CN102140179A - Method for preparing styrene grafted silicon dioxide superhydrophobic thin film - Google Patents
Method for preparing styrene grafted silicon dioxide superhydrophobic thin film Download PDFInfo
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- CN102140179A CN102140179A CN 201010245355 CN201010245355A CN102140179A CN 102140179 A CN102140179 A CN 102140179A CN 201010245355 CN201010245355 CN 201010245355 CN 201010245355 A CN201010245355 A CN 201010245355A CN 102140179 A CN102140179 A CN 102140179A
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title claims abstract description 91
- 239000000377 silicon dioxide Substances 0.000 title claims abstract description 52
- 230000003075 superhydrophobic effect Effects 0.000 title claims abstract description 35
- 235000012239 silicon dioxide Nutrition 0.000 title claims abstract description 21
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 title claims abstract description 19
- 238000000034 method Methods 0.000 title claims abstract description 18
- 239000010409 thin film Substances 0.000 title description 18
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 32
- 238000002360 preparation method Methods 0.000 claims abstract description 32
- 239000002904 solvent Substances 0.000 claims abstract description 12
- 239000003999 initiator Substances 0.000 claims abstract description 11
- 239000003960 organic solvent Substances 0.000 claims abstract description 10
- 239000006087 Silane Coupling Agent Substances 0.000 claims abstract description 8
- 230000001476 alcoholic effect Effects 0.000 claims abstract description 8
- 239000011147 inorganic material Substances 0.000 claims abstract description 8
- 239000011368 organic material Substances 0.000 claims abstract description 8
- 238000000576 coating method Methods 0.000 claims abstract description 7
- 150000002576 ketones Chemical class 0.000 claims abstract description 6
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 claims abstract 12
- 239000003054 catalyst Substances 0.000 claims abstract 6
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 claims abstract 4
- 239000005543 nano-size silicon particle Substances 0.000 claims description 31
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 claims description 17
- 229920002554 vinyl polymer Polymers 0.000 claims description 17
- 238000001035 drying Methods 0.000 claims description 16
- 235000011114 ammonium hydroxide Nutrition 0.000 claims description 13
- 230000008569 process Effects 0.000 claims description 10
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical group OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 9
- 238000006243 chemical reaction Methods 0.000 claims description 9
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Natural products CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 8
- 239000000758 substrate Substances 0.000 claims description 6
- 238000005406 washing Methods 0.000 claims description 6
- OMPJBNCRMGITSC-UHFFFAOYSA-N Benzoylperoxide Chemical group C=1C=CC=CC=1C(=O)OOC(=O)C1=CC=CC=C1 OMPJBNCRMGITSC-UHFFFAOYSA-N 0.000 claims description 4
- 235000019400 benzoyl peroxide Nutrition 0.000 claims description 4
- FWDBOZPQNFPOLF-UHFFFAOYSA-N ethenyl(triethoxy)silane Chemical group CCO[Si](OCC)(OCC)C=C FWDBOZPQNFPOLF-UHFFFAOYSA-N 0.000 claims description 4
- 230000004048 modification Effects 0.000 claims description 4
- 238000012986 modification Methods 0.000 claims description 4
- 230000035484 reaction time Effects 0.000 claims description 4
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 claims description 3
- -1 pottery Substances 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims description 3
- 239000001913 cellulose Substances 0.000 claims description 2
- 229920002678 cellulose Polymers 0.000 claims description 2
- 239000011521 glass Substances 0.000 claims description 2
- 239000004065 semiconductor Substances 0.000 claims description 2
- OZAIFHULBGXAKX-UHFFFAOYSA-N 2-(2-cyanopropan-2-yldiazenyl)-2-methylpropanenitrile Chemical compound N#CC(C)(C)N=NC(C)(C)C#N OZAIFHULBGXAKX-UHFFFAOYSA-N 0.000 claims 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical group N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims 2
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims 2
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 claims 2
- XDLMVUHYZWKMMD-UHFFFAOYSA-N 3-trimethoxysilylpropyl 2-methylprop-2-enoate Chemical compound CO[Si](OC)(OC)CCCOC(=O)C(C)=C XDLMVUHYZWKMMD-UHFFFAOYSA-N 0.000 claims 1
- 150000001298 alcohols Chemical class 0.000 claims 1
- 150000001335 aliphatic alkanes Chemical class 0.000 claims 1
- 229910021529 ammonia Inorganic materials 0.000 claims 1
- 239000000203 mixture Substances 0.000 claims 1
- 239000002861 polymer material Substances 0.000 claims 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 claims 1
- 125000003944 tolyl group Chemical group 0.000 claims 1
- 239000002023 wood Substances 0.000 claims 1
- 239000011259 mixed solution Substances 0.000 abstract description 3
- 239000006185 dispersion Substances 0.000 abstract 1
- 229960001866 silicon dioxide Drugs 0.000 description 12
- 239000002077 nanosphere Substances 0.000 description 10
- 206010013786 Dry skin Diseases 0.000 description 8
- 229960004756 ethanol Drugs 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 238000003756 stirring Methods 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 5
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 4
- 150000001555 benzenes Chemical class 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 4
- 238000013019 agitation Methods 0.000 description 3
- 239000000178 monomer Substances 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 238000005303 weighing Methods 0.000 description 3
- 240000002853 Nelumbo nucifera Species 0.000 description 2
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 2
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 238000005229 chemical vapour deposition Methods 0.000 description 2
- JHIVVAPYMSGYDF-UHFFFAOYSA-N cyclohexanone Chemical compound O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 description 2
- 229960000935 dehydrated alcohol Drugs 0.000 description 2
- 238000001523 electrospinning Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000010408 film Substances 0.000 description 2
- 238000000227 grinding Methods 0.000 description 2
- 229910003471 inorganic composite material Inorganic materials 0.000 description 2
- 229910010272 inorganic material Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- VVWRJUBEIPHGQF-UHFFFAOYSA-N propan-2-yl n-propan-2-yloxycarbonyliminocarbamate Chemical compound CC(C)OC(=O)N=NC(=O)OC(C)C VVWRJUBEIPHGQF-UHFFFAOYSA-N 0.000 description 2
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000001132 ultrasonic dispersion Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002848 electrochemical method Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000005357 flat glass Substances 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000001000 micrograph Methods 0.000 description 1
- 239000002121 nanofiber Substances 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000012074 organic phase Substances 0.000 description 1
- VDGJOQCBCPGFFD-UHFFFAOYSA-N oxygen(2-) silicon(4+) titanium(4+) Chemical compound [Si+4].[O-2].[O-2].[Ti+4] VDGJOQCBCPGFFD-UHFFFAOYSA-N 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
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- 238000012876 topography Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
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- Graft Or Block Polymers (AREA)
Abstract
本发明公开了一种苯乙烯接枝二氧化硅超疏水薄膜的制备方法，首先，将正硅酸乙酯加入到催化剂与醇类溶剂的混合液中，反应制得纳米二氧化硅球，然后，将所述纳米二氧化硅球加入醇类溶剂中，之后加入硅烷偶联剂和催化剂，制得乙烯基修饰的纳米二氧化硅球，最后，将所述乙烯基修饰的纳米二氧化硅球加入到苯类或酮类有机溶剂中，之后依次加入引发剂，苯乙烯单体，制得到苯乙烯接枝的纳米二氧化硅球，之后将所述苯乙烯接枝的纳米二氧化硅球超声分散后，以无机或有机材料为基底，通过涂覆方法制得所述苯乙烯接枝二氧化硅超疏水薄膜；制备过程简单、重复性好，成本低，便于推广使用。
The invention discloses a method for preparing a styrene-grafted silicon dioxide superhydrophobic film. First, tetraethyl orthosilicate is added to a mixed solution of a catalyst and an alcohol solvent to react to prepare nanometer silicon dioxide spheres, and then , adding the nano-silica spheres into an alcoholic solvent, then adding a silane coupling agent and a catalyst to obtain vinyl-modified nano-silica spheres, and finally, the vinyl-modified nano-silica spheres Added into benzene or ketone organic solvents, followed by adding initiator and styrene monomer to obtain styrene-grafted nano-silica spheres, and then ultrasonicated the styrene-grafted nano-silica spheres After dispersion, the styrene-grafted silicon dioxide superhydrophobic film is prepared by a coating method with inorganic or organic materials as the base; the preparation process is simple, the repeatability is good, the cost is low, and it is convenient for popularization and use.
Description
Technical field
The present invention relates to the applied technical field of organic/inorganic composite material, relate in particular to a kind of preparation method of organic-inorganic nano matrix material based superhydrophobic thin films.
Background technology
Organic is since coming out, caused that with its particular structure and performance people more and more pay attention to, organic/inorganic composite material combines the characteristics (good toughness of organic materials, shock-resistant, light weight, easily processing etc.) and advantage (high strength, the hardness of inorganic materials, thermostability, anticorrosive and excellent optical property).The organic-inorganic nano matrix material in fields such as automobile, building materials, space flight, aviation, the energy, environmental protection, biomedicines, demonstrates important researching value and application prospect as very noticeable material of 21 century.
Wetting property is one of critical nature of solid surface, mainly is made up of with micro-geometry surface chemistry to determine jointly.So-called super hydrophobic surface is meant that generally contact angle with water is greater than 150 °, roll angle is less than 10 ° surface, in general super hydrophobic surface can prepare by two kinds of methods: a kind of is to make up coarse structure on the hydrophobic material surface, and another kind is a material of modifying low surface energy on uneven surface.Originally, people are to the understanding of super hydrophobic surface, mainly from " automatically cleaning " phenomenon of leaf-lotus leaf surface.Such as, the globule can roll on the surface of lotus leaf, even water some sewage in the above, also can not stay stains on leaf.This characteristic of emerging unstained from the filth of lotus leaf is known as " automatically cleaning " effect.In recent years, the research of relevant super hydrophobic surface has caused investigator's extensive concern, relates to multi-door subjects such as phytology, chemistry, polymer science, engineering mechanics.At present, the method for preparing super-hydrophobic uneven surface mainly contains template, etching method, chemical Vapor deposition process, electrochemical method, electrospinning etc.Chinese patent (CN1379128A) adopts chemical Vapor deposition process to make super two thin film.Chinese patent (CN1397668A) is prepared the polymer nanofiber with ultra-hydrophobicity by the template extrusion process.But aforesaid method has very big limitation, and employed equipment complexity, cost costliness, preparation condition harshness can't working special-shaped surface or wide area surface, and the foraminous die plate required as template is difficult for preparation: the inapplicable field operation of electrospinning method; Employed low surface energy material (as the perfluor siloxanes) price is very expensive, and production cost is higher.Above-mentioned reason has limited practical ranges.
Summary of the invention
Technical problem to be solved by this invention provides that a kind of cost of manufacture is low, and making processes is simple, and well organic materials and inorganic materials is combined, and has possessed the preparation method of the styrene-grafted silicon-dioxide based superhydrophobic thin films of two aspect characteristics simultaneously.
For solving the problems of the technologies described above, technical scheme of the present invention is: the preparation method of styrene-grafted silicon-dioxide based superhydrophobic thin films comprises step:
Preparation nano silicon ball
Tetraethoxy is joined in the mixed solution of catalyzer and alcoholic solvent, under 25～35 ℃, reacted 8～12 hours, grind afterwards and make the nano silicon ball;
The nano silicon ball of preparation modified by vinyl
Described nano silicon ball is added in the alcoholic solvent, add silane coupling agent and catalyzer afterwards, under 25～35 ℃, reacted 8～12 hours, drying and grinding becomes powder, obtains the nano silicon ball of modified by vinyl;
Prepare styrene-grafted nano silicon ball
The nano silicon ball of described modified by vinyl is joined in benzene class or the organic solvent of ketone, add initiator afterwards successively, styrene monomer carried out graft reaction 3～7 hours between 75～95 ℃, through washing, drying, obtain styrene-grafted nano silicon ball again;
Preparation styrene-grafted silicon-dioxide based superhydrophobic thin films
Behind described styrene-grafted nano silicon ball ultra-sonic dispersion, be substrate with inorganic or organic material, make described styrene-grafted silicon-dioxide based superhydrophobic thin films by coating method.
As optimized technical scheme, in the process of described system nano silicon ball, described catalyzer is an ammoniacal liquor, and described alcoholic solvent is methyl alcohol, ethanol or butanols, and consumption is 10～15 times of tetraethoxy, preferred 8～12 hours of reaction times, the mass ratio of described tetraethoxy and described ammoniacal liquor is 1: 1～2, and after reaction finished, alcohol was washed centrifugal three times, last 110 ℃ of dryings were pulverized after 2 hours.
As optimized technical scheme, in the process of the nano silicon ball of described system modified by vinyl, described alcoholic solvent is an ethanol, described silane coupling agent is vinyltriethoxysilane or 3-(iso-butylene acyl-oxygen) propyl trimethoxy silicane, catalyzer is an ammoniacal liquor, in preferred 8～12 hours of reaction times, the mass ratio of described nano silicon ball, described ethanol, described silane coupling agent and described ammoniacal liquor is 1: 80: 9～12: 8; After reaction finished, alcohol was washed centrifugal three times, and last 110 ℃ of dryings were pulverized after 2 hours.
As optimized technical scheme, in the process of described preparation of styrene grafted nano silicon ball, described benzene class or organic solvent of ketone are toluene, dimethylbenzene or pimelinketone, described initiator is dibenzoyl peroxide or Diisopropyl azodicarboxylate, reacted preferred 3～7 hours, the nano silicon ball of modified by vinyl, initiator and styrene monomer mass ratio are 1: 0.2～0.3: 8～15; Benzene class or organic solvent of ketone consumption are 2～3 times of styrene monomer quality.
As optimized technical scheme, described inorganic or organic materials is silicon-dioxide, pottery, glass, semi-conductor, timber, macromolecular material, Mierocrystalline cellulose or ceramic tile.
Owing to adopted technique scheme, the preparation method of styrene-grafted silicon-dioxide based superhydrophobic thin films, comprise step: preparation nano silicon ball, tetraethoxy is joined in the mixed solution of catalyzer and alcoholic solvent, under 25～35 ℃, reacted 8～12 hours, and ground afterwards and make the nano silicon ball; The nano silicon ball of preparation modified by vinyl adds described nano silicon ball in the alcoholic solvent, adds silane coupling agent and catalyzer afterwards, under 25～35 ℃, reacted 8～12 hours, drying and grinding becomes powder, obtains the nano silicon ball of modified by vinyl; Prepare styrene-grafted nano silicon ball, the nano silicon ball of described modified by vinyl is joined in benzene class or the organic solvent of ketone, add initiator, styrene monomer afterwards successively, between 75～95 ℃, carried out graft reaction 3～7 hours, through washing, drying, obtain styrene-grafted nano silicon ball again; Preparation styrene-grafted silicon-dioxide based superhydrophobic thin films behind described styrene-grafted nano silicon ball ultra-sonic dispersion, is substrate with inorganic or organic materials, makes described styrene-grafted silicon-dioxide based superhydrophobic thin films by coating method; By the grafted mode, between organic phase and inorganic phase, strengthen chemical bonding, improve interface bond strength, this has not only opened up a new field for polymer modification, while also provides new approach for the preparation of super hydrophobic material, preparation process is simple, good reproducibility, need not complex chemical treatment and also do not need expensive equipment, be easy to industrialization, be convenient to promote the use of, the product surface that makes has good super-hydrophobic and self-cleaning property, and this film is tasteless nontoxic, carries in the liquid free of losses, automatically cleaning, field such as the waterproof and dampproof prospect that is widely used.
Description of drawings
Fig. 1 is the sem photograph of the based superhydrophobic thin films of the embodiment of the invention one acquisition.
Fig. 2 is the based superhydrophobic thin films of the embodiment of the invention one acquisition and the contact angle test pattern of water.
Fig. 3 is that the water droplet that obtains of the embodiment of the invention one exists form on this based superhydrophobic thin films.
Embodiment
Below in conjunction with drawings and Examples, further set forth the present invention.Should be understood that these embodiment only to be used to the present invention is described and be not used in and limit the scope of the invention.Should be understood that in addition those skilled in the art can make various changes or modifications the present invention after the content of having read the present invention's instruction, these equivalent form of values fall within the application's appended claims institute restricted portion equally.
Embodiment one:
The preparation of silicon ball:
15g ammoniacal liquor joins in the 150g dehydrated alcohol, stirs it to be mixed in 20 minutes.Use the constant voltage separating funnel, slowly drip tetraethoxy 10g, under 30 ℃, magnetic agitation reaction 10 hours, alcohol is washed centrifugal three times, and last 110 ℃ of dryings two hours are pulverized, and make the nano silicon ball.
The preparation of the silica nanosphere of modified by vinyl:
Take by weighing the above-mentioned silica nanosphere 1g that makes and place the 80g ethanol solution, disperse to stir after 10 minutes, add the 9g vinyltriethoxysilane rapidly, 8g ammoniacal liquor under 30 ℃, reacted 10 hours, alcohol is washed centrifugal three times, last 110 ℃ of dryings two hours are pulverized, and make the silica nanosphere of modified by vinyl.
Styrene-grafted nano silicon ball:
The silica nanosphere 1g of the above-mentioned modified by vinyl that makes is placed the 20g toluene organic solvent, add initiator dibenzoyl peroxide 0.3g, monomer styrene 10g, under 95 ℃, reacted 4 hours, and through washing, drying, obtained styrene-grafted nano silicon ball again.Disperseing in ultrasonic after 1 hour, is substrate with the sheet glass, prepares styrene-grafted silicon-dioxide based superhydrophobic thin films by coating method.
As shown in Figure 1, by the electron scanning micrograph of super hydrophobic surface as seen, the coarse surface topography of this super hydrophobic surface.
As shown in Figure 2, obtained by the test of contact angle tester, the contact angle of this film surface and water is 156 °, and roll angle is 2 °.
As shown in Figure 3, there is form in the water droplet of being taken by digital camera on prepared based superhydrophobic thin films.
Embodiment two:
The preparation of silicon ball:
10g ammoniacal liquor joins in the 100g methyl alcohol, stirs it is mixed.Use the constant voltage separating funnel, slowly drip tetraethoxy 10g, under 25 ℃, magnetic agitation reaction 8 hours, alcohol is washed centrifugal three times, and last 110 ℃ of dryings two hours are pulverized.
The preparation of the silica nanosphere of modified by vinyl:
Take by weighing the above-mentioned silica nanosphere 1g that makes and place the 80g ethanol solution, disperse to stir after 10 minutes, add 12g3-(iso-butylene acyl-oxygen) propyl trimethoxy silicane rapidly, 8g ammoniacal liquor, 25 ℃ were reacted 8 hours down, and alcohol is washed centrifugal three times, last 110 ℃ of dryings two hours are pulverized.
Styrene-grafted nano silicon ball:
The silica nanosphere 1g of the above-mentioned modified by vinyl that makes is placed 30g dimethylbenzene organic solvent, add initiator dibenzoyl peroxide 0.3g, monomer styrene 15g, under 80 ℃, reacted 3 hours, and through washing, drying, obtained styrene-grafted nano silicon ball again.Disperseing in ultrasonic after 1 hour, is substrate with the titanium dioxide silicon chip, prepares styrene-grafted silicon-dioxide based superhydrophobic thin films by coating method.
Embodiment three:
The preparation of silicon ball:
20g ammoniacal liquor joins in the 130g dehydrated alcohol, stirs it is mixed.Use the constant voltage separating funnel, slowly drip tetraethoxy 10g, under 35 ℃, magnetic agitation reaction 12 hours, alcohol is washed centrifugal three times, and last 110 ℃ of dryings two hours are pulverized.
The preparation of the silica nanosphere of modified by vinyl:
Take by weighing the above-mentioned silica nanosphere 1g that makes and place the 80g ethanol solution, disperse to stir after 10 minutes, add the 10g vinyltriethoxysilane rapidly, 8g ammoniacal liquor, 35 ℃ were reacted 12 hours down, and alcohol is washed centrifugal three times, last 110 ℃ of dryings two hours are pulverized.
Styrene-grafted nano silicon ball:
The silica nanosphere 1g of the above-mentioned modified by vinyl that makes is placed 20g pimelinketone organic solvent, add initiator Diisopropyl azodicarboxylate 0.2g, monomer styrene 12g, under 75 ℃, reacted 7 hours, and through washing, drying, obtained styrene-grafted nano silicon ball again.Disperseing in ultrasonic after 1 hour, is substrate with the ceramic tile, prepares styrene-grafted silicon-dioxide based superhydrophobic thin films by coating method.
More than show and described ultimate principle of the present invention and principal character and advantage of the present invention.The technician of the industry should understand; the present invention is not restricted to the described embodiments; that describes in the foregoing description and the specification sheets just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.The claimed scope of the present invention is defined by appending claims and equivalent thereof.
All from the present invention is to devise, the structural transformation of having done without creative work all drops within protection scope of the present invention.
Claims (5)
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| CN103060773A (en) * | 2011-10-19 | 2013-04-24 | 合肥杰事杰新材料股份有限公司 | Preparation method of superhydrophobic surface material |
| CN103709425A (en) * | 2013-12-03 | 2014-04-09 | 齐鲁工业大学 | Preparation method for carboxylated polystyrene-silicon dioxide composite super-hydrophobic coating |
| CN104212297A (en) * | 2014-09-09 | 2014-12-17 | 齐鲁工业大学 | Preparation method of styrene-grafted hollow silicon dioxide super-hydrophobic film |
| CN104609363A (en) * | 2015-01-20 | 2015-05-13 | 厦门大学 | Preparation method of large-area super-hydrophobic flexible membrane |
| CN104945569A (en) * | 2014-03-31 | 2015-09-30 | 中国科学院化学研究所 | Amphiphilic particle for super-hydrophobic coating, super-hydrophobic coating and preparation method of amphiphilic particles |
| CN105130206A (en) * | 2015-08-26 | 2015-12-09 | 河南科技大学 | Method for preparing superhydrophobic and self-cleaning glass |
| CN105153866A (en) * | 2015-10-20 | 2015-12-16 | 江苏丰彩新型建材有限公司 | Organic-inorganic hybrid super-hydrophobic coating and preparation method thereof |
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