CN109107399A - A kind of hydrone permeable membrane and its preparation method and application - Google Patents
A kind of hydrone permeable membrane and its preparation method and application Download PDFInfo
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- CN109107399A CN109107399A CN201810853333.7A CN201810853333A CN109107399A CN 109107399 A CN109107399 A CN 109107399A CN 201810853333 A CN201810853333 A CN 201810853333A CN 109107399 A CN109107399 A CN 109107399A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
- B01D71/06—Organic material
- B01D71/76—Macromolecular material not specifically provided for in a single one of groups B01D71/08 - B01D71/74
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
- B01D69/02—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor characterised by their properties
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
- B01D69/12—Composite membranes; Ultra-thin membranes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2325/00—Details relating to properties of membranes
- B01D2325/02—Details relating to pores or porosity of the membranes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2325/00—Details relating to properties of membranes
- B01D2325/38—Hydrophobic membranes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2325/00—Details relating to properties of membranes
- B01D2325/48—Antimicrobial properties
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- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention discloses a kind of hydrone permeable membranes and its preparation method and application, the preparation method includes: that the film forming matter of polymeric membrane and anti-biotic material are added in solvent, it is uniformly mixed, through strainer filtering, coating solution is obtained, solution coating will be coated with to hydrophobic porous basement membrane with anilox roll, and dry, hydrophilic macromolecule film is formed on hydrophobic porous basement membrane, obtains hydrone permeable membrane.Hydrone permeable membrane includes hydrophobic porous basement membrane and is coated on the hydrophobic porous epilamellar hydrophilic macromolecule film, hydrone permeable membrane of the present invention has compared with the sub- transmitance of high-moisture, it can be used for no water mist, sterile hydrone humidifier, tap water can be diffused into environment in the form of hydrone quickly through hydrone permeable membrane using fan, and have the advantages that energy conservation, health.
Description
Technical field
The present invention relates to hydrones to permeate technical field of membrane, and in particular to a kind of hydrone permeable membrane and preparation method thereof and
Application in hydrone humidifier.
Background technique
Air humidity has important influence to the comfort of human body.Existing research shows that people are being lower than 30% phase
To the symptoms such as thirsty, dry cough are easy to appear under humidity, the diseases such as sphagitis are easily induced.Therefore, in Arid Area and autumn and winter etc.
Dry season, which carries out humidification appropriate to environment, facilitates health.
Existing humidifier includes the forms such as ultrasonic humidifying, spraying humidification, wet-film humidifying, steam humidification in the market.Shen
Number a kind of section please be disclosed for a Chinese invention patent application of 201710966759.9 (application publication number CN107575980A)
Energy ultrasonic humidifier, preheats water therein by the heat that thermal-collecting tube efficiently uses refrigerator cooling fin, then conveys
To the water tank of ultrasonic humidifier, then the super high frequency oscillation using sound wave humidifier hot water is atomized it is wet to improve air
Degree, not only reduces the power consumption of ultrasonic humidifier, is also cooled down to refrigerator cooling fin.However ultrasonic humidifier
It is humidified by water mist, is easy absorption dust and bacterium, is unfavorable for people's health.Similarly, atomizing humidifier, wet-film humidifying
Device can also generate water mist, the particularly disadvantageous crowd in the low resistance such as old man, child.Application No. is 201621338728.6 (to award
Power notification number discloses a kind of dry steam humidifier for the Chinese utility model patent of CN 206300307U), passes through special knot
The case where condensed water easily enters nozzle and influences humidification efficiency can be effectively avoided in structure design, and has and preferably save steam
Effect.But seam humidifier needs additional electric energy to heat moisture, energy consumption is higher, increases CO2 emission.
The hydrone permeable membrane that the present invention develops hydrone transmitance with higher can be applied to add by rationally designing
Wet device obtains no water mist, sterile hydrone humidifier.
Summary of the invention
To solve the deficiencies in the prior art, the present invention provides a kind of hydrone permeable membrane and its preparation method and application, should
It compared with the permeable membrane of the sub- transmitance of high-moisture, can be used for no water mist, sterile hydrone humidifier, and have energy saving, health excellent
Point.
The present invention adopts the following technical scheme:
A kind of preparation method of hydrone permeable membrane, comprising the following steps:
The film forming matter of polymeric membrane and anti-biotic material are added in solvent, is uniformly mixed, through strainer filtering, is applied
Cloth solution will be coated with solution coating with anilox roll and arrive hydrophobic porous basement membrane, and dry, be formed on hydrophobic porous basement membrane close
Aqueous high molecular film obtains hydrone permeable membrane.
In the present invention, hydrone permeable membrane includes hydrophobic porous basement membrane and is coated on described hydrophobic porous epilamellar
Hydrophilic macromolecule film can be used for no water mist, sterile so that hydrone permeable membrane of the present invention has compared with the sub- transmitance of high-moisture
Hydrone humidifier, and have the advantages that energy conservation, health.
The film forming matter of the polymeric membrane is ethylene-vinyl acetate copolymer, and the solvent is by hexamethylene
With the mixed solvent of isopropanol composition, the mass ratio of the hexamethylene and isopropanol is 60~80:20~40, further excellent
Choosing, the mass ratio of the hexamethylene and isopropanol are 65~75:25~35, most preferably, the hexamethylene and isopropanol
Mass ratio is 70:30.The anti-biotic material is benzalkonium chloride.Film forming matter, anti-biotic material, the solvent of the polymeric membrane
Mass ratio be 10:0.0006~0.01:70~110；Further preferably 10:0.001~0.005:80~100, most preferably
For 10:0.0026:90.The uniformly mixed condition are as follows: stirring 18h~30h further preferably stirs 22h~26h, most
It is preferred that stirring is for 24 hours.Using the proportion of specific film forming matter, anti-biotic material, solvent and certain content, hydrone infiltration is obtained
Permeable membrane, vapor transfer rate can reach 16.4kg/ (m2For 24 hours), have compared with the sub- transmitance of high-moisture, can be used for no water mist, sterile moisture
Sub- humidifier.
The film forming matter of the polymeric membrane is polyaminoester emulsion and waterborne curing agent, and the solvent is water.It is described
Anti-biotic material be nano silver.The polyaminoester emulsion, waterborne curing agent, anti-biotic material, solvent mass ratio be 10:0.5
~5:0.01~0.1:10~50, further preferably 10:1~3:0.02~0.06:20~36, most preferably 10:2:0.04:
28.Using the proportion of specific film forming matter, anti-biotic material, solvent and certain content, hydrone permeable membrane, vapor transfer rate are obtained
It can reach 18.3kg/ (m2For 24 hours), have compared with the sub- transmitance of high-moisture, can be used for no water mist, sterile hydrone humidifier.
The film forming matter of the polymeric membrane is sulfonated polyether sulfone, and the solvent is n,N-Dimethylformamide, institute
The anti-biotic material stated is benzalkonium chloride.The film forming matter of the polymeric membrane, anti-biotic material, solvent mass ratio be 10:
0.0001~0.005:70~110；Further preferably 10:0.0005~0.002:80~100, most preferably 10:
0.00085:90.The uniformly mixed condition are as follows: stirring 18h~30h further preferably stirs 22h~26h, optimal
Choosing, stirring is for 24 hours.Using the proportion of specific film forming matter, anti-biotic material, solvent and certain content, hydrone infiltration is obtained
Film, vapor transfer rate can reach 21.5kg/ (m2For 24 hours), have compared with the sub- transmitance of high-moisture, can be used for no water mist, sterile hydrone
Humidifier.
The hydrophilic macromolecule film with a thickness of 0.1-500 μm, further preferably, be 0.1-10 μm.
The anti-biotic material is nano silver, graphene oxide/silver composite, benzalkonium chloride, zinc oxide, polyhexamethylene
One or more of guanidine (including two kinds).
The hydrophobic porous basement membrane has 0.1-5 μm of a micropore, porosity 30-95%, preferable porosity is
80-90%.
The hydrophobic porous basement membrane with a thickness of 10-500 μm, further preferably, be 10-350 μm.
The material of the hydrophobic porous basement membrane is polyethylene, polypropylene, polyethylene terephthalate, polytetrafluoro
One or more of ethylene, Kynoar, nylon, cellulose, polyether sulfone (including two kinds).
The hydrophobic porous basement membrane is polyethene microporous membrane, microporous polypropylene membrane or polyvinylidene fluoride microporous film.
The hydrophilic macromolecule film of hydrone permeable membrane is contacted with tap water.
Hydrone permeable membrane includes hydrophobic porous basement membrane and to be coated on the hydrophobic porous epilamellar hydrophily high
Molecular film can be used for no water mist, sterile hydrone adds so that hydrone permeable membrane of the present invention has compared with the sub- transmitance of high-moisture
Wet device, and have the advantages that energy conservation, health.Hydrone humidifier, can be quick in the form of hydrone by tap water using fan
Be diffused into environment by hydrone permeable membrane, tap water first by tap water in the form of hydrone quickly through hydrophily high score
Sub- film, then by hydrophobic porous basement membrane, be diffused into environment later.
Compared with prior art, the present invention has the advantage that
1, hydrophobic porous basement membrane has the porosity of up to 30-95%, preferable porosity 80-90%, high porosity
Hydrone can be made to be diffused rapidly in environment.The aperture of hydrophobic porous basement membrane is 0.1-5 μm, preferably 0.1-0.45 μm of hole
Diameter can effectively prevent the transmission of water mist.The material of porous basement membrane include polyethylene, polypropylene, polyethylene terephthalate,
Polytetrafluoroethylene (PTFE), Kynoar, nylon, cellulose, polyether sulfone etc..Basement membrane can also play supporting role, simplify humidifier
Structure.
2, hydrophilic macromolecule film can speed up diffusion velocity of the hydrone in porous basement membrane.
3, the film forming matter of hydrophilic macromolecule film includes acrylic copolymer, polyurethane, polyester elastomer, maleic acid
Acid anhydride-styrol copolymer, sulfonated polystyrene-butadiene copolymer, sulfonated poly (phenylene oxide), sulfonated polyether sulfone, sulfonated polyimide,
Amino resins, polyvinyl acetate ethylene copolymer etc., utilize highly polar hydroxyl, carboxyl, carbonyl, sulfonic group, amino, amide etc.
The penetrability of functional group's raising material.
4, hydrophilic macromolecule film contain the nano silver of 10-1000ppm, graphene oxide/silver composite, benzalkonium chloride,
The anti-biotic materials such as zinc oxide, polyhexamethylene guanide have good antibacterial and mouldproof effect.
5, hydrone permeable membrane of the invention every square meter under 30 degree, 50% relative humidity has up to 10-40kg/24h
Vapor transfer rate, humidifying effect is significant.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of hydrone permeable membrane of the present invention.
Specific embodiment
Embodiment 1
10g ethylene-vinyl acetate copolymer (Dow Du Pont, 40L-03) and 2.6mg benzene are pricked at 25 DEG C of room temperature
Chloramines (Kai Rui Chemical Co., Ltd. of Zaozhuang City) be added to 90g 70% hexamethylene of mass percent and mass percent 30% it is different
The in the mixed solvent of propyl alcohol composition, stirring is for 24 hours to being completely dissolved.Strainer filtering through 800 mesh obtains coating solution, uses reticulate pattern
Roller is by the coating solution coating of 10 μ m-thicks to polyethene microporous membrane (Dow Du Pont, spy defend strong by 1056, porosity 80%)
On, and it is dry at 50 DEG C, obtain hydrone permeable membrane.
Embodiment 2
At 25 DEG C of room temperature by 10g polyaminoester emulsion (ten thousand magnificent chemical groups,1651), 2g waterborne curing agent161 and 40mg nano silver antimicrobials (Jinda Nanotechnology (Xiamen) Co., Ltd., JDTKS-001) are added to
In the deionized water of 28g, stirring is to being uniformly dispersed.Strainer filtering through 200 mesh obtains coating solution, with anilox roll by 10 μm
In thick coating solution coating to microporous polypropylene membrane (the magnificent miillpore filter factory in Wuhu, porosity 85%), and at 80 DEG C
It is dry, obtain hydrone permeable membrane.
Embodiment 3
By 10g sulfonated polyether sulfone (Changzhou Ke Te Chemical Co., Ltd.) and 0.85mg benzalkonium chloride (jujube at 25 DEG C of room temperature
Kai Rui Chemical Co., Ltd. of village city, JDTKS-001) it is added in the n,N-Dimethylformamide of 90g, stirring is for 24 hours to sufficiently molten
Solution.Strainer filtering through 800 mesh obtains coating solution, with anilox roll by the coating solution coating of 10 μ m-thicks to Kynoar
On microporous barrier (Jiangsu Lantianpeier Membrane Co., Ltd, porosity 90%), and it is dry at 180 DEG C, obtain hydrone infiltration
Permeable membrane.
Comparative example 1
Using microporous polypropylene membrane (the magnificent miillpore filter factory in Wuhu).
Comparative example 2
By 10g styrene-butadiene copolymer (Ba Ling petrochemical industry YH-503) and 40mg nano silver antimicrobials at 25 DEG C of room temperature
(Jinda Nanotechnology (Xiamen) Co., Ltd., JDTKS-001) is added in the toluene of 90g, and stirring is for 24 hours to abundant dissolution.Through
The strainer filtering of 800 mesh, with anilox roll by the solution coating of 10 μ m-thicks to microporous polypropylene membrane (the magnificent miillpore filter factory in Wuhu,
Porosity be 85%) on, and it is dry at 120 DEG C, obtain composite membrane.
The raw material and parameter of Examples 1 to 3 are as shown in table 1.
Table 1
Moisture-inhibiting weight testing method: under 23 ± 2 DEG C, 50 ± 2% relative humidity, referring to " GBT12704.2-2009 textile
Fabric moisture-penetrability test method part 2: evaporation " method B, phase concrete outcome is as shown in table 2:
Table 2
| Embodiment 1 | Embodiment 2 | Embodiment 3 | Comparative example 1 | Comparative example 2 | |
| Vapor transfer rate kg/ (m224h) | 16.4 | 18.3 | 21.5 | 13.5 | 6.6 |
Therefore, hydrone permeable membrane vapor transfer rate with higher prepared by the present invention, can using the hydrone permeable membrane
It obtains without water mist, sterile hydrone humidifier, has a good application prospect.As shown in Figure 1, hydrone permeable membrane includes dredging
The aqueous hydrophilic macromolecule film 2 porous basement membrane 3 and be coated on hydrophobic porous basement membrane 3, can be used for hydrone humidifier, answers
Tap water 1 can be diffused into environment in the form of hydrone quickly through hydrone permeable membrane with fan, tap water 1 is first with certainly
Water, quickly through hydrophilic macromolecule film 2, then by hydrophobic porous basement membrane 3, is diffused into ring in the form of hydrone later
In border.
Claims (10)
1. a kind of preparation method of hydrone permeable membrane, which comprises the following steps:
The film forming matter of polymeric membrane and anti-biotic material are added in solvent, is uniformly mixed, through strainer filtering, obtains being coated with molten
Liquid will be coated with solution coating to hydrophobic porous basement membrane with anilox roll, and dry, and form hydrophily on hydrophobic porous basement membrane
Polymeric membrane obtains hydrone permeable membrane.
2. the preparation method of hydrone permeable membrane according to claim 1, which is characterized in that the polymeric membrane at
Membrane substance is ethylene-vinyl acetate copolymer, and the solvent is the mixed solvent being made of hexamethylene and isopropanol, described
Hexamethylene and isopropanol mass ratio be 60~80:20~40.
3. the preparation method of hydrone permeable membrane according to claim 2, which is characterized in that the anti-biotic material is benzene
Prick chloramines, the film forming matter of the polymeric membrane, anti-biotic material, solvent mass ratio be 10:0.0006~0.01:70~
110。
4. the preparation method of hydrone permeable membrane according to claim 1, which is characterized in that the polymeric membrane at
Membrane substance is polyaminoester emulsion and waterborne curing agent, and the solvent is water.
5. the preparation method of hydrone permeable membrane according to claim 4, which is characterized in that the anti-biotic material is to receive
Meter Yin, the polyaminoester emulsion, waterborne curing agent, anti-biotic material, solvent mass ratio be 10:0.5~5:0.01~0.1:
10~50.
6. the preparation method of hydrone permeable membrane according to claim 1, which is characterized in that the polymeric membrane at
Membrane substance is sulfonated polyether sulfone, and the solvent is n,N-Dimethylformamide.
7. the preparation method of hydrone permeable membrane according to claim 6, which is characterized in that the anti-biotic material is benzene
Prick chloramines, the film forming matter of the polymeric membrane, anti-biotic material, solvent mass ratio be 10:0.0001~0.005:70~
110。
8. the hydrone permeable membrane of preparation method preparation according to claim 1, which is characterized in that the hydrophily is high
Molecular film with a thickness of 0.1-10 μm；
The hydrophobic porous basement membrane has 0.1-5 μm of micropore, porosity 80-90%；
The hydrophobic porous basement membrane with a thickness of 10-350 μm；
The hydrophobic porous basement membrane is polyethene microporous membrane, microporous polypropylene membrane or polyvinylidene fluoride microporous film.
9. the hydrone permeable membrane of preparation method preparation according to claim 1, which is characterized in that including hydrophobic porous
Basement membrane and it is coated on the hydrophobic porous epilamellar hydrophilic macromolecule film.
10. hydrone permeable membrane according to claim 9 is preparing the application in hydrone humidifier, which is characterized in that
Water first passes through hydrophilic macromolecule film in the form of hydrone, then by hydrophobic porous basement membrane, is diffused into environment later.
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Cited By (8)
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| CN109692573A (en) * | 2019-02-26 | 2019-04-30 | 深圳市诚荣环保科技有限公司 | A kind of TPU/SMA blended ultrafiltration membrane material |
| CN110420556A (en) * | 2019-07-26 | 2019-11-08 | 绍兴百立盛新材料科技有限公司 | One kind is except formaldehyde Total heat exchange film and preparation method thereof |
| CN110749014A (en) * | 2019-11-27 | 2020-02-04 | 广东美的制冷设备有限公司 | Humidifying membrane for air conditioning equipment, preparation method and air conditioning equipment |
| CN111849001A (en) * | 2020-07-09 | 2020-10-30 | 绍兴百立盛新材料科技有限公司 | Preparation method of waterproof total heat exchange paper |
| CN113817218A (en) * | 2020-12-25 | 2021-12-21 | 北京蔚蓝天纳科技有限公司 | Biopolymer composite membrane and preparation method thereof |
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| CN115651457A (en) * | 2022-10-25 | 2023-01-31 | 东华大学 | Block material with three-dimensional nano network structure and preparation method thereof |
| CN115651457B (en) * | 2022-10-25 | 2023-10-31 | 东华大学 | Block material with three-dimensional nano-network structure and preparation method thereof |
| CN117138592A (en) * | 2023-06-30 | 2023-12-01 | 广东摩多未来科技有限公司 | Preparation method of modified amino resin dehumidifying film, dehumidifying film and application thereof |
| CN117138592B (en) * | 2023-06-30 | 2024-06-25 | 广东摩多未来科技有限公司 | Preparation method of modified amino resin dehumidifying film, dehumidifying film and application thereof |
| CN117799197A (en) * | 2023-12-26 | 2024-04-02 | 绍兴百立盛新材料科技有限公司 | Large-area electrochromic device and preparation method thereof |
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