CN105231527A - High-function filter film and preparation method thereof and mask with multiple filter functions - Google Patents
High-function filter film and preparation method thereof and mask with multiple filter functions Download PDFInfo
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- CN105231527A CN105231527A CN201510762009.0A CN201510762009A CN105231527A CN 105231527 A CN105231527 A CN 105231527A CN 201510762009 A CN201510762009 A CN 201510762009A CN 105231527 A CN105231527 A CN 105231527A
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Abstract
The invention relates to a high-function filter film and a preparation method thereof and a mask with multiple filter functions. The mask comprises a mask body and ear ropes, the ear ropes are mounted on the left side and the right side of the mask body respectively, the mask body comprises a plurality of filter layers, and at least one of the filter layers is the high-function filter film. A coating formed by mixing sealed nanoscale silver ions and coral powder is arranged on the surface of the high-function filter film, dust, pollen and other large particles can be stopped, a high sterilization effect is achieved, PM2.5 particles can be filtered out more efficiently, and the mask guarantees the health needs of people in haze weather.
Description
Technical field
The invention belongs to protective articles, particularly relate to the mouth mask of a kind of high function filter membrane and preparation method thereof, many filtering functions.
Background technology
PM2.5 refers to that in surrounding air, aerodynamics equivalent diameter is less than or equal to the particle of 2.5 microns.It can be suspended in air the long period, and content concn is higher in atmosphere for it, just represents air pollution more serious.Although PM2.5 is the component that in earth atmosphere composition, content is little, it has important impact to air quality and visibility etc.Compared with thicker Atmospheric particulates, PM2.5 particle diameter is little, and area is large, active strong, easily attach poisonous and harmful substances (such as, heavy metal, microorganism etc.), and the time of staying is in an atmosphere grown, fed distance is far away, thus larger on the impact of health and atmosphere quality.
There is large-scale persistence haze weather in multiple provinces and cities of China in recent years, makes " PM2.5 " become the focus of people's concern.Because PM2.5 particle is on the impact of ambient air quality and human body health, very large, the common people show high enthusiasm to mouth mask, but to protect for this fine particle especially in the market, mouth mask and few, on market, the existing mouth mask overwhelming majority uses non-woven fabrics, gauze, plastic net cloth etc. to be prepared from.They to knit hole or mesh all comparatively large, unsatisfactory in the effect stoping PM2.5 particle to enter in respiratory tract.
Although some high performance mouth mask can filter PM2.5 particle, it is strong to breathe repellence compared with common mouth mask, poor air permeability, and particularly initial people can feel that breathing has some setbacks, and then causes forming water smoke at mouth mask inner surface, of long duration can breed bacteria.
Summary of the invention
Technical problem to be solved by this invention be to provide a kind of can to high function filter membrane of PM2.5 high efficiency filter and preparation method thereof, and the mouth mask with multiple filtering function adopting this high function filter membrane to make.
The present invention is achieved in that a kind of preparation method of high function filter membrane, and described preparation method comprises the steps:
Step one: coral powder is mixed in silver ion solution, obtains mixed liquor; Wherein, the weight ratio of coral powder and silver ion solution is 1:4, and in described silver ion solution, the concentration of silver ion is 0.1 ~ 0.3ppm;
Step 2: soaked 50 ~ 60 minutes in described mixed liquor by filter membrane, then takes out filter membrane and dry process.
Further, the soaking temperature of described filter membrane is 35 ~ 40 degree; The concentration of described nano-silver ionic solution is 0.1 ~ 0.3ppm; Described drying process is specially heated-air drying.
High function filter membrane provided by the invention comprises a filter membrane, and described filter membrane surface has the coating be mixed to form by the silver ion sealed up for safekeeping and coral powder, and the mass ratio of described silver ion and coral powder is 1:50.
The mouth mask with multiple filtering function provided by the invention, comprise mask body and be arranged on the ear rope on limit, the described mask body left and right sides respectively, described mask body comprises multiple filter course, it is characterized in that, has at least one deck to be high function filter membrane as above in described filter course.
Further, described multiple filter course comprises five layers from outside to inside relative to face, described first, the 4th, layer 5 is nonwoven layer, second and third layer is described high function filter membrane.
Further, described ground floor is slightly hard and thick polypropylene non-woven fabric, and the second layer is slightly thick described high function filter membrane, and third layer is soft and thin described high function filter membrane, 4th layer is more soft polyester non-woven fabric, and layer 5 is slightly soft and thin polypropylene non-woven fabric.
Further, described filter membrane is made up of polyethylene material.
Further, described mask body comprises the strip breath filter bar being arranged on internal layer top edge.
Further, described mask body also comprises the elastic cushion pad being arranged on innermost layer top edge; Middle part on limit, the described mask body left and right sides arranges " V " shape or circular-arc cut respectively; Described ear rope is flat, is made up of the flat glue of softness.
Further, described elastic cushion pad is detachable.
Compared with prior art, the surface of high function filter membrane provided by the invention has by the nano level silver ion sealed up for safekeeping and coral powder mixed coating, coral powder is Porous material, can be used in absorbed air atomic, poisonous and harmful substance in air is adsorbed onto in pore by coral powder, sterilization is carried out again by silver ion, reach the object of purification of air, not only can stop the bulky grain such as sand and dust, pollen, also has powerful bactericidal effect, more can filter PM2.5 particle efficiently, in the weather of haze, for people provide guarantee to health demand.
Accompanying drawing explanation
Fig. 1 is the inside structure schematic diagram with the mouth mask of multiple filtering function that the embodiment of the present invention provides.
Fig. 2 is that Figure 1A-A is to analysing and observe enlarged diagram.
Detailed description of the invention
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
As Fig. 1 and Fig. 2, be a preferred embodiment of the present invention, this has the mouth mask of multiple filtering function, comprises the ear rope 200 on mask body 100 and difference limit, installing port cover body 100 left and right sides.Mask body 100 comprises multiple filter course, has at least one deck to be high function filter membrane in filter course.In the present embodiment, filter course has five layers from outside to inside relative to face, wherein, ground floor 10, the 4th layer 40, layer 5 50 is nonwoven layer, the second layer 20, third layer 30 are high function filter membrane.Above-mentioned five layers of filter course back and forth fold, and can form stereochemical structure in time using, and this stereochemical structure can soft corresponding nozzle type, does not hinder and speaks, and increase space, mouth and breathe effect smoothly to reach.
Particularly, ground floor 10 is slightly hard and thick polypropylene non-woven fabric, for stopping some bulky grains such as sand and dust and pollen; The second layer 20 is slightly thick high function filter membrane, for filtering the granules such as most of PM2.5; Third layer 30 is soft and thin high function filter membrane, for filtering PM2.5 particle further, makes filter efficiency reach more than 99.9%; 4th layer 40 is more soft polyester non-woven fabric, for moisture absorption, reduces the humidity in mouth mask; Layer 5 50 is slightly soft and thin polypropylene non-woven fabric, can moisture absorption again can be soft with facial contact, allow mouth mask user have good sense of touch.In the present embodiment, high function filter membrane is the trickle filter membrane that polyethylene material is made.
The above-mentioned second layer 20 and third layer 30 are high function filter membrane, but thickness is different, in like manner, ground floor 10 and layer 5 50 are polyester non-woven fabric, but thickness, hardness are also different, the rugosity of specifically twisting thread by the material raw material of filter membrane, length, quantity, density are to realize corresponding thickness, soft or hard demand.
Mask body 100 also comprises the strip breath filter bar 60 being arranged on internal layer top edge and the elastic cushion pad 70 being arranged on innermost layer top edge, and strip breath filter bar 60 covers on elastic cushion pad 70.When user dresses mouth mask, elastic cushion pad 70 has elasticity, can be applicable to nose type and become preventing from occurring between the bridge of the nose and mouth mask gap, and the breath filter bar 60 of softness, not only close the gap that may occur further, also there is filtration, make the integral protection of mouth mask not stay dead angle.Like this for the user worn glasses, can prevent the gas of breathing out from glasses are atomized.In the present embodiment, breath filter bar 60 and elastic cushion pad 70 are all consider film by high function to make.
Middle part on limit, mask body 100 left and right sides, arrange " V " shape otch 300 respectively, this otch 300 can make mouth mask and face better fit, and prevents the appearance in gap.Can certainly be the otch of other shape, such as circular arc.Ear rope 200 is flat, is made up of the flat glue of softness, and slightly shorter than the ear rope of common mouth mask, improves mask body 100 and facial contact area, thus prevents the possibility that gap occurs further.
In sum, the mouth mask of what the embodiment of the present invention provided have multiple filtering function comprises five filter courses, and therefore the stereochemical structure of this mouth mask is larger than the support degree of general mouth mask.When the wearer breathes, greatly can avoid mouth mask laminating nostril, cause breathing to have some setbacks; Having two-layer in addition in filter course is high function filter membrane, not only can stop the bulky grain such as sand and dust, pollen, also has powerful bactericidal effect, more can filter PM2.5 particle efficiently, in the weather of haze, for people provide guarantee to health demand.
The surface of above-mentioned high function filter membrane has a coating, and this coating is formed by by the silver ion sealed up for safekeeping and coral powder mixed coating, and this silver ion is Nano grade, and the mass ratio of silver ion and coral powder is 1:50.Wherein, coral powder is Porous material, can be used in absorbed air atomic, poisonous and harmful substance in air is adsorbed onto in pore by coral powder, carry out sterilization by silver ion again, reach the object of purification of air, therefore this coating not only can filter fine particle but also silver ion has powerful bactericidal effect, thus realize alleviating mask body smell, the stink of such as halitosis and surrounding.Its preparation method specifically comprises the steps:
Step one, is mixed in coral powder in silver ion solution, obtains mixed liquor; Wherein, the weight ratio of coral powder and silver ion solution is 1:4, and in described silver ion solution, the concentration of silver ion is 0.1 ~ 0.3ppm.
In the present invention, the coral powder that coral powder is preferably naturally weathered, the particle diameter of silver ion is Nano grade.Silver ion solution silver ion can select fine silver silver rod or silver plate through ionization obtain, also the chemicals of the silver salt solution such as silver nitrate, silver sulfate and silver ion composition can be selected, the concentration of silver ions of 0.1 ~ 0.3ppm is the safe permissible value to people, is also the scope of insurance coverage value to sterilization simultaneously.The main component of coral powder is calcium carbonate, chemical reaction does not occur between itself and silver ion, and after coral powder mixes with silver ion solution, silver ion still exists in solution with independent free form.
Step 2, soaks filter membrane 50 ~ 60 minutes in described mixed liquor, then takes out filter membrane and dry process.
Particularly, soaking temperature preferably 35 ~ 40 degree, adopts heated-air drying process.After drying, silver ion and coral powder are mixed to form a coating on filter membrane, owing to sealing the silver ion with adsorptivity in this coating up for safekeeping, and the therefore adsorbable filtration pollen of this coating, influenza virus, sand and dust, PM2.5, radioactive substance etc.
Hereafter the filter effect of the high function filter membrane obtained by above-mentioned preparation method is tested:
One, experimental principle:
STMF2100 (medical mask material property specification) sets the benchmark of bacterial filtration efficiency (BFE) more than 95%.BFE test staphylococcus aureus.BFE is the ratio that filter membrane filters containing staphylococcic particle (mean particle diameter 3 μm), and VFE (particulate filter efficiency) is the ratio of filter membrane filtration test virus (diameter of general virus is all less than 1 μm).By sprayer by the aerosol containing staphylococcus aureus, be forced through filter membrane, the staphylococcus aureus that have passed is trapped by water-finder, calculates BFE with comparing of blank.By sprayer by the aerosol containing a kind of virus (this virus infections φ X174 coliphage), be forced through filter membrane, the virus that have passed is trapped by water-finder, calculates VFE with comparing of blank.
The scope of application:
The bacterium colony of the Control experiment of A=n.s filter membrane or virus infections spot,
B=has bacterium colony or the virus infections spot of sample filtering film test
Two, test method and step:
1, import bacterium or viral suspension by liquid-feeding pump to sprayer, by compressed air, bacterium or viral suspension solation are become aerosol state, adjusting flow by constant flow suction pump is that 28.3L/ divides, and sends in grass tube.
2, aerosol is by the filtration of high function filter membrane, and the remaining aerosol be not captured has combination agar medium or the water-finder ware containing colibacillary agar medium to trap in being formed by six layers.
3, cultivate this culture medium, part culture medium trapping aerosol produces in BFE test " bacterium colony " i.e. the aggregate of bacterium, in VFE tests coliform by virus infections, bacteriolyze after produce transparent spot.
4, to the test (Control experiment) of n.s combination and bacterium colony when having sample combination and infection spot counting number, BFE (%) or VFE (%) is calculated by formula.
By testing the high function filter membrane of the different number of plies, show that experimental data is as follows:
By above-mentioned test data, high function filter membrane to the filter effect of bacterium up to more than 99.9%; Also more than 96% is reached to the filter effect of virus, and along with the increase effect of the number of plies better.Because the diameter of virus is generally less than 1um, so this high function filter membrane also has very high filter effect to PM2.5.The increase of the high function filter membrane number of plies can affect the gas permeability of mouth mask in addition, and when balanced filter efficiency and gas permeability, two floor height function filter membranes selected by the mouth mask of many filtering functions of the present embodiment.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a preparation method for high function filter membrane, is characterized in that, described preparation method comprises the steps:
Step one: coral powder is mixed in silver ion solution, obtains mixed liquor; Wherein, the weight ratio of coral powder and silver ion solution is 1:4, and in described silver ion solution, the concentration of silver ion is 0.1 ~ 0.3ppm;
Step 2: soaked 50 ~ 60 minutes in described mixed liquor by filter membrane, then takes out filter membrane and dry process.
2. preparation method as claimed in claim 1, it is characterized in that, the soaking temperature of described filter membrane is 35 ~ 40 degree; Described drying process is specially heated-air drying.
3. a high function filter membrane, comprises a filter membrane, it is characterized in that, described filter membrane surface has the coating be mixed to form by the silver ion sealed up for safekeeping and coral powder, and the mass ratio of described silver ion and coral powder is 1:50.
4. one kind has the mouth mask of multiple filtering function, comprise mask body and be arranged on the ear rope on limit, the described mask body left and right sides respectively, described mask body comprises multiple filter course, it is characterized in that, has at least one deck to be high function filter membrane as claimed in claim 3 in described filter course.
5. the mouth mask with multiple filtering function according to claim 4, is characterized in that, described multiple filter course comprises five layers from outside to inside relative to face, described first, the 4th, layer 5 is nonwoven layer, second and third layer is described high function filter membrane.
6. the mouth mask with multiple filtering function according to claim 5, it is characterized in that, described ground floor is slightly hard and thick polypropylene non-woven fabric, the second layer is slightly thick described high function filter membrane, third layer is soft and thin described high function filter membrane, 4th layer is more soft polyester non-woven fabric, and layer 5 is slightly soft and thin polypropylene non-woven fabric.
7. according to the mouth mask with multiple filtering function in claim 4 to 6 described in any one, it is characterized in that, described filter membrane is made up of polyethylene material.
8. according to the mouth mask with multiple filtering function in claim 4 to 6 described in any one, it is characterized in that, described mask body comprises the strip breath filter bar being arranged on internal layer top edge.
9. according to the mouth mask with multiple filtering function in claim 4 to 6 described in any one, it is characterized in that, described mask body also comprises the elastic cushion pad being arranged on innermost layer top edge; Middle part on limit, the described mask body left and right sides arranges " V " shape or circular-arc cut respectively; Described ear rope is flat, is made up of the flat glue of softness.
10. the mouth mask with multiple filtering function according to claim 9, is characterized in that, described elastic cushion pad is detachable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510762009.0A CN105231527A (en) | 2015-11-10 | 2015-11-10 | High-function filter film and preparation method thereof and mask with multiple filter functions |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510762009.0A CN105231527A (en) | 2015-11-10 | 2015-11-10 | High-function filter film and preparation method thereof and mask with multiple filter functions |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105831851A (en) * | 2016-04-27 | 2016-08-10 | 贝壳派创新科技（深圳）有限公司 | Antibacterial cloth and antibacterial mask and preparation method thereof |
| CN111249823A (en) * | 2020-03-31 | 2020-06-09 | 江西师范大学 | Five-layer symmetrical polyimide nanofiber efficient and durable air filter |
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| CN1709062A (en) * | 2005-06-10 | 2005-12-21 | 中国乐凯胶片集团公司 | Medical stone inorganic antibacterial agent and its preparing method |
| CN1720801A (en) * | 2004-07-12 | 2006-01-18 | 深圳市清华源兴生物医药科技有限公司 | Silver carried bactericidal active carbon, its preparation process and application |
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| US20090247973A1 (en) * | 2008-03-27 | 2009-10-01 | Lin Horn Technology Co., Ltd. | Antibacterial nano-silver contained polymer absorbent and santitary articles thereof |
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Patent Citations (7)
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| DE19803921C2 (en) * | 1998-02-02 | 2002-07-11 | Stephan Spanner | Filters for the face mask |
| CN1720801A (en) * | 2004-07-12 | 2006-01-18 | 深圳市清华源兴生物医药科技有限公司 | Silver carried bactericidal active carbon, its preparation process and application |
| CN1709062A (en) * | 2005-06-10 | 2005-12-21 | 中国乐凯胶片集团公司 | Medical stone inorganic antibacterial agent and its preparing method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105831851A (en) * | 2016-04-27 | 2016-08-10 | 贝壳派创新科技（深圳）有限公司 | Antibacterial cloth and antibacterial mask and preparation method thereof |
| CN111249823A (en) * | 2020-03-31 | 2020-06-09 | 江西师范大学 | Five-layer symmetrical polyimide nanofiber efficient and durable air filter |
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