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CN206304451U - Antibacterial nano fiber air filtering material and air cleaning unit and mouth mask - Google Patents

Antibacterial nano fiber air filtering material and air cleaning unit and mouth mask Download PDF

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Publication number
CN206304451U
CN206304451U CN201621101576.8U CN201621101576U CN206304451U CN 206304451 U CN206304451 U CN 206304451U CN 201621101576 U CN201621101576 U CN 201621101576U CN 206304451 U CN206304451 U CN 206304451U
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China
Prior art keywords
cleaning unit
filtering material
filter layer
air
layer
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Expired - Fee Related
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CN201621101576.8U
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Chinese (zh)
Inventor
张丽
蒙冉菊
叶莹
谢杏蕾
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Jiaxing Vocational and Technical College
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Jiaxing Vocational and Technical College
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Abstract

The utility model provides a kind of antibacterial nano fiber air filtering material and air cleaning unit and mouth mask, the nano-fiber air filter material is included in middle substrate layer, substrate layer is non-weaving cloth, the both sides of substrate layer are the nano fibrous membranes formed by electrostatic spinning by the made spinning solution of sericin and polyethylene glycol oxide, and nano fibrous membrane has the micropore that stagger arrangement is distributed;The outside of two nano fibrous membranes is all compounded with the first filter layer that filtering is played to large granular impurity;This nano-fiber air filter material can be applied to air cleaning unit and mouth mask, can not only realize the purification to Efficient air, and with excellent anti-microbial property.

Description

Antibacterial nano fiber air filtering material and air cleaning unit and mouth mask
Technical field
The utility model belongs to technical field of air purification, is related to a kind of antibacterial nano fiber air filtering material and sky Air purifying apparatus and mouth mask.
Background technology
In recent years, China was subjected to lasting haze weather, and the provinces and cities involved constantly increase, the area of serious pollution rank Constantly increase.It is reported that the reason for causing China's long-term haze weather of large area at present is many, but Main, most direct the reason for, there is two:One is the meteorological condition to form haze, and two is the artificial origin to form haze.Artificially Reason mainly has following several:One is used from a large amount of of factory's fossil dyestuff, with the heat that coal burning is main energy resource structure Power plant and chemical plant etc. can produce many particulate matters;In each factory and enterprise production process discharge waste gas, waste residue, such as control gold, Electromechanical manufacturing industry production, the waste gas that also substantial amounts of Automobile Service spray painting, production of construction materials are discharged.Two is a large amount of rows of motor-vehicle tail-gas Putting can also produce substantial amounts of particulate matter, and these particulate matters have buried hidden danger for the generation of haze weather.Three is construction site and road The airborne dust produced on road.
Air pollution on human health causes greatly harm, and research and development air filting material is being applied to dust The fields such as exhaust filtering, motor vehicle exhaust emission filtering and haze-proof mask have turned into study hotspot in recent years.
Nanofiber is gradually promoted as the application of filtering material, and it mainly uses electrostatic spinning process, by electrostatic Spinning nano fibre is sprayed directly into be prepared on reception base material and forms filtering material, prepared filtering material generally existing filtering effect The problems such as rate is relatively low, resistance pressure drop is big.Such as Chinese patent document CN201610212835.2 discloses a kind of Static Spinning nanometer Fiber air filtering material and preparation method, prepared air filting material can only play effective to particulate matter dust impurity Filtering, micropore easy blocking when its mid-early stage filters, poor air permeability, secondly the anti-microbial property of itself is not obvious, is applied to air When on filter, unitary function causes energy consumption to increase, it is necessary to set up other purification means as auxiliary;It is applied to mouth mask When upper, due to being directly to be in contact with human body mouth and nose, anti-microbial property and comfort property are weak, easily cause human body discomfort, therefore Existing air filting material cannot meet use requirement.
Utility model content
The purpose of this utility model is directed to existing technology and there is above mentioned problem, it is proposed that a kind of antibacterial nano fiber Air filting material, with excellent anti-microbial property and strainability.
The purpose of this utility model can be realized by following technical proposal:
Antibacterial nano fiber air filtering material, including in middle substrate layer, substrate layer is non-weaving cloth, base material The both sides of layer are the nano fibrous membrane formed by electrostatic spinning by the made spinning solution of sericin and polyethylene glycol oxide, nanometer Tunica fibrosa has the micropore that stagger arrangement is distributed;The outside of two nano fibrous membranes is all compounded with the initial filter that filtering is played to large granular impurity Layer.
The antibacterial nano fiber air filtering material is symmetrical structure, realizes double filtration, makes filtering more aobvious Write more thorough, wherein large particulate matter is intercepted by outermost first filter layer, so as to accumulate in the surface of filtering material, with Removal is convenient to clean, nano fibrous membrane is used for filter small particles material and intercepts germ body, and the aperture of substrate layer is big, so as to carry Gas permeability inside the high filtering material, is more uniformly distributed filtering, it is to avoid to be resulted in blockage in side.
In above-mentioned antibacterial nano fiber air filtering material, first filter layer is non-woven fabrics or braid, first filter layer Material is selected from least one in polyethylene, polypropylene fibre, terylene, nylon, polytetrafluoroethylene (PTFE).
In above-mentioned antibacterial nano fiber air filtering material, substrate layer is non-woven fabrics, selected from spun-bonded non-woven fabrics, is melted Blown non-woven fabric, needle punched non-woven fabrics, spunlace non-woven cloth, bamboo-carbon fibre non-woven fabrics, anion nanometer non-woven fabrics, nano-silver ionic nonwoven At least one in cloth.
In above-mentioned antibacterial nano fiber air filtering material, the quality of substrate layer is 10~25g/ ㎡.
In above-mentioned antibacterial nano fiber air filtering material, the porosity of nano fibrous membrane is 80~95%, micro- Hole aperture is 0.01~6um.
In above-mentioned antibacterial nano fiber air filtering material, the fibre diameter of nano fibrous membrane for 100~ 500nm。
In above-mentioned antibacterial nano fiber air filtering material, nano fibrous membrane includes interior fibrage, median fiber Layer and outer fibre layer, interior fibrage are attached to substrate layer, and first filter layer is compound in outer fibre layer, and intermediate fibrous layers are in interior fibrage And outer fibre layer between, interior fibrage is staggeredly formed by the electrostatic spinning fiber one that the spinning solution of the first concentration is made, median fiber The multiple-layer stacked of fiber two that the spinning solution of the concentration of fiber one and second that layer is made up of the spinning solution of the first concentration is made is formed, outward Fibrage is staggeredly formed by the fiber two that the spinning solution of the second concentration is made.
The utility model additionally provides a kind of air cleaning unit, including at least one purification assembly, the purification assembly bag Housing is included, housing has air inlet and gas outlet, and filter layer is sequentially provided with according to gas flow between air inlet and gas outlet First, photocatalyst activity layer of charcoal and filter layer two, filter layer one and filter layer two include gas permeability support frame and filtering material respectively, Filtering material is fixed on gas permeability support frame, and gas permeability support frame is removably fixed in inner walls, and filtering material is using upper The antibacterial nano fiber air filtering material stated.
In above-mentioned air cleaning unit, one end of housing is the flange part with air inlet, and the outer wall of flange part is convex Buckle is provided with, the other end of housing is the concave edge portion with gas outlet, and the inwall in concave edge portion offers the draw-in groove matched with buckle, The air cleaning unit includes multiple purification assemblies being sequentially connected, the latter flange part of purification assembly and previous purification group The concave edge portion of part is detachably connected.
The utility model additionally provides a kind of mouth mask, including above-mentioned antibacterial nano fiber air filtering material.
Compared with prior art, the technical program has the advantage that:
1st, the antibacterial nano fiber air filtering material is symmetrical structure, realizes double filtration, makes filtering more Significantly more thorough, wherein large particulate matter is intercepted by outermost first filter layer, so as to accumulate in the surface of filtering material, In order to clear up removal, nano fibrous membrane is used for filter small particles material and intercepts germ body, and the aperture of substrate layer is big, so that The gas permeability inside the filtering material is improve, is more uniformly distributed filtering, it is to avoid to be resulted in blockage in side.
2nd, sericin is nontoxic, with inoxidizability, antibiotic property, also with good biocompatibility, biological degradability And the performance such as biomineralization activity, polyethylene glycol oxide is dissolved in water, cheap, and with good viscosity and extensibility, Two kinds of materials are mixed just complementary, the fibre diameter very thin, specific surface of the nano fibrous membrane as prepared by both raw materials Product is big, hole that is being formed is small, porosity is high and hole inside and outside insertion permeability it is good, particulate matter can be filtered, and The nano fibrous membrane has anti-microbial property, biodegradability, and the interception rate to germ body is high.
Brief description of the drawings
Fig. 1 is the structural representation of antibacterial nano fiber air filtering material of the present utility model.
Fig. 2 is the structural representation of nano fibrous membrane of the present utility model.
Fig. 3 is the structural representation using the air cleaning unit of antibacterial nano fiber air filtering material.
In figure, 1, substrate layer;2nd, nano fibrous membrane;3rd, first filter layer;4th, interior fibrage;5th, intermediate fibrous layers;6th, outer fiber Layer;7th, housing;8th, air inlet;9th, gas outlet;10th, filter layer one;11st, photocatalyst activity layer of charcoal;12nd, filter layer two;13rd, flange Portion;14th, concave edge portion.
Specific embodiment
The following is specific embodiment of the utility model and with reference to accompanying drawing, further is made to the technical solution of the utility model Description, but the utility model is not limited to these embodiments.
As depicted in figs. 1 and 2, the utility model provides a kind of antibacterial nano fiber air filtering material, including place In middle substrate layer 1, substrate layer 1 is non-weaving cloth, and the both sides of substrate layer 1 are made by sericin and polyethylene glycol oxide The nano fibrous membrane 2 that spinning solution is formed by electrostatic spinning, nano fibrous membrane 2 has the micropore of stagger arrangement distribution;Two nanofibers The outside of film 2 is all compounded with the first filter layer 3 that filtering is played to large granular impurity.
The antibacterial nano fiber air filtering material is symmetrical structure, realizes double filtration, makes filtering more aobvious Write more thorough, wherein large particulate matter is subject to intercepting for outermost first filter layer 3, so as to accumulate in the surface of filtering material, In order to clear up removal, nano fibrous membrane 2 is used for filter small particles material and intercepts germ body, and the aperture of substrate layer 1 is big, from And the gas permeability inside the filtering material is improve, it is more uniformly distributed filtering, it is to avoid to be resulted in blockage in side.
The porosity of nano fibrous membrane 2 is 80~95%, and micropore size is 0.01~6um.The fiber of nano fibrous membrane 2 is straight Footpath is 100~500nm.Nanofiber using electrostatic spinning process be obtained, in electrostatic spinning, substrate layer 1 as receive base material, Spinning solution high-speed flight under the effect of electrostatic stretch power, on substrate layer 1, makes electrostatic spinning nano fiber be attached to the two of substrate layer 1 Side and form nano fibrous membrane 2, wherein the spinning solution for preparing nanofiber uses sericin and polyethylene glycol oxide is raw material, go Ionized water is first obtained sericin solution and polyethylene oxide solutions as solvent, then obtains two kinds of solution mixing match Sericin/polyethylene glycol oxide spinning solution.
Sericin (silk sericin, SS) is made up of 18 kinds of amino acid such as serine, asparatate, glycine, Containing substantial amounts of carboxyl, hydroxyl and amino isopolarity group, sericin is nontoxic, with inoxidizability, antibiotic property, also with good The performances such as biocompatibility well, biological degradability and biomineralization activity.Polyethylene glycol oxide (PEO) is dissolved in water, price Cheaply, and with good viscosity and extensibility, two kinds of materials are mixed just complementary.Therefore using prepared by both raw materials Nano fibrous membrane 2 fibre diameter it is very thin, specific surface area is big, hole that is being formed is small, porosity is high and hole inside and outside pass through Logical permeability is good, and particulate matter can be filtered, and the nano fibrous membrane 2 has anti-microbial property, biodegradability, right The interception rate of germ body is high.
After the both sides of substrate layer 1 form nano fibrous membrane 2, the hot pressing of first filter layer 3 is compounded in by Nanowire by heat pressing process On dimension film 2, first filter layer 3 is non-woven fabrics or braid, and the material of first filter layer 3 is selected from polyethylene, polypropylene fibre, terylene, nylon, polytetrafluoro At least one in ethene.First filter layer 3 is one layer or be multilayer bonded to each other, when for multilayer, each layer can with identical or Person is different.
Substrate layer 1 is non-woven fabrics, selected from spun-bonded non-woven fabrics, melt spraying non-woven fabrics, needle punched non-woven fabrics, spunlace non-woven cloth, bamboo charcoal At least one in fabric nonwoven cloth, anion nanometer non-woven fabrics, nano-silver ionic non-woven fabrics.Substrate layer 1 is one layer or is Multilayer bonded to each other, when for multilayer, each layer can be with identical or difference.Preferably, the quality of substrate layer 1 is 10~25g/ ㎡。
Specifically, nano fibrous membrane 2 includes interior fibrage 4, intermediate fibrous layers 5 and outer fibre layer 6, and interior fibrage 4 adheres to In substrate layer 1, first filter layer 3 is compound in outer fibre layer 6, and intermediate fibrous layers 5 are between interior fibrage 4 and outer fibre layer 6, interior fibre The electrostatic spinning fiber one that dimension layer 4 is made up of the spinning solution of the first concentration is staggeredly formed, intermediate fibrous layers 5 by the first concentration spinning The multiple-layer stacked of fiber two that the spinning solution of the concentration of fiber one and second that liquid is made is made is formed, and outer fibre layer 6 is by the second concentration The fiber two that is made of spinning solution staggeredly form.The concentration difference of spinning solution, the diameter of the nanofiber for being formed and micropore hole Footpath also slightly has difference, so that the filter effect for being brought is also different.
As shown in figure 3, the utility model additionally provides a kind of air cleaning unit, including at least one purification assembly, should Purification assembly includes housing 7, and housing 7 has air inlet 8 and gas outlet 9, according to gas stream between air inlet 8 and gas outlet 9 To filter layer 1, photocatalyst activity layer of charcoal 11 and filter layer 2 12 is sequentially provided with, filter layer 1 and filter layer 2 12 are distinguished Including gas permeability support frame and filtering material, filtering material is fixed on gas permeability support frame, and gas permeability support frame is detachably solid Due to the inwall of housing 7, filtering material uses above-mentioned antibacterial nano fiber air filtering material.
Gas enters from the air inlet 8 of housing 7, successively by filter layer 1, photocatalyst activity layer of charcoal 11 and filter layer 2 12, by after three layers of purification filtering, being discharged from gas outlet 9.Filter layer 1 can also may be used with filter layer 2 12 with identical Different with its volume, when gas passes through filtering material, filtering material can be abutted on gas permeability support frame, gas permeability support Frame provides resistance effect for filtering material, it is to avoid resistance is excessive and causes filtering material deformation.Additionally, filter layer 1 and filtering Layer 2 12 can be removed from housing 7, be easy to remove the particulate contaminant of filtering material surface accumulation, so as to improve service life.
It is noted that filter layer 1 and filter layer 2 12 can filtration of particulate matters, and can disinfecting, antimicrobial, be in Photocatalyst activity layer of charcoal 11 between filter layer 1 and filter layer 2 12 can be decomposed to toxic gas material, therefore should The function of purification assembly is no longer single, disclosure satisfy that the diverse requirements of purification of air.
Preferably, one end of housing 7 is the flange part 13 with air inlet 8, and the outer wall of flange part 13 is convexly equipped with buckle, shell The other end of body 7 is the concave edge portion 14 with gas outlet 9, and the inwall in concave edge portion 14 offers the draw-in groove matched with buckle, the sky Air purifying apparatus include multiple purification assemblies being sequentially connected, the latter flange part of purification assembly 13 and previous purification assembly Concave edge portion 14 detachably be connected.
The clean-up effect of the air cleaning unit being connected using multiple purification assemblies is more notable, and multiple purification assemblies can Multistage purification is formed, additionally, it is noted that because filtering material is that symmetrical structure is set, purification assembly when in use Between position can be exchanged, if only with a purification assembly, this purification assembly also can end to end be exchanged and used so that peace Fill unrestricted.
The utility model additionally provides a kind of mouth mask, including above-mentioned antibacterial nano fiber air filtering material.Using Mouth mask prepared by antibacterial nano fiber air filtering material can not only intercept the pellet in air, and possess Antibacterial, sterilize, go the effect that eliminates the unusual smell, germ body can be suppressed and enter mouth and nose, docile when wearing in addition, comfort level is good, will not trigger The allergic phenomenas such as red swelling of the skin.
Specific embodiment described herein is only to the utility model spirit explanation for example.The utility model institute Category those skilled in the art can make various modifications or supplement or using similar to described specific embodiment Mode substitute, but without departing from spirit of the present utility model or surmount scope defined in appended claims.
Although more having used substrate layer 1 herein;Nano fibrous membrane 2;First filter layer 3;Interior fibrage 4;Intermediate fibrous layers 5;Outer fibre layer 6;Housing 7;Air inlet 8;Gas outlet 9;Filter layer 1;Photocatalyst activity layer of charcoal 11;Filter layer 2 12;Flange Portion 13;Concave edge portion 14.Deng term, but it is not precluded from using the possibility of other terms.Using these terms just for the sake of more Easily describe and explain essence of the present utility model;It is all new with this practicality to be construed as any additional limitation Type spirit is disagreed.

Claims (7)

1. a kind of air cleaning unit, it is characterised in that including at least one purification assembly, the purification assembly includes housing, shell Body has air inlet and gas outlet, and filter layer one, photocatalyst is sequentially provided with according to gas flow between air inlet and gas outlet Active carbon layer and filter layer two, filter layer one and filter layer two include gas permeability support frame and filtering material, filtering material respectively It is fixed on gas permeability support frame, gas permeability support frame is removably fixed in inner walls, filtering material uses antibacterial nano Fiber air filtering material, antibacterial nano fiber air filtering material includes that substrate layer is non-knitting in middle substrate layer Cloth is made, the both sides of substrate layer are the Nanowires formed by electrostatic spinning by the made spinning solution of sericin and polyethylene glycol oxide Dimension film, nano fibrous membrane has the micropore that stagger arrangement is distributed;The outside of two nano fibrous membranes is all compounded with plays to large granular impurity The first filter layer of filtering;The micropore size of nano fibrous membrane is 0.01~6 μm, and first filter layer is non-woven fabrics or braid, first filter layer Micropore size of the aperture more than nano fibrous membrane.
2. air cleaning unit according to claim 1, it is characterised in that the material of first filter layer be selected from polyethylene, polypropylene fibre, At least one in terylene, nylon, polytetrafluoroethylene (PTFE).
3. air cleaning unit according to claim 1, it is characterised in that substrate layer is non-woven fabrics, selected from spunbond nonwoven Cloth, melt spraying non-woven fabrics, needle punched non-woven fabrics, spunlace non-woven cloth, bamboo-carbon fibre non-woven fabrics, anion nanometer non-woven fabrics, Nano Silver from At least one in sub- non-woven fabrics.
4. air cleaning unit according to claim 1, it is characterised in that the quality of substrate layer is 10~25g/ ㎡.
5. air cleaning unit according to claim 1, it is characterised in that the porosity of nano fibrous membrane is 80~ 95%.
6. air cleaning unit according to claim 1, it is characterised in that the fibre diameter of nano fibrous membrane is 100~ 500nm。
7. air cleaning unit according to claim 1, it is characterised in that one end of housing is the flange with air inlet Portion, the outer wall of flange part is convexly equipped with buckle, and the other end of housing is the concave edge portion with gas outlet, and the inwall in concave edge portion is offered The draw-in groove matched with buckle, the air cleaning unit includes multiple purification assemblies being sequentially connected, latter purification assembly it is convex Edge is detachably connected with the concave edge portion of previous purification assembly.
CN201621101576.8U 2016-10-08 2016-10-08 Antibacterial nano fiber air filtering material and air cleaning unit and mouth mask Expired - Fee Related CN206304451U (en)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110124389A (en) * 2019-04-28 2019-08-16 苏州托普斯环保科技有限公司 A kind of efficient low-resistance composite filter material
CN111109715A (en) * 2020-03-06 2020-05-08 深圳市蓝谱里克科技有限公司 LED ultraviolet self-disinfection mask
CN111449335A (en) * 2020-06-08 2020-07-28 广州从化祥盛无纺布有限公司 Gauze mask
CN111729119A (en) * 2020-06-01 2020-10-02 北京化工大学 Air purification assembly with coronavirus killing function and application thereof
CN113638130A (en) * 2021-08-23 2021-11-12 无锡市鸿庆无纺布有限公司 Multipurpose environment-friendly sterilization type multilayer filtering non-woven fabric and preparation method thereof
CN113797649A (en) * 2021-08-12 2021-12-17 浙江大学 Antibacterial and antivirus air filtering material and preparation method thereof
GB2611044A (en) * 2021-09-23 2023-03-29 Dyson Technology Ltd A biodegradable filter assembly for an electrical appliance

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110124389A (en) * 2019-04-28 2019-08-16 苏州托普斯环保科技有限公司 A kind of efficient low-resistance composite filter material
CN111109715A (en) * 2020-03-06 2020-05-08 深圳市蓝谱里克科技有限公司 LED ultraviolet self-disinfection mask
CN111729119A (en) * 2020-06-01 2020-10-02 北京化工大学 Air purification assembly with coronavirus killing function and application thereof
CN111449335A (en) * 2020-06-08 2020-07-28 广州从化祥盛无纺布有限公司 Gauze mask
CN113797649A (en) * 2021-08-12 2021-12-17 浙江大学 Antibacterial and antivirus air filtering material and preparation method thereof
CN113638130A (en) * 2021-08-23 2021-11-12 无锡市鸿庆无纺布有限公司 Multipurpose environment-friendly sterilization type multilayer filtering non-woven fabric and preparation method thereof
GB2611044A (en) * 2021-09-23 2023-03-29 Dyson Technology Ltd A biodegradable filter assembly for an electrical appliance
WO2023047105A1 (en) * 2021-09-23 2023-03-30 Dyson Technology Limited A biodegradable filter assembly for an electrical appliance

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Granted publication date: 20170707

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