CN106245011A - A kind of lyophoby superslide interface and preparation method thereof - Google Patents

A kind of lyophoby superslide interface and preparation method thereof Download PDF

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CN106245011A
CN106245011A CN201610697357.9A CN201610697357A CN106245011A CN 106245011 A CN106245011 A CN 106245011A CN 201610697357 A CN201610697357 A CN 201610697357A CN 106245011 A CN106245011 A CN 106245011A
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interface
lyophoby
superslide
aluminium alloys
nano structure
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CN106245011B (en
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王楠
熊党生
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Nanjing University of Science and Technology
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Nanjing University of Science and Technology
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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
    • C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C22/02—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using non-aqueous solutions
    • 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
    • C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C22/78—Pretreatment of the material to be coated
    • 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
    • C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C22/82—After-treatment
    • C23C22/83—Chemical 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
    • C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
    • C23F1/00—Etching metallic material by chemical means
    • C23F1/10—Etching compositions
    • C23F1/14—Aqueous compositions
    • C23F1/16—Acidic compositions
    • C23F1/20—Acidic compositions for etching aluminium or alloys thereof
    • 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
    • C23C2222/00—Aspects relating to chemical surface treatment of metallic material by reaction of the surface with a reactive medium
    • C23C2222/20—Use of solutions containing silanes

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  • Chemical & Material Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Lubricants (AREA)

Abstract

The invention discloses a kind of lyophoby superslide interface and preparation method thereof, by with 7075 aluminium alloys as substrate, after carrying out surface corrosion formation micro nano structure with nitric acid under ultrasonic Treatment state, carry out silicon fluoride surface grafting, in micro nano structure, finally inject perfluor lubricant prepare.The present invention is prepared with wide variety of structural metal 7075 aluminium alloy, the lyophoby superslide interface prepared is respectively provided with the repulsive interaction of excellence to the hexane that water, oil and surface tension are extremely low, has broad application prospects in fields such as building, machine-building, Aero-Space and navigations.

Description

A kind of lyophoby superslide interface and preparation method thereof
Technical field
The present invention relates to a kind of lyophoby superslide interface and preparation method thereof, belong to Material Field.
Background technology
Being inspired by Folium Nelumbinis super-amphiphobic phenomenon in nature, research worker is by by surface micronano structure and low-surface-energy The combination of chemical composition, prepares and has super-hydrophobic, the oleophobic interface repelling effect to water, oil simultaneously.This interface for Oil, water are the most fixing, for the liquid of various complicated ingredients in the crude oil of bigger viscosity and life, do not possess preferably repulsion Effect.The structure of simulation Herba nepenthis, by injecting perfluor synovial fluid on former super thin interface, it is possible to obtain a kind of synovial fluid pouring-in Porous interfacial layer.The surface at this interface is moistening synovial fluid layer, and bottom is micron-nanometer hierarchy, be a kind of lubricating fluid and The lyophoby superslide interface of super-hydrophobic/oleophobic interface cohesion.Lyophoby superslide interface except possess super-hydrophobic interface to water repellency Outside energy, oil, the hexane of blood especially low surface tension, acetone and other organic solvent also had repulsive interaction.In addition, this Kind of interface has repulsive interaction to the biological sucker such as mosquito, Blatta seu periplaneta, pawl etc., and insecticide is difficult to adhere to above.Full-bodied former The materials such as oil also can successfully slide on this superslide interface.
Schellenberger etc. are prepared for a kind of polymer-based lyophoby superslide interface, by SU-8 2025 photoresist with PMI mixing is coated on glass rear ultra-violet curing, and by burn into O2The grafting of plasma etching, low-surface-energy and injection are complete The mode of fluorine synovial fluid obtains, and it possesses good repellency to decanol, Oleum Arachidis hypogaeae semen, six decane etc., but the method is the most loaded down with trivial details multiple Miscellaneous, the size of base material, shape, appointed condition are required more strict (Direct observation of drops on slipper lubricant-infused surfaces,Soft Matter,2015,11,7617--7626)。Ying Yang Seminar uses electron spray phase separation method to be prepared for superslide interface, and it possesses good anti-ice performance, by nano silicon, fluorine After silane and silicone rubber solution mix, electroblowing apparatus is used to be sprayed in substrate, and at high temperature after film-forming, Injecting PFPE and obtain required coating, this preparation method is the most complicated, higher to sample size, shape need, and big portion Dividing is to prepare (Durability of a lubricant-infused for the particular substrate such as macromolecule, silicon chip Electrospray Silicon Rubber surfaceas an anti-icing coating,Applied Surface Science 346(2015)68–76).Not low-down to the surface tension hexane solution of above-mentioned coating is inquired into, to arranging The lyophoby superslide interface scolding low surface tension solution also needs to study further.
Summary of the invention
It is an object of the invention to provide a kind of lyophoby superslide interface and preparation method thereof, this interface is by 7075 aluminium alloy tables The low-surface-energy micro nano structure that face is constructed is composited with perfluor triamylamine, is micro-nano graded porous structure, covers bottom it Cover a layered low-surface energy material, thus there is good superhydrophobic characteristic, micro-nano graded porous structure injects perfluor 3 penta Amine.Described lyophoby superslide interface, by with 7075 aluminium alloys as substrate, carries out surface corrosion formation with nitric acid under supersound process After micro nano structure, carry out surface low-surface-energy grafting, finally inject perfluor lubricant and prepare, water, kerosene and surface are opened The extremely low hexane of power is respectively provided with the repulsion effect of excellence.
The technical solution realizing the object of the invention is:
A kind of lyophoby superslide interface, by 7075 aluminium alloys of low-surface-energy micro nano structure and injection micro nano structure Perfluor triamylamine composition, 7075 aluminium alloys of described low-surface-energy micro nano structure are the micro-nano that surface grafting has silicon fluoride Structurized 7075 aluminium alloys of rice.
The preparation method at above-mentioned lyophoby superslide interface, comprises the following steps:
7075 aluminium alloys of pretreatment are placed in the dilute nitric acid solution that concentration is 1.0～1.4mol/L, in 150～200W Ultrasound environments under ultrasonic 1～3min, carry out corrosion treatmentCorrosion Science, after ultrasonic end be dried, obtain 7075 aluminum of micro nano structure 7075 aluminium alloys of micro nano structure are carried out surface fluorination graft modification process by alloy, modified dry, inject on surface 0.005～0.01g/cm2Perfluor triamylamine, obtain lyophoby superslide interface.
The pretreatment of 7075 described aluminium alloys is that from No. 200 sand paper, 7075 aluminium alloys are started polishing, until No. 2000 Sand paper, is then processed by shot blasting with antiscuffing paste.
Described fluorinated graft modification be 7075 aluminium alloys of micro nano structure are soaked in 0.01～ In the hexane solution of the 17 fluorine decyl triethoxysilanes of 0.04mol/L, soaking temperature is 30～40 DEG C, and soak time is 1.5～2h.
Compared with prior art, its remarkable advantage is the present invention: 1) enter with wide variety of structural metal 7075 aluminium alloy Row preparation, has broad application prospects at building, machine-building, Aero-Space and navigational field；2) preparation method of the present invention Simply, size, the shape not requirement to base material, the course of processing is simple and easy to do；3) interface prepared by the present invention is to water, coal The organic solvent of the low surface tensions such as oil, hexane is respectively provided with the repulsive interaction of excellence.
Accompanying drawing explanation
Fig. 1 is the kerosene contact angle test result figure at embodiment 1 lyophoby superslide interface.
Fig. 2 is the hexane contact angle test result figure at embodiment 1 lyophoby superslide interface.
Fig. 3 is embodiment 1 hexane and kerosene slip figure on lyophoby superslide interface.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is further detailed explanation.
Embodiment 1
After (1) 7075 aluminium alloy sanding and polishing, put in the dilute nitric acid solution that concentration is 1.2mol/L, at 170W ultrasound wave Carry out under auxiliary corroding 2min；
(2) sample that step (1) obtained takes out, ethanol clean after normal temperature drying, put into 17 fluorine last of the ten Heavenly stems of 0.03mol/L In the hexane solution of ethyl triethoxy silicane alkane, at 40 DEG C, modified 2h, takes out, normal temperature drying after hexane cleaning；
(3) injecting perfluor triamylamine in the sample that step (2) obtains, injection rate is 0.008g/cm2, obtain lyophoby and surpass Sliding interface.
Preparing on lyophoby superslide interface, kerosene contact angle is 50 ° (as shown in Figure 1), hexane contact angle be 30 ° (as Shown in Fig. 2), and it can slide (as it is shown on figure 3, kerosene oil red O stain) on the superslide interface of preparation smoothly, can See that interface shows good repellency to low surface tension liquid.
Embodiment 2
After (1) 7075 aluminium alloy sanding and polishing, put in the dilute nitric acid solution that concentration is 1.0mol/L, at 150W ultrasound wave Carry out under auxiliary corroding 1min；
(2) sample step (1) obtained takes out, and rear normal temperature drying cleaned by ethanol.Put into 17 fluorine last of the ten Heavenly stems of 0.01mol/L In the hexane solution of ethyl triethoxy silicane alkane, at 30 DEG C, modified 2h, takes out, normal temperature drying after hexane cleaning；
(3) injecting perfluor triamylamine in the sample that step (2) obtains, injection rate is 0.005g/cm2, obtain lyophoby and surpass Sliding interface.
The interface prepared, kerosene contact angle is 40 °, and hexane contact angle is 20 °, and can slide smoothly on interface Dynamic, illustrate to obtain the superslide interface with lyophoby effect.
Embodiment 3
After (1) 7075 aluminium alloy sanding and polishing, put in the dilute nitric acid solution that concentration is 1.4mol/L, at 200W ultrasound wave Carry out under auxiliary corroding 3min；
(2) sample step (1) obtained takes out, and rear normal temperature drying cleaned by ethanol.Put into 17 fluorine last of the ten Heavenly stems of 0.04mol/L The hexane of ethyl triethoxy silicane alkane, at 40 DEG C, modified 1.5h, takes out, normal temperature drying after hexane cleaning；
(3) injecting perfluor triamylamine in the sample that step (2) obtains, injection rate is 0.01g/cm2, obtain lyophoby superslide Interface.
The interface prepared, kerosene contact angle is 35 °, and hexane contact angle is 25 °, and can slide smoothly on interface Dynamic, illustrate to obtain the superslide interface with lyophoby effect.
Comparative example 1
After (1) 7075 aluminium alloy sanding and polishing, put in the dilute nitric acid solution that concentration is 0.9mol/L, at 140W ultrasound wave Carry out under auxiliary corroding 0.5min；
(2) sample step (1) obtained takes out, and rear normal temperature drying cleaned by ethanol.Put into 17 fluorine last of the ten Heavenly stems of 0.01mol/L In the hexane solution of ethyl triethoxy silicane alkane, at 30 DEG C, modified 2h, takes out, normal temperature drying after hexane cleaning；
(3) injecting perfluor triamylamine in the sample that step (2) obtains, injection rate is 0.004g/cm2, obtain lyophoby and surpass Sliding interface.
On the lyophoby superslide interface prepared, kerosene contact angle is 10 °, and hexane contact angle is 0 °, and hexane is on interface Diffusion is come, and illustrates that interface does not possess the character all repelled all liq.
Comparative example 2
After (1) 7075 aluminium alloy sanding and polishing, put in the dilute nitric acid solution that concentration is 1.5mol/L, at 220W ultrasound wave Carry out under auxiliary corroding 4min；
(2) sample step (1) obtained takes out, and rear normal temperature drying cleaned by ethanol.Put into 17 fluorine last of the ten Heavenly stems of 0.01mol/L The hexane of ethyl triethoxy silicane alkane, at 30 DEG C, modified 2h, takes out, normal temperature drying after hexane cleaning；
(3) injecting perfluor triamylamine in the sample that step (2) obtains, injection rate is 0.015g/cm2, obtain lyophoby and surpass Sliding interface.
On the lyophoby superslide interface prepared, kerosene contact angle is 0 °, and hexane contact angle is 0 °, and kerosene, hexane are on boundary On face, diffusion is come, and illustrates that interface does not possess the character of lyophoby.

Claims (4)

1. a lyophoby superslide interface, it is characterised in that micro-by 7075 aluminium alloys of low-surface-energy micro nano structure and injection Perfluor triamylamine composition in nanostructured, 7075 aluminium alloys of described low-surface-energy micro nano structure are that surface grafting has fluorine 7075 aluminium alloys of the micro nano structure of silane.
The preparation method at lyophoby superslide interface the most according to claim 1, it is characterised in that comprise the following steps:
7075 aluminium alloys of pretreatment are placed in the dilute nitric acid solution that concentration is 1.0～1.4mol/L, in 150～200W super Under acoustic environment ultrasonic 1～3min, carry out corrosion treatmentCorrosion Science, be dried after ultrasonic end, obtain 7075 aluminium alloys of micro nano structure, 7075 aluminium alloys of micro nano structure are carried out surface fluorination graft modification process, modified dry, 0.005 is injected on surface ～0.01g/cm2Perfluor triamylamine, obtain lyophoby superslide interface.
The preparation method at lyophoby superslide interface the most according to claim 2, it is characterised in that 7075 described aluminium alloys Pretreatment is for starting polishing by 7075 aluminium alloys from No. 200 sand paper, until No. 2000 sand paper, is then polished place with antiscuffing paste Reason.
The preparation method at lyophoby superslide interface the most according to claim 2, it is characterised in that described fluorinated graft is modified It is processed as being soaked in 7075 aluminium alloys of micro nano structure the 17 fluorine decyl triethoxysilanes of 0.01～0.04mol/L Hexane solution in, soaking temperature is 30～40 DEG C, and soak time is 1.5～2h.
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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107311471A (en) * 2017-07-14 2017-11-03 昆明理工大学 A kind of preparation method of the smooth porous surface of glass
CN107857895A (en) * 2017-11-27 2018-03-30 北京航空航天大学 A kind of preparation method of the super lubrication boundary material of temperature-responsive
CN108996511A (en) * 2018-06-29 2018-12-14 湖北大学 A method of automatic circulating floating dive campaign in water is realized based on super-hydrophobic and superslide surface bubble trap device
CN109849378A (en) * 2019-03-20 2019-06-07 江南大学 A kind of preparation method of the self-lubricating surface of bionical anti-detergent adherency
CN114031798A (en) * 2021-11-22 2022-02-11 南方科技大学 Nano-mesh lyophobic film and preparation device and preparation method thereof
CN116618268A (en) * 2023-05-26 2023-08-22 吉林大学 Super-smooth surface and preparation method thereof

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103276429A (en) * 2013-06-24 2013-09-04 哈尔滨工业大学 Preparation method of aluminum or aluminum alloy super-hydrophobic surface
CN103703085A (en) * 2011-01-19 2014-04-02 哈佛学院院长等 Slippery liquid-infused porous surfaces and biological applications thereof
CN105413994A (en) * 2015-12-15 2016-03-23 大连理工大学 Preparation method for super-hydrophobic surface with bionic micro-nano composite structure

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103703085A (en) * 2011-01-19 2014-04-02 哈佛学院院长等 Slippery liquid-infused porous surfaces and biological applications thereof
CN103276429A (en) * 2013-06-24 2013-09-04 哈尔滨工业大学 Preparation method of aluminum or aluminum alloy super-hydrophobic surface
CN105413994A (en) * 2015-12-15 2016-03-23 大连理工大学 Preparation method for super-hydrophobic surface with bionic micro-nano composite structure

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107311471A (en) * 2017-07-14 2017-11-03 昆明理工大学 A kind of preparation method of the smooth porous surface of glass
CN107857895A (en) * 2017-11-27 2018-03-30 北京航空航天大学 A kind of preparation method of the super lubrication boundary material of temperature-responsive
CN107857895B (en) * 2017-11-27 2020-09-18 北京航空航天大学 Preparation method of super-lubricating interface material with temperature responsiveness
CN108996511A (en) * 2018-06-29 2018-12-14 湖北大学 A method of automatic circulating floating dive campaign in water is realized based on super-hydrophobic and superslide surface bubble trap device
CN109849378A (en) * 2019-03-20 2019-06-07 江南大学 A kind of preparation method of the self-lubricating surface of bionical anti-detergent adherency
CN114031798A (en) * 2021-11-22 2022-02-11 南方科技大学 Nano-mesh lyophobic film and preparation device and preparation method thereof
CN116618268A (en) * 2023-05-26 2023-08-22 吉林大学 Super-smooth surface and preparation method thereof

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