CN114752936A - Preparation method of lubricant injection frame with nanometer tree array structure - Google Patents

Preparation method of lubricant injection frame with nanometer tree array structure Download PDF

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CN114752936A
CN114752936A CN202210421739.4A CN202210421739A CN114752936A CN 114752936 A CN114752936 A CN 114752936A CN 202210421739 A CN202210421739 A CN 202210421739A CN 114752936 A CN114752936 A CN 114752936A
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copper
lubricant injection
lubricant
array structure
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郭志光
肖一粟
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Hubei University
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Hubei University
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    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D1/00—Processes for applying liquids or other fluent materials
    • B05D1/18—Processes for applying liquids or other fluent materials performed by dipping
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
    • B05D3/06—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to radiation
    • B05D3/061—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to radiation using U.V.
    • B05D3/065—After-treatment
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C26/00—Coating not provided for in groups C23C2/00 - C23C24/00
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
    • C25D11/02—Anodisation
    • C25D11/34—Anodisation of metals or alloys not provided for in groups C25D11/04 - C25D11/32

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Electrochemistry (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Lubricants (AREA)

Abstract

The invention relates to a preparation method of a lubricant injection frame with a nanometer tree array structure, in particular to a preparation method of a lubricant injection surface with good physical and chemical stability, high efficiency and durability, and belongs to the technical field of preparation of ultra-smooth surfaces. The invention is inspired by nepenthes in nature, carries out bionic design on the characteristic of the super-smooth surface of the nepenthes, prepares the foamy copper with the nanometer tree array by an electrochemical method and a hydrothermal method, and then injects a lubricant on the surface to obtain a lubricant injection framework with the nanometer tree array structure. The prepared ultra-smooth surface shows high-efficiency fog capture and rapid liquid drop growth and removal in the fog collection process. Furthermore, under extreme conditions, good droplet sliding performance can still be maintained. Therefore, the lubricant injection frame with the nanometer tree array structure has good prospect in the field of fog collection.

Description

Preparation method of lubricant injection frame with nanometer tree array structure
Technical Field
The invention relates to a preparation method of a lubricant injection frame with a nanometer tree array structure, in particular to a preparation method of a lubricant injection surface with good physical and chemical stability, high efficiency and durability, and belongs to the technical field of preparation of ultra-smooth surfaces.
Background
Inspired by nepenthes, there are a number of "lubricant infused" surfaces that have been prepared to achieve a smooth surface with low adhesion, stain resistance, and excellent fluid repellency. The principle is realized by constructing a micro-nano structure on a substrate and enhancing the interaction force between the substrate and a lubricant.
Preparing a frame covered by the nanometer tree array by an electrochemical method and a hydrothermal method, and then injecting oil on the frame to obtain a smooth surface injected with a lubricant. Due to the existence of the nanometer tree array micro-nano structure and the covalent bond Zn-O-Si formed between the polydimethylsiloxane and the zinc oxide nanowire, the prepared LIS has good oil locking capacity. The prepared lubricant injection surface still has good droplet sliding performance and water collection efficiency after being tested by high shear rate of 7000rpm, indoor standing for 7 days under room temperature condition, acidic solution of different pH, and the like.
Disclosure of Invention
The invention aims to provide a simple, convenient and green preparation method of a lubricant injection frame with a nanometer tree array. The lubricant prepared by an electrochemical method and a hydrothermal method is injected into the surface to realize efficient fog collection.
The technical scheme adopted by the invention is as follows: a method for preparing a lubricant injection framework with a nanometer tree array is characterized by comprising the following steps:
A. Removing impurities on the surface of the foamy copper: cutting the foam copper into 20mm 20mmm 1mm pieces, then respectively ultrasonically cleaning with deionized water, ethanol and 0.4 wt% hydrochloric acid solution to remove oxide impurities on the surface, and then using N2Drying;
B. preparation of copper oxide nanoneedle covered copper foam: preparing sodium hydroxide NaOH and hexadecyl trimethyl ammonium bromide C with certain concentration19H42B, taking a mixed solution of BrN and deionized water as an electrolyte, placing the foamy copper obtained by treatment in the step A into the electrolyte as an anode, taking a platinum sheet as a cathode to perform an anodic oxidation reaction, covering the surface of the foamy copper with copper hydroxide after a certain time, and thenPlacing the obtained copper hydroxide covered foamy copper in a muffle furnace for a period of time to obtain copper oxide nano needle covered foamy copper;
C. growing zinc oxide nanowires on the copper oxide nanoneedles: soaking the foamy copper obtained in the step B in zinc acetate C4H6O4Zn·2H2O and ethanol C2H6Adding the mixture into O mixed solution for 30s, then placing the mixture into a muffle furnace with a high temperature of 300 ℃ for seed injection, and soaking the seed-injected copper foam into zinc nitrate Zn (NO)3)2·6H2O, ammonia NH3·H2Keeping the mixed solution of O and deionized water at 90 ℃ for 5.5h, washing with ethanol after the reaction is finished, and drying in vacuum;
D. Preparation of lubricant injection surface: and D, soaking the copper foam obtained in the step C into the lubricant under the condition of ultraviolet irradiation to prepare a lubricant-injected surface.
Preferably, in step B, NaOH, cetyltrimethylammonium bromide C19H42The mass fraction ratio of BrN to deionized water is as follows: 7.382%; 0.337%; 92.281 percent.
Preferably, in step B, the anodic oxidation reaction time is 25 min.
Preferably, in the step B, the temperature of the muffle furnace is 180 ℃ and the reaction time is 2 h.
Preferably, in step C, zinc acetate C4H6O4Zn·2H2O and ethanol C2H6The mass fraction ratio of O is as follows: 4 percent; 96 percent.
Preferably, step C, soaking in zinc acetate solution for 30s, is repeated 5 times.
Preferably, in step C, the concentration of ammonia is 25 wt% to 28 wt%.
Preferably, in step C, zinc nitrate Zn (NO)3)2·6H2O, ammonia NH3·H2The mass fraction ratio of O and deionized water is as follows: 0.861%; 2.700 percent; 96.439 percent.
Preferably, in step D, the injected lubricant is dimethicone having a viscosity of 100 cSt.
Preferably, in step D, under uv irradiation, the polydimethylsiloxane is grafted to the nanowires of zinc oxide, and covalently bonded, and the excess PDMS without grafting serves as a lubricant layer.
The beneficial effects of the invention are: compared with the prior art, the invention has the advantages that:
1. simple preparation process, and the adopted reagent is harmless to environment
2. The prepared lubricant injection surface has good physical and chemical stability
3. The prepared lubricant injection surface has excellent mist and water collecting performance.
Drawings
FIG. 1: in the preparation process of the embodiment 1, electron microscope images and contact angle images of the material surface are obtained at different stages. Wherein FIG. 1a is the original copper foam surface, FIG. 1bc is the surface covered by copper oxide nanoneedles, and FIGS. 1 d-i are the surfaces covered by ZnO @ CuO nanotree arrays.
FIG. 2 is a schematic diagram: the change in contact angle and sliding angle of the lubricant injection surface under various extreme conditions in example 2 of the present invention. Wherein fig. 2a is the contact angle and sliding angle change of the lubricant injection surface at room temperature for different time periods, and fig. 2b is the contact angle and sliding angle change of the water drop on the sample surface at different shear rates. Fig. 2c is a contact angle and a sliding angle of an acidic liquid drop at different pH on a lubricant injection surface, and fig. 2d is a change in contact angle and sliding angle of a water drop on a lubricant injection surface at different temperatures.
FIG. 3: comparison of the efficiency of mist collection for different surfaces in example 3 of the present invention. Fig. 3a is a comparison of mist collection performance of different samples, fig. 3b is the time required for the first droplet to slide off different surfaces, fig. 3c is the change in water collection capacity of different surfaces over 180min, and fig. 3 de is a comparison of mist capture performance and droplet growth and removal performance of lubricant injection surfaces and superhydrophobic surfaces.
Detailed Description
For better understanding of the present invention, the following examples are given for further illustration of the present invention, but the present invention is not limited to the following examples. Various changes or modifications may be effected by one skilled in the art and these equivalents are intended to be within the scope of the invention as defined in the claims appended hereto.
Example 1
1. Removing impurities on the surface of the foamy copper: cutting the foam copper into 20mm 20mmm 1mm pieces, then respectively ultrasonically cleaning with deionized water, ethanol and 0.4 wt% hydrochloric acid solution to remove oxide impurities on the surface, and then using N2And (5) drying.
2. Preparation of copper oxide nanoneedle covered copper foam: preparing sodium hydroxide (NaOH) and hexadecyl trimethyl ammonium bromide (C)19H42BrN) and deionized water are as follows: 7.382 percent; 0.337%; 92.281% mixed solution is used as electrolyte. And (3) placing the foamy copper obtained by the treatment in the step (1) as an anode into electrolyte, taking a platinum sheet as a cathode to perform anodic oxidation reaction, covering the surface of the foamy copper with copper hydroxide after 25min, and then placing the foamy copper covered with the copper hydroxide in a muffle furnace to react for 2h at 180 ℃ to obtain foamy copper covered with copper oxide nano needles.
3. Growing zinc oxide nanowires on the copper oxide nanoneedles: soaking the foamy copper obtained in the step 2 in zinc acetate (C)4H6O4Zn·2H2O) and ethanol (C)2H6O) is 4 percent; repeating the reaction for 5 times in 96% mixed solution for 30s, placing the mixture into a muffle furnace with a high temperature of 300 ℃ for seed injection, and immersing the foamed copper subjected to seed injection into a mixed solution of zinc nitrate, 25 wt% ammonia water and deionized water, wherein the zinc nitrate (Zn (NO) is3)2·6H2O), ammonia (NH)3·H2O) and deionized water are as follows: 0.861%; 2.700%; 96.439%, keeping at 90 deg.C for 5.5h, washing with ethanol, and vacuum drying.
4. Preparation of lubricant injection surface: the lubricant-impregnated surface was prepared by immersing copper foam into dimethylsilicone oil having a viscosity of 100cSt under ultraviolet irradiation. Under the irradiation of ultraviolet light, polydimethylsiloxane is grafted to the nano-wires of the zinc oxide and is bonded in a covalent bond mode, and the surplus PDMS without grafting is used as a lubricating layer.
5: and (3) characterizing the surface appearance of the material at different stages: as shown in FIG. 1a, the surface of the original copper foam is smooth and flat with few scratches, the surface covered by the copper oxide nano-needles is uniformly covered by a large number of nano-needles, and the surface covered by the ZnO @ CuO nano-trees is uniformly and densely distributed with nano-trees.
Example 2
1. Removing impurities on the surface of the foamy copper: the copper foam is cut into pieces of 20mm x 20mmm x 1mm, and then ultrasonic cleaning is respectively carried out on the pieces by using deionized water, ethanol and 0.4 wt% hydrochloric acid solution, so as to remove oxide impurities on the surface. Subsequently with N2And (5) drying.
2. Preparation of copper oxide nanoneedle covered copper foam: preparing sodium hydroxide (NaOH) and hexadecyl trimethyl ammonium bromide (C)19H42BrN) and deionized water are as follows: 7.382 percent; 0.337%; 92.281% mixed solution is used as electrolyte. And (3) placing the foamy copper obtained by the treatment in the step (1) as an anode into electrolyte, taking a platinum sheet as a cathode to perform anodic oxidation reaction, covering the surface of the foamy copper with copper hydroxide after 25min, and then placing the foamy copper covered with the copper hydroxide in a muffle furnace to react for 2h at 180 ℃ to obtain foamy copper covered with copper oxide nano needles.
3. Growing zinc oxide nanowires on the copper oxide nanoneedles: soaking the foamy copper obtained in the step 2 in zinc acetate (C)4H6O4Zn·2H2O) and ethanol (C)2H6O) is 4 percent; repeating the steps for 5 times in 96% mixed solution for 30s, then placing the mixture into a muffle furnace with a high temperature of 300 ℃ for seed injection, and soaking the seeded copper foam into a mixed solution of zinc nitrate, 28 wt% ammonia water and deionized water, wherein the zinc nitrate (Zn (NO) (zinc oxide) 3)2·6H2O), ammonia (NH)3·H2O) and deionized water are as follows: 0.861%; 2.700 percent; 96.439%, keeping at 90 deg.C for 5.5h, washing with ethanol after reaction, and vacuum drying.
4. Preparation of lubricant injection surface: the lubricant-impregnated surface was prepared by immersing copper foam into dimethylsilicone oil having a viscosity of 100cSt under ultraviolet irradiation. Under the irradiation of ultraviolet light, polydimethylsiloxane is grafted to the nano-wires of the zinc oxide and is bonded in a covalent bond mode, and the surplus PDMS without grafting is used as a lubricating layer.
5. Testing of contact and sliding angles under various extreme conditions: it can be seen from fig. 2a that the contact angle and the sliding angle of the water drop on the surface gradually increase with the increase of the standing time, and increase to the maximum at the seventh day, but the contact angle and the sliding angle of the water drop on the surface return to the initial state after the lubricant is re-injected, which indicates that the lubricant injection surface has good stability and reusability. Fig. 2b shows that the contact angle and sliding angle of the water drop gradually increase with increasing rotation speed but the oil film is still present on the final surface to achieve good sliding performance. Fig. 2cd shows that the contact angle and sliding angle of a water drop on a surface change very little and not more than 10% under acidic conditions of different pH and different temperature conditions, indicating that the surface has good physicochemical stability.
Example 3
1. Removing impurities on the surface of the foamy copper: the copper foam is cut into pieces of 20mm x 20mmm x 1mm, and then ultrasonic cleaning is respectively carried out on the pieces by using deionized water, ethanol and 0.4 wt% hydrochloric acid solution, so as to remove oxide impurities on the surface. Subsequently with N2And (5) drying.
2. Preparation of copper oxide nanoneedle covered copper foam: preparing sodium hydroxide (NaOH) and hexadecyl trimethyl ammonium bromide (C)19H42BrN) and deionized water are as follows: 7.382%; 0.337%; 92.281% mixed solution is used as electrolyte. And (3) placing the foamy copper obtained by the treatment in the step (1) as an anode into electrolyte, taking a platinum sheet as a cathode to perform anodic oxidation reaction, covering the surface of the foamy copper with copper hydroxide after 25min, and then placing the foamy copper covered with the copper hydroxide in a muffle furnace to react for 2h at 180 ℃ to obtain foamy copper covered with copper oxide nano needles.
3. Growing zinc oxide on copper oxide nanoneedleNanowire: soaking the foamy copper obtained in the step 2 in zinc acetate (C)4H6O4Zn·2H2O) and ethanol (C)2H6O) is 4 percent; repeating the steps for 5 times in 96% mixed solution for 30s, then placing the mixed solution into a muffle furnace with a high temperature of 300 ℃ for seed injection, and soaking the seeded copper foam into a mixed solution of zinc nitrate, ammonia water with a concentration of 26.5 wt% and deionized water, wherein the zinc nitrate (Zn (NO) is 3)2·6H2O), ammonia (NH)3·H2O) and deionized water are as follows: 0.861%; 2.700%; 96.439%, keeping at 90 deg.C for 5.5h, washing with ethanol after reaction, and vacuum drying.
4. Preparation of lubricant injection surface: the lubricant-impregnated surface was prepared by immersing copper foam into dimethylsilicone oil having a viscosity of 100cSt under ultraviolet irradiation. Under the irradiation of ultraviolet light, polydimethylsiloxane is grafted to the nano-wires of the zinc oxide and is bonded in a covalent bond mode, and the surplus PDMS without grafting is used as a lubricating layer.
5. And (3) testing the fog collection performance: the prepared different samples were placed in a self-made fog water collecting and testing device (the fog flow and the fog speed are 0.0376g s respectively)-1And 16cm s-1) The above. Fig. 3 a is a comparison of the mist collection performance of different samples under the same conditions, and it can be seen that the water collection efficiency of the lubricant injected into the surface can reach 219% of the water collection efficiency of the original copper foam surface. The time required for the first droplet of the surface of fig. 3b to slide off the lubricant injection surface is minimal, about 24 s. Figure 3c illustrates that the lubricant injection surface still exhibits good mist collection performance over a long period of mist collection. The comparison of fig. 3d and e further illustrates that the lubricant injection surface can form continuous and efficient droplet movement during long-term mist collection, while the super-hydrophobic copper foam can generate droplet pinning with the time.
To summarize: the invention is inspired by nepenthes in nature, carries out bionic design on the characteristic of the super-smooth surface of the nepenthes, prepares the foamy copper with the nanometer tree array by an electrochemical method and a hydrothermal method, and then injects a lubricant on the surface to obtain a lubricant injection framework with the nanometer tree array structure. The prepared ultra-smooth surface shows high-efficiency fog capture and rapid liquid drop growth and removal in the fog collection process. Furthermore, under extreme conditions, good droplet sliding performance can still be maintained. Therefore, the lubricant injection frame with the nanometer tree array structure has good prospect in the field of fog collection.
Finally, it should be noted that the above-mentioned contents are only used for illustrating the technical solutions of the present invention, and not for limiting the protection scope of the present invention, and that the simple modifications or equivalent substitutions of the technical solutions of the present invention by those of ordinary skill in the art can be made without departing from the spirit and scope of the technical solutions of the present invention.

Claims (10)

1. A preparation method of a lubricant injection frame with a nanometer tree array is characterized by comprising the following steps:
A. removing impurities on the surface of the foamy copper: cutting the foam copper into 20mm 20mmm 1mm pieces, then respectively ultrasonically cleaning with deionized water, ethanol and 0.4 wt% hydrochloric acid solution to remove oxide impurities on the surface, and then using N 2Drying;
B. preparation of copper oxide nanoneedle covered copper foam: preparing sodium hydroxide NaOH and hexadecyl trimethyl ammonium bromide C with certain concentration19H42B, taking a mixed solution of BrN and deionized water as an electrolyte, placing the foamy copper obtained by treatment in the step A into the electrolyte as an anode, taking a platinum sheet as a cathode to perform anodic oxidation reaction, covering the surface of the foamy copper with copper hydroxide after a certain time, and then placing the foamy copper covered with the obtained copper hydroxide into a muffle furnace for a period of time to obtain foamy copper covered with copper oxide nano needles;
C. growing zinc oxide nanowires on the copper oxide nanoneedles: soaking the foamy copper obtained in the step B in zinc acetate C4H6O4Zn·2H2O and ethanol C2H6Adding the mixture into O mixed solution for 30s, then placing the mixture into a muffle furnace with a high temperature of 300 ℃ for seed injection, and soaking the seed-injected copper foam into zinc nitrate Zn (N)O3)2·6H2O, ammonia NH3·H2Keeping the mixed solution of O and deionized water at 90 ℃ for 5.5h, washing with ethanol after the reaction is finished, and drying in vacuum;
D. preparation of lubricant injection surface: and C, immersing the foamy copper obtained in the step C into the lubricant under the condition of ultraviolet irradiation to prepare a lubricant-injected surface.
2. The method of preparing a lubricant injection frame having a nanotree array structure according to claim 1, wherein: in step B, NaOH, cetyl trimethyl ammonium bromide C 19H42The mass fraction ratio of BrN to deionized water is as follows: 7.382%; 0.337%; 92.281 percent.
3. The method of preparing a lubricant injection frame having a nanotree array structure according to claim 1, wherein: in the step B, the anodic oxidation reaction time is 25 min.
4. The method of preparing a lubricant injection frame having a nanotree array structure according to claim 1, wherein: in the step B, the temperature of the muffle furnace is 180 ℃, and the reaction time is 2 h.
5. The method of preparing a lubricant injection frame having a nanotree array structure according to claim 1, wherein: in step C, zinc acetate C4H6O4Zn·2H2O and ethanol C2H6The mass fraction ratio of O is as follows: 4 percent; 96 percent.
6. The method of preparing a lubricant injection frame having a nanotree array structure according to claim 1, wherein: in step C, soaking in zinc acetate solution for 30s, and repeating for 5 times.
7. The method of preparing a lubricant injection frame having a nanotree array structure according to claim 1, wherein: in the step C, the concentration of the ammonia water is 25 wt% -28 wt%.
8. The method of preparing a lubricant injection frame having a nanotree array structure according to claim 7, wherein: in step C, zinc nitrate Zn (NO) 3)2·6H2O, ammonia NH3·H2The mass fraction ratio of O to deionized water is as follows: 0.861%; 2.700%; 96.439 percent.
9. The method of preparing a lubricant injection frame having a nanotree array structure according to claim 1, wherein: in step D, the injected lubricant is dimethicone having a viscosity of 100 cSt.
10. The method of preparing a lubricant injection frame having a nanotree array structure according to claim 9, wherein: in the step D, under the irradiation of ultraviolet light, polydimethylsiloxane is grafted to the nano-wires of the zinc oxide and is combined in a covalent bond mode, and the redundant PDMS without grafting is used as a lubricating layer.
CN202210421739.4A 2022-04-21 2022-04-21 Preparation method of lubricant injection frame with nanometer tree array structure Pending CN114752936A (en)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104888498A (en) * 2015-06-12 2015-09-09 东南大学 Preparation method of durable super-hydrophobic super-oleophylic foamy copper for oil and water separation
CN110656328A (en) * 2019-08-29 2020-01-07 湖北大学 Preparation method of Janus foam copper with asymmetric wettability and efficient mist collection capacity
CN113786739A (en) * 2021-09-02 2021-12-14 湖北大学 Preparation method of Janus membrane with micro-nanowire channel structure

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104888498A (en) * 2015-06-12 2015-09-09 东南大学 Preparation method of durable super-hydrophobic super-oleophylic foamy copper for oil and water separation
CN110656328A (en) * 2019-08-29 2020-01-07 湖北大学 Preparation method of Janus foam copper with asymmetric wettability and efficient mist collection capacity
CN113786739A (en) * 2021-09-02 2021-12-14 湖北大学 Preparation method of Janus membrane with micro-nanowire channel structure

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
DEKE LI 等: "Multibioinspired Janus membranes with superwettable performance for unidirectional transportation and fog collection", vol. 404, pages 126515 *
HUI ZHOU 等: "Excellent fog droplets collector via an extremely stable hybrid hydrophobic-hydrophilic surface and Janus copper foam integrative system with hierarchical micro/nanostructures", vol. 561, pages 730 - 740, XP086038164, DOI: 10.1016/j.jcis.2019.11.048 *
于晶晶;廖斌;张旭;: "三维ZnO/CuO纳米树的制备及其光电化学性能的研究", no. 05 *
闫玲玲: "《ⅢA族元素掺杂硅基光电材料性能影响概论》", 中国矿业大学出版社, pages: 108 *

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