CN103566626A - Preparation method of oil-water separation net membrane with super-hydrophilic lipophobicity - Google Patents
Preparation method of oil-water separation net membrane with super-hydrophilic lipophobicity Download PDFInfo
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- CN103566626A CN103566626A CN201310575190.5A CN201310575190A CN103566626A CN 103566626 A CN103566626 A CN 103566626A CN 201310575190 A CN201310575190 A CN 201310575190A CN 103566626 A CN103566626 A CN 103566626A
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- water
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- nethike embrane
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Abstract
The invention discloses a preparation method of an oil-water separation net membrane with super-hydrophilic lipophobicity. The method comprises the steps that a red copper net serves as a substrate; a micro-nano needle structure is constructed by a simple solution soaking method; surface modification is performed by a poly dimethyl diallyl ammonium chloride-sodium perfluorooctanoate/ silica compound. The prepared oil-water separation net membrane with the super-hydrophilic lipophobicity is used for oil-water separation. The method has the advantages that the preparation method of the oil-water separation net membrane with the super-hydrophilic lipophobicity is simple, short in time consuming and stable in performance, and requires no large instrument; the prepared oil-water separation net membrane is easy to clean and good in recycling; water permeation instead of oil permeation can be achieved when the net membrane provided by the method is applied to the oil-water separation; the net membrane can effectively perform the oil-water separation on vegetable oil and gasoline, and has a wide application prospect in the oil-water separation.
Description
Technical field
The invention belongs to chemistry, chemical industry and technical field of function materials, particularly about a kind of preparation method with the water-oil separating nethike embrane of super hydrophilic oleophobic properties.
Background technology
At present, water pollutes, and heat is not that the event of oil pollution water occurs again and again, and how the environment that these polluted source serious threat mankind depend on for existence, realize effective water-oil separating, become problem demanding prompt solution.Controllable Wettability based on material, has prepared a lot of super-hydrophobic super lipophilic materials for water-oil separating.Yet these water-oil separating films are difficult to recycle, and the density ratio innage of water, water tends to form and stop between oil and super hydrophobic surface layer, thereby affects oily infiltration.Refusing oily water wetted material is a kind of effective solution.
Summary of the invention
Object of the present invention is for above-mentioned existing problems, a kind of preparation method with the water-oil separating nethike embrane of super hydrophilic oleophobic properties is provided, this preparation method's technique is simple, consuming time short, do not need large-scale instrument, stable performance, the nethike embrane of application preparation carries out water-oil separating, can realize water infiltration and oily impermeable nethike embrane, to vegetable oil, gasoline can both effectively carry out water-oil separating.
Technical scheme of the present invention:
A preparation method for the water-oil separating nethike embrane of super hydrophilic oleophobic properties, take red copper net as substrate, by simple solution infusion method, constructs micro nano structure, and with PDDA-Sodium perfluorooctanoate/silica (PDDA-PFO/SiO
2) compound carries out finishing, step is as follows:
1) by concentration, be that the 0.15-0.25M NaOH aqueous solution and concentration are 0.08-0.12M K
2s
2o
8aqueous solution even, will clean up and dry 200-300 order red copper net is put into above-mentioned mixed solution, soak 20-30 minute, until form blue layer film on copper mesh surface, after taking-up at 60-80 ℃ of temperature dry 30-120 minute;
2) by nanometer SiO
2particle is dispersed in the PDDA that concentration is 1 mg/mL (PDDA) aqueous solution according to the ratio of 3 mg/mL is ultrasonic, under room temperature, dropwise adding while stirring concentration is the perfluoro caprylic acid sodium water solution of 0.95-0.15M, the suspension generating is dry at 60-80 ℃ of temperature, obtain PDDA-Sodium perfluorooctanoate/silica (PDDA-PFO/SiO
2) compound;
3) above-mentioned composite powder is dispersed in absolute ethyl alcohol according to the ratio of 9.5-10.5mg/mL is ultrasonic, step 1) is obtained red copper net at PDDA-Sodium perfluorooctanoate/silica (PDDA-PFO/SiO
2) soak drying at room temperature 1-2 hour after 30-40 minute in ethanolic solution, ethanol is volatilized completely, repeat immersion-drying process 2-3 time, can obtain having the water-oil separating nethike embrane of super hydrophilic oleophobic properties.
A kind of application of the prepared water-oil separating nethike embrane with super hydrophilic oleophobic properties, for water-oil separating, concrete grammar is: adopt funnelform container as oily-water seperating equipment, water-oil separating nethike embrane is fixed on to the bottom of funnelform container with elastic tape, funnelform container is placed on plastic containers, and water is penetrated in water collecting device below by nethike embrane, because copper mesh has oleophobic property, oil has been stayed in funnel, thereby has realized water-oil separating.
Advantage of the present invention is:
This preparation method of water-oil separating nethike embrane with super hydrophilic oleophobic properties is simple, consuming time short, does not need large-scale instrument, stable performance; The water-oil separating nethike embrane easy cleaning of preparation, reusing is good, applies nethike embrane provided by the invention and carries out water-oil separating, can realize water infiltration and oily impermeable nethike embrane, to vegetable oil, gasoline can both effectively carry out water-oil separating, in water-oil separating, has broad application prospects.
[accompanying drawing explanation]
Fig. 1 is 250,1000,3000,10000 times of scanning electron microscope (SEM) photographs of super hydrophilic oleophobic nethike embrane.
Fig. 2 is the contact angle picture of super hydrophilic oleophobic nethike embrane to vegetable oil and water.
Fig. 3 is the apparatus structure schematic diagram for water-oil separating by the super hydrophilic oleophobic nethike embrane of preparation.
In figure: 1. oily gathering-device 2. water-oil separating nethike embrane 3. water collecting device 4. fluid guidance port a 5. fluid guidance port b
[specific embodiment]
Below in conjunction with drawings and Examples, the present invention is further illustrated.
Embodiment 1;
A preparation method for the water-oil separating nethike embrane of super hydrophilic oleophobic properties, take red copper net as substrate, by simple solution infusion method, constructs micro nano structure, and with PDDA-Sodium perfluorooctanoate/silica (PDDA-PFO/SiO
2) compound carries out finishing, step is as follows:
1) cutting 5 * 5 cm
2300 order red copper nets do substrate, by washing agent, concentration, be ethanolic solution, absolute ethyl alcohol, the deionized water ultrasonic cleaning of 50 w% successively, each ultrasonic cleaning time is 10 min, cleaned red copper net is put into dry 2 hours of air dry oven standby;
2) configuration concentration is that the 0.2M NaOH aqueous solution and concentration are 0.1M K respectively
2s
2o
8the aqueous solution, the NaOH aqueous solution and K
2s
2o
8the aqueous solution according to the volume ratio of 1:1 is ultrasonic, mix;
3) the red copper net after cleaning-drying is vertically placed in above-mentioned mixed solution, soak 20min, with tweezers, take out and use deionized water rinsing, then put into 60 ℃ of aeration cabinets dry 2 hours, can find to have formed the film of blue layer on copper mesh substrate surface;
4) by 0.9 gram of nanometer SiO
2particle, in ultrasonic PDDA (PDDA) aqueous solution that is dispersed in 300ml, 1.0 mg/ mL, under room temperature, dropwise adding while stirring concentration is the perfluoro caprylic acid sodium water solution of 0.1M, the suspension generating is placed in electric drying oven with forced convection and is dried at 80 ℃ of temperature, obtain PDDA-Sodium perfluorooctanoate/silica (PDDA-PFO/SiO
2) compound;
5) by above-mentioned PDDA-PFO/SiO
2compound is ground into powder with mortar, takes 2 grams of PDDA-PFO/SiO
2powder, ultrasonic being dispersed in 200 milliliters of absolute ethyl alcohols makes its dissolving; Red copper net in step 3) is dipped into PDDA-PFO/SiO
2in ethanolic solution 30 minutes, then take out dry 2 hours at ambient temperature, ethanol is volatilized completely, repeat this immersions-drying process three times, soak copper mesh needs a PDDA-PFO/SiO before at every turn
2ethanolic solution in ultrasonic pond ultrasonic 10 minutes, finally makes super hydrophilic oleophobic nethike embrane on the net in red copper.
Fig. 1 is 250,1000,3000,10000 times of scanning electron microscope (SEM) photographs of super hydrophilic oleophobic nethike embrane, in figure, shows: the nethike embrane of this super hydrophilic oleophobic properties is the nanometer needle-like Cu (OH) of 100-300 nm by diameter
2 ﹑﹑ diameter is that CuO flower-like structure and the diameter of 3-5 μ m is the PDDA-PFO/SiO of 100nm-5 μ m
2compound forms.Fig. 1 a is nethike embrane 250 scanning electron microscope (SEM) photographs, has uniform micro-nano coarse structure layer above nethike embrane, and Fig. 1 b is 1000 times of scanning electron microscope (SEM) photographs of nethike embrane, is dispersed with micron granulated substance and micron flower-like structure in red copper net nanometer acicular texture; Fig. 1 c, shown in 1d: nanometer acicular texture is interted mutually with micron flower-like structure and bulk structure.
Super hydrophilic oleophobic nethike embrane prepared by the present embodiment is for water-oil separating, the oily-water seperating equipment adopting as shown in Figure 3, comprise oily gathering-device 1, water-oil separating nethike embrane 2, water collecting device 3, fluid guidance port a4 and fluid guidance port b5, the nethike embrane base material of super hydrophilic oleophobic nethike embrane 1 is 300 order red copper nets; Concrete grammar is:
Vegetable oil and water are pressed to the volume ratio configuration of 1:1, and in agitator, stir 1 hour, make oil water mixture.When oil water mixture joins after oily-water seperating equipment, because nethike embrane has Superhydrophilic, and the density of the density ratio oil of water is large, and under Action of Gravity Field, water by nethike embrane, flow in water collecting device below fast; Meanwhile, nethike embrane has oleophobic property, and oil can not freely pass through nethike embrane, stays in superincumbent oily gathering-device, has so just realized water-oil separating.
Fig. 2 is the contact angle picture of super hydrophilic oleophobic nethike embrane to vegetable oil and water, in figure, shows: to the contact angle of vegetable oil, be 144.1 °, the contact angle of water is approached to 0.
Embodiment 2;
A preparation method for the water-oil separating nethike embrane of super hydrophilic oleophobic properties, take red copper net as substrate, by simple solution infusion method, constructs micro nano structure, and with PDDA-Sodium perfluorooctanoate/silica (PDDA-PFO/SiO
2) compound carries out finishing, step is as follows:
1) cutting 5 * 5 cm
2300 order red copper nets do substrate, by washing agent, concentration, be ethanolic solution, absolute ethyl alcohol, the deionized water ultrasonic cleaning of 50 w% successively, each ultrasonic cleaning time is 10 min, cleaned red copper net is put into dry 2 hours of air dry oven standby;
2) with precise electronic balance, take respectively 8g NaOH and 2.7g K
2s
2o
8, with graduated cylinder, measure two parts of 100ml deionized waters, pour in the beaker of 250ml, by load weighted NaOH and K
2s
2o
8pour into respectively in deionized water, by two parts of solution be placed in ultrasonic pond, carry out ultrasonic, until dissolve completely;
3) copper mesh after cleaning-drying is vertically placed in above-mentioned mixed solution, soak 20min, with tweezers, take out and use deionized water rinsing, then put into 60 ℃ of aeration cabinets dry 2 hours, can find to have formed the film of blue layer on copper mesh substrate surface.
4) by 0.9 gram of nanometer SiO
2particle, in ultrasonic PDDA (PDDA) aqueous solution that is dispersed in 300ml, 1.0 mg/ mL, under room temperature, dropwise adding while stirring concentration is the perfluoro caprylic acid sodium water solution of 0.1M, the suspension generating is placed in electric drying oven with forced convection and is dried at 80 ℃ of temperature, obtain PDDA-Sodium perfluorooctanoate/silica (PDDA-PFO/SiO
2) compound;
5) by above-mentioned PDDA-PFO/SiO
2compound is ground into powder with mortar, takes 2 grams of PDDA-PFO/SiO
2powder, ultrasonic being dispersed in 200 milliliters of absolute ethyl alcohols makes its dissolving; Red copper net in step 3) is dipped into PDDA-PFO/SiO
2in ethanolic solution 30 minutes, then take out dry 2 hours at ambient temperature, ethanol is volatilized completely, repeat this immersions-drying process three times, soak copper mesh needs a PDDA-PFO/SiO before at every turn
2ethanolic solution in ultrasonic pond ultrasonic 10 minutes, finally makes super hydrophilic oleophobic nethike embrane on the net in red copper.
Super hydrophilic oleophobic nethike embrane prepared by the present embodiment is for water-oil separating, and oily-water seperating equipment and the method for employing are substantially the same manner as Example 1, and difference is that experimental subjects is gasoline.Experimental result shows: repeat to purify 2 times, just can reach very high purity.
Claims (2)
1. a preparation method with the water-oil separating nethike embrane of super hydrophilic oleophobic properties, it is characterized in that: take red copper net as substrate, by simple solution infusion method, construct micro nano structure, and carry out finishing with PDDA-Sodium perfluorooctanoate/silica composite, step is as follows:
1) by concentration, be that the 0.15-0.25M NaOH aqueous solution and concentration are 0.08-0.12M K
2s
2o
8aqueous solution even, will clean up and dry 200-300 order red copper net is put into above-mentioned mixed solution, soak 20-30 minute, until form blue layer film on copper mesh surface, after taking-up at 60-80 ℃ of temperature dry 30-120 minute;
2) by nanometer SiO
2particle is dispersed in the PDDA aqueous solution that concentration is 1 mg/mL according to the ratio of 3 mg/mL is ultrasonic, under room temperature, dropwise adding while stirring concentration is the perfluoro caprylic acid sodium water solution of 0.95-0.15M, the suspension generating is dry at 60-80 ℃ of temperature, obtain PDDA-Sodium perfluorooctanoate/silica composite;
3) above-mentioned composite powder is dispersed in absolute ethyl alcohol according to the ratio of 9.5-10.5mg/mL is ultrasonic, step 1) is obtained red copper net in PDDA-Sodium perfluorooctanoate/silica ethanolic solution, soak 30-40 minute after drying at room temperature 1-2 hour, ethanol is volatilized completely, repeat above-mentioned steps 2-3 time, can obtain having the water-oil separating nethike embrane of super hydrophilic oleophobic properties.
2. the application of a water-oil separating nethike embrane with super hydrophilic oleophobic properties as prepared in claim 1, it is characterized in that: for water-oil separating, concrete grammar is: adopt funnelform container as oily-water seperating equipment, water-oil separating nethike embrane is fixed on to the bottom of funnelform container with elastic tape, funnelform container is placed on plastic containers, and water is penetrated in water collecting device below by nethike embrane, because copper mesh has oleophobic property, oil has been stayed in funnel, thereby has realized water-oil separating.
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| CN103893999A (en) * | 2014-03-31 | 2014-07-02 | 华南理工大学 | Super-hydrophilic and underwater super-oleophobic oil-water separation mesh film and preparation method thereof |
| CN103977600A (en) * | 2014-05-08 | 2014-08-13 | 苏州二元世纪纳米技术有限公司 | Chemically stable low-oil-adhesiveness oil-water separating member, and making method and use thereof |
| CN104958931A (en) * | 2015-06-08 | 2015-10-07 | 山东交通学院 | Super-hydrophobic and super-lipophilic net membrane for oil-water separation and preparation method thereof |
| CN105154863A (en) * | 2015-09-02 | 2015-12-16 | 北京航空航天大学 | Composite copper mesh capable of controlling transport direction of liquid, and preparation method thereof |
| CN105536554A (en) * | 2016-01-13 | 2016-05-04 | 北京航空航天大学 | Preparation method and application of separation membrane for separating organic mixed liquid on basis of liquid surface tension differences |
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| CN105664533A (en) * | 2016-01-14 | 2016-06-15 | 常州菡纳科技有限公司 | Preparation method of oil-water separation device |
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| CN107043948A (en) * | 2017-04-27 | 2017-08-15 | 湖北大学 | A kind of preparation method of the super hydrophilic/superoleophobic stainless (steel) wire under water separated for oil hydrosol |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120000853A1 (en) * | 2010-06-14 | 2012-01-05 | The United States Air Force | Superhydrophilic and oleophobic porous materials and methods for making and using the same |
| CN102600735A (en) * | 2012-03-29 | 2012-07-25 | 吉林大学 | Inorganic phase separation membrane and application of thereof to oil-water separation |
| CN103100239A (en) * | 2013-01-04 | 2013-05-15 | 中国科学院苏州纳米技术与纳米仿生研究所 | Separation net membrane with super-hydrophilicity/underwater super-lipophobicity as well as preparation method and application thereof |
| CN103157299A (en) * | 2013-03-26 | 2013-06-19 | 清华大学 | Oil-water separation mesh film with acid-base salt stabilizing function and with underwater super-oleophobic property and preparation method thereof |
| 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 |
-
2013
- 2013-11-18 CN CN201310575190.5A patent/CN103566626A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120000853A1 (en) * | 2010-06-14 | 2012-01-05 | The United States Air Force | Superhydrophilic and oleophobic porous materials and methods for making and using the same |
| CN102600735A (en) * | 2012-03-29 | 2012-07-25 | 吉林大学 | Inorganic phase separation membrane and application of thereof to oil-water separation |
| CN103100239A (en) * | 2013-01-04 | 2013-05-15 | 中国科学院苏州纳米技术与纳米仿生研究所 | Separation net membrane with super-hydrophilicity/underwater super-lipophobicity as well as preparation method and application thereof |
| CN103157299A (en) * | 2013-03-26 | 2013-06-19 | 清华大学 | Oil-water separation mesh film with acid-base salt stabilizing function and with underwater super-oleophobic property and preparation method thereof |
| 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 |
Non-Patent Citations (1)
| Title |
|---|
| JIN YANG等: "Superhydrophilic–superoleophobic coatings", 《JOURNAL OF MATERIALS CHEMISTRY》, vol. 22, 31 December 2012 (2012-12-31), pages 2834 - 2837 * |
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Application publication date: 20140212 |