CN103948188A - Traditional Chinese medicine protective mask filter element capable of filtering PM2.5 - Google Patents
Traditional Chinese medicine protective mask filter element capable of filtering PM2.5 Download PDFInfo
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- CN103948188A CN103948188A CN201410181957.0A CN201410181957A CN103948188A CN 103948188 A CN103948188 A CN 103948188A CN 201410181957 A CN201410181957 A CN 201410181957A CN 103948188 A CN103948188 A CN 103948188A
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Abstract
The invention belongs to the technical field of mask filter elements and particularly relates to a traditional Chinese medicine protective mask filter element capable of filtering PM2.5, which comprises three layers of structures, including a spunbond non-woven fabric layer, an activated carbon fiber non-woven fabric layer and a lining cotton textile layer from outside to inside in sequence, wherein all the layers are adhered to one another through hot melt adhesive; non-setting adhesive is arranged at the periphery of the outer side of the lining cotton textile layer; the activated carbon fiber non-woven fabric layer is prepared through the method that a traditional Chinese medicine mixed extracting solution is sprayed onto an activated carbon fiber non-woven fabric. The traditional Chinese medicine protective mask filter element capable of filtering PM2.5 is simple in structure, low in cost and simple to manufacture, has high filtration and absorption effects, adopts a traditional Chinese medicine nursing leaching solution, and can moisten and protect lung and treat respiratory diseases; besides, the hot melt adhesive is applied to connecting of the mask filter element and a mask main body for the first time, the operation is simple and convenient, the efficiency is improved and resources are saved.
Description
Technical field
The invention belongs to mouth mask filter core technical field, be specifically related to the Chinese medicine protective mask filter core of a kind of PM2.5 of purification.
Background technology
PM2.5 pollution situation: China's urban environment air particle pollutes and presents the situation that polymorphic type is polluted, and can be divided into: traditional coal smoke type, as (especially winters) such as Urumchi, Lanzhou, Taiyuan; Coal smoke, airborne dust and motor vehicle mixed type, as Zhengzhou, Shijiazhuang etc.; Compound, as Beijing, Tianjin, Guangzhou etc.Along with economic fast development, the atmosphere polluting problem that external many decades occurs is concentrated and is occurred in the multiple cities of China, presents compound, compressed configuration.It is not up to standard that at present China exceedes 2/3 urban air-quality, entered the stage of ecological degradation on a large scale and plyability environmental pollution.If do not take effective control measure, compound Particulate Pollution state finally all will be developed in domestic most of city.PM2.5 is the primary pollutant that characterizes the compound pollution of atmosphere.Human health is had to important impact.
PM2.5 pollutes harm: PM2.5 micronic dust can directly enter bronchus after being inhaled into human body, disturb the gas exchange of lung, cause the disease that comprises the aspects such as asthma, bronchitis and cardiovascular disease, PM2.5 micronic dust enters alveolar and can be absorbed rapidly, directly enter blood circulation be distributed to whole body without liver detoxification, the ability of infringement hemoglobin delivery of oxygen, loses blood circulation.Concerning the patient of anaemia and blood circulation disorder, may increase the weight of respiratory disease, cause the heart disease such as congestive heart failure and coronary artery.Pernicious gas, heavy metal etc. in particulate is dissolved in blood, larger to the injury of health.
Only have rare old-fashioned mouth mask filter core at home and abroad, and there is following problem in mouth mask filter core in the market:
(1) filter core, only for filtering PM2.5-10 effect, does not relate to Chinese medicine moistening lung and treatment respiratory disorder aspect;
(2) the complicated inconvenience of filter core and mask main body bonding mode;
(3) low can not effectively the filtering out of filterability efficiency can suck pollution thing.
Summary of the invention
The object of this invention is to provide the Chinese medicine protective mask filter core of a kind of PM2.5 of purification, easy to operate, it is convenient to change, economize on resources, and anti-PM2.5 particle effective, good permeability.
The Chinese medicine protective mask filter core of purification PM2.5 of the present invention, comprise three-decker, be spun-bonded non-woven fabrics layer, NACF type nonwoven layer and liner cotton layer from outside to inside successively, between each layer, form by PUR is bonding, the outer periphery of liner cotton layer is provided with adhesive sticker.
The preparation method of described NACF type nonwoven layer is that NACF type nonwoven spray Chinese medicine mixed extract is made.
The preparation method of described Chinese medicine mixed extract is that the flower bud of lily magnolia, peppermint, Radix Glycyrrhizae, Radix Isatidis, five kinds of Chinese medicines of the tuber of stemona take according to mass ratio 20-30%, 5-10%, 10-20%, 30-40%, 10-20%, the extract that each Chinese medicine is obtained indescribably mixes, mixed extract is dissolved in 65-90% ethanolic solution according to the volume ratio of 1:5-10, to obtain final product.
The extract that described each Chinese medicine is obtained indescribably refers to that the flower bud of lily magnolia or peppermint adopt steam distillation to obtain essential oil, and Radix Glycyrrhizae, Radix Isatidis or the tuber of stemona adopt Microwave-Assisted Ethanol extraction method to obtain activity extract.
The present invention is the Chinese medicine protective mask filter core of a kind of PM2.5 of purification, totally three layers, successively by spun-bonded non-woven fabrics layer, NACF type nonwoven layer (Chinese medicine filter core layer), liner cotton layer, between each interlayer, form by PUR is bonding from outside to inside.This filter core adopts adhesive sticker mode with bonding with the mask main body of stick, has the characteristics such as easy to operate, replacing is convenient.Filter core of the present invention adopts NACF type nonwoven as Chinese medicine adsorption layer, can be by three layer filtration and suction-operated, and effectively realize moistening lung treatment breathing problem and intercepted the object that PM2.5 particle enters human body; Filter core specification of the present invention is set as into human L-type (10cm × 6cm), children M type (8cm × 5cm), can be according to the mask main body size Selection specification that varies in size; To be the flower bud of lily magnolia, peppermint, Radix Glycyrrhizae, Radix Isatidis, five kinds of Chinese medicines of the tuber of stemona obtain being dissolved in ethanolic solution after extract mixes and form through extracting according to the mass ratio of 20-30%, 5-10%, 10-20%, 30-40%, 10-20% the herb liquid that this filter core adsorbs, and prevents and treats rhinitis, clear order relieve sore throat, timid phlegm and relieving cough, clearing heat and detoxicating, detumescence moistening lung effect; This filter core is pieces of sheet, very light, anti-PM2.5 particle effective, and good permeability, and be replaceable use design, economize on resources, meet the characteristic of environmental requirement, meet the idea of sustainable development.
Mouth mask filter core of the present invention forms by three layers from outside to inside, be respectively spun-bonded non-woven fabrics layer, NACF type nonwoven layer (Chinese medicine filter core layer), liner cotton layer, use adhesive sticker at liner cotton layer periphery, activated carbon non-woven layer of cloth adopts Chinese medicine to infiltrate absorption, also suitably dry, be moisture state, final each layering periphery adopts PUR bonding, finally makes the replaceable filter core of the present invention.
NACF type nonwoven layer: Chinese medicine leaching activated carbon non-woven layer of cloth, this layer is chosen active carbon nonwoven fabric, adopts moistening lung to protect lung pharmaceutical preparation, and first, this layer has certain nursing function to people's respiratory system; Secondly, this layer can improve the problems such as dry of breathing by sucking gas humidifying; Finally, this layer is active carbon layer, and its strong adsorptivity can well be adsorbed airborne poisonous and harmful substance, embodies stronger catharsis.
Liner cotton layer adhesive sticker: the present invention applies to adhesive sticker in mouth mask filter core first, replaces mouth mask filter core convenient simple, and has greatly reduced the use amount of mask material, economizes on resources, and meets the characteristic of environmental requirement, meets the idea of sustainable development.
The present invention is the Chinese medicine protective mask filter core of a kind of PM2.5 of purification, between the each interlayer of this filter core, form by PUR is bonding, filter core adopt first adhesive sticker mode and mask main body bonding; The present invention adopts layer of active carbon fibrous type nonwoven first Chinese medicine preparation to be applied in the middle of control PM2.5 as Chinese medicine adsorption layer, filter core is pieces of sheet, very light, the effect that supports the use anti-PM2.5 particle with mask main body reaches 50%-90%, gas permeability is secure, and be replaceable use design, economize on resources, meet environmental requirement; This mouth mask filter core can be according to the mask main body size Selection specification that varies in size; The herb liquid property of medicine duration that this filter core adsorbs is long, can play moistening lung and control oral cavity, pharyngeal inflammation effect, is worth producing and promoting.
Filter core of the present invention can be used as common protection and purifies PM2.5 mouth mask disposable element, make mouth mask reach the effect that filtration, purification is better, on the basis of common protection PM2.5 mouth mask, the effect of anti-PM2.5 particle reaches 50%-90%, gas permeability is secure, and be replaceable use design, economize on resources, meet environmental requirement.
The present invention compared with prior art, has following beneficial effect:
(1) adopt Chinese medicine nursing leaching liquid, lung is protected in moistening lung and class disease is breathed in treatment;
(2) first adhesive sticker is applied to during mouth mask filter core is connected with mask main body, easy and simple to handle, raise the efficiency, economize on resources;
(3) the present invention is simple in structure, with low cost, makes simply, filters adsorption effect strong.
Brief description of the drawings
Fig. 1 is structural representation of the present invention;
In figure: 1, spun-bonded non-woven fabrics layer; 2, NACF type nonwoven layer; 3, liner cotton layer; 4, adhesive sticker.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is described further.
Embodiment 1
As shown in Figure 1, the Chinese medicine protective mask filter core that purifies PM2.5 comprises three-decker, be spun-bonded non-woven fabrics layer, NACF type nonwoven layer and liner cotton layer from outside to inside successively, between each layer, form by PUR is bonding, the outer periphery of liner cotton layer is provided with adhesive sticker.
The preparation method of NACF type nonwoven layer is that NACF type nonwoven spray Chinese medicine mixed extract is made.
The preparation method of Chinese medicine mixed extract takes the 20g flower bud of lily magnolia, 10g peppermint, 10g Radix Glycyrrhizae, 40g Radix Isatidis, five kinds of Chinese medicines of the 20g tuber of stemona, the extract that each Chinese medicine is obtained indescribably mixes, mixed extract is dissolved in 75% ethanolic solution according to the volume ratio of 1:5, to obtain final product.
Embodiment 2
Purify the Chinese medicine protective mask filter cartridge construction of PM2.5 with embodiment 1.
The preparation method of NACF type nonwoven layer is that NACF type nonwoven spray Chinese medicine mixed extract is made.
The preparation method of Chinese medicine mixed extract takes the 30g flower bud of lily magnolia, 5g peppermint, 20g Radix Glycyrrhizae, 35g Radix Isatidis, five kinds of Chinese medicines of the 10g tuber of stemona, the extract that each Chinese medicine is obtained indescribably mixes, mixed extract is dissolved in 65% ethanolic solution according to the volume ratio of 1:10, to obtain final product.
Embodiment 3
Purify the Chinese medicine protective mask filter cartridge construction of PM2.5 with embodiment 1.
The preparation method of NACF type nonwoven layer is that NACF type nonwoven spray Chinese medicine mixed extract is made.
The preparation method of Chinese medicine mixed extract takes the 26g flower bud of lily magnolia, 8g peppermint, 18g Radix Glycyrrhizae, 30g Radix Isatidis, five kinds of Chinese medicines of the 18g tuber of stemona, the extract that each Chinese medicine is obtained indescribably mixes, mixed extract is dissolved in 90% ethanolic solution according to the volume ratio of 1:8, to obtain final product.
Claims (3)
1. one kind purifies the Chinese medicine protective mask filter core of PM2.5, it is characterized in that comprising three-decker, spun-bonded non-woven fabrics layer, NACF type nonwoven layer and liner cotton layer from outside to inside successively, between each layer, form by PUR is bonding, the outer periphery of liner cotton layer is provided with adhesive sticker.
2. the Chinese medicine protective mask filter core of purification PM2.5 according to claim 1, the preparation method who it is characterized in that described NACF type nonwoven layer is that NACF type nonwoven spray Chinese medicine mixed extract is made.
3. the Chinese medicine protective mask filter core of purification PM2.5 according to claim 2, the preparation method who it is characterized in that described Chinese medicine mixed extract is that the flower bud of lily magnolia, peppermint, Radix Glycyrrhizae, Radix Isatidis, five kinds of Chinese medicines of the tuber of stemona take according to mass ratio 20-30%, 5-10%, 10-20%, 30-40%, 10-20%, the extract that each Chinese medicine is obtained indescribably mixes, mixed extract is dissolved in 65-90% ethanolic solution according to the volume ratio of 1:5-10, to obtain final product.
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| CN201410181957.0A CN103948188B (en) | 2014-04-30 | 2014-04-30 | The Chinese medicine protective mask filter core of purification PM2.5 |
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| CN201410181957.0A CN103948188B (en) | 2014-04-30 | 2014-04-30 | The Chinese medicine protective mask filter core of purification PM2.5 |
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| CN103948188A true CN103948188A (en) | 2014-07-30 |
| CN103948188B CN103948188B (en) | 2015-09-02 |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104207375A (en) * | 2014-09-24 | 2014-12-17 | 常州美胜生物材料有限公司 | Mask for blocking PM2.5 (Particulate Matter 2.5) particles |
| CN104338169A (en) * | 2014-10-09 | 2015-02-11 | 苏州众恩医疗科技有限公司 | Traditional Chinese medicine filter sheet and preparation method thereof |
| CN104382262A (en) * | 2014-11-19 | 2015-03-04 | 东莞市青麦田数码科技有限公司 | Reusable fog prevention mask and mask box |
| CN105249567A (en) * | 2015-11-18 | 2016-01-20 | 华文蔚 | Disposable non-woven mask |
| CN105533860A (en) * | 2016-01-28 | 2016-05-04 | 刘晨耕 | Environment-friendly health care mask |
| CN106723521A (en) * | 2017-03-14 | 2017-05-31 | 石桐瑄 | A kind of haze composition, agalloch eaglewood haze mouth mask and its preparation technology |
| CN106723519A (en) * | 2017-03-03 | 2017-05-31 | 皖南医学院 | A kind of haze mouth mask |
| CN107080309A (en) * | 2017-06-22 | 2017-08-22 | 仝家驹 | A kind of multipurpose mouth mask |
| CN107441825A (en) * | 2017-07-03 | 2017-12-08 | 马鞍山瑞美塑业有限公司 | A kind of preparation method of antibacterial Carbon fibe filter screen |
| CN107625209A (en) * | 2016-07-19 | 2018-01-26 | 西安培华学院 | A kind of plants essential oil protection pm2.5 mouth mask |
| CN108323839A (en) * | 2017-01-17 | 2018-07-27 | 北京天和万晋生物科技有限公司 | Chinese medicine haze mask |
| CN109529215A (en) * | 2017-09-22 | 2019-03-29 | 常绿株式会社 | The manufacturing method of the foldable mask in three faces with depth fabric |
| CN109619727A (en) * | 2019-01-30 | 2019-04-16 | 哈工大机器人（山东）智能装备研究院 | A kind of production method for the haze mask preventing respiratory disease |
| CN111659046A (en) * | 2020-06-15 | 2020-09-15 | 北京东瑞科技有限公司 | Protective mask |
| US11136699B2 (en) | 2018-05-14 | 2021-10-05 | Fitesa Simpsonville, Inc. | Composite sheet material, system, and method of preparing same |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6070578A (en) * | 1998-02-23 | 2000-06-06 | Baughman; David A. | Breath odor eliminator mask |
| US20050079379A1 (en) * | 2003-08-11 | 2005-04-14 | University Of Tennessee Research Foundation | Enhancement of barrier fabrics with breathable films and of face masks and filters with novel fluorochemical electret reinforcing treatment |
| CN102600412A (en) * | 2012-04-18 | 2012-07-25 | 广州潘高寿药业股份有限公司 | Application of traditional Chinese medicine composition in preparation of medicament used for preventing and improving lung particulate matter 2.5 (PM2.5) deposition |
| CN202445177U (en) * | 2012-01-19 | 2012-09-26 | 上海兴诺康纶纤维科技股份有限公司 | Mask filter sheet capable of filtering PM2.5 effectively |
| CN102793310A (en) * | 2011-05-26 | 2012-11-28 | 杨卫菊 | Health-care gauze mask |
| CN202588366U (en) * | 2012-01-12 | 2012-12-12 | 王泽辉 | Purification mask with washable and replaceable filter material |
| CN103230706A (en) * | 2013-04-27 | 2013-08-07 | 中材科技股份有限公司 | Replaceable film filter core for PM2.5 purifying mouth mask and preparation method of filter core |
| CN103610242A (en) * | 2013-12-06 | 2014-03-05 | 山东大学 | PM2.5C type mouth mask efficient in filtering |
| CN103706055A (en) * | 2013-12-17 | 2014-04-09 | 许均国 | Novel respirator |
| US20140216478A1 (en) * | 2011-06-20 | 2014-08-07 | 3M Innovative Properties Company | Multilayered nonwoven fabric with anti-allergic effect |
-
2014
- 2014-04-30 CN CN201410181957.0A patent/CN103948188B/en not_active Expired - Fee Related
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6070578A (en) * | 1998-02-23 | 2000-06-06 | Baughman; David A. | Breath odor eliminator mask |
| US20050079379A1 (en) * | 2003-08-11 | 2005-04-14 | University Of Tennessee Research Foundation | Enhancement of barrier fabrics with breathable films and of face masks and filters with novel fluorochemical electret reinforcing treatment |
| CN102793310A (en) * | 2011-05-26 | 2012-11-28 | 杨卫菊 | Health-care gauze mask |
| US20140216478A1 (en) * | 2011-06-20 | 2014-08-07 | 3M Innovative Properties Company | Multilayered nonwoven fabric with anti-allergic effect |
| CN202588366U (en) * | 2012-01-12 | 2012-12-12 | 王泽辉 | Purification mask with washable and replaceable filter material |
| CN202445177U (en) * | 2012-01-19 | 2012-09-26 | 上海兴诺康纶纤维科技股份有限公司 | Mask filter sheet capable of filtering PM2.5 effectively |
| CN102600412A (en) * | 2012-04-18 | 2012-07-25 | 广州潘高寿药业股份有限公司 | Application of traditional Chinese medicine composition in preparation of medicament used for preventing and improving lung particulate matter 2.5 (PM2.5) deposition |
| CN103230706A (en) * | 2013-04-27 | 2013-08-07 | 中材科技股份有限公司 | Replaceable film filter core for PM2.5 purifying mouth mask and preparation method of filter core |
| CN103610242A (en) * | 2013-12-06 | 2014-03-05 | 山东大学 | PM2.5C type mouth mask efficient in filtering |
| CN103706055A (en) * | 2013-12-17 | 2014-04-09 | 许均国 | Novel respirator |
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104207375A (en) * | 2014-09-24 | 2014-12-17 | 常州美胜生物材料有限公司 | Mask for blocking PM2.5 (Particulate Matter 2.5) particles |
| CN104338169A (en) * | 2014-10-09 | 2015-02-11 | 苏州众恩医疗科技有限公司 | Traditional Chinese medicine filter sheet and preparation method thereof |
| CN104338169B (en) * | 2014-10-09 | 2019-01-18 | 张雨轩 | A kind of Chinese medicine filter and preparation method thereof |
| CN104382262B (en) * | 2014-11-19 | 2016-04-06 | 东莞市青麦田数码科技有限公司 | A kind of reusable anti-fog mouth mask and gauze mask box |
| CN104382262A (en) * | 2014-11-19 | 2015-03-04 | 东莞市青麦田数码科技有限公司 | Reusable fog prevention mask and mask box |
| CN105249567A (en) * | 2015-11-18 | 2016-01-20 | 华文蔚 | Disposable non-woven mask |
| CN105533860A (en) * | 2016-01-28 | 2016-05-04 | 刘晨耕 | Environment-friendly health care mask |
| CN107625209A (en) * | 2016-07-19 | 2018-01-26 | 西安培华学院 | A kind of plants essential oil protection pm2.5 mouth mask |
| CN108323839A (en) * | 2017-01-17 | 2018-07-27 | 北京天和万晋生物科技有限公司 | Chinese medicine haze mask |
| CN106723519A (en) * | 2017-03-03 | 2017-05-31 | 皖南医学院 | A kind of haze mouth mask |
| CN106723521A (en) * | 2017-03-14 | 2017-05-31 | 石桐瑄 | A kind of haze composition, agalloch eaglewood haze mouth mask and its preparation technology |
| CN107080309A (en) * | 2017-06-22 | 2017-08-22 | 仝家驹 | A kind of multipurpose mouth mask |
| CN107441825A (en) * | 2017-07-03 | 2017-12-08 | 马鞍山瑞美塑业有限公司 | A kind of preparation method of antibacterial Carbon fibe filter screen |
| CN109529215A (en) * | 2017-09-22 | 2019-03-29 | 常绿株式会社 | The manufacturing method of the foldable mask in three faces with depth fabric |
| CN109529215B (en) * | 2017-09-22 | 2020-10-02 | 常绿株式会社 | Method for manufacturing three-side foldable mask with depth fabric |
| US11136699B2 (en) | 2018-05-14 | 2021-10-05 | Fitesa Simpsonville, Inc. | Composite sheet material, system, and method of preparing same |
| CN109619727A (en) * | 2019-01-30 | 2019-04-16 | 哈工大机器人（山东）智能装备研究院 | A kind of production method for the haze mask preventing respiratory disease |
| CN111659046A (en) * | 2020-06-15 | 2020-09-15 | 北京东瑞科技有限公司 | Protective mask |
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Effective date of registration: 20150917 Address after: 256600, No. 5, 391 the Yellow River Road, Bincheng District, Shandong, Binzhou Patentee after: Binzhou College Patentee after: Accessories during Binzhou environmental protection science technical research institute Address before: 256600 Bohai environmental protection building, No. 18, 669 Road, Shandong, Binzhou, Binzhou City Environmental Protection Research Institute Patentee before: Li Jialiang |
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Granted publication date: 20150902 Termination date: 20160430 |