CN113337794A - Self-cleaning substrate surface coating for preventing fouling and manufacturing method thereof - Google Patents
Self-cleaning substrate surface coating for preventing fouling and manufacturing method thereof Download PDFInfo
- Publication number
- CN113337794A CN113337794A CN202110545059.9A CN202110545059A CN113337794A CN 113337794 A CN113337794 A CN 113337794A CN 202110545059 A CN202110545059 A CN 202110545059A CN 113337794 A CN113337794 A CN 113337794A
- Authority
- CN
- China
- Prior art keywords
- self
- cleaning
- base material
- substrate surface
- surface coating
- Prior art date
- Legal status (The legal status 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 status listed.)
- Pending
Links
- 239000000758 substrate Substances 0.000 title claims abstract description 79
- 238000000576 coating method Methods 0.000 title claims abstract description 76
- 239000011248 coating agent Substances 0.000 title claims abstract description 64
- 238000004140 cleaning Methods 0.000 title claims abstract description 62
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 26
- 239000000463 material Substances 0.000 claims abstract description 58
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 44
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 40
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims abstract description 34
- 238000004080 punching Methods 0.000 claims abstract description 27
- 150000001875 compounds Chemical class 0.000 claims abstract description 25
- 238000002207 thermal evaporation Methods 0.000 claims abstract description 18
- 239000008367 deionised water Substances 0.000 claims abstract description 16
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 16
- 238000001035 drying Methods 0.000 claims abstract description 12
- 239000013077 target material Substances 0.000 claims abstract description 10
- 239000007888 film coating Substances 0.000 claims abstract description 9
- 238000009501 film coating Methods 0.000 claims abstract description 9
- 238000000034 method Methods 0.000 claims abstract description 9
- 238000005406 washing Methods 0.000 claims abstract description 9
- 230000003373 anti-fouling effect Effects 0.000 claims abstract description 5
- -1 polytetrafluoroethylene Polymers 0.000 claims description 14
- 239000011521 glass Substances 0.000 claims description 11
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 11
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 11
- 239000000919 ceramic Substances 0.000 claims description 10
- 229920000642 polymer Polymers 0.000 claims description 4
- 238000005553 drilling Methods 0.000 claims 2
- 230000000694 effects Effects 0.000 abstract description 8
- 230000009471 action Effects 0.000 abstract description 6
- 239000000428 dust Substances 0.000 abstract description 6
- 238000005096 rolling process Methods 0.000 abstract description 5
- 230000007547 defect Effects 0.000 abstract description 2
- HQQADJVZYDDRJT-UHFFFAOYSA-N ethene;prop-1-ene Chemical group C=C.CC=C HQQADJVZYDDRJT-UHFFFAOYSA-N 0.000 description 9
- 229910052710 silicon Inorganic materials 0.000 description 8
- 239000010703 silicon Substances 0.000 description 8
- 239000004925 Acrylic resin Substances 0.000 description 6
- 229920000178 Acrylic resin Polymers 0.000 description 6
- 239000004812 Fluorinated ethylene propylene Substances 0.000 description 6
- 229920009441 perflouroethylene propylene Polymers 0.000 description 6
- 239000000945 filler Substances 0.000 description 5
- 230000002209 hydrophobic effect Effects 0.000 description 5
- 239000000654 additive Substances 0.000 description 3
- 239000008199 coating composition Substances 0.000 description 3
- 239000000839 emulsion Substances 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 229920002521 macromolecule Polymers 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- TXEYQDLBPFQVAA-UHFFFAOYSA-N tetrafluoromethane Chemical compound FC(F)(F)F TXEYQDLBPFQVAA-UHFFFAOYSA-N 0.000 description 2
- 238000001771 vacuum deposition Methods 0.000 description 2
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 1
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000005202 decontamination Methods 0.000 description 1
- 230000003588 decontaminative effect Effects 0.000 description 1
- 239000013530 defoamer Substances 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000003670 easy-to-clean Effects 0.000 description 1
- 239000003995 emulsifying agent Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000003999 initiator Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000003223 protective agent Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/02—Pretreatment of the material to be coated
- C23C14/021—Cleaning or etching treatments
- C23C14/022—Cleaning or etching treatments by means of bombardment with energetic particles or radiation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/60—Deposition of organic layers from vapour phase
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/06—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
- C23C14/12—Organic material
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
- C23C14/24—Vacuum evaporation
Abstract
The invention discloses an antifouling self-cleaning substrate surface coating and a manufacturing method thereof, belongs to the technical field of new material coatings, and particularly relates to the technical field of self-cleaning substrate surface coatings, aiming at solving the defect that the prior art has certain limitation in the aspect of improving the stain resistance of a coating, and the method comprises the following steps: cleaning the base material with alcohol for 2-3 times, and then drying; opening a precise laser micropore machine, placing the dried substrate on a workbench, and continuously punching the substrate; cleaning the punched base material with hydrochloric acid, washing with deionized water and alcohol respectively, and drying for later use; and (3) under the vacuum condition, using a high molecular compound as a target material, and carrying out film coating treatment on the dried substrate in a thermal evaporation mode. Because the high molecular compound has small self-tension, water drops can only form water balls under the action of the self-surface tension, absorb dust in rolling and roll out of the surface of the base material, and water stains can not be formed on the surface of the base material, so that the effect of keeping the surface of the base material clean is achieved.
Description
Technical Field
The invention discloses an antifouling self-cleaning substrate surface coating and a manufacturing method thereof, belongs to the technical field of new material coatings, and particularly relates to the technical field of self-cleaning substrate surface coatings.
Background
The insufficient stain resistance of the coating is a common problem of the substrate coating and also an outstanding technical problem which restricts the popularization and application of the substrate coating in China. Low surface energy perfluorocarbon resin and organic silicon modified acrylic resin are generally adopted at home and abroad, or perfluoro-containing and silicon-containing additives are added into the coating to reduce the attachment of pollutants, such as application numbers: cn200610172837.x discloses a stain resistant coating composition comprising, based on the total weight of the composition: 25-40 parts of base material emulsion, 30-45 parts of filler, 3-8 parts of filler additive and 0.1-1 part of polyurethane perfluorocarbon resin fabric protective agent. The invention also relates to the use of the stain resistant coating composition in architectural coatings. The stain-resistant coating composition has excellent stain resistance, water resistance and oil resistance, is economical in cost, and can be well applied to building coatings; application No.: CN201610455317.3 discloses a preparation method of a self-cleaning organic silicon modified acrylic resin heat-insulation reflective coating, and the invention obtains the self-cleaning heat-insulation reflective coating with high performance by utilizing the synergistic effect of the self-cleaning organic silicon modified acrylic resin and heat-insulation reflective filler. The method comprises the following steps: (1) taking an organic silicon monomer and an acrylic acid or acrylate monomer as raw materials, adding an emulsifier and deionized water, and preparing an organic silicon modified acrylic resin emulsion under the action of an initiator; (2) mixing nanometer ATO powder and nanometer TiO at a certain ratio2Stirring and mixing the powder, the hollow glass beads and the ultraviolet absorbent UV329 in a high-speed stirrer to form heat-insulating reflective filler for later use; (3) mixing a certain amount of organic silicon modified acrylic resin emulsion, heat-insulating reflective filler, dispersant, defoamer and film-forming additive, and fully stirring by a high-speed stirrer to obtain the self-cleaning organic silicon modified acrylic resin heat-insulating reflective coating with good dispersion.
The above patent improves the stain resistance of the coating to some extent. However, the air quality in China is generally poor, especially the content of dust and suspended particles is seriously polluted, the pollution is limited to the complexity of different regional environments, climatic conditions and pollution sources, and the technology has certain limitation.
Disclosure of Invention
The invention aims to: provides a self-cleaning substrate surface coating for preventing fouling and a manufacturing method thereof, aiming at solving the defect that the prior art has certain limitation on improving the fouling resistance of the coating.
The technical scheme adopted by the invention is as follows:
a method for producing a self-cleaning substrate surface coating for stain resistance, comprising the steps of:
step 1, cleaning a base material with alcohol for 2-3 times and then drying the base material;
step 2, opening the precise laser micro-hole machine, placing the base material dried in the step 1 on a workbench, and continuously punching the base material;
step 3, cleaning the punched base material with hydrochloric acid, washing with deionized water and alcohol respectively, and drying for later use;
and 4, taking a high molecular compound as a target material under a vacuum condition, and carrying out film coating treatment on the dried substrate in the step 3 in a thermal evaporation mode.
In the technical scheme of the application, after the surface of a substrate is cleaned, a precise laser microporosity machine is used for continuously punching holes, and then the substrate is cleaned, so that the surface of the substrate is provided with a microscopic hydrophobic rugged rough mechanism, the microscopic hydrophobic rugged rough mechanism is similar to the tiny projection of the lotus leaf surface, the minimum size of a water drop is far larger than the size of a recess, the recess part is provided with a layer of extremely thin air, after the water drops on the substrate, the water drop can only form contact with a plurality of points at the top end of the projection on the substrate, the water drop forms a spherical body under the action of the surface tension of the water drop, the water ball adsorbs dust in rolling and rolls out of the substrate, thereby achieving the effect of self-cleaning the substrate, and then a macromolecular compound acts on the surface of the substrate, on one hand, the contact area between pollution and a coating film is reduced, the contact angle of the surface of water is increased, the hydrophobicity of the coating surface of the substrate is further increased, thereby the rolling angle of water is reduced, rainwater is easy to wash, and the dust is easy to be cleaned, on the other hand, the F-C bond contained in the perfluorinated polymer compound is difficult to break under the action of light and heat, and the compound has the strong stability of super-strong pollution resistance, weather resistance and chemical resistance, so that the compound achieves the long-term effective self-cleaning effect.
Preferably, before the hole is punched in the step 2, parameters are set, specifically, the wavelength of the precise laser microporosity machine is 355nm, the distance from a laser head to a base material is 20-40cm, the punching depth is 3-5um, the hole spacing is 30-50um, and the hole diameter is 20-30 um.
More preferably, before the step 2 of punching, parameters are set, specifically, the wavelength of the precise laser micro-hole machine is 355nm, the distance from a laser head to a substrate is 30cm, the punching depth is 4um, the hole distance is 40um, and the hole diameter is 25 um.
Preferably, the concentration of hydrochloric acid in step 3 is 2% to 5%.
Preferably, in steps 1 and 3, the alcohol is 99% industrial alcohol.
Preferably, in step 4, the pressure under vacuum is 10-4-10-3Pa。
Preferably, the polymer compound is polytetrafluoroethylene or polyperfluoroethylpropylene.
Preferably, the thickness of the plating film is
Preferably, the time of the film coating treatment is 10-20 min.
Preferably, the substrate is glass or ceramic.
Preferably, the current is slowly increased to 330-350A before thermal evaporation.
Preferably, in step 4, the substrate is subjected to a coating treatment by thermal evaporation.
The self-cleaning substrate surface coating for preventing fouling is prepared by the manufacturing method of the self-cleaning substrate surface coating for preventing fouling.
In the technical scheme of the application, the model of the precise laser microporosity machine is YTC-1530W;
the vacuum coating machine is an SMC-1100 box type vacuum coating machine (DWDM);
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
1. according to the invention, after the surface of the substrate is continuously punched, an uneven rough surface is formed, then a high molecular compound is used as a target material to coat the punched substrate, the minimum size of a water drop is far larger than the size of a recess, the recess part is provided with a layer of extremely thin air, the water drops on the coated substrate and then only can be in contact with the top end of the projection on the substrate at several points, the water drop forms a spheroid under the action of the surface tension of the water drop, and the water ball absorbs dust in rolling and rolls out of the substrate, so that the effect of self-cleaning the substrate is achieved;
2. in the invention, the macromolecular compound acts on the surface of the substrate, so that on one hand, the contact area of the pollution and the coating is reduced, the surface contact angle to water is increased, and the hydrophobicity of the surface of the coating of the substrate is further increased, so that the rolling angle of water is reduced, rainwater is easy to wash, and dust is easy to clean;
3. in the invention, the F-C bond contained in the perfluorinated polymer compound is difficult to break under the action of light and heat, and the compound has the strong stability of super-strong pollution resistance, weather resistance and chemical resistance, so that the compound achieves the long-term effective self-cleaning effect;
4. according to the invention, the precise laser microporosity machine is adopted to punch the surface of the base material, the method can set related parameters through the machine setting screen, the punching precision is high, the effect is good, the precise laser microporosity machine is used to punch the surface of the base material, the operation method is simple, and the surface of the base material is clean and has no other substance residue after the operation is finished.
5. In the invention, tap water is dripped on the surface of the treated base material by a dropper, so that the water drops can be seen not to wet the surface of the base material but to rapidly bounce after contacting the surface of the base material, round and full water drops are formed on the base material, and the water drops are not easy to crack; when the base material is slightly inclined, the water drops gather into strands and flow down along the same direction to wash the surface of the base material, and the decontamination effect is good.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1
A method for producing a self-cleaning substrate surface coating for stain resistance, comprising the steps of:
step 1, cleaning a substrate with alcohol for 2-3 times, and then airing, wherein the alcohol is 99% industrial alcohol, and the substrate is glass;
step 2, opening the precise laser micro-hole machine, placing the base material dried in the step 1 on a workbench, and continuously punching the base material; before punching, setting parameters, specifically, the wavelength of a precision laser micro-hole machine is 355nm, the distance from a laser head to a base material is 20cm, the punching depth is 3um, the hole spacing is 30um, and the hole diameter is 20 um;
step 3, cleaning the punched base material with hydrochloric acid, washing with deionized water and alcohol respectively, and drying for later use, wherein the concentration of the hydrochloric acid is 2% and the alcohol is 99% industrial alcohol;
step 4, under the vacuum condition, taking a high molecular compound as a target material, wherein the high molecular compound is polytetrafluoroethylene or fluorinated ethylene propylene, and performing film coating treatment on the dried base material in the step 3 in a thermal evaporation mode, wherein the air pressure under the vacuum condition is 10- 4Pa, the time of coating treatment is 10min, and the thickness of the coating is
The current at thermal evaporation was 330A.
The self-cleaning substrate surface coating for preventing fouling is prepared by the manufacturing method of the self-cleaning substrate surface coating for preventing fouling.
Taking out 4 glass samples and comparison samples after two coatings (different thicknesses), and measuring contact angles at different times by using deionized water drops:
example 2
A method for producing a self-cleaning substrate surface coating for stain resistance, comprising the steps of:
step 1, cleaning a substrate with alcohol for 2-3 times, and then airing, wherein the alcohol is 99% industrial alcohol, and the substrate is glass;
step 2, opening the precise laser micro-hole machine, placing the base material dried in the step 1 on a workbench, and continuously punching the base material; before punching, setting parameters, specifically, the wavelength of a precision laser micro-hole machine is 355nm, the distance from a laser head to a base material is 30cm, the punching depth is 4um, the hole spacing is 40um, and the hole diameter is 25 um;
step 3, cleaning the punched base material with hydrochloric acid, washing with deionized water and alcohol respectively, and drying for later use, wherein the concentration of the hydrochloric acid is 4% and the alcohol is 99% industrial alcohol;
step 4, under the vacuum condition, taking a high molecular compound as a target material, wherein the high molecular compound is polytetrafluoroethylene or fluorinated ethylene propylene, and performing film coating treatment on the dried base material in the step 3 in a thermal evaporation mode, wherein the air pressure under the vacuum condition is 10- 3Pa, the time of coating treatment is 15min, and the thickness of the coating is
The current at thermal evaporation was 340A.
The self-cleaning substrate surface coating for preventing fouling is prepared by the manufacturing method of the self-cleaning substrate surface coating for preventing fouling.
Taking out 4 glass samples and comparison samples after two coatings (different thicknesses), and measuring contact angles at different times by using deionized water drops:
example 3
A method for producing a self-cleaning substrate surface coating for stain resistance, comprising the steps of:
step 1, cleaning a substrate with alcohol for 2-3 times, and then airing, wherein the alcohol is 99% industrial alcohol, and the substrate is glass;
step 2, opening the precise laser micro-hole machine, placing the base material dried in the step 1 on a workbench, and continuously punching the base material; before punching, setting parameters, specifically, the wavelength of a precision laser micro-hole machine is 355nm, the distance from a laser head to a base material is 40cm, the punching depth is 5um, the hole spacing is 50um, and the hole diameter is 30 um;
step 3, cleaning the punched base material with hydrochloric acid, washing with deionized water and alcohol respectively, and drying for later use, wherein the concentration of the hydrochloric acid is 3% and the alcohol is 99% industrial alcohol;
step 4, under the vacuum condition, taking a high molecular compound as a target material, wherein the high molecular compound is polytetrafluoroethylene or fluorinated ethylene propylene, and performing film coating treatment on the dried base material in the step 3 in a thermal evaporation mode, wherein the air pressure under the vacuum condition is 10- 4Pa, the time of coating treatment is 20min, and the thickness of the coating is
The current at thermal evaporation was 350A.
The self-cleaning substrate surface coating for preventing fouling is prepared by the manufacturing method of the self-cleaning substrate surface coating for preventing fouling.
Taking out 4 glass samples and comparison samples after two coatings (different thicknesses), and measuring contact angles at different times by using deionized water drops:
example 4
A method for producing a self-cleaning substrate surface coating for stain resistance, comprising the steps of:
step 1, cleaning a substrate with alcohol for 2-3 times, and then airing, wherein the alcohol is 99% industrial alcohol, and the substrate is ceramic;
step 2, opening the precise laser micro-hole machine, placing the base material dried in the step 1 on a workbench, and continuously punching the base material; before punching, setting parameters, specifically, the wavelength of a precision laser micro-hole machine is 355nm, the distance from a laser head to a base material is 20cm, the punching depth is 3um, the hole spacing is 30um, and the hole diameter is 20 um;
step 3, cleaning the punched base material with hydrochloric acid, washing with deionized water and alcohol respectively, and drying for later use, wherein the concentration of the hydrochloric acid is 2% and the alcohol is 99% industrial alcohol;
step 4, under the vacuum condition, taking a high molecular compound as a target material, wherein the high molecular compound is polytetrafluoroethylene or fluorinated ethylene propylene, and performing film coating treatment on the dried base material in the step 3 in a thermal evaporation mode, wherein the air pressure under the vacuum condition is 10- 4Pa, the time of coating treatment is 10min, and the thickness of the coating is
The current at thermal evaporation was 330A.
The self-cleaning substrate surface coating for preventing fouling is prepared by the manufacturing method of the self-cleaning substrate surface coating for preventing fouling.
Taking out 4 ceramic samples and comparison samples after two coatings (different thicknesses), and measuring contact angles at different times by using deionized water drops:
example 5
A method for producing a self-cleaning substrate surface coating for stain resistance, comprising the steps of:
step 1, cleaning a substrate with alcohol for 2-3 times, and then airing, wherein the alcohol is 99% industrial alcohol, and the substrate is ceramic;
step 2, opening the precise laser micro-hole machine, placing the base material dried in the step 1 on a workbench, and continuously punching the base material; before punching, setting parameters, specifically, the wavelength of a precision laser micro-hole machine is 355nm, the distance from a laser head to a base material is 30cm, the punching depth is 4um, the hole spacing is 40um, and the hole diameter is 25 um;
step 3, cleaning the punched base material with hydrochloric acid, washing with deionized water and alcohol respectively, and drying for later use, wherein the concentration of the hydrochloric acid is 4% and the alcohol is 99% industrial alcohol;
step 4, under the vacuum condition, taking a high molecular compound as a target material, wherein the high molecular compound is polytetrafluoroethylene or fluorinated ethylene propylene, and performing film coating treatment on the dried base material in the step 3 in a thermal evaporation mode, wherein the air pressure under the vacuum condition is 10- 3Pa, the time of coating treatment is 15min, and the thickness of the coating is
The current at thermal evaporation was 340A.
The self-cleaning substrate surface coating for preventing fouling is prepared by the manufacturing method of the self-cleaning substrate surface coating for preventing fouling.
Taking out 4 ceramic samples and comparison samples after two coatings (different thicknesses), and measuring contact angles at different times by using deionized water drops:
example 6
A method for producing a self-cleaning substrate surface coating for stain resistance, comprising the steps of:
step 1, cleaning a substrate with alcohol for 2-3 times, and then airing, wherein the alcohol is 99% industrial alcohol, and the substrate is ceramic;
step 2, opening the precise laser micro-hole machine, placing the base material dried in the step 1 on a workbench, and continuously punching the base material; before punching, setting parameters, specifically, the wavelength of a precision laser micro-hole machine is 355nm, the distance from a laser head to a base material is 40cm, the punching depth is 5um, the hole spacing is 50um, and the hole diameter is 30 um;
step 3, cleaning the punched base material with hydrochloric acid, washing with deionized water and alcohol respectively, and drying for later use, wherein the concentration of the hydrochloric acid is 3% and the alcohol is 99% industrial alcohol;
step 4, under the vacuum condition, taking a high molecular compound as a target material, wherein the high molecular compound is polytetrafluoroethylene or fluorinated ethylene propylene, and carrying out thermal evaporation on the dried substrate obtained in the step 3Coating the material under vacuum condition with pressure of 10- 4Pa, the time of coating treatment is 20min, and the thickness of the coating is
The current at thermal evaporation was 350A.
The self-cleaning substrate surface coating for preventing fouling is prepared by the manufacturing method of the self-cleaning substrate surface coating for preventing fouling.
Taking out 4 ceramic samples and comparison samples after two coatings (different thicknesses), and measuring contact angles at different times by using deionized water drops:
as a result: the hydrophobic effect of the polytetrafluoroethylene and the polyfluorinated ethylene propylene is better than that of a comparative sample after the polytetrafluoroethylene and the polyfluorinated ethylene propylene are coated on glass and ceramics; compared with polytetrafluoroethylene, the polyfluorinated ethylene propylene has better effect on glass and ceramics; the closer the distance from a laser head of the precise laser microporosity machine to a substrate, the shallower the punching depth, the smaller the hole spacing and the smaller the pore diameter, the rougher the surface, the more the locked air is, the less the contact with water is, and the better the hydrophobic effect is; and the thicker the thickness of the coating film is, the larger the contact angle is, and the better the hydrophobic effect is.
In the above embodiment, the pressure value of the vacuum condition is directly set on the vacuum coater.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A method for producing a self-cleaning substrate surface coating for stain resistance, comprising the steps of:
step 1, cleaning a base material with alcohol for 2-3 times and then drying the base material;
step 2, opening the precise laser micro-hole machine, placing the base material dried in the step 1 on a workbench, and continuously punching the base material;
step 3, cleaning the punched base material with hydrochloric acid, washing with deionized water and alcohol respectively, and drying for later use;
and 4, taking a high molecular compound as a target material under a vacuum condition, and carrying out film coating treatment on the dried substrate in the step 3 in a thermal evaporation mode.
2. The method for manufacturing a self-cleaning antifouling substrate surface coating according to claim 1, wherein before the step 2 of drilling, parameters are set, specifically, the wavelength of a precision laser microporator is 355nm, the distance from a laser head to the substrate is 20-40cm, the drilling depth is 3-5um, the hole spacing is 30-50um, and the hole diameter is 20-30 um.
3. The method for producing a self-cleaning substrate surface coating for stain resistance as claimed in claim 1 wherein the hydrochloric acid concentration in step 3 is 2-5%.
4. The method for producing a self-cleaning substrate surface coating for stain resistance as claimed in claim 1, wherein the pressure of the vacuum condition in step 4 is 10 "4 to 10" 3 Pa.
5. A method for producing a self-cleaning substrate surface coating for stain resistance as claimed in claim 1, wherein the polymer compound is polytetrafluoroethylene or polyperfluoroethylpropylene.
6. The method of claim 1, wherein the coating has a thickness of
7. The method for producing a self-cleaning antifouling substrate surface coating according to claim 1, wherein the coating treatment time is 10-20 min.
8. Method for the production of a self-cleaning substrate surface coating for antisoiling according to claim 1, wherein the substrate is glass or ceramic.
9. The method of claim 1, wherein the current during thermal evaporation is 330-.
10. A self-cleaning substrate surface coating for anti-fouling, obtainable by the method according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110545059.9A CN113337794A (en) | 2021-05-19 | 2021-05-19 | Self-cleaning substrate surface coating for preventing fouling and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110545059.9A CN113337794A (en) | 2021-05-19 | 2021-05-19 | Self-cleaning substrate surface coating for preventing fouling and manufacturing method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113337794A true CN113337794A (en) | 2021-09-03 |
Family
ID=77469488
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110545059.9A Pending CN113337794A (en) | 2021-05-19 | 2021-05-19 | Self-cleaning substrate surface coating for preventing fouling and manufacturing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113337794A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02258969A (en) * | 1989-03-29 | 1990-10-19 | Terumo Corp | Production of substrate having hydrophobic film |
| JP2010221495A (en) * | 2009-03-23 | 2010-10-07 | Fujifilm Corp | Liquid repelling treatment method, nozzle plate, inkjet head, and electronic device |
| CN103881120A (en) * | 2014-03-26 | 2014-06-25 | 哈尔滨工业大学 | Preparation method of lotus-like super-hydrophobic self-cleaning surface |
| CN104974581A (en) * | 2014-04-11 | 2015-10-14 | 中国科学院苏州纳米技术与纳米仿生研究所 | Super-hydrophobic heat-insulating coating and preparation method thereof |
| CN105950053A (en) * | 2016-06-27 | 2016-09-21 | 天津和悦新材料有限公司 | Novel material with hydrophobic function and preparation technology of novel material |
| CN106637085A (en) * | 2015-11-03 | 2017-05-10 | 中国科学院上海硅酸盐研究所 | Hydrophobic thin film as well as preparation method and application thereof |
| CN108707871A (en) * | 2018-05-25 | 2018-10-26 | 西安交通大学 | A kind of preparation method of the metal/non-metal laminated film with superhydrophobic characteristic |
| CN109485908A (en) * | 2018-10-30 | 2019-03-19 | 张玉英 | A kind of super hydrophobic porous film and preparation method of acid and alkali-resistance |
-
2021
- 2021-05-19 CN CN202110545059.9A patent/CN113337794A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02258969A (en) * | 1989-03-29 | 1990-10-19 | Terumo Corp | Production of substrate having hydrophobic film |
| JP2010221495A (en) * | 2009-03-23 | 2010-10-07 | Fujifilm Corp | Liquid repelling treatment method, nozzle plate, inkjet head, and electronic device |
| CN103881120A (en) * | 2014-03-26 | 2014-06-25 | 哈尔滨工业大学 | Preparation method of lotus-like super-hydrophobic self-cleaning surface |
| CN104974581A (en) * | 2014-04-11 | 2015-10-14 | 中国科学院苏州纳米技术与纳米仿生研究所 | Super-hydrophobic heat-insulating coating and preparation method thereof |
| CN106637085A (en) * | 2015-11-03 | 2017-05-10 | 中国科学院上海硅酸盐研究所 | Hydrophobic thin film as well as preparation method and application thereof |
| CN105950053A (en) * | 2016-06-27 | 2016-09-21 | 天津和悦新材料有限公司 | Novel material with hydrophobic function and preparation technology of novel material |
| CN108707871A (en) * | 2018-05-25 | 2018-10-26 | 西安交通大学 | A kind of preparation method of the metal/non-metal laminated film with superhydrophobic characteristic |
| CN109485908A (en) * | 2018-10-30 | 2019-03-19 | 张玉英 | A kind of super hydrophobic porous film and preparation method of acid and alkali-resistance |
Non-Patent Citations (2)
| Title |
|---|
| 卢艳: "《仿生疏水表面的润滑性》", 31 May 2019, 华中科技大学出版社 * |
| 董永春: "《环境光催化净化功能纺织品关键技术》", 31 August 2020, 中国纺织出版社 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110041741B (en) | Efficient water-collecting self-cleaning super-amphiphobic coating and preparation method thereof | |
| US8568870B2 (en) | Coating film for building material | |
| CN101962514B (en) | High-durability super-hydrophobic self-cleaning coating material and preparation method thereof | |
| CN107629684B (en) | A kind of multi-functional preparation method for repairing super-hydrophobic timber | |
| CN106433364A (en) | Superhydrophobicity coating based on waterborne emulsion and preparing method and application thereof | |
| CN104231916A (en) | Transparent super-hydrophobic nano-coating and spraying and preparation method thereof | |
| CN105563577A (en) | Method for improving mechanical stability of super-hydrophobic film on wood surface | |
| CN103936295B (en) | Super two thin surface layer of glass of a kind of antireflection and preparation method thereof | |
| CN105130206B (en) | A kind of preparation method of super-hydrophobic automatic cleaning glass | |
| CN110330839B (en) | Efficient dust-free hydrophobic coating for wood, metal and plastic surfaces and preparation method thereof | |
| CN103951278A (en) | Super-hydrophobic super-oleophobic anti-reflection glass surface layer and preparation method thereof | |
| CN111534218A (en) | Stain-resistant water paint and production process thereof | |
| CN110698930A (en) | Long-acting high-weather-resistance self-cleaning water-based multicolor paint and preparation method thereof | |
| CN112210281A (en) | Superhydrophilic coating composition | |
| CN103951277B (en) | A kind of super lyophoby anti-reflective glass upper layer and preparation method thereof | |
| CN115537050A (en) | Self-cleaning nanoparticle/organogel composite super-hydrophobic coating and preparation method thereof | |
| CN107716252A (en) | A kind of preparation method and its usage of self-clean type super-hydrophobic composite film material | |
| CN110936452A (en) | Construction method of typical needle leaf super-hydrophobic surface | |
| CN110694875A (en) | Method for obtaining super-hydrophobic surface of stepped layered structure | |
| CN113337794A (en) | Self-cleaning substrate surface coating for preventing fouling and manufacturing method thereof | |
| JPWO2016143297A1 (en) | Glass plate with coating film and method for producing the same | |
| CN112175422B (en) | Coating composition for automobile glass | |
| JP5065236B2 (en) | Antifouling coating liquid, antifouling coating layer forming method, and ceramic building material having antifouling coating layer | |
| JP2010138358A5 (en) | ||
| CN115197614A (en) | Waterproof anticorrosive paint for concrete and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210903 |