CN104841287A - Preparing method for multifunctional graded oil-water separation composite film material - Google Patents
Preparing method for multifunctional graded oil-water separation composite film material Download PDFInfo
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Abstract
The invention discloses a preparing method for a multifunctional graded oil-water separation composite film material. The method includes preparing a porous meshed Cu film by the hydrogen bubble form plate method, and forming a CS (chitosan) and GO (graphene oxide) composite coating on the surface of the porous meshed Cu film by the dipping method. The area of the multifunctional graded oil-water separation film is of 3*3 cm2, the aperture of the substrate of the porous meshed film ranges from 100 to 500 micrometers, the second aperture (the aperture of the porous structure plated on the meshed substrate) ranges from 10 to 120 micrometers, the water contact angle of the CS coating film air ranges from 0 to 5 DEG, the underwater oil contact angle ranges from 155 to 165 DEG, and the underwater rolling angle is smaller than 5 DEG. The multifunctional self-cleaning oil-water separation film can be applied to manufacture of oil-water separation and heavy metal absorption multifunctional materials, and the material has the underwater super-oleophobic property and high mechanical stability.
Description
Technical field
The present invention relates to a kind of preparation method of water-oil separating material, be specifically related to a kind of preparation method of multi-functional graduation water-oil separating composite film material.
Background technology
Oil spills and oil-containing industrial water discharge have been worldwide problems, this brings many noxious materials to ocean, be delivered to by marine food chain and comprise in each species body of the mankind from rudimentary plant algae to higher mammal, organism species and human health are on the hazard.And except containing insoluble oil in industrial wastewater, contain a large amount of dispersion emulsion and heavy metal ion toward contact, due to its toxicity and carcinogenesis, heavy metal is considered to " killer " that pose a health risk.Along with the increase of population and the scarcity of freshwater resources, preparation stable circulation can use, become a urgent demand for the multi-functional diffusion barrier removing the oil of different conditions in water and heavy metal ion.
Traditional weight-driven water-oil separating film can only separating emulsions or immiscible oil water mixture, can not separate dissolved metal ion in the solution.With regard to existing oil-water separation mesh film and sorbing material, separation process and adsorption process are carried out all respectively, and the rear water of separation needs to carry out after-treatment and just can re-use.Therefore needing to prepare can function match, carry out the diffusion barrier of water-oil separating and heavy metal adsorption, and diffusion barrier can realize " regeneration " afterwards in use " poisoning ", continues to recycle simultaneously.
Summary of the invention
The object of this invention is to provide a kind of preparation method of multi-functional graduation water-oil separating composite film material, adopt bubble hydrogen template to prepare multi-functional graduation porous compound nethike embrane in conjunction with infusion process.Graduation water-oil separating film prepared by the method can carry out water-oil separating and heavy metal adsorption to containing the multi-component mixture such as emulsion, metal ion simultaneously, and separation caudacoria can realize automatically cleaning, can use under the complex environments such as acid-alkali salt.This one body swimming purification renewable membrane, to protection of the environment, maintains ecosystem balance and has very important significance.
The object of the invention is to be achieved through the following technical solutions:
A preparation method for multi-functional graduation water-oil separating composite film material, adopts bubble hydrogen template synthesis holey Cu film; Shitosan (CS) and graphene oxide (GO) composite coating is prepared at above-mentioned porous C u film surface by infusion process.Concrete steps are as follows:
One, the preparation of mesh structural porous Cu film
Adopt the mesh structural porous Cu film of bubble hydrogen template synthesis, its concrete steps are as follows: after carrying out pickling alkali cleaning oil removing and oxide to copper mesh substrate (20-400 order), make anode (2 × 2cm with platinized platinum
2), copper mesh do to electrode cathode (3 × 3cm
2) carrying out electro-deposition, plating solution composition comprises 0.02-4molL
-1cuSO
4and 0.1-5molL
-1h
2sO
4, pH=4.0 ± 0.5, current density is 0.1-8.0 Acm
-2, sedimentation time is 5-40s.
Two, the preparation of hydrophilic coating on mesh structural porous Cu film:
1, the preparation of CS/ GO/Cu nethike embrane
(1) the mesh structural porous Cu film of above-mentioned preparation is slowly immersed in the acetic acid mixed solution (0.1-10wt.%) of shitosan (CS)/glutaraldehyde (GA)/graphene oxide (GO), slowly extract porous copper mesh after dipping 1-30min, copper mesh surface adhesion has mixing material.CS/GA/GO compound method is as follows: the GA(0.1-10wt.% adding 2-10mL in 100mL CS solution) solution, and add 0.05-5g graphene oxide suspension.
(2) by dry in atmosphere for the porous web after dipping, be then immersed in 0.5-20min in NaOH (4wt.%) solution, use deionized water rinsing 1-2min, the CS/ GO/Cu nethike embrane obtained is kept in deionized water or sodium chloride solution (2mol/L).
The preparation of 2, CS/PVA/GO/Cu compound nethike embrane
(1) compound concentration is 0.1-100wt.% polyvinyl acetate (PVA) and graphene oxide (GO) solution at 50-200 DEG C;
(2) mixed with volume ratio 1:1-10 with 1-20 wt.%CS solution by 0.1-20wt.%PVA solution, add 0.05-5g graphene oxide suspension, ultrasonic 10-60min, stirring 0.5-10h together becomes uniform mixed solution;
(3) porous copper mesh is immersed in 1-60min in mixed solution, air drying, with NaOH (4 wt.%) and the dried copper mesh of deionized water rinsing, obtains CS/PVA/GO coating grid;
(4) CS/PVA/GO coating grid is immersed in glutaraldehyde (GA) solution (0.5-2wt.%), full cross-linked 5-60min at 20-100 DEG C;
(5) at 20-100 DEG C, 0.1-10 wt.% NaBH is immersed in
4with 1-60min in 0.1-10wt.% NaOH mixed solution, with deionized water rinsing and air drying, obtain CS/PVA/GO/Cu compound nethike embrane.
Tool of the present invention has the following advantages:
1, shitosan is a kind of natural biomaterial, has good heavy metal ion adsorbed performance and good hydrophily, and has good film-forming quality.Its surface of graphene oxide has a large amount of abundant functional group and has the good suction-operated of heavy metal ion, but GO is micro-nano lamellar structure is unfavorable for film forming, the present invention utilizes shitosan by graphene oxide-loaded on Porous Cu surface, GO and CS realizes water-oil separating and heavy metal adsorption jointly.
2, the present invention utilizes graduation porous copper mesh as substrate, and hydrophily GO and CS can prepare super hydrophilic water-oil separating and heavy metal adsorption multifunctional mesh as coating.
3, the present invention utilizes the Superhydrophilic matter of chitosan coat can realize anti-oil pollution in use procedure.In order to better adapt to complicated applications environment, utilize CS/PVA can realize water-oil separating under the complex environments such as soda acid and heavy metal adsorption through further crosslinked.
4, traditional water-oil separating material and the application of heavy metal ion adsorbing material are all single processes, can not be separated with the heavy metal ion in water the oil in sewage, heavy metal ion adsorbed coating prepared by the present invention can realize water-oil separating and heavy metal adsorption double process simultaneously.
5, the present invention utilizes bubble hydrogen template and infusion process to prepare chitosan coat is a kind of simple, the method that convenient, cost is low, parameter is controlled.
6, relative to other water-oil separating films, multifunctional membrane of the present invention can be applied simultaneously in rapid heavy metal ion adsorption and water-oil separating, and separation process can anti-oil pollution and acid and alkali-resistance, automatically cleaning can be realized after separation, solve the problems such as the after-treatment in the process of disposing of sewage, have a good application prospect.
7, the area of Multifunctional oil moisture scrapping off film that prepared by the present invention is 3*3cm
2, holey film substrate aperture is 100-500 μm, and secondary aperture (that is: the aperture of the loose structure electroplated in mesh substrate) is 10-120 μm.Chitosan coat nethike embrane water in air contact angle is 0-5 °, and oily contact angle is 160 ± 5 ° under water, and oily roll angle is less than 5 ° under water.
8, the Multi-function self-cleaning water-oil separating film that prepared by the present invention can be used for manufacturing water-oil separating and heavy metal adsorption multifunctional material, and this material has super oleophobic properties under water, good mechanical stability.
Accompanying drawing explanation
Fig. 1 is bubble hydrogen template synthesis mesh structural porous Cu film apparatus schematic diagram;
Fig. 2 is the preparation process schematic diagram of preparation graduation Cu film and coating;
Fig. 3 is the porous C u microscopic appearance Electronic Speculum figure of preparation;
Fig. 4 is the application process schematic diagram of netted multifunctional oil-water separating net.
Detailed description of the invention
Below in conjunction with accompanying drawing, technical scheme of the present invention is further described; but be not limited thereto; everyly technical solution of the present invention modified or equivalent to replace, and not departing from the spirit and scope of technical solution of the present invention, all should be encompassed in protection scope of the present invention.
Detailed description of the invention one: present embodiment prepares multi-functional graduation water-oil separating composite film material in accordance with the following steps:
One, the preparation (Fig. 1) of mesh structural porous Cu film:
Adopt the mesh structural porous Cu film of bubble hydrogen template synthesis (substrate 20-400 order), its microscopic appearance Electronic Speculum figure as shown in Figure 3.Concrete steps are as follows: after carrying out pickling alkali cleaning oil removing and oxide to copper mesh substrate (20-400 order), make anode (2 × 2cm with platinized platinum
2), copper mesh do to electrode cathode (3 × 3cm
2), plating solution composition comprises 0.02-4molL
-1cuSO
4and 0.1-5molL
-1h
2sO
4, pH=4.0 ± 0.5, current density is 0.1-8.0 Acm
-2, sedimentation time is 5-40s.
Two, the preparation (Fig. 2) of hydrophilic coating on mesh structural porous Cu film:
1, the preparation of CS/ GO/Cu nethike embrane:
(1) copper mesh of above-mentioned preparation is slowly immersed in the acetic acid mixed solution of shitosan (CS)/glutaraldehyde (GA)/graphene oxide (GO), CS/GA preparation is in 100mL CS solution, add GA (0.1-10wt.%) solution of 3.70 milliliters, and adds 0.05-5g graphene oxide suspension.Prepare copper mesh dipping 1-30min by above-mentioned, then slowly extract porous copper mesh, copper mesh surface adhesion has mixing material.
(2) porous web after dipping is dry in atmosphere, then 1min in NaOH (4wt.%) solution is immersed in, use deionized water rinsing 1-2min, the CS/ GO/Cu nethike embrane obtained is kept in deionized water or sodium chloride solution (2mol/L).
The preparation of 2, CS/PVA/GO/Cu compound nethike embrane
At (1) 90 DEG C, compound concentration is 0.1-100wt.% polyvinyl acetate (PVA) and graphene oxide (GO) solution.
(2) mixed with volume ratio 1:1 with 1-20 wt.%CS solution by 0.1-20wt.%PVA solution, add 0.05-5g graphene oxide suspension, ultrasonic 30min, stirring 1 h together becomes uniform mixed solution.
(3) porous copper mesh is immersed in 5min in mixed solution, air drying, with NaOH (4 wt %) and the dried copper mesh of deionized water rinsing.
(4) CS/PVA/GO coating grid is immersed in glutaraldehyde (GA) solution (1 wt.%), full cross-linked 30min at 40 DEG C.
(5) at 40 DEG C, 0.1-10 wt.% NaBH is immersed in
4with 30min in 0.1-10wt.% NaOH mixed solution, with deionized water rinsing and air drying, obtain CS/PVA/GO/Cu compound nethike embrane.
Three, CS/ GO/Cu nethike embrane and the nethike embrane water-oil separating of CS/PVA/ GO/Cu compound and heavy metal adsorption process (Fig. 4)
Preparation heavy metal ion solution, as model pollutant, mixes with certain gauging.CS/ GO/Cu nethike embrane and CS/PVA/GO/Cu compound nethike embrane are placed on oily-water seperating equipment, carry out water-oil separating and heavy metal adsorption experiment simultaneously, and after separation and absorption terminate, transfer nethike embrane, in the aqueous solution, cleans oil stain residual on compound nethike embrane.CS/PVA/GO/Cu compound nethike embrane is carried out acid and alkali-resistance test, and it is 1h in the solution of 2 and 12 that CS/PVA/GO/Cu compound nethike embrane is immersed in pH respectively, and tests water-oil separating and the heavy metal adsorption performance of the nethike embrane after dipping.Utilize oily-water seperating equipment to test for water-oil separating separative efficiency nethike embrane respectively, after being separated, liquid is measured its oil content by Infrared Oil Determination Instrument and Atomic Absorption Spectrometer (AAS) and is recorded disengaging time.
The area of Multifunctional oil moisture scrapping off film prepared by present embodiment is 3*3cm
2, holey film substrate aperture is 100-500 μm, and secondary aperture (that is: the aperture of the loose structure electroplated in mesh substrate) is 10-120 μm.Chitosan coat nethike embrane water in air contact angle is 0-5 °, and oily contact angle is 160 ± 5 ° under water, and oily roll angle is less than 5 ° under water.
Control for micro array structure can by regulating current density, electrodeposit reaction time, main salt concentration and electropolymerization pyrrole monomer concentration, pulse voltage, polymerization reaction time.Oil-water separation mixture comprises non-oil water mixture and the emulsion of dissolving each other of dissolving each other.Adsorption of Heavy Metal Ions kind comprises nickel ion, zinc ion, iron ion, cobalt ions, cadmium ion.
Detailed description of the invention two: present embodiment prepares multi-functional graduation water-oil separating composite film material in accordance with the following steps:
One, the preparation of mesh structural porous Cu film
Adopt the mesh structural porous Cu film of bubble hydrogen template synthesis (substrate 300 order), its concrete steps are as follows: after carrying out pickling alkali cleaning oil removing and oxide to copper mesh substrate, make anode (2 × 2cm with platinized platinum
2), copper mesh do to electrode cathode (3 × 3cm
2), plating solution composition comprises 0.1molL
-1cuSO
4and 1molL
-1h
2sO
4, pH=4.0 ± 0.5, current density is 7 Acm
-2, sedimentation time is 20s.
Two, the preparation of functional coating on mesh structural porous Cu film
(1) copper mesh of above-mentioned preparation is slowly immersed in the acetic acid mixed solution of shitosan (CS)/glutaraldehyde (GA)/graphene oxide (GO), CS/GA/GO preparation is in 100mL CS solution, add GA (1wt.%) solution of 3.70 milliliters, and add 0.5g graphene oxide suspension, prepare copper mesh dipping 5min by above-mentioned.Then slowly extract porous copper mesh, copper mesh surface adhesion has mixing material.
(2) porous web after dipping is dry in atmosphere, then 1min in NaOH (4wt.%) solution is immersed in, use deionized water rinsing 1-2min, the CS/ GO/Cu nethike embrane obtained is kept in deionized water or sodium chloride solution (2mol/L).
Three, the nethike embrane water-oil separating of CS/ GO/Cu compound and heavy metal adsorption process
Preparation heavy metal ion solution, as model pollutant, mixes with certain gauging.CS/ GO/Cu nethike embrane is placed on oily-water seperating equipment, carries out water-oil separating and heavy metal adsorption experiment simultaneously, and after separation and absorption terminate, transfer nethike embrane, in the aqueous solution, cleans oil stain residual on compound nethike embrane.Utilize oily-water seperating equipment to test for water-oil separating separative efficiency nethike embrane respectively, after being separated, liquid is measured its oil content by Infrared Oil Determination Instrument and Atomic Absorption Spectrometer (AAS) and is recorded disengaging time.
The area of Multifunctional oil moisture scrapping off film prepared by present embodiment is 3*3cm
2, holey membrane pore size is 40 μm, and secondary aperture (that is: the aperture of the loose structure electroplated in mesh substrate) is 30 μm.Chitosan coat nethike embrane water in air contact angle is 0-2 °, and oily contact angle is 160 ± 2 ° under water, and oily roll angle is less than 3 ° under water.Multi-functional nethike embrane prepared by present embodiment is for using in neutral and alkaline solution (pH=5-13).
Detailed description of the invention three: present embodiment prepares multi-functional graduation water-oil separating composite film material in accordance with the following steps:
One, the preparation of mesh structural porous Cu film
Adopt the mesh structural porous Cu film of bubble hydrogen template synthesis (substrate 300 order), its concrete steps are as follows: after carrying out pickling alkali cleaning oil removing and oxide to copper mesh substrate, make anode (2 × 2cm with platinized platinum
2), copper mesh do to electrode cathode (3 × 3cm
2), plating solution composition comprises 0.1molL
-1cuSO
4and 1molL
-1h
2sO
4, pH=4.0 ± 0.5, current density is 7 Acm
-2, sedimentation time is 20s.
Two, the preparation of CS/PVA/GO coating on mesh structural porous Cu nethike embrane
At (1) 90 DEG C, compound concentration is 10wt% polyvinyl acetate (PVA) and graphene oxide (GO) solution.
(2) mixed with volume ratio 1:4 with 10 wt.%CS solution by 2wt.%PVA solution, add 0.5g graphene oxide suspension, ultrasonic 30min, stirring 1 h together becomes uniform mixed solution.
(3) porous copper mesh is immersed in 5min in mixed solution, air drying, with NaOH (4 wt.%) and the dried copper mesh of deionized water rinsing.
(4) CS/PVA/GO coating grid is immersed in glutaraldehyde (GA) solution (1 wt %), full cross-linked 30min at 40 DEG C.
(5) at 40 DEG C, 1.5 wt.% NaBH are immersed in
4with 30min in 1wt.% NaOH mixed solution, with deionized water rinsing and air drying, obtain CS/PVA/GO/Cu compound nethike embrane.
(3) water-oil separating of CS/PVA/GO/Cu compound nethike embrane and heavy metal adsorption process
Preparation heavy metal ion solution, as model pollutant, mixes with certain gauging.Be placed on oily-water seperating equipment by CS/PVA/GO/Cu compound nethike embrane, carry out water-oil separating and heavy metal adsorption experiment simultaneously, after separation and absorption terminate, transfer nethike embrane, in the aqueous solution, cleans oil stain residual on compound nethike embrane.CS/PVA/GO/Cu compound nethike embrane is carried out acid and alkali-resistance test, and it is 1h in the solution of 2 and 12 that CS/PVA/GO/Cu compound nethike embrane is immersed in pH respectively, and tests water-oil separating and the heavy metal adsorption performance of the nethike embrane after dipping.Utilize oily-water seperating equipment to test for water-oil separating separative efficiency nethike embrane respectively, after being separated, liquid is measured its oil content by Infrared Oil Determination Instrument and Atomic Absorption Spectrometer (AAS) and is recorded disengaging time.
The area of Multifunctional oil moisture scrapping off film prepared by present embodiment is 3*3cm
2, holey film substrate aperture is 40 μm, and secondary aperture (that is: the aperture of the loose structure electroplated in mesh substrate) is 30 μm (inside also has more aperture).CS/PVA/GO/Cu nethike embrane water in air contact angle is 0-2 °, and oily contact angle is 159 ± 2 ° under water, and oily roll angle is less than 3 ° under water.Multi-functional nethike embrane prepared by present embodiment is for using under pH=2-12 environment.
Claims (10)
1. a preparation method for multi-functional graduation water-oil separating composite film material, is characterized in that described method step is as follows:
One, the preparation of mesh structural porous Cu film
Adopt the mesh structural porous Cu film of bubble hydrogen template synthesis;
Two, the preparation of hydrophilic coating on mesh structural porous Cu film:
(1) be slowly immersed in the acetic acid mixed solution of CS/GA/GO by the mesh structural porous Cu film of above-mentioned preparation, slowly extract porous copper mesh after dipping 1-30min, copper mesh surface adhesion has mixing material;
(2) by dry in atmosphere for the porous web after dipping, be then immersed in 0.5-20min in sodium hydroxide solution, use deionized water rinsing 1-2min, the CS/ GO/Cu nethike embrane obtained.
2. the preparation method of multi-functional graduation water-oil separating composite film material according to claim 1, it is characterized in that the concrete steps of described employing bubble hydrogen template synthesis mesh structural porous Cu film are as follows: after pickling alkali cleaning oil removing and oxide are carried out to copper mesh substrate, make anode with platinized platinum, copper mesh work carries out electro-deposition to electrode cathode, plating solution is by 0.02-4molL
-1cuSO
4and 0.1-5molL
-1h
2sO
4composition, pH=4.0 ± 0.5, current density is 0.1-8.0 Acm
-2, sedimentation time is 5-40s.
3. the preparation method of multi-functional graduation water-oil separating composite film material according to claim 2, it is characterized in that described copper mesh substrate 20-400 order, anode dimension is 2 × 2cm
2, 3 × 3cm is of a size of to electrode cathode
2.
4. the preparation method of multi-functional graduation water-oil separating composite film material according to claim 1, is characterized in that in described acetic acid mixed solution, and the concentration of CS/GA/GO is 0.1-10wt.%.
5. the preparation method of the multi-functional graduation water-oil separating composite film material according to claim 1 or 4, it is characterized in that described CS/GA/GO compound method is as follows: the GA solution adding 2-10mL in 100mL CS solution, and add 0.05-5g graphene oxide suspension.
6. the preparation method of the multi-functional graduation water-oil separating composite film material according to claim 1 or 4, is characterized in that the concentration of described GA solution is 0.1-10wt.%.
7. a preparation method for multi-functional graduation water-oil separating composite film material, is characterized in that described method step is as follows:
One, the preparation of mesh structural porous Cu film
Adopt the mesh structural porous Cu film of bubble hydrogen template synthesis;
Two, the preparation of hydrophilic coating on mesh structural porous Cu film:
(1) mixed with volume ratio 1:1-10 with 1-20 wt.%CS solution by 0.1-20wt.%PVA solution, add 0.05-5g graphene oxide suspension, ultrasonic 10-60min, stirring 0.5-10h together becomes uniform mixed solution;
(2) porous copper mesh is immersed in 1-60min in mixed solution, air drying, with NaOH and the dried copper mesh of deionized water rinsing, obtains CS/PVA/GO coating grid;
(3) CS/PVA/GO coating grid is immersed in penta 2 solution, full cross-linked 5-60min at 20-100 DEG C;
(4) at 20-100 DEG C, NaBH is immersed in
4with 1-60min in NaOH mixed solution, with deionized water rinsing and air drying, obtain CS/PVA/GO/Cu compound nethike embrane.
8. the preparation method of multi-functional graduation water-oil separating composite film material according to claim 7, it is characterized in that the concrete steps of described employing bubble hydrogen template synthesis mesh structural porous Cu film are as follows: after pickling alkali cleaning oil removing and oxide are carried out to copper mesh substrate, make anode with platinized platinum, copper mesh work carries out electro-deposition to electrode cathode, plating solution is by 0.02-4molL
-1cuSO
4and 0.1-5molL
-1h
2sO
4composition, pH=4.0 ± 0.5, current density is 0.1-8.0 Acm
-2, sedimentation time is 5-40s.
9. the preparation method of multi-functional graduation water-oil separating composite film material according to claim 7, is characterized in that the concentration of described glutaraldehyde solution is 0.5-2wt.%.
10. the preparation method of multi-functional graduation water-oil separating composite film material according to claim 7, is characterized in that NaBH in described mixed solution
4concentration is 0.1-10 wt.%, NaOH concentration is 0.1-10wt.%.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105797432A (en) * | 2016-03-25 | 2016-07-27 | 中山大学 | Preparation method of super-hydrophilic oil-water separating film |
| CN106283161A (en) * | 2016-08-25 | 2017-01-04 | 山东清大银光金属海绵新材料有限责任公司 | The preparation method of sponge structure sections/SiC particulate base oil-water separation enhancement layer material |
| CN106745506A (en) * | 2016-12-30 | 2017-05-31 | 常州碳星科技有限公司 | A kind of preparation method of the super hydrophilic oil-water separating net of antipollution |
| CN108671764A (en) * | 2018-06-13 | 2018-10-19 | 洛阳纳诺环保科技有限公司 | A kind of method that one-step method prepares super hydrophilic/underwater superoleophobic water-oil separationg film |
| CN111715079A (en) * | 2020-05-20 | 2020-09-29 | 嘉兴市轩禾园艺技术有限公司 | Multifunctional film material and preparation method and application thereof |
| CN112973470A (en) * | 2021-02-07 | 2021-06-18 | 杭州楠大环保科技有限公司 | Pressure-resistant oil-water separation membrane material, preparation method and application thereof in sewage treatment |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3853755A (en) * | 1972-11-06 | 1974-12-10 | Du Pont | Osmosis efficiency from tannin treatment of non-porous semipermeable membranes having hydrous heavy metal coatings |
| US5102547A (en) * | 1991-06-21 | 1992-04-07 | Ionics, Incorporated | Anti-fouling semi-permeable membrane system |
| CN102716676A (en) * | 2012-05-10 | 2012-10-10 | 清华大学 | Underwater super-oleophobic oil-water separation mesh membrane and preparation method thereof |
| CN103464013A (en) * | 2013-07-25 | 2013-12-25 | 烟台绿水赋膜材料有限公司 | High-performance hybrid separation membrane and preparation method thereof |
| CN103550956A (en) * | 2013-11-01 | 2014-02-05 | 哈尔滨工业大学 | Simple oil-water separator |
| CN103849910A (en) * | 2014-03-26 | 2014-06-11 | 哈尔滨工业大学 | Preparation method of super-hydrophobic meshy material |
-
2015
- 2015-05-04 CN CN201510220479.4A patent/CN104841287B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3853755A (en) * | 1972-11-06 | 1974-12-10 | Du Pont | Osmosis efficiency from tannin treatment of non-porous semipermeable membranes having hydrous heavy metal coatings |
| US5102547A (en) * | 1991-06-21 | 1992-04-07 | Ionics, Incorporated | Anti-fouling semi-permeable membrane system |
| CN102716676A (en) * | 2012-05-10 | 2012-10-10 | 清华大学 | Underwater super-oleophobic oil-water separation mesh membrane and preparation method thereof |
| CN103464013A (en) * | 2013-07-25 | 2013-12-25 | 烟台绿水赋膜材料有限公司 | High-performance hybrid separation membrane and preparation method thereof |
| CN103550956A (en) * | 2013-11-01 | 2014-02-05 | 哈尔滨工业大学 | Simple oil-water separator |
| CN103849910A (en) * | 2014-03-26 | 2014-06-11 | 哈尔滨工业大学 | Preparation method of super-hydrophobic meshy material |
Non-Patent Citations (1)
| Title |
|---|
| 马自伟, 葛华才: "氧化石墨烯/壳聚糖复合材料的制备及吸附研究进展", 《材料导报》 * |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105797432A (en) * | 2016-03-25 | 2016-07-27 | 中山大学 | Preparation method of super-hydrophilic oil-water separating film |
| CN106283161A (en) * | 2016-08-25 | 2017-01-04 | 山东清大银光金属海绵新材料有限责任公司 | The preparation method of sponge structure sections/SiC particulate base oil-water separation enhancement layer material |
| CN106283161B (en) * | 2016-08-25 | 2018-08-03 | 山东清大银光金属海绵新材料有限责任公司 | The preparation method of sponge structure sections/SiC particulate base water-oil separating reinforcement material |
| CN106745506A (en) * | 2016-12-30 | 2017-05-31 | 常州碳星科技有限公司 | A kind of preparation method of the super hydrophilic oil-water separating net of antipollution |
| CN106745506B (en) * | 2016-12-30 | 2020-12-04 | 常州碳星科技有限公司 | Preparation method of anti-pollution super-hydrophilic oil-water separation net |
| CN108671764A (en) * | 2018-06-13 | 2018-10-19 | 洛阳纳诺环保科技有限公司 | A kind of method that one-step method prepares super hydrophilic/underwater superoleophobic water-oil separationg film |
| CN111715079A (en) * | 2020-05-20 | 2020-09-29 | 嘉兴市轩禾园艺技术有限公司 | Multifunctional film material and preparation method and application thereof |
| CN112973470A (en) * | 2021-02-07 | 2021-06-18 | 杭州楠大环保科技有限公司 | Pressure-resistant oil-water separation membrane material, preparation method and application thereof in sewage treatment |
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