CN110340536A - A kind of laser treatment prepares the method and device of anti-fouling anti-drag material - Google Patents
A kind of laser treatment prepares the method and device of anti-fouling anti-drag material Download PDFInfo
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- CN110340536A CN110340536A CN201910655797.1A CN201910655797A CN110340536A CN 110340536 A CN110340536 A CN 110340536A CN 201910655797 A CN201910655797 A CN 201910655797A CN 110340536 A CN110340536 A CN 110340536A
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
- B23K26/04—Automatically aligning, aiming or focusing the laser beam, e.g. using the back-scattered light
- B23K26/046—Automatically focusing the laser beam
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/36—Removing material
- B23K26/362—Laser etching
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/70—Auxiliary operations or equipment
- B23K26/702—Auxiliary equipment
Abstract
The invention belongs to technical field of laser processing, disclose the method and device that a kind of laser treatment prepares anti-fouling anti-drag material, device mainly includes picosecond laser emitting module, femtosecond laser emitting module and scanning focused component, femtosecond laser emitting module makes material surface to be processed form the micro-nano mixed structure with ultra-hydrophobicity for emitting femtosecond laser；Picosecond laser emitting module makes the material surface to be processed form super hydrophilic region for emitting picosecond laser.The present invention passes through the structure and its set-up mode to component each in device, and respective handling method etc. improves, super hydrophilic-super-hydrophobic (or hydrophilic-super-hydrophobic, hydrophobic-super-hydrophobic) material surface pattern is formed using the comprehensive function of picosecond laser and femtosecond laser, realize compound wellability, the resistance of material to be processed in water can be reduced, play the role of antifouling simultaneously, can effectively solve the problem that the problems such as Conventional electrochemical caustic solution cannot achieve micro-nano structure and the big environmental pollution of compound wellability.
Description
Technical field
The invention belongs to technical field of laser processing, prepare anti-fouling anti-drag material more particularly, to a kind of laser treatment
Method and device, can be realized the preparation of surface soiling draft reduction material.
Background technique
Dirt with the raising to submarine navigation device performance requirement and to the attention of environmental protection, in aircraft underwater navigation
Dye and frictional dissipation are increasingly valued by people, and how anti-fouling anti-drag has also gradually become a popular project.It is antifouling to subtract
The purpose of resistance research is to reduce pollution and frictional resistance suffered when aircraft moves in water, reduces energy consumption, mention
The speed of a ship or plane and service life of high sail body.Currently, various anti-fouling anti-drag theory and methods continue to bring out, wherein using having spy
The material of different wellability makees anti-fouling anti-drag material and is particularly subject to pay close attention to.Material with special wellability refers mainly to super-hydrophobic and super
Water wetted material, both functional materials all have respective advantage and defect in terms of anti-fouling anti-drag.Super hydrophobic material is to utilize
The hydrophobic property of its own is flooded with a large amount of gas between solid-liquid contact face, reduces solid-liquid contact face, and rub using gas-liquid
It wipes and is far smaller than solid-liquid friction feature, to reduce frictional resistance, to reach antifouling, and the purpose with drag-reduction effect.But
It is that on the other hand, the hydrophobic effect of super hydrophobic material also results in the separation in advance of liquid, causes shock wave, increase pressure drag,
It even will lead to drag overall increase under certain conditions.And for super hydrophilic material, although due to its suction-operated meeting to water
Increase frictional resistance suffered by object and absorption spot, but since its water-wet behavior can be good at steady flow condition, in special item
Be conducive to the reducing effect of drag overall under part instead.Due to simple super hydrophilic or super hydrophobic material all have respective advantage with
And therefore how limitation plays the respective advantage of both functional materials and inhibits respective disadvantage, organically by the two advantage
Combine, forms a kind of contact area that should guarantee to reduce water and works, keep the stabilization in flow field, water and structure again
The micro-nano structure of the compound wetting property of the hydrophobe that object is not completely separated, thus obtain can antifouling and drag reduction the effect of,
It is the technical bottleneck for solving this problem.
The upper structure for realizing special wetting property is usually to be prepared by micro-/mixed structure of receiving, and pass on the surface of the material
System method prepares special wellability material mainly by way of electrochemical corrosion.Electrochemical etching method is due to preparing precision
Difference, resolution ratio is low, thus can only carry out single wellability to material surface and handle, and can not generate the compound infiltration of required hydrophobe
The micro-nano structure of property.In addition, the method for this electrochemical corrosion can also generate a large amount of chemical waste, discharge can cause environment
Pollution.Therefore, the micro-nano structure with the compound wetting property of hydrophobe how is prepared, is another technology for solving this problem
Bottleneck.
Summary of the invention
For the defect or Improvement requirement of the above prior art, the purpose of the present invention is to provide a kind of preparations of laser treatment
The method and device of anti-fouling anti-drag material passes through the structure and its set-up mode to component each in device, the entirety of processing method
Flow process design etc. improve, using the comprehensive function of picosecond laser and femtosecond laser formed it is super-hydrophobic with it is super hydrophilic alternate
Material surface pattern (that is, super hydrophilic-super hydrophobic surface pattern；It can certainly be formed hydrophilic-super-hydrophobic or hydrophobic-super thin
Water), it can effectively solve the problem that Conventional electrochemical caustic solution cannot achieve super hydrophilic-super-hydrophobic compound infiltration compared with prior art
The problems such as micro-nano structure of property and big environmental pollution.It, can be for example by super-hydrophobicity using the device and method in the present invention
Energy structure and super hydrophilicity structure are prepared on same material surface with certain permutation and combination method, form a kind of compound leaching
The anti-fouling anti-drag functional material of lubricant nature had both retained the hydrophobic characteristic of super hydrophobic material, kept antifouling and good friction drag reduction
Ability, and the water-wet behavior of super hydrophilic material can be utilized, steady flow condition finally realizes efficient, stable anti-fouling anti-drag surface
Function.
To achieve the above object, according to one aspect of the present invention, it provides a kind of laser treatment and prepares anti-fouling anti-drag material
The device of material, which is characterized in that including picosecond laser emitting module, femtosecond laser emitting module, scanning focused component and load
Object workbench, wherein the platform is used to place the material to be processed (10) of pending anti-fouling anti-drag processing；
The femtosecond laser emitting module include femto-second laser (1) and be used cooperatively with the femto-second laser (1)
One beam-expanding collimation mirror (3), for emitting femtosecond laser beam, which expands the femto-second laser (1) by described first
Beam collimating mirror (3) and guide-lighting mirror (5,6) are incident on the scanning focused component, and focus on institute by the scanning focused component
It states on material to be processed (10), makes this wait locate for carrying out the processing of femtosecond laser scanning plasma etching to the material (10) to be processed
Reason material (10) surface forms the micro-nano mixed structure (20) for meeting ultra-hydrophobicity needs；
The picosecond laser emitting module include picosecond laser (2) and be used cooperatively with the picosecond laser (2)
Two beam-expanding collimation mirrors (4), for emitting picosecond laser beam, which expands the picosecond laser (2) by described second
Beam collimating mirror (4) and guide-lighting mirror (5,6) are incident on the scanning focused component, and focus on institute by the scanning focused component
It states on material to be processed (10), makes this wait locate for carrying out picosecond laser scanning machining moditied processing to the material (10) to be processed
It manages material (10) surface and forms hydrophobic region or hydrophilic region or super hydrophilic region；
Using femtosecond laser beam or picosecond laser beam to the single treatment of material to be processed (10), or utilize femtosecond laser
The integrated treatment of beam and picosecond laser beam to material to be processed (10), can make material to be processed (10) surface formed it is hydrophobic with it is super
Hydrophobic alternate hydrophobic-super-hydrophobic pattern perhaps forms hydrophilic and super-hydrophobic alternate hydrophilic-super-hydrophobic pattern or is formed
Super hydrophilic and super-hydrophobic alternate super hydrophilic-super-hydrophobic pattern, and then reduce the resistance of material (10) to be processed in water, together
When play the role of it is antifouling.
As present invention further optimization, the femtosecond laser emitting module and the picosecond laser emitting module are shared
A pair of of leaded light mirror (5,6) remembers that this pair of guide-lighting mirror (5,6) is respectively the first guide-lighting mirror (5) and the second guide-lighting mirror (6), laser beam
It successively is incident on the scanning focused component by the described first guide-lighting mirror (5) and the second guide-lighting mirror (6), by adjusting institute
Stating the first guide-lighting mirror (5) and can be realized the scanning focused component is access femtosecond laser beam optical path or access picosecond laser beam
The switching of optical path；
Preferably, the scanning focused component includes scanning galvanometer, field mirror and Z axis mobile mechanism (9), the scanning
For the cooperation of both galvanometer and the field mirror for being scanned focusing to laser beam, the Z axis mobile mechanism (9) is then used for band
The scanning galvanometer and the field mirror is moved to be moved integrally along Z-direction to control laser beam focus points in the Z-axis direction
Position；
Preferably, the Z axis mobile mechanism (9) is also used to drive the described second guide-lighting mirror (6) along the synchronous shifting of Z-direction
It is dynamic.
As present invention further optimization, the laser of the femto-second laser (1) and the picosecond laser (2) the two
Exit portal is oppositely arranged；
The platform is specially three-dimensional working platform, for placing and driving the material to be processed (10) mobile,
Adjust the spatial position of the material to be processed (10)；
Dust sucting pipeline (12) and protection gas nozzle (13) are additionally provided with above the platform, wherein the suction
Dirt pipeline (12) is used to remove the waste that material to be processed (10) laser treatment process generates, the protection gas nozzle (13)
Then for transmitting protective gas to material (10) surface to be processed.
It is another aspect of this invention to provide that the present invention provides a kind of method that laser treatment prepares anti-fouling anti-drag material,
It is characterized in that, this method with the non-thin material of the non-parent of non-hydrophobic property and non-hydrophilic be object to be processed, specifically include following
Step:
(1) femtosecond laser scans etching processing: carrying out femtosecond laser scanning to the object to be processed using femtosecond laser
Lithography processing makes the subject surface to be processed form the micro-nano mixed structure for meeting ultra-hydrophobicity needs；
(2) formation of super hydrophobic surface: in its micro-nano of object to be processed mixing described by the step (1) treated
Body structure surface deposits low-surface-energy material, so that the subject surface to be processed be made to form ultra-hydrophobicity surface；Wherein, described low
Its surface free energy of surface-energy material is lower than the surface free energy of water；
(3) picosecond laser scans moditied processing: using picosecond laser to the ultra-hydrophobicity of the object to be processed
Surface carries out picosecond laser scanning machining moditied processing, make the subject surface to be processed formed hydrophobic region or hydrophilic region or
Thus super hydrophilic region makes the subject surface to be processed ultimately form hydrophobic and super-hydrophobic alternate hydrophobic-super-hydrophobic pattern,
Perhaps formed it is hydrophilic with super-hydrophobic alternate hydrophilic-super-hydrophobic pattern or formed it is super hydrophilic with it is super-hydrophobic it is alternate it is super hydrophilic-
Super-hydrophobic pattern, and then reduce the resistance of object to be processed in water, while bringing anti-fouling effect, to be prepared antifouling
Draft reduction material.
Another aspect according to the invention, the present invention provides a kind of method that laser treatment prepares anti-fouling anti-drag material,
It is characterized in that, this method with hydrophobic material be object to be processed, specifically includes the following steps:
(1) femtosecond laser scans etching processing: carrying out femtosecond laser scanning to the object to be processed using femtosecond laser
Lithography processing makes the subject surface to be processed form the micro-nano mixed structure with ultra-hydrophobicity, this has super-hydrophobic
Micro-nano mixed structure, that is, ultra-hydrophobicity surface of performance；
(2) picosecond laser scans moditied processing: using picosecond laser to the ultra-hydrophobicity of the object to be processed
Surface carries out picosecond laser scanning machining moditied processing, make the subject surface to be processed formed hydrophobic region or hydrophilic region or
Thus super hydrophilic region makes the subject surface to be processed ultimately form hydrophobic and super-hydrophobic alternate hydrophobic-super-hydrophobic pattern,
Perhaps formed it is hydrophilic with super-hydrophobic alternate hydrophilic-super-hydrophobic pattern or formed it is super hydrophilic with it is super-hydrophobic it is alternate it is super hydrophilic-
Super-hydrophobic pattern, and then reduce the resistance of object to be processed in water, while bringing anti-fouling effect, to be prepared antifouling
Draft reduction material.
It is another aspect of this invention to provide that the present invention provides a kind of method that laser treatment prepares anti-fouling anti-drag material,
It is characterized in that, this method with hydrophilic material be object to be processed, specifically includes the following steps:
(1) femtosecond laser scans etching processing: carrying out femtosecond laser scanning to the object to be processed using femtosecond laser
Lithography processing makes the subject surface to be processed form the micro-nano mixed structure for meeting ultra-hydrophobicity needs；
(2) formation of super hydrophobic surface: in its micro-nano of object to be processed mixing described by the step (1) treated
Body structure surface deposits low-surface-energy material, so that the subject surface to be processed be made to form ultra-hydrophobicity surface；Wherein, described low
Its surface free energy of surface-energy material is lower than the surface free energy of water；
(3) picosecond laser scans moditied processing: using picosecond laser to the ultra-hydrophobicity of the object to be processed
Surface carries out picosecond laser scanning machining moditied processing, make the subject surface to be processed formed hydrophobic region or hydrophilic region or
Thus super hydrophilic region makes the subject surface to be processed ultimately form hydrophobic and super-hydrophobic alternate hydrophobic-super-hydrophobic pattern,
Perhaps formed it is hydrophilic with super-hydrophobic alternate hydrophilic-super-hydrophobic pattern or formed it is super hydrophilic with it is super-hydrophobic it is alternate it is super hydrophilic-
Super-hydrophobic pattern, and then reduce the resistance of object to be processed in water, while bringing anti-fouling effect, to be prepared antifouling
Draft reduction material.
As present invention further optimization, the hydrophobic region is specially hydrophobic point, hydrophobic thread or hydrophobic surface；The parent
Water area is specially hydrophilic point, hydrophilic thread or hydrophilic surface；The super hydrophilic region is specially super hydrophilic point, super hydrophilic line or super close
The water surface.
Another aspect according to the invention, the present invention provides a kind of method that laser treatment prepares anti-fouling anti-drag material,
It is characterized in that, this method with hydrophobic material be object to be processed, specifically includes the following steps:
Femtosecond laser scans etching processing: carrying out femtosecond laser scanning etching to the object to be processed using femtosecond laser
Working process makes the subject surface to be processed form the micro-nano mixed structure with ultra-hydrophobicity, this has ultra-hydrophobicity
Micro-nano mixed structure, that is, ultra-hydrophobicity surface；
And unprocessed surface then still shows as hydrophobicity；By the component and arrangement that design hydrophobic surface and super-hydrophobic face
Mode obtains hydrophobic, the superhydrophobic pattern that meet expected setting, or by reserving certain point in the super-hydrophobic region in processing district
Thus the hydrophobic region of cloth makes the subject surface to be processed ultimately form super-hydrophobic and hydrophobic alternate pattern, and then reduces
The resistance of object to be processed in water, while anti-fouling effect is brought, so that anti-fouling anti-drag material be prepared.
It is another aspect of this invention to provide that the present invention provides a kind of method that laser treatment prepares anti-fouling anti-drag material,
It is characterized in that, this method with hydrophily or the non-thin material of non-parent for object to be processed, specifically includes the following steps:
Femtosecond laser scans etching processing: carrying out femtosecond laser scanning etching to the object to be processed using femtosecond laser
Working process, after forming micro-nano structure on previously selected region on the surface of the material, using low-surface-energy reagent to material surface
Entirety is handled, and so that the subject surface to be processed is formed the micro-nano mixed structure with ultra-hydrophobicity, this has super-hydrophobic
Micro-nano mixed structure, that is, ultra-hydrophobicity surface of performance；Wherein, its surface free energy of the low-surface-energy material is lower than water
Surface free energy；
And the surface region without femtosecond laser processing shows as hydrophobicity due to the effect of the low-surface-energy reagent；It is logical
The component and arrangement mode for crossing design hydrophobic surface and super-hydrophobic face obtain hydrophobic, the superhydrophobic pattern that meet expected setting, or
By reserving the hydrophobic region being centainly distributed in the super-hydrophobic region in processing district, thus make the subject surface to be processed final
Super-hydrophobic and hydrophobic alternate pattern is formed, and then reduces the resistance of object to be processed in water, while bringing anti-fouling effect,
To which anti-fouling anti-drag material be prepared.
As present invention further optimization, the hydrophobic region is specially hydrophobic point, hydrophobic thread or hydrophobic surface.
Contemplated above technical scheme through the invention, compared with prior art, to prepare special compound wellability
Anti-fouling anti-drag functional material provides a kind of new approaches, correlation method and device, and using ultrafast laser, (picosecond laser and femtosecond swash
Light) processing have high efficiency, high-precision, high-resolution, flexibility degree be high, non-contact, adaptability for materials by force, cleanliness without any pollution
The features such as, as laser light source, using scanning focused component (such as three-dimensional high-speed scanning galvanometer) and platform (such as three-dimensional work
Make platform) combination it is prepared by material surface, can accurately control the hydrophilic, hydrophobic branch's ratio in area to be machined, shape on the surface of the material
Looks, period and arrangement mode, especially can produce on a microscopic scale ordered arrangement super hydrophilic structure and super-hydrophobic knot
Structure is (that is, super hydrophilic-super-drainage structure；It is of course also possible to be hydrophilic-super-drainage structure, hydrophobic-super-drainage structure), and then shape
At compound wellability micro-nano structure, the contact surface of material surface and water can be reduced with water and obtain by making the table material under water
Stable interface flow field is obtained, guidance liquid flowing reaches the application effect of anti-fouling anti-drag, is particularly applicable to submarine navigation device
Surface treatment.
Processing unit in the present invention includes simultaneously femtosecond laser emitting module and picosecond laser emitting module, femtosecond laser
Emitting module carries out at femtosecond laser scanning plasma etching material to be processed for emitting femtosecond laser, using femtosecond laser
Reason can make material surface form the micro-nano mixed structure with ultra-hydrophobicity；And picosecond laser emitting module is for emitting
Picosecond laser scans direct write moditied processing using picosecond laser, can be formed on the surface of the material with super hydrophilic region；Therefore,
Integrated treatment using femtosecond laser beam and picosecond laser beam to material to be processed can be such that material surface to be processed is formed super thin
Water is with super hydrophilic alternate pattern (it is of course also possible to using femtosecond laser beam or picosecond laser beam to the single of material to be processed
Processing forms hydrophilic-super-drainage structure, hydrophobic-super-drainage structure), and then reduce the resistance of material to be processed in water, together
When play the role of it is antifouling.Also, for the material to be processed of different hydrophobicitys, hydrophily type, the present invention is furthermore provided
Their specific processing method, it is ensured that efficiently material surface to be processed formed it is super-hydrophobic with super hydrophilic alternate pattern,
Hydrophilic and super-hydrophobic alternate pattern or hydrophobic and super-hydrophobic alternate pattern.
Compared to the characteristic of super hydrophobic material, the compound wellability material of this method and device preparation is had the advantage that
1. clean and environmental protection is pollution-free: preparing super hydrophobic material for traditional chemical routes, this method utilizes ultrafast laser pair
Material surface carries out the scanning of ad hoc fashion, and without any chemical etching technology, the low-surface-energy reagent utilized in technique is matched
It uses, therefore prepares clean environment environmental protection without any chemical waste during the preparation process, using energy source is efficient；
2. efficient drag reduction capability: due to the hydrophobic performance of traditional super hydrophobic material, although theoretically can reduce solid
Liquid frictional force, but generally liquid can be made to be detached from advance with solid, so that pressure drag is promoted, to a certain extent may
Drag overall can be made to increase.And the present invention designs the compound wellability material of preparation, utilizes hydrophilic point, line or the face on micro-meter scale
Micro-nano mixed structure can play the effect for preventing fluid from being detached from too early, while can also utilize special distribution form, micro-
The hydrodynamic characteristic for optimizing material on metrical scale, obtains more preferable, more stable anti-fouling anti-drag effect；
3. flexibly controllable: the characteristics of due to ultrafast laser machining high-precision and resolution ratio, and the prior art has revealed that
They have the characteristics that high-intelligentization, and preparation method involved in the present invention and equipment can do phase according to the different demands of material
It should adjust, i.e., by accurately controlling the period of micro-nano structure, scale and distribution form etc. obtain meeting different property need
The material asked.
4. not limited by material: due to the good characteristic of ultrafast laser, as long as by Reasonable Regulation And Control laser processing parameter, just
Micro-nano technology processing (metal, nonmetallic, organic material etc.) can be carried out for different materials.If material itself is as hydrophobic
Material, then only need laser scanning etch to form micro-nano mixed structure and laser scanning direct write modify to be formed super hydrophilic region this
Compound wellability material can be prepared in two steps；If material manifests themselves as hydrophilic, can be tried by low-surface-energy chemistry
Dosage form handled at this low-surface-energy of low-surface-energy sedimentary and in certain proportion, pattern, period and arrangement mode it is high
Fast ultrafast laser scanning direct write modification, finally obtains compound wellability material.Only need laser processing for different materials
Parametrization is realized " a tractor serves several purposes ".
By taking super-hydrophobic-super hydrophilic pattern as an example, due to the characteristic of ultrafast laser scanning controllable precise, in the base of super-hydrophobicity
The compound wellability structure of induced synthesis has height intelligence controllability on bottom material surface, can be super hydrophilic by rationally controlling
The period in line or face, scale and distribution form are finally reached on micro-meter scale and accurately control super hydrophobe micro-nano structure
Trend, and then the mechanical characteristic in microcosmic upper control water, achieve the effect that drag reduction；On the other hand, and because of material entirety
Super-hydrophobic processing, so that material is macroscopically showing as super-hydrophobicity, so have good anti-fouling effect.Utilize the above two
The combination of aspect characteristic finally makes material have the characteristic of anti-fouling anti-drag.
The means that tradition prepares super hydrophobic material are mainly chemical method, prepare superhydrophobic microstructure using chemical method,
Its structure precision is not high, can only describe microstructure from angle of statistics, be unable to accurately control the scale of structure, pattern and row
Column mode etc..Simultaneously as being that whole surface is handled when chemical method finished surface, hydrophilic, hydrophobic constituency cannot achieve
Processing.And the present invention is prepared using ultrafast laser (picosecond laser and femtosecond laser) when having super hydrophilic, hydrophobic material, is made full use of
The characteristics of ultrafast laser high-precision, high controllability, the combination of hydrophilic, hydrophobic structure is realized on micro-meter scale, and pass through arrangement
Combination forms different patterns, can be realized the guiding function to water flow, solving traditional super hydrophobic material cannot achieve drag reduction
The drawbacks of effect.
The present invention using ultrafast laser as picosecond or femtosecond laser, on the one hand provide higher machining accuracy, another party
Face also avoids the appearance of fuel factor；For forming super hydrophilic region using picosecond laser, picosecond laser is with higher to be added
Work precision is also avoided that fuel factor, while being also avoided that the influence in process to non-hydrophilic area.The present invention is swashed using femtosecond
Light forms micro-nano mixed structure (the micro-nano mixed structure, that is, existing characteristics scale is several microns and arrives for meeting ultra-hydrophobicity needs
Tens microns of primary structure and characteristic dimension is the secondary structure of dozens to a few hundred nanometers)；When material to be processed itself has
When standby hydrophobicity, then super-hydrophobicity (obtaining the micro-nano mixed structure with ultra-hydrophobicity) can be directly showed after processing；If
Material itself does not have hydrophobicity, then low-surface-energy can be cooperated to handle, and being formed in material surface to be processed has super-hydrophobicity
The micro-nano mixed structure of energy.Low-surface-energy material in the present invention refers to that theoretically surface free energy is lower than the surface free energy of water
The material of (72mN/m), surface can be lower, and effect is better；Certainly, film layer cannot destroy original micro-nano structure.
Detailed description of the invention
Fig. 1 is provided for the present invention and is equipped schematic diagram in the micro-nano mixed structure that material overall surface prepares ultra-hydrophobicity.
Fig. 2 is the micro-nano mixed structure schematic diagram that material overall surface laser prepares ultra-hydrophobicity.
Fig. 3 is that layered low-surface energy chemical reagent film signal is sprayed on the micro-nano mixed structure for preparing ultra-hydrophobicity
Figure.
Fig. 4 is provided for the present invention and is equipped schematic diagram in the micro-nano mixed structure that material overall surface prepares super hydrophilicity.
Fig. 5 is one of compound wellability micro-nano mixed structure form.
Fig. 6 is the two of compound wellability micro-nano mixed structure form.
Fig. 7 is the three of compound wellability micro-nano mixed structure form.
The meaning of each appended drawing reference is as follows in figure: 1 is femto-second laser, and 2 be picosecond laser, and 3 and 4 are beam-expanding collimation
(wherein, 3 be the first beam-expanding collimation mirror to mirror, is used cooperatively with femto-second laser；4 be the second beam-expanding collimation mirror, with picosecond laser
With the use of), 5 and 6 be guide-lighting mirror, and 7 be three-dimensional high-speed scanning galvanometer, and 8 be telecentric scanning field lens, and 9 be Z axis mobile mechanism,
10 be material to be prepared (that is, material to be processed), and 11 be three-dimensional working platform, and 12 be dust sucting pipeline, and 13 be protection gas nozzle, and 20 be micro-
Receive mixed structure, 21 be ultra-hydrophobicity surface, and 22,23,24 be respectively super hydrophilic point, super hydrophilic line, super hydrophilic face (according to adding
Work mode is different, is also possible to hydrophobic, hydrophilic point, line, surface).
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.As long as in addition, technical characteristic involved in the various embodiments of the present invention described below
Not constituting a conflict with each other can be combined with each other.
Based on the present invention, on the whole, compound wellability micro-nano knot is prepared in the material surface for not having ultra-hydrophobicity
Structure method, comprising the following steps:
1. utilizing ultrafast laser, lithography is scanned by three-dimensional high-speed scanning galvanometer on the surface of the material, in material
Overall surface prepares the micro-nano mixed structure of ultra-hydrophobicity；
2. carrying out special low-surface-energy processing (such as to material surface micro-nano mixed structure using low-surface-energy chemical reagent
Spraying, PVD, CVD etc.) so that forming a layered low-surface energy sedimentary on the surface of the material, obtain the substrate material of ultra-hydrophobicity
Material；
3. ultrafast laser is recycled to carry out on the substrate material surface of super-hydrophobicity selectively, in certain proportion, shape
Looks, period and the modification of arrangement mode high-velocity scanning direct write, in the super hydrophilic point of super hydrophobic surface again induced synthesis, line or face,
To obtain the super close and distant alternate micro-nano mixed structure of specific distribution, a kind of compound wellability micro-nano mixed structure is formed, together
Reason can prepare it is super-hydrophobic with it is hydrophobic alternate or super-hydrophobic alternate meet wellability micro-nano mixed structure with hydrophilic.
Compound wellability micro-nano structure method is prepared in the base material itself with hydrophobic performance, due to base material sheet
Body shows as hydrophobicity, therefore only needs first and third step, and second step can be ignored: i.e.: using ultrafast laser with hydrophobic
The substrate material surface of property, is scanned lithography by three-dimensional high-speed scanning galvanometer, in material entirety table on the surface of the material
Wheat flour for ultra-hydrophobicity micro-nano mixed structure；Then recycle ultrafast laser on ultra-hydrophobicity surface with certain ratio
Example, pattern, period and arrangement mode carry out selectively high-velocity scanning direct write and modify, in super hydrophobic surface again induced synthesis
Super hydrophilic point, line or face form a kind of compound wellability to obtain the super close and distant alternate micro-nano mixed structure of specific distribution
Micro-nano mixed structure.
Compound wellability micro-nano structure method is prepared in the base material itself with hydrophilicity: needing not move through the first step
Processing, directly by the processing of the low-surface-energy of second step and third step in certain proportion, pattern, period and arrangement mode height
Fast ultrafast laser scanning direct write modification, finally obtains compound wellability material.
Fig. 1 is provided prepares compound wellability micro-nano structure device on the surface of the material, mainly by femto-second laser 1, picosecond swash
2, two beam-expanding collimation mirrors 3 and 4 of light device, two guide-lighting mirrors 5 and 6, three-dimensional high-speed scanning galvanometer 7, telecentric scanning field lens 8, Z axis move
Motivation structure 9 and three-dimensional working platform 11 form, and preferably setting dust sucting pipeline 12 and protection gas nozzle 13.Material 10 to be prepared is fixed
On 11 surface of three-dimensional working platform.Do not have the specific reality that ultra-hydrophobicity prepares compound wellability micro-nano structure on the surface of the material
Applying step is: first starting femto-second laser 1, the laser beam of output is after the amplification collimation of beam-expanding collimation mirror 3, then passes through guide-lighting mirror 5
With 6, it is input to three-dimensional high-speed scanning galvanometer 7, through telecentric scanning field lens 8 and Z axis mobile mechanism 9 is adjusted, makes the laser beam of output
The surface of material 10 to be prepared is focused on, and is cooperated with three-dimensional working platform, large area high-velocity scanning lithography is carried out, in material
Overall surface prepares the micro-nano mixed structure 20 (as shown in Figure 2) of ultra-hydrophobicity.To complete to prepare compound wellability micro-nano
The structure first step.
Laser is prepared the smog dust generated in 10 treatment process of material and siphoned away by settable dust sucting pipeline 12 simultaneously, is gone forward side by side
One step, to 10 surface transport protective gas of material (such as nitrogen, argon gas), avoids material surface from existing by setting protection gas nozzle 13
It is contaminated in laser preparation process.
Then one layer of spraying is low on the micro-nano mixed structure 20 of the ultra-hydrophobicity of 10 surface femtosecond laser of material preparation
Surface energy chemical reagent film (such as PFOTS, PDMS), obtains the base material of ultra-hydrophobicity.Finally, by laser preparing apparatus
In guide-lighting mirror 3 overturn 90o (as shown in Figure 4), starting picosecond laser 2, the laser beam of output amplifies standard through beam-expanding collimation mirror 4
After straight, then by guide-lighting mirror 5 and 6, it is input to three-dimensional high-speed scanning galvanometer 7, through telecentric scanning field lens 8 and adjusts Z axis moving machine
Structure 9 makes the laser beam focus of output to the ultra-hydrophobicity surface 21 of material 10 to be prepared, and cooperates with three-dimensional working platform, into
Row selectivity, in certain proportion, pattern, the period and arrangement mode high-velocity scanning direct write modification, super hydrophobic surface again
The super hydrophilic point 22 (see Fig. 5) of induced synthesis, super hydrophilic line 23 (see Fig. 6) or super hydrophilic face 24 (see Fig. 7), or other ratios,
Pattern, period and arrangement mode are formed a kind of compound to obtain the super close and distant alternate micro-nano mixed structure of specific distribution
Wellability micro-nano mixed structure.
In base material itself there is hydrophobicity to prepare compound wellability micro-nano structure method:
Since base material itself shows as hydrophobicity, therefore only need to pass through three-dimensional high-speed scanning using femto-second laser
Galvanometer simultaneously cooperates with three-dimensional working platform, is scanned lithography on the surface of the material, is prepared as on base material 10 super-hydrophobic
The micro-nano mixed structure of performance can be obtained ultra-hydrophobicity surface 21 shown in Fig. 3.Then, recycle picosecond laser super
On hydrophobic performance surface 21 in certain proportion, pattern, period and arrangement mode carry out selectively high-velocity scanning direct write and repair
Decorations, in the super hydrophilic point 22 (Fig. 5) of super hydrophobic surface again induced synthesis, super hydrophilic line 23 (Fig. 6) or super hydrophilic face 24 (Fig. 7),
To obtain the super close and distant alternate micro-nano mixed structure of specific distribution, a kind of compound wellability micro-nano mixed structure is formed.
It is processed due to being related to combining super hydrophilic, super-drainage structure on micro-meter scale in process
The Cheng Zhongyou following considers: firstly the need of guarantee geometric scale and precision；Secondly, needing to avoid thermal effect as far as possible in process
It answers；Third is related to the mutation in hydrophilic, hydrophobic region.Therefore the present invention selects ultrafast laser as light source for processing.In process,
It needs to keep lower energy density and higher processing speed, to avoid fuel factor.During etching micro-structure, need
Higher power density is wanted to guarantee the precision and quality of lithography, and during surface modification, need lower energy
Amount, prevents machined structure from being etched and being destroyed again.
In order to enable femtosecond laser to obtain the desired micro-nano mixed structure with ultra-hydrophobicity, machined parameters can be with
It is adjusted according to material to be processed and process requirements, as long as can be ensured that 1. high-peak powers；2. small light spot diameter；3. low-heat
The zone of influence.Super hydrophilic region is formed using picosecond laser, mainly there are 2 kinds of origin causes of formation: the low surface energy film on 1. removal surfaces；2. swashing
Light directly acts on certain material surface, can greatly increase the surface free energy of material, so that surface exhibits are extremely strong hydrophilic
Property.Super hydrophilic region is formed using picosecond laser, is repaired since the formation of hydrophilic area is mainly modified existing micro-nano structure
Decorations, therefore it is required that: 1. low energy densities；2. the low-heat zone of influence can adjust skin according to machined material and actual processing demand
The machined parameters of second laser.
Example:
Example 1: compound wellability structure is prepared on copper product surface
It uses wavelength first as the femto-second laser of 1030nm, sets power as 80W, frequency 2MH, sweep speed is
5000mm/s focuses on copper product surface, opens dust sucting pipeline and protection gas nozzle, carries out high speed femtosecond laser etching to copper surface
Processing obtains the rough surface of micro-/ nano mixing；It is low in one layer of the roughened surface area surface deposition of micro-/ nano mixing later
Surface can chemical reagent PFOTS (perfluoro decyl trimethyl silane), 300 DEG C of hot settings in an oven after having deposited are surpassed
Hydrophobic surface；Finally use the picosecond laser that wavelength is 532nm with power 5W, frequency is 1MH, sweep speed 1000mm/s
Parameter under, open dust sucting pipeline and protection gas nozzle, to copper material super hydrophobic surface with diameter for 400 microns of dot pattern, circle
800 microns of spacing of point, period ratio is classified as 1 to the 100 hydrophilic modification of progress selectivity, so that being formed on original super hydrophobic surface micro-
The super hydrophilic region of particular arrangement and distribution on metrical scale, forms a kind of surface of compound wellability.It tests and surveys through anti-fouling anti-drag
The anti-fouling effect of examination, the copper surface of compound wellability processing is improved, water resistance decline about 10% or so.
Example 2: compound wellability structure is prepared on ptfe surface
It first uses wavelength for the femto-second laser of 355nm, sets power 50W, frequency 1MH, sweep speed 1000mm/s,
Ptfe surface is focused on, dust sucting pipeline and protection gas nozzle are opened, carries out quick femtosecond laser in ptfe surface
Lithography obtains micro-/ nano mixing rough surface.Since polytetrafluoroethylene (PTFE) itself has lower surface energy, therefore do not need
Low-surface-energy processing, can directly be further processed.Super hydrophilic modification directly is carried out to ptfe surface, is used instead
1064nm picosecond laser sets power 30W, frequency 2MH, sweep speed 2000mm/s, opens dust sucting pipeline and protection gas
Mouth, to polytetrafluoroethylene (PTFE) super hydrophobic surface with 30 microns of line width of straight-line pattern, period ratio is classified as 1 to 150 progress selectivity parent
Water modification, the super hydrophilic region of particular arrangement and distribution is obtained on micro-meter scale, ultimately forms a kind of compound wellability surface.
It tests and tests through anti-fouling anti-drag, the anti-fouling effect of the ptfe surface of compound wellability processing is fine, is placed on sea for a long time
In water, surface, water resistance decline about 25% or so are adsorbed on without any spot.
Example 3: compound wellability structure is prepared on the glass surface
It first uses wavelength for the femto-second laser of 355nm, sets power 10W, frequency 500kHz, sweep speed 200mm/s,
Focus on glass surface, open dust sucting pipeline and protection gas nozzle, carry out quick femtosecond laser etching in glass surface, obtain it is micro-/
Nanometer mixing rough surface.Layered low-surface energy chemistry examination is deposited on machining area surface after machining area surface again later
Agent PDMS (dimethyl silicone polymer), 300 DEG C of hot settings in an oven after having deposited, obtains super hydrophobic surface.Finally adopt again
With 355nm picosecond laser with power 5W, frequency 1MH, under the parameter of sweep speed 1000mm/s, to glass super hydrophobic surface
With 400 microns of line width of area pattern, period ratio is classified as 1 to the 200 hydrophilic modification of progress selectivity, and spy is obtained on micro-meter scale
The fixed hydrophilic region arranged and be distributed, ultimately forms a kind of surface of compound wellability.It tests and tests through anti-fouling anti-drag, compound leaching
The anti-fouling effect of the glass surface of lubricant nature processing is good, is put in the seawater for a long time, is adsorbed on surface almost without any spot,
Water resistance decline about 15% or so.
Example 4: compound wellability structure is prepared in aluminum alloy surface
It first uses wavelength for the femto-second laser of 355nm, sets power 5W, frequency 200kHz, sweep speed 200mm/s,
Glass surface is focused on, dust sucting pipeline and protection gas nozzle are opened, (i.e. constituency is carved by pre-designed specific processing graphic pattern
Erosion, reserves the blank of specific region) ultrafast femtosecond laser constituency etching is carried out in aluminum alloy surface, divided in a specific way
The micro-/ nano mixing rough surface of cloth.One layer of low surface is deposited on machining area surface after machining area surface again later
Can chemical reagent PFOTS (perfluoro decyl trimethyl silane), 300 DEG C of hot settings in an oven after having deposited, finished area
Domain is super-hydrophobic face, and the blank face reserved is hydrophobic surface, ultimately forms a kind of surface of compound wellability.Through anti-fouling anti-drag reality
The anti-fouling effect of test examination, the aluminum alloy surface of compound wellability processing is good, is put for a long time in the seawater, almost without any
Spot is adsorbed on surface, water resistance decline about 20% or so.
Example 5: compound wellability structure is prepared on a silicon surface
It first uses wavelength for the femto-second laser of 355nm, sets power 10W, frequency 2MH, sweep speed 2000mm/s,
Focus on silicon face, open dust sucting pipeline and protection gas nozzle, carry out quick femtosecond laser lithography in silicon face, obtain it is micro-/
Nanometer mixing rough surface.A layered low-surface energy chemical reagent is deposited on the roughened surface area surface of micro-/ nano mixing later
PFOTS (perfluoro decyl trimethyl silane), 300 DEG C of hot settings in an oven after having deposited, obtains super hydrophobic surface.To silicon table
Face carries out hydrophilic modification, uses 1064nm picosecond laser instead, sets power 15W, frequency 200kHz, sweep speed 1000mm/
S opens dust sucting pipeline and protection gas nozzle, and to silicon super hydrophobic surface with 15 microns of line width of straight-line pattern, period ratio is classified as 1 ratio
100 carry out the hydrophilic modification of selectivity, and the hydrophilic region of particular arrangement and distribution is obtained on micro-meter scale, ultimately form a kind of multiple
Close wellability surface.It tests and tests through anti-fouling anti-drag, the anti-fouling effect of the ptfe surface of compound wellability processing is fine,
It puts for a long time in the seawater, is adsorbed on surface, water resistance decline about 10% or so without any spot.
Example 6: compound wellability structure is prepared on aluminium foil surface
It uses wavelength first as the femto-second laser of 1064nm, sets power as 5W, frequency 20kH, sweep speed is
500mm/s focuses on aluminium foil surface, unlatching dust sucting pipeline and protection gas nozzle, carries out high speed femtosecond laser etching to copper surface and adds
Work obtains the rough surface of micro-/ nano mixing；One layer of low table is deposited on the roughened surface area surface of micro-/ nano mixing later
Face can chemical reagent PFOTS (perfluoro decyl trimethyl silane), 300 DEG C of hot settings in an oven after having deposited obtain super thin
Water surface；Finally use the picosecond laser that wavelength is 355nm with power 5W, frequency is 1MH, sweep speed 1000mm/s's
Under parameter, dust sucting pipeline and protection gas nozzle, the dot pattern for being 200 microns with diameter to copper material super hydrophobic surface, dot are opened
400 microns of spacing, period ratio is classified as 1 to the 200 hydrophilic modification of progress selectivity, so that forming micron on original super hydrophobic surface
The hydrophilic region of particular arrangement and distribution on scale forms a kind of surface of compound wellability.It tests and tests through anti-fouling anti-drag, it is multiple
The anti-fouling effect for closing the aluminium foil surface of wellability processing is improved, water resistance decline about 20% or so.
Picosecond laser, femtosecond laser in the present invention, in particular to, the laser that pulsewidth is 10 picoseconds to 200 picoseconds is skin
Second laser, pulsewidth is that the laser of 100 femtoseconds to 800 femtoseconds is femtosecond laser.Hydrophobicity, hydrophily in the present invention meet this
The usual definition in field, that is, if the surface tension of material surface is smaller than water (72mN/m), with hydrophobicity；If material
The surface tension on surface is bigger than water (72mN/m), then it is with hydrophily；Non-hydrophobic property and non-hydrophilic material in the present invention
Material, including some neutral materials, they are in hydrophilic and hydrophobic transition region, without obvious tendentiousness.In addition, super-hydrophobicity refers to
It is greater than 150 ° with water contact angle, Superhydrophilic refers to water contact angle less than 10 °, also meets usual definition.
As it will be easily appreciated by one skilled in the art that the foregoing is merely illustrative of the preferred embodiments of the present invention, not to
The limitation present invention, any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should all include
Within protection scope of the present invention.
Claims (10)
1. the device that a kind of laser treatment prepares anti-fouling anti-drag material, which is characterized in that including picosecond laser emitting module, femtosecond
Laser emission component, scanning focused component and platform, wherein the platform is pending antifouling for placing
The material to be processed (10) of drag reduction processing；
The femtosecond laser emitting module includes femto-second laser (1) and expands with the femto-second laser (1) is used cooperatively first
Beam collimating mirror (3), for the femto-second laser (1) for emitting femtosecond laser beam, which expands standard by described first
Straight mirror (3) and guide-lighting mirror (5,6) are incident on the scanning focused component, and by the scanning focused component focus on it is described to
It handles on material (10), makes the material to be processed for carrying out the processing of femtosecond laser scanning plasma etching to the material (10) to be processed
Material (10) surface forms the micro-nano mixed structure (20) for meeting ultra-hydrophobicity needs；
The picosecond laser emitting module includes picosecond laser (2) and expands with the picosecond laser (2) is used cooperatively second
Beam collimating mirror (4), for the picosecond laser (2) for emitting picosecond laser beam, which expands standard by described second
Straight mirror (4) and guide-lighting mirror (5,6) are incident on the scanning focused component, and by the scanning focused component focus on it is described to
It handles on material (10), makes the material to be processed for carrying out picosecond laser scanning machining moditied processing to the material (10) to be processed
Expect that (10) surface forms hydrophobic region or hydrophilic region or super hydrophilic region；
Using femtosecond laser beam or picosecond laser beam to the single treatment of material to be processed (10), or using femtosecond laser beam and
Integrated treatment of the picosecond laser beam to material to be processed (10), can make material to be processed (10) surface formed it is hydrophobic with it is super-hydrophobic
Alternate hydrophobic-super-hydrophobic pattern is perhaps formed hydrophilic super close with super-hydrophobic alternate hydrophilic-super-hydrophobic pattern or formation
Water and super-hydrophobic alternate super hydrophilic-super-hydrophobic pattern, and then reduce the resistance of material (10) to be processed in water, it rises simultaneously
To antifouling effect.
2. the device that laser treatment as described in claim 1 prepares anti-fouling anti-drag material, which is characterized in that the femtosecond laser hair
It penetrates component and the picosecond laser emitting module shares a pair of guide-lighting mirror (5,6), remember that this pair of guide-lighting mirror (5,6) is respectively first
Guide-lighting mirror (5) and the second guide-lighting mirror (6), laser beam successively passes through the described first guide-lighting mirror (5) and the second guide-lighting mirror (6) enters
It is mapped to the scanning focused component, can be realized the scanning focused component by adjusting the described first guide-lighting mirror (5) is access
Femtosecond laser beam optical path still accesses the switching of picosecond laser beam optical path；
Preferably, the scanning focused component includes scanning galvanometer, field mirror and Z axis mobile mechanism (9), the scanning galvanometer
With the cooperation of both field mirrors for being scanned focusings to laser beam, the Z axis mobile mechanism (9) is then used to drive institute
Scanning galvanometer and the field mirror is stated to move integrally along Z-direction to control the position of laser beam focus points in the Z-axis direction；
Preferably, the Z axis mobile mechanism (9) is also used to drive the described second guide-lighting mirror (6) along Z-direction synchronizing moving.
3. the device that laser treatment as described in claim 1 prepares anti-fouling anti-drag material, which is characterized in that the femto-second laser
(1) the laser emitting mouth with both picosecond lasers (2) is oppositely arranged；
The platform is specially three-dimensional working platform, for placing and driving the material to be processed (10) mobile, adjustment
The spatial position of the material to be processed (10)；
Dust sucting pipeline (12) and protection gas nozzle (13) are additionally provided with above the platform, wherein the sweep-up pipe
Road (12) is used to remove the waste that material to be processed (10) laser treatment process generates, and the protection gas nozzle (13) is then used
In transmitting protective gas to material (10) surface to be processed.
4. a kind of method that laser treatment prepares anti-fouling anti-drag material, which is characterized in that this method is with non-hydrophobic property and non-hydrophilic
Property the non-thin material of non-parent be object to be processed, specifically includes the following steps:
(1) femtosecond laser scans etching processing: carrying out femtosecond laser scanning etching to the object to be processed using femtosecond laser
Working process makes the subject surface to be processed form the micro-nano mixed structure for meeting ultra-hydrophobicity needs；
(2) formation of super hydrophobic surface: by its micro-nano mixed structure of the step (1) treated the object to be processed
Surface deposits low-surface-energy material, so that the subject surface to be processed be made to form ultra-hydrophobicity surface；Wherein, the low surface
Energy its surface free energy of material is lower than the surface free energy of water；
(3) picosecond laser scans moditied processing: using picosecond laser to the ultra-hydrophobicity surface of the object to be processed
Picosecond laser scanning machining moditied processing is carried out, the subject surface to be processed is made to form hydrophobic region or hydrophilic region or super close
Thus water area makes the subject surface to be processed ultimately form hydrophobic and super-hydrophobic alternate hydrophobic-super-hydrophobic pattern, or
Formed it is hydrophilic with super-hydrophobic alternate hydrophilic-super-hydrophobic pattern, or formed it is super hydrophilic with it is super-hydrophobic alternate super hydrophilic-super thin
Water pattern, and then reduce the resistance of object to be processed in water, while bringing anti-fouling effect, so that anti-fouling anti-drag be prepared
Material.
5. a kind of method that laser treatment prepares anti-fouling anti-drag material, which is characterized in that this method is wait locate with hydrophobic material
Object is managed, specifically includes the following steps:
(1) femtosecond laser scans etching processing: carrying out femtosecond laser scanning etching to the object to be processed using femtosecond laser
Working process makes the subject surface to be processed form the micro-nano mixed structure with ultra-hydrophobicity, this has ultra-hydrophobicity
Micro-nano mixed structure, that is, ultra-hydrophobicity surface；
(2) picosecond laser scans moditied processing: using picosecond laser to the ultra-hydrophobicity surface of the object to be processed
Picosecond laser scanning machining moditied processing is carried out, the subject surface to be processed is made to form hydrophobic region or hydrophilic region or super close
Thus water area makes the subject surface to be processed ultimately form hydrophobic and super-hydrophobic alternate hydrophobic-super-hydrophobic pattern, or
Formed it is hydrophilic with super-hydrophobic alternate hydrophilic-super-hydrophobic pattern, or formed it is super hydrophilic with it is super-hydrophobic alternate super hydrophilic-super thin
Water pattern, and then reduce the resistance of object to be processed in water, while bringing anti-fouling effect, so that anti-fouling anti-drag be prepared
Material.
6. a kind of method that laser treatment prepares anti-fouling anti-drag material, which is characterized in that this method is wait locate with hydrophilic material
Object is managed, specifically includes the following steps:
(1) femtosecond laser scans etching processing: carrying out femtosecond laser scanning etching to the object to be processed using femtosecond laser
Working process makes the subject surface to be processed form the micro-nano mixed structure for meeting ultra-hydrophobicity needs；
(2) formation of super hydrophobic surface: by its micro-nano mixed structure of the step (1) treated the object to be processed
Surface deposits low-surface-energy material, so that the subject surface to be processed be made to form ultra-hydrophobicity surface；Wherein, the low surface
Energy its surface free energy of material is lower than the surface free energy of water；
(3) picosecond laser scans moditied processing: using picosecond laser to the ultra-hydrophobicity surface of the object to be processed
Picosecond laser scanning machining moditied processing is carried out, the subject surface to be processed is made to form hydrophobic region or hydrophilic region or super close
Thus water area makes the subject surface to be processed ultimately form hydrophobic and super-hydrophobic alternate hydrophobic-super-hydrophobic pattern, or
Formed it is hydrophilic with super-hydrophobic alternate hydrophilic-super-hydrophobic pattern, or formed it is super hydrophilic with it is super-hydrophobic alternate super hydrophilic-super thin
Water pattern, and then reduce the resistance of object to be processed in water, while bringing anti-fouling effect, so that anti-fouling anti-drag be prepared
Material.
7. the method that the laser treatment as described in claim 4-6 any one prepares anti-fouling anti-drag material, which is characterized in that institute
Stating hydrophobic region is specially hydrophobic point, hydrophobic thread or hydrophobic surface；The hydrophilic region is specially hydrophilic point, hydrophilic thread or hydrophilic
Face；The super hydrophilic region is specially super hydrophilic point, super hydrophilic line or super hydrophilic face.
8. a kind of method that laser treatment prepares anti-fouling anti-drag material, which is characterized in that this method is wait locate with hydrophobic material
Object is managed, specifically includes the following steps:
Femtosecond laser scans etching processing: carrying out femtosecond laser scanning plasma etching to the object to be processed using femtosecond laser
Processing makes the subject surface to be processed form the micro-nano mixed structure with ultra-hydrophobicity, this has the micro- of ultra-hydrophobicity
Receive mixed structure i.e. ultra-hydrophobicity surface；
And unprocessed surface then still shows as hydrophobicity；Pass through the component and arrangement side in design hydrophobic surface and super-hydrophobic face
Formula obtains hydrophobic, the superhydrophobic pattern that meet expected setting, or by reserving certain distribution in the super-hydrophobic region in processing district
Hydrophobic region, thus ultimately form the subject surface to be processed super-hydrophobic with hydrophobic alternate pattern, and then reducing should
The resistance of object to be processed in water, while anti-fouling effect is brought, so that anti-fouling anti-drag material be prepared.
9. a kind of method that laser treatment prepares anti-fouling anti-drag material, which is characterized in that this method is dredged so that hydrophily or non-parent are non-
Material is object to be processed, specifically includes the following steps:
Femtosecond laser scans etching processing: carrying out femtosecond laser scanning plasma etching to the object to be processed using femtosecond laser
Processing, after forming micro-nano structure on previously selected region on the surface of the material, using low-surface-energy reagent to material surface entirety
It is handled, so that the subject surface to be processed is formed the micro-nano mixed structure with ultra-hydrophobicity, this has ultra-hydrophobicity
Micro-nano mixed structure, that is, ultra-hydrophobicity surface；Wherein, its surface free energy of the low-surface-energy material is lower than the surface of water
Free energy；
And the surface region without femtosecond laser processing shows as hydrophobicity due to the effect of the low-surface-energy reagent；By setting
The component and arrangement mode for counting hydrophobic surface and super-hydrophobic face obtain hydrophobic, the superhydrophobic pattern that meet expected setting, or pass through
The hydrophobic region being centainly distributed is reserved in the super-hydrophobic region in processing district, thus ultimately forms the subject surface to be processed
Super-hydrophobic and hydrophobic alternate pattern, and then reduce the resistance of object to be processed in water, while bringing anti-fouling effect, thus
Anti-fouling anti-drag material is prepared.
10. the method that the laser treatment as described in claim 8 or 9 prepares anti-fouling anti-drag material, which is characterized in that the hydrophobic region
Domain is specially hydrophobic point, hydrophobic thread or hydrophobic surface.
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