CN104672962A - Inorganic substance super-hydrophobic paint and application thereof - Google Patents

Inorganic substance super-hydrophobic paint and application thereof Download PDF

Info

Publication number
CN104672962A
CN104672962A CN201510126003.4A CN201510126003A CN104672962A CN 104672962 A CN104672962 A CN 104672962A CN 201510126003 A CN201510126003 A CN 201510126003A CN 104672962 A CN104672962 A CN 104672962A
Authority
CN
China
Prior art keywords
super
coating
powder
hydrophobic coating
super hydrophobic
Prior art date
Application number
CN201510126003.4A
Other languages
Chinese (zh)
Other versions
CN104672962B (en
Inventor
张旭
杨碧微
王小梅
刘盘阁
Original Assignee
河北工业大学
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 河北工业大学 filed Critical 河北工业大学
Priority to CN201510126003.4A priority Critical patent/CN104672962B/en
Publication of CN104672962A publication Critical patent/CN104672962A/en
Application granted granted Critical
Publication of CN104672962B publication Critical patent/CN104672962B/en

Links

Abstract

The invention relates to inorganic substance super-hydrophobic paint and application thereof. The paint is prepared in the following method: silica sol is injected into a reactor with a nano microsphere template under a negative pressure condition, the template is immersed in the silica sol for 2h, then the reactor is sealed and stored in a thermostat, the silica sol and the template react at the temperature of 60 DEG C for 12h, the template is removed by virtue of heating or water immersion, a solid blocked micro-nano composite polygon is obtained, and after the blocked micro-nano composite polygon is dried, the blocked micro-nano composite polygon is ground into powder; the powder is poured into another reactor, dispersion liquid acetone is mixed with the powder, a low-surface-energy silane coupling agent is used for modifying the powder at a temperature of 25 to 50 DEG C, the powder reacts for 10h to 15h, the micro-nano composite polygon powder accounts for 0.5 to 20 percent of the mass of the paint, and the super-hydrophobic paint is prepared. The inorganic substance super-hydrophobic paint can be smeared on the surfaces of various conventional materials, the preparation method of the paint is simple, and the obtained super-hydrophobic surface is excellent in stability.

Description

A kind of inorganics super hydrophobic coating and application thereof

Technical field

The present invention relates to the technical field of hydrophobic coating material, be specifically related to a kind of preparation and coatings applications of super hydrophobic coating.

Background technology

Ultra-hydrophobicity refers to that body surface is greater than 150 ° to water contact angle.The self-cleaning performance that lotus leaf goes out mud and do not contaminate, the self-cleaning performance on moth wing surface, the leg of water skipper freely walk on the water surface and do not sink, fish surface keeps the super-hydrophobic phenomenon of a series of occurring in natures such as itself clean to cause the very big concern of many scholars in the water of oil pollution.The people such as Barthlott confirm [W.Barthlott, et al.Planta, 1997,202:1.], the super-hydrophobicity of natural surface is the result of the synergistic effect of their two mesostructure (micro-nano structure) and the low surface free energy combination of associated materials.The super-hydrophobicity coating that " automatically cleaning " ability that this special wettability is relevant is prepared is at antifouling [D.Weibel, et al.J.Phys.Chem.C, 2010, 114, 13219.], waterproof, protection against corrosion [D.Weibel, et al.J.Phys.Chem.C, 2010, 114, 13219.], fluid drag-reduction, oily water separation [R.M.Jisr, et al.Angew.Chem., Int.Ed., 2005, 44:782.], bio-medical [M.T.Khorasani, et al.Appl.Polym.Sci., 2004, 91:2042.] etc. field have broad application prospects, more and more get more and more people's extensive concerning.

The people such as Jiang Lei [L.Jiang, et al.Nature, 2004,432:36.] think, super hydrophobic surface can be realized by two kinds of modes: one builds coarse structure at hydrophobic surface; One modifies low-surface energy substance on a rough surface.That studies for super hydrophobic surface along with people deepens continuously, many preparation methods continue to bring out, method common at present has: lithographic technique, the people such as Zhao adopt complicated photolithography to build micro-nano structure [H.Zhao at monocrystalline silicon surface, et al.Langmuir, 2011, 27, 5927.], mould plate technique, the people such as Jiang adopt anodic alumina films to be template [L.Jiang, et al.Angew.Chem., Int.Ed., 2003, 42:800.], self-assembling technique [R.M.Jisr, et al.Angew.Chem., Int.Ed., 2005, 44:782.], deposition technique [C.P.Ruan, et al.Angew.Chem., Int.Ed., 2014, 53, 5556.] etc., while these preparations or the selection of production process to substrate have strict restriction, not only all have employed expensive low-surface energy substance and modifying and decorating is carried out to material surface, and preparation process is complicated, complex process is harsh.

Summary of the invention

Object of the present invention is for the cost intensive existed in current techniques, uses the deficiencies such as limited, provides low cost material prepared technology, the super hydrophobic coating had wide range of applications.Inorganics is adopted to carry out constructing of micro-nano compound structure, and select different sizing agents to be that the micro-nano structure of preparation is bonded in different base by undercoat, the polyhedron super hydrophobic coating by template synthesis with micro-nano structure is external coating (EC), by the mutual bonding of inside and outside coating, the maximum static contact angle of gained coating 162.0 °, roll angle is less than 5 °, reaches super-hydrophobic condition.This external coating (EC) has microcosmic nanostructure groove and hole, and when drop and Studies On Contacts of Rough Surfaces, the air in these grooves and hole and polyhedron determine the wetting property of this coating jointly.Because capillary effect drop cannot penetrate into the inside of coarse structure, but frame is on micro-nano structure and air, presents super-hydrophobic phenomenon.For this situation, meet the Cassie-Baxter model of generally acknowledging now.In the present invention, the preparation manipulation of coating is simple, with low cost, without the need to the very complicated such as photoetching, electrochemical deposition process in preparation process, without the need to expensive device and harsh processing condition.

Technical scheme of the present invention is:

1) an inorganics super hydrophobic coating, this material is obtained by following methods, comprises the following steps:

By silicon sol condition of negative pressure, (pressure is lower than normal atmosphere 0.1MPa, following steps and case study on implementation negative pressure and vacuum pressure herewith condition) under inject the reactor that Nano microsphere template is housed, submergence template 2h, then reactor sealed and put into thermostat container, 60 DEG C of reaction 12h, select to heat up or water soaking removal template, obtain solid block micro-nano compound polyhedron, after the drying of gained block micro-nano compound polyhedron, it is fully ground to powder; Getting powder pours in another reactor, add dispersion liquid acetone, then at 25 ~ 50 DEG C, add low surface energy silane coupler modified, reaction 10 ~ 15h, make micro-nano compound polyhedron powder quality percent concentration be 0.5% ~ 20% by volatilization again, be namely prepared into super hydrophobic coating;

Wherein material proportion (mass ratio) is micro-nano compound polyhedron powder: dispersion liquid: silane coupling agent=1:10-100:0.1-10.0;

Described step 1) in template comprise polyacrylamide (PAM) Nano microsphere, polymethylmethacrylate (PMMA) Nano microsphere or polystyrene (PS) Nano microsphere, wherein each template be prepared as known technology;

Described powder diameter distribution range is 100nm-5000nm;

Described step 1) in the preparation method of silicon sol, comprise the following steps: by tetraethoxy (TEOS), dehydrated alcohol (EtOH), deionized water (H 2o) and concentrated hydrochloric acid (HCl) mixing after at 60 DEG C hydrolysis reaction 2h gained, its material proportion (volume ratio) is tetraethoxy (TEOS): dehydrated alcohol (EtOH): deionized water (H 2o): concentrated hydrochloric acid (HCl)=1:1-5:0.1-0.5:0.05-0.5; Wherein the concentration of concentrated hydrochloric acid is 37% (massfraction);

Described step 1) in silane coupling agent used be octyl group silane, perfluoro capryl Trimethoxy silane, perfluoro capryl triethoxyl silane, perfluoro decyl Trimethoxy silane, perfluoro decyl triethoxyl silane, trifluoro propane Trimethoxy silane, hexamethyldisilazane or octamethylcyclotetrasiloxane;

2) application method of the inorganics super hydrophobic coating described in, constructing for super-hydrophobic coat, comprises the following steps:

First, undercoat solution is coated on substrate material surface, after cured, adopts spraying method to be coated on undercoat using the made super hydrophobic coating as external coating (EC), the dispersion liquid volatilization treating external coating (EC) completely, namely forms super-hydrophobic coat;

The body material of described undercoat coating material is timber, metal, cement, fabric, plastics or glass;

Described undercoat is sizing agent material, is specially epoxy resin (EP), styrene-butadiene rubber(SBR) (SEBS), urea-formaldehyde resin (UF), urethane (PU), polyvinyl acetate (PVA) (PVAc) or polyvinyl alcohol (PVA).

Beneficial effect of the present invention is: the present invention can be coated on multiple common used material surface, and preparation method for coating is succinct, and the super hydrophobic surface obtained has excellent stability, so super hydrophobic coating prepared by the present invention has a good application prospect in a lot of fields:

(1) super hydrophobic coating of the present invention can apply and timber, metal, cement, fabric, plastics, glass surface, there is good fluid drag-reduction ability, superpower " automatically cleaning " water proof anti-soil effect, in example one, antifouling test has been carried out to the glass of coating super hydrophobic coating, cement surface;

(2) the present invention has expanded the use range of super hydrophobic coating, this is because this coating can be bonded on different sizing agents, as epoxy resin, styrene-butadiene rubber(SBR), urea-formaldehyde resin, urethane, polyvinyl acetate (PVA) or polyvinyl alcohol, different base materials is selected according to environment for use, by the various combination of sizing agent and base material, use range is widened, and can be coated on the surface of unlike material, has good fluid drag-reduction ability, superpower " automatically cleaning " water proof anti-soil effect; In addition paint all can present excellent bonding effect in different undercoat; At present, the method has no domestic and international relevant report at present;

(3) the present invention is in bonding process, micro-rough structure has very large contribution, when liquid state or semi-solid state sizing agent touch nanostructure groove and hole, the permeability of nano pore makes micro-nano structure facetted portion divide to be embedded in sizing agent, macroscopically present excellent bonding effect, respectively to the glass of coating super hydrophobic coating in example one and example two, cement surface also recycles it while having carried out antifouling test and tests, find after mud contamination 10 times, super hydrophobic surface is still clean, the maximum static contact angle of slide glass of coating super hydrophobic coating reaches 162.0 °, roll angle is less than 5 °,

(4) the present invention is simple to operate, with low cost, and has excellence, stable ultra-hydrophobicity, without the need to the complex process such as photoetching, electrochemical deposition in preparation process, without the need to expensive device and harsh processing condition, has good Industry Development Prospect.

Accompanying drawing explanation

1) Fig. 1 is the microtexture SEM photo of the constructed super-hydrophobic coat of embodiment one step (1);

2) Fig. 2 is the optical photograph of the constructed super-hydrophobic coat of embodiment one step (2), and wherein, upper right corner illustration is the static contact angle test photo of this coating, and maximum static contact angle reaches 162.0 °;

3) substrate of glass coating super-hydrophobic coat (right side) of Fig. 3 constructed by embodiment one step (2) and the contrast photo of uncoated super-hydrophobic coat (left side) through mud repeated pollution;

4) Fig. 4 be in embodiment one micro-nano polyhedron at the bottom of cement based on constructed super-hydrophobic coat (right side) and the in kind photo of uncoated super-hydrophobic coat (left side) after mud contamination;

Embodiment

Below in conjunction with embodiment and accompanying drawing, the present invention is described further;

Wherein, the preparation of template, according to the difference of mould material, take one of following methods:

Method one: average particle size range is in the preparation of polyacrylamide (PAM) Nano microsphere of 300nm-1000nm

According to patent CN102924856A, by dispersion copolymerization method, in 75 DEG C of downhill reaction devices, add acrylamide (AM), polyvinylpyrrolidone (PVP), deionized water (H successively 2o), dehydrated alcohol (EtOH), initiator is added after stirring, control invariablenes turning speed, reaction process is carried out all the time under protection of inert gas, stopped reaction after 7h, gained emulsion is moved in beaker, treats that solvent volatilizees completely naturally, namely obtain polyacrylamide (PAM) Nano microsphere of median size at 300nm-1000nm;

Wherein material proportion (mass ratio) is acrylamide (AM): polyvinylpyrrolidone (PVP): deionized water (H 2o): dehydrated alcohol (EtOH): initiator=1:0.1-1:0.001-0.1:5-10:1-5;

In method one, initiator is the special butyl ester of Diisopropyl azodicarboxylate (AIBN), 2,2'-Azobis(2,4-dimethylvaleronitrile), dibenzoyl peroxide, dilauroyl peroxide, di-isopropyl peroxydicarbonate or perbenzoic acid, and the amount of initiator wherein added is 0.1% ~ 10% of monomer mass;

Method two: average particle size range is in the preparation of polymethylmethacrylate (PMMA) Nano microsphere of 300nm-1000nm

By emulsion polymerization, in 65 DEG C of downhill reaction devices, add methyl methacrylate (MMA), sodium bicarbonate (NaHCO successively 3), sodium laurylsulfonate (SDS), deionized water (H 2o), initiator potassium persulfate (KPS) is added after stirring, control invariablenes turning speed, reaction process is carried out all the time under protection of inert gas, stopped reaction after 6h, gained emulsion is moved in beaker, treats that solvent volatilizees completely naturally, namely obtain polymethylmethacrylate (PMMA) Nano microsphere of median size at 300nm-1000nm;

Wherein material proportion (mass ratio) is methyl methacrylate (MMA): sodium bicarbonate (NaHCO 3): sodium laurylsulfonate (SDS): deionized water (H 2o): Potassium Persulphate (KPS)=1:0.001-0.01:0.0005-0.005:1-20:0.001-0.01;

Method three: average particle size range is in the preparation of 80nm-1000nm polystyrene (PS) Nano microsphere

According to patent CN102643398A, by emulsion polymerization, in 70 DEG C of downhill reaction devices, add deionized water (H successively 2o), sodium laurylsulfonate (SDS), sodium bicarbonate (NaHCO 3), vinylbenzene (St), initiator potassium persulfate (KPS) is added after stirring, control invariablenes turning speed, reaction process is carried out all the time under protection of inert gas, stopped reaction after 13h, shift out standing by gained emulsion, under solvent room temperature, volatilization to the greatest extent, obtains the polystyrene of median size within the scope of 80nm-1000nm (PS) Nano microsphere naturally;

Wherein material proportion (mass ratio) is vinylbenzene (St): sodium laurylsulfonate (SDS): sodium bicarbonate (NaHCO 3): deionized water (H 2o): Potassium Persulphate (KPS)=1:0.00025-0.005:0.001-0.01:2.0-10.0:0.0015-0.015;

Embodiment one:

(1) preparation of super hydrophobic coating

The reactor that 80nm polystyrene (PS) Nano microsphere prepared according to method three is housed is injected under silicon sol condition of negative pressure, submergence template 2h, then reactor sealed and put into thermostat container, 60 DEG C of reaction 12h, 570 DEG C of temperature programming removing templates obtain solid block micro-nano compound polyhedron, the block micro-nano compound polyhedron of gained is fully ground to powder, this powder diameter distribution range is 100nm-5000nm (Britain's Malvern company nano particle size and potentiometric analyzer Nano-ZS90 test, and following steps and case study on implementation are together); Getting wherein 0.1g micro-nano compound polyhedron powder adds in reactor, then 10.0mL (7.88g) dispersion liquid acetone is added, treat that system temperature reaches 50 DEG C and adds 20.6 μ L (0.30g) perfluoro capryl Trimethoxy silanes, modified-reaction carries out 12h, controlling the polyhedral massfraction of micro-nano compound by volatilization after reaction terminates is 2.0%, is namely prepared into super hydrophobic coating;

Being prepared as of silicon sol adds 8.4mL tetraethoxy (TEOS), 10.0mL dehydrated alcohol (EtOH), 2.7mL deionized water (H successively 2o), 1.5mL concentrated hydrochloric acid (HCl) in reactor, at 60 DEG C, hydrolysis reaction 2h is stand-by;

(2) application of super hydrophobic coating, i.e. the constructing of super-hydrophobic coat

Constructing of super-hydrophobic coat comprises undercoat and external coating (EC): in this example, undercoat solution is purchased polyurethane binder, undercoat uniform application is covered in substrate of glass, step (1) super hydrophobic coating and external coating (EC) be sprayed on undercoat that (inside and outside coating is without the need to proportional distribution after sizing agent 100 DEG C solidification 10min, only undercoat all need be applied), treat dispersion liquid volatilization completely, 100 DEG C of solidification 5min, build super-hydrophobic coat;

Accompanying drawing 1 is the SEM photo (FEI Co. NanoSEM 450) of this super hydrophobic coating, be the super hydrophobic coating microtexture prepared by this embodiment, the bulk material of micrometer structure comprises various nano level groove, is coated on body surface by both forming composite structures and reaches super-hydrophobic effect;

Accompanying drawing 2 is water droplet under room temperature (25 DEG C) (through the methylene blue dyeing) optical photograph on this super-hydrophobic coat, water droplet still keeps spherical, show that this surface has larger contact angle and stronger hydrophobic performance, wherein upper right corner illustration is the static contact angle test photo of this coating, and used test instrument is the DSA30 contact angle tester that company produces, under room temperature (25 DEG C), select the pure water UPR-11-10T water purification machine of the Chengdu Ultra Pure Science & Technology Co., Ltd (preparation) the maximum static contact angle of test sample to be 162.0 °, roll angle is less than 5 ° (contact angle test conditions described in following steps and embodiment and testing tool with);

The slide glass (right side) of this coating super-hydrophobic coat is carried out mud contamination experiment, and this experiment is at room temperature carried out, and coated area accounts for 4/5 of slide glass area, is about 16cm 2, mud influence basin accounts for 2/3 of slide glass area, contrasts with the slide glass (left side) of uncoated super-hydrophobic coat, and repeatedly in circulation experiment, mud does not stick to and applied on the slide glass of super hydrophobic coating, and accompanying drawing 3 is its design sketch;

By undercoat urethane and external coating (EC) constructing super-drainage coating at the bottom of cement based, through mud contamination test, this experiment is at room temperature carried out, and cement substrate front surface used is about 400cm 2(long 20cm, wide 20cm), coated area is about 200cm 2(left side), its " automatically cleaning " ability of test (mud washes away rear effect and sees accompanying drawing 4) is washed away by mud, find in test process that mud does not stick at the bottom of the cement based having applied super hydrophobic coating, this coating has excellent " automatically cleaning " ability;

Embodiment two:

(1) preparation of super hydrophobic coating

The reactor that 200nm polystyrene (PS) Nano microsphere prepared through method three is housed is injected under silicon sol condition of negative pressure, submergence template 2h, then reactor sealed and put into thermostat container, 60 DEG C of reaction 12h, 570 DEG C of temperature programming removing templates obtain solid block micro-nano compound polyhedron, the block micro-nano compound polyhedron of gained is fully ground to powder, getting wherein 0.1g micro-nano compound polyhedron powder adds in reactor, then 10.0mL (7.88g) dispersion liquid acetone is added, treat that system temperature reaches 25 DEG C and adds 36.9 μ L (0.57g) perfluoro decyl Trimethoxy silanes, modified-reaction carries out 12h, controlling the polyhedral massfraction of micro-nano compound by volatilization after reaction terminates is 2.7%, namely super hydrophobic coating is prepared into,

The preparation of silicon sol is with embodiment one;

(2) application of super hydrophobic coating, i.e. the constructing of super-hydrophobic coat

In this example, undercoat is purchased styrene-butadiene rubber(SBR) tackiness agent, by undercoat uniform application in substrate of glass, after coating, after room temperature (25 DEG C) solidification 10min, build super-hydrophobic coat by step (1) super hydrophobic coating and external coating (EC) spraying and undercoat;

After tested, the maximum static contact angle of this sample is 155.2 °;

Embodiment three:

(1) preparation of super hydrophobic coating

The reactor that 300nm polyacrylamide (PAM) Nano microsphere prepared through method one is housed is injected under silicon sol condition of negative pressure, submergence template 2h, then reactor sealed and put into thermostat container, 60 DEG C of reaction 12h, soak removal template in water and obtain solid block micro-nano compound polyhedron, the block micro-nano compound polyhedron of gained is fully ground to powder, getting wherein 0.1g micro-nano compound polyhedron powder adds in reactor, then 10.0mL (7.88g) dispersion liquid acetone is added, treat that system temperature reaches 25 DEG C and adds 19.1 μ L (0.22g) trifluoro propane Trimethoxy silanes, modified-reaction carries out 12h, controlling the polyhedral massfraction of micro-nano compound by volatilization after reaction terminates is 5.0%, namely super hydrophobic coating is prepared into,

The preparation of silicon sol is with embodiment one;

(2) application of super hydrophobic coating, i.e. the constructing of super-hydrophobic coat

In this example, undercoat is purchased epoxy resin binder, by undercoat uniform application in substrate of glass, after coating, after room temperature (25 DEG C) solidification 10min, build super-hydrophobic coat by step (1) super hydrophobic coating and external coating (EC) spraying and undercoat;

The maximum static contact angle of this sample is 156.0 ° after tested;

Mud contamination experiment effect is with embodiment 1;

Embodiment four:

(1) preparation of super hydrophobic coating

The reactor that 400nm polymethylmethacrylate (PMMA) Nano microsphere prepared through method two is housed is injected under silicon sol condition of negative pressure, submergence template 2h, then reactor sealed and put into thermostat container, 60 DEG C of reaction 12h, 570 DEG C of temperature programmings are removed template and are obtained solid block micro-nano compound polyhedron, the block micro-nano compound polyhedron of gained is fully ground to powder, getting wherein 0.1g micro-nano compound polyhedron powder adds in reactor, then 10.0mL (7.88g) dispersion liquid acetone is added, treat that system temperature reaches 25 DEG C and adds 36.9 μ L (0.57g) perfluoro decyl Trimethoxy silanes, modified-reaction carries out 12h, controlling the polyhedral massfraction of micro-nano compound by volatilization after reaction terminates is 5.0%, namely super hydrophobic coating is prepared into,

The preparation of silicon sol is with embodiment one;

(2) application of super hydrophobic coating, i.e. the constructing of super-hydrophobic coat

In this example, undercoat is the epoxy resin binder purchased, by undercoat uniform application in substrate of glass, after its room temperature (25 DEG C) solidification 10min, build super-hydrophobic coat by step (1) super hydrophobic coating and external coating (EC) spraying and undercoat;

The maximum static contact angle of this sample is 154.7 ° after tested;

Mud contamination experiment effect is with embodiment 1;

Embodiment five:

(1) preparation of super hydrophobic coating

The reactor that 80nm polystyrene (PS) Nano microsphere prepared through method three is housed is injected under silicon sol condition of negative pressure, submergence template 2h, then reactor sealed and put into thermostat container, 60 DEG C of reaction 12h, 570 DEG C of temperature programming removing templates obtain solid block micro-nano compound polyhedron, the block micro-nano compound polyhedron of gained is fully ground to powder, getting wherein 0.1g micro-nano compound polyhedron powder adds in reactor, then 10.0mL (7.88g) dispersion liquid acetone is added, treat that system temperature reaches 50 DEG C and adds 31.0 μ L (0.30g) octamethylcyclotetrasiloxanes, modified-reaction carries out 12h, controlling the polyhedral massfraction of micro-nano compound by volatilization after reaction terminates is 2.0%, namely super hydrophobic coating is prepared into,

The preparation of silicon sol is with embodiment one;

(2) application of super hydrophobic coating, i.e. the constructing of super-hydrophobic coat

The tackiness agent of undercoat to be main component be polyvinyl acetate (PVA) (PVAc) in this example, its formula is: 25.0wt% (wt% refers to that this material accounts for the mass percent of total system, and following steps and embodiment are together) polyvinyl acetate (PVA) (PVAc), 3.0wt% Sodium dodecylbenzene sulfonate (SDBS), 72.0wt% deionized water (H 2o), by undercoat uniform application in substrate of glass, after its room temperature (25 DEG C) solidification 10min, step (1) super hydrophobic coating and external coating (EC) are sprayed on undercoat and build super-hydrophobic coat;

After tested, the maximum static contact angle of this sample is 153.5 °;

Mud contamination experiment effect is with embodiment 1;

Embodiment six:

Implementation step is with embodiment one, difference is that undercoat sizing agent main component used is polyvinyl alcohol, and its formula is 25wt% polyvinyl alcohol (PVA), 3wt% Sodium dodecylbenzene sulfonate (SDBS), 72wt% deionized water (H 2o), by undercoat uniform application on plastic plate, after its room temperature (25 DEG C) solidification 10min, step (1) super hydrophobic coating and external coating (EC) are sprayed on undercoat and build super-hydrophobic coat;

After tested, the maximum static contact angle of this sample is 160.7 °;

Mud contamination experiment effect is with embodiment 1;

Embodiment seven:

Implementation step is with embodiment one, difference is that undercoat sizing agent used is the urea-formaldehyde resin adhesive purchased, by undercoat uniform application on iron plate, after its room temperature (25 DEG C) solidification 15min, step (1) super hydrophobic coating and external coating (EC) are sprayed on undercoat and build super-hydrophobic coat;

After tested, the maximum static contact angle of this sample is 160.1 °;

Mud contamination experiment effect is with embodiment 1;

Embodiment eight:

Implementation step is with embodiment one, difference is, by undercoat uniform application in wood substrate, after sizing agent 100 DEG C solidification 5min, step (1) super hydrophobic coating and external coating (EC) are sprayed on undercoat, treat dispersion liquid volatilization completely, 100 DEG C of solidification 5min, build super-hydrophobic coat;

After tested, the maximum static contact angle of this sample is 157.6 °;

Mud contamination experiment effect is with embodiment 1;

Embodiment nine:

Implementation step is with embodiment one, difference is undercoat uniform application in fabric substrate, after sizing agent 100 DEG C solidification 10min, step (1) super hydrophobic coating and external coating (EC) are sprayed on undercoat, treat dispersion liquid volatilization completely, 100 DEG C of solidification 5min, build super-hydrophobic coat;

After tested, the maximum static contact angle of this sample is 161.4 °;

Mud contamination experiment effect is with embodiment 1;

Embodiment result is added up

Unaccomplished matter of the present invention is known technology.

Claims (7)

1. an inorganics super hydrophobic coating, is characterized by this material and is obtained by following methods, comprise the following steps:
To inject the reactor that Nano microsphere template is housed under silicon sol condition of negative pressure, submergence template 2h, then seals reactor and puts into thermostat container, 60 oc reacts 12h, selects to heat up or water soaking removal template, obtains solid block micro-nano compound polyhedron, after the drying of gained block micro-nano compound polyhedron, it is fully ground to powder; Get powder to pour in another reactor, add dispersion liquid acetone, then 25 ~ 50 oadd low surface energy under C silane coupler modified, reaction 10 ~ 15h, then make micro-nano compound polyhedron powder account for coating quality percent concentration by volatilization to be 0.5% ~ 20%, to be namely prepared into super hydrophobic coating;
Wherein material proportion is mass ratio is micro-nano compound polyhedron powder: dispersion liquid: silane coupling agent=1:10-100:0.1-10.0;
Described template comprises polyacrylamide (PAM) Nano microsphere, polymethylmethacrylate (PMMA) Nano microsphere or polystyrene (PS) Nano microsphere.
2. inorganics super hydrophobic coating as claimed in claim 1, it is characterized by described powder diameter distribution range is 100nm-5000nm.
3. inorganics super hydrophobic coating as claimed in claim 1, is characterized by the preparation method of described silicon sol, comprises the following steps: by tetraethoxy (TEOS), dehydrated alcohol (EtOH), deionized water (H 2o) and concentrated hydrochloric acid (HCl) mixing after in 60 ohydrolysis reaction 2h gained under C, its material proportion is volume ratio is tetraethoxy (TEOS): dehydrated alcohol (EtOH): deionized water (H 2o): concentrated hydrochloric acid (HCl)=1:1-5:0.1-0.5:0.05-0.5; Wherein the concentration of concentrated hydrochloric acid is 37%(massfraction).
4. inorganics super hydrophobic coating as claimed in claim 1, it is characterized by described silane coupling agent is octyl group silane, perfluoro capryl Trimethoxy silane, perfluoro capryl triethoxyl silane, perfluoro decyl Trimethoxy silane, perfluoro decyl triethoxyl silane, trifluoro propane Trimethoxy silane, hexamethyldisilazane or octamethylcyclotetrasiloxane.
5. the application method of inorganics super hydrophobic coating as claimed in claim 1, is characterized by constructing for super-hydrophobic coat, comprises the following steps:
First, undercoat solution is coated on substrate material surface, after cured, adopts spraying method to be coated on undercoat using the made super hydrophobic coating as external coating (EC), the dispersion liquid volatilization treating external coating (EC) completely, namely forms super-hydrophobic coat.
6. the application method of inorganics super hydrophobic coating as claimed in claim 5, the body material that it is characterized by described undercoat coating material is timber, metal, cement, fabric, plastics or glass.
7. the application method of inorganics super hydrophobic coating as claimed in claim 5, it is characterized by described undercoat is sizing agent material, is specially epoxy resin (EP), styrene-butadiene rubber(SBR) (SEBS), urea-formaldehyde resin (UF), urethane (PU), polyvinyl acetate (PVA) (PVAc) or polyvinyl alcohol (PVA).
CN201510126003.4A 2015-03-22 2015-03-22 A kind of inorganic matter super hydrophobic coating and application thereof CN104672962B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510126003.4A CN104672962B (en) 2015-03-22 2015-03-22 A kind of inorganic matter super hydrophobic coating and application thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510126003.4A CN104672962B (en) 2015-03-22 2015-03-22 A kind of inorganic matter super hydrophobic coating and application thereof

Publications (2)

Publication Number Publication Date
CN104672962A true CN104672962A (en) 2015-06-03
CN104672962B CN104672962B (en) 2016-11-16

Family

ID=53308571

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510126003.4A CN104672962B (en) 2015-03-22 2015-03-22 A kind of inorganic matter super hydrophobic coating and application thereof

Country Status (1)

Country Link
CN (1) CN104672962B (en)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105131682A (en) * 2015-09-30 2015-12-09 江苏耀兴安全玻璃有限公司 Preparation method for dustproof coating used for silicate glass
CN105462422A (en) * 2015-12-11 2016-04-06 安徽华中天力铝业有限公司 Low temperature resistance dual-surface coating polyester aluminum plating film and production method thereof
CN105462423A (en) * 2015-12-11 2016-04-06 安徽华中天力铝业有限公司 Antibacterial deodorization two-side coating polyester aluminized film and production method thereof
CN105542211A (en) * 2015-12-02 2016-05-04 安徽省通达包装材料有限公司 High temperature-resistant and anti-aging two-side coated polyester aluminized film and production method thereof
CN105567046A (en) * 2015-12-11 2016-05-11 安徽华中天力铝业有限公司 Carbon nanotube doped and modified double-side coated polyester aluminized film and production method for same
CN108068182A (en) * 2017-12-21 2018-05-25 安徽明豪实木家俱有限公司 A kind of solid wood furniture surface hydrophobicity method of modifying
CN108101385A (en) * 2017-12-28 2018-06-01 中科院广州化学有限公司 A kind of transparent hydrophobic coating and its preparation method and application
CN108165058A (en) * 2017-12-30 2018-06-15 浙江工业大学 A kind of preparation method of the micro-nano secondary structure super hydrophobic surface of silicon substrate
CN109705393A (en) * 2019-01-18 2019-05-03 常州乔尔塑料有限公司 A kind of ultralow water absorption rate urea-formaldehyde foam material and preparation method thereof
WO2020001399A1 (en) * 2018-06-24 2020-01-02 Nano And Advanced Materials Institute Limited Multi-layered, food-safe and non-stick coating

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1760112A (en) * 2005-11-22 2006-04-19 华中科技大学 Super hydrophobic surface possessing dual microtexture and preparation method
CN101544476A (en) * 2008-03-28 2009-09-30 皮尔金顿集团有限公司 Super-hydrophobic transparent coating and preparation method thereof
US20110084421A1 (en) * 2007-07-30 2011-04-14 Soane Labs, Llc Ultraphobic Compositions and Methods of Use
CN102219391A (en) * 2011-03-28 2011-10-19 华南理工大学 Method for forming super-hydrophobic coating on glass matrix

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1760112A (en) * 2005-11-22 2006-04-19 华中科技大学 Super hydrophobic surface possessing dual microtexture and preparation method
US20110084421A1 (en) * 2007-07-30 2011-04-14 Soane Labs, Llc Ultraphobic Compositions and Methods of Use
CN101544476A (en) * 2008-03-28 2009-09-30 皮尔金顿集团有限公司 Super-hydrophobic transparent coating and preparation method thereof
CN102219391A (en) * 2011-03-28 2011-10-19 华南理工大学 Method for forming super-hydrophobic coating on glass matrix

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105131682A (en) * 2015-09-30 2015-12-09 江苏耀兴安全玻璃有限公司 Preparation method for dustproof coating used for silicate glass
CN105542211A (en) * 2015-12-02 2016-05-04 安徽省通达包装材料有限公司 High temperature-resistant and anti-aging two-side coated polyester aluminized film and production method thereof
CN105462422A (en) * 2015-12-11 2016-04-06 安徽华中天力铝业有限公司 Low temperature resistance dual-surface coating polyester aluminum plating film and production method thereof
CN105462423A (en) * 2015-12-11 2016-04-06 安徽华中天力铝业有限公司 Antibacterial deodorization two-side coating polyester aluminized film and production method thereof
CN105567046A (en) * 2015-12-11 2016-05-11 安徽华中天力铝业有限公司 Carbon nanotube doped and modified double-side coated polyester aluminized film and production method for same
CN108068182A (en) * 2017-12-21 2018-05-25 安徽明豪实木家俱有限公司 A kind of solid wood furniture surface hydrophobicity method of modifying
CN108101385A (en) * 2017-12-28 2018-06-01 中科院广州化学有限公司 A kind of transparent hydrophobic coating and its preparation method and application
CN108165058A (en) * 2017-12-30 2018-06-15 浙江工业大学 A kind of preparation method of the micro-nano secondary structure super hydrophobic surface of silicon substrate
CN108165058B (en) * 2017-12-30 2020-05-26 浙江工业大学 Preparation method of silicon-based micro-nano secondary structure super-hydrophobic surface
WO2020001399A1 (en) * 2018-06-24 2020-01-02 Nano And Advanced Materials Institute Limited Multi-layered, food-safe and non-stick coating
CN109705393A (en) * 2019-01-18 2019-05-03 常州乔尔塑料有限公司 A kind of ultralow water absorption rate urea-formaldehyde foam material and preparation method thereof
CN109705393B (en) * 2019-01-18 2020-05-05 常州乔尔塑料有限公司 Urea formaldehyde foam material with ultralow water absorption rate and preparation method thereof

Also Published As

Publication number Publication date
CN104672962B (en) 2016-11-16

Similar Documents

Publication Publication Date Title
Liu et al. Robust translucent superhydrophobic PDMS/PMMA film by facile one-step spray for self-cleaning and efficient emulsion separation
Cao et al. Water-repellent properties of superhydrophobic and lubricant-infused “slippery” surfaces: A brief study on the functions and applications
Huang et al. Robust superhydrophobic TiO 2@ fabrics for UV shielding, self-cleaning and oil–water separation
Lai et al. Recent advances in TiO2‐based nanostructured surfaces with controllable wettability and adhesion
Liang et al. Retention and remobilization of stabilized silver nanoparticles in an undisturbed loamy sand soil
Wang et al. pH-responsive bidirectional oil–water separation material
Ragesh et al. A review on ‘self-cleaning and multifunctional materials’
Gao et al. Facile preparation of hybrid microspheres for super-hydrophobic coating and oil-water separation
Yong et al. A simple way to achieve superhydrophobicity, controllable water adhesion, anisotropic sliding, and anisotropic wetting based on femtosecond-laser-induced line-patterned surfaces
CN103938432B (en) There is the preparation method of the superhydrophobic fibers cellulosic material of micro-nano structure
Chen et al. Facile fabrication of self-repairing superhydrophobic coatings
Wang et al. A robust superhydrophobic PVDF composite coating with wear/corrosion-resistance properties
Li et al. A review on special wettability textiles: theoretical models, fabrication technologies and multifunctional applications
Liu et al. Self-healing surface hydrophobicity by consecutive release of hydrophobic molecules from mesoporous silica
Wang et al. Low drag porous ship with superhydrophobic and superoleophilic surface for oil spills cleanup
Zhou et al. A facile method for the fabrication of a superhydrophobic polydopamine-coated copper foam for oil/water separation
Mohammadi et al. Effect of surfactants on wetting of super-hydrophobic surfaces
EP1299463B1 (en) Foams containing functionalized metal oxide nanoparticles and methods of making same
Abdulhussein et al. Current trend in fabrication of complex morphologically tunable superhydrophobic nano scale surfaces
CN105419450B (en) A kind of high abrasion super hydrophobic composite coating and preparation method thereof
Jing et al. Biomimetic super durable and stable surfaces with superhydrophobicity
CN107987675A (en) A kind of wear-resisting super hydrophobic coating composition and its preparation method and application
CA1051284A (en) Process for coating pigment particles with organic polymers
Shiu et al. Fabrication of tunable superhydrophobic surfaces by nanosphere lithography
US8663742B2 (en) Durable polymer-aerogel based superhydrophobic coatings, a composite material

Legal Events

Date Code Title Description
PB01 Publication
C06 Publication
SE01 Entry into force of request for substantive examination
C10 Entry into substantive examination
GR01 Patent grant
C14 Grant of patent or utility model
TR01 Transfer of patent right

Effective date of registration: 20190404

Address after: 300401 Science Park of Hebei University of Technology, Beichen District, Tianjin

Patentee after: Tianjin Technology Co., Ltd.

Address before: 300401 Hebei University of Technology, 5340 Xiping Road, Shuangkou Town, Beichen District, Tianjin

Patentee before: Hebei University of Technology

TR01 Transfer of patent right