CN107099837A - The super-hydrophobic copper cone regulation and control method of gas and its application in pressure inductor under water - Google Patents
The super-hydrophobic copper cone regulation and control method of gas and its application in pressure inductor under water Download PDFInfo
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- CN107099837A CN107099837A CN201710318535.7A CN201710318535A CN107099837A CN 107099837 A CN107099837 A CN 107099837A CN 201710318535 A CN201710318535 A CN 201710318535A CN 107099837 A CN107099837 A CN 107099837A
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- copper
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- bubble
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 171
- 229910052802 copper Inorganic materials 0.000 title claims abstract description 146
- 239000010949 copper Substances 0.000 title claims abstract description 146
- 230000003075 superhydrophobic effect Effects 0.000 title claims abstract description 125
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 67
- 238000000034 method Methods 0.000 title claims abstract description 36
- 238000002360 preparation method Methods 0.000 claims abstract description 24
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000002105 nanoparticle Substances 0.000 claims abstract description 16
- 229910052681 coesite Inorganic materials 0.000 claims abstract description 3
- 229910052906 cristobalite Inorganic materials 0.000 claims abstract description 3
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 3
- 229910052682 stishovite Inorganic materials 0.000 claims abstract description 3
- 229910052905 tridymite Inorganic materials 0.000 claims abstract description 3
- 239000007789 gas Substances 0.000 claims description 39
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 32
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 32
- 239000008367 deionised water Substances 0.000 claims description 24
- 229910021641 deionized water Inorganic materials 0.000 claims description 24
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 16
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 16
- 229910052757 nitrogen Inorganic materials 0.000 claims description 16
- 239000011521 glass Substances 0.000 claims description 15
- 239000010453 quartz Substances 0.000 claims description 15
- 239000000243 solution Substances 0.000 claims description 13
- 244000137852 Petrea volubilis Species 0.000 claims description 8
- 150000001879 copper Chemical class 0.000 claims description 8
- 238000000354 decomposition reaction Methods 0.000 claims description 8
- 230000002262 irrigation Effects 0.000 claims description 8
- 238000003973 irrigation Methods 0.000 claims description 8
- 238000002347 injection Methods 0.000 claims description 6
- 239000007924 injection Substances 0.000 claims description 6
- 239000000725 suspension Substances 0.000 claims description 6
- 230000009467 reduction Effects 0.000 claims description 5
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims description 2
- 239000004926 polymethyl methacrylate Substances 0.000 claims description 2
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims 3
- 238000004070 electrodeposition Methods 0.000 claims 1
- 238000005498 polishing Methods 0.000 claims 1
- 238000006056 electrooxidation reaction Methods 0.000 abstract description 2
- 239000011664 nicotinic acid Substances 0.000 abstract 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 7
- 239000011734 sodium Substances 0.000 description 7
- 229910052708 sodium Inorganic materials 0.000 description 7
- 230000001276 controlling effect Effects 0.000 description 6
- 239000007788 liquid Substances 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005188 flotation Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- HEDRZPFGACZZDS-UHFFFAOYSA-N CHCl3 Substances ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 210000004712 air sac Anatomy 0.000 description 1
- 239000008346 aqueous phase Substances 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 235000013361 beverage Nutrition 0.000 description 1
- 235000019993 champagne Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 230000002706 hydrostatic effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 235000014101 wine Nutrition 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25F—PROCESSES FOR THE ELECTROLYTIC REMOVAL OF MATERIALS FROM OBJECTS; APPARATUS THEREFOR
- C25F3/00—Electrolytic etching or polishing
- C25F3/02—Etching
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L11/00—Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by means not provided for in group G01L7/00 or G01L9/00
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
- Electrolytic Production Of Metals (AREA)
- Cell Electrode Carriers And Collectors (AREA)
Abstract
The present invention relates to the method for super-hydrophobic copper cone regulation and control gas under water, including copper wire pretreatment, the preparation of copper cone, the preparation of super-hydrophobic copper cone, super-hydrophobic copper are bored for the regulation and control of gas under water and its applied to steps such as pressure inductors.The preparation method of the present invention is simple, passes through gradient electrochemical corrosion, super-hydrophobic SiO2Nano-particle gradient is modified, you can prepare bionic super-hydrophobic copper cone, and its contact angle to water is up to 160.5 °.The present invention realizes the accuracy controlling to gas and to prepare another direction that novel pressure inductor is provided.
Description
Technical field
The invention belongs to functional material and fluid transport technical field, and in particular to a kind of preparation side of super-hydrophobic copper cone
Method, available for the accuracy controlling of gas under water, solves the problem that bubble volume during generation and rising is difficult regulation and control,
Also provide a kind of new pressure inductor simultaneously.
Background technology
The presence of underwater bubble has very extensive purposes, such as food engineering, valuable mineral flotation and Underwater Ships drag reduction.
But, in almost all of application, the size Control of bubble is critically important.In terms of food engineering, the size of bubble will
The mouthfeel of beverage can be influenceed.The mouthfeel of champagne is better than being less than the latter containing the size that carbonated wine is primarily due to bubble in the former.
In terms of valuable mineral flotation, for the particle below micron order, extra small bubble can directly increase flotation recovery rate.But
Be, in terms of drag reduction, when bubble size than it is larger when mantle friction drag reduction can continue long distance.That is air
Bubble is more effective in terms of ship drag reduction.
But, controlling the size of bubble but has very big challenge.During bubble is produced in a liquid, the chi of bubble
It is very little will be by many influence factors.Such as：The physical property of gas and flow rate of liquid, the structure snd size of micropore and liquid
(including surface tension, viscosity and rheological behavior).In the uphill process of bubble in a liquid, it can rise and most due to buoyancy
Eventually in water surface explosion.In this process, the size of bubble will be influenceed by hydrostatic pressing and temperature.
Therefore, the directly size of control bubble is with very big difficult.
The content of the invention
It is an object of the invention to for problems of the prior art, there is provided a kind of preparation side of super-hydrophobic copper cone
Method, and use it for the accuracy controlling of gas in aqueous phase.Regulation and control drop can be realized according to the cone structure of writing brush and continued controllable
Ground is transferred on paper, and cone structure is applied to the regulation and control to gas under water by the present invention.The present invention uses gradient electrochemical corrosion
Method, prepare copper cone, and use super-hydrophobic SiO2Nano-particle solution is chemically modified to it, obtains super-hydrophobic copper cone.
Its contact angle to water can reach 160.5 °.The accuracy controlling of gas under water can be achieved in super-hydrophobic copper cone.In addition, super-hydrophobic copper
The regulation and control to bubble are bored, can also be applied to prepare novel pressure inductor.
The described super-hydrophobic copper cone regulation and control method of gas and its application in pressure inductor under water specifically include with
Lower step：
(1) copper wire is pre-processed：A diameter of 1mm commercially available copper wire is polished with P1500 sand paper, and uses hydroxide successively
Sodium, hydrochloric acid, ethanol, acetone, deionized water ultrasonic irrigation 15min, are dried up stand-by with nitrogen afterwards.
(2) preparation of copper cone：Copper wire in (1) is immersed in the small glass for filling that 50mL concentration is 0.1mol/L copper-baths
In groove, as anode, with copper sheet as negative electrode, decomposition voltage is 10V, and small glass guide channel is fixed on lifting platform into (lifting
Speed is 1.0mm/s), after about 300 times are circulated throughout, copper cone is formed.Wherein, lifting platform one rise and one drop is 1 circulation.
(3) preparation of super-hydrophobic copper cone：The copper cone prepared in (2) is clear successively with 0.1mol/L hydrochloric acid and deionized water
Wash, dried up with nitrogen.Then super-hydrophobic SiO is used2Nano-particle solution is modified copper coning row gradient, so as to just successfully prepare
Super-hydrophobic copper cone.Wherein gradient is modified to is inserted perpendicularly into super-hydrophobic SiO by cone2It is then vertical to remove in nano-particle solution.
Super-hydrophobic SiO in the present invention2Nano-particle solution is by 0.2gSiO2It is 5g/L's that nano-particle, which is dissolved in PMMA concentration,
CHCl3In obtained solution.
(4) super-hydrophobic copper cone regulates and controls gas under water：The bottom for the super-hydrophobic copper cone that in (3) prepared by success is fixed on one
On 2*2*2cm brandreth, and it is placed in 5*5*5cm quartz cell, deionized water is filled in quartz cell.Use syringe pump
With 5mL/h speed toward the surface injection bubble of cone, the super-hydrophobic copper wimble device that suspended on bubble is made.
(5) above-mentioned super-hydrophobic copper wimble device is applied to pressure inductor：The super-hydrophobic copper wimble device of bubble will be suspended on
(4), it is placed in vacuum desiccator, this device internal pressure is reduced with oil pump.
The advantage of the invention is that：
1st, the super-hydrophobic copper cone regulation and control method of gas and its application in pressure inductor under water proposed by the present invention, system
Preparation Method is simple, and raw material is easy to get, and cost is low.
2nd, the super-hydrophobic copper cone regulation and control method of gas and its application in pressure inductor under water proposed by the present invention, can
For the accuracy controlling of gas under water, there is extensive use in fields such as production, environmental protection.
3rd, the super-hydrophobic copper cone regulation and control method of gas and its application in pressure inductor under water proposed by the present invention, its
Super-hydrophobic copper cone is 160.5 ° to the contact angle of water, and the contact angle to gas is 0 °, has reached the requirement of super-hydrophobic super close gas, is real
The preparation of existing super hydrophobic material provides alternatively possible.
4th, the super-hydrophobic copper cone regulation and control method of gas and its application in pressure inductor under water proposed by the present invention, can
Realize that super-hydrophobic copper cone diverse location hangs the bubble of different volumes, and the bubble volume of the tip suspension of cone is maximum.
5th, the super-hydrophobic copper cone regulation and control method of gas and its application in pressure inductor under water proposed by the present invention, should
The pulling force that laplace pressure produced by the pyramidal structure that method is bored using super-hydrophobic copper leaves for resistance bubble, bubble is in itself
Buoyancy be drag force, when both reach the balance of power, bubble be stably suspended on copper cone on.So, one is provided for
Stable gas-liquid interface, is worth advocating.
6th, the super-hydrophobic copper cone regulation and control method of gas and its application in pressure inductor under water proposed by the present invention, can
Realize with the change of pressure, the change of position of the bubble on super-hydrophobic copper cone.It can also be bored according to bubble in super-hydrophobic copper
The change of upper position, to speculate the change of pressure.Therefore, a kind of new pressure inductor is also just proposed.
Brief description of the drawings
Fig. 1：The preparation method of super-hydrophobic copper cone proposed by the present invention.
Fig. 2：The low power and the stereoscan photograph of partial enlargement of the super-hydrophobic copper cone prepared using the inventive method
(SEM)。
Fig. 3：The super-hydrophobic copper prepared using the inventive method is bored to water and the contact angle of gas.
Fig. 4：The super-hydrophobic copper cone prepared using the inventive method regulates and controls the process photo of gas under water.
Fig. 5：The super-hydrophobic copper cone prepared using the inventive method regulates and controls the influence factor (cone angle, inclination angle) of gas under water.
Fig. 6：It is used for the mechanism schematic diagram for explaining that super-hydrophobic copper cone regulates and controls gas under water in the present invention.
Fig. 7：The diagram of pressure inductor is applied in the present invention.
Embodiment
Below in conjunction with the accompanying drawings and specific embodiment, the present invention is expanded on further.It should be understood that these embodiments are merely to illustrate
The present invention rather than limit the scope of the invention.In addition, it is to be understood that after the content that the present invention is lectured is read, ability
Field technique personnel can make various changes or modification to the present invention, and these equivalent form of values also belong to the application appended claims
Book limited range.
The present invention proposes the super-hydrophobic copper cone regulation and control method of gas and its application in pressure inductor under water, including
Following steps；
(1) copper wire is pre-processed：A diameter of 1mm commercially available copper wire is polished with P1500 sand paper, and uses hydroxide successively
Sodium, hydrochloric acid, ethanol, acetone, deionized water ultrasonic irrigation 15min, are dried up stand-by with nitrogen afterwards.
(2) preparation of copper cone：Copper wire in (1) is immersed in the small glass for filling that 50mL concentration is 0.1mol/L copper-baths
In groove, as anode, with copper sheet as negative electrode, decomposition voltage is 10V, and small glass guide channel is fixed on lifting platform into (lifting
Speed is 1.0mm/s), after about 300 times are circulated throughout, copper cone is formed (as shown in Figure 1).
(3) preparation of super-hydrophobic copper cone：The copper cone prepared in (2) is clear successively with 0.1mol/L hydrochloric acid and deionized water
Wash, dried up with nitrogen.Then super-hydrophobic SiO is used2Nano-particle solution is modified copper coning row gradient, so as to just successfully prepare
Super-hydrophobic copper cone.Its pattern and partial enlarged drawing (as shown in Figure 2)
(4) super-hydrophobic copper cone regulates and controls gas under water：The bottom for the super-hydrophobic copper cone that in (3) prepared by success is fixed on one
On 2*2*2cm brandreth, and it is placed in 5*5*5cm quartz cell, deionized water is filled in quartz cell.Use syringe pump
The surface injection bubble bored with 5mL/h speed toward super-hydrophobic copper, is made the super-hydrophobic copper wimble device that suspended on bubble.
(5) it is applied to pressure inductor：The super-hydrophobic copper wimble device (4) of bubble will be suspended on, is placed in vacuum desiccator,
This device internal pressure is reduced with oil pump.
Using the present invention prepare super-hydrophobic copper cone, its surface by many super-hydrophobic nano particles accumulation, it is gentle to water
The contact angle of body is respectively 160.5 ° and 0 ° (as shown in Figure 3).Use it for regulating and controlling gas under water, it has been found that 1.
Identical bubble is either from the tip of cone or bottom release, and bubble can all reach the same equilbrium position on boring (such as Fig. 4 a institutes
Show).2. different size of bubble has different equilbrium positions (as shown in Figure 4 b) on super-hydrophobic copper cone.3. super-hydrophobic copper cone
Upper diverse location can hang the bubble of different volumes, and the bubble volume maximum of super-hydrophobic copper cone end suspension is (such as Fig. 4 c institutes
Show).The super-hydrophobic copper cone prepared using the inventive method regulates and controls the influence factor (cone angle, inclination angle) of gas under water, it has been found that
With the increase for the cone angle that super-hydrophobic copper is bored, the maximum volume that super-hydrophobic copper cone can hang bubble is increase (such as Fig. 5 a-b
It is shown).As super-hydrophobic copper bores the increase at inclination angle, the maximum volume that super-hydrophobic copper cone can hang bubble is reduced (as schemed
Shown in 5c-d).It is used for the mechanism schematic diagram (as shown in Figure 6) for explaining that super-hydrophobic copper cone regulates and controls gas under water in the present invention.This hair
It is bright to be applied to pressure inductor, that is, pressure is reduced, the volume that super-hydrophobic copper bores upper bubble becomes greatly and toward the top movement bored (such as
Shown in Fig. 7).
Embodiment 1
The method that the super-hydrophobic copper cone prepared using the present invention that the present embodiment is proposed regulates and controls gas under water, including it is following several
Individual step；
(1) copper wire is pre-processed：A diameter of 1mm commercially available copper wire is polished with P1500 sand paper, and uses hydroxide successively
Sodium, hydrochloric acid, ethanol, acetone, deionized water ultrasonic irrigation 15min, are dried up stand-by with nitrogen afterwards.
(2) preparation of copper cone：Copper wire in (1) is immersed in the small glass for filling that 50mL concentration is 0.1mol/L copper-baths
In groove, as anode, with copper sheet as negative electrode, decomposition voltage is 10V, and small glass guide channel is fixed on lifting platform into (lifting
Speed is 1.0mm/s), after about 300 times are circulated throughout, copper cone is formed.
(3) preparation of super-hydrophobic copper cone：The copper cone prepared in (2) is clear successively with 0.1mol/L hydrochloric acid and deionized water
Wash, dried up with nitrogen.Then super-hydrophobic SiO is used2Nano-particle solution is modified copper coning row gradient, so as to just successfully prepare
Super-hydrophobic copper cone.Its pattern and partial enlarged drawing (as shown in Figure 2)
(4) super-hydrophobic copper cone regulates and controls gas under water：The bottom for the super-hydrophobic copper cone that in (3) prepared by success is fixed on one
On 2*2*2cm brandreth, and it is placed in 5*5*5cm quartz cell, deionized water is filled in quartz cell.Use syringe pump
The top bored respectively toward super-hydrophobic copper with 5mL/h speed and bottom injection bubble (as shown in fig. 4 a), are made and suspended on bubble
Super-hydrophobic copper wimble device.
No matter identical bubble discharges from the top of cone or bottom, can reach the same equilbrium position on cone.
Embodiment 2
The method that the super-hydrophobic copper cone prepared using the present invention that the present embodiment is proposed regulates and controls gas under water, including it is following several
Individual step；
(1) copper wire is pre-processed：A diameter of 1mm commercially available copper wire is polished with P1500 sand paper, and uses hydroxide successively
Sodium, hydrochloric acid, ethanol, acetone, deionized water ultrasonic irrigation 15min, are dried up stand-by with nitrogen afterwards.
(2) preparation of copper cone：Copper wire in (1) is immersed in the small glass for filling that 50mL concentration is 0.1mol/L copper-baths
In groove, as anode, with copper sheet as negative electrode, decomposition voltage is 10V, and small glass guide channel is fixed on lifting platform into (lifting
Speed is 1.0mm/s), after about 300 times are circulated throughout, copper cone is formed.
(3) preparation of super-hydrophobic copper cone：The copper cone prepared in (2) is clear successively with 0.1mol/L hydrochloric acid and deionized water
Wash, dried up with nitrogen.Then super-hydrophobic SiO is used2Nano-particle solution is modified copper coning row gradient, so as to just successfully prepare
Super-hydrophobic copper cone.Its pattern and partial enlarged drawing (as shown in Figure 2)
(4) super-hydrophobic copper cone regulates and controls gas under water：The bottom for the super-hydrophobic copper cone that in (3) prepared by success is fixed on one
On 2*2*2cm brandreth, and it is placed in 5*5*5cm quartz cell, deionized water is filled in quartz cell.Use syringe pump
With 5mL/h speed from top toward the surface injection bubble (as shown in Figure 4 b) for the super-hydrophobic copper cone for being hung with a bubble, system
The super-hydrophobic copper wimble device of bubble must be suspended on.
Different size of bubble has different equilbrium positions (as shown in Figure 4 b) on super-hydrophobic copper cone
Embodiment 3
The method that the super-hydrophobic copper cone prepared using the present invention that the present embodiment is proposed regulates and controls gas under water, including it is following several
Individual step；
(1) copper wire is pre-processed：A diameter of 1mm commercially available copper wire is polished with P1500 sand paper, and uses hydroxide successively
Sodium, hydrochloric acid, ethanol, acetone, deionized water ultrasonic irrigation 15min, are dried up stand-by with nitrogen afterwards.
(2) preparation of copper cone：Copper wire in (1) is immersed in the small glass for filling that 50mL concentration is 0.1mol/L copper-baths
In groove, as anode, with copper sheet as negative electrode, decomposition voltage is 10V, and small glass guide channel is fixed on lifting platform into (lifting
Speed is 1.0mm/s), after about 300 times are circulated throughout, copper cone is formed.
(3) preparation of super-hydrophobic copper cone：The copper cone prepared in (2) is clear successively with 0.1mol/L hydrochloric acid and deionized water
Wash, dried up with nitrogen.Then super-hydrophobic SiO is used2Nano-particle solution is modified copper coning row gradient, so as to just successfully prepare
Super-hydrophobic copper cone.Its pattern and partial enlarged drawing (as shown in Figure 2)
(4) super-hydrophobic copper cone regulates and controls gas under water：The bottom for the super-hydrophobic copper cone that in (3) prepared by success is fixed on one
On 2*2*2cm brandreth, and it is placed in 5*5*5cm quartz cell, deionized water is filled in quartz cell.Use syringe pump
The bottom injection bubble (as illustrated in fig. 4 c) bored with 5mL/h speed from super-hydrophobic copper, is made the super-hydrophobic copper that suspended on bubble
Wimble device.
The super-hydrophobic upper diverse location of copper cone can hang the bubble of different volumes, the air bladder of super-hydrophobic copper cone end suspension
Product maximum (as illustrated in fig. 4 c)
Embodiment 4
The method that the super-hydrophobic copper cone prepared using the present invention that the present embodiment is proposed regulates and controls gas under water, including it is following several
Individual step；
(1) copper wire is pre-processed：A diameter of 1mm commercially available copper wire is polished with P1500 sand paper, and uses hydroxide successively
Sodium, hydrochloric acid, ethanol, acetone, deionized water ultrasonic irrigation 15min, are dried up stand-by with nitrogen afterwards.
(2) preparation of copper cone：Copper wire in (1) is immersed in the small glass for filling that 50mL concentration is 0.1mol/L copper-baths
In groove, as anode, with copper sheet as negative electrode, decomposition voltage is 10V, and small glass guide channel is fixed on lifting platform into (lifting
Speed is 1.0mm/s), after about 300 times are circulated throughout, copper cone is formed.
(3) preparation of super-hydrophobic copper cone：The copper cone prepared in (2) is clear successively with 0.1mol/L hydrochloric acid and deionized water
Wash, dried up with nitrogen.Then super-hydrophobic SiO is used2Nano-particle solution is modified copper coning row gradient, so as to just successfully prepare
Super-hydrophobic copper cone.Its pattern and partial enlarged drawing (as shown in Figure 2).
(4) super-hydrophobic copper cone regulates and controls gas under water：The bottom for the super-hydrophobic copper cone that in (3) prepared by success is fixed on one
On 2*2*2cm brandreth, and it is placed in 5*5*5cm quartz cell, deionized water is filled in quartz cell.Use syringe pump
Bubble is injected from the bottom that super-hydrophobic copper is bored with 5mL/h speed, the super-hydrophobic copper wimble device that suspended on bubble is made, it is considered to super
Influence (as shown in Figure 5) of the cone angle and inclination angle of hydrophobic copper cone to suspension bubble volume.
With the increase for the cone angle that super-hydrophobic copper is bored, the maximum volume that super-hydrophobic copper cone can hang bubble is increase
(as shown in Fig. 5 a-b).As super-hydrophobic copper bores the increase at inclination angle, the maximum volume that super-hydrophobic copper cone can hang bubble is to subtract
Few (as shown in Fig. 5 c-d)
Embodiment 5
The super-hydrophobic copper prepared using the present invention the cone that the present embodiment is proposed regulates and controls the method for gas under water and its in pressure
Application in inductor, including following steps；
(1) copper wire is pre-processed：A diameter of 1mm commercially available copper wire is polished with P1500 sand paper, and uses hydroxide successively
Sodium, hydrochloric acid, ethanol, acetone, deionized water ultrasonic irrigation 15min, are dried up stand-by with nitrogen afterwards.
(2) preparation of copper cone：Copper wire in (1) is immersed in the small glass for filling that 50mL concentration is 0.1mol/L copper-baths
In groove, as anode, with copper sheet as negative electrode, decomposition voltage is 10V, and small glass guide channel is fixed on lifting platform into (lifting
Speed is 1.0mm/s), after about 300 times are circulated throughout, copper cone is formed.
(3) preparation of super-hydrophobic copper cone：The copper cone prepared in (2) is clear successively with 0.1mol/L hydrochloric acid and deionized water
Wash, dried up with nitrogen.Then super-hydrophobic SiO is used2Nano-particle solution is modified copper coning row gradient, so as to just successfully prepare
Super-hydrophobic copper cone.Its pattern and partial enlarged drawing (as shown in Figure 2)
(4) super-hydrophobic copper cone regulates and controls gas under water：The bottom for the super-hydrophobic copper cone that in (3) prepared by success is fixed on one
On 2*2*2cm brandreth, and it is placed in 5*5*5cm quartz cell, deionized water is filled in quartz cell.Use syringe pump
One bubble is injected from the bottom that super-hydrophobic copper is bored with 5mL/h speed, the super-hydrophobic copper wimble device that suspended on bubble is made.
(5) it is applied to pressure inductor：The super-hydrophobic copper wimble device (4) of bubble will be suspended on, is placed in vacuum desiccator,
This device internal pressure (as shown in Figure 7) is reduced with oil pump.
Pressure is reduced, the volume of the super-hydrophobic upper bubble of copper cone becomes top movement (as shown in Figure 7) big and toward cone.
Claims (10)
1. the method that super-hydrophobic copper cone regulates and controls gas under water, comprises the following steps：
(1) copper wire is pre-processed：Copper wire is polished, and uses sodium hydroxide, hydrochloric acid, ethanol, acetone, deionized water ultrasonic irrigation successively
15min, is dried up stand-by with nitrogen afterwards；
(2) preparation of copper cone：Pretreated copper wire in step (1) is immersed in copper-bath, as anode, copper is used
Piece is as negative electrode, and decomposition voltage is 10V, and small glass guide channel is fixed on lifting platform, after about 300 times are circulated throughout, and forms copper cone；
(3) preparation of super-hydrophobic copper cone：The copper cone prepared in step (2) is clear successively with 0.1mol/L hydrochloric acid and deionized water
Wash, dried up with nitrogen；Use super-hydrophobic SiO2Nano-particle solution is modified copper coning row gradient, so as to prepare super-hydrophobic copper
Cone；
(4) super-hydrophobic copper cone regulates and controls gas under water：The bottom of super-hydrophobic copper cone prepared by step (3) is fixed on brandreth, and
It is placed in the quartz cell for filling deionized water, is made outstanding toward the surface injection bubble of cone with syringe pump with 5mL/h speed
Hang the super-hydrophobic copper wimble device of bubble.
2. according to the method described in claim 1, it is characterised in that：Super-hydrophobic SiO is used in described step (3)2Nano-particle
Solution is：0.2gSiO2Nano-particle is dissolved in the CHCl that PMMA concentration is 5g/L3In.
3. according to the method described in claim 1, it is characterised in that：The contact angle of super-hydrophobic copper cone prepared by step (3) to water
For 160.5 °, the contact angle to gas is 0 °.
4. according to the method described in claim 1, it is characterised in that：Different positions in described step (4) on super-hydrophobic copper cone
The bubble of suspension different volumes is put, the volume of the bubble of cone end suspension is maximum.
5. according to the method described in claim 1, it is characterised in that：Polishing in step (1) is by a diameter of 1mm commercially available copper
Silk is polished with P1500 sand paper.
6. according to the method described in claim 1, it is characterised in that：Copper-bath concentration is 0.1mol/L in step (2).
7. according to the method described in claim 1, it is characterised in that：Lifting of lifting table speed is 1.0mm/s in step (2).
8. a kind of pressure inductor, usage right requires the super-hydrophobic copper wimble device that suspended on bubble prepared by any one of 1-7.
9. pressure inductor according to claim 8, it is characterised in that：The super-hydrophobic copper wimble device that suspended on bubble is placed in very
In empty drier, this device internal pressure is reduced with oil pump.
10. pressure inductor according to claim 8, it is characterised in that：With the reduction of pressure, the volume increase of bubble and from
The bottom of cone is moved to the top of cone.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113215604A (en) * | 2021-04-30 | 2021-08-06 | 北京航空航天大学 | Bionic wettability gradient cone cluster electrode |
| CN114250457A (en) * | 2021-12-29 | 2022-03-29 | 北京航空航天大学 | Janus-gradient composite wettability copper wire capable of realizing ultra-fast liquid drop transmission and preparation method thereof |
Citations (1)
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|---|---|---|---|---|
| CN106007794A (en) * | 2016-05-16 | 2016-10-12 | 北京航空航天大学 | Method for inducing wettability changes of super-hydrophobic film through solvent and application |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106007794A (en) * | 2016-05-16 | 2016-10-12 | 北京航空航天大学 | Method for inducing wettability changes of super-hydrophobic film through solvent and application |
Non-Patent Citations (2)
| Title |
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| CUNMING YU ET AL.: "Spontaneous and Directional Transportation of Gas Bubbles on Superhydrophobic Cones", 《ADV.FUNCT.MATER》 * |
| XIUZHAN XUE ET AL.: "Superhydrophobic Cones for Continuous Collection and Directional Transportation of CO2 Microbubbles in CO2 Supersaturated Solutions", 《ACS NANO》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113215604A (en) * | 2021-04-30 | 2021-08-06 | 北京航空航天大学 | Bionic wettability gradient cone cluster electrode |
| CN114250457A (en) * | 2021-12-29 | 2022-03-29 | 北京航空航天大学 | Janus-gradient composite wettability copper wire capable of realizing ultra-fast liquid drop transmission and preparation method thereof |
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