CN112006524A - Non-stick coating, preparation method thereof and pot - Google Patents
Non-stick coating, preparation method thereof and pot Download PDFInfo
- Publication number
- CN112006524A CN112006524A CN202010766162.1A CN202010766162A CN112006524A CN 112006524 A CN112006524 A CN 112006524A CN 202010766162 A CN202010766162 A CN 202010766162A CN 112006524 A CN112006524 A CN 112006524A
- Authority
- CN
- China
- Prior art keywords
- coating
- layer film
- liquid
- middle layer
- stick
- 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.)
- Granted
Links
- 239000011248 coating agent Substances 0.000 title claims abstract description 116
- 238000000576 coating method Methods 0.000 title claims abstract description 116
- 238000002360 preparation method Methods 0.000 title claims abstract description 13
- 239000000758 substrate Substances 0.000 claims abstract description 23
- 238000010438 heat treatment Methods 0.000 claims abstract description 5
- 239000010410 layer Substances 0.000 claims description 140
- 239000007788 liquid Substances 0.000 claims description 89
- 210000003298 dental enamel Anatomy 0.000 claims description 47
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 18
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 18
- 238000001723 curing Methods 0.000 claims description 16
- 238000001035 drying Methods 0.000 claims description 16
- 238000005507 spraying Methods 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 11
- 238000002156 mixing Methods 0.000 claims description 11
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- KPUWHANPEXNPJT-UHFFFAOYSA-N disiloxane Chemical class [SiH3]O[SiH3] KPUWHANPEXNPJT-UHFFFAOYSA-N 0.000 claims description 9
- -1 methyl siloxane Chemical class 0.000 claims description 9
- 229920006389 polyphenyl polymer Polymers 0.000 claims description 9
- 239000000377 silicon dioxide Substances 0.000 claims description 8
- 239000002904 solvent Substances 0.000 claims description 8
- 230000003746 surface roughness Effects 0.000 claims description 8
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 6
- 239000011247 coating layer Substances 0.000 claims description 6
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 6
- 235000012239 silicon dioxide Nutrition 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 5
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims description 4
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 4
- NDLPOXTZKUMGOV-UHFFFAOYSA-N oxo(oxoferriooxy)iron hydrate Chemical compound O.O=[Fe]O[Fe]=O NDLPOXTZKUMGOV-UHFFFAOYSA-N 0.000 claims description 4
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 claims description 4
- 238000009472 formulation Methods 0.000 claims description 3
- 229910001928 zirconium oxide Inorganic materials 0.000 claims description 3
- 238000013007 heat curing Methods 0.000 claims description 2
- 239000011229 interlayer Substances 0.000 claims description 2
- 238000005245 sintering Methods 0.000 claims description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 35
- 229910052742 iron Inorganic materials 0.000 abstract description 17
- 230000007547 defect Effects 0.000 abstract description 9
- 235000013305 food Nutrition 0.000 abstract description 9
- 238000005260 corrosion Methods 0.000 abstract description 6
- 230000007797 corrosion Effects 0.000 abstract description 6
- 238000010411 cooking Methods 0.000 abstract description 5
- 230000001680 brushing effect Effects 0.000 abstract description 3
- 238000007790 scraping Methods 0.000 abstract description 2
- 239000000306 component Substances 0.000 description 26
- 239000003921 oil Substances 0.000 description 12
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
- 239000000919 ceramic Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 239000012466 permeate Substances 0.000 description 5
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 4
- 229910052593 corundum Inorganic materials 0.000 description 4
- 239000010431 corundum Substances 0.000 description 4
- 239000012528 membrane Substances 0.000 description 4
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 3
- 239000003973 paint Substances 0.000 description 3
- 239000008213 purified water Substances 0.000 description 3
- 230000001476 alcoholic effect Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000012267 brine Substances 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000005911 diet Nutrition 0.000 description 1
- 230000000378 dietary effect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000003670 easy-to-clean Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000010794 food waste Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 235000004213 low-fat Nutrition 0.000 description 1
- 239000012533 medium component Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
- 238000011179 visual inspection Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Images
Classifications
-
- 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
- A47J27/00—Cooking-vessels
- A47J27/002—Construction of cooking-vessels; Methods or processes of manufacturing specially adapted for cooking-vessels
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Manufacturing & Machinery (AREA)
- Cookers (AREA)
Abstract
The invention discloses a non-stick coating, a preparation method thereof and a pot. The preparation method of the non-stick coating comprises the following steps: forming a middle layer film on the substrate by using a middle layer coating, and forming an outer layer film on one surface of the middle layer film, which is opposite to the substrate, by using an outer layer coating; and heating and curing the middle layer film and the outer layer film, forming a middle coating after the middle layer film is cured, and forming an outer coating after the outer layer film is cured. The non-stick coating obtained by the preparation method has the advantages of high heat resistance, high wear resistance, high scraping resistance, high corrosion resistance, high hardness and the like, the non-stick pan prepared on the pan can overcome the defect that the existing non-stick pan is not easy to scrape, and an iron slice can be used for cooking food in the pan or brushing the pan with iron wire balls.
Description
Technical Field
The invention relates to the technical field of cookware production, in particular to a non-stick coating, a preparation method thereof and cookware.
Background
An iron pan is a traditional kitchen ware, so far, a plurality of families still use the iron pan to cook food, and the iron pan has more defects, such as uneven heat distribution of the iron pan, easy generation of heat accumulation points to burn the food, heavy pan weight, difficult cleaning, easy rustiness and large oil smoke when using much oil.
In recent years, with the progress of technology, non-stick pans are increasingly replacing traditional iron pans and entering more and more households. The non-stick pan is characterized in that a non-stick coating is formed on the pan body to achieve a non-stick effect, overcomes the defects of the traditional iron pan, is easy to clean, can remove food residues cleanly by slight rubbing, can be used for easily frying and frying food without sticking the pan bottom, can reduce oil consumption to the maximum extent, and is clean in kitchen and less in oil smoke. In addition, the use of non-stick pans for cooking food can also help reduce fat intake, complying with the modern pursuit of low fat, low calorie dietary trends and health needs.
Although the non-stick pan in the market brings various advantages, the non-stick pan has some defects, one of the defects is that the non-stick coating of the existing non-stick pan is afraid of rubbing, so that an iron slice cannot be used for stir-frying food in the non-stick pan or an iron wire ball is used for brushing and washing the non-stick pan, the iron slice or the iron wire ball can rub special non-stick materials on the surface of the non-stick pan, the existing non-stick pan can only be used for cooking food by using a silica gel slice, a wooden slice or a bamboo slice, and therefore the defect of the non-stick pan brings great inconvenience to users.
Disclosure of Invention
The non-stick coating has the characteristics of high heat resistance, high wear resistance, high scratch resistance, high corrosion resistance and high hardness, and overcomes the defect that the existing non-stick coating of the non-stick pan is wore and rubbed.
The invention is realized by adopting the following technical scheme:
a method for preparing a non-stick coating, comprising:
forming a middle layer film on the substrate by using a middle layer coating, and forming an outer layer film on one surface of the middle layer film, which is opposite to the substrate, by using an outer layer coating; and heating and curing the middle layer film and the outer layer film, forming a middle coating after the middle layer film is cured, and forming an outer coating after the outer layer film is cured.
Preferably, the formulation method of the middle layer coating is as follows: mixing the first medium group liquid and the second medium group liquid, and adding the third medium group liquid to form a middle layer coating, wherein the weight ratio of the first medium group liquid to the second medium group liquid to the third medium group liquid is 1: (0.3-0.35): (0.36-0.40); the first medium liquid contains silicon dioxide, aluminum oxide, ferric oxide, zirconium oxide, titanium oxide and ethanol; the second medium liquid contains polymethyl siloxane, polyphenyl methyl siloxane, silica sol and silicon dioxide; the third middle liquid contains alcohol solvent and water.
Preferably, the formulation method of the outer layer coating is as follows: mixing a first external component liquid and a second external component liquid to form an external mixed liquid, and mixing the external mixed liquid and a third external component liquid to form an external coating, wherein the weight ratio of the first external component liquid to the second external component liquid is (0.8-1.6):1, and the weight ratio of the external mixed liquid to the third external component liquid is (2-4.2): 1;
the first external component liquid contains polymethyl siloxane, polyphenyl methyl siloxane and silica sol; the second external component liquid contains an alcohol solvent and water; the third external component liquid contains polymethyl siloxane, polyphenyl methyl siloxane and silica sol.
Preferably, the forming of the interlayer film comprises: preheating a substrate to 30-60 ℃, spraying a middle layer coating on the substrate, standing at 60 ℃ for surface drying after spraying, and standing to form a middle layer film after surface drying;
the forming of the outer layer film includes: preheating the substrate with the middle layer film to 30-50 ℃, and spraying outer layer coating on the middle layer film to form an outer layer film.
Preferably, the heat curing comprises: sintering the substrate with the middle layer film and the outer layer film at 250-350 ℃ for curing.
A non-stick coating is prepared by the preparation method.
Preferably, the thickness of the intermediate coating layer is 5-20 μm, and/or the thickness of the outer coating layer is 5-10 μm.
A pot comprises a base body and a non-stick coating formed on the base body, wherein the non-stick coating is the non-stick coating.
Preferably, the base body includes a pot body and an enamel layer, the enamel layer is formed on the pot body, and the non-stick coating is formed on the enamel layer.
Preferably, the surface roughness of the side of the enamel layer for forming the non-stick coating is 2.0 to 3.5 μm.
Compared with the prior art, the invention has the beneficial effects that at least:
the non-stick coating obtained by the preparation method has the advantages of high heat resistance, high wear resistance, high scraping resistance, high corrosion resistance, high hardness and the like, the non-stick pan prepared on the pan can overcome the defect that the existing non-stick pan is not easy to scrape, and an iron slice can be used for cooking food in the pan or brushing the pan with iron wire balls.
Drawings
Fig. 1 is a partial sectional view schematically showing a pot according to an embodiment of the present invention.
Fig. 2 is a schematic block flow diagram of a method for preparing a non-stick coating according to an embodiment of the present invention.
In the figure: 10. a pot body; 20. an enamel layer; 30. an intermediate coating; 40. and (4) an outer coating.
Detailed Description
Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art.
In the present invention, the term "silica" means SiO2。
"alumina" means aluminum oxide (Al)2O3)。
"iron oxide" refers to ferric oxide (Fe)2O3)。
"zirconia" refers to zirconium dioxide (ZrO)2)。
"titanium oxide" refers to titanium dioxide (TiO)2)。
"silica sol" refers to a silica sol, i.e., a colloidal solution of silica particles uniformly dispersed in water.
Referring to fig. 1, the present invention provides a pot including a base and a non-stick coating formed on the base, the non-stick coating including a middle coating 30 and an outer coating 40 sequentially stacked on the base, the non-stick coating having characteristics of high heat resistance, high wear resistance, high scratch resistance, high corrosion resistance, and high hardness.
Specifically, the non-stick coating may be directly formed on the pot body 10, and the non-stick coating is generally formed on the cooking area of the pot body 10, and the material of the pot body 10 includes, but is not limited to, iron, stainless steel, aluminum, alloy, copper, and ceramic. As the preferred scheme, the base member includes pan body 10 and enamel layer 20, and enamel layer 20 forms on pan body 10, and enamel layer 20 generally forms in the culinary art region of pan body 10, and non-sticky coating forms on enamel layer 20, and enamel layer 20 can effectively strengthen the use intensity of pan body 10.
As a preferable scheme, one surface of the enamel layer 20 used for forming the non-stick coating is a rough surface, and when the non-stick coating is formed on the enamel layer 20 with the rough surface, the non-stick coating can effectively permeate into the surface of the enamel layer 20, so that the adhesion strength between the non-stick coating and the enamel layer 20 is remarkably increased, and the non-stick coating can be ensured to fall off after repeated use. Preferably, the surface roughness of the side of the enamel layer 20 for forming the non-stick coating is more than 2.0 μm, and more preferably, the surface roughness of the side of the enamel layer 20 for forming the non-stick coating is 2.0 to 3.5 μm. The enamel layer 20 with the rough surface on the pot body 10 can be formed by the following method: firstly, a bright enamel layer is formed on the pot body 10, and then brown corundum is used for sanding so that the surface roughness of the pan body reaches more than 2.0 mu m.
Referring to fig. 2, the method of preparing the non-stick coating includes steps S1 to S3.
Step S1: an intermediate layer film is formed on the substrate with the intermediate layer coating.
Specifically, the substrate is preheated to 30-60 ℃, then the middle layer coating is sprayed on the substrate, the substrate is kept stand for 10-15 minutes and dried after being sprayed at 50-70 ℃, and the substrate is kept stand for more than 2 hours after being dried, so that the middle layer coating can fully permeate into the substrate, and the middle layer membrane is formed.
The preparation method of the middle layer coating comprises the following steps: mixing the first medium group liquid and the second medium group liquid, and adding the third medium group liquid to form a middle layer coating, wherein the weight ratio of the first medium group liquid to the second medium group liquid to the third medium group liquid is 1: (0.3-0.35): (0.36-0.40). After the first intermediate component liquid and the second intermediate component liquid are mixed, oil transferring and curing are preferably performed, and the oil transferring and curing is completed by rotating for 2 hours in a plastic barrel with the rotating speed of 100-.
Wherein the first medium liquid contains silicon dioxide, aluminum oxide, ferric oxide, zirconium oxide, titanium oxide and ethanol; the second medium liquid contains polymethyl siloxane, polyphenyl methyl siloxane, silica sol and silicon dioxide; the third middle liquid contains alcohol solvent and water. The middle layer coating (comprising the first middle liquid and the second middle liquid) is preferably selected from the coating of ceramic materials of Aitu coating, Guangzhou, under the brand name 8013 and 73905. The alcoholic solvent in the third group of liquids is selected, for example, from methanol, ethanol, isopropanol or mixtures thereof.
Step S2: and forming an outer layer film on one surface of the middle layer film, which is opposite to the substrate, by using the outer layer coating material.
Specifically, the substrate with the middle layer film is preheated to 30-50 ℃, and then the outer layer coating is sprayed on the middle layer film to form the outer layer film.
The preparation method of the outer layer coating comprises the following steps: and mixing the first external component liquid and the second external component liquid to form an external mixed liquid, and mixing the external mixed liquid and the third external component liquid to form the external coating, wherein the weight ratio of the first external component liquid to the second external component liquid is (0.8-1.6):1, preferably 1:1, and the weight ratio of the external mixed liquid to the third external component liquid is (2-4.2):1, preferably 3: 1. The formed external mixed liquid is preferably subjected to oil transferring and curing, and the oil transferring and curing of the external mixed liquid is completed by rotating for 30 minutes in a barrel with the rotating speed of 100-120 r/min. After the external mixed liquid and the third external component liquid are mixed, oil transferring and curing are preferably performed, and the oil transferring and curing is completed by rotating for 9 to 10 hours in a barrel with the rotating speed of 100-120 r/min.
The first external component liquid contains polymethyl siloxane, polyphenyl methyl siloxane and silica sol; the second external component liquid contains alcohol solvent and water; the third external component liquid contains polymethyl siloxane, polyphenyl methyl siloxane and silica sol. The outer coating (comprising the first outer group of liquids and the third outer group of liquids) is preferably selected from the group consisting of those available from ceramics of Aitu, Guangzhou, Inc. under the designation 8013-T7735 NE. The alcoholic solvent in the second external liquid is selected, for example, from methanol, ethanol, isopropanol or a mixture thereof.
Step S3: and heating and curing the middle layer film and the outer layer film to form the middle coating 30 after the middle layer film is cured, and forming the outer coating 40 after the outer layer film is cured.
Specifically, the heating curing process is to sinter the substrate with the middle layer film and the outer layer film at 250-350 ℃ for 5-20min for curing, the middle layer film and the outer layer film after curing respectively form the middle coating 30 and the outer coating 40, the thickness of the middle coating 30 is preferably 5-20 μm, the thickness of the outer coating 40 is preferably 5-10 μm, and the middle coating 30 and the outer coating 40 together form the non-stick coating.
Examples
The various materials used in the examples are commercially available unless otherwise specified.
In the embodiment, the middle layer coating (including the first middle group liquid and the second middle group liquid) is purchased from ceramics materials ltd, love coating, guangzhou, with the brand name of 8013 and 73905.
In the examples, the outer coating (including the first and third outer sets of liquids) was obtained from ceramics of Acimer ceramics, Guangzhou, under the designation 8013-T7735 NE.
Preparing a middle layer coating: the weight ratio of the first medium liquid group to the second medium liquid group to the third medium liquid group is 1: (0.3-0.35): (0.36-0.40), after the first intermediate component liquid and the second intermediate component liquid are mixed, rotating for 2 hours in a barrel with the rotating speed of 100-. Adding the third medium component liquid to form a middle layer coating before spraying.
Preparing an outer layer coating: mixing the first external component liquid and the second external component liquid according to the weight ratio of 1:1 to form an external mixed liquid, rotating for 30 minutes in a barrel with the rotation speed of 100 plus 120r/min for oil conversion and curing, fully mixing the external mixed liquid and the third external component liquid according to the weight ratio of 3:1, and rotating for 9 hours in the barrel with the rotation speed of 100 plus 120r/min for oil conversion and curing to form the external coating.
Example 1
(1) After a bright enamel layer is manufactured on the pot body, brown corundum is used for sanding until the surface roughness of the enamel layer is 2.7 mu m, purified water is used for cleaning the surface of the enamel layer, and then the enamel layer is placed into a drying furnace for drying.
(2) Preheating the pot body with the enamel layer to 40-50 ℃, spraying a middle layer coating on the enamel layer, standing for 10-13 minutes at 60 ℃ for surface drying after the middle layer coating is sprayed, and standing for more than 2 hours after the surface drying so that the middle layer coating fully permeates into the enamel layer to form a middle layer membrane. Then preheating the pot body with the enamel layer and the middle layer film to 40-45 ℃, and spraying outer layer paint on the middle layer film to form an outer layer film.
(3) The pot body after spraying is sintered for 10-12min at the temperature of 300-320 ℃ for solidification, and a non-stick coating is formed on the enamel layer of the pot body.
Example 2
(1) After a bright enamel layer is manufactured on the pot body, brown corundum is used for sanding until the surface roughness of the enamel layer is 2.7 mu m, purified water is used for cleaning the surface of the enamel layer, and then the enamel layer is placed into a drying furnace for drying.
(2) Preheating the pot body with the enamel layer to 40-50 ℃, spraying a middle layer coating on the enamel layer, standing for 14-15 minutes at 60 ℃ for surface drying after the middle layer coating is sprayed, and standing for more than 2 hours after the surface drying so that the middle layer coating fully permeates into the enamel layer to form a middle layer membrane. Then preheating the pot body with the enamel layer and the middle layer film to 36-45 ℃, and spraying outer layer paint on the middle layer film to form an outer layer film.
(3) The pot body after spraying is sintered for 15min at the temperature of 280 plus 300 ℃ for solidification, and a non-stick coating is formed on the enamel layer of the pot body.
Example 3
(1) After a bright enamel layer is manufactured on the pot body, brown corundum is used for sanding until the surface roughness of the enamel layer is 2.6 mu m, purified water is used for cleaning the surface of the enamel layer, and then the enamel layer is placed into a drying furnace for drying.
(2) Preheating the pot body with the enamel layer to 40-45 ℃, spraying the middle layer coating on the enamel layer, standing for 15 minutes at 60 ℃ for surface drying after the middle layer coating is sprayed, and standing for more than 2 hours after the surface drying so that the middle layer coating fully permeates into the enamel layer to form a middle layer membrane. Then preheating the pot body with the enamel layer and the middle layer film to 46-50 ℃, and spraying outer layer paint on the middle layer film to form an outer layer film.
(3) The pot body after spraying is sintered for 12min at the temperature of 300-.
And (3) performance detection:
(1) heat resistance: the pot is heated to 300-320 ℃ in an oven and then is immersed in cold water for rapid cooling, the process is repeated for 3 times continuously, and the change condition of the non-stick coating is checked by visual inspection, and the result is shown in table 1.
(2) Wear resistance and scratch resistance: the pan was subjected to a load of 3.5kg on the non-stick coating surface, and the wear was 15000 times in total, and the non-stick coating was visually checked for changes, and the results are shown in Table 1.
(3) Corrosion resistance: the pot was placed in boiling 10% brine for 8 hours, then 16 hours, and visually inspected for changes in the coating, the results are shown in Table 1.
(4) Hardness: and (3) detecting the hardness of the non-stick coating on the surface of the pot by using a standard pencil, wherein the hardness is over 7H.
TABLE 1
As can be seen from the detection results in table 1, the non-stick coating obtained by the preparation method of the present invention has the advantages of high heat resistance, high wear resistance, high scratch resistance, high corrosion resistance, high hardness, etc., the non-stick pan prepared by using the preparation method of the present invention can overcome the defect that the existing non-stick pan is resistant to scratching, and an iron slice can be used to cook food in the pan of the present invention or brush the pan with iron wire balls.
Although embodiments of the present invention have been shown and described, it will be understood that the above embodiments are exemplary and not to be construed as limiting the present invention, and that those skilled in the art may make changes, modifications, substitutions and alterations to the above embodiments without departing from the spirit and scope of the present invention, all such changes being within the scope of the appended claims.
Claims (10)
1. A preparation method of a non-stick coating is characterized by comprising the following steps:
forming a middle layer film on the substrate by using a middle layer coating, and forming an outer layer film on one surface of the middle layer film, which is opposite to the substrate, by using an outer layer coating; and heating and curing the middle layer film and the outer layer film, forming a middle coating after the middle layer film is cured, and forming an outer coating after the outer layer film is cured.
2. The method for preparing a non-stick coating according to claim 1, wherein the formulation method of the middle layer coating is as follows: mixing the first medium group liquid and the second medium group liquid, and adding the third medium group liquid to form a middle layer coating, wherein the weight ratio of the first medium group liquid to the second medium group liquid to the third medium group liquid is 1: (0.3-0.35): (0.36-0.40); the first medium liquid contains silicon dioxide, aluminum oxide, ferric oxide, zirconium oxide, titanium oxide and ethanol; the second medium liquid contains polymethyl siloxane, polyphenyl methyl siloxane, silica sol and silicon dioxide; the third middle liquid contains alcohol solvent and water.
3. The method for preparing a non-stick coating according to claim 1, wherein the outer coating is prepared by: mixing a first external component liquid and a second external component liquid to form an external mixed liquid, and mixing the external mixed liquid and a third external component liquid to form an external coating, wherein the weight ratio of the first external component liquid to the second external component liquid is (0.8-1.6):1, and the weight ratio of the external mixed liquid to the third external component liquid is (2-4.2): 1;
the first external component liquid contains polymethyl siloxane, polyphenyl methyl siloxane and silica sol; the second external component liquid contains an alcohol solvent and water; the third external component liquid contains polymethyl siloxane, polyphenyl methyl siloxane and silica sol.
4. The method for producing a non-stick coating according to claim 1,
forming the interlayer film includes: preheating a substrate to 30-60 ℃, spraying a middle layer coating on the substrate, standing at 60 ℃ for surface drying after spraying, and standing to form a middle layer film after surface drying;
the forming of the outer layer film includes: preheating the substrate with the middle layer film to 30-50 ℃, and spraying outer layer coating on the middle layer film to form an outer layer film.
5. The method for producing a non-stick coating according to claim 1, wherein the heat curing comprises: sintering the substrate with the middle layer film and the outer layer film at 250-350 ℃ for curing.
6. A non-stick coating layer, characterized in that it is produced by the production method according to any one of claims 1 to 5.
7. The non-stick coating of claim 6, wherein the thickness of the middle coating layer is 5-20 μm and/or the thickness of the outer coating layer is 5-10 μm.
8. A pot comprising a base and a non-stick coating formed on the base, the non-stick coating according to claim 6 or 7.
9. The cookware according to claim 8, wherein said base includes a cookware body and an enamel layer formed on said cookware body, said non-stick coating being formed on said enamel layer.
10. The pot as claimed in claim 9, wherein the surface roughness of the enamel layer on the side for forming the non-stick coating layer is 2.0-3.5 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010766162.1A CN112006524B (en) | 2020-08-03 | 2020-08-03 | Non-stick coating, preparation method thereof and pot |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010766162.1A CN112006524B (en) | 2020-08-03 | 2020-08-03 | Non-stick coating, preparation method thereof and pot |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112006524A true CN112006524A (en) | 2020-12-01 |
| CN112006524B CN112006524B (en) | 2021-09-07 |
Family
ID=73499092
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010766162.1A Active CN112006524B (en) | 2020-08-03 | 2020-08-03 | Non-stick coating, preparation method thereof and pot |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112006524B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050208272A1 (en) * | 2004-03-19 | 2005-09-22 | Clad Metals Llc | Non-stick cook surface |
| CN101190097A (en) * | 2006-12-01 | 2008-06-04 | 胡金高 | Zisha ware ceramal non-cooking fume non-stick pan and preparation method thereof |
| US20140238379A1 (en) * | 2013-02-28 | 2014-08-28 | General Electric Company | Non-stick, pyrolytic coatings for heating devices |
| CN104987834A (en) * | 2015-06-24 | 2015-10-21 | 慧智科技（中国）有限公司 | Scraping-resistant glass coating |
| CN105778575A (en) * | 2015-12-18 | 2016-07-20 | 广州卡秀堡辉涂料有限公司 | Aqueous ceramic non-stick coating material for kitchenware surfaces and preparation method for aqueous ceramic non-stick coating material |
| CN108753023A (en) * | 2018-06-26 | 2018-11-06 | 常州穗时新材料有限公司 | A kind of organosilicon ceramic coating and preparation method |
| CN109330390A (en) * | 2018-09-30 | 2019-02-15 | 浙江宇达新材料有限公司 | Inorganic ceramic non-stick pan composite coating and its manufacturing method |
| CN109867991A (en) * | 2019-03-15 | 2019-06-11 | 常州穗时新材料有限公司 | One kind is exempted to cure high-performance ceramic sealing wax and preparation method thereof |
-
2020
- 2020-08-03 CN CN202010766162.1A patent/CN112006524B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050208272A1 (en) * | 2004-03-19 | 2005-09-22 | Clad Metals Llc | Non-stick cook surface |
| CN101190097A (en) * | 2006-12-01 | 2008-06-04 | 胡金高 | Zisha ware ceramal non-cooking fume non-stick pan and preparation method thereof |
| US20140238379A1 (en) * | 2013-02-28 | 2014-08-28 | General Electric Company | Non-stick, pyrolytic coatings for heating devices |
| CN104987834A (en) * | 2015-06-24 | 2015-10-21 | 慧智科技（中国）有限公司 | Scraping-resistant glass coating |
| CN105778575A (en) * | 2015-12-18 | 2016-07-20 | 广州卡秀堡辉涂料有限公司 | Aqueous ceramic non-stick coating material for kitchenware surfaces and preparation method for aqueous ceramic non-stick coating material |
| CN108753023A (en) * | 2018-06-26 | 2018-11-06 | 常州穗时新材料有限公司 | A kind of organosilicon ceramic coating and preparation method |
| CN109330390A (en) * | 2018-09-30 | 2019-02-15 | 浙江宇达新材料有限公司 | Inorganic ceramic non-stick pan composite coating and its manufacturing method |
| CN109867991A (en) * | 2019-03-15 | 2019-06-11 | 常州穗时新材料有限公司 | One kind is exempted to cure high-performance ceramic sealing wax and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 陈子辉 等: "有机硅陶瓷涂料的研究进展", 《涂料工业》 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112006524B (en) | 2021-09-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| TWI537345B (en) | Ceramic paints and protective coatings | |
| KR960015755B1 (en) | Coated substrate with a multi-layer non-stick coating | |
| CN100482359C (en) | Fluoropolymer non-stick coatings | |
| TWI503381B (en) | Titanium-containing ceramic paint and protective coating | |
| CN102264945B (en) | Composite cookware comprising vitreous protective coating | |
| RU2363548C2 (en) | Fluoropolymer anti-adhesion coating with improved heat transfer properties and abrasion resistance | |
| KR100503846B1 (en) | Antiadhesive coating with improved anti-scratch resistance | |
| US11278147B2 (en) | Process for manufacture of profiled non-stick pans with concave-convex pattern | |
| US20050208272A1 (en) | Non-stick cook surface | |
| WO2011060045A2 (en) | Sol-gel coating for steel and cast iron substrates and methods of making and using same | |
| CN104688001A (en) | Stainless steel ceramic non-stick pan and production method thereof | |
| KR102023212B1 (en) | Cooking article comprising a fluorocarbon-resin non-stick coating having improved properties of adhesion to the substrate, and method for the production thereof | |
| JPH05500327A (en) | Non-stick coating system with two thin basecoats where the first basecoat is a polysiloxane | |
| US20190000264A1 (en) | Culinary Item Comprising a Fluorocarbon Resin and Rare Earth Oxide Coating and Method for Manufacturing Said Item | |
| CN112006524B (en) | Non-stick coating, preparation method thereof and pot | |
| WO2006047154A1 (en) | Stick resistant cooking utensils and methods for their production | |
| CN110129713B (en) | Heating appliance and preparation method thereof | |
| CN112006546A (en) | Preparation method of non-stick coating, pot and manufacturing method thereof | |
| CN107304309A (en) | A kind of ceramic non-stick coating and preparation method thereof | |
| CN112480757A (en) | Environment-friendly water-based high-solid non-stick coating primer as well as preparation method and application thereof | |
| CN104688050A (en) | Stainless steel ceramic non-stick pan | |
| JPH0349442B2 (en) | ||
| JP2023531743A (en) | Cooking article with non-slip outer coating | |
| CN112220331B (en) | Laser cladding non-stick pan and manufacturing method thereof | |
| CN219331363U (en) | Inorganic non-sticking cooker |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Non stick coating, preparation method and pot Effective date of registration: 20230322 Granted publication date: 20210907 Pledgee: China Construction Bank Corporation Longyao Sub-branch Pledgor: Hebei Sanxia kitchenware Technology Co.,Ltd. Registration number: Y2023980035887 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| CP03 | Change of name, title or address |
Address after: 055350 north side of Qinan Road, Longyao County, Xingtai City, Hebei Province Patentee after: Hebei Sanxia Technology Co.,Ltd. Country or region after: China Address before: 055350 north side of Qinan Road, Longyao County, Xingtai City, Hebei Province Patentee before: Hebei Sanxia kitchenware Technology Co.,Ltd. Country or region before: China |
|
| CP03 | Change of name, title or address |