CN103866492A - Efficient oil and water separation composite fiber film and preparation method thereof - Google Patents
Efficient oil and water separation composite fiber film and preparation method thereof Download PDFInfo
- Publication number
- CN103866492A CN103866492A CN201410125768.1A CN201410125768A CN103866492A CN 103866492 A CN103866492 A CN 103866492A CN 201410125768 A CN201410125768 A CN 201410125768A CN 103866492 A CN103866492 A CN 103866492A
- Authority
- CN
- China
- Prior art keywords
- oil
- water
- cellulosic membrane
- composite cellulosic
- preparation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Abstract
The invention discloses an efficiency oil and water separation composition fiber film and a preparation method thereof, and belongs to the field of functional nanometer fiber materials. Hydrophobic polymers such as polyurethane, polystyrene and polymethyl methacrylate or polycaprolactone are used as the main raw materials of the fiber film, the main raw materials are dissolved in an organic solvent to form a polymer solution, hydrophobic nanometer particles are added into the polymer solution in the preparation process, after the mixture is evenly mixed, electro-spinning is conducted on the mixed solution by means of the electrostatic spinning method, and then a fiber film material which is formed by micro-nanometer composite structures and is in the shape of non-woven fabric is obtained. The electro-spun fiber film of the micro-nanometer structure has super-hydrophobic/super-oleophylic property in the air and excellent oil adsorption performance, and the contact angle to oil is nearly zero. The efficient oil and water separation composite fiber film is simple in preparation method, low in energy consumption, high in efficiency, high in oil and water separation speed, and capable of being widely used in the fields such as oily water efficient purification.
Description
Technical field
The invention belongs to functional micro-nano complex fiber Material Field, be specifically related to one and there is high efficiency oil-water separation " oil suction type " micro-nano composite cellulosic membrane and preparation method thereof.
Background technology
The industrial process such as petrochemical industry, mineral mining, communications and transportation, food and weaving, daily life and the frequent Crude Oil at Sea leakage accident occurring all can produce a large amount of oil-polluted waters.These sewage flow into ocean or permeate the ground with various approach, and the water resource that the mankind are depended on for existence does great damage.Therefore no matter from the sustainable development of environment, or from oil recovery and water purification recycling, all require oil-polluted water effectively to separate.Along with going deep into of research and application, it is found that a lot of traditional water-oil separating materials not only can absorb oil, also can absorb water simultaneously.So just not only cause the reduction of absorption selectivity and efficiency, and after giving the absorbed oil of recovery and use, material brings very big difficulty.Meanwhile, some traditional preparation methods also exist the deficiencies such as process steps complexity, water-oil separating quantity of material with high costs, that once prepare be limited, directly have influence on material application in practice.Therefore,, from the wettability angle of material, the material that design and preparation have high efficiency oil-water separating property under special wettability effect has significant application value and meaning.
Electrostatic spinning technique is called for short electrospinning, is the injection that is used for realizing spinning solution that utilizes high voltage electric field, is placed in high-voltage electrostatic field by polymer solution or melt, and charged polymer liquid drops under the effect of electric field Coulomb force and is stretched.In the time that electric field force is enough large, polymer solution or melt overcome capillary effect and form spurting thread.Thread solidifies along with solvent evaporates in course of injection, falls within on negative pole collecting board, forms micron, the nano-scale fiber film of nonwoven fabric shape.Because electrostatic spinning technique is simple, effective, practical, be generally used in preparation micron, nanofiber, material relates to polymer, inorganic oxide, metal and organic/inorganic hybridization material etc.There is larger specific area and porosity by the prepared tunica fibrosa of electrospinning, and can realize large-scale industrial production.
Summary of the invention
The object of this invention is to provide electrospun fiber membrane of a kind of micro-nano compound structure with super-hydrophobic super-oleophilic matter and preparation method thereof.
The preparation that high efficiency oil-water provided by the present invention separates composite cellulosic membrane adopts electrostatic spinning technique, specifically comprises following step:
(1) analytically pure polymer A is dissolved in solvent orange 2 A in 20～25 DEG C of room temperature environments, is stirred well to polymer A and dissolves completely, obtain polymer solution, resulting polymers solution is 10～35% containing the quality percentage composition of polymer A.
Described polymer A is the polymer with hydrophobic property, as any one in polyurethane, polystyrene, polymethyl methacrylate or polycaprolactone etc.
The solvent orange 2 A of described dissolve polymer A is analytically pure DMF, analytically pure oxolane or analytically pure chloroform etc., and a kind of solvent or two kinds of solvents that specifically can be selected from wherein form mixed solvent.
(2) the hydrophobicity inorganic nano-particle of nanoscale yardstick is added in described polymer solution, fully be uniformly mixed formation mixed solution, the quality percentage composition of inorganic nano-particle is no more than 50% of mixed solution quality, is generally preferably 10%～50%.Wherein, described inorganic nano-particle comprises the hydrophobic silica nano particle of diameter between 50nm～150nm.
(3) using above-mentioned mixed solution as electrostatic spinning presoma, be placed in the syringe of electrospinning device, at the metal spinning head of syringe and receive between substrate and apply high-voltage electrostatic field, high-pressure electrostatic field voltage is 10～35KV, the diameter of metal spinning head is 0.4mm～1.6mm, and receiving substrate is flat steel silk screen or aluminium foil etc.The distance of adjusting metal spinning head and receive between substrate is 10～30cm, and the high-voltage electrostatic field applying makes electrostatic spinning presoma produce jet under electrostatic interaction, in reception substrate, obtains water-oil separating composite cellulosic membrane.In described water-oil separating composite cellulosic membrane, inorganic nano-particle random arrangement, uniform fold, in polymeric fiber surface, form micro-nano compound structure electrospun fiber membrane.
The prepared water-oil separating composite cellulosic membrane of the present invention has the micro-nano composite mesh loose structure being made up of micro-meter scale fiber and nanometer chi width particle, and the micro-meter scale fiber mesh being interweaved and the particle of nanoscale have convexed to form coarse surface texture.In water-oil separating composite cellulosic membrane, fibre diameter is 1.0 μ m～2.5 μ m, and inorganic nano-particle attached to it is of a size of 55nm～152nm.This water-oil separating composite cellulosic membrane is greater than 150 ° to the contact angle of water in air, and oily contact angle is approached to 0 °, has the special wettability of super-hydrophobic super oleophylic.After described water-oil separating composite cellulosic membrane electrospinning, can peel off with reception substrates such as steel wires, can realize self-supporting.
This water-oil separating composite cellulosic membrane can be used for the efficient aspects such as removal and water body purification that absorb fast of oil in oil-polluted water.
Water-oil separating composite cellulosic membrane provided by the invention is using more much higher kind of polymer of intensity as main raw material, after use, can the oil of absorption be separated out by centrifugal, extruding etc. physics or chemical method, and material can be realized repeatedly recycling.This preparation method is simple, and experimental implementation is easy.
The features such as the compound water-oil separating composite cellulosic membrane of micro-nano with super-hydrophobic super-oleophilic matter of the present invention has selective height in profit system, separative efficiency is high, speed is fast, be applicable to oily waste water treatment,, all there is good separation removal effect the aspects such as water body purification to oil water mixtures such as diesel oil, gasoline, silicone oil, machine oil.
Brief description of the drawings
Fig. 1 is electrostatic spinning apparatus schematic diagram of the present invention;
In figure: 1. syringe; 2. spinning head; 3. electrospinning fibre; 4. receive substrate; 5. high voltage source;
Fig. 2 is that 20,000 times of pattern stereoscan photographs are amplified on water-oil separating composite cellulosic membrane surface prepared by embodiment 1;
Fig. 3 is that 2,000 times of pattern stereoscan photographs are amplified on water-oil separating micro-nano composite cellulosic membrane surface prepared by embodiment 1;
Fig. 4 is the contact angle photo that the embodiment of the present invention 1 water in air is dripped (2 μ L) and drop in water-oil separating composite cellulosic membrane surface, contact angle=152 ° of water;
Fig. 5 is in embodiment 1, and oil droplet in air (2 μ L) drops in the contact angle photo on water-oil separating composite cellulosic membrane surface, contact angle=0 ° of oil;
Fig. 6 is the experiment effect photo of the water-oil separating composite cellulosic membrane prepared of embodiment 1 for separating of oil water mixture;
Fig. 7 be the water-oil separating composite cellulosic membrane prepared of embodiment 1 for separating of the experiment of oil water mixture after water body effect photo.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is elaborated, but the present invention is not limited thereto.
Reagent and material described in following embodiment, if no special instructions, all can obtain from commercial channels.
(1) polystyrene (weight average molecular weight is 230,000) is dissolved in analytically pure DMF solution, is configured to mass fraction and is the DMF solution of 25% polystyrene.
(2) in the polymer solution that the hydrophobic silica nanoparticle doped that is 105nm by diameter is prepared to above-mentioned steps (1), obtain mixed solution, wherein silica quality mark accounts for 35% of mixed solution, is uniformly mixed.
(3) will be placed in the liquid syringe that supplies of electrostatic spinning apparatus (shown in Fig. 1) through the mixed solution that contains Nano particles of silicon dioxide of step (2) configuration, selecting metal spinnerette diameters is 0.8mm, and applying voltage is 25KV.Distance between adjustment spinning head and reception substrate is at 25cm.In preparation process, above-mentioned mixed solution is as electrospinning solution, under electrostatic interaction, produce jet, when electric field force is during higher than the surface tension of electrospinning solution, the refinement that is stretched of electrospinning solution, in dropping process along with solvent N, the volatilization of dinethylformamide, forms polystyrene-silica compound---micro-nano compound structure electrospinning fibre.The stacking film forming uniform fold of electrospinning fibre random arrangement receives in substrate in steel wire etc.
Described Electrospun device structure as shown in Figure 1, comprises syringe 1, spinning head 2, receives substrate 4, between reception substrate 4 and metal spinning head 2, connects high voltage source 5, and the electrospinning fibre 3 spraying from spinning head 2 is undertaken on and receives substrate 4 surfaces.
In the water-oil separating composite cellulosic membrane that this said method prepares, the fibre diameter of polystyrene is about 1.0 μ m, Nano particles of silicon dioxide attached to it is due to the polymer overmold existing to a certain degree, particle size is about 110nm and nano SiO 2 particle is evenly coated on styroflex surface, as shown in Figures 2 and 3, fiber is the nonwoven fabric shape random that interweaves, and fiber surface adheres to nano-scale particle.In air, measure water droplet (2 μ L) contact angle CA=152 ° (as Fig. 4) on described water-oil separating composite cellulosic membrane surface, in air, measure oil droplet (2 μ L) contact angle OCA=0 ° (as Fig. 5) on described water-oil separating composite cellulosic membrane surface, water-oil separating composite cellulosic membrane prepared by visible the present invention has the special wettability of super-hydrophobic super oleophylic.
Above-mentioned water-oil separating composite cellulosic membrane is put into oil mixing with water system (as shown in Figure 6), and wherein demonstration oil used is the machine oil after oil red O stain.This water-oil separating composite cellulosic membrane has selection removal capacity (as shown in Figure 7) to the oil in oil mixing with water system.
(1) by polystyrene, (weight average molecular weight is 230,000) be dissolved in analytically pure N, in dinethylformamide/oxolane mixed solution, wherein N, the mass ratio of dinethylformamide and oxolane is 8:2, be configured to mass fraction and be the DMF/tetrahydrofuran solution of 30% polystyrene.
(2) in polymer solution prepared by the hydrophobic silica nanoparticle doped that is 50nm by diameter to above-mentioned steps (1), obtain mixed solution, wherein silica quality mark accounts for 50% of mixed solution, is uniformly mixed.
(3) will through the mixed solution that contains Nano particles of silicon dioxide of step (2) configuration as for electrostatic spinning apparatus in liquid syringe as electrospinning solution, selecting metal spinnerette diameters is 1.6mm, applying voltage is 30KV.Distance between adjustment spinning head and reception substrate is at 30cm.In preparation process, above-mentioned electrospinning solution produces jet under electrostatic interaction, when electric field force is during higher than the surface tension of electrospinning solution, the refinement that is stretched of electrospinning solution, in dropping process along with solvent N, the volatilization of dinethylformamide/oxolane, forms polystyrene-silica composite micro-nano composite construction electrospinning fibre---water-oil separating composite cellulosic membrane.The stacking film forming uniform fold of fiber random arrangement receives in substrate in steel wire etc.
In this water-oil separating composite cellulosic membrane, the fibre diameter of polystyrene is about 2.5 μ m, silica attached to it is due to the polymer overmold existing to a certain degree, and particle size is about 55nm and nanometer silicon dioxide particle is evenly coated on styroflex surface.The contact angle CA=154 ° of micro-nano composite cellulosic membrane to water, to oily contact OCA=0 °, has the special wettability of super-hydrophobic super oleophylic.
Above-mentioned water-oil separating composite cellulosic membrane is put into oil mixing with water system, and wherein demonstration oil used is the machine oil after oil red O stain.This micro-nano composite cellulosic membrane has selection removal capacity to the oil in oil mixing with water system.
(1) polyurethane (Sigma-Aldirich) is dissolved in analytically pure DMF solution, is configured to mass fraction and is the DMF solution of 10% polyurethane.
(2) the hydrophobic silica nanoparticle doped that is 150nm by diameter, to above-mentioned polymer solution, is uniformly mixed formation mixed solution, and wherein silica quality mark accounts for 20% of mixed solution.
(3) using the confession liquid syringe that is placed in electrostatic spinning apparatus through the mixed solution of step (2) configuration as electrospinning solution, selecting metal spinnerette diameters is 0.6mm, and applying voltage is 10KV.Distance between adjustment spinning head and reception substrate is at 10cm.In preparation process, above-mentioned electrospinning solution produces jet under electrostatic interaction, in the time that electric field force mixes the surface tension of electrospinning solution higher than polyurethane-silica, the refinement that is stretched of electrospinning solution, in dropping process along with solvent N, the volatilization of dinethylformamide, the polyurethane-silica composite micro-nano composite construction electrospinning fibre forming.The stacking film forming uniform fold of fiber random arrangement receives in substrate in steel wire etc.
In the compound water-oil separating composite cellulosic membrane of this micro-nano, the fibre diameter of polyurethane is about 1.8 μ m, and silica attached to it is owing to existing certain polymer-coated particles size to be about 152nm and nanometer silicon dioxide particle is evenly coated on styroflex surface.The contact angle CA=159 ° of water-oil separating composite cellulosic membrane to water, to oily contact OCA=0 °, has the special wettability of super-hydrophobic super oleophylic.
Above-mentioned water-oil separating composite cellulosic membrane is put into oil mixing with water system, and wherein demonstration oil used is the machine oil after oil red O stain.This water-oil separating composite cellulosic membrane has selection removal capacity to the oil in oil mixing with water system.
(1) polymethyl methacrylate (weight average molecular weight 300,000) is dissolved in analytically pure DMF solution, is configured to mass fraction and is the DMF solution of 20% polymethyl methacrylate.
(2) the hydrophobic silica nanoparticle doped that is 80nm by diameter, to above-mentioned polymer solution, is uniformly mixed formation mixed solution, and wherein silica quality mark accounts for 40% of mixed solution.
(3) will through the mixed solution that contains nano-silicon dioxide particle of step (2) configuration as for electrostatic spinning apparatus in liquid syringe as electrospinning solution, selecting metal spinnerette diameters is 0.4mm, applying voltage is 25KV.Distance between adjustment spinning head and reception substrate is at 10cm.In preparation process, above-mentioned electrospinning solution produces jet under electrostatic interaction, when electric field force is during higher than the surface tension of electrospinning solution, the refinement that is stretched of electrospinning solution, in dropping process along with solvent N, the volatilization of dinethylformamide, formation polymethyl methacrylate-silica composite micro-nano composite construction electrospinning fibre---water-oil separating composite cellulosic membrane, the stacking film forming uniform fold of fiber random arrangement receives in substrate in steel wire etc.
In this water-oil separating composite cellulosic membrane, the fibre diameter of polymethyl methacrylate is about 1.2 μ m, silica dioxide granule attached to it is due to the polymer overmold existing to a certain degree, and size is about 83nm and nanometer silicon dioxide particle is evenly coated on polymethyl methacrylate fiber surface.The contact angle CA=162 ° of described water-oil separating composite cellulosic membrane to water, to oily contact angle OCA=0 °, has the special wettability of super-hydrophobic super oleophylic.
Above-mentioned water-oil separating composite cellulosic membrane is put into oil mixing with water system, and wherein demonstration oil used is the machine oil after oil red O stain.This water-oil separating composite cellulosic membrane has selection removal capacity to the oil in oil mixing with water system.
embodiment 5
(1) polycaprolactone (weight average molecular weight 270,000) is dissolved in analytically pure chloroform soln, is configured to mass fraction and is the chloroform soln of 35% polycaprolactone.
(2) the hydrophobic silica nanoparticle doped that is 60nm by diameter, to above-mentioned polymer solution, is uniformly mixed and obtains mixed solution, and wherein silica quality mark accounts for 10% of mixed solution.
(3) using the confession liquid syringe that is placed in electrostatic spinning apparatus through the mixed solution of step (2) configuration as electrospinning solution, selecting metal spinnerette diameters is 1.0mm, and applying voltage is 20KV.Distance between adjustment spinning head and reception substrate is at 20cm.In preparation process, above-mentioned electrospinning solution produces jet under electrostatic interaction, in the time that electric field force mixes the surface tension of electrospinning solution higher than polycaprolactone-silica, the solution refinement that is stretched, in dropping process along with the volatilization of solvent chloroform, formation polycaprolactone-silica composite micro-nano composite construction electrospinning fibre---water-oil separating composite cellulosic membrane, the stacking film forming uniform fold of fiber random arrangement receives in substrate in steel wire etc.
In this water-oil separating composite cellulosic membrane, the fibre diameter of polycaprolactone is about 1.5 μ m, silica dioxide granule attached to it is due to the polymer overmold existing to a certain degree, and size is about 65nm and nanometer silicon dioxide particle is evenly coated on polycaprolactone fiber surface.The contact angle CA=151.5 ° of described water-oil separating composite cellulosic membrane to water, to oily contact angle OCA=0 °, has the special wettability of super-hydrophobic super oleophylic.
Above-mentioned water-oil separating composite cellulosic membrane is put into oil mixing with water system, and wherein demonstration oil used is the machine oil after oil red O stain.This water-oil separating composite cellulosic membrane has selection removal capacity to the oil in oil mixing with water system.
Claims (9)
1. high efficiency oil-water separates a preparation method for composite cellulosic membrane, it is characterized in that, comprises following step:
(1) polymer A is dissolved in solvent orange 2 A in 20～25 DEG C of room temperature environments, is stirred well to polymer A and dissolves completely, obtain polymer solution, resulting polymers solution is 10～35% containing the quality percentage composition of polymer A;
Described polymer A is the polymer with hydrophobic property;
Described solvent orange 2 A is that a kind of solvent or the two kinds of solvents in DMF, oxolane or chloroform form mixed solvent;
(2) the hydrophobicity inorganic nano-particle of nanoscale yardstick is added in described polymer solution, be fully uniformly mixed formation mixed solution, the quality percentage composition of inorganic nano-particle is no more than 50% of mixed solution quality;
(3) using above-mentioned mixed solution as electrostatic spinning presoma, be placed in the syringe of electrospinning device, at the metal spinning head of syringe and receive between substrate and apply high-voltage electrostatic field, high-pressure electrostatic field voltage is 10～35KV, and the diameter of metal spinning head is 0.4mm～1.6mm; The distance of adjusting metal spinning head and receive between substrate is 10～30cm, and the high-voltage electrostatic field applying makes electrostatic spinning presoma produce jet under electrostatic interaction, in reception substrate, obtains water-oil separating composite cellulosic membrane.
2. a kind of high efficiency oil-water according to claim 1 separates the preparation method of composite cellulosic membrane, it is characterized in that: described polymer A is any one in polyurethane, polystyrene, polymethyl methacrylate or polycaprolactone.
3. a kind of high efficiency oil-water according to claim 1 separates the preparation method of composite cellulosic membrane, it is characterized in that: described inorganic nano-particle comprises the hydrophobic silica nano particle of diameter between 50nm～150nm.
4. a kind of high efficiency oil-water according to claim 1 separates the preparation method of composite cellulosic membrane, it is characterized in that: in mixed solution, the quality percentage composition of inorganic nano-particle is 10%～50%.
5. a kind of high efficiency oil-water according to claim 1 separates the preparation method of composite cellulosic membrane, it is characterized in that: described reception substrate is flat steel silk screen or aluminium foil.
6. a high efficiency oil-water separates composite cellulosic membrane, it is characterized in that: adopt the preparation method described in claim 1 to prepare, in described water-oil separating composite cellulosic membrane, inorganic nano-particle random arrangement, uniform fold, in polymeric fiber surface, form micro-nano compound structure.
7. a kind of high efficiency oil-water according to claim 6 separates composite cellulosic membrane, it is characterized in that: in water-oil separating composite cellulosic membrane, fibre diameter is 1.0 μ m～2.5 μ m, and inorganic nano-particle attached to it is of a size of 55nm～152nm.
8. a kind of high efficiency oil-water according to claim 6 separates composite cellulosic membrane, it is characterized in that: this water-oil separating composite cellulosic membrane is greater than 150 ° to the contact angle of water in air, oily contact angle is approached to 0 °, there is the special wettability of super-hydrophobic super oleophylic.
9. a kind of high efficiency oil-water according to claim 6 separates the application of composite cellulosic membrane, it is characterized in that: this water-oil separating composite cellulosic membrane absorbs and removes and water body purification aspect fast for the efficient of oil-polluted water oil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410125768.1A CN103866492A (en) | 2014-03-31 | 2014-03-31 | Efficient oil and water separation composite fiber film and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410125768.1A CN103866492A (en) | 2014-03-31 | 2014-03-31 | Efficient oil and water separation composite fiber film and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103866492A true CN103866492A (en) | 2014-06-18 |
Family
ID=50905482
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410125768.1A Pending CN103866492A (en) | 2014-03-31 | 2014-03-31 | Efficient oil and water separation composite fiber film and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103866492A (en) |
Cited By (35)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104264373A (en) * | 2014-09-09 | 2015-01-07 | 天津工业大学 | Oil absorbent fibrous membranes production method |
| CN104313796A (en) * | 2014-09-09 | 2015-01-28 | 天津工业大学 | Manufacturing method for fibrous membrane for oil-water separation |
| CN104831415A (en) * | 2015-05-18 | 2015-08-12 | 中国石油大学(华东) | Porous fiber membrane with oil-water emulsion separation capacity and preparation method thereof |
| CN104909442A (en) * | 2015-06-10 | 2015-09-16 | 北京奥意尔工程技术有限公司 | Oilfield oily sewage treatment agent |
| CN105002656A (en) * | 2014-12-29 | 2015-10-28 | 中国科学院烟台海岸带研究所 | Hydrophobic film with self-cleaning function, preparation method thereof and application thereof |
| CN105251370A (en) * | 2015-11-24 | 2016-01-20 | 江润生 | Super-hydrophobic air filtering membrane as well as preparation method and application thereof |
| CN105420927A (en) * | 2015-11-03 | 2016-03-23 | 北京航空航天大学 | High-efficiency adjustable mixed liquid separating fiber membrane and preparation method thereof |
| CN105603637A (en) * | 2016-01-19 | 2016-05-25 | 南京林业大学 | Efficient electrostatic spinning oil-water separation fiber membrane |
| CN105644085A (en) * | 2015-12-31 | 2016-06-08 | 中国科学院烟台海岸带研究所 | Multilayer composite nanofiber film and application thereof |
| CN105854622A (en) * | 2016-05-12 | 2016-08-17 | 西北师范大学 | Preparation method of oil-water separation mesh membrane with hydrophobic property and anti-corrosion property |
| CN105908364A (en) * | 2016-06-16 | 2016-08-31 | 南通那芙尔服饰有限公司 | Oil-water separation fiber membrane |
| CN105908366A (en) * | 2016-06-21 | 2016-08-31 | 齐鲁工业大学 | Hydrophobic and oleophilic-hydrophilic underwater oleophobic thin oil film as well as adjustment and control method, preparation process and application thereof |
| CN105951302A (en) * | 2016-06-08 | 2016-09-21 | 海南大学 | Method for preparing oil-water separation nanofiber membrane |
| CN106149199A (en) * | 2015-04-10 | 2016-11-23 | 中国科学院上海应用物理研究所 | The preparation method of a kind of automatically cleaning membrane material, its product and purposes |
| CN106149198A (en) * | 2015-04-10 | 2016-11-23 | 中国科学院上海应用物理研究所 | The preparation method of a kind of waterproofing membrane material, its product and purposes |
| CN106567194A (en) * | 2016-11-15 | 2017-04-19 | 广东聚航新材料研究院有限公司 | Preparing method for SiO2 nano particle modified polyurethane hydrophobic and oleophobic film |
| CN106622149A (en) * | 2016-12-22 | 2017-05-10 | 北京师范大学 | Adsorption film with functions of adsorbing and removing spilled oil based on electrostatic spinning technology |
| CN107587267A (en) * | 2016-07-06 | 2018-01-16 | 南京理工大学 | One kind is used for water-oil emulsion separation nano fibrous membrane and preparation method thereof |
| CN108816206A (en) * | 2018-07-28 | 2018-11-16 | 裴泽民 | A kind of preparation method of efficient absorption oil absorption material |
| CN109316778A (en) * | 2018-09-14 | 2019-02-12 | 浙江工业大学 | A kind of method that immersion coating polymer nano granules prepare super-hydrophobic copper mesh |
| CN109338597A (en) * | 2018-10-18 | 2019-02-15 | 吉林大学 | One-step shaping method prepares the super-hydrophobic electrostatic spinning film of polycaprolactone of multilevel structure |
| CN109610031A (en) * | 2018-11-20 | 2019-04-12 | 西北师范大学 | The preparation of biomass carbon dopen Nano fibrofelt and its application in oil-water separation mixture |
| CN109629113A (en) * | 2018-11-28 | 2019-04-16 | 上海工程技术大学 | A kind of moisture-inhibiting nano-fiber material of super-hydrophobic waterproof and preparation method thereof |
| CN109778323A (en) * | 2019-01-17 | 2019-05-21 | 河南科技学院 | Porous copolymer of acrylamide polystyrene composite fibre, preparation method and applications |
| CN110079876A (en) * | 2019-04-30 | 2019-08-02 | 苏州大学 | A kind of preparation method and application of high oil-absorbing nanofiber aeroge |
| CN110205749A (en) * | 2019-05-25 | 2019-09-06 | 浙江佳海新材料有限公司 | A kind of production technology of nanofiber combined filtration paper |
| CN110339596A (en) * | 2019-08-16 | 2019-10-18 | 天津工业大学 | A kind of preparation method for the water-oil separating composite membrane adding COFs |
| CN110424099A (en) * | 2019-07-31 | 2019-11-08 | 厦门理工学院 | A kind of multistage composite nano fibrous membrane and preparation method thereof for water-oil separating |
| CN110938940A (en) * | 2019-12-10 | 2020-03-31 | 安徽工程大学 | Preparation method of super-hydrophobic nanofiber membrane |
| CN111215037A (en) * | 2020-01-15 | 2020-06-02 | 盘锦伸兴石油化工有限公司 | Composite filtering membrane, preparation method thereof and application thereof in treatment of marine oil raw material |
| CN112851984A (en) * | 2021-01-04 | 2021-05-28 | 湖南科技大学 | Preparation method of enhanced polyurethane transparent composite film |
| CN113119551A (en) * | 2021-04-14 | 2021-07-16 | 内蒙古工业大学 | Composite fiber membrane and preparation method and application thereof |
| CN113926315A (en) * | 2021-11-25 | 2022-01-14 | 北京化工大学 | Rapid preparation method and application of efficient oil-water separation membrane |
| CN113957610A (en) * | 2021-11-25 | 2022-01-21 | 北京化工大学 | Preparation and application of electrospun nanofiber oil-water separation membrane for water quality alkyl mercury detection |
| CN114960036A (en) * | 2022-04-07 | 2022-08-30 | 苏州大学 | Super-hydrophobic composite membrane and preparation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008030457A2 (en) * | 2006-09-06 | 2008-03-13 | Corning Incorporated | Nanofibers, nanofilms and methods of making/using thereof |
| CN101745327A (en) * | 2009-12-29 | 2010-06-23 | 浙江大学 | Method for fixing biological molecules on polymer microporous membrane surface |
| KR20110042307A (en) * | 2008-07-10 | 2011-04-26 | 보드 오브 리전츠 더 유니버시티 오브 텍사스 시스템 | Water purification membranes with improved fouling resistance |
| CN102794113A (en) * | 2012-08-24 | 2012-11-28 | 中国科学院苏州纳米技术与纳米仿生研究所 | Super hydrophobic-supper lipophilic polymer porous film, preparation method and application thereof |
| CN102961893A (en) * | 2012-11-07 | 2013-03-13 | 清华大学 | Super-hydrophobic and super-oleophylic oil-water separating mesh membrane and preparation method thereof |
-
2014
- 2014-03-31 CN CN201410125768.1A patent/CN103866492A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008030457A2 (en) * | 2006-09-06 | 2008-03-13 | Corning Incorporated | Nanofibers, nanofilms and methods of making/using thereof |
| KR20110042307A (en) * | 2008-07-10 | 2011-04-26 | 보드 오브 리전츠 더 유니버시티 오브 텍사스 시스템 | Water purification membranes with improved fouling resistance |
| CN101745327A (en) * | 2009-12-29 | 2010-06-23 | 浙江大学 | Method for fixing biological molecules on polymer microporous membrane surface |
| CN102794113A (en) * | 2012-08-24 | 2012-11-28 | 中国科学院苏州纳米技术与纳米仿生研究所 | Super hydrophobic-supper lipophilic polymer porous film, preparation method and application thereof |
| CN102961893A (en) * | 2012-11-07 | 2013-03-13 | 清华大学 | Super-hydrophobic and super-oleophylic oil-water separating mesh membrane and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 王帅: "静电纺丝法制备功能性超疏水材料", 《中国博士学位论文全文数据库 工程科技Ⅰ辑》 * |
Cited By (51)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104313796A (en) * | 2014-09-09 | 2015-01-28 | 天津工业大学 | Manufacturing method for fibrous membrane for oil-water separation |
| CN104264373A (en) * | 2014-09-09 | 2015-01-07 | 天津工业大学 | Oil absorbent fibrous membranes production method |
| CN104264373B (en) * | 2014-09-09 | 2017-02-15 | 天津工业大学 | Oil absorbent fibrous membranes production method |
| CN105002656B (en) * | 2014-12-29 | 2018-06-19 | 中国科学院烟台海岸带研究所 | A kind of hydrophobic membrane with self-cleaning function and its preparation method and application |
| CN105002656A (en) * | 2014-12-29 | 2015-10-28 | 中国科学院烟台海岸带研究所 | Hydrophobic film with self-cleaning function, preparation method thereof and application thereof |
| CN106149199B (en) * | 2015-04-10 | 2019-11-22 | 中国科学院上海应用物理研究所 | A kind of preparation method of automatically cleaning membrane material, its product and purposes |
| CN106149198B (en) * | 2015-04-10 | 2019-11-22 | 中国科学院上海应用物理研究所 | A kind of preparation method of waterproofing membrane material, its product and purposes |
| CN106149198A (en) * | 2015-04-10 | 2016-11-23 | 中国科学院上海应用物理研究所 | The preparation method of a kind of waterproofing membrane material, its product and purposes |
| CN106149199A (en) * | 2015-04-10 | 2016-11-23 | 中国科学院上海应用物理研究所 | The preparation method of a kind of automatically cleaning membrane material, its product and purposes |
| CN104831415B (en) * | 2015-05-18 | 2016-08-24 | 中国石油大学(华东) | A kind of porous fiber film with oil hydrosol separating power and preparation method thereof |
| CN104831415A (en) * | 2015-05-18 | 2015-08-12 | 中国石油大学(华东) | Porous fiber membrane with oil-water emulsion separation capacity and preparation method thereof |
| CN104909442A (en) * | 2015-06-10 | 2015-09-16 | 北京奥意尔工程技术有限公司 | Oilfield oily sewage treatment agent |
| CN105420927A (en) * | 2015-11-03 | 2016-03-23 | 北京航空航天大学 | High-efficiency adjustable mixed liquid separating fiber membrane and preparation method thereof |
| CN105420927B (en) * | 2015-11-03 | 2018-03-23 | 北京航空航天大学 | A kind of efficiently adjustable mixing liquid separation tunica fibrosa and preparation method thereof |
| CN105251370B (en) * | 2015-11-24 | 2018-08-31 | 江润生 | A kind of super-hydrophobic air-filtering membrane and its preparation method and application |
| CN105251370A (en) * | 2015-11-24 | 2016-01-20 | 江润生 | Super-hydrophobic air filtering membrane as well as preparation method and application thereof |
| CN105644085A (en) * | 2015-12-31 | 2016-06-08 | 中国科学院烟台海岸带研究所 | Multilayer composite nanofiber film and application thereof |
| CN105603637A (en) * | 2016-01-19 | 2016-05-25 | 南京林业大学 | Efficient electrostatic spinning oil-water separation fiber membrane |
| CN105854622A (en) * | 2016-05-12 | 2016-08-17 | 西北师范大学 | Preparation method of oil-water separation mesh membrane with hydrophobic property and anti-corrosion property |
| CN105951302A (en) * | 2016-06-08 | 2016-09-21 | 海南大学 | Method for preparing oil-water separation nanofiber membrane |
| CN105951302B (en) * | 2016-06-08 | 2020-10-27 | 海南大学 | Method for preparing oil-water separation nanofiber membrane |
| CN105908364A (en) * | 2016-06-16 | 2016-08-31 | 南通那芙尔服饰有限公司 | Oil-water separation fiber membrane |
| CN105908366A (en) * | 2016-06-21 | 2016-08-31 | 齐鲁工业大学 | Hydrophobic and oleophilic-hydrophilic underwater oleophobic thin oil film as well as adjustment and control method, preparation process and application thereof |
| CN107587267A (en) * | 2016-07-06 | 2018-01-16 | 南京理工大学 | One kind is used for water-oil emulsion separation nano fibrous membrane and preparation method thereof |
| CN106567194A (en) * | 2016-11-15 | 2017-04-19 | 广东聚航新材料研究院有限公司 | Preparing method for SiO2 nano particle modified polyurethane hydrophobic and oleophobic film |
| CN106622149A (en) * | 2016-12-22 | 2017-05-10 | 北京师范大学 | Adsorption film with functions of adsorbing and removing spilled oil based on electrostatic spinning technology |
| CN108816206A (en) * | 2018-07-28 | 2018-11-16 | 裴泽民 | A kind of preparation method of efficient absorption oil absorption material |
| CN109316778A (en) * | 2018-09-14 | 2019-02-12 | 浙江工业大学 | A kind of method that immersion coating polymer nano granules prepare super-hydrophobic copper mesh |
| CN109316778B (en) * | 2018-09-14 | 2021-10-15 | 浙江工业大学 | Method for preparing super-hydrophobic copper mesh by dip coating of polymer nanoparticles |
| CN109338597A (en) * | 2018-10-18 | 2019-02-15 | 吉林大学 | One-step shaping method prepares the super-hydrophobic electrostatic spinning film of polycaprolactone of multilevel structure |
| CN109610031B (en) * | 2018-11-20 | 2020-12-22 | 西北师范大学 | Preparation of biomass carbon-doped nanofiber felt and application of biomass carbon-doped nanofiber felt in separation of oil-water mixture |
| CN109610031A (en) * | 2018-11-20 | 2019-04-12 | 西北师范大学 | The preparation of biomass carbon dopen Nano fibrofelt and its application in oil-water separation mixture |
| CN109629113A (en) * | 2018-11-28 | 2019-04-16 | 上海工程技术大学 | A kind of moisture-inhibiting nano-fiber material of super-hydrophobic waterproof and preparation method thereof |
| CN109778323A (en) * | 2019-01-17 | 2019-05-21 | 河南科技学院 | Porous copolymer of acrylamide polystyrene composite fibre, preparation method and applications |
| CN110079876A (en) * | 2019-04-30 | 2019-08-02 | 苏州大学 | A kind of preparation method and application of high oil-absorbing nanofiber aeroge |
| CN110205749B (en) * | 2019-05-25 | 2022-04-08 | 浙江佳海新材料有限公司 | Production process of nanofiber composite filter paper |
| CN110205749A (en) * | 2019-05-25 | 2019-09-06 | 浙江佳海新材料有限公司 | A kind of production technology of nanofiber combined filtration paper |
| CN110424099A (en) * | 2019-07-31 | 2019-11-08 | 厦门理工学院 | A kind of multistage composite nano fibrous membrane and preparation method thereof for water-oil separating |
| CN110339596B (en) * | 2019-08-16 | 2021-09-17 | 天津工业大学 | Preparation method of oil-water separation composite membrane added with COFs |
| CN110339596A (en) * | 2019-08-16 | 2019-10-18 | 天津工业大学 | A kind of preparation method for the water-oil separating composite membrane adding COFs |
| CN110938940B (en) * | 2019-12-10 | 2021-09-17 | 安徽工程大学 | Preparation method of super-hydrophobic nanofiber membrane |
| CN110938940A (en) * | 2019-12-10 | 2020-03-31 | 安徽工程大学 | Preparation method of super-hydrophobic nanofiber membrane |
| CN111215037A (en) * | 2020-01-15 | 2020-06-02 | 盘锦伸兴石油化工有限公司 | Composite filtering membrane, preparation method thereof and application thereof in treatment of marine oil raw material |
| CN111215037B (en) * | 2020-01-15 | 2022-11-15 | 盘锦伸兴石油化工有限公司 | Composite filtering membrane, preparation method thereof and application thereof in treatment of marine oil raw material |
| CN112851984A (en) * | 2021-01-04 | 2021-05-28 | 湖南科技大学 | Preparation method of enhanced polyurethane transparent composite film |
| CN113119551A (en) * | 2021-04-14 | 2021-07-16 | 内蒙古工业大学 | Composite fiber membrane and preparation method and application thereof |
| CN113119551B (en) * | 2021-04-14 | 2023-02-17 | 内蒙古工业大学 | Composite fiber membrane and preparation method and application thereof |
| CN113926315A (en) * | 2021-11-25 | 2022-01-14 | 北京化工大学 | Rapid preparation method and application of efficient oil-water separation membrane |
| CN113957610A (en) * | 2021-11-25 | 2022-01-21 | 北京化工大学 | Preparation and application of electrospun nanofiber oil-water separation membrane for water quality alkyl mercury detection |
| CN113957610B (en) * | 2021-11-25 | 2023-11-10 | 北京化工大学 | Method for high-precision separation of water quality alkyl mercury by using electrospun nanofiber oil-water separation membrane |
| CN114960036A (en) * | 2022-04-07 | 2022-08-30 | 苏州大学 | Super-hydrophobic composite membrane and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103866492A (en) | Efficient oil and water separation composite fiber film and preparation method thereof | |
| CN104436760B (en) | A kind of magnetic response high efficiency oil-water separation tunica fibrosa and preparation method thereof | |
| Cui et al. | Electrospun nanofiber membranes for wastewater treatment applications | |
| Zhang et al. | Electrospun nanofibrous membranes: an effective arsenal for the purification of emulsified oily wastewater | |
| Zhang et al. | Structural design and environmental applications of electrospun nanofibers | |
| CN102691175B (en) | Composite fibre membrane with unidirectional water permeable performance and preparation method thereof | |
| CN106133213B (en) | Nano-fiber manufacturing apparatus | |
| CN103898676A (en) | Cellulose acetate/ titanium dioxide composite nanofiber adsorption film and preparation method thereof | |
| Zhang et al. | Spider silk bioinspired superhydrophilic nanofibrous membrane for efficient oil/water separation of nanoemulsions | |
| CN106283389A (en) | A kind of hydrophobic/hydrophilic wellability difference composite cellulosic membrane and preparation method thereof | |
| CN108889140A (en) | One kind is based on controllable lotion separation tunica fibrosa of wellability and preparation method thereof | |
| Bagbi et al. | Electrospun nanofibrous filtration membranes for heavy metals and dye removal | |
| CN110872741B (en) | Composite nanofiber membrane simultaneously used for emulsion separation and dye adsorption and preparation method thereof | |
| CN105133062A (en) | Preparation method of modified polypropylene nano fiber and oil absorption felt made from modified polypropylene nano fiber | |
| CN104480636A (en) | Polyvinylidene fluoride nano-fiber membrane material and preparation method and application thereof | |
| CN107475798A (en) | A kind of nano-fiber material for the extraction of uranium from seawater and preparation method thereof | |
| CN104831415A (en) | Porous fiber membrane with oil-water emulsion separation capacity and preparation method thereof | |
| CN103334244A (en) | Preparation method for self-assembly of electrospinning rosary-like fibers | |
| Zhang et al. | Groove-shaped polypropylene/polyester micro/nanofibrous nonwoven with enhanced oil wetting capability for high oil/water separation | |
| CN106757424A (en) | A kind of method of electrostatic spinning and electrostatic spinning machine prepared with stereochemical structure tunica fibrosa | |
| Sun et al. | Multi-scaled, hierarchical nanofibrous membrane for oil/water separation and photocatalysis: Preparation, characterization and properties evaluation | |
| Haider et al. | Electrohydrodynamic processes and their affecting parameters | |
| Shami et al. | Wool-like fibrous nonwoven mesh with ethanol-triggered transition between antiwater and antioil superwetting states for immiscible and emulsified light oil–water separation | |
| CN108421424A (en) | A kind of nano fibrous membrane and preparation method thereof of processing industrial wastewater | |
| CN105420927B (en) | A kind of efficiently adjustable mixing liquid separation tunica fibrosa and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140618 |
|
| WD01 | Invention patent application deemed withdrawn after publication |