CN108610671A - Magnetic conduction silver paste coating, pottery and preparation method thereof and cooking apparatus - Google Patents

Magnetic conduction silver paste coating, pottery and preparation method thereof and cooking apparatus Download PDF

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Publication number
CN108610671A
CN108610671A CN201710031901.0A CN201710031901A CN108610671A CN 108610671 A CN108610671 A CN 108610671A CN 201710031901 A CN201710031901 A CN 201710031901A CN 108610671 A CN108610671 A CN 108610671A
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CN
China
Prior art keywords
magnetic conduction
pottery
coating
ontology
conduction coating
Prior art date
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Pending
Application number
CN201710031901.0A
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Chinese (zh)
Inventor
杨玲
曹达华
李康
李宁
李洪伟
李兴航
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Foshan Shunde Midea Electrical Heating Appliances Manufacturing Co Ltd
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Foshan Shunde Midea Electrical Heating Appliances Manufacturing Co Ltd
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Application filed by Foshan Shunde Midea Electrical Heating Appliances Manufacturing Co Ltd filed Critical Foshan Shunde Midea Electrical Heating Appliances Manufacturing Co Ltd
Priority to CN201710031901.0A priority Critical patent/CN108610671A/en
Publication of CN108610671A publication Critical patent/CN108610671A/en
Pending legal-status Critical Current

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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
    • 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
    • A47J36/02—Selection of specific materials, e.g. heavy bottoms with copper inlay or with insulating inlay
    • 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
    • B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
    • B05D3/02—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by baking
    • B05D3/0209—Multistage baking
    • 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
    • B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
    • B05D3/02—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by baking
    • B05D3/0254—After-treatment
    • 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
    • B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
    • 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
    • C09D5/23—Magnetisable or magnetic paints or lacquers
    • 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
    • B05D2203/00—Other substrates
    • B05D2203/30—Other inorganic substrates, e.g. ceramics, silicon

Abstract

The embodiment provides a kind of magnetic conduction silver paste coating, pottery and preparation method thereof and cooking apparatus, the magnetic conduction silver paste coating includes magnetic conduction silver paste and diluent, and the magnetic conduction silver paste includes：Silver powder, bonding agent, dispersant, glass powder and dissolution solvent, and the preparation method of pottery includes：Prepare magnetic conduction coating；Magnetic conduction coating is formed on pottery ontology to be prepared using the magnetic conduction coating prepared, the preparation method on pottery ontology by forming magnetic conduction coating, so that pottery can carry out magnetic conduction by magnetic conduction coating, and then the pottery of preparation can be applied to electromagnetic heating, so as to using electromagnetic induction come heating ceramic vessel.

Description

Magnetic conduction silver paste coating, pottery and preparation method thereof and cooking apparatus
Technical field
The present invention relates to kitchen utensils fields, more specifically, are related to a kind of magnetic conduction silver paste coating, pottery and its system Preparation Method and cooking apparatus.
Background technology
It after IH electromagnetic heating technique inventions, thoroughly solves several big drawbacks of heating dish, is present state-of-the-art electric cooker Mode of heating, wherein the operation principle of IH technologies is directly carried out to inner container of electric cooker by solenoid ON alternating current Heating, so IH inner container of electric cooker is all made of the clad metal sheet used at present, but ceramic liner is due to having heat preservation, being good for The series of advantages such as health, health and liked by more and more consumers, but ceramic liner cannot directly exist without magnetic conductivity It is used on IH electric cookers.
Therefore, how to propose that a kind of ceramic liner that can utilize electromagnetic heating becomes current urgent problem to be solved.
Invention content
The present invention is directed to solve at least one of the technical problems existing in the prior art or related technologies.
The present invention is based on the above problem, provides a kind of magnetic conduction silver paste coating.
Another object of the present invention is to provide a kind of preparation methods of pottery.
It is a further object of the present invention to provide a kind of potteries.
It is a further object of the present invention to provide a kind of cooking apparatus.
To achieve the above object, first aspect present invention embodiment provides a kind of magnetic conduction silver paste coating, the magnetic conduction silver Paste paint includes magnetic conduction silver paste and diluent, and the magnetic conduction silver paste includes：Silver powder, bonding agent, dispersant, glass powder and dissolving are molten Agent.
The magnetic conduction silver paste coating provided according to an embodiment of the invention, magnetic conduction silver paste coating include silver powder, bonding agent, dispersion The magnetic conduction silver paste that agent, glass powder and dissolution solvent are configured in proportion and the diluent for diluting magnetic conduction silver paste form, wherein Silver powder is for realizing magnetic conductivity, and the grain size of silver powder is preferably 5 μm -10 μm, and bridging agent is for making silver powder particles be dispersed in connection In agent, so as to which magnetic conduction silver paste is made to constitute the material with certain viscosity, dissolution solvent is used for dissolving resin and for making silver Powder particles are fully dispersed and adjust the viscosity and aridity of magnetic conduction silver paste, and diluent is for diluting magnetic conduction silver paste, so that dilution Magnetic conduction silver paste afterwards disclosure satisfy that the requirement of spraying.In addition, when specifically preparing magnetic conduction silver paste coating, silver can be first weighed in proportion Powder, bonding agent, dispersant, glass powder and dissolution solvent simultaneously make it be sufficiently mixed, and it is small that three-roll grinder grinding one then can be used When to prepare magnetic conduction silver paste, wherein grinding can make the magnetic conduction silver paste prepared finer and smoother, so that it is more easy to and makes pottery The surface of porcelain utensil etc. combines, and thereafter, can mix the magnetic conduction silver paste prepared with diluent in proportion, so as to by magnetic conduction Silver paste is diluted to the magnetic conduction silver paste coating that can be sprayed.
In the above-mentioned technical solutions, the weight percent of the magnetic conduction silver paste is 60%-80%, the weight of the diluent Percentage is 20%-40%；The weight percent of the silver powder is 66.2%-79.8%, the weight percent of the bonding agent Weight percent for 5%-8%, the dispersant is 10%-15%, and the weight percent of the glass powder is 5%-10%, The weight percent of the dissolution solvent be 0.2%-0.8%, i.e., the described magnetic conduction silver paste include 66.2%-79.8% silver powder, The dissolution solvent of the bonding agent of 5%-8%, the dispersant of 10%-15%, the glass powder of 5%-10%, 0.2%-0.8%.
In the technical scheme, the weight percent of each ingredient of magnetic conduction silver paste coating is limited in above range can The total quality, such as magnetic conductivity, viscosity and aridity etc. of magnetic conduction silver paste coating are improved, and then on the one hand disclosure satisfy that magnetic conduction silver The spraying requirement of paste paint, on the other hand can make the better quality for the coating prepared by magnetic conduction silver paste coating.
In the above-mentioned technical solutions, the bonding agent includes E-44 epoxy resin, and the dispersant includes polyethylene glycol, institute It includes following components and content to state glass powder：The Bi of 45-65 parts by weight2O3, the ZnO of 2-9 parts by weight, the TiO of 1-6 parts by weight2, The Al of 5-14 parts by weight2O3, the SiO of 8-13 parts by weight2, the SrO of 1-10 parts by weight, the dissolution solvent includes tetrahydrofuran, institute Stating diluent includes：It is one or more in butyl ether, 12 ester alcohols, ethylene glycol ethyl ether, turpentine oil, cyclohexanone, terpinol.
In the technical scheme, bonding agent is preferably E-44 epoxy resin, and dispersant is preferably polyethylene glycol, and dissolving is molten Agent is preferably tetrahydrofuran, because E-44 epoxy resin, polyethylene glycol and tetrahydrofuran are all very conventional materials, thus price It is relatively cheap and be easy to purchase, it is thus possible to the cost of material of relative reduction magnetic conduction silver paste coating, and glass powder is using 45-65 weights Measure the Bi of part2O3, the ZnO of 2-9 parts by weight, the TiO of 1-6 parts by weight2, the Al of 5-14 parts by weight2O3, the SiO of 8-13 parts by weight2, The SrO of 1-10 parts by weight can further decrease the fusing point of magnetic conduction silver paste coating, and then magnetic conduction silver paste coating is being sprayed on pottery It can make pottery that there is stronger heat resistance when on the surfaces such as porcelain utensil.And diluent can be used butyl ether, 12 ester alcohols, It is one or more in ethylene glycol ethyl ether, turpentine oil, cyclohexanone, terpinol because, butyl ether, 12 ester alcohols, ethylene glycol ethyl ether, Turpentine oil, cyclohexanone, terpinol are all relatively common materials, thus price is relatively cheap and is easy to purchase, it is thus possible into The cost of material of one step relative reduction magnetic conduction silver paste coating.
The embodiment of second aspect of the present invention provides a kind of preparation method of pottery, including：Prepare magnetic conduction coating； Magnetic conduction coating is formed on pottery ontology to be prepared using the magnetic conduction coating prepared.
The preparation method of the pottery provided according to an embodiment of the invention is led by being formed on pottery ontology The pottery of preparation so that pottery can carry out magnetic conduction by magnetic conduction coating, and then can be applied to electricity by magnetic coating Magnetic heats, so as to be compared come heating ceramic vessel simultaneously as the thermal coefficient of pottery is low using electromagnetic induction For metalware, heat storage capacity is more preferable, therefore pottery, for example ceramic pan remains to make to hold in pot after the cessation of the heating Continuous boiling a period of time (generally 25s-30s), it is thus possible to heat food using the potteries such as the ceramic pan waste heat of itself Object, to achieve the purpose that save energy consumption.In addition, pottery also has, service life is long, the thermal efficiency is high, thus magnetic conduction coating with After pottery combines, binding force meeting higher, thus it is not easily to fall off, in addition, the ceramics prepared using this kind of preparation method Vessel also can be used water directly to clean, thus be cleaned convenient for user, and then can improve user experience.
In addition, the preparation method of the pottery provided according to the above embodiment of the present invention also has following supplementary technology special Sign：
In the above-mentioned technical solutions, it is preferable that the preparation method of pottery further includes：In the magnetic conduction coating far from institute It states and forms protective layer in the one side of pottery ontology.
In the technical scheme, by forming protective layer in one side of the magnetic conduction coating far from the pottery ontology, Anti-oxidation equal protection, so as to keep magnetic conduction coating durable, Jin Erneng can be carried out to magnetic conduction coating using the protective layer Enough extend the service life of pottery.
In the above-mentioned technical solutions, it is preferable that described the step of preparing magnetic conduction coating is specially：By magnetic conduction powder, bonding agent, Dispersant, glass powder and dissolution solvent are ground into magnetic conduction slurry after mixing in proportion；Magnetic conduction slurry and diluent are mixed in proportion, with The magnetic conduction coating is made.
In the technical scheme, magnetic conduction coating include magnetic conduction powder, bonding agent, dispersant, glass powder and dissolution solvent by than The magnetic conduction slurry that example is configured to and the diluent composition for diluting magnetic conduction slurry, wherein magnetic conduction powder is for realizing magnetic conductivity, and magnetic conduction The grain size of powder is preferably 5 μm -10 μm, and bridging agent is for making powder particles be dispersed in bonding agent, so as to which magnetic conduction slurry is made to constitute Material with certain viscosity, dissolution solvent are used for dissolving resin and for keeping magnetic conduction powder particles fully dispersed and adjusting magnetic conduction slurry Viscosity and aridity, diluent, which is used to starch magnetic conduction, to be diluted, so that the magnetic conduction slurry after dilution disclosure satisfy that the requirement of spraying.Separately Outside, when specifically preparing magnetic conduction coating, can magnetic conduction powder, bonding agent, dispersant, glass powder and dissolution solvent be first weighed in proportion simultaneously So that it is sufficiently mixed, three-roll grinder then can be used and grind one hour to prepare magnetic conduction slurry, wherein grinding can make preparation The magnetic conduction slurry gone out is finer and smoother, so that it is more easy to be combined with the surface of pottery etc., thereafter, the magnetic conduction that can will be prepared Slurry is mixed with diluent in proportion, so as to which magnetic conduction slurry is diluted to the magnetic conduction paste paint that can be sprayed.
In the above-mentioned technical solutions, it is preferable that the magnetic conduction powder includes at least one of or combinations thereof silver powder, iron powder and Nickel powder.
In the technical scheme, when for providing magnetic conductivity, magnetic conduction powder can be that silver powder can also be iron powder and nickel Powder, but preferably silver powder, because the particle of silver powder is all thinner, to just ensure the magnetic conduction prepared without additional processing The fineness of slurry, and then the preparation efficiency of magnetic conduction coating can be improved.Certainly, magnetic iron powder and nickel powder can also be used to prepare magnetic conduction Iron starch and magnetic conduction nickel slurry, at this point, can first by iron powder and nickel powder be rolled into after fine particle, such as 5 μm -10 μm of grain size again with even Knot agent, dispersant, glass powder and dissolution solvent mix in proportion, so as to ensure the magnetic conduction iron prepared slurry and magnetic conduction nickel slurry Fineness disclosure satisfy that subsequent spraying requirement.
In the above-mentioned technical solutions, it is preferable that the weight percent of the magnetic conduction powder is 66.2%-79.8%, the company The weight percent for tying agent is 5%-8%, and the weight percent of the dispersant is 10%-15%, the weight of the glass powder Percentage is 5%-10%, and the weight percent of the dissolution solvent is 0.2%-0.8%, i.e., the described magnetic conduction slurry includes The magnetic conduction powder of 66.2%-79.8%, the bonding agent of 5%-8%, the dispersant of 10%-15%, 5%-10% glass powder, The dissolution solvent of 0.2%-0.8%；The weight percent of the magnetic conduction slurry is 60%-80%, the weight percent of the diluent Than for 20%-40%.
In the technical scheme, the weight percent of each ingredient of magnetic conduction coating is limited in above range and can be improved Total quality of magnetic conduction coating, such as magnetic conductivity, viscosity and aridity etc., and then on the one hand disclosure satisfy that the spraying of magnetic conduction coating It is required that the better quality of the coating gone out by magnetic conduction coating preparation on the other hand can be made.
In the above-mentioned technical solutions, it is preferable that the bonding agent includes E-44 epoxy resin, and the dispersant includes poly- second Glycol, the glass powder include following components and content：The Bi of 45-65 parts by weight2O3, the ZnO of 2-9 parts by weight, 1-6 parts by weight TiO2, the Al of 5-14 parts by weight2O3, the SiO of 8-13 parts by weight2, the SrO of 1-10 parts by weight, the dissolution solvent includes tetrahydrochysene Furans, the diluent include：Butyl ether, 12 ester alcohols, ethylene glycol ethyl ether, turpentine oil, cyclohexanone, one kind in terpinol or more Kind.
In the technical scheme, bonding agent is preferably E-44 epoxy resin, and dispersant is preferably polyethylene glycol, and dissolving is molten Agent is preferably tetrahydrofuran, because E-44 epoxy resin, polyethylene glycol and tetrahydrofuran are all very conventional materials, thus price It is relatively cheap and be easy to purchase, it is thus possible to the cost of material of relative reduction magnetic conduction coating, and glass powder uses 45-65 parts by weight Bi2O3, the ZnO of 2-9 parts by weight, the TiO of 1-6 parts by weight2, the Al of 5-14 parts by weight2O3, the SiO of 8-13 parts by weight2, 1-10 The SrO of parts by weight can further decrease the fusing point of magnetic conduction coating, and then magnetic conduction coating is being sprayed on the surfaces such as pottery It can make pottery that there is stronger heat resistance when upper.And diluent can be used butyl ether, 12 ester alcohols, ethylene glycol ethyl ether, It is one or more in turpentine oil, cyclohexanone, terpinol, because, butyl ether, 12 ester alcohols, ethylene glycol ethyl ether, turpentine oil, hexamethylene Ketone, terpinol are all relatively common materials, thus price is relatively cheap and is easy to purchase, it is thus possible to further relative reduction The cost of material of magnetic conduction coating.
In the above-mentioned technical solutions, it is preferable that the protective layer is sprayed by ceramic glaze to be formed.
In the technical scheme, ceramic glaze can be sprayed in one side of the magnetic conduction coating far from pottery ontology, with Glaze protective layer is formed on magnetic conduction coating, and has many advantages, such as high temperature resistant, corrosion-resistant by the protective layer that ceramic glaze is formed, So as to effectively prevent magnetic conduction coating to be aoxidized.
In the above-mentioned technical solutions, it is preferable that described to utilize the magnetic conduction coating prepared in pottery sheet to be prepared The step of magnetic conduction coating is formed on body specifically includes：The magnetic conduction coating prepared is sprayed on to pottery ontology to be prepared On；Pottery ontology to being coated with magnetic conduction coating toasts.
In the technical scheme, when preparing magnetic conduction coating, can the permeability magnetic material prepared be directly sprayed on pottery On ontology, and since magnetic conduction coating is the solution being diluted, thus the sprayings such as spray gun or dish-style atomizer can be passed through when spraying Tool, and the magnetic conduction coating prepared is dispersed into uniform and fine droplet by means of pressure or centrifugal force, and it is applied over pottery On porcelain utensil ontology, to complete the spraying of magnetic conduction coating, hereafter, the pottery ontology for being coated with magnetic conduction coating can be dried It is roasting, specifically, for example toast 15min-20min, so as to by magnetic conduction coating be securely solidificated on pottery ontology with Form magnetic conduction coating.
In the above-mentioned technical solutions, it is preferable that the magnetic conduction coating prepared is sprayed on to pottery ontology to be prepared When upper, spray pressure 0.7bar-1.0bar, stream distance 100mm-150mm, spray pattern are sector, and spraying flow is 150mL/min-200mL/min。
In the technical scheme, by the way that spray parameters setting can be made magnetic conduction coating made of spraying within the above range Better quality, such as it is more moist, magnetic conduction coating can also on the other hand adhered to pottery ontology more firm, Thus prevent magnetic conduction coating shedding.
In the above-mentioned technical solutions, it is preferable that the baking when pottery ontology to being coated with magnetic conduction coating toasts Roasting temperature is 100 DEG C -150 DEG C, baking time 15min-20min.
In the technical scheme, when being toasted to the pottery ontology for being coated with magnetic conduction coating, spraying temperature is preferred It it is 100 DEG C -150 DEG C, baking time 15min-20min, because this kind of spraying temperature and spray time can make magnetic conduction coating It is more firm to adhere to pottery ontology, thus prevents magnetic conduction coating shedding, while will not or spray excessively high because of temperature The case where applying overlong time and leading to magnetic conduction coating cracking occurs.
In the above-mentioned technical solutions, it is preferable that the preparation method of pottery further includes：The pottery of magnetic conduction coating will be formed with Porcelain utensil ontology is heated to preset temperature, and to being formed with the pottery sheet of magnetic conduction coating after being heated to the preset temperature Body carries out heat preservation preset time；The pottery ontology for being formed with magnetic conduction coating is cooled to room temperature.
It in the technical scheme, can be after the completion of prepared by the coating on pottery ontology at ambient temperature to ceramics Vessel carry out being heated to preset temperature and keep the temperature preset time, so as to which the volatile substances in magnetic conduction coating are volatilized Come, to ensure the safety of pottery, hereafter, pottery can be cooled to room temperature, to complete the preparation of pottery. Wherein, specifically, if pottery is originally additionally provided with protective layer in vitro, the pottery sheet that will be formed with magnetic conduction coating is needed Body is heated to preset temperature, and is protected to the pottery ontology for being formed with magnetic conduction coating after being heated to the preset temperature Warm preset time；And the pottery ontology for being formed with magnetic conduction coating is cooled to room temperature.
In the above-mentioned technical solutions, it is preferable that described to be heated to presetting by the pottery ontology for being formed with magnetic conduction coating Temperature, and heat preservation preset time is carried out to the pottery ontology for being formed with magnetic conduction coating after being heated to the preset temperature Step specifically includes：The pottery ontology for being formed with magnetic conduction coating is heated to the first preset temperature, and described in being heated to The first preset time of heat preservation is carried out to the pottery ontology for being formed with magnetic conduction coating after first preset temperature；It is pre- in heat preservation first If the pottery ontology for being formed with magnetic conduction coating is heated to the second preset temperature after the time, and pre- being heated to described second If carrying out the second preset time of heat preservation to the pottery ontology for being formed with magnetic conduction coating after temperature；Wherein, described second is default Temperature is more than first preset temperature, and second preset time is more than first preset time.
In the technical scheme, when heating pottery and being kept the temperature, pottery can be carried out stage by stage to add Pottery specifically, for example first can be heated to the first preset temperature and keep the temperature the first preset time, then existed by heat and heat preservation It is heated to the second preset temperature and keeps the temperature the second preset time, it is (big hereafter can be heated to third preset temperature successively In the second preset temperature) and keep the temperature third preset time (be more than the second preset time) and the rest may be inferred is heated to the 4th default temperature Degree (being more than third preset temperature) the 4th preset time of heat preservation (being more than third preset time) etc., until being heated to pottery Temperature extremes, but while being generally heated to 650 DEG C -700 DEG C volatile substances can be evaporated completely substantially, therefore be generally heated to 650 DEG C -700 DEG C, and it is heated to 650 DEG C -700 DEG C of heating times from room temperature and the front and back temperature difference kept the temperature twice can root It is determined according to actual conditions, theoretically number is The more the better and the front and back temperature difference kept the temperature twice is the smaller the better, but heating times Excessively the heating time of pottery ontology can be caused long, and then the production efficiency of pottery can be caused too low, therefore, one As heat 3 times to 5 times, specifically, for example can pottery be first heated to 100 DEG C -120 DEG C simultaneously from room temperature such as 4 times 30min-40min is kept the temperature, 200 DEG C -220 DEG C is again heated to and keeps the temperature 40min-1h, is then heated to 300 DEG C of -350 DEG C of heat preservations 50min-1h, and keeps the temperature 5-10min by finally heated to 650-700 DEG C, hereafter by its cooled to room temperature.This kind of sublevel Duan Jiare and the mode of heat preservation can prevent disposably by pottery heat it is excessively high and the case where cause pottery to rupture.
In above-mentioned multiple technical solutions, it is preferable that the thickness of the magnetic conduction coating is 8 μm -30 μm.
In the technical scheme, it is less than or equal to 30 μm of model equal to 8 μm by being disposed greater than the thickness of magnetic conduction coating In enclosing, magnetic conduction coating can be made to there is preferably magnetic property magnetic conduction coating can be made securely to be attached to pottery sheet again It is not easily to fall off on body, so as to various quality for ensuring magnetic conduction coating to ensure the total quality of pottery.
In above-mentioned multiple technical solutions, it is preferable that the thickness of the protective layer is 40 μm -60 μm.
In the technical scheme, it is less than or equal to 60 μm of range equal to 40 μm by being disposed greater than the thickness of protective layer It is interior, protective layer can be made securely to be attached on pottery ontology and not easily to fall off, and the thickness of protective layer can be avoided It is blocked up and lead to waste of material.
In the above-mentioned technical solutions, it is preferable that the magnetic conduction coating be arranged on the side wall of the pottery ontology and/ Or on the wall of bottom.
In the technical scheme, can be different according to the application scenario of pottery, and magnetic conduction coating is arranged in ware The different places of ware ontology, specifically, if for example, pottery is made pottery applied in the cooking apparatus such as pressure cooker and electric cooker When porcelain utensil is ceramic inner vessel, then one layer of magnetic conduction coating can be respectively provided on the bottom wall and side wall of pottery ontology, so as to It is heated simultaneously using the side wall and bottom wall of ceramic inner vessel, and then the heating properties of interior pot can be improved, and in pottery application When electromagnetic oven, magnetic conduction coating can be only set on the bottom wall of pottery, to reduce the cost of pottery.
In above-mentioned multiple technical solutions, it is preferable that the outer wall in the pottery ontology is arranged in the magnetic conduction coating On face and/or on interior wall face.
In the technical scheme, you can magnetic conduction coating is arranged in interior wall face (including the interior bottom wall face of pottery ontology And interior sidewall surface) on, magnetic conduction coating can be also arranged to outside wall surface (including outer bottom wall face and the lateral wall in pottery ontology Face) on, to be heated using the internal face of pottery ontology using the heating of the outside wall surface of pottery again.
Wherein it is preferred to which the magnetic conduction coating is arranged on the lateral wall of the pottery ontology and/or outer bottom wall On, i.e. magnetic conduction coating is preferably provided in outside wall surface, because of this, magnetic conduction coating is arranged far from the one side of food, thus Substantially it will not be contacted with food, to can ensure that the health of food.
The embodiment of third aspect present invention provides a kind of pottery, including：Pottery ontology；Magnetic conduction coating, It is arranged on the pottery ontology.
The pottery provided according to an embodiment of the invention, by forming magnetic conduction coating on pottery ontology, from And make pottery that can carry out magnetic conduction by magnetic conduction coating, and then the pottery of preparation can be applied to electromagnetic heating, with It just can be using electromagnetic induction come heating ceramic vessel, simultaneously as the thermal coefficient of pottery is low, compared to metalware For, heat storage capacity is more preferable, therefore pottery, for example ceramic pan remains to make after the cessation of the heating one section of constantly boiling in pot Time (generally 25s-30s), it is thus possible to food is heated using the potteries such as the ceramic pan waste heat of itself, to reach section The about purpose of energy consumption.In addition, pottery also has, service life is long, the thermal efficiency is high, thus magnetic conduction coating and pottery knot After conjunction, binding force meeting higher, thus it is not easily to fall off, in addition, the pottery prepared using this kind of preparation method also can be used Water directly cleans, thus is cleaned convenient for user, and then can improve user experience.
Wherein it is preferred to which magnetic conduction coating is made of magnetic conduction slurry and diluent, and magnetic conduction slurry includes：Magnetic conduction powder, bonding agent, Dispersant, glass powder and dissolution solvent, specifically, magnetic conduction powder for realizing magnetic conductivity, and the grain size of magnetic conduction powder be preferably 5 μm- 10 μm, bridging agent is for making powder particles be dispersed in bonding agent, so as to magnetic conduction slurry is made to constitute the material with certain viscosity, Dissolution solvent is used for dissolving resin and for keeping magnetic conduction powder particles fully dispersed and adjusting viscosity and aridity that magnetic conduction is starched, dilution Agent, which is used to starch magnetic conduction, to be diluted, so that the magnetic conduction slurry after dilution disclosure satisfy that the requirement of spraying.
Wherein it is preferred to the weight percent of the magnetic conduction powder is 66.2%-79.8%, the weight hundred of the bonding agent Divide than being 5%-8%, the weight percent of the dispersant is 10%-15%, and the weight percent of the glass powder is 5%- 10%, the weight percent of the dissolution solvent is 0.2%-0.8%, i.e., the described magnetic conduction slurry includes leading for 66.2%-79.8% Magnetic powder, the bonding agent of 5%-8%, the dispersant of 10%-15%, the glass powder of 5%-10%, the dissolving of 0.2%-0.8% are molten Agent；The weight percent of the magnetic conduction slurry is 60%-80%, and the weight percent of the diluent is 20%-40%.
In the technical scheme, the weight percent hundred of each ingredient of magnetic conduction coating is limited in above range and can be improved Total quality of magnetic conduction coating, such as magnetic conductivity, viscosity and aridity etc., and then on the one hand disclosure satisfy that the spraying of magnetic conduction coating It is required that the better quality of the coating gone out by magnetic conduction coating preparation on the other hand can be made.
In the above-mentioned technical solutions, it is preferable that the bonding agent includes E-44 epoxy resin, and the dispersant includes poly- second Glycol, the glass powder include following components and content：The Bi of 45-65 parts by weight2O3, the ZnO of 2-9 parts by weight, 1-6 parts by weight TiO2, the Al of 5-14 parts by weight2O3, the SiO of 8-13 parts by weight2, the SrO of 1-10 parts by weight, the dissolution solvent includes tetrahydrochysene Furans, the diluent include：Butyl ether, 12 ester alcohols, ethylene glycol ethyl ether, turpentine oil, cyclohexanone, one kind in terpinol or more Kind.
In the technical scheme, bonding agent is preferably E-44 epoxy resin, and dispersant is preferably polyethylene glycol, and dissolving is molten Agent is preferably tetrahydrofuran, because E-44 epoxy resin, polyethylene glycol and tetrahydrofuran are all very conventional materials, thus price It is relatively cheap and be easy to purchase, it is thus possible to the cost of material of relative reduction magnetic conduction coating, and glass powder uses 45-65 parts by weight Bi2O3, the ZnO of 2-9 parts by weight, the TiO of 1-6 parts by weight2, the Al of 5-14 parts by weight2O3, the SiO of 8-13 parts by weight2, 1-10 The SrO of parts by weight can further decrease the fusing point of magnetic conduction coating, and then magnetic conduction coating is being sprayed on the surfaces such as pottery It can make pottery that there is stronger heat resistance when upper.And diluent can be used butyl ether, 12 ester alcohols, ethylene glycol ethyl ether, It is one or more in turpentine oil, cyclohexanone, terpinol, because, butyl ether, 12 ester alcohols, ethylene glycol ethyl ether, turpentine oil, hexamethylene Ketone, terpinol are all relatively common materials, thus price is relatively cheap and is easy to purchase, it is thus possible to further relative reduction The cost of material of magnetic conduction coating.
In the above-mentioned technical solutions, it is preferable that pottery further includes：Protective layer, the protective layer setting are led described In one side of the magnetic coating far from the pottery ontology.
In the technical scheme, by forming protective layer in one side of the magnetic conduction coating far from the pottery ontology, Anti-oxidation equal protection, so as to keep magnetic conduction coating durable, Jin Erneng can be carried out to magnetic conduction coating using the protective layer Enough extend the service life of pottery.
In the above-mentioned technical solutions, it is preferable that the magnetic conduction coating includes at least one of or combinations thereof：Magnetic conduction silver Layer, magnetic conduction iron layer and magnetic conduction nickel layer.
In the technical scheme, when for providing magnetic conductivity, magnetic conduction coating can be magnetic conduction silver layer made of silver powder Can also be magnetic conduction nickel layer made of magnetic conduction iron layer and nickel powder made of iron powder, but preferably magnetic conduction silver layer made of silver powder, because It is all thinner for the particle of silver powder, to just ensure the smoothness for the magnetic conduction coating prepared without additional processing, in turn The processing efficiency of magnetic conduction coating can be improved.Certainly, magnetic iron powder and nickel powder can also be used to prepare magnetic conduction iron layer and magnetic conduction nickel Layer, at this point, can first by iron powder and nickel powder be rolled into after fine particle, such as 5 μm -10 μm of grain size again with bonding agent, dispersant, Glass powder and dissolution solvent mix in proportion, so as to ensure that the magnetic conduction iron prepared slurry and the fineness of magnetic conduction nickel slurry can expire The subsequent spraying requirement of foot.
In the above-mentioned technical solutions, it is preferable that magnetic conduction coating is sprayed by spraying process to be formed, wherein spray pressure is 0.7bar-1.0bar, stream distance 100mm-150mm, spray pattern are sector, and spraying flow is 150mL/min-200mL/ min。
In the above-mentioned technical solutions, it is preferable that the thickness of the magnetic conduction coating is 8 μm -30 μm.
In the technical scheme, it is less than or equal to 30 μm of model equal to 8 μm by being disposed greater than the thickness of magnetic conduction coating In enclosing, magnetic conduction coating can be made to there is preferably magnetic property magnetic conduction coating can be made securely to be attached to pottery sheet again It is not easily to fall off on body, so as to various quality for ensuring magnetic conduction coating to ensure the total quality of pottery.
In the above-mentioned technical solutions, it is preferable that the protective layer is glaze protective layer.
In the technical scheme, ceramic glaze can be sprayed in one side of the magnetic conduction coating far from pottery ontology, with Glaze protective layer is formed on magnetic conduction coating, and has many advantages, such as high temperature resistant, corrosion-resistant by the protective layer that ceramic glaze is formed, So as to effectively prevent magnetic conduction coating to be aoxidized.
In the above-mentioned technical solutions, it is preferable that the thickness of the protective layer is 40 μm -60 μm.
In the technical scheme, it is less than or equal to 60 μm of range equal to 40 μm by being disposed greater than the thickness of protective layer It is interior, protective layer can be made securely to be attached on pottery ontology and not easily to fall off, and the thickness of protective layer can be avoided It is blocked up and lead to waste of material.
In the above-mentioned technical solutions, it is preferable that the magnetic conduction coating be arranged on the side wall of the pottery ontology and/ Or on the wall of bottom.
In the technical scheme, can be different according to the application scenario of pottery, and magnetic conduction coating is arranged in ware The different places of ware ontology, specifically, if for example, pottery is made pottery applied in the cooking apparatus such as pressure cooker and electric cooker When porcelain utensil is ceramic inner vessel, then one layer of magnetic conduction coating can be respectively provided on the bottom wall and side wall of pottery ontology, so as to It is heated simultaneously using the side wall and bottom wall of ceramic inner vessel, and then the heating properties of interior pot can be improved, and in pottery application When electromagnetic oven, magnetic conduction coating can be only set on the bottom wall of pottery, to reduce the cost of pottery.
In above-mentioned multiple technical solutions, it is preferable that the outer wall in the pottery ontology is arranged in the magnetic conduction coating On face and/or on interior wall face.
In the technical scheme, you can magnetic conduction coating is arranged in interior wall face (including the interior bottom wall face of pottery ontology And interior sidewall surface) on, magnetic conduction coating can be also arranged to outside wall surface (including outer bottom wall face and the lateral wall in pottery ontology Face) on, to be heated using the internal face of pottery ontology using the heating of the outside wall surface of pottery again.
Wherein it is preferred to which the magnetic conduction coating is arranged on the lateral wall of the pottery ontology and/or outer bottom wall On, i.e. magnetic conduction coating is preferably provided in outside wall surface, because of this, magnetic conduction coating is arranged far from the one side of food, thus Substantially it will not be contacted with food, to can ensure that the health of food.
In the above-mentioned technical solutions, it is preferable that the pottery includes ceramic inner vessel.
In the technical scheme, pottery includes ceramic inner vessel, so as to which pottery is applied to pressure cooker, electric meal In the cooking apparatus such as pot, at this point, it can be respectively provided with magnetic conduction coating and protective layer on the side wall and bottom wall of ceramic inner vessel ontology, to It is heated simultaneously using the bottom wall and side wall of ceramic inner vessel.Certainly, pottery can be also arranged to other structures, for example be arranged At the various structures such as ceramic pan, ceramic cup, to meet a variety of demands of user.
The embodiment of fourth aspect present invention provides described in any one of a kind of cooking apparatus, including third aspect embodiment Pottery.
The ware that any one of cooking apparatus, including the third aspect for providing according to an embodiment of the invention embodiment provide Ware, therefore, the cooking apparatus have whole advantageous effects of the pottery of any one of third aspect embodiment offer, herein not It repeats again.
In the above-mentioned technical solutions, it is preferable that cooking apparatus includes electric cooker and electric pressure cooking saucepan, certainly, cooking apparatus Can be the other products in addition to electric cooker and electric pressure cooking saucepan.
The additional aspect and advantage of the present invention will provide in following description section, will partly become from the following description Obviously, or practice through the invention is recognized.
Description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention will become in the description from combination following accompanying drawings to embodiment Obviously and it is readily appreciated that, wherein：
Fig. 1 is the flow diagram of the preparation method of the pottery provided according to an embodiment of the invention；
Fig. 2 is another flow diagram of the preparation method of the kitchen pottery provided according to an embodiment of the invention；
Fig. 3 is the structural schematic diagram of the pottery provided according to an embodiment of the invention；
Fig. 4 a are another structural schematic diagrams of the pottery provided according to an embodiment of the invention；
Fig. 4 b are the enlarged diagrams at the A according to Fig. 4 a potteries provided；
Fig. 5 is the another flow diagram of the preparation method of the pottery provided according to an embodiment of the invention.
Specific implementation mode
To better understand the objects, features and advantages of the present invention, below in conjunction with the accompanying drawings and specific real Mode is applied the present invention is further described in detail.It should be noted that in the absence of conflict, the implementation of the application Feature in example and embodiment can be combined with each other.
Many details are elaborated in the following description to facilitate a thorough understanding of the present invention, still, the present invention may be used also By using other, different from implementing in a manner of described here, therefore, protection scope of the present invention is not by following public tool The limitation of body embodiment.
First aspect present invention embodiment provides a kind of magnetic conduction silver paste coating, and the magnetic conduction silver paste coating includes magnetic conduction silver Slurry and diluent, the magnetic conduction silver paste include：Silver powder, bonding agent, dispersant, glass powder and dissolution solvent.
The magnetic conduction silver paste coating provided according to an embodiment of the invention, magnetic conduction silver paste coating include silver powder, bonding agent, dispersion The magnetic conduction silver paste that agent, glass powder and dissolution solvent are configured in proportion and the diluent for diluting magnetic conduction silver paste form, wherein Silver powder is for realizing magnetic conductivity, and the grain size of silver powder is preferably 5 μm -10 μm, and bridging agent is for making silver powder particles be dispersed in connection In agent, so as to which magnetic conduction silver paste is made to constitute the material with certain viscosity, dissolution solvent is used for dissolving resin and for making silver Powder particles are fully dispersed and adjust the viscosity and aridity of magnetic conduction silver paste, and diluent is for diluting magnetic conduction silver paste, so that dilution Magnetic conduction silver paste afterwards disclosure satisfy that the requirement of spraying.In addition, when specifically preparing magnetic conduction silver paste coating, silver can be first weighed in proportion Powder, bonding agent, dispersant, glass powder and dissolution solvent simultaneously make it be sufficiently mixed, and it is small that three-roll grinder grinding one then can be used When to prepare magnetic conduction silver paste, wherein grinding can make the magnetic conduction silver paste prepared finer and smoother, so that it is more easy to and makes pottery The surface of porcelain utensil etc. combines, and thereafter, can mix the magnetic conduction silver paste prepared with diluent in proportion, so as to by magnetic conduction Silver paste is diluted to the magnetic conduction silver paste coating that can be sprayed.
In the above-mentioned technical solutions, the weight percent of the magnetic conduction silver paste is 60%-80%, the weight of the diluent Percentage is 20%-40%；The weight percent of the silver powder is 66.2%-79.8%, the weight percent of the bonding agent Weight percent for 5%-8%, the dispersant is 10%-15%, and the weight percent of the glass powder is 5%-10%, The weight percent of the dissolution solvent be 0.2%-0.8%, i.e., the described magnetic conduction silver paste include 66.2%-79.8% silver powder, The dissolution solvent of the bonding agent of 5%-8%, the dispersant of 10%-15%, the glass powder of 5%-10%, 0.2%-0.8%.
In the technical scheme, the content of each ingredient of magnetic conduction silver paste coating is limited in above range to improve and is led Total quality of magnetic silver paste coating, such as magnetic conductivity, viscosity and aridity etc., and then on the one hand disclosure satisfy that magnetic conduction silver paste coating Spraying requirement, on the other hand can make the better quality for the coating prepared by magnetic conduction silver paste coating.
In the above-mentioned technical solutions, the bonding agent includes E-44 epoxy resin, and the dispersant includes polyethylene glycol, institute It includes following components and content to state glass powder：The Bi of 45-65 parts by weight2O3, the ZnO of 2-9 parts by weight, the TiO of 1-6 parts by weight2, The Al of 5-14 parts by weight2O3, the SiO of 8-13 parts by weight2, the SrO of 1-10 parts by weight, the dissolution solvent includes tetrahydrofuran, institute Stating diluent includes：It is one or more in butyl ether, 12 ester alcohols, ethylene glycol ethyl ether, turpentine oil, cyclohexanone, terpinol.
In the technical scheme, bonding agent is preferably E-44 epoxy resin, and dispersant is preferably polyethylene glycol, and dissolving is molten Agent is preferably tetrahydrofuran, because E-44 epoxy resin, polyethylene glycol and tetrahydrofuran are all very conventional materials, thus price It is relatively cheap and be easy to purchase, it is thus possible to the cost of material of relative reduction magnetic conduction silver paste coating, and glass powder is using 45-65 weights Measure the Bi of part2O3, the ZnO of 2-9 parts by weight, the TiO of 1-6 parts by weight2, the Al of 5-14 parts by weight2O3, the SiO of 8-13 parts by weight2, The SrO of 1-10 parts by weight can further decrease the fusing point of magnetic conduction silver paste coating, and then magnetic conduction silver paste coating is being sprayed on pottery It can make pottery that there is stronger heat resistance when on the surfaces such as porcelain utensil.And diluent can be used butyl ether, 12 ester alcohols, It is one or more in ethylene glycol ethyl ether, turpentine oil, cyclohexanone, terpinol because, butyl ether, 12 ester alcohols, ethylene glycol ethyl ether, Turpentine oil, cyclohexanone, terpinol are all relatively common materials, thus price is relatively cheap and is easy to purchase, it is thus possible into The cost of material of one step relative reduction magnetic conduction silver paste coating.
A kind of preparation method of pottery of the embodiment of the present invention offer is described referring to Fig. 1 and Fig. 2.
As shown in Figure 1, the embodiment of second aspect of the present invention provides a kind of preparation method of pottery, including：Step Rapid 102, prepare magnetic conduction coating；Step 104, it is formed and is led on pottery ontology to be prepared using the magnetic conduction coating prepared Magnetic coating.
The preparation method of the pottery provided according to an embodiment of the invention is led by being formed on pottery ontology The pottery of preparation so that pottery can carry out magnetic conduction by magnetic conduction coating, and then can be applied to electricity by magnetic coating Magnetic heats, so as to be compared come heating ceramic vessel simultaneously as the thermal coefficient of pottery is low using electromagnetic induction For metalware, heat storage capacity is more preferable, therefore pottery, for example ceramic pan remains to make to hold in pot after the cessation of the heating Continuous boiling a period of time (generally 25s-30s), it is thus possible to heat food using the potteries such as the ceramic pan waste heat of itself Object, to achieve the purpose that save energy consumption.In addition, pottery also has, service life is long, the thermal efficiency is high, thus magnetic conduction coating with After pottery combines, binding force meeting higher, thus it is not easily to fall off, in addition, the ceramics prepared using this kind of preparation method Vessel also can be used water directly to clean, thus be cleaned convenient for user, and then can improve user experience.
In the above-mentioned technical solutions, it is preferable that described the step of preparing magnetic conduction coating is specially：By magnetic conduction powder, bonding agent, Dispersant, glass powder and dissolution solvent are ground into magnetic conduction slurry after mixing in proportion；Magnetic conduction slurry and diluent are mixed in proportion, with The magnetic conduction coating is made.
In the technical scheme, magnetic conduction coating include magnetic conduction powder, bonding agent, dispersant, glass powder and dissolution solvent by than The magnetic conduction slurry that example is configured to and the diluent composition for diluting magnetic conduction slurry, wherein magnetic conduction powder is for realizing magnetic conductivity, and magnetic conduction The grain size of powder is preferably 5 μm -10 μm, and bridging agent is for making powder particles be dispersed in bonding agent, so as to which magnetic conduction slurry is made to constitute Material with certain viscosity, dissolution solvent are used for dissolving resin and for keeping magnetic conduction powder particles fully dispersed and adjusting magnetic conduction slurry Viscosity and aridity, diluent, which is used to starch magnetic conduction, to be diluted, so that the magnetic conduction slurry after dilution disclosure satisfy that the requirement of spraying.Separately Outside, when specifically preparing magnetic conduction coating, can magnetic conduction powder, bonding agent, dispersant, glass powder and dissolution solvent be first weighed in proportion simultaneously So that it is sufficiently mixed, three-roll grinder then can be used and grind one hour to prepare magnetic conduction slurry, wherein grinding can make preparation The magnetic conduction slurry gone out is finer and smoother, so that it is more easy to be combined with the surface of pottery etc., thereafter, the magnetic conduction that can will be prepared Slurry is mixed with diluent in proportion, so as to which magnetic conduction slurry is diluted to the magnetic conduction paste paint that can be sprayed.
In the above-mentioned technical solutions, it is preferable that the magnetic conduction powder includes at least one of or combinations thereof silver powder, iron powder and Nickel powder.
In the technical scheme, when for providing magnetic conductivity, magnetic conduction powder can be that silver powder can also be iron powder and nickel Powder, but preferably silver powder, because the particle of silver powder is all thinner, to just ensure the magnetic conduction prepared without additional processing The fineness of slurry, and then the preparation efficiency of magnetic conduction coating can be improved.Certainly, magnetic iron powder and nickel powder can also be used to prepare magnetic conduction Iron starch and magnetic conduction nickel slurry, at this point, can first by iron powder and nickel powder be rolled into after fine particle, such as 5 μm -10 μm of grain size again with even Knot agent, dispersant, glass powder and dissolution solvent mix in proportion, so as to ensure the magnetic conduction iron prepared slurry and magnetic conduction nickel slurry Fineness disclosure satisfy that subsequent spraying requirement.
In the above-mentioned technical solutions, it is preferable that the weight percent of the magnetic conduction powder is 66.2%-79.8%, the company Tie the weight percent 5%-8% of agent, the weight percent 10%-15% of the dispersant, the weight percent of the glass powder Than 5%-10%, the weight percent 0.2%-0.8% of the dissolution solvent；The weight percent of the magnetic conduction slurry is 60%- 80%, the weight percent of the diluent is 20%-40%.
In the technical scheme, the weight percent hundred of each ingredient of magnetic conduction coating is limited in above range and can be improved Total quality of magnetic conduction coating, such as magnetic conductivity, viscosity and aridity etc., and then on the one hand disclosure satisfy that the spraying of magnetic conduction coating It is required that the better quality of the coating gone out by magnetic conduction coating preparation on the other hand can be made.
In the above-mentioned technical solutions, it is preferable that the bonding agent includes E-44 epoxy resin, and the dispersant includes poly- second Glycol, the glass powder include following components and content：The Bi of 45-65 parts by weight2O3, the ZnO of 2-9 parts by weight, 1-6 parts by weight TiO2, the Al of 5-14 parts by weight2O3, the SiO of 8-13 parts by weight2, the SrO of 1-10 parts by weight, the dissolution solvent includes tetrahydrochysene Furans, the diluent include：Butyl ether, 12 ester alcohols, ethylene glycol ethyl ether, turpentine oil, cyclohexanone, one kind in terpinol or more Kind.
In the technical scheme, bonding agent is preferably E-44 epoxy resin, and dispersant is preferably polyethylene glycol, and dissolving is molten Agent is preferably tetrahydrofuran, because E-44 epoxy resin, polyethylene glycol and tetrahydrofuran are all very conventional materials, thus price It is relatively cheap and be easy to purchase, it is thus possible to the cost of material of relative reduction magnetic conduction coating, and glass powder uses 45-65 parts by weight Bi2O3, the ZnO of 2-9 parts by weight, the TiO of 1-6 parts by weight2, the Al of 5-14 parts by weight2O3, the SiO of 8-13 parts by weight2, 1-10 The SrO of parts by weight can further decrease the fusing point of magnetic conduction coating, and then magnetic conduction coating is being sprayed on the surfaces such as pottery It can make pottery that there is stronger heat resistance when upper.And diluent can be used butyl ether, 12 ester alcohols, ethylene glycol ethyl ether, It is one or more in turpentine oil, cyclohexanone, terpinol, because, butyl ether, 12 ester alcohols, ethylene glycol ethyl ether, turpentine oil, hexamethylene Ketone, terpinol are all relatively common materials, thus price is relatively cheap and is easy to purchase, it is thus possible to further relative reduction The cost of material of magnetic conduction coating.
In another technical solution, as shown in Fig. 2, the preparation method of pottery includes：
Step 202, magnetic conduction coating is prepared, wherein the preparation process of magnetic conduction coating and required raw material and one in step 101 Sample.
Step 204, the magnetic conduction coating prepared is sprayed on pottery ontology to be prepared.It, can be straight in step The permeability magnetic material that will be prepared is connect to be sprayed on pottery ontology, and since magnetic conduction coating is the solution being diluted, thus Can be by the Spray painting tools such as spray gun or dish-style atomizer when spraying, and the magnetic conduction coating that will be prepared by means of pressure or centrifugal force It is dispersed into uniform and fine droplet, and is applied on pottery ontology, to complete the spraying of magnetic conduction coating, wherein preferably Ground, when the magnetic conduction coating prepared being sprayed on pottery ontology to be prepared, spray pressure 0.7bar-1.0bar, Stream distance is 100mm-150mm, and spray pattern is sector, and spraying flow is 150mL/min-200mL/min, and by that will spray The better quality of magnetic conduction coating made of spraying can be made within the above range by applying parameter setting, such as more moist, another It is more firm that aspect can also be such that magnetic conduction coating adheres to pottery ontology, thus prevents magnetic conduction coating shedding.
Step 206, the pottery ontology for being coated with magnetic conduction coating is toasted.It in this step, can be to being coated with The pottery ontology of magnetic conduction coating is toasted, and specifically, for example toasts 15min-20min, so as to by magnetic conduction coating It is securely solidificated on pottery ontology to form magnetic conduction coating, wherein to being coated with the pottery ontology of magnetic conduction coating Baking temperature when being toasted is 100 DEG C -150 DEG C, baking time 15min-20min, because of this kind of spraying temperature and spray It is more firm that the painting time can be such that magnetic conduction coating adheres to pottery ontology, thus prevents magnetic conduction coating shedding, while Will not or spray time excessively high because of temperature it is long and the case where leading to magnetic conduction coating cracking occurs.
Step 208, protective layer is formed in one side of the magnetic conduction coating far from the pottery ontology.In the step In, by forming protective layer in one side of the magnetic conduction coating far from the pottery ontology, the protective layer can be utilized to leading Magnetic coating carries out anti-oxidation equal protection, so as to keep magnetic conduction coating durable, and then can extend the use of pottery Service life, meanwhile, protective layer is preferably sprayed by ceramic glaze and is formed, and specifically, it is separate can ceramic glaze to be sprayed on to magnetic conduction coating In the one side of pottery ontology, to form glaze protective layer on magnetic conduction coating, and pass through the protective layer of ceramic glaze formation Has many advantages, such as high temperature resistant, corrosion-resistant, so as to effectively prevent magnetic conduction coating to be aoxidized.
Step 210, the pottery ontology for being formed with magnetic conduction coating and protective layer is heated to preset temperature, and heated Heat preservation preset time is carried out to the pottery ontology for being formed with magnetic conduction coating and protective layer after to the preset temperature, will be formed There is the pottery ontology of magnetic conduction coating and protective layer to be cooled to room temperature.It in this step, can be in the painting on pottery ontology To carrying out being heated to preset temperature to pottery at ambient temperature and keeping the temperature preset time after the completion of layer preparation, so as to Volatile substances in magnetic conduction coating are evaporated, it, hereafter, can be by pottery to ensure the safety of pottery It is cooled to room temperature, to complete the preparation of pottery.
Wherein it is preferred to which step 210 specifically includes：The pottery ontology for being formed with magnetic conduction coating and protective layer is added Heat is to the first preset temperature, and to being formed with the ware of magnetic conduction coating and protective layer after being heated to first preset temperature Ware ontology carries out the first preset time of heat preservation；The ceramics of magnetic conduction coating and protective layer will be formed with after keeping the temperature the first preset time Vessel ontology is heated to the second preset temperature, and to being formed with magnetic conduction coating and protection after being heated to second preset temperature The pottery ontology of layer carries out the second preset time of heat preservation；Wherein, second preset temperature is more than the described first default temperature Degree, second preset time are more than first preset time.
In this embodiment, when being heated and being kept the temperature to pottery, pottery can be heated stage by stage And heat preservation, specifically, for example can pottery be first heated to the first preset temperature and keep the temperature the first preset time, then incited somebody to action It is heated to the second preset temperature and keeps the temperature the second preset time, hereafter can be heated to third preset temperature successively and (be more than Second preset temperature) and keep the temperature third preset time (be more than the second preset time) and the rest may be inferred is heated to the 4th preset temperature (being more than third preset temperature) the 4th preset time of heat preservation (being more than third preset time) etc., the temperature until being heated to pottery Volatile substances can be evaporated completely substantially, therefore is generally heated to when spending the limit, but being generally heated to 650 DEG C -700 DEG C 650 DEG C -700 DEG C, and it is heated to 650 DEG C -700 DEG C of heating times from room temperature and the front and back temperature difference kept the temperature twice can root It is determined according to actual conditions, theoretically number is The more the better and the front and back temperature difference kept the temperature twice is the smaller the better, but heating times Excessively the heating time of pottery ontology can be caused long, and then the production efficiency of pottery can be caused too low, therefore, one As heat 3 times to 5 times, specifically, for example can pottery be first heated to 100 DEG C -120 DEG C simultaneously from room temperature such as 4 times 30min-40min is kept the temperature, 200 DEG C -220 DEG C is again heated to and keeps the temperature 40min-1h, is then heated to 300 DEG C of -350 DEG C of heat preservations 50min-1h, and keeps the temperature 5-10min by finally heated to 650-700 DEG C, and the mode that this kind is heated and kept the temperature stage by stage can prevent one Secondary property by pottery heat it is excessively high and the case where cause pottery to rupture.
Step 210, the pottery for being formed with magnetic conduction coating and protective layer is cooled to room temperature.
In above-mentioned multiple technical solutions, it is preferable that the thickness of the magnetic conduction coating is 8 μm -30 μm.
In the technical scheme, it is less than or equal to 30 μm of model equal to 8 μm by being disposed greater than the thickness of magnetic conduction coating In enclosing, magnetic conduction coating can be made to there is preferably magnetic property magnetic conduction coating can be made securely to be attached to pottery sheet again It is not easily to fall off on body, so as to various quality for ensuring magnetic conduction coating to ensure the total quality of pottery.
In above-mentioned multiple technical solutions, it is preferable that the thickness of the protective layer is 40 μm -60 μm.
In the technical scheme, it is less than or equal to 60 μm of range equal to 40 μm by being disposed greater than the thickness of protective layer It is interior, protective layer can be made securely to be attached on pottery ontology and not easily to fall off, and the thickness of protective layer can be avoided It is blocked up and lead to waste of material.
In the above-mentioned technical solutions, it is preferable that the magnetic conduction coating be arranged on the side wall of the pottery ontology and/ Or on the wall of bottom.
In the technical scheme, can be different according to the application scenario of pottery, and magnetic conduction coating is arranged in ware The different places of ware ontology, specifically, if for example, pottery is made pottery applied in the cooking apparatus such as pressure cooker and electric cooker When porcelain utensil is ceramic inner vessel, then one layer of magnetic conduction coating can be respectively provided on the bottom wall and side wall of pottery ontology, so as to It is heated simultaneously using the side wall and bottom wall of ceramic inner vessel, and then the heating properties of interior pot can be improved, and in pottery application When electromagnetic oven, magnetic conduction coating can be only set on the bottom wall of pottery, to reduce the cost of pottery.
In above-mentioned multiple technical solutions, it is preferable that the outer wall in the pottery ontology is arranged in the magnetic conduction coating On face and/or on interior wall face.
In the technical scheme, you can magnetic conduction coating is arranged in interior wall face (including the interior bottom wall face of pottery ontology And interior sidewall surface) on, magnetic conduction coating can be also arranged to outside wall surface (including outer bottom wall face and the lateral wall in pottery ontology Face) on, to be heated using the internal face of pottery ontology using the heating of the outside wall surface of pottery again.
Wherein it is preferred to which the magnetic conduction coating is arranged on the lateral wall of the pottery ontology and/or outer bottom wall On, i.e. magnetic conduction coating is preferably provided in outside wall surface, because of this, magnetic conduction coating is arranged far from the one side of food, thus Substantially it will not be contacted with food, to can ensure that the health of food.
As shown in Fig. 3 to Fig. 4 b, the embodiment of third aspect present invention provides a kind of pottery 300, including：Ceramics Vessel ontology 310；Magnetic conduction coating 310 is arranged on the pottery ontology 310.
The pottery 300 provided according to an embodiment of the invention is applied by forming magnetic conduction on pottery ontology 310 Layer 310, so that pottery 300 can carry out magnetic conduction by magnetic conduction coating 310, and then can be by the pottery 300 of preparation Applied to electromagnetic heating, so as to using electromagnetic induction come heating ceramic vessel 300, simultaneously as pottery 300 is led Hot coefficient is low, and for metalware, heat storage capacity is more preferable, therefore pottery 300, for example ceramic pan is stopping adding Remain to make constantly boiling in pot (to be generally 25s-30s) for a period of time after heat, it is thus possible to utilize the potteries 300 such as ceramic pan Itself waste heat heats food, to achieve the purpose that save energy consumption.In addition, pottery 300 also has service life long, hot It is efficient, thus after magnetic conduction coating 310 is combined with pottery 300, binding force can higher, thus it is not easily to fall off, in addition, sharp The pottery 300 prepared with this kind of preparation method also can be used water directly to clean, thus be cleaned convenient for user, and then can carry High user experience.
Wherein it is preferred to which magnetic conduction coating 310 is made of magnetic conduction slurry and diluent, and magnetic conduction slurry includes：Magnetic conduction powder, connection Agent, dispersant, glass powder and dissolution solvent, specifically, magnetic conduction powder is for realizing magnetic conductivity, and the grain size of magnetic conduction powder is preferably 5 μ M-10 μm, bridging agent is for making powder particles be dispersed in bonding agent, so as to which magnetic conduction slurry is made to constitute the material with certain viscosity Material, dissolution solvent are used for dissolving resin and for keeping magnetic conduction powder particles fully dispersed and adjusting viscosity and aridity that magnetic conduction is starched, Diluent, which is used to starch magnetic conduction, to be diluted, so that the magnetic conduction slurry after dilution disclosure satisfy that the requirement of spraying.
Wherein it is preferred to the weight percent of the magnetic conduction powder is 66.2%-79.8%, the weight hundred of the bonding agent Divide than 5%-8%, the weight percent 10%-15% of the dispersant, the weight percent 5%-10% of the glass powder, institute State the weight percent 0.2%-0.8% of dissolution solvent；The weight percent of the magnetic conduction slurry is 60%-80%, the dilution The weight percent of agent is 20%-40%.
In the technical scheme, the weight percent hundred of each ingredient of magnetic conduction coating is limited in above range and can be improved Total quality of magnetic conduction coating, such as magnetic conductivity, viscosity and aridity etc., and then on the one hand disclosure satisfy that the spraying of magnetic conduction coating It is required that the better quality of the coating gone out by magnetic conduction coating preparation on the other hand can be made.
In the above-mentioned technical solutions, it is preferable that the bonding agent includes E-44 epoxy resin, and the dispersant includes poly- second Glycol, the glass powder include following components and content：The Bi of 45-65 parts by weight2O3, the ZnO of 2-9 parts by weight, 1-6 parts by weight TiO2, the Al of 5-14 parts by weight2O3, the SiO of 8-13 parts by weight2, the SrO of 1-10 parts by weight, the dissolution solvent includes tetrahydrochysene Furans, the diluent include：Butyl ether, 12 ester alcohols, ethylene glycol ethyl ether, turpentine oil, cyclohexanone, one kind in terpinol or more Kind.
In the technical scheme, bonding agent is preferably E-44 epoxy resin, and dispersant is preferably polyethylene glycol, and dissolving is molten Agent is preferably tetrahydrofuran, because E-44 epoxy resin, polyethylene glycol and tetrahydrofuran are all very conventional materials, thus price It is relatively cheap and be easy to purchase, it is thus possible to the cost of material of relative reduction magnetic conduction coating, and glass powder uses 45-65 parts by weight Bi2O3, the ZnO of 2-9 parts by weight, the TiO of 1-6 parts by weight2, the Al of 5-14 parts by weight2O3, the SiO of 8-13 parts by weight2, 1-10 The SrO of parts by weight can further decrease the fusing point of magnetic conduction coating, and then magnetic conduction coating is being sprayed on to the tables such as pottery 300 It can make pottery 300 that there is stronger heat resistance when on face.And butyl ether, 12 ester alcohols, ethylene glycol can be used in diluent It is one or more in ether, turpentine oil, cyclohexanone, terpinol because, butyl ether, 12 ester alcohols, ethylene glycol ethyl ether, turpentine oil, Cyclohexanone, terpinol are all relatively common materials, thus price is relatively cheap and is easy to purchase, it is thus possible to further opposite Reduce the cost of material of magnetic conduction coating.
In the above-mentioned technical solutions, it is preferable that pottery 300 further includes：Protective layer 320, the protective layer 320 are arranged In one side of the magnetic conduction coating 310 far from the pottery ontology 310.
In the technical scheme, it is protected by being formed in one side of the magnetic conduction coating 310 far from the pottery ontology 310 Sheath 320 can carry out anti-oxidation equal protection, so as to make magnetic conduction coating using the protective layer 320 to magnetic conduction coating 310 310 is durable, and then can extend the service life of pottery 300.
In the above-mentioned technical solutions, it is preferable that the magnetic conduction coating 310 includes at least one of or combinations thereof：Magnetic conduction Silver layer, magnetic conduction iron layer and magnetic conduction nickel layer.
In the technical scheme, when for providing magnetic conductivity, magnetic conduction coating 310 can be magnetic conduction silver made of silver powder Layer can also be magnetic conduction nickel layer made of magnetic conduction iron layer and nickel powder made of iron powder, but preferably magnetic conduction silver layer made of silver powder, Because the particle of silver powder is all thinner, to just ensure the smoothness for the magnetic conduction coating 310 prepared without additional processing, And then the processing efficiency of magnetic conduction coating 310 can be improved.Certainly, magnetic iron powder and nickel powder can also be used prepare magnetic conduction iron layer and Magnetic conduction nickel layer, at this point, can first by iron powder and nickel powder be rolled into after fine particle, such as 5 μm -10 μm of grain size again with bonding agent, Dispersant, glass powder and dissolution solvent mix in proportion, so as to which it is thin to ensure that the magnetic conduction iron prepared slurry and magnetic conduction nickel are starched Degree disclosure satisfy that subsequent spraying requirement.
In the above-mentioned technical solutions, it is preferable that magnetic conduction coating 310 is sprayed by spraying process to be formed, wherein spray pressure is 0.7bar-1.0bar, stream distance 100mm-150mm, spray pattern are sector, and spraying flow is 150mL/min-200mL/ min。
In the above-mentioned technical solutions, it is preferable that the thickness of the magnetic conduction coating 310 is 8 μm -30 μm.
In the technical scheme, it is less than or equal to 30 μm equal to 8 μm by being disposed greater than the thickness of magnetic conduction coating 310 In range, magnetic conduction coating 310 can be made to there is preferably magnetic property magnetic conduction coating 310 can be made securely to be attached to pottery again It is not easily to fall off on porcelain utensil ontology 310, so as to various quality for ensuring magnetic conduction coating 310 to ensure pottery 300 total quality.
In the above-mentioned technical solutions, it is preferable that the protective layer 320 is glaze protective layer.
In the technical scheme, ceramic glaze can be sprayed on to one side of the magnetic conduction coating 310 far from pottery ontology 310 On, to form glaze protective layer on magnetic conduction coating 310, and there is high temperature resistant, resistance to by the protective layer 320 that ceramic glaze is formed The advantages that corrosion, so as to effectively prevent magnetic conduction coating 310 to be aoxidized.
In the above-mentioned technical solutions, it is preferable that the thickness of the protective layer 320 is 40 μm -60 μm.
In the technical scheme, it is less than or equal to 60 μm equal to 40 μm by being disposed greater than the thickness of protective layer 320 In range, protective layer 320 can be made securely to be attached on pottery ontology 310 and not easily to fall off, and can avoid protecting The thickness of sheath 320 is blocked up and leads to waste of material.
In the above-mentioned technical solutions, it is preferable that the magnetic conduction coating be arranged on the side wall of the pottery ontology and/ Or on the wall of bottom.
In the technical scheme, can be different according to the application scenario of pottery, and magnetic conduction coating is arranged in ware The different places of ware ontology, specifically, if for example, pottery is made pottery applied in the cooking apparatus such as pressure cooker and electric cooker When porcelain utensil is ceramic inner vessel, then one layer of magnetic conduction coating can be respectively provided on the bottom wall and side wall of pottery ontology, so as to It is heated simultaneously using the side wall and bottom wall of ceramic inner vessel, and then the heating properties of interior pot can be improved, and in pottery application When electromagnetic oven, magnetic conduction coating can be only set on the bottom wall of pottery, to reduce the cost of pottery.
In above-mentioned multiple technical solutions, it is preferable that the outer wall in the pottery ontology is arranged in the magnetic conduction coating On face and/or on interior wall face.
In the technical scheme, you can magnetic conduction coating is arranged in interior wall face (including the interior bottom wall face of pottery ontology And interior sidewall surface) on, magnetic conduction coating can be also arranged to outside wall surface (including outer bottom wall face and the lateral wall in pottery ontology Face) on, to be heated using the internal face of pottery ontology using the heating of the outside wall surface of pottery again.
Wherein it is preferred to which the magnetic conduction coating is arranged on the lateral wall of the pottery ontology and/or outer bottom wall On, i.e. magnetic conduction coating is preferably provided in outside wall surface, because of this, magnetic conduction coating is arranged far from the one side of food, thus Substantially it will not be contacted with food, to can ensure that the health of food.
In the above-mentioned technical solutions, it is preferable that as shown in figures 4 a and 4b, the pottery 300 includes ceramic inner vessel 400, specifically, which includes ceramic inner vessel ontology 410 and magnetic conduction coating 420 and protective layer 430.
In the technical scheme, pottery includes ceramic inner vessel, so as to which pottery is applied to pressure cooker, electric meal In the cooking apparatus such as pot, at this point, it can be respectively provided with magnetic conduction coating and protective layer on the side wall and bottom wall of ceramic inner vessel ontology, to It is heated simultaneously using the bottom wall and side wall of ceramic inner vessel.Certainly, pottery can be also arranged to other structures, for example be arranged At the various structures such as ceramic pan, ceramic cup, to meet a variety of demands of user.
The embodiment of fourth aspect present invention provides a kind of cooking apparatus (not shown), including the third aspect is any Pottery described in item embodiment.
The ware that any one of cooking apparatus, including the third aspect for providing according to an embodiment of the invention embodiment provide Ware, therefore, the cooking apparatus have whole advantageous effects of the pottery of any one of third aspect embodiment offer, herein not It repeats again.
In the above-mentioned technical solutions, it is preferable that cooking apparatus includes electric cooker and electric pressure cooking saucepan, certainly, cooking apparatus Can be the other products in addition to electric cooker and electric pressure cooking saucepan.
The preparation method of the pottery provided according to one embodiment of present invention is be provided referring to Fig. 5, The preparation method of wherein pottery specifically includes following steps：
Step 502, it is ground after silver powder, E-44 epoxy resin, polyethylene glycol, glass powder and tetrahydrofuran being mixed in proportion It is mixed in proportion at magnetic conduction silver paste, and by magnetic conduction silver paste and diluent, magnetic conduction silver paste coating is made.In this step, glass Powder includes the Bi of 45-65 parts by weight2O3, the ZnO of 2-9 parts by weight, the TiO of 1-6 parts by weight2, the Al of 5-14 parts by weight2O3, 8-13 The SiO of parts by weight2, the weight percent of the SrO of 1-10 parts by weight, silver powder are 66.2%-79.8%, the weight of E-44 epoxy resin Amount percentage is 5%-8%, and the weight percent of polyethylene glycol is 10%-15%, and the weight percent of glass powder is 5%- 10%, the weight percent of tetrahydrofuran is 0.2%-0.8%, and the weight percent of magnetic conduction silver paste is 60%-80%, dilution The weight percent of agent is 20%-40%, and diluent includes：Butyl ether, 12 ester alcohols, ethylene glycol ethyl ether, turpentine oil, hexamethylene It is one or more in ketone, terpinol.
Step 504, the magnetic conduction silver paste coating prepared is sprayed on pottery ontology to be prepared, spray pressure is 0.7bar-1.0bar, stream distance 100mm-150mm, spray pattern are sector, and spraying flow is 150mL/min-200mL/ Min, wherein coating thickness is 8 μm -30 μm, so as to form the magnetic conduction silver layer of 8 μm of -30 μ m-thick.
Step 506, the pottery ontology for being coated with magnetic conduction silver paste coating is toasted at a temperature of 100 DEG C -150 DEG C 15min-20min。
Step 508, ceramic glaze being sprayed on magnetic conduction silver layer, wherein coating thickness is 40 μm -60 μm, so as to Form the glaze protective layer that thickness is 40 μm -60 μm.
Step 510, pottery is heated to 100 DEG C -120 DEG C from room temperature and keeps the temperature 30min-40min, be again heated to 200 DEG C -220 DEG C and 40min-1h is kept the temperature, is then heated to 300 DEG C of -350 DEG C of heat preservation 50min-1h, it is finally heated to 650-700 DEG C and keep the temperature 5-10min.
Step 512, pottery is cooled to room temperature, to complete the preparation of pottery.
In the description of this specification, term " connection ", " installation ", " fixation " etc. shall be understood in a broad sense, for example, " even Connect " it may be fixed connection or may be dismantle connection, or integral connection；It can be directly connected, it can also be in Between medium be indirectly connected.For the ordinary skill in the art, above-mentioned term can be understood at this as the case may be Concrete meaning in invention.
In the description of this specification, the description of term " one embodiment " etc. means that the embodiment or example is combined to describe Particular features, structures, materials, or characteristics be included at least one embodiment or example of the invention.In the present specification, Schematic expression of the above terms are not necessarily referring to identical embodiment or example.Moreover, the specific features of description, knot Structure, material or feature can be combined in any suitable manner in any one or more of the embodiments or examples.
It these are only the preferred embodiment of the present invention, be not intended to restrict the invention, for those skilled in the art For member, the invention may be variously modified and varied.Any modification made by all within the spirits and principles of the present invention, Equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.

Claims (25)

1. a kind of magnetic conduction silver paste coating, which is characterized in that the magnetic conduction silver paste coating includes magnetic conduction silver paste and diluent, described to lead Magnetic silver paste includes：Silver powder, bonding agent, dispersant, glass powder and dissolution solvent.
2. magnetic conduction silver paste coating according to claim 1, which is characterized in that
The weight percent of the magnetic conduction silver paste is 60%-80%, and the weight percent of the diluent is 20%-40%；
The weight percent of the silver powder is 66.2%-79.8%, and the weight percent of the bonding agent is 5%-8%, described The weight percent of dispersant is 10%-15%, and the weight percent of the glass powder is 5%-10%, the dissolution solvent Weight percent is 0.2%-0.8%.
3. magnetic conduction silver paste coating according to claim 1, which is characterized in that
The bonding agent includes E-44 epoxy resin, and the dispersant includes polyethylene glycol, and the glass powder includes following components And content：The Bi of 45-65 parts by weight2O3, the ZnO of 2-9 parts by weight, the TiO of 1-6 parts by weight2, the Al of 5-14 parts by weight2O3, 8-13 The SiO of parts by weight2, the SrO of 1-10 parts by weight, the dissolution solvent includes tetrahydrofuran, and the diluent includes：Butyl ether, ten It is one or more in two ester alcohols, ethylene glycol ethyl ether, turpentine oil, cyclohexanone, terpinol.
4. a kind of preparation method of pottery, which is characterized in that
Prepare magnetic conduction coating；
Magnetic conduction coating is formed on pottery ontology to be prepared using the magnetic conduction coating prepared.
5. the preparation method of pottery according to claim 4, which is characterized in that further include：
Protective layer is formed in one side of the magnetic conduction coating far from the pottery ontology.
6. the preparation method of pottery according to claim 4, which is characterized in that described the step of preparing magnetic conduction coating Specially：
Magnetic conduction slurry is ground into after magnetic conduction powder, bonding agent, dispersant, glass powder and dissolution solvent are mixed in proportion；
Magnetic conduction slurry and diluent are mixed in proportion, the magnetic conduction coating is made.
7. the preparation method of pottery according to claim 6, which is characterized in that the magnetic conduction powder include it is following at least One or a combination set of：Silver powder, iron powder and nickel powder.
8. the preparation method of pottery according to claim 6, which is characterized in that
The weight percent of the magnetic conduction powder is 66.2%-79.8%, and the weight percent of the bonding agent is 5%-8%, institute The weight percent for stating dispersant is 10%-15%, and the weight percent of the glass powder is 5%-10%, the dissolution solvent Weight percent be 0.2%-0.8%；
The weight percent of the magnetic conduction slurry is 60%-80%, and the weight percent of the diluent is 20%-40%.
9. the preparation method of pottery according to claim 6, which is characterized in that the bonding agent includes E-44 epoxies Resin, the dispersant include polyethylene glycol, and the glass powder includes following components and content：The Bi of 45-65 parts by weight2O3, 2- The TiO of the ZnO of 9 parts by weight, 1-6 parts by weight2, the Al of 5-14 parts by weight2O3, the SiO of 8-13 parts by weight2, 1-10 parts by weight SrO, the dissolution solvent include tetrahydrofuran, and the diluent includes：Butyl ether, 12 ester alcohols, ethylene glycol ethyl ether, turpentine oil, It is one or more in cyclohexanone, terpinol.
10. the preparation method of pottery according to claim 5, which is characterized in that the protective layer is by ceramic glaze Spraying is formed.
11. the preparation method of the pottery according to any one of claim 4 to 10, which is characterized in that the utilization The magnetic conduction coating prepared specifically includes the step of forming magnetic conduction coating on pottery ontology to be prepared：
The magnetic conduction coating prepared is sprayed on pottery ontology to be prepared；
Pottery ontology to being coated with magnetic conduction coating toasts.
12. the preparation method of pottery according to claim 11, which is characterized in that
When the magnetic conduction coating prepared being sprayed on pottery ontology to be prepared, spray pressure 0.7bar-1.0bar, Stream distance is 100mm-150mm, and spray pattern is sector, and spraying flow is 150mL/min-200mL/min.
13. the preparation method of pottery according to claim 11, which is characterized in that
Baking temperature when pottery ontology to being coated with magnetic conduction coating toasts is 100 DEG C -150 DEG C, baking time For 15min-20min.
14. the preparation method of the pottery according to any one of claim 4 to 10, which is characterized in that further include：
The pottery ontology for being formed with magnetic conduction coating is heated to preset temperature, and to shape after being heated to the preset temperature Heat preservation preset time is carried out at there is the pottery ontology of magnetic conduction coating；
The pottery ontology for being formed with magnetic conduction coating is cooled to room temperature.
15. the preparation method of pottery according to claim 14, which is characterized in that described to be formed with magnetic conduction coating Pottery ontology be heated to preset temperature, and to being formed with the ware of magnetic conduction coating after being heated to the preset temperature Ware ontology carries out the step of heat preservation preset time and specifically includes：
The pottery ontology for being formed with magnetic conduction coating is heated to the first preset temperature, and is being heated to the described first default temperature The first preset time of heat preservation is carried out to the pottery ontology for being formed with magnetic conduction coating after degree；
The pottery ontology for being formed with magnetic conduction coating is heated to the second preset temperature after keeping the temperature the first preset time, and It is heated to carrying out the second preset time of heat preservation to the pottery ontology for being formed with magnetic conduction coating after second preset temperature；
Wherein, second preset temperature is more than first preset temperature, and it is pre- that second preset time is more than described first If the time.
16. the preparation method of the pottery according to any one of claim 4 to 10, which is characterized in that the magnetic conduction The thickness of coating is 8 μm -30 μm.
17. the preparation method of pottery according to claim 5, which is characterized in that the thickness of the protective layer is 40 μ m-60μm。
18. the preparation method of the pottery according to any one of claim 4 to 10, which is characterized in that the magnetic conduction Coating be arranged on the lateral wall of the pottery ontology and/or outer bottom wall on.
19. a kind of pottery, which is characterized in that including：
Pottery ontology；
Magnetic conduction coating is arranged on the pottery ontology.
20. pottery according to claim 19, which is characterized in that further include：
Protective layer, the protective layer are arranged in one side of the magnetic conduction coating far from the pottery ontology.
21. pottery according to claim 19, which is characterized in that the magnetic conduction coating include at least one of or A combination thereof：Magnetic conduction silver layer, magnetic conduction iron layer and magnetic conduction nickel layer.
22. pottery according to claim 19, which is characterized in that the thickness of the magnetic conduction coating is 8 μm -30 μm.
23. pottery according to claim 20, which is characterized in that
The protective layer is glaze protective layer.
24. pottery according to claim 20, which is characterized in that
The thickness of the protective layer is 40 μm -60 μm.
25. a kind of cooking apparatus, which is characterized in that including：Pottery as described in any one of claim 19 to 24.
CN201710031901.0A 2017-01-17 2017-01-17 Magnetic conduction silver paste coating, pottery and preparation method thereof and cooking apparatus Pending CN108610671A (en)

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CN111116233A (en) * 2019-12-11 2020-05-08 柯伟才 Magnetic conductive coating composition and magnetic conductive ceramic product

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Application publication date: 20181002