CN110255488A - A kind of alternative device and its application captured or repel underwater bubble - Google Patents
A kind of alternative device and its application captured or repel underwater bubble Download PDFInfo
- Publication number
- CN110255488A CN110255488A CN201910588632.7A CN201910588632A CN110255488A CN 110255488 A CN110255488 A CN 110255488A CN 201910588632 A CN201910588632 A CN 201910588632A CN 110255488 A CN110255488 A CN 110255488A
- Authority
- CN
- China
- Prior art keywords
- bubble
- underwater bubble
- paper substrate
- underwater
- tinfoil paper
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B81—MICROSTRUCTURAL TECHNOLOGY
- B81B—MICROSTRUCTURAL DEVICES OR SYSTEMS, e.g. MICROMECHANICAL DEVICES
- B81B1/00—Devices without movable or flexible elements, e.g. microcapillary devices
- B81B1/002—Holes characterised by their shape, in either longitudinal or sectional plane
- B81B1/004—Through-holes, i.e. extending from one face to the other face of the wafer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B81—MICROSTRUCTURAL TECHNOLOGY
- B81B—MICROSTRUCTURAL DEVICES OR SYSTEMS, e.g. MICROMECHANICAL DEVICES
- B81B2201/00—Specific applications of microelectromechanical systems
- B81B2201/10—Microfilters, e.g. for gas or fluids
Landscapes
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Paper (AREA)
Abstract
The invention discloses a kind of alternative device and its applications captured or repel underwater bubble, it is related to technical field of micro and nano fabrication, described device is specially the tinfoil paper substrate that more taper hole arrays are distributed in surface, the bellmouth is specifically made of the lesser lower surface micropore of the biggish upper surface micropore in aperture and aperture, the upper surface micro-pore diameter is 139~142 μm, the lower surface micro-pore diameter is 60 μm~62 μm, and the upper surface micropore and lower surface micropore edge are attached with nano particle；When carrying out capturing underwater bubble, the tinfoil paper substrate wrap up with tinfoil package tinfoil and heat modification, acquisition can capture the device of underwater bubble in a dark environment；When carrying out repelling underwater bubble, the tinfoil paper substrate is irradiated with ultraviolet light LED light and is modified, obtains the device that can repel underwater bubble；The present invention realizes free switching capture or repels the offer of underwater bubble substrate, avoids the modified drawback of traditional chemical, easy to operate, at low cost.
Description
Technical field
The present invention relates to technical field of micro and nano fabrication, more particularly to a kind of dress that can underwater bubble captured or be repelled
Set the method for capturing or repelling with underwater bubble.
Background technique
In recent years, the research about the manual control of underwater bubble has attracted the great interest of people.But most of report
It is all the method construct Janus system using chemical etching or chemical modification.
But the method for prior art building has the following deficiencies:
1. these methods generally require complicated experimental procedure and higher cost, and most of chemical reagent can also be dirty
Environment is contaminated, is harmful to the human body.
2.Janus system can be used for capturing bubble, but not be suitable for repelling bubble, because bubble can be adhered to Janus
The close gas face of system.But water-wetted surface is more suitable due to dredging gas characteristic and repels bubble.There is presently no people in the same sample
The reversible transformation of Janus zinc net and two-sided hydrophilic zinc net is realized on product.
Therefore, how to improve the prior art, obtain can freely the convert, property of can be chosen capture or repel underwater gas
The device and method of bubble is technical problem urgently to be solved.
Summary of the invention
The present invention proposes a kind of alternative device and its application captured or repel underwater bubble, for solving existing skill
The technical issues of cannot achieve the reversible transformation of Janus zinc net and two-sided hydrophilic zinc net in art.
The present invention provides a kind of alternative device captured or repel underwater bubble, and described device is specially surface distribution
There is the tinfoil paper substrate of more taper hole arrays, more taper hole arrays are specifically made of multiple bellmouths, and the bellmouth is specific
It is made of the lesser lower surface micropore of the biggish upper surface micropore in aperture and aperture, the upper surface micropore is arranged in tinfoil paper substrate
Top and 139~142 μm a diameter of, the lower surface micropore be arranged in the bottom of tinfoil paper substrate and 60 μm a diameter of~
62 μm, the upper surface micropore and lower surface micropore edge are attached with nano particle；
When carrying out capturing underwater bubble, the tinfoil paper substrate is wrapped up into tinfoil with tinfoil and carries out package and in dark
Heat modification in environment obtains the device that can capture underwater bubble；
When carrying out repelling underwater bubble, the tinfoil paper substrate is irradiated with ultraviolet light LED light and is modified, acquisition can arrange
The device of hydrophobic lower bubble.
Further, the tinfoil paper substrate is processed into using following methods:
Use laser power be 50mw nanosecond laser with the scanning speed of 1mm/s and 200 μm of punching intervals to tinfoil paper
Substrate carries out uniform direct write drilling, and acquisition upper surface micro-pore diameter is 139~142 μm, lower surface micro-pore diameter is 60 μm~62 μ
The tinfoil paper substrate of more taper hole arrays of m and micropore edge attachment nano particle, and the nanosecond laser central wavelength is
355nm, pulsewidth 10ns, repetition rate 10Hz.
Further, heating temperature is 250 DEG C when heat modification, heating time 30min.
Further, when the irradiation of ultraviolet light LED light is modified, the power of ultraviolet light LED light is 70W, and wavelength is 365nm and irradiation
Shi Changwei 10h.
The present invention also provides a kind of method for capturing underwater bubble, this method includes capturing as claimed in claim 4
The device of underwater bubble is placed under water, its upper surface is super-hydrophobic/underwater close gas at this time, lower surface be it is hydrophilic/dredge gas under water,
Wetting gradient is formed when in water between top and bottom, underwater bubble passes through bellmouth to upper surface by lower surface, can be used for catching
Obtain the bubble of its upper surface.
The present invention also provides a kind of method for repelling underwater bubble, this method includes repelling as claimed in claim 4
The device of underwater bubble is placed under water, at this time its upper surface be it is hydrophilic/dredge gas under water, lower surface be also it is hydrophilic/dredge gas under water,
To be two-sided hydrophilic when in water, underwater bubble can not be passed through bellmouth to upper surface by lower surface, can be used for repelling below
Bubble.
Compared with prior art, the invention has the following advantages that
The present invention provides the Janus zinc nets that one kind can carry out free switching, and tinfoil package tinfoil paper substrate can be used simultaneously
After heating to it, the device that can capture underwater bubble is obtained；After irradiating tinfoil paper substrate using ultraviolet light LED light, it can get
Repel the device of underwater bubble, and then realize free switching function tinfoil paper substrate, realize alternative capture or repels gas
The purpose of bubble；Method of modifying provided by the invention, it is easy to operate, it realizes without chemical reagent, quick, efficient, free of contamination
Construct the purpose of Janus system.
Detailed description of the invention
Fig. 1 is the modified schematic diagram of tinfoil paper:
Fig. 2 is upper and lower surfaces microcellular structure enlarged drawing in the tinfoil paper substrate completed the process；
Duration and its surface water contact angle and capture bubble contact angle are heated when Fig. 3 is the tinfoil paper substrate heat modification completed the process
Relational graph；
Fig. 4 is irradiation duration and its surface water contact angle and bubble contact when the tinfoil paper substrate ultraviolet lamp completed the process is modified
Angular dependence figure；
Fig. 5 is the tinfoil paper substrate completed the process, the underwater gas of tinfoil paper substrate of the tinfoil paper substrate and ultraviolet modification of heat modification
Steep test chart.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
In the present embodiment, it is processed using tinfoil paper as substrate, wherein processing method specifically:
Use laser power be 50mw nanosecond laser with the scanning speed of 1mm/s and 200 μm of punching intervals to tinfoil paper
Substrate carries out uniform direct write drilling, and acquisition upper surface micro-pore diameter is 139~142 μm, lower surface micro-pore diameter is 60 μm~62 μ
The tinfoil paper substrate of more taper hole arrays of m and micropore edge attachment nano particle, and the nanosecond laser central wavelength is
355nm, pulsewidth 10ns, repetition rate 10Hz；
Upper and lower surfaces microcellular structure such as Fig. 2 of the tinfoil paper substrate of acquisition；
The heat modification for being 250 DEG C to the cladding laggard trip temperature of tinfoil on the outside of the tinfoil paper substrate of acquisition is handled, for difference
It heats the modified tinfoil paper substrate of difference that duration obtains and carries out water droplet contact angle and bubble Contact-angle measurement, the result of acquisition such as Fig. 3；
Heat tracing duration increases as shown in Figure 3, and the water contact angle of upper and lower surface constantly increases and tends to be steady in 30min
Fixed, the capture bubble contact angle of upper and lower surface tends towards stability in 30min；
Can be obtained by Fig. 3, after stablizing, upper surface be it is super-hydrophobic, contact angle is 154 ° -160 °, and corresponding underwater bubble connects
Feeler is 29 °~32 °, lower surface be it is hydrophilic, contact angle is 79 °~87 °, corresponding underwater bubble contact angle is 105 °~
115°；
Analysis can obtain, and substrate upper surface is modified as super-hydrophobic/underwater close gas, following table due to bigger roughness after heating
Surface roughness is smaller, remain as it is hydrophilic/under water dredge gas, to form wetting gradient between top and bottom, underwater bubble can at this time
To be penetrated into upper surface by taper hole from lower surface, can be used for capturing bubble；
Meanwhile a length of 30min is best heating duration when the heating of choosing；
It carries out ultraviolet light LED light to the tinfoil paper substrate of acquisition to be irradiated, the difference obtained for different irradiation durations changes
Property tinfoil paper substrate carry out water droplet contact angle and bubble Contact-angle measurement, the result of acquisition such as Fig. 4；
Increase as shown in Figure 4 with irradiation duration, the water contact angle of upper and lower surface is constantly reduced and tended towards stability, upper following table
The bubble contact in face is constantly increasing and tend towards stability；
Available from figure 4, after stablizing, upper surface contact angle is 27 ° -40 °, and corresponding underwater bubble contact angle is 140 ° -155 °,
Its lower surface be also it is hydrophilic, contact angle is 51 ° -71 °, and corresponding underwater bubble contact angle is 109 °~129；
Analysis can obtain, upper surface be modified as after ultraviolet light irradiates it is hydrophilic/dredge gas under water, lower surface is also hydrophilic/underwater
Gas is dredged, two-sided hydrophilic zinc net has been obtained, underwater bubble can not pass through two-sided hydrophilic net, can be used for repelling bubble；
Meanwhile selecting a length of 10h when irradiation is best irradiation duration；
After laser boring, after heating and after ultraviolet light irradiation, underwater bubble test comparison chart such as Fig. 5；
By Fig. 5, can obtain method provided by the invention can effectively provide can free switching two-sided tinfoil paper substrate, can
Selectivity carry out capture or repel bubble.
Different from the fluorinated modified or chemical etching method of report, the present invention combines heating and UV using nanosecond laser drilling
The method of irradiation changes the wetability of sample, and the operation is more convenient, non-environmental-pollution.
It using the good photocatalysis characteristic of zinc foil itself, can be irradiated by heating or UV, free switching Janus net and double
The hydrophilic net in face selectively captures or repels underwater bubble to realize, this is the function of never realizing in the past.
Claims (6)
1. a kind of alternative capture or the device for repelling underwater bubble, which is characterized in that described device is specially surface distribution
There is the tinfoil paper substrate of more taper hole arrays, more taper hole arrays are specifically made of multiple bellmouths, and the bellmouth is specific
It is made of the lesser lower surface micropore of the biggish upper surface micropore in aperture and aperture, the upper surface micropore is arranged in tinfoil paper substrate
Top and 139~142 μm a diameter of, the lower surface micropore be arranged in the bottom of tinfoil paper substrate and 60 μm a diameter of~
62 μm, the upper surface micropore and lower surface micropore edge are attached with nano particle；
When carrying out capturing underwater bubble, the tinfoil paper substrate is wrapped up into tinfoil with tinfoil and carries out package and in dark surrounds
Middle heat modification obtains the device that can capture underwater bubble；
When carrying out repelling underwater bubble, the tinfoil paper substrate is irradiated with ultraviolet light LED light and is modified, acquisition can repel water
The device of lower bubble.
2. a kind of alternative capture according to claim 1 or the device for repelling underwater bubble, which is characterized in that described
Tinfoil paper substrate is processed into using following methods:
Use laser power be 50mw nanosecond laser with the scanning speed of 1mm/s and 200 μm of punching intervals to tinfoil paper substrate
Carry out uniform direct write drilling, obtain upper surface micro-pore diameter be 139~142 μm, lower surface micro-pore diameter be 60 μm~62 μm and
Micropore edge adheres to the tinfoil paper substrate of more taper hole arrays of nano particle, and the nanosecond laser central wavelength is 355nm,
Pulsewidth is 10ns, repetition rate 10Hz.
3. a kind of alternative capture according to claim 2 or the device for repelling underwater bubble, which is characterized in that heating
Heating temperature is 250 DEG C when modified, heating time 30min.
4. a kind of alternative capture according to claim 2 or 3 or the device for repelling underwater bubble, which is characterized in that
When the irradiation of ultraviolet light LED light is modified, the power of ultraviolet light LED light is 70W, wavelength a length of 10h when being 365nm and irradiating.
5. a kind of method for capturing underwater bubble, which is characterized in that this method includes capturing as claimed in claim 4 under water
The device of bubble is placed under water, its upper surface is super-hydrophobic/underwater close gas at this time, lower surface be it is hydrophilic/dredge gas under water, be in
Wetting gradient is formed when in water between top and bottom, underwater bubble passes through bellmouth to upper surface by lower surface, can be used for capturing it
The bubble of upper surface.
6. a kind of method for repelling underwater bubble, which is characterized in that this method includes repelling as claimed in claim 4 under water
The device of bubble is placed under water, at this time its upper surface be it is hydrophilic/dredge gas under water, lower surface be also it is hydrophilic/dredge gas under water, be in
To be two-sided hydrophilic when in water, underwater bubble can not be passed through bellmouth to upper surface by lower surface, can be used for repelling gas below
Bubble.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910588632.7A CN110255488A (en) | 2019-07-02 | 2019-07-02 | A kind of alternative device and its application captured or repel underwater bubble |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910588632.7A CN110255488A (en) | 2019-07-02 | 2019-07-02 | A kind of alternative device and its application captured or repel underwater bubble |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110255488A true CN110255488A (en) | 2019-09-20 |
Family
ID=67923792
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910588632.7A Pending CN110255488A (en) | 2019-07-02 | 2019-07-02 | A kind of alternative device and its application captured or repel underwater bubble |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110255488A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112625298A (en) * | 2020-12-04 | 2021-04-09 | 北京航空航天大学 | Preparation method and application of flexible Janus porous surface with dual characteristics |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5538608A (en) * | 1993-09-25 | 1996-07-23 | Tanaka Kikinzoku Kogyo K.K. | Bubble collection type gas electrode |
| CN104761017A (en) * | 2015-03-13 | 2015-07-08 | 北京天恒盛通科技发展有限公司 | Preparation method and application of gas/liquid separation apparatus having underwater super-aerophilic property |
| CN106583930A (en) * | 2016-12-07 | 2017-04-26 | 合肥工业大学 | Method for achieving reversible wettability of titanium sheet based on femtosecond laser direct writing |
| CN108356409A (en) * | 2018-01-26 | 2018-08-03 | 合肥工业大学 | A kind of underwater bubble tuning titanium sheet and its processing method and application method |
| CN109701298A (en) * | 2018-12-28 | 2019-05-03 | 莆田学院 | Super affine super close-super thin gas copper foil of wetability gradual change and preparation method thereof and Positioning collection device |
-
2019
- 2019-07-02 CN CN201910588632.7A patent/CN110255488A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5538608A (en) * | 1993-09-25 | 1996-07-23 | Tanaka Kikinzoku Kogyo K.K. | Bubble collection type gas electrode |
| CN104761017A (en) * | 2015-03-13 | 2015-07-08 | 北京天恒盛通科技发展有限公司 | Preparation method and application of gas/liquid separation apparatus having underwater super-aerophilic property |
| CN106583930A (en) * | 2016-12-07 | 2017-04-26 | 合肥工业大学 | Method for achieving reversible wettability of titanium sheet based on femtosecond laser direct writing |
| CN108356409A (en) * | 2018-01-26 | 2018-08-03 | 合肥工业大学 | A kind of underwater bubble tuning titanium sheet and its processing method and application method |
| CN109701298A (en) * | 2018-12-28 | 2019-05-03 | 莆田学院 | Super affine super close-super thin gas copper foil of wetability gradual change and preparation method thereof and Positioning collection device |
Non-Patent Citations (1)
| Title |
|---|
| SHUGUANG YAN等: ""Unidirectional self-transport of air bubble via a Janus membrane in aqueous environment"", 《APPLIED PHYSICS LETTERS》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112625298A (en) * | 2020-12-04 | 2021-04-09 | 北京航空航天大学 | Preparation method and application of flexible Janus porous surface with dual characteristics |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Liu et al. | Ag–ZnO submicrometer rod arrays for high-efficiency photocatalytic degradation of Congo red and disinfection | |
| Zhu et al. | Recent advances in photocatalysis based on bioinspired superwettabilities | |
| Seo et al. | Guided transport of water droplets on superhydrophobic–hydrophilic patterned Si nanowires | |
| Khew et al. | Nanosecond laser ablation for enhanced adhesion of CuO nanowires on copper substrate and its application for oil-water separation | |
| CN104439708B (en) | A kind of ultra-hydrophobic high sticking metal surface and preparation method thereof | |
| CN107158754B (en) | A kind of preparation method of the copper mesh with oil-water separating function | |
| CN105688447B (en) | A kind of filter screen and its femtosecond laser preparation method of achievable high efficiency water-oil separating | |
| CN103038857B (en) | From the system and method for surface extraction sample | |
| Liu et al. | Rapid 3D printing of bioinspired hybrid structures for high-efficiency fog collection and water transportation | |
| Yong et al. | How to obtain six different superwettabilities on a same microstructured pattern: relationship between various superwettabilities in different solid/liquid/gas systems | |
| Jiao et al. | In situ tunable bubble wettability with fast response induced by solution surface tension | |
| Zhu et al. | Unidirectional transport and effective collection of underwater CO2 bubbles utilizing ultrafast-laser-ablated Janus foam | |
| CN110255488A (en) | A kind of alternative device and its application captured or repel underwater bubble | |
| CN102795596A (en) | Ultrafast laser pulse method for forming nanopores with diameters of 2 nanometers | |
| CN204182917U (en) | A kind of pulse laser liquid phase ablation that adopts prepares nano-structured device | |
| CN106198660A (en) | A kind of method depositing nanometer silver in micro-fluidic duct | |
| CN109701298A (en) | Super affine super close-super thin gas copper foil of wetability gradual change and preparation method thereof and Positioning collection device | |
| CN106362439A (en) | Manufacturing method of oil-water separation metal mesh having super-hydrophilicity/underwater super-lipophobicity | |
| Jeong et al. | Drilling of sub-100 μm hourglass-shaped holes in diamond with femtosecond laser pulses | |
| Samanta et al. | Enabling superhydrophobicity-guided superwicking in metal alloys via a nanosecond laser-based surface treatment method | |
| Huo et al. | Underwater Superaerophobicity/Superaerophilicity and Unidirectional Bubble Passage Based on the Femtosecond Laser‐Structured Stainless Steel Mesh | |
| CN108159735A (en) | A kind of copper mesh with ultra-amphosphobic and its preparation method and application | |
| Zheng et al. | Laser-induced wettability gradient surface of the aluminum matrix used for directional transportation and collection of underwater bubbles | |
| Jipa et al. | High repetition rate UV versus VIS picosecond laser fabrication of 3D microfluidic channels embedded in photosensitive glass | |
| CN103641155B (en) | A kind of pulse laser induced preparation method of nano structure of zinc oxide |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190920 |