CN204908042U - Gauze mask filter element of bio -safety - Google Patents
Gauze mask filter element of bio -safety Download PDFInfo
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- CN204908042U CN204908042U CN201520637122.1U CN201520637122U CN204908042U CN 204908042 U CN204908042 U CN 204908042U CN 201520637122 U CN201520637122 U CN 201520637122U CN 204908042 U CN204908042 U CN 204908042U
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Abstract
The utility model relates to a gauze mask filter element of bio -safety, it forms to be superposeed in proper order to compound by the four -layer structure, the four -layer structure is arranged in proper order from inside to outside and is dustless cloth layer, biological protection layer, supporting layer and high efficiency filter layer respectively. The beneficial effects of the utility model are that: 1 )The stiffness of supporting layer material is high, and the aperture is big, and respiratory resistance is low, can guarantee effectual breathing area, and internal laminiform one -tenth is effectively protected, 2 )Antibiotic materials such as quaternary ammonium salt, antibiotic can be added in the high efficiency filter layer in the dope, make the filter layer possess antibiotic characteristic, 3 )Thin respiratory resistance is little for the biological protection layer thickness, fracture fibre piece that can effective filtration high efficiency filter layer, 4 )The fiber breakage on biological protection layer can be absorbed by human degradation in the specific time after the respiratory track gets into the human body to avoid the healthy hidden danger such as bronchitis, pneumonia and pulmonary edema that arouse by the gauze mask fibre, 5 )The soft sense of touch in dustless cloth layer is good, difficult irritated, and not defiber just rubs.
Description
Technical field
The utility model belongs to mouth mask articles for use technical field, is specifically related to a kind of mouth mask filter disc of bio-safety.
Background technology
Mouth mask is widely used a kind of product in order to stop haze, sand and dust and bacterial virus to enter respiratory tract in people's daily life, can effective some respiratory disease caused by haze, sand and dust and bacterial virus etc. and airborne disease of prevention and control.Many containing nanofiber in current mouth mask filter material, consider in processing technology and use procedure folding, friction and aging action, the nanofiber fracture of trace is had in filter course in use procedure, the nanofiber of fracture can enter respiratory system along with breathing, especially size is less than the nanofiber of 300nm, causes irreversible harm to health.Nanofiber is main after being absorbed by organism by respiratory system to be absorbed by cell membrane in Passive diffusion mode, because its particle diameter is very little, so its Brownian movement speed is very fast, is mainly attached in alveolar and larger bronchus.Be attached to the indissoluble nanofiber of alveolar surface, what have is detained, and easily brings out lung's organic disease; Arrived in the lymph gland had or with lymph liquid arrive blood, bring larger threat to health.Recent multinomial research finds, nano material can deposit in each section of the respiratory tract of animal and alveolar, and obvious pulmonary alveolar macrophage (AM) can be caused to damage, and may cause bronchitis, pneumonia and pulmonary edema, serious meeting causing death.
Utility model content
For above-mentioned problems of the prior art, the purpose of this utility model is to provide a kind of mouth mask filter disc avoiding the bio-safety occurring above-mentioned technological deficiency.
In order to realize above-mentioned utility model object, the technical solution adopted in the utility model is as follows:
A mouth mask filter disc for bio-safety, is formed by four-layer structure successively superimposion, and described four-layer structure is arranged in order from inside to outside and is respectively dustless layer of cloth 1, biological protection layer 2, supporting layer 3 and high efficiency filter layer 4.
Further, described dustless layer of cloth 1 is polyesters non-dust cloth.
Further, described biological protection layer 2 is biodegradable and absorbs Electrospun nano-fibers film, and thickness is 1 μm-6 μm, and average pore size is 50nm-200nm.
Further, described supporting layer 3 is short fiber fabric hot rolled nonwoven fabrics, and thickness is 20 μm-300 μm, and grammes per square metre is 20g/m
2-100g/m
2, gas permeability index is 4000-10000.
Further, described high efficiency filter layer 4 is electrostatic spinning polyvinyl butyral resin or polyvinyl alcohol film, and thickness is 5 μm-100 μm, average pore size 0.1 μm-10 μm.
The beneficial effect that the mouth mask filter disc of the bio-safety that the utility model provides can reach is: 1) supporting layer is the non-woven fabrics of short fiber hot rolling, the stiffness of material is high, aperture is large, and respiratory resistance is low, not only can ensure effective Respiratory area but also can be formed with effect protection to internal layer; 2) high efficiency filter layer is electrostatic spinning polyvinyl butyral film, and difficulty of processing is low, and can add the antibacterial material such as quaternary ammonium salt, antibiotic in spinning solution, makes filter course possess antibacterial characteristics; 3) biological protection layer average pore size is 50-200nm, and thickness is 1-6 μm, and the thin respiratory resistance of thickness is little, and effectively can filter the broken fiber chip of high efficiency filter layer; 4) biological protection layer is biodegradable and absorbing material, and fibrous fracture enters after human body through respiratory tract, can be absorbed, thus avoid the healthy hidden danger such as bronchitis, pneumonia and the pulmonary edema caused by mouth mask fiber in special time by human body degraded; 5) nonwoven layer is polyesters non-dust cloth, and flexible touch is good, not easily irritated, and the not defiber that rubs, the needs of practical application can be met well.
Accompanying drawing explanation
Fig. 1 is STRUCTURE DECOMPOSITION schematic diagram of the present utility model;
In figure, the dustless layer of cloth of 1-, 2-biological protection layer, 3-supporting layer, 4-high efficiency filter layer.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described further.
Embodiment 1
As shown in Figure 1, a kind of mouth mask filter disc of bio-safety, formed by four-layer structure successively superimposion, described four-layer structure is arranged in order from inside to outside and is respectively dustless layer of cloth 1, biological protection layer 2, supporting layer 3 and high efficiency filter layer 4, and biological protection layer 2 is biodegradable and absorbs Electrospun nano-fibers film.
In the present embodiment, dustless layer of cloth 1 is weaved cotton cloth for laser edge bonding polyester fiber is two;
In the present embodiment, biological protection layer 2 is electrostatic spinning polylactic acid film, and thickness is 1 μm, average pore size 50nm;
In the present embodiment, supporting layer 3 is short fiber hot rolling polypropylene electret non-woven fabrics, and thickness is 20 μm, and grammes per square metre is 20g/m
2, gas permeability index 4000;
In the present embodiment, high efficiency filter layer 4 is electrostatic spinning polyvinyl butyral film, and thickness is 5 μm, average pore size 0.1 μm.
In the present embodiment, biological protection layer 2 and high efficiency filter layer 4 are prepared by method of electrostatic spinning and are compound on supporting layer 3, then with dustless layer of cloth 1 compound, and obtained finished product after Co-60 radiosterilization.
Embodiment 2
As shown in Figure 1, a kind of mouth mask filter disc of bio-safety, formed by four-layer structure successively superimposion, described four-layer structure is arranged in order from inside to outside and is respectively dustless layer of cloth 1, biological protection layer 2, supporting layer 3 and high efficiency filter layer 4, and biological protection layer 2 is biodegradable and absorb.
In the present embodiment, dustless layer of cloth 1 is weaved cotton cloth for laser edge bonding polyester fiber is two;
In the present embodiment, biological protection layer 2 is electrostatic spinning polylactic-co-glycolic acid film, and thickness is 6 μm, average pore size 200nm;
In the present embodiment, supporting layer 3 is short fiber hot rolling polypropylene electret non-woven fabrics, and thickness is 300 μm, and grammes per square metre is 100g/m
2, gas permeability index 10000;
In the present embodiment, high efficiency filter layer 4 is electrostatic spinning polyvinyl butyral film, and thickness is 100 μm, average pore size 10 μm.
In the present embodiment, biological protection layer 2 and high efficiency filter layer 4 are compound on supporting layer 3 and dustless layer of cloth 1 by method of electrostatic spinning respectively, then by supporting layer 3 and dustless layer of cloth 1 compound, and obtained finished product after Co-60 radiosterilization.
Embodiment 3
As shown in Figure 1, a kind of mouth mask filter disc of bio-safety, formed by four-layer structure successively superimposion, described four-layer structure is arranged in order from inside to outside and is respectively dustless layer of cloth 1, biological protection layer 2, supporting layer 3 and high efficiency filter layer 4, and biological protection layer 2 is biodegradable and absorb.
In the present embodiment, dustless layer of cloth 1 is weaved cotton cloth for laser edge bonding polyester fiber is two;
In the present embodiment, biological protection layer 2 is electrostatic spinning PLGA-PEG-PLGA film, and thickness is 2 μm, average pore size 80nm;
In the present embodiment, supporting layer 3 is short fiber hot rolling polypropylene electret non-woven fabrics, and thickness is 80 μm, and grammes per square metre is 30g/m
2, gas permeability index 5000;
In the present embodiment, high efficiency filter layer 4 is electrostatic spinning polyvinyl butyral film, and thickness is 20 μm, average pore size 0.5 μm.
In the present embodiment, biological protection layer 2 and high efficiency filter layer 4 are prepared by method of electrostatic spinning and are compound on supporting layer 3, then with dustless layer of cloth 1 compound, and obtained finished product after Co-60 radiosterilization.
Embodiment 4
As shown in Figure 1, a kind of mouth mask filter disc of bio-safety, formed by four-layer structure successively superimposion, described four-layer structure is arranged in order from inside to outside and is respectively dustless layer of cloth 1, biological protection layer 2, supporting layer 3 and high efficiency filter layer 4, and biological protection layer 2 is biodegradable and absorb.
In the present embodiment, dustless layer of cloth 1 is weaved cotton cloth for laser edge bonding polyester fiber is two;
In the present embodiment, biological protection layer 2 is electrostatic spinning end carboxyl polylactic acid film, and thickness is 3 μm, average pore size 100nm;
In the present embodiment, supporting layer 3 is short fiber hot rolling polypropylene electret non-woven fabrics, and thickness is 150 μm, and grammes per square metre is 50g/m
2, gas permeability index 6000;
In the present embodiment, high efficiency filter layer 4 is electrostatic spinning polyvinyl butyral film, and thickness is 50 μm, average pore size 1 μm.
In the present embodiment, biological protection layer 2 and high efficiency filter layer 4 are prepared by method of electrostatic spinning and are compound on supporting layer 3, then with dustless layer of cloth 1 compound, and obtained finished product after Co-60 radiosterilization.
Embodiment 5
As shown in Figure 1, a kind of mouth mask filter disc of bio-safety, formed by four-layer structure successively superimposion, described four-layer structure is arranged in order from inside to outside and is respectively dustless layer of cloth 1, biological protection layer 2, supporting layer 3 and high efficiency filter layer 4, and biological protection layer 2 is biodegradable and absorb.
In the present embodiment, dustless layer of cloth 1 is weaved cotton cloth for laser edge bonding polyester fiber is two;
In the present embodiment, biological protection layer 2 is electrostatic spinning hydroxyl-terminated polylactic acid/polycaprolactone co-polymer film, and thickness is 4 μm, average pore size 120nm;
In the present embodiment, supporting layer 3 is short fiber hot rolling polypropylene electret non-woven fabrics, and thickness is 200 μm, and grammes per square metre is 60g/m
2, gas permeability index 7000;
In the present embodiment, high efficiency filter layer 4 is electrostatic spinning polyvinyl butyral film, and thickness is 60 μm, average pore size 3 μm.
In the present embodiment, biological protection layer 2 and high efficiency filter layer 4 are prepared by method of electrostatic spinning and to be compound on supporting layer 3, then with dustless layer of cloth 1 compound, and obtained finished product after Co-60 radiosterilization.
Embodiment 6
As shown in Figure 1, a kind of mouth mask filter disc of bio-safety, formed by four-layer structure successively superimposion, described four-layer structure is arranged in order from inside to outside and is respectively dustless layer of cloth 1, biological protection layer 2, supporting layer 3 and high efficiency filter layer 4, and biological protection layer is biodegradable and absorb.
In the present embodiment, dustless layer of cloth 1 is weaved cotton cloth for laser edge bonding polyester fiber is two;
In the present embodiment, biological protection layer 2 is electrostatic spinning PTMC film, and thickness is 5 μm, average pore size 150nm;
In the present embodiment, supporting layer 3 is short fiber hot rolling polypropylene electret non-woven fabrics, and thickness is 240 μm, and grammes per square metre is 80g/m
2, gas permeability index 8000;
In the present embodiment, high efficiency filter layer 4 is electrostatic spinning polyvinyl butyral film, and thickness is 70 μm, average pore size 5 μm.
In the present embodiment, biological protection layer 2 and high efficiency filter layer 4 are prepared by method of electrostatic spinning and are compound on supporting layer 2, then with dustless layer of cloth 1 compound, and obtained finished product after Co-60 radiosterilization.
Embodiment 7
As shown in Figure 1, a kind of mouth mask filter disc of bio-safety, formed by four-layer structure successively superimposion, described four-layer structure is arranged in order from inside to outside and is respectively dustless layer of cloth 1, biological protection layer 2, supporting layer 3 and high efficiency filter layer 4, and biological protection layer is biodegradable and absorb.
In the present embodiment, dustless layer of cloth 1 is weaved cotton cloth for laser edge bonding polyester fiber is two;
In the present embodiment, biological protection layer 2 for electrostatic spinning poly-to dioxy cyclohexanone film, thickness is 5.5 μm, average pore size 180nm;
In the present embodiment, supporting layer 3 is short fiber hot rolling polypropylene electret non-woven fabrics, and thickness is 280 μm, and grammes per square metre is 90g/m
2, gas permeability index 9000;
In the present embodiment, high efficiency filter layer 4 is electrostatic spinning polyvinyl butyral film, and thickness is 80 μm, average pore size 8 μm.
In the present embodiment, biological protection layer 2 and high efficiency filter layer 4 are prepared by method of electrostatic spinning and are compound on supporting layer 3, then with dustless layer of cloth 1 compound, and obtained finished product after Co-60 radiosterilization.
In addition, the material of the biological protection layer 2 in above embodiment can replace with PLA, polylactic-co-glycolic acid, PLGA-PEG-PLGA, end carboxyl PLA, hydroxyl-terminated polylactic acid-polycaprolactone co-polymer, PTMC and copolymer thereof, gather any one in dioxy cyclohexanone and copolymer thereof.Dustless layer of cloth 1 of the present utility model is polyesters non-dust cloth.
The beneficial effect that the mouth mask filter disc of the bio-safety that the utility model provides can reach is: 1) supporting layer is the non-woven fabrics of short fiber hot rolling, the stiffness of material is high, aperture is large, and respiratory resistance is low, not only can ensure effective Respiratory area but also can be formed with effect protection to internal layer; 2) high efficiency filter layer is electrostatic spinning polyvinyl butyral film, and difficulty of processing is low, and can add the antibacterial material such as quaternary ammonium salt, antibiotic in spinning solution, makes filter course possess antibacterial characteristics; 3) biological protection layer average pore size is 50-200nm, and thickness is 1-6 μm, and the thin respiratory resistance of thickness is little, and effectively can filter the broken fiber chip of high efficiency filter layer; 4) biological protection layer is biodegradable and absorbing material, and fibrous fracture enters after human body through respiratory tract, can be absorbed, thus avoid the healthy hidden danger such as bronchitis, pneumonia and the pulmonary edema caused by mouth mask fiber in special time by human body degraded; 5) nonwoven layer is polyesters non-dust cloth, and flexible touch is good, not easily irritated, and the not defiber that rubs, the needs of practical application can be met well.
The above embodiment only have expressed embodiment of the present utility model, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.
Claims (5)
1. the mouth mask filter disc of a bio-safety, it is characterized in that, formed by four-layer structure successively superimposion, described four-layer structure is arranged in order from inside to outside and is respectively dustless layer of cloth (1), biological protection layer (2), supporting layer (3) and high efficiency filter layer (4).
2. the mouth mask filter disc of bio-safety according to claim 1, is characterized in that, described dustless layer of cloth (1) is polyesters non-dust cloth.
3. the mouth mask filter disc of bio-safety according to claim 1, is characterized in that, described biological protection layer (2) is biodegradable and absorption Electrospun nano-fibers film, and thickness is 1 μm-6 μm, and average pore size is 50nm-200nm.
4. the mouth mask filter disc of bio-safety according to claim 1, is characterized in that, described supporting layer (3) is short fiber fabric hot rolled nonwoven fabrics, and thickness is 20 μm-300 μm, and grammes per square metre is 20g/m
2-100g/m
2, gas permeability index is 4000-10000.
5. the mouth mask filter disc of bio-safety according to claim 1, is characterized in that, described high efficiency filter layer (4) is electrostatic spinning polyvinyl butyral resin or polyvinyl alcohol film, and thickness is 5 μm-100 μm, average pore size 0.1 μm-10 μm.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520637122.1U CN204908042U (en) | 2015-08-24 | 2015-08-24 | Gauze mask filter element of bio -safety |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520637122.1U CN204908042U (en) | 2015-08-24 | 2015-08-24 | Gauze mask filter element of bio -safety |
Publications (1)
| Publication Number | Publication Date |
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| CN204908042U true CN204908042U (en) | 2015-12-30 |
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|---|---|---|---|
| CN201520637122.1U Active CN204908042U (en) | 2015-08-24 | 2015-08-24 | Gauze mask filter element of bio -safety |
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|---|---|
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2015
- 2015-08-24 CN CN201520637122.1U patent/CN204908042U/en active Active
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