CN104212320B - A kind of bionical textured material with algae-resistant adhesion property and preparation method thereof - Google Patents
A kind of bionical textured material with algae-resistant adhesion property and preparation method thereof Download PDFInfo
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Abstract
The invention discloses a kind of bionical textured material with algae-resistant adhesion property and preparation method thereof, with natural materials such as the biological epidermis such as Carapax Eriocheir sinensis, Folium Nelumbinis or blades as template, select elastomer silicone as transition template, it is thus achieved that bionical texturing organosilicon-modified acrylic polyurethane anti-fouling material.The texturing nonpolluting coating using the inventive method to obtain has micron-sized projection or pit, projection or pit and has nanostructured, enhances the water droplet nonwetting character at material surface, so that fouling organism is also not easy attachment；Greatly reduce the contact area between fouling organism and bionical textured material simultaneously, make the attachment site of fouling organism reduce, thus be not easy attachment.The present invention utilizes nature biotechnology blade or epidermis to have natural antifouling properties, uses the microstructure characteristic on surface to carry out antifouling, does not produce natural environment and pollutes, is a kind of based on new approaches, the high-efficiency environment friendly anti-fouling material of new ideas.
Description
Technical field
The present invention relates to marine anti-pollution technical field, particularly relate to a kind of there is algae-resistant adhesion property
Bionical textured material and preparation method thereof.
Background technology
There are substantial amounts of marine organisms in marine environment, these marine organisms can be chronically at ocean
Facility in environment forms biodeterioration with equipment surface attachment.Such as barnacle, algae, Concha Ostreae, mussel,
Calx worm, Entermorpha, ascidian, sea anemone etc. is on surfaces such as ship housing, marine structure, aquaculture net cages
Upper non-selectivity ground large area adheres to and deposition, result in serious economic loss and potential safety hazard.As
Cause ship resistance to increase, increase fuel oil consumption；Cause line clogging, destroy building surface
Corrosion-inhibiting coating, cause corrosion failure.Biotinylated biomolecule is stained controlling way mainly by adding at present
The material such as organotin, Red copper oxide reaches antifouling effect, and attachment sea organisms is had by force by this kind of material
Strong toxic action, but also Fish, shellfish can be caused murder by poisoning, and can amass in vivo simultaneously
Tired, marine biological environment is caused the biggest impact, organotin is disabled in 2008, oxidation
Cuprous the most progressively it is prohibited from using.Therefore the exploitation efficient anti-soil technology of Novel non-toxic becomes to pass
Important.
The scientist of the U.S., Germany and Britain has observed the table of the large ocean animal such as shark, dolphin
Skin structure, there is micron order groove in the surface of these epidermises, can secret out of mucus, such spy simultaneously
Different structure can stop the attachment of marine growth, and scientists always searches for the simulation of suitable chemical means
The method of these biological surface structures, and also make some progress.Such as Washington, DC university
Learn professor Karen L.Wooley there are the hydrophobic of microphase-separated and oleophobic both sexes to gather by preparing
Compound imitates profile and the tissue of dolphin skin, seeks regulation system biology and synthetic material
The method of interphase interaction, design can hinder the chemical functionalities group of biological attachment to simulate dolphin
Skin.The Antonia Kesel of Germany and Ralph professor Liedert study and have synthesized a kind of " shark
Skin ", and certification selects low-surface-energy material, surface to have protruding span material and can reduce big portion
The barnacle attachment divided, if making this kind of material epidermis with the speed of 5-6 mile per hour in water exercise,
The attachment of any biology almost be can be removed.
Patent 200810093373.2 is by hydrolyzable silicone oil acrylic resin, containing antifouling activity function base
The modified silicone resin of group, methyl silicon resin, triethylene tetramine prepare anti-fouling material, are formed and have rule
The concave-convex micro-structure surface of property；Patent 200910018937.0 is first with containing hydrogen silicone oil and (methyl) propylene
Allyl propionate Si-H addition reaction, synthesis containing the organosilicon component of polymerizable double bond, then with acrylonitrile, propylene
Esters of gallic acid monomer carries out free-radical polymerized, and forming hinge has the acrylate of silicon gel microgranule
Mixed liquor again with mixed with resin after film formed spherical protuberances micro-structure surface anti-fouling material；Patent
A kind of dimension-adjustable porous micro-structured surface antifouling material is devised, by having in 201110256062.5
Machine silica acrylic acid copolymer resins and amine nucleation accelerating agent and firming agent form yardstick under room temperature condition
The micro-knot of adjustable multi-hole.Patent 201110376218.3 etches on photomask has cruciform pattern
Micro structure, elementary cell is cross column, and end is tapered, staggered, formed array；So
After at the deep silicon etching process of silicon chip surface using plasma, form the micro structure of prescribed depth, use
The method that polydimethylsiloxane overmolded replicates is prepared as micro structure anti-fouling material.
Therefore, by bionic method, find suitable anti-fouling material, utilize chemical means to some seas
The epidermal structure of ocean animal imitates, and imparting coating is with special surface property, such as surface energy, table
Face mould amount and surface topography etc., it is possible to effectively prevent and kill off the attachment of fouling organism.
Summary of the invention
It is an object of the invention to provide the system of the bionical textured material of a kind of algae-resistant adhesion property
Preparation Method, this bionical textured material can preferably suppress the algae marine growths such as boat-shaped algae and Closterium to exist
The facility surface attachment being chronically in marine environment forms biodeterioration.
For achieving the above object, the present invention is with natural materials such as the biological epidermis such as Carapax Eriocheir sinensis, Folium Nelumbinis or blades
For template, select elastomer silicone as transition template, it is thus achieved that bionical texturing organic-silicon-modified third
Olefin(e) acid polyurethane anti-fouling material.
The preparation method of the bionical textured material of a kind of algae-resistant adhesion property, comprises the following steps:
(1) biological template pretreatment: clean biological template, and dry up；
(2) prepared by the elastomer silicone template with anti-pattern: by polydimethylsiloxane prepolymer
Body and the mixture at room temperature precuring 1～5h of cross-linking agent, and remove the bubble in mixed liquor；So
After this mixture is cast in biological template surface, at 50～150 DEG C solidify 8～15h；Will solidification
The elastomer silicone template of rear formation is peeled off from biological template, obtains the organosilicon with anti-pattern
Elastomer template；
(3) prepared by the elastomer silicone template with positive pattern: with having that step (2) obtains
Biological template in elastomer silicone template replacement step (2) of anti-pattern, uses and step (2)
Identical method preparation has the elastomer silicone template of positive pattern；
(4) prepared by the bionical texturing coating with positive pattern: by organosilicon modified crylic acid resin,
Polyisocyanates and organic solvent are sufficiently mixed, and stand the bubble removed in mixed liquor, then will mixing
Liquid is cast in the elastomer silicone template with anti-pattern that step (2) obtains, at 50～150 DEG C
Lower solidification 8-18h, peels off the coating formed after solidification from elastomer silicone template, is had
There is the bionical texturing coating of positive pattern；
(5) prepared by the bionical texturing coating with anti-pattern: just have what step (3) obtained
The method preparation identical with step (4) is used to have anti-pattern in the elastomer silicone template of pattern
Bionical texturing coating.
Heretofore described biological template is the micro-nano diadactic structure that surface has projection and depression
Animal cuticle or plant leaf blade.Research finds: the animal such as shark, dolphin why its epidermis in ocean
There is the most excellent fouling resistance performance, except Surface Microtexture, the chemical mucus of secretion, go back and it
Speed of parading faster in marine environment is undivided.And marine facility and building are static,
Do not parade speed, so selecting the plant that creep speed is slower or static.Therefore, the most excellent
Choosing, described biological template is Carapax Eriocheir sinensis or Folium Nelumbinis.
In step (2), polydimethylsiloxane prepolymer body is 10:1 with the mass ratio of cross-linking agent, after mixing
Solution will be solidified into the transparent elastomer with toughness, i.e. described elastomer silicone template.
The invention is intended to pass through isocyanates by organosilicon modified crylic acid resin and polyisocyanates
Functional group-N=C=O and hydroxyl-OH reaction generates polyurethane structural, during the generation of polyurethane,
The properity impact of NCO/OH comparison synthetic product is fairly obvious.The viscosity of emulsion along with
The increase of NCO/OH ratio and reduce.This is because NCO/OH ratio is the biggest, hard section in polyurethane (by
Polyisocyanates or small molecule chain extender composition) content rising, soft section (generally by polyethers or polyester group
Becoming) content is relatively low.So elasticity of polyurethane just reduces, and hot strength raises.After considering,
In preferred steps (4) in organosilicon modified crylic acid resin and polyisocyanates NCO/OH mole
Ratio is 0.8～1.2:1.Wherein, polyisocyanates can select hexamethylene diisocyanate (HDI)
Trimer, toluene diisocyanate trimer etc..
Organic solvent described in step (4) is aromatic solvent, and its usage amount is organic-silicon-modified
Hydroxylated acrylic resin and the 20% of polyisocyanates gross mass～60%.Make the resin can be organic
Solvent fully dissolves.
Present invention also offers the bionical of algae-resistant adhesion property that have that above-mentioned preparation method obtains to knit
Structure formed material.
The present invention is with natural materials such as the biological epidermis such as Carapax Eriocheir sinensis, Folium Nelumbinis or blades as template, with organosilicon
Elastomer, as transition template, prepares surface and has the organic-silicon-modified propylene of micro-nano diadactic structure
Acid polyurethane texturing nonpolluting coating, this coating has micron-sized projection or pit, projection or pit
There is nanostructured, enhance the water droplet nonwetting character at material surface, so that fouling organism is also
It is not easy attachment；Greatly reduce the contact area between fouling organism and nonpolluting coating simultaneously, make to be stained
Biological attachment site reduces, thus is not easy attachment, even if attachment is the most easily desorbed.
The present invention utilizes nature biotechnology blade or epidermis to have natural antifouling properties, uses the micro-of surface
Architectural characteristic carries out antifouling, does not produce natural environment and pollutes, and is a kind of based on new approaches, new ideas
High-efficiency environment friendly anti-fouling material.
Accompanying drawing explanation
Fig. 1 is the preparation process schematic diagram of the present invention bionical texturing coating；
Fig. 2 is the SEM figure of imitative Carapax Eriocheir sinensis positive pattern texturing coating morphology；
Fig. 3 is the SEM figure that imitative Carapax Eriocheir sinensis bears pattern texturing coating morphology；
Fig. 4 a is the three-dimensional appearance figure of imitative Carapax Eriocheir sinensis positive epidermis morphology texturing coating；
Fig. 4 b is the three-dimensional appearance figure that imitative Carapax Eriocheir sinensis bears epidermis morphology texturing coating；
Fig. 5 is the SEM observation figure of imitative Folium Nelumbinis positive pattern texturing coating morphology；
Fig. 6 is the SEM observation figure that imitative Folium Nelumbinis bears pattern texturing coating morphology；
Fig. 7 a is the three-dimensional appearance figure of imitative Folium Nelumbinis positive pattern texturing coating；
Fig. 7 b is the three-dimensional appearance figure that imitative Folium Nelumbinis bears pattern texturing coating；
Fig. 8 is the laser confocal microscope figure of the imitative Carapax Eriocheir sinensis coating before and after the attachment of boat-shaped algae；
Fig. 9 is the laser confocal microscope figure of the imitative Carapax Eriocheir sinensis coating before and after Closterium attachment；
Figure 10 is the laser confocal microscope figure of the imitative Folium Nelumbinis coating before and after the attachment of boat-shaped algae；
Figure 11 is the laser confocal microscope figure of the imitative Folium Nelumbinis coating before and after Closterium attachment.
Detailed description of the invention
Embodiment 1: the preparation of imitative Carapax Eriocheir sinensis positive pattern micro structure organic silicon acrylic ester nonpolluting coating
There is according to the preparation of flow process shown in Fig. 1 the texturing coating of the positive pattern of Carapax Eriocheir sinensis: deionized water ripples and washes
Carapax Eriocheir sinensis surface, and dry up with faint nitrogen stream.Then prepare elastomer silicone template；Preparation process
As follows: by DOW CORNING SYLGARD184 polydimethylsiloxane (PDMS) crosslinking supporting with it
The ratio of agent 10:1 in mass ratio is sufficiently mixed, and first solidifies 2h at ambient temperature, and removes mixing
Bubble in liquid；Then mixed liquor is poured on Carapax Eriocheir sinensis surface, then at 70 DEG C, solidifies 12h；Finally will
PDMS after solidification peels off from Carapax Eriocheir sinensis, i.e. obtains having Carapax Eriocheir sinensis surface and bears the organosilicone elastic of pattern
Body template.
Prepare organosilicon-modified acrylic polyurethane coating process as follows: by organosilicon-modified acrylic tree
Fat (SKD002, hydroxy radical content 1.9%) and hexamethylene diisocyanate trimer (NCO content
18%) it is sufficiently mixed (NCO/OH mol ratio 1.2:1) with dimethylbenzene 3:1:1.5 in mass ratio, quiet
Put 20min, and remove the bubble in mixed liquor；Then mixed liquor is poured on and there is Carapax Eriocheir sinensis bears pattern
In elastomer silicone template, then at 70 DEG C, solidify 12h, finally will after solidification the coating that be formed from
Peeling off in elastomer silicone template, the organosilicon-modified acrylate obtaining having the positive pattern of Carapax Eriocheir sinensis is imitated
Raw texturing coating.
As in figure 2 it is shown, increase successively from a to d enlargement ratio.Imitative positive Carapax Eriocheir sinensis texturing coating surface is deposited
Protruding at regularly arranged agnail, find that agnail size is basically identical by measuring, agnail bottom straight
Footpath is 1.5 μm (as shown in d in Fig. 2) left and right.And the arrangement of these agnails is the most regular (such as Fig. 2
Shown in middle b), substantially close-packed hexagonal structure.Distance between agnail is all about 6.5 μm, and becomes
Change scope is little, substantially between 5.5 μm to 7.5 μm.By Carapax Eriocheir sinensis positive pattern texture imitative seen from Fig. 4 a
Changing the height that in coating texturing coating, agnail is protruding is about 4 μm, by AFM software analysis, imitative
The surface roughness of Carapax Eriocheir sinensis positive pattern texturing coating is 0.62 μm.
Embodiment 2: imitative Carapax Eriocheir sinensis bears the preparation of pattern micro structure organic silicon acrylic ester nonpolluting coating material
According to the preparation of flow process shown in Fig. 1, there is Carapax Eriocheir sinensis and bear the texturing coating of pattern, the temperature wherein solidified
Degree and time can suitably regulate: ripple with deionized water and wash Carapax Eriocheir sinensis surface, and dry up with faint nitrogen stream.
Then prepare elastomer silicone template；Preparation process is as follows: by DOW CORNING SYLGARD184
The ratio of polydimethylsiloxane (PDMS) cross-linking agent supporting with it 10:1 in mass ratio is sufficiently mixed,
First solidify 2h at ambient temperature, and remove the bubble in mixed liquor；Then mixed liquor is poured on Eriocheir sinensis
Shell surface, then at 50 DEG C, solidify 15h；Finally the PDMS after solidification is peeled off from Carapax Eriocheir sinensis,
I.e. obtain that there is Carapax Eriocheir sinensis surface and bear the elastomer silicone template of pattern.PDMS mixing after processing
Liquid is poured into be had Carapax Eriocheir sinensis surface and bears and obtain having Carapax Eriocheir sinensis in the elastomer silicone template of surface topography
The template of the positive pattern in surface.
Prepare organosilicon-modified acrylic polyurethane coating process as follows: by organosilicon-modified acrylic tree
Fat (SKD002, hydroxy radical content 1.9%) and hexamethylene diisocyanate trimer (NCO content
18%) it is sufficiently mixed (NCO/OH mol ratio 1:1) with dimethylbenzene 3.5:1:1.5 in mass ratio, quiet
Put 20min, and remove the bubble in mixed liquor；Then mixed liquor is poured on and there is Carapax Eriocheir sinensis surface conformality
In the PDMS template of looks, then at 50 DEG C, solidify 16h, finally will after solidification the coating that be formed from
Peel off in elastomer silicone template, obtain having Carapax Eriocheir sinensis and bear the organosilicon-modified acrylate of pattern and imitate
Raw texturing coating.
The bionical poly-ammonia of texturing acid-organosilicon crylic acid of pattern is born on prepared Blue Swimming Crab shell surface of copying
The SEM of ester coating observes figure as indicated at 3.Increase successively from a to d enlargement ratio.Corresponding imitative Eriocheir sinensis
Shell is born pattern texturing coating surface and be there is regularly arranged pit, finds pit top by measuring
About a diameter of 1.5 μm, same, these pits arrange in close-packed hexagonal structure.Between pit away from
About for 6.5 μm.Being born the degree of depth of pit in pattern texturing coating by Carapax Eriocheir sinensis imitative seen from Fig. 4 b is 1
About μm, by AFM software analysis, the surface roughness of imitative negative Carapax Eriocheir sinensis texturing coating is 0.08
μm。
Embodiment 3: the preparation of imitative Folium Nelumbinis positive pattern micro structure organic silicon acrylic ester nonpolluting coating material
There is the texturing coating of the positive pattern of Folium Nelumbinis, the temperature wherein solidified according to the preparation of flow process shown in Fig. 1
Degree and time can suitably regulate: ripple with deionized water and wash lotus leaf surface, and dry up with faint nitrogen stream.
Then prepare PDMS template；Preparation process is as follows: by poly-for DOW CORNING SYLGARD184 diformazan
The ratio of radical siloxane (PDMS) cross-linking agent supporting with it 10:1 in mass ratio is sufficiently mixed, and first exists
Solidify 2h under room temperature condition, and remove the bubble in mixed liquor；Then mixed liquor is poured on Folium Nelumbinis table
Face, then at 150 DEG C, solidify 8h；Finally the elastomer silicone after solidification is peeled off from Folium Nelumbinis,
I.e. obtain that there is lotus leaf surface and bear the elastomer silicone template of pattern.
Prepare organosilicon-modified acrylic polyurethane coating process as follows: by organosilicon-modified acrylic tree
Fat (SKD002, hydroxy radical content 1.9%) and toluene diisocyanate trimer (NCO content 8%)
It is sufficiently mixed (NCO/OH mol ratio 0.8:1) with toluene 2.1:1:1.5 in mass ratio, stands 20min,
And remove the bubble in mixed liquor；Then mixed liquor is poured on and there is Folium Nelumbinis bears the organosilicone elastic of pattern
In body template, then solidifying 6h at 150 DEG C, the coating formed after finally solidifying is from organosilicone elastic
Peel off in body template, obtain the bionical texture of organosilicon-modified acrylic polyurethane with the positive pattern of Folium Nelumbinis
Change coating.
The SEM figure of the bionical texturing organosilicon acroleic acid polyurethane coating of imitative Folium Nelumbinis front surface pattern
As it is shown in figure 5, increase successively from a to c enlargement ratio.Imitative Folium Nelumbinis is we have found that according to SEM figure
There is the mastoid process of irregular alignment in positive pattern texturing coating surface, finds mastoid process bottom by measuring
About a diameter of 7.5 μm, but mastoid process size is not quite identical.And the mastoid process of these irregular alignments
Between distance the most all between 9-11 μm, but also have a small amount of intermastoid distance less than 3 μm or
More than 15 μm.By the height of mastoid process in Folium Nelumbinis positive pattern texturing coating texturing coating imitative seen from Fig. 7 a
Degree is about 8 μm, and by AFM software analysis, we can imitate Folium Nelumbinis positive pattern texturing coating
Surface roughness be 2.47 μm.
Embodiment 4: imitative Folium Nelumbinis bears the preparation of pattern micro structure organic silicon acrylic ester nonpolluting coating material
According to the preparation of flow process shown in Fig. 1, there is Folium Nelumbinis and bear the texturing coating of pattern, the temperature wherein solidified
Degree and time can suitably regulate: ripple with deionized water and wash lotus leaf surface, and dry up with faint nitrogen stream.
Then prepare PDMS template；Preparation process is as follows: by poly-for DOW CORNING SYLGARD184 diformazan
The ratio of radical siloxane (PDMS) cross-linking agent supporting with it 10:1 in mass ratio is sufficiently mixed, and first exists
Solidify 2h under room temperature condition, and remove the bubble in mixed liquor；Then mixed liquor is poured on Folium Nelumbinis table
Face, then at 100 DEG C, solidify 10h；Finally the PDMS after solidification is peeled off from Folium Nelumbinis, to obtain final product
To the elastomer silicone template there is lotus leaf surface bearing pattern.PDMS mixed liquor after processing waters
Note to having lotus leaf surface and bear and in the PDMS template of surface topography, obtain that there is the positive pattern of lotus leaf surface
Template.
Prepare organosilicon-modified acrylate coating procedure as follows: by organosilicon modified crylic acid resin
(SKD002, hydroxy radical content 1.9%) and toluene diisocyanate trimer (NCO content 8%)
It is sufficiently mixed (NCO/OH mol ratio 1:1) with toluene 1.7:1:1.5 in mass ratio and stands 20min,
And remove the bubble in mixed liquor；Then mixed liquor is poured on the organosilicon with the positive pattern of lotus leaf surface
In elastomer template, then solidifying 10h at 100 DEG C, the coating formed after finally solidifying is from organic
Peel off in silicone elastomer template, obtain that there is Folium Nelumbinis and bear the organosilicon-modified acrylic polyurethane imitation of pattern
Raw texturing coating.
Prepared lotus leaf surface of copying bears the bionical texturing organosilicon acroleic acid polyurethane of pattern
The SEM of (hereinafter referred to as imitating load leaf texturing coating) is as shown in Figure 6.From a to c times magnification
Rate increases successively.There is the pit of irregular alignment in corresponding imitative load leaf texturing coating surface,
By measuring about a diameter of 7.5 μm finding pit top.Same, pit size incomplete
Cause, and the distance great majority between the pit of these irregular alignments are all between 9-11 μm.By Fig. 7 b
It is about 8 μm that visible imitative Folium Nelumbinis bears the degree of depth of pit in pattern texturing coating, by AFM software
Analyzing, it is 1.81 μm that imitative Folium Nelumbinis bears the surface roughness of pattern texturing coating.
Performance test:
(1), nonpolluting coating anti-algae adhesion detection in embodiment 1,2
Relative to without textured coating (a and a '), embodiment 1 and 2 imitates positive Carapax Eriocheir sinensis texturing coating
(b and b ') and the imitative negative textured coating of Carapax Eriocheir sinensis (c and c ') boat-shaped algae is all had the most antifouling
Effect, is more or less the same to the preventive effect of boat-shaped algae, and the laser co-focusing photo of boat-shaped algae adhesion amount is such as
Shown in Fig. 8, the reduction rate of adhesion amount is respectively 69% and 70%.The laser copolymerization of Closterium adhesion amount
Burnt photo is as it is shown in figure 9, relative to without textured coating (a and a '), imitative positive Carapax Eriocheir sinensis texturing
Coating (b and b ') and the imitative negative textured coating of Carapax Eriocheir sinensis (c and c ') Closterium is the most all had preferably
Anti-fouling effect, adhesion amount reduction rate is respectively 68% and 65%.
(2), embodiment 3,4 nonpolluting coating anti-algae adhesion detection
Imitative Folium Nelumbinis positive and negative pattern micro structure organic silicon acrylic ester nonpolluting coating pair in embodiment 3 and 4
Confocal laser scanning microscope figure after the attachment of boat-shaped algae as shown in Figure 10, imitates the positive/negative pattern of Folium Nelumbinis
Texturing coating has good anti-fouling effect to boat-shaped algae, and, imitative load leaf texturing coating (c
And c ') adhesion amount reduction rate is 74%, be better than imitative positive Folium Nelumbinis texturing coating (b and b ', adhesion amount
Reduction rate 54%).The contact angle of imitative Folium Nelumbinis positive/negative pattern texturing coating surface water is all up to 113 °.
The laser confocal microscope figure of the imitative Folium Nelumbinis coating after Closterium attachment as shown in figure 11, imitates Folium Nelumbinis
Closterium is also had well by the texturing coating (respectively b and b ', c and c ') of positive/negative pattern
Anti-fouling effect, adhesion amount reduction rate is respectively up to 74% and 73%.
Claims (3)
1. the preparation method of a bionical textured material with algae-resistant adhesion property, it is characterised in that comprise the following steps:
(1) biological template pretreatment: clean biological template, and dry up；
Described biological template is Carapax Eriocheir sinensis or Folium Nelumbinis；
(2) prepared by the elastomer silicone template with anti-pattern: by the mixture at room temperature precuring 1～5h of polydimethylsiloxane prepolymer body Yu cross-linking agent, and remove the bubble in mixed liquor；Then this mixture is cast in biological template surface, at 50～150 DEG C, solidifies 8～15h；The elastomer silicone template formed after solidification is peeled off from biological template, obtains the elastomer silicone template with anti-pattern；
Polydimethylsiloxane prepolymer body is 10:1 with the mass ratio of cross-linking agent；
(3) prepared by the elastomer silicone template with positive pattern: with the biological template in elastomer silicone template replacement step (2) with anti-pattern that step (2) obtains, and uses the method preparation identical with step (2) to have the elastomer silicone template of positive pattern；
(4) prepared by the bionical texturing coating with positive pattern: organosilicon modified crylic acid resin, polyisocyanates and organic solvent are sufficiently mixed, stand the bubble removed in mixed liquor, then mixed liquor is cast in the elastomer silicone template with anti-pattern that step (2) obtains, 8-18h is solidified at 50～150 DEG C, the coating formed after solidification is peeled off from elastomer silicone template, obtains the bionical texturing coating with positive pattern；
Organosilicon modified crylic acid resin is 0.8～1.2:1 with the mol ratio of NCO/OH in polyisocyanates；
(5) prepared by the bionical texturing coating with anti-pattern: have in the elastomer silicone template of positive pattern, what step (3) obtained, the bionical texturing coating using the method preparation identical with step (4) to have anti-pattern.
The preparation method of the bionical textured material with algae-resistant adhesion property the most according to claim 1, it is characterized in that, organic solvent described in step (4) is aromatic solvent, and its usage amount is organic-silicon-modified Hydroxylated acrylic resin and the 20% of polyisocyanates gross mass～60%.
3. the bionical textured material with algae-resistant adhesion property obtained according to claim 1～2 any one preparation method.
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