CN105498291B - A kind of oil-water separation mesh film with self-purification function and preparation method thereof - Google Patents
A kind of oil-water separation mesh film with self-purification function and preparation method thereof Download PDFInfo
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- CN105498291B CN105498291B CN201511022264.8A CN201511022264A CN105498291B CN 105498291 B CN105498291 B CN 105498291B CN 201511022264 A CN201511022264 A CN 201511022264A CN 105498291 B CN105498291 B CN 105498291B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D17/00—Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
- B01D17/02—Separation of non-miscible liquids
Abstract
The invention discloses a kind of oil-water separation mesh film with self-purification function, it is with stainless (steel) wire, aluminium alloy net or copper mesh as substrate, it is obtained in (methyl) acrylic polymer of chemical grafting treated containing amphiprotic group of net surface and mesh, the thickness of wherein described nethike embrane is 0.50~2.50mm, its length and setting any as needed wide, the nethike embrane is less than 5 ° with the contact angle of water in atmosphere, is under water 160 °~165 ° with the contact angle of n-hexane.Nethike embrane preparation method of the invention is simple, and good stability, hole Penetration ration is high, with self-purification function, and water-oil separating efficiency high, can be applied to the fields such as complicated oil water mixture separation and oily waste water treatment.
Description
Technical field
The present invention relates to a kind of oil-water separation mesh film with self-purification function and preparation method thereof, belong to organo-mineral complexing
Technical field of function materials.
Background technology
Oil-polluted water wide material sources, such as oil exploitation, crude oil leakage, ship ballast water, and chemical industry, steel, food, spinning
The industry such as knitting, be machined can be to discharging substantial amounts of oil-polluted water in environment.Oil-polluted water both pollutes environment, destroys ecological again
Balance, endangers human health, therefore oil-polluted water is effectively processed significant.In oily waste water treatment, profit
Separation is conducive to the purification of water, while passing through water-oil separating, the impurity such as moisture in removal product oil is to improving oil quality measurer
It is significant.
Using the hydrophobic or hydrophily of nethike embrane, make oil or water selective by nethike embrane, be the important way for realizing water-oil separating
One of footpath.Generally there is two types water-oil separationg film：One kind is hydrophobic oleophilic oil film, optionally passes through oil, and another kind is
Hydrophilic oleophobic membrane, optionally passes water through.Chinese patent application CN1387932A, CN1721030A, CN101518695A
With the oil-water separation mesh film with super-hydrophobic super-oleophylic function is individually disclosed in CN101708384A, be capable of achieving water-oil separating,
But deficiency is there is also, such as preparation technology is complicated, and what is had has used fluorochemical, hot setting etc. the need for having, and makes
Nethike embrane is easy to lose oil-water separating function because oil is blocked during.By contrast, superhydrophilic superoleophobic film is because of itself
Just possess and refuse oily function under water and more aobvious advantage, and this nethike embrane has self-purification function.Chinese patent application
Individually disclosed in CN104874295A, CN10716676A, CN103157299A and CN104549172A with super hydrophilic and water
Under superoleophobic function oil-water separation mesh film, crosslinking of its oil-water separating function mainly by shitosan on nethike embrane be able to reality
It is existing.However, metal retinal surface is modified using amphiphilic polymers through retrieving, by the super hydrophilic and water of amphiphilic polymers
Under superoleophobic property realize water-oil separating, and there is not been reported to possess the patent and document of self-purification function.
The content of the invention
In view of the shortcomings of the prior art, it is an object of the invention to provide a kind of oil-water separation mesh film with self-purification function and
Its preparation method.
Oil-water separation mesh film with self-purification function of the present invention, is to be with stainless (steel) wire, aluminium alloy net or copper mesh
Substrate, is obtained in (methyl) acrylic polymer of chemical grafting treated containing amphiprotic group of net surface and mesh, and it is special
Levy and be：The oil-water separation mesh film with self-purification function by the stainless (steel) wire of 100~400 mesh, aluminium alloy net or copper mesh and
Be chemically grafted to ampholytic monomer (methyl) the acrylic acid sulphonic acid betaine on its surface, (methyl) acrylate carboxybetaine or
(methyl) acrylate phosphocholine, or its any mol ratio of two or three monomer the polymer brush structure that is formed of mixture
Into；The thickness of wherein described nethike embrane is 0.50~2.50mm, any setting as needed of its length and width, and the nethike embrane is in atmosphere
Contact angle with water is less than 5 °, is under water 160 °~165 ° with the contact angle of n-hexane.
Wherein：The above-mentioned oil-water separation mesh film with self-purification function is preferably by the stainless (steel) wire of 100~400 mesh, aluminium alloy
Net or copper mesh and 2- methylacryoyloxyethyls phosphocholine, the 2- methylacryoyloxyethyl sulfonic acid for being chemically grafted to its surface
Glycine betaine or 2- methylacryoyloxyethyl carboxybetaines, or 2- methylacryoyloxyethyls carboxybetaine and 2- methyl-props
Alkene acyloxyethyl sulphonic acid betaine in molar ratio 1:1 mixture, or 2- methylacryoyloxyethyl carboxybetaines:2- methyl
Acrylyl oxy-ethyl sulphonic acid betaine:2- methylacryoyloxyethyls phosphocholine in molar ratio 1:1:2 mixture is formed
Polymer brush constitute.
Wherein：The above-mentioned oil-water separation mesh film with self-purification function most preferably by the stainless (steel) wire of 200 mesh, aluminium alloy net or
Copper mesh and the 2- methylacryoyloxyethyls phosphocholine, the 2- methylacryoyloxyethyl sulfonic acid beets that are chemically grafted to its surface
The polymer brush that alkali or 2- methylacryoyloxyethyl carboxybetaines are formed is constituted.
The preparation method of the oil-water separation mesh film with self-purification function of the present invention, step is：
(1) by thickness be 0.50~2.50mm, its length and setting any according to need wide 100~400 mesh stainless (steel) wire,
Aluminium alloy net or copper mesh immersion are by volume 3 by 98% (mass ratio) concentrated sulfuric acid and 30% (volume ratio) hydrogen peroxide:1 is made into
In Piranha solution, solution bubble-free spilling is then slowly heated to, after cooling, takes out nethike embrane and soak 2h in deionized water
More than, put drying for standby under nitrogen stream；
(2) 2- bromine isobutyl acylbromides, triethylamine are contained by what nethike embrane immersion mixture of ice and water obtained in step (1) was precooled
In dichloromethane solution, 2~3h of stirring reaction, then continuation reaction more than 12h at room temperature is put, nethike embrane is then taken out in deionized water
In clean, put drying for standby under nitrogen stream；Wherein, the 2- bromine isobutyl acylbromides in the dichloromethane solution and triethylamine mole
Than being 1:2；
(3) it is mixing of the nethike embrane immersion containing methyl alcohol, ampholytic monomer, 2,2 '-bipyridyl, CuBr obtained in step (2) is molten
In liquid, cooled down in liquid nitrogen, by freezing-vacuumizing-melting 3 cyclic processes, be finally filled with nitrogen, stirred in 30 DEG C of water-baths
Mix 4~10h of reaction, take out nethike embrane and cleaned in ethanol and deionized water respectively, put and dry under nitrogen stream, that is, obtaining has self-cleaning
The oil-water separation mesh film of function；Wherein, the ampholytic monomer is (methyl) acrylic acid sulphonic acid betaine, (methyl) acrylate carboxylic
Base glycine betaine or (methyl) acrylate phosphocholine, or its any mol ratio of two or three monomer mixture；It is described mixed
It is 400~2000 to close the methyl alcohol in solution, ampholytic monomer, 2,2 '-bipyridyl, the mol ratio of CuBr:40~100:2~3:1.
In the preparation method of the above-mentioned oil-water separation mesh film with self-purification function：The ampholytic monomer is preferably 2- methyl-props
Alkene acyloxyethyl phosphocholine, 2- methylacryoyloxyethyls sulphonic acid betaine or 2- methylacryoyloxyethyl carboxyl beets
Alkali, or 2- methylacryoyloxyethyls carboxybetaine and 2- methylacryoyloxyethyls sulphonic acid betaine in molar ratio 1:1
Mixture, or 2- methylacryoyloxyethyl carboxybetaines:2- methylacryoyloxyethyl sulphonic acid betaines:2- metering systems
Acyloxyethyl phosphocholine in molar ratio 1:1:2 mixture.
In the preparation method of the above-mentioned oil-water separation mesh film with self-purification function：Methyl alcohol, both sexes in the mixed solution
Monomer, 2,2 '-bipyridyl, the mol ratio of CuBr are preferably 800~1500:40~70:2~3:1.
It is by amphiphilic polymers the invention discloses a kind of oil-water separation mesh film with self-purification function and preparation method thereof
Metal retinal surface is grafted on, using its super hydrophilic and superoleophobic performance under water, water-oil separating and nethike embrane self-purification function is realized, this
The oil-water separation mesh film of invention considerably reduces oily clogging, improves separative efficiency.
To sum up, metal retinal surface is modified using amphiphilic polymers, with good oil-water separation, and is had
There is good self-purification function.This is mostly derived from the hydration of amphiprotic group in polymer, and amphion passes through two charhing units
Ion-dipole effect between water is highly combined with hydrone, on the boundary that amphiphilic polymers/water termination is formed in order and fastened
Face water layer, this is the basic reason that amphiphilic polymers have superoleophobic function under water.The nethike embrane that the present invention is provided can be used as profit
The upgraded product of separation material, is expected to produce good social benefit and economic worth.
Specific embodiment
To be easy to further understand the present invention, the present invention is further elaborated for the following example.These embodiments have
There is certain representativeness, but all examples can not be included, be only used for clearly illustrating the present invention, rather than limit this hair
Bright scope.
Embodiment 1
(1) it is 0.50~1.50mm by thickness, the stainless steel nethike embrane immersion of its length and 200 mesh of setting any according to need wide
(98% concentrated sulfuric acid and 30% dioxygen water volume ratio are 3 in Piranha solution:1), it is slowly heated to solution bubble-free spilling.It is cold
But after, take out nethike embrane and soak in deionized water, drying for standby under nitrogen stream；
(2) bromine isobutyl acylbromide containing 2- (0.4mmol), three second that the nethike embrane immersion mixture of ice and water for obtaining (1) is precooled
In the 20mL dichloromethane solutions of amine (0.8mmol), after stirring reaction 2h, room temperature continue react overnight, take out nethike embrane go from
Cleaned in sub- water, drying for standby under nitrogen stream；
(3) the nethike embrane immersion for obtaining (2) is containing methyl alcohol (10mL), 2- methylacryoyloxyethyl phosphocholines
(12mmol), 2, in 2 '-bipyridyl (0.6mmol), the mixed solution of CuBr (0.2mmol), cool down in liquid nitrogen.Through supercooling
Freeze-vacuumize-melt 3 cyclic processes, be finally filled with nitrogen, the electromagnetic agitation reaction 5h in 30 DEG C of water-baths.Take out nethike embrane point
Do not cleaned in ethanol and deionized water, dried under nitrogen stream, that is, obtain the oil-water separation mesh film with self-purification function.
The nethike embrane is less than 5 ° with the contact angle of water in atmosphere, and the contact angle with n-hexane is 165 ° under water, to profit
Mixture can be realized rapidly and efficiently separating, surface without remaining greasy dirt, with good from net effect.
Embodiment 2
(1) it is 0.1~1.50mm by thickness, the stainless steel nethike embrane immersion of its length and 200 mesh of setting any according to need wide
(98% concentrated sulfuric acid and 30% dioxygen water volume ratio are 3 in Piranha solution:1), it is slowly heated to bubble-free spilling.After cooling,
Take out nethike embrane to soak in deionized water, drying for standby under nitrogen stream；
(2) bromine isobutyl acylbromide containing 2- (0.4mmol), three second that the nethike embrane immersion mixture of ice and water for obtaining (1) is precooled
In the 20mL dichloromethane solutions of amine (0.8mmol), after stirring reaction 2h, room temperature continue react overnight, take out nethike embrane go from
Cleaned in sub- water, drying for standby under nitrogen stream；
(3) the nethike embrane immersion for obtaining (2) is containing methyl alcohol (10mL), 2- methylacryoyloxyethyl sulphonic acid betaines
(12mmol), 2, in 2 '-bipyridyl (0.6mmol), the mixed solution of CuBr (0.2mmol), cool down in liquid nitrogen.Through supercooling
Freeze-vacuumize -3 cyclic processes of thawing method, be finally filled with nitrogen, the electromagnetic agitation reaction 5h in 30 DEG C of water-baths.Take out nethike embrane
Cleaned in ethanol and deionized water respectively, dried under nitrogen stream, that is, obtain the oil-water separation mesh film with self-purification function.
The nethike embrane is less than 5 ° with the contact angle of water in atmosphere, and the contact angle with n-hexane is 162 ° under water, to profit
Mixture can be realized rapidly and efficiently separating, surface without remaining greasy dirt, with good from net effect.
Embodiment 3
(1) it is 1.5~2.0mm by thickness, the stainless steel nethike embrane immersion of its length and 200 mesh of setting any according to need wide
(98% concentrated sulfuric acid and 30% dioxygen water volume ratio are 3 in Piranha solution:1), it is slowly heated to bubble-free spilling.After cooling,
Take out nethike embrane to soak in deionized water, drying for standby under nitrogen stream；
(2) bromine isobutyl acylbromide containing 2- (0.4mmol), three second that the nethike embrane immersion mixture of ice and water for obtaining (1) is precooled
In the 20mL dichloromethane solutions of amine (0.8mmol), after stirring reaction 2h, room temperature continue react overnight, take out nethike embrane go from
Cleaned in sub- water, drying for standby under nitrogen stream；
(3) the nethike embrane immersion for obtaining (2) is containing methyl alcohol (10mL), 2- methylacryoyloxyethyl carboxybetaines
(12mmol), 2, in 2 '-bipyridyl (0.6mmol), the mixed solution of CuBr (0.2mmol), cool down in liquid nitrogen.Through supercooling
Freeze-vacuumize -3 cyclic processes of thawing method, be finally filled with nitrogen, the electromagnetic agitation reaction 5h in 30 DEG C of water-baths.Take out nethike embrane
Cleaned in ethanol and deionized water respectively, dried under nitrogen stream, that is, obtain the oil-water separation mesh film with self-purification function.
The nethike embrane is less than 5 ° with the contact angle of water in atmosphere, and the contact angle with n-hexane is 163 ° under water, to profit
Mixture can be realized rapidly and efficiently separating, surface without remaining greasy dirt, with good from net effect.
Embodiment 4
(1) it is 0.50~1.00mm by thickness, the copper mesh film immersion of its length and 200 mesh of setting any according to need wide
(98% concentrated sulfuric acid and 30% dioxygen water volume ratio are 3 in Piranha solution:1), it is slowly heated to bubble-free spilling.After cooling,
Take out nethike embrane to soak in deionized water, drying for standby under nitrogen stream；
(2) bromine isobutyl acylbromide containing 2- (0.3mmol), three second that the nethike embrane immersion mixture of ice and water for obtaining (1) is precooled
In the 20mL dichloromethane solutions of amine (0.6mmol), after stirring reaction 2h, room temperature continue react overnight, take out nethike embrane go from
Cleaned in sub- water, drying for standby under nitrogen stream；
(3) the nethike embrane immersion for obtaining (2) is containing methyl alcohol (15mL), 2- methylacryoyloxyethyl sulphonic acid betaines
(15mmol), 2, in 2 '-bipyridyl (0.8mmol), the mixed solution of CuBr (0.4mmol), cool down in liquid nitrogen.Through supercooling
Freeze-vacuumize -3 cyclic processes of thawing method, be finally filled with nitrogen, the electromagnetic agitation reaction 6h in 30 DEG C of water-baths.Take out nethike embrane
Cleaned in ethanol and deionized water respectively, dried under nitrogen stream, that is, obtain the oil-water separation mesh film with self-purification function.
The nethike embrane is less than 5 ° with the contact angle of water in atmosphere, and the contact angle with n-hexane is 160 ° under water, to profit
Mixture can be realized rapidly and efficiently separating, surface without remaining greasy dirt, with good from net effect.
Embodiment 5
(1) it is 2.00~2.50mm by thickness, the aluminium alloy nethike embrane immersion of its length and 300 mesh of setting any according to need wide
(98% concentrated sulfuric acid and 30% dioxygen water volume ratio are 3 in Piranha solution:1), it is slowly heated to bubble-free spilling.After cooling,
Take out nethike embrane to soak in deionized water, drying for standby under nitrogen stream；
(2) bromine isobutyl acylbromide containing 2- (0.5mmol), three second that the nethike embrane immersion mixture of ice and water for obtaining (1) is precooled
In the 20mL dichloromethane solutions of amine (1.0mmol), after stirring reaction 3h, room temperature continue react overnight, take out nethike embrane go from
Cleaned in sub- water, drying for standby under nitrogen stream；
(3) the nethike embrane immersion for obtaining (2) is containing methyl alcohol (12mL), 2- methylacryoyloxyethyl carboxybetaines
(12mmol), 2, in 2 '-bipyridyl (0.6mmol), the mixed solution of CuBr (0.3mmol), cool down in liquid nitrogen.Through supercooling
Freeze-vacuumize -3 cyclic processes of thawing method, be finally filled with nitrogen, the electromagnetic agitation reaction 6h in 30 DEG C of water-baths.Take out nethike embrane
Cleaned in ethanol and deionized water respectively, dried under nitrogen stream, that is, obtain the oil-water separation mesh film with self-purification function.
The nethike embrane is less than 5 ° with the contact angle of water in atmosphere, and the contact angle with n-hexane is 160 ° under water, to profit
Mixture can be realized rapidly and efficiently separating, surface without remaining greasy dirt, with good from net effect.
Embodiment 6
(1) it is 1.00mm by thickness, the stainless steel nethike embrane immersion of its length and 200 mesh of setting any according to need wide
(98% concentrated sulfuric acid and 30% dioxygen water volume ratio are 3 in Piranha solution:1), it is slowly heated to bubble-free spilling.After cooling,
Take out nethike embrane to soak in deionized water, drying for standby under nitrogen stream；
(2) bromine isobutyl acylbromide containing 2- (0.4mmol), three second that the nethike embrane immersion mixture of ice and water for obtaining (1) is precooled
In the 20mL dichloromethane solutions of amine (0.8mmol), after stirring reaction 2h, room temperature continue react overnight, take out nethike embrane go from
Cleaned in sub- water, drying for standby under nitrogen stream；
(3) the nethike embrane immersion for obtaining (2) is containing methyl alcohol (10mL), 2- methylacryoyloxyethyl carboxybetaines
(6mmol), 2- methylacryoyloxyethyls sulphonic acid betaine (6mmol), 2,2 '-bipyridyl (0.6mmol), CuBr
In the mixed solution of (0.2mmol), cooled down in liquid nitrogen.By freezing-vacuumizing -3 cyclic processes of thawing method, finally it is filled with
Nitrogen, the electromagnetic agitation reaction 5h in 30 DEG C of water-baths.Take out nethike embrane to be cleaned in ethanol and deionized water respectively, done under nitrogen stream
It is dry, that is, obtain the oil-water separation mesh film with self-purification function.
The nethike embrane is less than 5 ° with the contact angle of water in atmosphere, and the contact angle with n-hexane is 164 ° under water, to profit
Mixture can be realized rapidly and efficiently separating, surface without remaining greasy dirt, with good from net effect.
Embodiment 7
(1) it is 0.80~1.50mm by thickness, the stainless steel nethike embrane immersion of its length and 200 mesh of setting any according to need wide
(98% concentrated sulfuric acid and 30% dioxygen water volume ratio are 3 in Piranha solution:1), it is slowly heated to bubble-free spilling.After cooling,
Take out nethike embrane to soak in deionized water, drying for standby under nitrogen stream；
(2) bromine isobutyl acylbromide containing 2- (0.4mmol), three second that the nethike embrane immersion mixture of ice and water for obtaining (1) is precooled
In the 20mL dichloromethane solutions of amine (0.8mmol), after stirring reaction 2h, room temperature continue react overnight, take out nethike embrane go from
Cleaned in sub- water, drying for standby under nitrogen stream；
(3) the nethike embrane immersion for obtaining (2) is containing methyl alcohol (10mL), 2- methylacryoyloxyethyl carboxybetaines
(3mmol), 2- methylacryoyloxyethyls sulphonic acid betaine (3mmol), 2- methylacryoyloxyethyl phosphocholines
(6mmol), 2, in 2 '-bipyridyl (0.6mmol), the mixed solution of CuBr (0.2mmol), cool down in liquid nitrogen.By freezing-
- 3 cyclic processes of thawing method are vacuumized, nitrogen is finally filled with, the electromagnetic agitation reaction 5h in 30 DEG C of water-baths.Take out nethike embrane difference
Cleaned in ethanol and deionized water, dried under nitrogen stream, that is, obtain the oil-water separation mesh film with self-purification function.
The nethike embrane is less than 5 ° with the contact angle of water in atmosphere, and the contact angle with n-hexane is 164 ° under water, to profit
Mixture can be realized rapidly and efficiently separating, surface without remaining greasy dirt, with good from net effect.
Claims (1)
1. a kind of oil-water separation mesh film with self-purification function, it is characterised in that：Comprise the following steps：
（1）It is 0.50~2.50 mm by thickness, it grows stainless (steel) wire, the aluminium with 100~400 mesh of setting any according to need wide
Alloy network or copper mesh immersion are by volume 3 by the concentrated sulfuric acid of mass ratio 98% and the hydrogen peroxide of volume ratio 30%:1 Piranha being made into
In solution, solution bubble-free spilling is then slowly heated to, after cooling, takes out nethike embrane and soak more than 2h in deionized water, put
Drying for standby under nitrogen stream；
（2）By step（1）The dichloro containing 2- bromine isobutyl acylbromides, triethylamine that obtained nethike embrane immersion mixture of ice and water is precooled
In dichloromethane, 2~3h of stirring reaction, then continuation reaction more than 12h at room temperature is put, then take out nethike embrane and wash in deionized water
Only, drying for standby under nitrogen stream is put；Wherein, the 2- bromine isobutyl acylbromides in the dichloromethane solution are with the mol ratio of triethylamine
1:2；
（3）By step（2）Obtained nethike embrane immersion contains methyl alcohol, ampholytic monomer, 2, in 2 '-bipyridyl, the mixed solution of CuBr,
Cooled down in liquid nitrogen, by freezing-vacuumizing-melting 3 cyclic processes, be finally filled with nitrogen, it is anti-in 30 DEG C of stirred in water bath
Answer 4~10h, take out nethike embrane and cleaned in ethanol and deionized water respectively, put and dry under nitrogen stream, that is, obtaining has self-purification function
Oil-water separation mesh film；Wherein, the ampholytic monomer is 2- methylacryoyloxyethyls phosphocholine, 2- methacryloxypropyl second
Base sulphonic acid betaine or 2- methylacryoyloxyethyl carboxybetaines, or 2- methylacryoyloxyethyls carboxybetaine and 2-
Methylacryoyloxyethyl sulphonic acid betaine in molar ratio 1:1 mixture, or 2- methylacryoyloxyethyl carboxybetaines:
2- methylacryoyloxyethyl sulphonic acid betaines:2- methylacryoyloxyethyls phosphocholine in molar ratio 1:1:2 mixture,
The mol ratio of methyl alcohol, ampholytic monomer, 2,2 '-bipyridyl, CuBr in the mixed solution is 800~1500:40~70:2~
3:1；
The oil-water separation mesh film has the polymer brush of ampholytic monomer formation, the oil in the chemical grafting treated of net surface and mesh
Moisture off-network film is less than 5 with the contact angle of water in atmosphereo, it is under water 160 with the contact angle of n-hexaneo~165o。
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| CN109745736A (en) * | 2018-06-05 | 2019-05-14 | 金昌中枨科技有限责任公司 | A kind of method of high-yield and high-efficiency copper mesh film process oily wastewater |
| CN108654576B (en) * | 2018-06-15 | 2019-08-20 | 山东交通学院 | It is a kind of with antifouling and Dye Adsorption function water-oil separating material and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102875195A (en) * | 2012-09-20 | 2013-01-16 | 华东理工大学 | Method for preparing polymer brush films with multiple stimulation responses |
| CN103316507A (en) * | 2013-06-06 | 2013-09-25 | 华南理工大学 | Super-hydrophilic and underwater-super-oleophobic oil-water separation mesh membrane, and preparation method and application thereof |
| CN103861466A (en) * | 2012-12-17 | 2014-06-18 | 中国科学院大连化学物理研究所 | Preparation method of hydrophilic separation membrane |
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| AU4725199A (en) * | 1998-06-29 | 2000-01-17 | Procter & Gamble Company, The | Liquid transport member for high flux rates between a port region and an opening |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102875195A (en) * | 2012-09-20 | 2013-01-16 | 华东理工大学 | Method for preparing polymer brush films with multiple stimulation responses |
| CN103861466A (en) * | 2012-12-17 | 2014-06-18 | 中国科学院大连化学物理研究所 | Preparation method of hydrophilic separation membrane |
| CN103316507A (en) * | 2013-06-06 | 2013-09-25 | 华南理工大学 | Super-hydrophilic and underwater-super-oleophobic oil-water separation mesh membrane, and preparation method and application thereof |
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