CN103230707A - Special film non-woven fabric for PM2.5 purifying mouth mask and preparation method thereof - Google Patents
Special film non-woven fabric for PM2.5 purifying mouth mask and preparation method thereof Download PDFInfo
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- CN103230707A CN103230707A CN201310154292XA CN201310154292A CN103230707A CN 103230707 A CN103230707 A CN 103230707A CN 201310154292X A CN201310154292X A CN 201310154292XA CN 201310154292 A CN201310154292 A CN 201310154292A CN 103230707 A CN103230707 A CN 103230707A
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Abstract
The invention relates to a special film non-woven fabric for a PM2.5 purifying mouth mask. The special film non-woven fabric comprises two layers of nonwoven fabrics, and a layer of polytetrafluoroethylene microporous film is also arranged between the two layers of nonwoven fabrics. The preparation method comprises the following steps: placing the polytetrafluoroethylene microporous film between the two layers of nonwoven fabrics, and carrying out thermocompression so as to adhere the polytetrafluoroethylene microporous film to the two layers of nonwoven fabrics. The special film non-woven fabric for the PM2.5 purifying mouth mask has advantages that the filter efficiency is above 99.97%, and the air penetrability is above 8.0cm/s, most PM2.5 particles can be blocked; the special film non-woven fabric can be used for preparing the PM2.5 purifying mouth mask, smooth breathing is also ensured, the disadvantage of suppressed sensation when the mouth mask is worn is solved, and the wearing comfort is ensured.
Description
Technical field
The present invention relates to special-purpose overlay film nonwoven of a kind of purification PM2.5 mouth mask and preparation method thereof, especially a kind of mouth mask overlay film nonwoven and preparation method thereof that intercepts the PM2.5 particle.
Background technology
Along with all parts of the country begin progressively to implement new air quality evaluation criterion, and dense haze weather has appearred continuing in the many provinces and cities of China recently, makes " PM2.5 " more and more become the emphasis that people pay close attention to.
Because the PM2.5 particle is very big to the influence of health and atmosphere quality, the common people have shown great enthusiasm to mouth mask, but the special mouth mask that protects at this superfine particle is also few in the market, the existing mouth mask overwhelming majority is to use nonwoven, gauze, plastics screen cloth etc. to be prepared from the market, they knit the hole or mesh is all bigger, the particle that some are tiny or flue dust can also pass mouth mask and enter nasal cavity.
Summary of the invention
The objective of the invention is to solve the relative excessive PM2.5 particles that can't stop in mouth mask gap such as present common gauze, non-woven fabrics gauze mask and plastics screen cloth, provide a kind of and can stop most PM2.5 particles, and ensure the smoothness of breathing, the comfortableness of wearing, allow the people breathe the special-purpose overlay film nonwoven of mouth mask of high-quality air.
Polytetrafluoroethylene (PTFE) is very important a kind of engineering plastics owing to have chemistry and the physical property of a series of excellences, in a lot of fields application is arranged, and also is a kind of important membrane material.Microporous teflon membran is except having excellent chemistry and physical property, and because little, the advantages such as porosity is high, waterproof and breathable, wind-proof warming in its aperture have important application prospects in fields such as chemical industry, medical treatment, clothes, electronics.
Polytetrafluoroethylene (PTFE) overlay film filter material has been widely used in the supporting sack cleaners of dust-filtering such as metallurgy, coal-burning power plant, garbage burning factory, cement plant, coal-burning boiler, makes the overlay film filter material give play to unprecedented core force aspect the environmental protection just because of the good strainability of microporous teflon membran.
Technical scheme
The special-purpose overlay film nonwoven of purification PM2.5 mouth mask of the present invention comprises two-layer nonwoven, also is provided with one deck microporous teflon membran between two-layer nonwoven.
The grammes per square metre of described nonwoven is 20～40g/m
2
The grammes per square metre of described microporous teflon membran is 1.0～4.0g/m
2, pore size is 0.1～1.0 μ m, and porosity is 80～90%, and air penetrability is 8～15cm/s.
The present invention utilizes small-bore, the high porosity of microporous teflon membran to realize taking into account and filters the PM2.5 particle and breathe smooth and easy sense, realizes intercepting the purpose that the PM2.5 particle enters human body effectively.
The preparation method of the special-purpose overlay film nonwoven of purification PM2.5 mouth mask of the present invention: microporous teflon membran is placed between the two-layer nonwoven, and hot pressing is overlying on the two-layer nonwoven microporous teflon membran.
Described hot pressing temperature is 80～150 ℃.
Described hot press operation is heat fusion joint pressure, hot pressing overlay film or utilizes the eva PUR.Heat fusion joint is pressed and the hot pressing overlay film all is to make part fibers melt in the nonwoven by heating, puddle plays adhesive, pass through ambient pressure, make the fibers melt part that PTFE film and nonwoven are bonded together preferably, the hot pressing film coating technique is that whole face is exerted pressure, the monoblock film is laminated with in nonwoven surface, and it is that point-like is stressed that heat fusion joint is pressed, and makes between film and the nonwoven to be spot bonding; The eva PUR then is to play to substitute fused fiber part in heat fusion joint pressure and the hot pressing film coating technique, and eva PUR fusing point is lower, can reduce the overlay film temperature, and bonding effect is also better, and low temperature can reduce hot pressing to the infringement of PTFE film.
The filter efficiency of the special-purpose overlay film nonwoven of purification of the present invention PM2.5 mouth mask all more than 99.97%, air penetrability is all more than 8.0cm/s, can stop most PM2.5 particles, can be used for preparation and purify the PM2.5 mouth mask, ensured the smoothness of breathing simultaneously, solve the drawback of feeling oppressed when wearing mouth mask, guaranteed the comfortableness of dressing.By the overlay film nonwoven that this preparation method makes, Acceptable life is long, prevents the effective, light and comfortable of PM2.5 particle, is worth producing also promoting.
Description of drawings
Fig. 1 is the structural representation of the special-purpose overlay film nonwoven of purification PM2.5 mouth mask of the embodiment of the invention 1.
The specific embodiment
The present invention is described in further detail below with reference to drawings and Examples.
As Fig. 1, the special-purpose overlay film nonwoven of the purification PM2.5 mouth mask of present embodiment comprises two-layer nonwoven 1, also is provided with one deck microporous teflon membran 2 between two-layer nonwoven 1.The grammes per square metre of described nonwoven 1 is 30g/m
2The grammes per square metre of described microporous teflon membran 2 is 2.0g/m
2, the aperture is 0.8 μ m, and porosity is 85%, and air penetrability is 14.64cm/s.
Preparation method: microporous teflon membran is placed between the two component nonwoven of two-layer PE/PP, thereby realize microporous teflon membran is overlying on the nonwoven by PE fiber in the two component nonwoven of heat fusion joint pressure technology fusing.Described hot pressing temperature is 120 ℃.
Prepared overlay film nonwoven is after tested: filter efficiency is 99.982%, and filtration resistance is 173Pa, and air penetrability is 10.61cm/s.
Annotate: filter efficiency and filtration resistance test are with reference to standard GB 2626-2006, and the air penetrability test pressure is 127Pa, and the method for testing of following examples and embodiment 1 are together.
The special-purpose overlay film nonwoven of the purification PM2.5 mouth mask of present embodiment comprises two-layer nonwoven, also is provided with one deck microporous teflon membran between two-layer nonwoven.The grammes per square metre of described nonwoven is 30g/m
2The grammes per square metre of described microporous teflon membran is 4.0g/m
2, the aperture is 0.8 μ m, and porosity is 90%, and air penetrability is 12.7cm/s.
Preparation method: microporous teflon membran is placed between the two component nonwoven of two-layer PE/PET, thereby realize microporous teflon membran is overlying on the nonwoven by PE fiber in the two component nonwoven of heat fusion joint pressure technology fusing.Described hot pressing temperature is 130 ℃.
Prepared overlay film nonwoven is after tested: filter efficiency is 99.975%, and filtration resistance is 192Pa, and air penetrability is 8.86cm/s.
Embodiment 3
The special-purpose overlay film nonwoven of the purification PM2.5 mouth mask of present embodiment comprises two-layer nonwoven, also is provided with one deck microporous teflon membran between two-layer nonwoven.The grammes per square metre of described nonwoven is 40g/m
2The grammes per square metre of described microporous teflon membran is 2.0g/m
2, the aperture is 1.0 μ m, and porosity is 80%, and air penetrability is 10.5cm/s.
Preparation method: microporous teflon membran is placed between the two-layer PP spun-bonded non-woven fabrics, utilize the hot pressing film coating technique directly with microporous teflon membran and the bonding overlay film nonwoven of preparing of spun-bonded non-woven fabrics.Described hot pressing temperature is 120 ℃.
Prepared overlay film nonwoven is after tested: filter efficiency is 99.993%, and filtration resistance is 206Pa, and air penetrability is 8.72cm/s.
Embodiment 4
The special-purpose overlay film nonwoven of the purification PM2.5 mouth mask of present embodiment comprises two-layer nonwoven, also is provided with one deck microporous teflon membran between two-layer nonwoven.The grammes per square metre of described nonwoven is 30g/m
2The grammes per square metre of described microporous teflon membran is 2.0g/m
2, the aperture is 1.0 μ m, and porosity is 87%, and air penetrability is 14.7cm/s.
Preparation method: microporous teflon membran is placed between the two-layer PET spun-bonded non-woven fabrics, utilize the hot pressing film coating technique directly with microporous teflon membran and the bonding overlay film nonwoven of preparing of spun-bonded non-woven fabrics.Described hot pressing temperature is 150 ℃.
Prepared overlay film nonwoven is after tested: filter efficiency is 99.996%, and filtration resistance is 236Pa, and air penetrability is 8.35cm/s.
Embodiment 5
The special-purpose overlay film nonwoven of the purification PM2.5 mouth mask of present embodiment comprises two-layer nonwoven, also is provided with one deck microporous teflon membran between two-layer nonwoven.The grammes per square metre of described nonwoven is 30g/m
2The grammes per square metre of described microporous teflon membran is 4.0g/m
2, the aperture is 0.8 μ m, and porosity is 80%, and air penetrability is 12.7cm/s.
The preparation method: microporous teflon membran is placed between the two-layer nonwoven, the even point-like eva PUR that is scattered here and there between nonwoven and microporous teflon membran, hot pressing is to realize the chemical adhesion between microporous teflon membran and the nonwoven.Described hot pressing temperature is 80 ℃.
Prepared overlay film nonwoven is after tested: filter efficiency is 99.997%, and filtration resistance is 157Pa, and air penetrability is 10.57cm/s.
In sum, the filter efficiency of the special-purpose overlay film nonwoven of purification of the present invention PM2.5 mouth mask all more than 99.97%, air penetrability is all more than 8.0cm/s, realized effectively taking into account and filtered the PM2.5 particle and breathe smooth and easy sense, reach and intercept the purpose that the PM2.5 particle enters human body, and ensured the smoothness of breathing, solve the drawback of feeling oppressed when wearing mouth mask, guaranteed the comfortableness of dressing.
Claims (6)
1. one kind purifies the special-purpose overlay film nonwoven of PM2.5 mouth mask, comprises two-layer nonwoven, it is characterized in that, also is provided with one deck microporous teflon membran between two-layer nonwoven.
2. the special-purpose overlay film nonwoven of purification PM2.5 mouth mask as claimed in claim 1 is characterized in that the grammes per square metre of described nonwoven is 20～40g/m
2
3. the special-purpose overlay film nonwoven of purification PM2.5 mouth mask as claimed in claim 1 or 2 is characterized in that the grammes per square metre of described microporous teflon membran is 1.0～4.0g/m
2, pore size is 0.1～1.0 μ m, and porosity is 80～90%, and air penetrability is 8～15cm/s.
4. the preparation method of claim 1 or the special-purpose overlay film nonwoven of 2 or 3 described purification PM2.5 mouth masks is characterized in that microporous teflon membran is placed between the two-layer nonwoven, and hot pressing is overlying on the two-layer nonwoven microporous teflon membran.
5. the preparation method of the special-purpose overlay film nonwoven of purification PM2.5 mouth mask as claimed in claim 4 is characterized in that described hot pressing temperature is 80～150 ℃.
6. as the preparation method of claim 4 or the special-purpose overlay film nonwoven of 5 described purification PM2.5 mouth masks, it is characterized in that described hot press operation is heat fusion joint pressure, hot pressing overlay film or utilizes the eva PUR.
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| CN201310154292XA CN103230707A (en) | 2013-04-27 | 2013-04-27 | Special film non-woven fabric for PM2.5 purifying mouth mask and preparation method thereof |
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| CN201310154292XA CN103230707A (en) | 2013-04-27 | 2013-04-27 | Special film non-woven fabric for PM2.5 purifying mouth mask and preparation method thereof |
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Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103550985A (en) * | 2013-11-05 | 2014-02-05 | 中材科技股份有限公司 | High-air permeability non-woven fabric laminated filtering material and preparation method thereof as well as laminating device |
| CN103611369A (en) * | 2013-12-06 | 2014-03-05 | 山东大学 | PM2.5 superfine composite fiber microfiltration chip |
| CN103643881A (en) * | 2013-12-06 | 2014-03-19 | 山东大学 | PM2.5 protection composite screen window cloth |
| CN103643882A (en) * | 2013-12-06 | 2014-03-19 | 山东大学 | PM2.5 protection composite screen window mesh |
| CN104258636A (en) * | 2014-05-19 | 2015-01-07 | 中材科技股份有限公司 | An air purification and filtration material and a preparing method thereof |
| CN107737489A (en) * | 2017-10-24 | 2018-02-27 | 河南工程学院 | A kind of high efficiency filter PM2.5 composite |
| CN108724884A (en) * | 2018-08-02 | 2018-11-02 | 江苏金由新材料有限公司 | A kind of balanced type MULTILAYER COMPOSITE filter material on air filter |
| CN110917727A (en) * | 2019-12-13 | 2020-03-27 | 上海博格工业用布有限公司 | Filter material with PET/COPET double-component low-melting-point fibers mixed in surface layer of polyester needled felt and preparation method of filter material |
| CN111330356A (en) * | 2020-03-09 | 2020-06-26 | 浙江东蒙医疗器械有限公司 | Filter element, preparation method thereof and mask |
| CN111391458A (en) * | 2020-03-06 | 2020-07-10 | 浙江赛迅环保科技有限公司 | PTFE medical protective clothing fabric |
| CN111567948A (en) * | 2020-06-08 | 2020-08-25 | 苏州十一方生物科技有限公司 | Polytetrafluoroethylene mask |
| CN111590984A (en) * | 2020-06-19 | 2020-08-28 | 创斯(广州)科技发展有限公司 | Environment-friendly three-in-one material for laminating hot melt adhesive for mask and preparation method thereof |
| CN111760380A (en) * | 2020-07-07 | 2020-10-13 | 湖州森诺氟材料科技有限公司 | PTFE composite filter material for mask and preparation process |
| CN111991921A (en) * | 2020-06-03 | 2020-11-27 | 浙江净膜环保有限责任公司 | Filter material for mask |
| CN112248608A (en) * | 2020-10-20 | 2021-01-22 | 安徽元琛环保科技股份有限公司 | Method for processing nano-film material for high-efficiency low-resistance mask |
| CN113069833A (en) * | 2021-04-28 | 2021-07-06 | 广东溢达纺织有限公司 | Filter material of reusable mask, manufacturing method thereof and mask |
| WO2021208737A1 (en) * | 2020-04-17 | 2021-10-21 | 华为技术有限公司 | Fabric and wearable device |
| CN113844136A (en) * | 2020-06-10 | 2021-12-28 | 上海溶平国际贸易有限公司 | Non-woven fabric film-covered filter element and preparation method thereof |
| CN113844137A (en) * | 2020-06-10 | 2021-12-28 | 上海溶平国际贸易有限公司 | Non-woven fabric film-covered filter element and application thereof |
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| CN103550985A (en) * | 2013-11-05 | 2014-02-05 | 中材科技股份有限公司 | High-air permeability non-woven fabric laminated filtering material and preparation method thereof as well as laminating device |
| CN103550985B (en) * | 2013-11-05 | 2015-10-28 | 中材科技股份有限公司 | A kind of high Air permenbility non-weaving cloth coated filter material, its preparation method and film covering device used thereof |
| CN103611369A (en) * | 2013-12-06 | 2014-03-05 | 山东大学 | PM2.5 superfine composite fiber microfiltration chip |
| CN103643881A (en) * | 2013-12-06 | 2014-03-19 | 山东大学 | PM2.5 protection composite screen window cloth |
| CN103643882A (en) * | 2013-12-06 | 2014-03-19 | 山东大学 | PM2.5 protection composite screen window mesh |
| CN103643881B (en) * | 2013-12-06 | 2016-06-15 | 山东大学 | A kind of PM2.5Protection composite window screen cloth |
| CN103643882B (en) * | 2013-12-06 | 2016-06-29 | 山东大学 | A kind of PM2.5Protection composite window screen net |
| CN104258636A (en) * | 2014-05-19 | 2015-01-07 | 中材科技股份有限公司 | An air purification and filtration material and a preparing method thereof |
| CN107737489A (en) * | 2017-10-24 | 2018-02-27 | 河南工程学院 | A kind of high efficiency filter PM2.5 composite |
| CN108724884A (en) * | 2018-08-02 | 2018-11-02 | 江苏金由新材料有限公司 | A kind of balanced type MULTILAYER COMPOSITE filter material on air filter |
| CN110917727A (en) * | 2019-12-13 | 2020-03-27 | 上海博格工业用布有限公司 | Filter material with PET/COPET double-component low-melting-point fibers mixed in surface layer of polyester needled felt and preparation method of filter material |
| CN111391458A (en) * | 2020-03-06 | 2020-07-10 | 浙江赛迅环保科技有限公司 | PTFE medical protective clothing fabric |
| CN111330356A (en) * | 2020-03-09 | 2020-06-26 | 浙江东蒙医疗器械有限公司 | Filter element, preparation method thereof and mask |
| WO2021179369A1 (en) * | 2020-03-09 | 2021-09-16 | 浙江东蒙医疗器械有限公司 | Filter element and preparation method therefor, and mask |
| WO2021208737A1 (en) * | 2020-04-17 | 2021-10-21 | 华为技术有限公司 | Fabric and wearable device |
| CN111991921A (en) * | 2020-06-03 | 2020-11-27 | 浙江净膜环保有限责任公司 | Filter material for mask |
| CN111567948A (en) * | 2020-06-08 | 2020-08-25 | 苏州十一方生物科技有限公司 | Polytetrafluoroethylene mask |
| CN113844136A (en) * | 2020-06-10 | 2021-12-28 | 上海溶平国际贸易有限公司 | Non-woven fabric film-covered filter element and preparation method thereof |
| CN113844137A (en) * | 2020-06-10 | 2021-12-28 | 上海溶平国际贸易有限公司 | Non-woven fabric film-covered filter element and application thereof |
| CN111590984A (en) * | 2020-06-19 | 2020-08-28 | 创斯(广州)科技发展有限公司 | Environment-friendly three-in-one material for laminating hot melt adhesive for mask and preparation method thereof |
| CN111760380A (en) * | 2020-07-07 | 2020-10-13 | 湖州森诺氟材料科技有限公司 | PTFE composite filter material for mask and preparation process |
| CN112248608A (en) * | 2020-10-20 | 2021-01-22 | 安徽元琛环保科技股份有限公司 | Method for processing nano-film material for high-efficiency low-resistance mask |
| CN113069833A (en) * | 2021-04-28 | 2021-07-06 | 广东溢达纺织有限公司 | Filter material of reusable mask, manufacturing method thereof and mask |
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Application publication date: 20130807 |