CN106731013A - A kind of natural polymer/clay self-supporting water-oil separationg film and preparation method thereof - Google Patents
A kind of natural polymer/clay self-supporting water-oil separationg film and preparation method thereof Download PDFInfo
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- CN106731013A CN106731013A CN201611097245.6A CN201611097245A CN106731013A CN 106731013 A CN106731013 A CN 106731013A CN 201611097245 A CN201611097245 A CN 201611097245A CN 106731013 A CN106731013 A CN 106731013A
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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
- B01D17/08—Thickening liquid suspensions by filtration
- B01D17/085—Thickening liquid suspensions by filtration with membranes
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/40—Devices for separating or removing fatty or oily substances or similar floating material
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/08—Seawater, e.g. for desalination
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Abstract
The invention discloses a kind of environment-friendly natural polymer/clay self-supporting water-oil separationg film and preparation method thereof, self-supported membrane of the invention is with natural polymer, hydrophilic polymer monomer, clay as raw material, by the method for light initiation polymerization, the controllable composite membrane of thickness is prepared;Hole is pricked by the special dies with uniform pin array again, the compound self-supporting water-oil separationg film of high intensity is obtained.Self-supported membrane of the invention has super hydrophilic and superoleophobic under water property, and the contact angle to oil droplet is more than 150 ° under water.Self-supported membrane of the invention has good mechanical strength and resistance to acids and bases, in the seawater with preferable stability, the sea environment-friendly such as collection for the greasy dirt that can be used in seawater field.The self-supported membrane can carry out water-oil separating, it is not necessary to which mesh sheet etc. has the advantages that good separating effect (> 95%), low cost, low energy consumption, environmental protection, film can be used repeatedly as substrate.
Description
【Technical field】
The present invention relates to chemical, sea environment-friendly technical field of function materials, and in particular to a kind of natural polymer/viscous
Native self-supporting water-oil separationg film and preparation method thereof.
【Background technology】
Nearly ten years, the frequent generation of offshore oil leakage accident and a large amount of discharges of industrial oil-polluted water are to marine environment
Protection brings huge challenge, and exploration and the research of oily water separation technique become focus of concern, especially nontoxic
Environment-friendly type water-oil separating material harmless and that there is stability in the seawater.At present, the mistake for being prepared based on hydrophobic/lipophilic material
Filter screen membrane material and oil absorption material have been successfully realized efficiently separating for the oil water mixture containing oil slick.Using oil and the difference of water
Water-oil separating material prepared by the special wellability of interfacial property and material, the focus as current research, especially with water
Under the preparation and application of superoleophobic water-oil separationg film be important step therein, such as《small》(small2016,12,
No.16 " selective oil/water is separated with the progress of special wellability material " (the Qinglang Ma, Hua delivered on)
Zhang,et al.Recent Development of Advanced Materials with Special Wettability
For Selective Oil/Water Separation.),《ACS Applied Materials&Interfaces》(ACS
Appl.Mater.Interfaces 2014,6) on " a kind of easy solvent manipulates reversible oil-water separating net " (Na for delivering
Liu,Lin Feng,et al.A Facile Solvent-Manipulated Mesh for Reversible Oil/Water
Separation) etc..
In Patent No. CN102029079A, CN102698471A, CN103331039A, individually disclose with surpassing under water
The oil-water separation mesh film of oleophobic or super oleophylic function.Although three kinds of technical methods all have efficient water-oil separating performance,
All have the shortcomings that certain, some are that limitation due to material in itself cannot be applied in strong acid and hypersaline environment, while these
The preparation of oil-water separation mesh film is required for adding such as other fabric webs of steel wire, copper mesh, nylon wire as support, increased system
Make cost, while oil-water separation mesh film material used in itself is also generally the macromolecular material of chemical industry synthesis, it is not degradable.Naturally
Macromolecule (such as agar, starch, gelatin, protein) is used as a kind of nontoxic biodegradable environment-friendly section bar
Material, by the degradable macromolecular material that itself and clay are combined preparation have hydrophily, high mechanical strength, in the seawater have it is good
The advantages of good stability, thus provide a kind of environment-friendly natural polymer/clay self-supporting water-oil separationg film have it is important
Meaning and application value.
【The content of the invention】
Substrate is needed it is an object of the invention to be directed to current water-oil separationg film, the stability in the complex environments such as seawater
Difference, a kind of low shortcoming of point rate efficiency, there is provided natural polymer/clay self-supporting water-oil separationg film and preparation method thereof, this is answered
Closing film has good mechanical strength and resistance to acids and bases, in the seawater with preferable stability, can carry out water-oil separating, is not required to
Mesh sheet etc. is wanted as substrate, there is the high and low cost of separative efficiency, low energy consumption, repeatable utilization.
A kind of natural polymer of the present invention/clay self-supporting water-oil separationg film and preparation method thereof, self-supporting oil
Water seperation film has the overshooting shape structure of micro-scale, in atmosphere and super hydrophilic under water and superoleophobic under water property,
The contact angle to oil droplet is more than 150 ° under water;With good mechanical strength and resistance to acids and bases, in the seawater with preferably steady
It is qualitative, water-oil separating can be carried out, it is not necessary to which mesh sheet etc. is fast, inexpensive, low with good separating effect, separating rate as substrate
Energy consumption, repeatable utilization;
It is adopted the following technical scheme that:
Step one:Natural polymer is mixed with deionized water, heating stirring is complete to dissolving, and obtains initial mixing liquid;
Step 2:To monomer and clay is sequentially added in the initial mixing liquid in step one, stir to being completely dissolved, must locate
Reason mixed liquor;
Step 3:To initiator is added in the treatment mixed liquor in step 2, stir, obtain pre-polymerization liquid.By pre-polymerization
Liquid is poured into template, and light initiating polymerizing reaction 2h is carried out under ultra violet lamp.The exfoliated composite from template, washes in clear water
Only, the natural polymer/clay laminated film of high intensity is obtained;
Step 4:The film that will be obtained in step 3 is uniform on the mould with pin array to prick hole, obtains in the seawater
Self-supporting water-oil separationg film stable in properties.
Described natural high molecular substance is the groups such as agar, starch, gelatin, cellulose, lignin, algin, carragheen
Into group at least one.
Described natural polymer is (0.05-0.2) with the mass ratio of deionized water:10.
Described monomer class material has acrylamide, N-isopropylacrylamide, N, N- DMAAs, N- ethyls third
Institute's groups such as acrylamide, N- vinylcaprolactams, acrylic acid, PAA, potassium acrylate, 2- acrylic acid -2- methoxy acrylates
Into group at least one;
Described monomer is (0.5-1) with the mass ratio of deionized water:10.
Described clay-type substance have natural montmorillonite, bentonite, kaolin, attapulgite, synthetic li-montmorillonite (RD,
XLG, D, XL21, RDS, XLS, JS, S482) at least one in the group that is constituted.
Described clay is (0.4-3.5) with the mass ratio of deionized water:10.
Described initiator is in 2,2- diethoxy acetophenones or ammonium persulfate, potassium peroxydisulfate or sodium peroxydisulfate
Kind.
Quality of the described initiator in mixed liquor is 0.08%-0.15%.
Described uviol lamp wavelength is 365nm, and the reaction time of light initiation polymerization is 2h.
The thickness of described self-supporting water-oil separationg film is 1-4mm.
Described pin array mold is prepared for metal material, a diameter of 0.3-0.5mm of pin, and array pitch is 0.4-
0.8mm。
After using above-mentioned technology, the present invention has the beneficial effect that:A kind of natural polymer/clay self-supporting of the present invention
Water-oil separationg film and preparation method thereof, it has good mechanical strength and resistance to acids and bases, in the seawater with preferably stabilization
Property, water-oil separating can be carried out, it is not necessary to which mesh sheet etc. with the high and low cost of separative efficiency, low energy consumption, repeats profit as substrate
The advantages of using.
【Brief description of the drawings】
Accompanying drawing described herein be for providing a further understanding of the present invention, constituting the part of the application, but
Inappropriate limitation of the present invention is not constituted, in the accompanying drawings:
Fig. 1 is the surface topography ESEM of the amplification of self-supporting water-oil separationg film prepared by the embodiment 1 in the present invention
Photo.
Fig. 2 is the experiment that self-supporting water-oil separationg film prepared by the embodiment 1 in the present invention is used for oil-water separation mixture
Device and experiment effect figure.
Fig. 3 is that self-supporting water-oil separationg film prepared by the embodiment 1 in the present invention is used to separate the oil containing different oil contents
The separative efficiency result figure (cumulative volume of mixture is 60ml, and oil is diesel oil) of aqueous mixtures.
Fig. 4 is self-supporting water-oil separationg film prepared by the embodiment 1 in the present invention, the profit for separating different pH values
(cumulative volume of mixture is 60ml to the separative efficiency result figure of mixture, and oil is diesel oil, VOil=30v/v%);
【Specific embodiment】
Describe the present invention in detail with specific embodiment below, illustrative examples therein and explanation are only used for explaining
The present invention, but it is not as a limitation of the invention.
A kind of natural polymer/clay self-supporting water-oil separationg film described in this specific embodiment and preparation method thereof,
Self-supporting water-oil separationg film has the overshooting shape structure of micro-scale, in atmosphere and super hydrophilic under water and superoleophobic under water
Property, is more than 150 ° to the contact angle of oil droplet under water;With good mechanical strength and resistance to acids and bases, in the seawater with compared with
Good stability, can carry out water-oil separating, it is not necessary to mesh sheet etc. as substrate, with good separating effect, separating rate it is fast, it is low into
Sheet, low energy consumption, repeatable utilization;
It is adopted the following technical scheme that:
Step one:Natural polymer is mixed with deionized water, heating stirring is complete to dissolving, and obtains initial mixing liquid;
Step 2:To monomer and clay is sequentially added in the initial mixing liquid in step one, stir to being completely dissolved, must locate
Reason mixed liquor;
Step 3:To initiator is added in the treatment mixed liquor in step 2, stir, obtain pre-polymerization liquid.By pre-polymerization
Liquid is poured into template, and light initiating polymerizing reaction 2h is carried out under ultra violet lamp.The exfoliated composite from template, washes in clear water
Only, the natural polymer/clay laminated film of high intensity is obtained;
Step 4:The film that will be obtained in step 3 is uniform on the mould with pin array to prick hole, obtains in the seawater
Self-supporting water-oil separationg film stable in properties.
As it is of the invention it is a kind of preferably, described natural high molecular substance is agar, starch, gelatin, cellulose, wooden
At least one in the group of the compositions such as element, algin, carragheen.
It is (0.05-0.2) as of the invention a kind of preferred, described natural polymer and the mass ratio of deionized water:
10。
As one kind of the invention preferably, described monomer class material has acrylamide, N-isopropylacrylamide, N, N- bis-
Methacrylamide, N- ethyl acrylamides, N- vinylcaprolactams, acrylic acid, PAA, potassium acrylate, 2- propylene
At least one in the group that acid -2- methoxy acrylates etc. are constituted;
It is (0.5-1) as of the invention a kind of preferred, described monomer and the mass ratio of deionized water:10.
As it is of the invention it is a kind of preferably, described clay-type substance has natural montmorillonite, bentonite, kaolin, concavo-convex
At least one in the group that rod stone, synthetic li-montmorillonite (RD, XLG, D, XL21, RDS, XLS, JS, S482) are constituted.
It is (0.4-3.5) as of the invention a kind of preferred, described clay and the mass ratio of deionized water:10.
As one kind of the invention preferably, described initiator is 2,2- diethoxy acetophenones or ammonium persulfate, over cure
One kind in sour potassium or sodium peroxydisulfate.
It is 0.08%-0.15% as quality of of the invention a kind of preferred, the described initiator in mixed liquor.
As it is of the invention it is a kind of preferably described uviol lamp wavelength is 365nm, the reaction time of light initiation polymerization is
2h。
As one kind of the invention preferably, the thickness of described self-supporting water-oil separationg film is 1-4mm.
As one kind of the invention preferably, described pin array mold is prepared by metal material, a diameter of 0.3- of pin
0.5mm, array pitch is 0.4-0.8mm.
The present invention is further described with specific embodiment:
Specific embodiment one:It uses following steps:
Step one:Take agar and deionized water in mass ratio 0.1:10 ratio mixing, dissolves in 100 DEG C of environment;
Step 2:To addition N-isopropylacrylamide, wherein S482, isopropyl acrylamide in the mixed liquor in step one
Amine, S482, the mass ratio of deionized water are 1:3:10 are mixed, and are stirred under agitator to being completely dissolved;
Step 3:To 2,2- diethoxy acetophenones are added in the mixed liquor in step 2, wherein the quality for adding is mixed
The 0.08% of liquid quality is closed, is stirred.Mixed liquor is poured into mould, 2h is irradiated under the uviol lamp of 365nm wavelength, from mould
Exfoliated composite on plate, cleans in clear water, obtains agar/clay laminated film, and the thickness of film is 1.5mm;
Step 4:The composite membrane that will be obtained in step 3 is uniformly pricked on the mould (pin diameter 0.3mm) with pin array
Sky, obtains self-supporting water-oil separationg film stable in properties in the seawater, and there is the water-oil separationg film of gained diameter to be about 30 microns
Mesh.
The self-supporting water-oil separationg film has the overshooting shape structure of nano-scale, with atmosphere and under water it is super hydrophilic with
Superoleophobic property under water.Diesel oil and seawater are pressed 4:1 ratio mixing, carries out water-oil separating experiment, and point rate efficiency is reachable
To more than 99%.
Specific embodiment two:It uses following steps:
Step one:Take agar and deionized water in mass ratio 0.08:10 ratio mixing, dissolves in 100 DEG C of environment;
Step 2:To addition N-isopropylacrylamide, wherein S482, isopropyl acrylamide in the mixed liquor in step one
Amine, S482, the mass ratio of deionized water are 0.75:3.5:10 are mixed, and are stirred under agitator to being completely dissolved;
Step 3:To 2,2- diethoxy acetophenones are added in the mixed liquor in step 2, wherein the quality for adding is mixed
The 0.1% of liquid quality is closed, is stirred.Mixed liquor is poured into mould, 2h is irradiated under the uviol lamp of 365nm wavelength, from mould
Exfoliated composite on plate, cleans in clear water, obtains agar/clay laminated film, and the thickness of film is 2.5mm;
Step 4:The composite membrane that will be obtained in step 3 is uniformly pricked on the mould (pin diameter 0.4mm) with pin array
Sky, obtains self-supporting water-oil separationg film stable in properties in the seawater, and there is the water-oil separationg film of gained diameter to be about 35 microns
Mesh.
The self-supporting water-oil separationg film has the overshooting shape structure of nano-scale, with atmosphere and under water it is super hydrophilic with
Superoleophobic property under water.Diesel oil and seawater are pressed 1:1 ratio mixing, carries out water-oil separating experiment, and point rate efficiency is reachable
To more than 99.5%.
Specific embodiment three:It uses following steps:
Step one:Take agar and deionized water in mass ratio 0.06:10 ratio mixing, dissolves in 100 DEG C of environment;
Step 2:To in the mixed liquor in step one add N-isopropylacrylamide, XLG, wherein N-isopropylacrylamide,
XLG, the mass ratio of deionized water are 0.8:0.8:10 are mixed, and are stirred under agitator to being completely dissolved;
Step 3:To 2,2- diethoxy acetophenones are added in the mixed liquor in step 2, wherein the quality for adding is mixed
The 0.08% of liquid quality is closed, is stirred.Mixed liquor is poured into mould, 2h is irradiated under the uviol lamp of 365nm wavelength, from mould
Exfoliated composite on plate, cleans in clear water, obtains agar/clay laminated film, and the thickness of film is 2mm.
Step 4:The composite membrane that will be obtained in step 3 is uniformly pricked on the mould (pin diameter 0.3mm) with pin array
Sky, obtains self-supporting water-oil separationg film stable in properties in the seawater, and there is the water-oil separationg film of gained diameter to be about 30 microns
Mesh.
The self-supporting water-oil separationg film has the overshooting shape structure of nano-scale, with atmosphere and under water it is super hydrophilic with
Superoleophobic property under water.Diesel oil and seawater are pressed 2:1 ratio mixing, carries out water-oil separating experiment, and point rate efficiency is reachable
To more than 96%.
Specific embodiment four:It uses following steps:
Step one:Take starch and deionized water in mass ratio 0.05:10 ratio mixing, stirring to dissolving;
Step 2:To addition N-isopropylacrylamide, wherein S482, isopropyl acrylamide in the mixed liquor in step one
Amine, S482, the mass ratio of deionized water are 0.5:2.4:10 are mixed, and are stirred under agitator to being completely dissolved;
Step 3:To 2,2- diethoxy acetophenones are added in the mixed liquor in step 2, wherein the quality for adding is mixed
The 0.08% of liquid quality is closed, is stirred.Mixed liquor is poured into mould, 2h is irradiated under the uviol lamp of 365nm wavelength, from mould
Exfoliated composite on plate, cleans in clear water, obtains agar/clay laminated film, and the thickness of film is 4mm;
Step 4:The composite membrane that will be obtained in step 3 is (uniform on the mould (a diameter of 0.5mm of pin) with pin array
Prick empty, obtain self-supporting water-oil separationg film stable in properties in the seawater, it is micro- that there is diameter to be about 45 for the water-oil separationg film of gained
The mesh of rice.
The self-supporting water-oil separationg film has the overshooting shape structure of nano-scale, with atmosphere and under water it is super hydrophilic with
Superoleophobic property under water.Diesel oil and seawater are pressed 3:7 ratio mixing, carries out water-oil separating experiment, and point rate efficiency is reachable
To more than 98.5%.
Specific embodiment five:It uses following steps:
Step one:Take starch and deionized water in mass ratio 0.06:10 ratio mixing, stirring to dissolving;
Step 2:To in the mixed liquor in step one add N-isopropylacrylamide, XLG, wherein N-isopropylacrylamide,
XLG, the mass ratio of deionized water are 0.8:0.4:10 are mixed, and are stirred under agitator to being completely dissolved;
Step 3:To 2,2- diethoxy acetophenones are added in the mixed liquor in step 2, wherein the quality for adding is mixed
The 0.08% of liquid quality is closed, is stirred.Mixed liquor is poured into mould, 2h is irradiated under the uviol lamp of 365nm wavelength, from mould
Exfoliated composite on plate, cleans in clear water, obtains agar/clay laminated film, and the thickness of film is 2mm;
Step 4:The composite membrane that will be obtained in step 3 is uniform on the mould (a diameter of 0.3mm of pin) with pin array
Prick empty, obtain self-supporting water-oil separationg film stable in properties in the seawater, it is micro- that there is diameter to be about 30 for the water-oil separationg film of gained
The mesh of rice.
The self-supporting water-oil separationg film has the overshooting shape structure of nano-scale, with atmosphere and under water it is super hydrophilic with
Superoleophobic property under water.Diesel oil and seawater are pressed 1:4 ratio mixing, carries out water-oil separating experiment, and point rate efficiency is reachable
To more than 96.5%.
Specific embodiment six:It uses following steps:
Step one:Take gelatin and deionized water in mass ratio 0.1:10 ratio mixing, dissolves in 100 DEG C of environment;
Step 2:To addition N-isopropylacrylamide, wherein S482, isopropyl acrylamide in the mixed liquor in step one
Amine, S482, the mass ratio of deionized water are 1:3.5:10 are mixed, and are stirred under agitator to being completely dissolved;
Step 3:To 2,2- diethoxy acetophenones are added in the mixed liquor in step 2, wherein the quality for adding is mixed
The 0.08% of liquid quality is closed, is stirred.Mixed liquor is poured into mould, 2h is irradiated under the uviol lamp of 365nm wavelength, from mould
Exfoliated composite on plate, cleans in clear water, obtains agar/clay laminated film, and the thickness of film is 2mm;
Step 4:The composite membrane that will be obtained in step 3 is uniformly pricked on the mould (pin diameter 0.3mm) with pin array
Sky, obtains self-supporting water-oil separationg film stable in properties in the seawater, and there is the water-oil separationg film of gained diameter to be about 30 microns
Mesh.
The self-supporting water-oil separationg film has the overshooting shape structure of micro-scale, with atmosphere and under water it is super hydrophilic with
Superoleophobic property under water.Different oil and seawater are pressed 9:1 ratio mixing, carries out water-oil separating experiment, point rate efficiency
Can reach more than 99%.
Specific embodiment seven:It uses following steps:
Step one:Take gelatin and deionized water in mass ratio 0.1:10 ratio mixing, dissolves in 100 DEG C of environment;
Step 2:Suddenly to addition N-isopropylacrylamide, wherein RDS, isopropyl acrylamide in the mixed liquor in step one
Amine, RDS, the mass ratio of deionized water are 1:1.2:10 are mixed, and are stirred under agitator to being completely dissolved;
Step 3:To 2,2- diethoxy acetophenones are added in the mixed liquor in step 2, wherein the quality for adding is mixed
The 0.08% of liquid quality is closed, is stirred.Mixed liquor is poured into mould, 2h is irradiated under the uviol lamp of 365nm wavelength, from mould
Exfoliated composite on plate, cleans in clear water, obtains agar/clay laminated film, and the thickness of film is 3mm;
Step 4:The composite membrane that will be obtained in step 3 is uniformly pricked on the mould (pin diameter 0.4mm) with pin array
Sky, obtains self-supporting water-oil separationg film stable in properties in the seawater, and there is the water-oil separationg film of gained diameter to be about 40 microns
Mesh.
The self-supporting water-oil separationg film has the overshooting shape structure of micro-scale, with atmosphere and under water it is super hydrophilic with
Superoleophobic property under water.Different oil and seawater are pressed 3:2 ratio mixing, carries out water-oil separating experiment, point rate efficiency
Can reach more than 96.5%.
Self-supporting water-oil separationg film of the invention has the overshooting shape structure of micro-scale, in atmosphere and super hydrophilic under water
Superoleophobic property under water, under water the contact angle to oil droplet be more than 150 °
A kind of natural polymer of the present invention/clay self-supporting water-oil separationg film and preparation method thereof, it has good
Good mechanical strength and resistance to acids and bases, in the seawater with preferable stability, can carry out water-oil separating, it is not necessary to which mesh sheet etc. is made
It is substrate, there is the high and low cost of separative efficiency, low energy consumption, repeatable utilization.
The above is only better embodiment of the invention, thus all features according to described in present patent application scope and
The equivalent change or modification that principle is done, is included in the range of present patent application.
Claims (10)
1. a kind of natural polymer/clay self-supporting water-oil separationg film, it is characterized in that:Described self-supporting water-oil separationg film has
The overshooting shape structure of micro-scale, in atmosphere and super hydrophilic under water and superoleophobic under water property, under water to oil droplet
Contact angle is more than 150 °.
2. natural polymer according to claim 1/clay self-supporting water-oil separationg film, it is characterized in that:With good
Mechanical strength and resistance to acids and bases, in the seawater with preferable stability, can carry out water-oil separating, it is not necessary to which mesh sheet etc. is used as base
Bottom, with good separating effect, fast separating rate, low cost, low energy consumption, repeatable utilization.
3. a kind of natural polymer/clay self-supporting water-oil separationg film and its system according to claim 1~2 any one
Preparation Method, it is characterised in that:It is adopted the following technical scheme that:
Step one:Natural polymer is mixed with deionized water, heating stirring is complete to dissolving, and obtains initial mixing liquid;
Step 2:To monomer and clay is sequentially added in the initial mixing liquid in step one, stir to being completely dissolved, must process mixed
Close liquid;
Step 3:To initiator is added in the treatment mixed liquor in step 2, stir, obtain pre-polymerization liquid.Pre-polymerization liquid is fallen
Enter in template, light initiating polymerizing reaction 2h is carried out under ultra violet lamp.The exfoliated composite from template, cleans in clear water,
Obtain the natural polymer/clay laminated film of high intensity;
Step 4:The film that will be obtained in step 3 is uniform on the mould with pin array to prick hole, obtains property in the seawater
The self-supporting water-oil separationg film of stabilization.
4. a kind of natural polymer according to claim 3/clay self-supporting water-oil separationg film and preparation method thereof, it is special
Levy and be:Described natural high molecular substance is the composition such as agar, starch, gelatin, cellulose, lignin, algin, carragheen
Group at least one.
5. a kind of natural polymer according to claim 3/clay self-supporting water-oil separationg film and preparation method thereof, it is special
Levy and be:Described natural polymer is (0.05-0.2) with the mass ratio of deionized water:10.Described monomer and deionized water
Mass ratio be (0.5-1):10.Described clay is (0.4-3.5) with the mass ratio of deionized water:10.
6. a kind of natural polymer according to claim 3/clay self-supporting water-oil separationg film and preparation method thereof, it is special
Levy and be:Described monomer class material is acrylamide, N-isopropylacrylamide, N, N- DMAAs, N- ethyls third
Institute's groups such as acrylamide, N- vinylcaprolactams, acrylic acid, PAA, potassium acrylate, 2- acrylic acid -2- methoxy acrylates
Into group at least one.
7. a kind of natural polymer according to claim 3/clay self-supporting water-oil separationg film and preparation method thereof, it is special
Levy and be:Described clay-type substance be natural montmorillonite, bentonite, kaolin, attapulgite, synthetic li-montmorillonite (RD,
XLG, D, XL21, RDS, XLS, JS, S482) at least one in the group that is constituted.
8. a kind of natural polymer according to claim 3/clay self-supporting water-oil separationg film and preparation method thereof, it is special
Levy and be:Described initiator is the one kind in 2,2- diethoxy acetophenones or ammonium persulfate, potassium peroxydisulfate or sodium peroxydisulfate.
9. a kind of natural polymer according to claim 3/clay self-supporting water-oil separationg film and preparation method thereof, it is special
Levy and be:The thickness of described self-supporting water-oil separationg film is 1-4mm.
10. a kind of natural polymer according to claim 3/clay self-supporting water-oil separationg film and preparation method thereof, its
It is characterised by:Described pin array mold is prepared for metal material, a diameter of 0.3-0.5mm of pin, and array pitch is 0.4-
0.8mm。
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CN109499100A (en) * | 2018-12-17 | 2019-03-22 | 鲁东大学 | A kind of water-oil separationg film and preparation method thereof of high intensity self-supporting |
CN113842675A (en) * | 2021-09-26 | 2021-12-28 | 常州大学 | Underwater super-oleophobic stainless steel oil-water separation net and preparation method and application thereof |
CN114854081A (en) * | 2022-03-25 | 2022-08-05 | 华南理工大学 | Underwater super-oleophobic lignin/cellulose high-strength aerogel and preparation method and application thereof |
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CN113842675A (en) * | 2021-09-26 | 2021-12-28 | 常州大学 | Underwater super-oleophobic stainless steel oil-water separation net and preparation method and application thereof |
CN113842675B (en) * | 2021-09-26 | 2024-03-15 | 常州大学 | Underwater super oleophobic stainless steel oil-water separation net and preparation method and application thereof |
CN114854081A (en) * | 2022-03-25 | 2022-08-05 | 华南理工大学 | Underwater super-oleophobic lignin/cellulose high-strength aerogel and preparation method and application thereof |
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