CN111748227A - Hydrophobic coating and cooking equipment with same - Google Patents
Hydrophobic coating and cooking equipment with same Download PDFInfo
- Publication number
- CN111748227A CN111748227A CN202010472336.3A CN202010472336A CN111748227A CN 111748227 A CN111748227 A CN 111748227A CN 202010472336 A CN202010472336 A CN 202010472336A CN 111748227 A CN111748227 A CN 111748227A
- Authority
- CN
- China
- Prior art keywords
- hydrophobic coating
- coating
- hydrophobic
- wall
- cooking apparatus
- 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
- 238000000576 coating method Methods 0.000 title claims abstract description 130
- 239000011248 coating agent Substances 0.000 title claims abstract description 129
- 230000002209 hydrophobic effect Effects 0.000 title claims abstract description 99
- 238000010411 cooking Methods 0.000 title claims abstract description 52
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims abstract description 18
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 9
- 239000002904 solvent Substances 0.000 claims abstract description 9
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims abstract description 8
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 claims abstract description 6
- 150000001298 alcohols Chemical class 0.000 claims abstract description 4
- 150000001335 aliphatic alkanes Chemical class 0.000 claims abstract description 4
- 150000001555 benzenes Chemical class 0.000 claims abstract description 4
- 150000002148 esters Chemical class 0.000 claims abstract description 4
- 150000002170 ethers Chemical class 0.000 claims abstract description 4
- 150000002576 ketones Chemical class 0.000 claims abstract description 4
- 235000006408 oxalic acid Nutrition 0.000 claims abstract description 4
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 4
- 239000010703 silicon Substances 0.000 claims abstract description 4
- 238000010438 heat treatment Methods 0.000 claims description 26
- 125000001165 hydrophobic group Chemical group 0.000 claims description 5
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 4
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims description 3
- 125000003277 amino group Chemical group 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 24
- 239000011797 cavity material Substances 0.000 description 24
- 239000000758 substrate Substances 0.000 description 18
- 239000000463 material Substances 0.000 description 13
- 238000004140 cleaning Methods 0.000 description 7
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 6
- 239000011247 coating layer Substances 0.000 description 5
- 238000001035 drying Methods 0.000 description 4
- 230000003670 easy-to-clean Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 229910001220 stainless steel Inorganic materials 0.000 description 4
- 239000010935 stainless steel Substances 0.000 description 4
- 239000003921 oil Substances 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 2
- 125000000217 alkyl group Chemical group 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 125000000753 cycloalkyl group Chemical group 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- USIUVYZYUHIAEV-UHFFFAOYSA-N diphenyl ether Chemical compound C=1C=CC=CC=1OC1=CC=CC=C1 USIUVYZYUHIAEV-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009246 food effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 2
- 238000003672 processing method Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 229920001410 Microfiber Polymers 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000012459 cleaning agent Substances 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 210000003298 dental enamel Anatomy 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 125000000118 dimethyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 230000005661 hydrophobic surface Effects 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000005543 nano-size silicon particle Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 229920002545 silicone oil Polymers 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D1/00—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J36/00—Parts, details or accessories of cooking-vessels
- A47J36/02—Selection of specific materials, e.g. heavy bottoms with copper inlay or with insulating inlay
- A47J36/025—Vessels with non-stick features, e.g. coatings
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J36/00—Parts, details or accessories of cooking-vessels
- A47J36/24—Warming devices
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/16—Antifouling paints; Underwater paints
- C09D5/1687—Use of special additives
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Food Science & Technology (AREA)
- Inorganic Chemistry (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The invention provides a hydrophobic coating and cooking equipment with the same, wherein the hydrophobic coating comprises the following components in percentage by mass: 65-80% of solvent, 2-9% of PH regulator, 0.5-4% of flatting agent and 13-30% of modified nano silica sol, wherein the solvent comprises at least one of ethers, esters, alkanes, benzenes, ketones and alcohols, the PH regulator comprises one of oxalic acid, hydrochloric acid and acetic acid, and the flatting agent comprises organic silicon. The hydrophobic coating has good hydrophobic property, and has the advantage of preventing condensed water and scale from accumulating when being applied to cooking equipment.
Description
Technical Field
The invention relates to the technical field of kitchens, in particular to a hydrophobic coating and cooking equipment with the same.
Background
The inner cavity materials of cooking equipment such as a steaming oven mainly comprise stainless steel and enamel, and the prior art has two solutions aiming at the easy-to-clean solution of the stainless steel, one is realized by utilizing the non-stick principle of a hydrophobic and oleophobic coating, and the other is realized by utilizing a hydrophilic and oleophobic coating to peel off oil stains after hydrophilic infiltration. However, both of these schemes face other problems when in practical use: the hydrophobic and oleophobic coating can generate a large amount of condensed water, so that the equipment is not favorable for heat preservation and cooking processing of food materials; the hydrophilic oleophobic coating has the advantages that due to the hydrophilic characteristic, water scale can remain on the substrate after water is evaporated, the binding force is strong, the water scale is not easy to remove, and new use troubles are brought to users. And the hydrophobic coating coated in the inner cavity of the cooking equipment has uneven hydrophobic characteristics, so that the cleaning characteristic after coating the hydrophobic coating on the cooking equipment cannot be guaranteed, and the use experience of a user is poor.
Disclosure of Invention
The present invention has been made to solve one of the problems occurring in the related art to some extent, and therefore it is an object of the present invention to provide a hydrophobic coating material having good hydrophobic characteristics.
The above purpose is realized by the following technical scheme:
a hydrophobic coating comprises the following components in parts by mass: 65-80% of solvent, 2-9% of PH regulator, 0.5-4% of flatting agent and 13-30% of modified nano silica sol, wherein the solvent comprises at least one of ethers, esters, alkanes, benzenes, ketones and alcohols, the PH regulator comprises one of oxalic acid, hydrochloric acid and acetic acid, and the flatting agent comprises organic silicon.
As a further improvement of the invention, a hydrophilic group and a hydrophobic group are connected on the modified nano silica sol, the hydrophilic group comprises one of hydroxyl, carboxyl and amino, and the hydrophobic group comprises one of long-chain fatty alkyl and benzene-containing cycloalkyl.
As a further improvement of the invention, the pH of the hydrophobic coating is 2 to 5.
Another object of the present invention is to provide a cooking device with a hydrophobic coating to prevent excessive condensation in the cavity of the cooking device.
The above purpose is realized by the following technical scheme:
a cooking apparatus having a hydrophobic coating, said cooking apparatus comprising a chamber wall, said one hydrophobic coating being applied to at least one wall of said chamber wall to form a hydrophobic coating on said at least one wall of said chamber wall, and a hydrophilic coating on said at least one wall of said chamber wall.
As a further improvement of the invention, the cooking device is provided with a heating device, the wall surface of the inner cavity wall close to the heating device is a near heating surface, and the wall surface of the inner cavity wall far away from the heating device is a far heating surface.
As a further improvement of the invention, a hydrophilic coating is also included between the proximal heating surface and the hydrophobic coating.
As a further improvement of the invention, the combination mode of the hydrophobic coating and the inner cavity wall or the hydrophobic coating and the hydrophilic coating is physical combination.
As a further improvement of the invention, the surface hydrophobic angle of the hydrophobic coating is more than 100 degrees.
As a further improvement of the invention, the thickness of the hydrophobic coating is 5-15 nm.
As a further development of the invention, the hydrophobic coating is a permeable coating.
Compared with the prior art, the invention at least comprises the following beneficial effects:
1. the invention provides a hydrophobic coating which has good hydrophobic characteristics.
2. The invention provides cooking equipment with a hydrophobic coating, which is characterized in that the different wall surfaces on the inner cavity wall of the cooking equipment are respectively coated with a hydrophilic coating or a hydrophobic coating, and the hydrophilic characteristic and the hydrophobic characteristic are matched to achieve the aims of preventing excessive condensed water in the inner cavity of the cooking equipment and avoiding scale deposition on the inner cavity wall surface of the cooking equipment, ensuring the cooking effect of food, and the inner cavity of the cooking equipment is easy to clean, convenient for a user to use and capable of meeting the user requirements.
Drawings
FIG. 1 is a schematic view showing the formation of a hydrophobic surface after a hydrophobic coating layer is applied to a distal heating surface in an example;
FIG. 2 is a schematic diagram of an embodiment in which a hydrophilic coating is applied to the proximal heating surface and then a hydrophobic coating is applied;
FIG. 3 is a schematic view of the embodiment in which a hydrophilic coating is applied to the distal heating surface or the proximal heating surface;
FIG. 4 is a structural view of a cooking apparatus in the embodiment;
fig. 5 is another structural view of the cooking apparatus in the embodiment.
Detailed Description
The present invention is illustrated by the following examples, but the present invention is not limited to these examples. Modifications to the embodiments of the invention or equivalent substitutions of parts of technical features without departing from the spirit of the invention are intended to be covered by the scope of the claims of the invention.
The first embodiment is as follows:
a hydrophobic coating comprises the following components in parts by mass: 65-80% of solvent, 2-9% of PH regulator, 0.5-4% of flatting agent and 13-30% of modified nano silica sol, wherein the solvent comprises at least one of ethers, esters, alkanes, benzenes, ketones and alcohols, and is preferably a mixture of isopropanol and diphenyl ether; the pH regulator comprises one of oxalic acid, hydrochloric acid and acetic acid, preferably acetic acid, and the pH of the acetic acid is 1-2; the leveling agent comprises organic silicon, preferably dimethyl silicone oil.
The particle diameter of the modified nano-silicon sol is 80-200 nm. The modified nano silica sol is connected with a hydrophilic group and a hydrophobic group, the hydrophilic group comprises one of hydroxyl, carboxyl and amino, and preferably, the hydroxyl is in hydrogen bond association with the surface of a substance. The hydrophobic group comprises one of long-chain fatty alkyl and benzene-containing cycloalkyl.
The pH of the hydrophobic coating is 2-5. The coating is colorless transparent liquid, and the relative density is 0.5-1.0g/cm3In this example, the relative density was 0.768g/cm3. Has the advantages of inflammability, ignition point of more than 51 ℃ and boiling point temperature of 171-204 ℃. The autoignition temperature was 365 ℃ and the vapor pressure was 0.106 kPa.
The hydrophobic coating is prepared by dispersing an amphiphilic polymer in a mineral solvent, when the hydrophobic coating is coated on the surface of a substrate, the polymer establishes a high-molecular nanoscale lattice structure on the surface through a chemical reaction, the original physical property and appearance of the substrate are maintained, the surface tension of the material is reduced, and the surface generates strong water resistance and oil resistance, so that the functions of water resistance, stain resistance, easy cleaning and self cleaning are achieved. The substrate comprises stainless steel, glass, metal and ceramic. The hydrophobic coating has good hydrophobic property, and has the advantage of preventing condensed water and scale from accumulating when being applied to cooking equipment.
Example two:
referring to fig. 1 to 5, a cooking apparatus having a hydrophobic coating according to the present invention includes a chamber wall 1, a hydrophobic coating material as described above is applied on at least one wall surface of the chamber wall 1 to form a hydrophobic coating layer 3 on at least one wall surface of the chamber wall 1, and a hydrophilic coating layer 2 is applied on at least one wall surface of the chamber wall 1.
The cooking apparatus includes an oven, a steam box, a steam oven, and the like. In this embodiment, the inner cavity of the cooking device is made of stainless steel.
If the hydrophobic coating 3 is completely coated on the inner cavity wall 1 of the cooking equipment, a large amount of condensed water can be generated in the inner cavity of the cooking equipment, so that the heat preservation of the equipment is not facilitated, and the mouthfeel of food is easily influenced when the food is cooked; if all the hydrophilic coating 2 is coated on the inner cavity wall 1 of the cooking device, due to the hydrophilic characteristic of the hydrophilic coating 2, water on the inner cavity wall 1 of the cooking device can leave water scale after water vapor is evaporated and remains on the inner cavity wall 1 of the cooking device, the binding force of the hydrophilic coating is strong, the hydrophilic coating is not easy to remove, and troubles are brought to use and cleaning of a user. The invention provides a cooking device with a hydrophobic coating 3, wherein the hydrophilic coating 2 or the hydrophobic coating 3 is respectively coated on different wall surfaces on the wall 1 of an inner cavity of the cooking device, and the hydrophilic characteristic and the hydrophobic characteristic are matched to achieve the effects of preventing much condensed water in the inner cavity of the cooking device and the deposition of scale on the wall surface, ensuring the cooking effect of food, and the inner cavity of the cooking device is easy to clean, convenient for a user to use and capable of meeting the user requirements.
Cooking equipment is equipped with the device that generates heat, inner chamber wall 1 is close to the wall of the device that generates heat is the face of generating heat closely, inner chamber wall 1 is kept away from the wall of the device that generates heat is the face of generating heat far away.
A hydrophilic coating 2 is also included between the proximal heating surface and the hydrophobic coating 3. When the far heating surface is to be made hydrophilic as shown in fig. 3, a hydrophilic coating 2 is coated on the far heating surface; when the far heating surface is made hydrophobic as shown in fig. 1, a hydrophobic coating 3 is applied to the far heating surface. When the near heating surface is to be made hydrophilic as shown in fig. 3, a hydrophilic coating 2 is coated on the near heating surface; when the near heating surface is made hydrophobic as shown in fig. 2, a hydrophilic coating 2 is applied on the near heating surface, and then a hydrophobic coating 3 is applied.
In this embodiment, cooking equipment includes inner chamber wall 1, and inner chamber wall 1 includes roof, lower diapire, left side wall, right side wall and back wall down, go up the roof with the diapire is nearly heating surface down, left side wall, right side wall and back wall are far heating surface.
In order to prevent much condensed water and scale deposit on the wall surface in the inner cavity of the cooking device, one embodiment is as follows: as shown in fig. 4, the left side wall, the right side wall and the rear wall are coated with the hydrophobic coating material described in the first embodiment to form a hydrophobic coating layer 3 on the left side wall, the right side wall and the rear wall, and the upper top wall and the lower bottom wall are coated with a hydrophilic coating layer 2 to achieve the purposes of reducing condensed water in the cooking device and preventing scale formation on the left side wall, the right side wall and the rear wall, and a heating and drying device can be arranged between the lower bottom wall of the inner cavity wall 1 and the cooking device shell to accelerate the evaporation of water.
In order to prevent much condensed water and scale deposit on the wall surface in the inner cavity of the cooking device, another embodiment is as follows: as shown in fig. 5, after the hydrophilic coating 2 is coated on the lower bottom wall, the hydrophobic coating 3 is formed on the lower bottom wall by coating the hydrophobic coating described in the first embodiment on the lower bottom wall, and the hydrophilic coatings 2 are coated on the upper top wall, the left side wall, the right side wall and the rear wall, so as to achieve the purpose of reducing condensed water in the inner cavity of the cooking device, and the lower bottom wall is not easy to scale, and the lower bottom wall can be provided with a flow guide device to further discharge the condensed water. Because the lower bottom wall is a near heating surface, a hydrophilic coating 2 is also arranged between the lower bottom wall and the hydrophobic coating 3, namely the hydrophilic coating 2 is coated on the lower bottom wall to form hydrophilic characteristic, and then the hydrophobic coating is coated on the hydrophilic coating 2 to form the hydrophobic coating 3. Preferably, the hydrophilic coating 2 has high temperature resistance characteristics.
The combination mode of the hydrophobic coating 3 and the inner cavity wall 1 or the hydrophobic coating 3 and the hydrophilic coating 2 is physical combination. The hydrophilic coating 2 and the substrate are chemically bonded. The surface hydrophobic angle of the hydrophobic coating 3 is more than 100 degrees, and the contact angle of the surface of the hydrophilic coating 2 is less than 70 degrees. The thickness of the hydrophobic coating 3 is 5-15 nanometers. In this example, the hydrophobic coating 3 has a thickness of 10 nm. The surface of the hydrophilic coating 2 is rich in Si element, the film thickness is less than 3 microns, and the hydrophilic coating is a covering coating which needs to be cured at high temperature. In this example, the hydrophilic coating 2 is 2 microns. The hydrophobic coating 3 is a permeable coating.
Before the hydrophobic coating is coated on a substrate, the surface of the substrate can be cleaned by water, a cleaning agent or alcohol, so as to ensure that the surface of the substrate to be treated is clean and dry; when the hydrophobic coating is applied, a special applying brush is used, the special applying brush is treated by the easy-to-clean curing agent, the special applying brush uniformly applies the hydrophobic coating on the surface of the substrate, the hydrophobic coating can be applied transversely and vertically and can also be applied in a circling manner, and the uniform treatment of the whole surface of the substrate is ensured. After the coating is finished and naturally dried and cured for 10-15 minutes, the surface is wiped clean by using an ultrafine fiber cloth. The base material can generate hydrophobic effect within 1 minute after being coated with the hydrophobic coating, and the optimal effect is achieved after 24-48 hours, so that the method is suitable for relevant performance tests. For batch production, a full-automatic easy-cleaning production line can be used, the automatic operation of all the procedures is realized, the stable and controllable quality is ensured, the production efficiency can be improved, the production management is simplified, and the production and labor cost is saved.
If the far-heating surface is coated with the hydrophobic coating, the processing method comprises the following steps: cleaning the surface of the base material; coating the hydrophobic coating on the surface of the cleaned substrate; the hydrophobic coating is solidified on the surface of the substrate; after curing, the surface of the substrate coated with the hydrophobic coating has a white haze which needs to be cleaned.
If the hydrophobic coating is coated on the near heating surface, the processing method is as follows: removing oil on the surface of the base material and the reverse ultrasonic wave at high temperature; washing the surface of the base material with water; pure water washing is carried out on the surface of the base material; drying at low temperature along with the surface of the base material; coating a hydrophilic coating 2 on a substrate; the surface of the substrate is dried after the hydrophilic coating 2 is coated; curing the clear water coating; washing and drying the base material coated with the hydrophilic coating 2; drying for later use; cleaning the surface of the base material; coating the hydrophobic coating on the surface of the cleaned substrate; the hydrophobic coating is solidified on the surface of the substrate; after curing, the surface of the substrate coated with the hydrophobic coating has a white haze which needs to be cleaned.
The above preferred embodiments should be considered as examples of the embodiments of the present application, and technical deductions, substitutions, improvements and the like similar to, similar to or based on the embodiments of the present application should be considered as the protection scope of the present patent.
Claims (10)
1. The hydrophobic coating is characterized by comprising the following components in percentage by mass: 65-80% of solvent, 2-9% of PH regulator, 0.5-4% of flatting agent and 13-30% of modified nano silica sol, wherein the solvent comprises at least one of ethers, esters, alkanes, benzenes, ketones and alcohols, the PH regulator comprises one of oxalic acid, hydrochloric acid and acetic acid, and the flatting agent comprises organic silicon.
2. The hydrophobic coating of claim 1, wherein the modified nanosilica sol has attached thereto hydrophilic groups comprising one of hydroxyl, carboxyl, and amino groups and hydrophobic groups comprising one of long chain aliphatic alkyl and phenylcycloalkyl groups.
3. The hydrophobic coating of claim 1, wherein the hydrophobic coating has a PH of 2 to 5.
4. A cooking apparatus having a hydrophobic coating, the cooking apparatus comprising a chamber wall, a hydrophobic coating according to any one of claims 1 to 3 applied to at least one wall of the chamber wall to form the hydrophobic coating on the at least one wall of the chamber wall, and a hydrophilic coating on the at least one wall of the chamber wall.
5. The cooking apparatus with the hydrophobic coating as claimed in claim 4, wherein the cooking apparatus is provided with a heat generating device, the wall surface of the inner cavity wall close to the heat generating device is a near heat generating surface, and the wall surface of the inner cavity wall far away from the heat generating device is a far heat generating surface.
6. The cooking apparatus according to claim 5, further comprising a hydrophilic coating between the proximal heating surface and the hydrophobic coating.
7. The cooking apparatus with hydrophobic coating of claim 6, wherein the hydrophobic coating is physically bonded to the inner chamber wall or the hydrophobic coating is physically bonded to the hydrophilic coating.
8. The cooking apparatus with the hydrophobic coating of claim 4, wherein the hydrophobic coating has a surface hydrophobic angle greater than 100 °.
9. The cooking apparatus having a hydrophobic coating according to claim 4, wherein the hydrophobic coating has a thickness of 5-15 nm.
10. The cooking apparatus with the hydrophobic coating of claim 4, wherein the hydrophobic coating is a permeable coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010472336.3A CN111748227A (en) | 2020-05-29 | 2020-05-29 | Hydrophobic coating and cooking equipment with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010472336.3A CN111748227A (en) | 2020-05-29 | 2020-05-29 | Hydrophobic coating and cooking equipment with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111748227A true CN111748227A (en) | 2020-10-09 |
Family
ID=72674104
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010472336.3A Pending CN111748227A (en) | 2020-05-29 | 2020-05-29 | Hydrophobic coating and cooking equipment with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111748227A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112359361A (en) * | 2020-10-15 | 2021-02-12 | 华帝股份有限公司 | Super-hydrophobic surface treating agent and preparation method and application thereof |
| CN112376055A (en) * | 2020-10-15 | 2021-02-19 | 华帝股份有限公司 | Anti-scaling shell assembly and production process thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004359834A (en) * | 2003-06-05 | 2004-12-24 | Mitsubishi Chemicals Corp | Stain resistance imparting agent and stain resistant article using the same |
| KR100907719B1 (en) * | 2009-04-22 | 2009-07-14 | 주식회사 웰쳐화인텍 | Scum prevention panel of sewer |
| CN102181194A (en) * | 2010-04-22 | 2011-09-14 | 上海友斯高分子材料科技发展有限公司 | Environment-friendly anti-scaling nano-ceramic membrane coating and preparation method of the environment-friendly anti-scaling nano-ceramic membrane coating |
| CN104854203A (en) * | 2012-12-21 | 2015-08-19 | 荷兰联合利华有限公司 | Composition for hydrophobic coating |
| CN109294293A (en) * | 2018-09-14 | 2019-02-01 | 湖南凯斯利新材料有限公司 | A kind of rail transit cars interior trim aqueous inorganic ceramic coating and preparation method thereof |
| CN110467830A (en) * | 2019-07-23 | 2019-11-19 | 北京易净星科技有限公司 | Wear-resisting hydrophobic coating and the method for preparing wear-resisting hydrophobic coating |
-
2020
- 2020-05-29 CN CN202010472336.3A patent/CN111748227A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004359834A (en) * | 2003-06-05 | 2004-12-24 | Mitsubishi Chemicals Corp | Stain resistance imparting agent and stain resistant article using the same |
| KR100907719B1 (en) * | 2009-04-22 | 2009-07-14 | 주식회사 웰쳐화인텍 | Scum prevention panel of sewer |
| CN102181194A (en) * | 2010-04-22 | 2011-09-14 | 上海友斯高分子材料科技发展有限公司 | Environment-friendly anti-scaling nano-ceramic membrane coating and preparation method of the environment-friendly anti-scaling nano-ceramic membrane coating |
| CN104854203A (en) * | 2012-12-21 | 2015-08-19 | 荷兰联合利华有限公司 | Composition for hydrophobic coating |
| CN109294293A (en) * | 2018-09-14 | 2019-02-01 | 湖南凯斯利新材料有限公司 | A kind of rail transit cars interior trim aqueous inorganic ceramic coating and preparation method thereof |
| CN110467830A (en) * | 2019-07-23 | 2019-11-19 | 北京易净星科技有限公司 | Wear-resisting hydrophobic coating and the method for preparing wear-resisting hydrophobic coating |
Non-Patent Citations (1)
| Title |
|---|
| 江振林: "《聚硅氧烷耐热疏水涂层的制备与性能研究》", 《中国优秀硕士学位论文全文数据库》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112359361A (en) * | 2020-10-15 | 2021-02-12 | 华帝股份有限公司 | Super-hydrophobic surface treating agent and preparation method and application thereof |
| CN112376055A (en) * | 2020-10-15 | 2021-02-19 | 华帝股份有限公司 | Anti-scaling shell assembly and production process thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107384055B (en) | A kind of durable superhydrophobic coating and preparation method thereof | |
| JP5109108B2 (en) | Method for producing silica airgel membrane | |
| JP3186768B2 (en) | Hydrophobic and abrasion resistant antireflective material and method of depositing an antireflective, hydrophobic and abrasion resistant coating on a substrate | |
| US5238746A (en) | Fluorocarbon-based polymer lamination coating film and method of manufacturing the same | |
| Manca et al. | Durable superhydrophobic and antireflective surfaces by trimethylsilanized silica nanoparticles-based sol− gel processing | |
| WO1999063022A1 (en) | Process for producing article coated with water-repellent film, article coated with water-repellent film, and liquid composition for water-repellent film coating | |
| CN111748227A (en) | Hydrophobic coating and cooking equipment with same | |
| JP2010189212A (en) | Porous silica film and method for manufacturing the same | |
| JP2009527011A (en) | Method for coating glass plates | |
| JPH0558677A (en) | Method for forming small irregularity on substrate surface | |
| TW459306B (en) | Method and apparatus for making aerogel film | |
| JP6805127B2 (en) | Glass plate with coating film and its manufacturing method | |
| TWI415961B (en) | Atmospheric evaporation method of anti-smudge film | |
| JP6304584B2 (en) | Dispersion solution and method for producing the same, coating solution and method for producing mesoporous silica porous membrane | |
| CN110681552A (en) | A kind of preparation method of abrasion-resistant superhydrophobic coating | |
| CN108261086A (en) | The preparation method of Anti-fog mirror, cooking apparatus and Anti-fog mirror | |
| CN101870149B (en) | Forming mold or electroforming master with release layer | |
| Fu et al. | Study on surface wetting property regulation of greenhouse film and its antifogging performance | |
| CN112225934A (en) | Ice-removing wearable film, preparation method and application thereof | |
| CN107117828A (en) | The preparation method of gradually changed refractive index broadband anti-reflection film | |
| CN111500095A (en) | Preparation method and application of novel super-hydrophobic coating material | |
| Yang et al. | A Transparent, Abrasion‐Resistant Anti‐Fog Coating on Glass Substrates | |
| CN115787306A (en) | Preparation method of high-robustness super-hydrophobic anti-icing fabric | |
| CN110183881A (en) | A kind of glass coating material, self-cleaning glass and preparation method thereof | |
| CN1059276C (en) | Preparation method of silicon dioxide antireflection film |
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 |
Application publication date: 20201009 |
|
| RJ01 | Rejection of invention patent application after publication |