing hydrofuge gas permeability of first structural layer to give the user good experience on the one hand, on the other hand can also utilize the second structural layer to filter the particulate matter in the air, prevents that it from causing harm to human health.
Example 2 this example provides a composite material which is moisture wicking, air permeable, and particulate filtering having a structure similar to that of example 1 except that: the first structural layer 11 and the second structural layer 12 are bonded through the graphene glue 10. And the second structural layer adopts a PP polypropylene melt-blown filter layer, and has double functions of physical filtration and electrostatic adsorption for the particles. The structure of the composite material of this embodiment can be seen in fig. 2.
Specifically, the preparation process of the composite material of the embodiment may be as follows:
graphene glue is applied to the first structural layer and the second structural layer in modes of spin coating, spray coating and the like, and then the graphene glue is solidified in modes of high-temperature roller rolling (commonly called hot compress) and the like, so that the first structural layer and the second structural layer are combined. After the graphene glue is cured, a heat and electricity conducting network mainly composed of graphene is formed between the first structural layer and the second structural layer. The graphene glue can comprise 1-10 wt% of graphene oxide, 1-5 wt% of redox graphene, 20 wt% of aqueous polyurethane resin, 1 wt% of defoaming agent, 2 wt% of leveling agent and the balance of water. The drying temperature of the graphene glue is 80-120 ℃, and the drying time is 30-60 min.
In the composite material of this embodiment, because of the graphene glue that adopts has heat conductivity, graphite alkene wherein can form heat conduction and electric conduction network between first structural layer and second structural layer, and this makes this composite material when making gauze mask, next to the shin clothing, not only has the advantage of aforementioned embodiment 1 composite material, still does benefit to comparatively swift transfer to the external environment with the heat of human face department such as, does benefit to the heat dissipation of human face department such as.
Example 3 this example provides a moisture wicking, air permeable, particulate filtering composite having a construction similar to that of example 1 except that the composite further has a third structural layer 13, wherein the second structural layer is disposed between the first structural layer and the third structural layer. The structure of the composite material of this embodiment can be seen in fig. 3.
Further, the third structural layer is formed by weaving sweat-absorbing and breathable polymer fibers with elasticity, and the interweaving density of the polymer fibers is below 50D. The polymer fibers may be polyester fibers, polyurethane fibers, and the like. Further, the third structural layer has a thickness of not more than 0.4mm and a grammage of not more than 120 grams.
Example 4 this example provides a composite material which is moisture wicking, air permeable, and particulate filtering having a construction similar to that of example 2 except that the composite material further has a third structural layer 14, wherein the second structural layer is disposed between the first structural layer and the third structural layer. The structure of the composite material of this embodiment can be seen in fig. 4.
Further, the third structural layer is formed by weaving sweat-absorbing and breathable polymer fibers with elasticity, and the interweaving density of the polymer fibers is below 50D. The polymer fibers may be polyester fibers, polyurethane fibers, and the like. Further, the third structural layer has a thickness of not more than 0.4mm and a grammage of not more than 120 grams.
The third structural layer and the second structural layer can also be bonded by the graphene glue, so that a heat-conducting and electric-conducting network consisting of graphene is formed between the third structural layer and the second structural layer. Therefore, the radiating of the body surface heat of the human body is facilitated, the static electricity of the second structural layer is conducted to the surface of the third structural layer, the third structural layer is charged with the static electricity, and the third structural layer can be endowed with the function of adsorbing large-particle matters such as PM10 and the like by utilizing the proper interweaving density (for example, about 50D) of the third structural layer.
Example 5 referring to fig. 5, this example provides a composite material that is moisture wicking and wicking, air permeable, and particulate filtering, having a structure similar to that of example 3 or example 4, except that: the third structural layer 15 is made of graphene and other antibacterial materials, the thickness of the third structural layer is controlled within 0.3mm, and the gram weight of the third structural layer is controlled within 50 grams. Thus, the characteristic that the physical structure of the graphene can directly pierce through a bacterial membrane, and the characteristic that the functionalized active sites on the surface of the graphene can generate active oxygen and charge transfer, and also can generate oxidative damage to bacteria can be utilized, so that the composite material of the embodiment also exhibits good antibacterial performance when applied, for example, the antibacterial rate is as high as 98%.
Example 6 referring to fig. 6, this example provides a composite material that is moisture wicking and wicking, breathable and particulate filtering, having a structure similar to that of example 3, example 4 or example 5, except that: the third structural layer 16 is formed of carbon fiber and/or activated carbon adsorbent, and has a thickness of 0.4mm or less and a grammage of 70 g or less. In this way, the carbon fiber and/or activated carbon adsorption material can be used for absorbing VOCs or other odorous harmful gases in the air. The composite material of this example is particularly suitable for making masks and the like.
In addition, in the composite materials of the foregoing embodiments 2 to 6, the third structural layer may also be formed by blending a plurality of the above materials such as polymer fiber, graphene, carbon fiber and/or activated carbon adsorption material, or a plurality of the above materials may be formed with nano-functional materials such as silver and titanium dioxide having bactericidal and anti-pollution functions, so as to provide the composite materials with better performance.
The utility model discloses an aforesaid embodiment provides the combined material can be applied to preparation and air cleaner, gauze mask, the underwear etc. of human contact, has wide application prospect.
The embodiments described above are some, but not all embodiments of the present invention. It should be understood that the detailed description of the embodiments of the present invention is not intended to limit the scope of the invention as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Claims (18)
1. A composite material that is moisture wicking, breathable, and particulate filtering, comprising:
a first structural layer having at least sweat-absorbing, moisture-wicking and breathable functions, and
the second structural layer at least has a particulate matter filtering function;
the first structural layer and the second structural layer are mutually combined;
wherein the first structural layer is mainly formed by weaving polymer fibers with sweat absorption and ventilation functions, the thickness is below 0.4mm, the gram weight is below 120 grams, and the interweaving density of the polymer fibers is below 50D;
the second structural layer is a membrane structure with a plurality of filter holes, the thickness of the second structural layer is less than 0.3mm, the gram weight of the second structural layer is less than 100 grams, and the filter holes can intercept particles with the particle size of less than 0.3 mu m.
2. The composite of claim 1, wherein the composite is characterized by: the composite material is integrally of a two-dimensional planar structure.
3. The composite of claim 1, wherein the composite is characterized by: the overall thickness of the composite material is less than 1 mm.
4. The composite of claim 1, wherein the composite is characterized by: the composite contains less than 3 structural layers.
5. The composite of claim 1, wherein the composite is characterized by: the polymer fibers include polyester fibers and/or polyurethane fibers.
6. The composite of claim 1, wherein the composite is characterized by: the second structural layer comprises PP polypropylene melt-blown fiber or a PTFE filter membrane.
7. The composite of claim 1, wherein the composite is characterized by: the second structural layer also has an electrostatic adsorption function for the particulate matter.
8. The composite of claim 1, wherein the composite is characterized by: the particulates include salt or oil particulates.
9. The composite of claim 1, wherein the composite is characterized by: the particulate matter includes PM0.3 to PM10 particulate matter.
10. The composite material as claimed in claim 4, wherein the second structural layer has a pore size and a distribution density satisfying the following conditions: the initial filtration efficiency of the filter on PM0.3 salt particles is more than 95%, and the filtration flux is more than 85L/min.
11. The composite of claim 1 further comprising a third structural layer, said second structural layer being disposed between said first structural layer and said third structural layer.
12. The composite of claim 11, wherein the composite is characterized by: the third structural layer is mainly formed by weaving polymer fibers with sweat absorption and air permeability functions, the interweaving density of the polymer fibers is below 50D, and the polymer fibers comprise polyester fibers and/or polyurethane fibers.
13. The composite of claim 11, wherein the composite is characterized by: the third structural layer comprises a graphene layer, the thickness of the graphene layer is below 0.3mm, and the gram weight of the graphene layer is below 100 grams.
14. The composite of claim 11, wherein the composite is characterized by: the third structural layer comprises a carbon fiber and/or activated carbon adsorption material layer, the thickness of the carbon fiber and/or activated carbon adsorption material layer is less than 0.4mm, and the gram weight of the carbon fiber and/or activated carbon adsorption material layer is less than 150 grams.
15. The composite of any of claims 1-14, being moisture absorbing and wicking and being capable of filtering particulate matter, wherein: at least two structural layers in the composite material layer are compounded through ultrasonic wave, hot-pressing combination or gluing.
16. The composite of any of claims 1-14, being moisture absorbing and wicking and being capable of filtering particulate matter, wherein: 2 structural layers in the composite material layer are bonded through graphene glue, so that a heat-conducting and electric-conducting network is formed between the 2 structural layers.
17. A wearable device, characterized by: the wearable device is a mask, at least the filtering function part of the mask is made of the composite material which absorbs sweat, discharges moisture, ventilates and can filter particles according to any one of claims 1 to 16, and the first structural layer is in contact with the face of a human body.
18. A wearable device, characterized by: the wearable device is an article of clothing, at least a portion of which is made of the sweat-absorbent, moisture-wicking, breathable, particulate-filterable composite material of any of claims 1-16, wherein the first structural layer is in contact with a human body.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920765022.5U CN210940747U (en) | 2019-05-24 | 2019-05-24 | Composite material capable of absorbing sweat, removing moisture, ventilating and filtering particulate matters and wearable device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920765022.5U CN210940747U (en) | 2019-05-24 | 2019-05-24 | Composite material capable of absorbing sweat, removing moisture, ventilating and filtering particulate matters and wearable device |
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| CN210940747U true CN210940747U (en) | 2020-07-07 |
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| CN201920765022.5U Active CN210940747U (en) | 2019-05-24 | 2019-05-24 | Composite material capable of absorbing sweat, removing moisture, ventilating and filtering particulate matters and wearable device |
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