CN210706410U - Activated carbon non-woven fabric for mask - Google Patents
Activated carbon non-woven fabric for mask Download PDFInfo
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- CN210706410U CN210706410U CN201921259289.3U CN201921259289U CN210706410U CN 210706410 U CN210706410 U CN 210706410U CN 201921259289 U CN201921259289 U CN 201921259289U CN 210706410 U CN210706410 U CN 210706410U
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Abstract
The utility model discloses an activated carbon non-woven fabric for a mask, which comprises a waterproof moisture permeable film, an activated carbon non-woven fabric, a first spun-bonded non-woven fabric, a polypropylene melt-blown non-woven fabric and a second spun-bonded non-woven fabric in sequence from the direction far away from the face to the direction close to the face; the waterproof moisture permeable film and the activated carbon non-woven fabric are compounded through the punctate PU hot melt adhesive; the first spun-bonded adhesive non-woven fabric and the activated carbon non-woven fabric are reinforced by spunlace; the first spun-bonded non-woven fabric, the polypropylene melt-blown non-woven fabric and the second spun-bonded non-woven fabric are reinforced by ultrasonic waves; the fiber used by the activated carbon non-woven fabric is viscose fiber containing activated carbon. The utility model discloses all have fine protecting effect to non-oily particulate matter and oily particulate matter to have good mechanical strength, solved among the current market gauze mask can only protect non-oily particulate matter, safeguard function singleness, and the active carbon leaks outward, mechanical strength subalternation problem.
Description
Technical Field
The utility model belongs to the technical field of the nonwoven fabric technique is used to the health and specifically relates to an active carbon non-woven fabric for gauze mask.
Background
The mask is a sanitary article, generally worn on the mouth and nose, used for filtering air entering and exiting from the mouth and nose so as to achieve the purpose of preventing harmful gas, smell and spray from entering and exiting from the mouth and nose of a wearer, and generally made of gauze or paper and the like. At present, the mask market is prevalent and various anti-haze masks, PM2.5 masks and fine particle masks are in endless. At present, most structural design of gauze mask current on the market and the non-oily particulate matter that the filter material mainly all aimed at, the effect like current gauze mask filter media mainly is ordinary mechanical filtration, still can pour into the electrode into simultaneously, plays partial electrostatic adsorption's effect.
However, the existing mask has poor mechanical strength and is easy to damage; the injected static electricity is easy to quickly run off along with the change of time, the filtering efficiency of the filtering material can become poor, and the static electricity can not play a role in adsorbing and filtering oily particles in automobile exhaust, cooking oil fume and chemical waste gas, and is not beneficial to application. And the existing mask has poor waterproof performance.
The active carbon mask used at present mainly adopts granular active carbon arranged between two layers of fabrics, but the active carbon may leak outside under the condition, and the use is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an active carbon non-woven fabric for gauze mask for the gauze mask can have better filtering action to oily granule under having waterproof performance.
In order to solve the technical problem, the purpose of the utility model is to realize like this:
the utility model relates to an activated carbon non-woven fabric for a mask, which comprises a waterproof moisture permeable film, an activated carbon non-woven fabric, a first spun-bonded non-woven fabric, a polypropylene melt-blown non-woven fabric and a second spun-bonded non-woven fabric in sequence from the direction far away from the face to the direction close to the face; the waterproof moisture permeable film is compounded with the activated carbon non-woven fabric through the punctiform PU hot melt adhesive; the first spun-bonded adhesive non-woven fabric and the activated carbon non-woven fabric are formed by water-jet reinforcement; the first spun-bonded non-woven fabric, the polypropylene melt-blown non-woven fabric and the second spun-bonded non-woven fabric are reinforced by ultrasonic waves; the fiber used by the activated carbon non-woven fabric is viscose fiber containing activated carbon.
As a further explanation of the scheme, the waterproof moisture-permeable film is a PU film or a TPU film, the thickness is 0.01-0.2mm, and the moisture permeability is 4000g/m2/24h-10000g/m2/24h。
As a further illustration of the scheme, the polypropylene melt-blown nonwoven fabric has the cloth surface density of 20-25 grams per square meter, wherein the diameter of polypropylene fibers is 0.5-2 mu m, and the length is 15-20 cm.
As a further explanation of the above scheme, the first spunbonded nonwoven fabric and the second non-adhesive nonwoven fabric are polypropylene spunbonded nonwoven fabrics, and the surface density is 10-15 grams per square meter.
As a further illustration of the scheme, the activated carbon non-woven fabric is 22-mesh or plain weave, the diameter of the used fiber is 3-8 μm, the length is 38-51mm, and the surface density is 45-60 grams per square meter.
The utility model has the advantages that: the utility model relates to an active carbon non-woven fabric for a mask, a first spun-bonded non-woven fabric and a second spun-bonded non-woven fabric which mainly play a supporting role; the activated carbon non-woven fabric has good adsorption effect, and the activated carbon is in the fiber, so that the activated carbon cannot leak; the diameter and the fiber length of the spinning fibers in the polypropylene melt-blown cloth layer are also used for controlling the filtering material to have higher filtering efficiency on oily particles. Therefore, the utility model discloses all have fine safeguard effect to non-oily particulate matter and oily particulate matter to have good mechanical strength, solved among the current market gauze mask can only protect non-oily particulate matter, safeguard function singleness, and the active carbon leaks outward, mechanical strength subalternation problem.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
The designations in the figures illustrate the following: 1-waterproof moisture permeable film; 2-activated carbon non-woven fabric; 3-a first spunbond nonwoven; 4-polypropylene melt-blown nonwoven fabric; 5-second spunbond nonwoven.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments.
Example one
This embodiment will be described in detail with reference to fig. 1. The active carbon non-woven fabrics for gauze mask that this embodiment relates includes waterproof moisture permeable membrane, active carbon non-woven fabrics, first spunbonded nonwoven, polypropylene melt-blown non-woven fabrics and second spunbonded nonwoven in proper order by keeping away from facial orientation to pressing close to facial orientation.
The waterproof moisture permeable film and the activated carbon non-woven fabric are compounded through the punctate PU hot melt adhesive. The first spun-bonded adhesive non-woven fabric and the activated carbon non-woven fabric are reinforced by water jet. The first spun-bonded non-woven fabric, the polypropylene melt-blown non-woven fabric and the second spun-bonded non-woven fabric are reinforced by ultrasonic waves. The fiber used by the activated carbon non-woven fabric is viscose fiber containing activated carbon.
When producing the active carbon non-woven fabrics for gauze mask that this embodiment is related to, the activated carbon fiber net of the cross lapping mode after will passing through carding machine carding, lapping machine lapping overlaps the back with first spunbonded nonwoven, and through the water thorn with two-layer reinforcement again. After reinforcement, the polypropylene melt-blown non-woven fabric and the second anti-sticking non-woven fabric are sequentially laminated on one side of the first spun-bonded non-woven fabric, and the first spun-bonded non-woven fabric and the second spun-bonded non-woven fabric are composited together by using ultrasonic waves. And compounding the non-woven fabric subjected to ultrasonic compounding with a Hejiashen semi-waterproof moisture-permeable film through a dotted hot melt adhesive on one side of the activated carbon non-woven fabric.
In this example, the waterproof moisture-permeable film used was a PU film or a TPU film having a thickness of 0.01 to 0.2mm and a moisture permeability of 4000g/m2/24h-10000g/m2And/24 h. Preferably a TPU film, having a thickness of 0.1mm and a moisture permeability of 7000g/m2/24h。
In this example, the activated carbon nonwoven fabric used was a 22-mesh or plain weave, and the fiber used had a diameter of 3 to 8 μm, a length of 38 to 51mm, and an areal density of 45 to 60 g per square meter. Preferably, the fibers have a diameter of 5 μm, a length of 38mm and an areal density of 50 grams per square meter. The viscose fiber containing active carbon is prepared by pulverizing active carbon powder to active carbon micropowder with fineness less than 500 nm, and treating by ball milling or air jet milling. And (3) simultaneously adding a dispersing agent into the preparation process of the activated carbon micro powder for mixing, and uniformly mixing to obtain the activated carbon fiber micro powder added with the dispersing agent, wherein the adding amount of the dispersing agent is 3-15% of the weight of the activated carbon fiber. Dissolving the activated carbon fiber and the dispersing agent in water, and mixing with the viscose spinning solution. The mixing can adopt a stirring mode or a ball milling mode, and the short filaments containing the activated carbon fibers are obtained by mixing, filtering and defoaming and then feeding into a short filament production line. Wherein the weight ratio of the finished product fiber to the contained activated carbon fiber is 1: 0.2-1: 0.50, preferably 1: 0.5.
the polypropylene melt-blown nonwoven fabric used in this example has a density of 20-25 grams per square meter, with polypropylene fibers having a diameter of 0.5-2 μm and a length of 15-20 cm. The polypropylene melt-blown cloth layer is a non-woven fabric prepared from polypropylene serving as a raw material by a melt-blown process. The polypropylene melt-blown fabric layer is prepared by the following method: and sequentially carrying out melt extrusion, spray stretching and web formation reinforcement on polypropylene to obtain the polypropylene melt-blown cloth layer. Polypropylene is fed for melt extrusion. Wherein the melt index of the polypropylene raw material can be 800 g/min-1300 g/min, preferably 1000 g/min-1200 g/min. And then, stretching the extruded melt under the action of high-speed hot air jet to form superfine fibers. The air flow speed of the spray drawing is 10000 m/min-15000 m/min. The temperature of the air flow for the jet drawing is preferably 10 to 380 ℃, more preferably 25 to 300 ℃, and most preferably 100 to 150 ℃. The pressure of the gas stream for the jet drawing is preferably 0.1MPa to 1.1MPa, more preferably 0.5MPa to 0.9 MPa. The temperature and the pressure of hot air in the spinning process are controlled, so that the filtering efficiency of the filter material is improved, and the resistance is reduced.
In this embodiment, the first spunbonded nonwoven and the second spunbonded nonwoven are polypropylene spunbonded nonwovens with an areal density of 10 to 15 grams per square meter, preferably 15 grams per square meter. The spun-bonded non-square cloth is a non-woven cloth prepared by a spun-bonded process, namely a finished product of the spun-bonded non-woven cloth formed by sequentially and continuously carrying out four main processes of spinning, stretching, net forming and reinforcing on a polymer.
Example two
The difference between the activated carbon nonwoven fabric for a mask according to the present embodiment and the first embodiment is that a nanofiber layer is formed on the surface of the activated carbon nonwoven fabric through electrostatic spinning, and the nanofiber layer is located between the waterproof moisture-permeable film and the activated carbon nonwoven fabric. The nanofibers used were TPU nanofibers.
The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.
Claims (5)
1. An activated carbon non-woven fabric for a mask is characterized by sequentially comprising a waterproof moisture permeable film, an activated carbon non-woven fabric, a first spun-bonded non-woven fabric, a polypropylene melt-blown non-woven fabric and a second spun-bonded non-woven fabric from the direction far away from the face to the direction close to the face; the waterproof moisture permeable film is compounded with the activated carbon non-woven fabric through the punctiform PU hot melt adhesive; the first spun-bonded adhesive non-woven fabric and the activated carbon non-woven fabric are formed by water-jet reinforcement; the first spun-bonded non-woven fabric, the polypropylene melt-blown non-woven fabric and the second spun-bonded non-woven fabric are reinforced by ultrasonic waves; the fiber used by the activated carbon non-woven fabric is viscose fiber containing activated carbon.
2. The activated carbon nonwoven fabric for a mask according to claim 1, wherein the waterproof moisture-permeable film is a PU film or a TPU film, the thickness is 0.01-0.2mm, and the moisture permeability is 4000g/m2/24h-10000g/m2/24h。
3. The activated carbon nonwoven fabric for a mask according to claim 1, wherein the polypropylene melt-blown nonwoven fabric has a density of 20 to 25 g per square meter, wherein the polypropylene fiber has a diameter of 0.5 to 2 μm and a length of 15 to 20 cm.
4. The activated carbon nonwoven fabric for a mask according to claim 1, wherein the first spunbond nonwoven fabric and the second non-adhesive nonwoven fabric are polypropylene spunbond nonwoven fabrics, and the areal density is 10 to 15 g/m.
5. The activated carbon non-woven fabric for a mask according to claim 1, wherein the activated carbon non-woven fabric is a 22-mesh or plain weave, and the used fiber has a diameter of 3 to 8 μm, a length of 38 to 51mm, and an areal density of 45 to 60 g per square meter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921259289.3U CN210706410U (en) | 2019-08-05 | 2019-08-05 | Activated carbon non-woven fabric for mask |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921259289.3U CN210706410U (en) | 2019-08-05 | 2019-08-05 | Activated carbon non-woven fabric for mask |
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| CN210706410U true CN210706410U (en) | 2020-06-09 |
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| CN201921259289.3U Active CN210706410U (en) | 2019-08-05 | 2019-08-05 | Activated carbon non-woven fabric for mask |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111607895A (en) * | 2020-06-23 | 2020-09-01 | 常州工程职业技术学院 | Melt-blown fabric suitable for filtering oily particles and preparation method thereof |
| WO2022160401A1 (en) * | 2021-01-29 | 2022-08-04 | 腾飞科技股份有限公司 | Washable and reusable protective mask and manufacturing process thereof |
-
2019
- 2019-08-05 CN CN201921259289.3U patent/CN210706410U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111607895A (en) * | 2020-06-23 | 2020-09-01 | 常州工程职业技术学院 | Melt-blown fabric suitable for filtering oily particles and preparation method thereof |
| WO2022160401A1 (en) * | 2021-01-29 | 2022-08-04 | 腾飞科技股份有限公司 | Washable and reusable protective mask and manufacturing process thereof |
| JP2022117400A (en) * | 2021-01-29 | 2022-08-10 | 騰飛科技股▲ふん▼有限公司 | Repeatedly washable protective mask and manufacturing process thereof |
| JP7328288B2 (en) | 2021-01-29 | 2023-08-16 | 騰飛科技股▲ふん▼有限公司 | Reusable protective mask and its manufacturing process |
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