CN104211981A - Self-assembled forming method of multilevel honeycomb micropore polymer film - Google Patents
Self-assembled forming method of multilevel honeycomb micropore polymer film Download PDFInfo
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- CN104211981A CN104211981A CN201410461188.XA CN201410461188A CN104211981A CN 104211981 A CN104211981 A CN 104211981A CN 201410461188 A CN201410461188 A CN 201410461188A CN 104211981 A CN104211981 A CN 104211981A
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Abstract
The invention relates to a self-assembled forming method of a multilevel honeycomb micropore polymer film. The method comprises the following three steps: step 1, pretreatment of a basal plate; step 2, preparation of a polymer solution; and steps 3, forming of a honeycomb micropore film. According to the method, the traditional high-humidity water vapor is replaced with ultrasonic atomized micro-droplets, so that the regular honeycomb micropore polymer film is formed by utilizing the self-assembling of micro-droplets on a highly volatile solution surface of a polymer; the sprayed and atomized micro-droplets are dynamically controllable, so that the operation flexibility in a forming process is enhanced; a secondary honeycomb micropore film can be prepared by spraying the micro-droplets twice; and the large-area honeycomb micropore film can be possibly formed on the basis of supplying of a large quantity of micro-droplets. The prepared primary micropore film has the micropore diameter within 1 to 10 microns; the prepared secondary honeycomb micropore film has the macropore diameter within 1 to 10 microns and the micropore diameter within 0.2 to 0.9 micron; and the prepared micropore film in the largest area can reach above 100cm<2>.
Description
Technical field
The present invention relates to a kind of method that multistage cellular microporous polymer film self-assembly is shaped, more particularly, it is a kind of micro-drop of ultrasonic atomizatio that sprays on water-fast polymers soln surface, micro-drop is self-assembly patterning in solution surface, and the postforming of volatilizing completely of micro-drop and solvent goes out the method for multistage cellular microporous membrane.Belong to technical field of function materials.
Background technology
Cellular microporous membrane is the film with regularly arranged micro/nano level vesicular structure.Because this film has regular solid matter pore structure, and pore structure yardstick is in micron or nanoscale, thereby it has wide practical use in fields such as optics, organizational project, filter membrane, catalysis, super hydrophobic surfaces.
At present, the main method of preparing this film has photolithography, template stamped method and water assisted self assembling method etc.Wherein, photolithography has the steps such as the making, photoetching development, etching of mask, and process is loaded down with trivial details, and every step process requires high, spends highly, and efficiency is low; Template stamped method need to use the microprotrusion array corresponding with microvoid structure, and the same process complexity of preparation, time and the cost requirements of this solid matter microprotrusion array are high.And water assisted self assembling method is a kind of method of simply efficient, the time saving and energy saving cellular microporous membrane of preparation, be subject to paying close attention to widely.
In traditional water assisted self assembling method, first microporous membrane material is dissolved in water-fast easy volatile solvent and obtains solution, then solution is added drop-wise on the substrate being positioned in certain humidity environment, the quick volatilization of solvent causes that steam coagulation becomes micro-drop, and drop on solution, under capillary force dual function between mug(unit of measure) Buddhist nun convection current and drop, micro-drop is self-assembled into hexagon rule solid matter, after micro-drop and solvent volatilize completely, the solute in solution is just configured as the film with honeycomb microporous structure.The microporous membrane although can rapidly and efficiently be shaped, this method still has a lot of limitation, such as: need in the environment of a relative high humidity, carry out, metastable humidity environment makes forming process be difficult to dynamic regulation; The tradition water auxiliary law single-stage microporous membrane that can only be shaped; The drop amount that under certain environment, steam coagulation becomes is limited, causes the microporous membrane area of shaping less than normal.Seem particularly important in order to strengthen the practicality of this method and formed thereby film thereof, to address these problems.
Summary of the invention
1, object: the present invention seeks to propose a kind of method that multistage cellular microporous polymer film self-assembly is shaped, micro-drop that ultrasonic atomizatio is sprayed in the method utilization replaces traditional humidity environment, in the cellular microporous membrane that is shaped, can realize the dynamic regulation to process, multistage microporous membrane can be shaped; More water supply also makes large-area cellular microporous membrane become possibility.
2, technical scheme: the method that a kind of multistage cellular microporous polymer film self-assembly of the present invention is shaped, the concrete steps of the method are as follows:
Step 1: the pre-treatment of substrate
(A) the square or circular substrate of clip, area 4cm
2~200cm
2;
(B) use scrubbing powder cleaning base plate, rinse well with deionized water again, put into Glass Containers, to the deionized water that adds 200ml~1000ml in Glass Containers, then Glass Containers is placed in supersonic cleaning machine, under the condition of power 700W~1000W, operating frequency 25KHz~40KHz, after ultrasonic cleaning 10min~20min, obtains the first pretreated substrate;
(C) the first pretreated substrate is put into another Glass Containers, add the dehydrated alcohol that 200ml~1000ml mass percent concentration is 95%, then Glass Containers is placed in supersonic cleaning machine, under the condition of power 700W~1000W, operating frequency 25KHz~40KHz, after ultrasonic cleaning 10min~20min, obtains the second pretreated substrate;
(D) the second pretreated substrate is taken out after dry 10~30min in 80 DEG C~120 DEG C environment of temperature, both obtained clean substrate.
Step 2: the preparation of polymers soln
(A) weigh 0.2g~1g polymer powder with precision balance, join in Glass Containers;
(B) measure the water insoluble volatile solvent of 100ml~500ml with graduated cylinder, be then poured in Glass Containers, use glass stick to stir evenly, polymer powder is dissolved completely, both polymers soln.
Concentration requirement: join polymer solution concentration should be at 2g/L within the scope of 8g/L.
Step 3: the shaping of cellular microporous membrane
(A) clean substrate is placed in horizontal table top, then the polymers soln of 0.5mL~5mL is added drop-wise on clean substrate; The corresponding relation of amount of solution and clean substrate size should meet: after solution is sprawled naturally, cover clean substrate completely, and can not overflow at substrate edges;
(B) the micro-drop of ultrasonic humidifier ultrasonic atomizatio of use oscillation frequency 1.5MHz~3MHz, use internal diameter is that micro-drop air-flow is guided to top, substrate center by the rubber tubing of 2cm~5cm, flow is 15mL/s~30mL/s, and spray by jet hole, jet hole is placed in to 3cm~8cm place, top of substrate center vertically downward;
(C) jet hole injecting time above solution is 15s~30s, removes afterwards jet hole, until solvent and micro-drop volatilize completely, the cellular microporous membrane of single-stage can be shaped; The operation of (B) in repeating step three in the time removing 40s~100s after jet hole, jet hole injecting time above solution is similarly 15s~30s, remove afterwards jet hole, until solvent and micro-drop volatilize completely, the cellular microporous membrane of secondary can be shaped.
The material of the substrate of wherein, selecting in step 1 (A) can be the one in glass, silicon chip, polyvinyl chloride.
The polymkeric substance of the polymer powder of wherein, selecting in step 2 (A) can be the one in polyphenylene oxide, polyethylene, polystyrene.
Wherein, the water insoluble volatile solvent of selecting in step 2 (B) can be the one in dithiocarbonic anhydride, chloroform, tetrahydrofuran (THF), trichloromethane, benzene.
Wherein, the cellular microporous membrane aperture size of single-stage that can be shaped in step 3 (C) is 1 μ m~10 μ m, and in the cellular microporous membrane of secondary, one-level macropore diameter is of a size of 1 μ m~10 μ m, and secondary small aperture is of a size of 0.2 μ m~0.9 μ m.
3, advantage and effect: the method that a kind of multistage cellular microporous polymer film self-assembly of the present invention is shaped, its advantage is:
(1) use ultrasonic atomizatio micro-drop to replace traditional water vapour directly for forming process provides micro-drop template, easy to operate, avoid ambient moisture control process loaded down with trivial details in traditional method;
(2) directly use the micro-drop of nozzle ejection atomization, process is dynamically controlled, has increased the handiness of experimental implementation;
(3) regulate and control injecting time and injection flow, can prepare the microporous membrane of different pore size;
(4) adopt the method for twice micro-drop of jet atomization can prepare secondary microporous membrane;
(5) adopt the micro-drop of atomization of ultrasonic atomizer greatly to increase micro-drop supply, can prepare large-area microporous membrane.
Brief description of the drawings
Fig. 1: be enforcement figure of the present invention.
Fig. 2: be the cellular microporous membrane surface topography of the single-stage electron scanning micrograph that embodiment 1 obtains.
Fig. 2 A: the partial enlarged drawing that is Fig. 2.
Fig. 3: be the cellular microporous membrane surface topography of the secondary electron scanning micrograph that embodiment 2 obtains.
Fig. 3 A: the partial enlarged drawing that is Fig. 3.
Fig. 4: be the cellular microporous membrane surface topography of the big area single-stage electron scanning micrograph that embodiment 3 obtains.
Fig. 4 A: the partial enlarged drawing that is Fig. 4.
Fig. 5: be FB(flow block) of the present invention.
Component symbol is described as follows:
11 ... ultrasonic humidifier 12 ... substrate
13 ... polymers soln 14 ... rubber tubing
15 ... the micro-drop of atomization
Embodiment
Below in conjunction with drawings and Examples, the present invention is described in further detail.
The present invention is a kind of method that cellular microporous polymer film self-assembly is shaped, the method is used the micro-drop of ultrasonic atomizatio to replace traditional high humidity water vapour, the micro-drop of jet atomization above polymers soln center, dynamically the controlled course of injection aperture size that makes to be shaped is easy to control, adopt the method for second spraying can prepare secondary microporous membrane, the sufficient water yield makes big area microporous membrane become possibility.
See Fig. 5, the present invention is a kind of method that cellular microporous polymer film self-assembly is shaped, and the method comprises the following steps:
Step 1: the pre-treatment of substrate
(A) cut off square or circular substrate, area 4cm
2~200cm
2;
(B) use scrubbing powder cleaning base plate, rinse well with deionized water again, put into Glass Containers, to the deionized water that adds 200ml~1000ml in Glass Containers, then Glass Containers is placed in supersonic cleaning machine, under the condition of power 700W~1000W, operating frequency 25KHz~40KHz, after ultrasonic cleaning 10min~20min, obtains the first pretreated substrate;
(C) the first pretreated substrate is put into another Glass Containers, add the dehydrated alcohol that 200ml~1000ml mass percent concentration is 95%, then Glass Containers is placed in supersonic cleaning machine, under the condition of power 700W~1000W, operating frequency 25KHz~40KHz, after ultrasonic cleaning 10min~20min, obtains the second pretreated substrate;
(D) the second pretreated substrate is taken out after dry 10~30min in 80 DEG C~120 DEG C environment of temperature, both obtained clean substrate.
Step 2: the preparation of polymers soln
(A) weigh 0.2g~1g polymer powder with precision balance, join in Glass Containers;
(B) measure the water insoluble volatile solvent of 100ml~500ml with graduated cylinder, be then poured in Glass Containers, use glass stick to stir evenly, polymer powder is dissolved completely, both polymers soln.
Concentration requirement: join polymer solution concentration should be at 2g/L within the scope of 8g/L.
Step 3: the shaping (shown in Figure 1) of cellular microporous membrane
(A) clean substrate is placed in horizontal table top, then the polymers soln of 0.5mL~5mL is added drop-wise on clean substrate; The corresponding relation of amount of solution and clean substrate should meet: after solution is sprawled naturally, cover clean substrate completely, can not overflow at substrate edges;
(B) the micro-drop of ultrasonic humidifier ultrasonic atomizatio of use oscillation frequency 1.5MHz~3MHz, use internal diameter is that micro-drop air-flow is guided to substrate top by the rubber tubing of 2cm~5cm, flow is 15mL/s~30mL/s, and spray by jet hole, jet hole is placed in to 3cm~8cm place, top of substrate center vertically downward;
(C) jet hole injecting time above solution is 15s~30s, removes afterwards jet hole, until solvent and micro-drop volatilize completely, the cellular microporous membrane of single-stage can be shaped; The operation of (B) in repeating step three in the time removing 40s~100s after jet hole, jet hole injecting time above solution is similarly 15s~30s, remove afterwards jet hole, until solvent and micro-drop volatilize completely, the cellular microporous membrane of secondary can be shaped.
Embodiment 1: the self-assembly of the cellular microporous membrane of single-stage is shaped
Step 1: the pre-treatment of substrate
(A) select square glass sheet, area 9cm
2;
(B) use scrubbing powder to clean sheet glass, rinse well with deionized water again, put into Glass Containers, to the deionized water that adds 200ml in Glass Containers, then Glass Containers is placed in supersonic cleaning machine, under the condition of power 800W, operating frequency 25KHz, after ultrasonic cleaning 10min, obtains the first pre-treatment sheet glass;
(C) the first pre-treatment sheet glass is put into another Glass Containers, adding 200ml mass percent concentration is 95% dehydrated alcohol, then Glass Containers is placed in supersonic cleaning machine, under the condition of power 800W, operating frequency 25KHz, after ultrasonic cleaning 10min, obtains the second pre-treatment sheet glass;
(D) by the dry 10 rear taking-ups in 120 DEG C of environment of temperature of the second pre-treatment sheet glass, both obtained cleaning glass sheet.
Step 2: the preparation of polymers soln
(A) weigh 0.2g polyphenylene oxide powder with precision balance, join in Glass Containers;
(B) measure the dithiocarbonic anhydride solvent of 100ml with graduated cylinder, be then poured in Glass Containers, use glass stick to stir evenly, polyphenylene oxide powder is dissolved completely, both the dithiocarbonic anhydride solution of the concentration polyphenylene oxide that is 2g/L.
Step 3: the shaping (shown in Figure 1) of cellular microporous membrane
(A) cleaning glass sheet is placed in horizontal table top, then drips the polymers soln of 0.5mL thereon;
(B) the micro-drop of ultrasonic humidifier ultrasonic atomizatio of use oscillation frequency 1.7MHz, use internal diameter is that micro-drop air-flow is guided to substrate top by the rubber tubing of 2cm, flow is 20mL/s, and sprays by jet hole, and jet hole is placed in to 5cm place, top of substrate center vertically downward;
(C) jet hole injecting time above solution is 20s, removes afterwards jet hole, until solvent and micro-drop volatilize completely, and the cellular microporous membrane of single-stage that can be shaped (its pattern is as shown in Figure 2).Can see at Fig. 2 A, the aperture of regularly arranged microvoid structure is 3.87 μ m.
Embodiment 2: the self-assembly of the cellular microporous membrane of secondary is shaped
Step 1: the pre-treatment of substrate
(A) select square glass sheet, area 9cm
2;
(B) use scrubbing powder to clean sheet glass, rinse well with deionized water again, put into Glass Containers, to the deionized water that adds 200ml in Glass Containers, then Glass Containers is placed in supersonic cleaning machine, under the condition of power 800W, operating frequency 25KHz, after ultrasonic cleaning 10min, obtains the first pre-treatment sheet glass;
(C) the first pre-treatment sheet glass is put into another Glass Containers, adding 200ml mass percent concentration is 95% dehydrated alcohol, then Glass Containers is placed in supersonic cleaning machine, under the condition of power 800W, operating frequency 25KHz, after ultrasonic cleaning 10min, obtains the second pre-treatment sheet glass;
(D) by the dry 10 rear taking-ups in 120 DEG C of environment of temperature of the second pre-treatment sheet glass, both obtained cleaning glass sheet.
Step 2: the preparation of polymers soln
(A) weigh 0.2g polyphenylene oxide powder with precision balance, join in Glass Containers;
(B) measure the dithiocarbonic anhydride solvent of 100ml with graduated cylinder, be then poured in Glass Containers, use glass stick to stir evenly, polyphenylene oxide powder is dissolved completely, both the dithiocarbonic anhydride solution of the concentration polyphenylene oxide that is 2g/L.
Step 3: the shaping (shown in Figure 1) of cellular microporous membrane
(A) cleaning glass sheet is placed in horizontal table top, then drips the polymers soln of 0.5mL thereon;
(B) the micro-drop of ultrasonic humidifier ultrasonic atomizatio of use oscillation frequency 1.7MHz, use internal diameter is that micro-drop air-flow is guided to substrate top by the rubber tubing of 2cm, flow is 20mL/s, and sprays by jet hole, and jet hole is placed in to 5cm place, top of substrate center vertically downward;
(C) jet hole injecting time above solution is 20s, remove afterwards jet hole, after removing 80s, jet hole again jet hole is moved to 5cm place above substrate center, again spray 20s, then jet hole is removed, until solvent and micro-drop volatilize completely, the cellular microporous membrane of secondary that can be shaped (its pattern is as shown in Figure 3).Can see at Fig. 3 A, the macropore diameter of regularly arranged microvoid structure is 4.09 μ m, macropore around around small aperture be 0.40 μ m~0.85 μ m.
Embodiment 3: the self-assembly of the cellular microporous membrane of big area is shaped
Step 1: the pre-treatment of substrate
(A) select circular glass sheet, diameter is 10cm, and area is 78.5cm
2;
(B) use scrubbing powder to clean sheet glass, rinse well with deionized water again, put into Glass Containers, to the deionized water that adds 500ml in Glass Containers, then Glass Containers is placed in supersonic cleaning machine, under the condition of power 800W, operating frequency 25KHz, after ultrasonic cleaning 20min, obtains the first pre-treatment sheet glass;
(C) the first pre-treatment sheet glass is put into another Glass Containers, adding 500ml mass percent concentration is 95% dehydrated alcohol, then Glass Containers is placed in supersonic cleaning machine, under the condition of power 800W, operating frequency 25KHz, after ultrasonic cleaning 20min, obtains the second pre-treatment sheet glass;
(D) the second pre-treatment sheet glass is taken out after dry 20min in 120 DEG C of environment of temperature, both obtained cleaning glass sheet.
Step 2: the preparation of polymers soln
(A) weigh 1g polyphenylene oxide powder with precision balance, join in Glass Containers;
(B) measure the dithiocarbonic anhydride solvent of 500ml with graduated cylinder, be then poured in Glass Containers, use glass stick to stir evenly, polyphenylene oxide powder is dissolved completely, both the dithiocarbonic anhydride solution of the concentration polyphenylene oxide that is 2g/L.
Step 3: the shaping (shown in Figure 1) of cellular microporous membrane
(A) cleaning glass sheet is placed in horizontal table top, then drips the polymers soln of 4mL thereon;
(B) the micro-drop of ultrasonic humidifier ultrasonic atomizatio of use oscillation frequency 1.7MHz, use internal diameter is that micro-drop air-flow is guided to substrate top by the rubber tubing of 5cm, flow is 20mL/s, and sprays by jet hole, and jet hole is placed in to 5cm place, top of substrate center vertically downward;
(C) jet hole injecting time above solution is 30s, removes afterwards jet hole, until solvent and micro-drop volatilize completely, and the cellular microporous membrane of single-stage that can be shaped (its pattern is as shown in Figure 4).Can see at Fig. 4 A, the aperture of regularly arranged microvoid structure is 3.68 μ m.
Claims (5)
1. the method that multistage cellular microporous polymer film self-assembly is shaped, is characterized in that: the method concrete steps are as follows:
Step 1: the pre-treatment of substrate
(A) the square or circular substrate of clip, area 4cm
2~200cm
2;
(B) use scrubbing powder cleaning base plate, rinse well with deionized water again, put into Glass Containers, to the deionized water that adds 200ml~1000ml in Glass Containers, then Glass Containers is placed in supersonic cleaning machine, under the condition of power 700W~1000W, operating frequency 25KHz~40KHz, after ultrasonic cleaning 10min~20min, obtains the first pretreated substrate;
(C) the first pretreated substrate is put into another Glass Containers, add the dehydrated alcohol that 200ml~1000ml mass percent concentration is 95%, then Glass Containers is placed in supersonic cleaning machine, under the condition of power 700W~1000W, operating frequency 25KHz~40KHz, after ultrasonic cleaning 10min~20min, obtains the second pretreated substrate;
(D) the second pretreated substrate is taken out after dry 10~30min in 80 DEG C~120 DEG C environment of temperature, both obtained clean substrate;
Step 2: the preparation of polymers soln
(A) weigh 0.2g~1g polymer powder with precision balance, join in Glass Containers;
(B) measure the water insoluble volatile solvent of 100ml~500ml with graduated cylinder, be then poured in Glass Containers, use glass stick to stir evenly, polymer powder is dissolved completely, both polymers soln; Join polymer solution concentration should be at 2g/L within the scope of 8g/L;
Step 3: the shaping of cellular microporous membrane
(A) clean substrate is placed in horizontal table top, then the polymers soln of 0.5mL~5mL is added drop-wise on clean substrate; The corresponding relation of amount of solution and clean substrate size should meet: after solution is sprawled naturally, cover clean substrate completely, and can not overflow at substrate edges;
(B) the micro-drop of ultrasonic humidifier ultrasonic atomizatio of use oscillation frequency 1.5MHz~3MHz, use internal diameter is that micro-drop air-flow is guided to top, substrate center by the rubber tubing of 2cm~5cm, flow is 15mL/s~30mL/s, and spray by jet hole, jet hole is placed in to 3cm~8cm place, top of substrate center vertically downward;
(C) jet hole injecting time above solution is 15s~30s, removes afterwards jet hole, until solvent and micro-drop volatilize completely, and the cellular microporous membrane of the single-stage that is shaped; The operation of (B) in repeating step three in the time removing 40s~100s after jet hole, jet hole injecting time above solution is similarly 15s~30s, remove afterwards jet hole, until solvent and micro-drop volatilize completely, the cellular microporous membrane of the secondary that is shaped.
2. the method that a kind of multistage cellular microporous polymer film self-assembly according to claim 1 is shaped, is characterized in that: the material of the substrate of selecting in step 1 (A) is the one in glass, silicon chip, polyvinyl chloride.
3. the method that a kind of multistage cellular microporous polymer film self-assembly according to claim 1 is shaped, is characterized in that: the polymkeric substance of the polymer powder of selecting in step 2 (A) is the one in polyphenylene oxide, polyethylene, polystyrene.
4. the method that a kind of multistage cellular microporous polymer film self-assembly according to claim 1 is shaped, is characterized in that: the water insoluble volatile solvent of selecting in step 2 (B) is the one in dithiocarbonic anhydride, chloroform, tetrahydrofuran (THF), trichloromethane, benzene.
5. the method that a kind of multistage cellular microporous polymer film self-assembly according to claim 1 is shaped, it is characterized in that: the cellular microporous membrane aperture size of single-stage that is shaped in step 3 (C) is 1 μ m~10 μ m, in the cellular microporous membrane of secondary, one-level macropore diameter is of a size of 1 μ m~10 μ m, and secondary small aperture is of a size of 0.2 μ m~0.9 μ m.
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Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
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CN104941460A (en) * | 2015-06-03 | 2015-09-30 | 青岛大学 | High-throughput polyphenyl ether micro-filtration membrane and preparation method thereof |
CN105385993A (en) * | 2015-11-06 | 2016-03-09 | 长春工业大学 | Self-assembly orderly patterning growing preparing method of rubrene films |
CN105482139A (en) * | 2016-01-18 | 2016-04-13 | 浙江工业大学 | Preparation method of porous polystyrene thin-film material with uniform pore diameters |
CN107188114A (en) * | 2017-05-18 | 2017-09-22 | 南昌大学 | A kind of surface micro-structure preparation method based on active refrigeration droplets agglomerate |
CN107602823A (en) * | 2017-08-07 | 2018-01-19 | 吉林大学 | A kind of bionical cellular macropore ordered structure is to acceptor semiconducting polymer film, preparation method and applications |
CN108473930A (en) * | 2015-12-17 | 2018-08-31 | 欧莱雅 | Tissue used for reconstruction include the hole with different-diameter film |
CN108926759A (en) * | 2017-05-22 | 2018-12-04 | 邻得膜科技(北京)有限公司 | A kind of atomizing piece nuclear pore membrane and preparation method thereof |
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Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6387453B1 (en) * | 2000-03-02 | 2002-05-14 | Sandia Corporation | Method for making surfactant-templated thin films |
US20100055307A1 (en) * | 2005-04-20 | 2010-03-04 | International Business Machines Corporation | Nanoporous Media with Lamellar Structures |
CN101816926A (en) * | 2010-03-23 | 2010-09-01 | 清华大学 | Molecular imprinting-based nano-structure film, preparation method and application thereof |
CN103308960A (en) * | 2012-03-14 | 2013-09-18 | 鸿富锦精密工业(深圳)有限公司 | Optical film and manufacturing method thereof |
-
2014
- 2014-09-11 CN CN201410461188.XA patent/CN104211981A/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6387453B1 (en) * | 2000-03-02 | 2002-05-14 | Sandia Corporation | Method for making surfactant-templated thin films |
US20100055307A1 (en) * | 2005-04-20 | 2010-03-04 | International Business Machines Corporation | Nanoporous Media with Lamellar Structures |
CN101816926A (en) * | 2010-03-23 | 2010-09-01 | 清华大学 | Molecular imprinting-based nano-structure film, preparation method and application thereof |
CN103308960A (en) * | 2012-03-14 | 2013-09-18 | 鸿富锦精密工业(深圳)有限公司 | Optical film and manufacturing method thereof |
Non-Patent Citations (1)
Title |
---|
PENGFEI ZHANG ET AL.: "Preparation of Multi-Level Honeycomb-Structured porous Films by Control of Spraying Atomized Water Droplets", 《APPLIED POLYMER》 * |
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CN104941460A (en) * | 2015-06-03 | 2015-09-30 | 青岛大学 | High-throughput polyphenyl ether micro-filtration membrane and preparation method thereof |
CN105385993A (en) * | 2015-11-06 | 2016-03-09 | 长春工业大学 | Self-assembly orderly patterning growing preparing method of rubrene films |
CN108473930A (en) * | 2015-12-17 | 2018-08-31 | 欧莱雅 | Tissue used for reconstruction include the hole with different-diameter film |
CN108473930B (en) * | 2015-12-17 | 2022-04-01 | 欧莱雅 | Membrane for reconstructed tissue comprising holes with different diameters |
CN105482139A (en) * | 2016-01-18 | 2016-04-13 | 浙江工业大学 | Preparation method of porous polystyrene thin-film material with uniform pore diameters |
CN107188114A (en) * | 2017-05-18 | 2017-09-22 | 南昌大学 | A kind of surface micro-structure preparation method based on active refrigeration droplets agglomerate |
CN108926759A (en) * | 2017-05-22 | 2018-12-04 | 邻得膜科技(北京)有限公司 | A kind of atomizing piece nuclear pore membrane and preparation method thereof |
CN107602823A (en) * | 2017-08-07 | 2018-01-19 | 吉林大学 | A kind of bionical cellular macropore ordered structure is to acceptor semiconducting polymer film, preparation method and applications |
CN107602823B (en) * | 2017-08-07 | 2019-06-14 | 吉林大学 | A kind of bionical honeycomb macropore ordered structure is to receptor semiconducting polymer film, preparation method and applications |
CN113694749A (en) * | 2020-05-21 | 2021-11-26 | 杭州科百特科技有限公司 | Polymer filter membrane with mixed sizes and mixed apertures as well as preparation method and application thereof |
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