WO2018059451A1 - 疏水型防沉降远红外吸波材料及其制备方法、厨电产品及其制备方法 - Google Patents

疏水型防沉降远红外吸波材料及其制备方法、厨电产品及其制备方法 Download PDF

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Publication number
WO2018059451A1
WO2018059451A1 PCT/CN2017/103716 CN2017103716W WO2018059451A1 WO 2018059451 A1 WO2018059451 A1 WO 2018059451A1 CN 2017103716 W CN2017103716 W CN 2017103716W WO 2018059451 A1 WO2018059451 A1 WO 2018059451A1
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Prior art keywords
settling
far
agent
hydrophobic
absorbing material
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Ceased
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PCT/CN2017/103716
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English (en)
French (fr)
Inventor
赵莉
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.)
Midea Group Co Ltd
Guangdong Midea Kitchen Appliances Manufacturing Co Ltd
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Midea Group Co Ltd
Guangdong Midea Kitchen Appliances Manufacturing Co Ltd
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Application filed by Midea Group Co Ltd, Guangdong Midea Kitchen Appliances Manufacturing Co Ltd filed Critical Midea Group Co Ltd
Priority to JP2019517331A priority Critical patent/JP6801094B2/ja
Publication of WO2018059451A1 publication Critical patent/WO2018059451A1/zh
Priority to US16/368,905 priority patent/US10717882B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D1/00—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J36/00—Parts, details or accessories of cooking-vessels
    • A47J36/02—Selection of specific materials, e.g. heavy bottoms with copper inlay or with insulating inlay
    • A47J36/027—Cooking- or baking-vessels specially adapted for use in microwave ovens; Accessories therefor
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J36/00—Parts, details or accessories of cooking-vessels
    • A47J36/02—Selection of specific materials, e.g. heavy bottoms with copper inlay or with insulating inlay
    • A47J36/04—Selection of specific materials, e.g. heavy bottoms with copper inlay or with insulating inlay the materials being non-metallic
    • 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
    • B05D3/007—After-treatment
    • 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
    • C09D183/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Coating compositions based on derivatives of such polymers
    • C09D183/04—Polysiloxanes
    • 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
    • C09D5/18—Fireproof paints including high temperature resistant paints
    • 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
    • C09D5/32—Radiation-absorbing paints
    • 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
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/20—Diluents or solvents
    • 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
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/45—Anti-settling agents
    • 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
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/60—Additives non-macromolecular
    • C09D7/61—Additives non-macromolecular inorganic
    • 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
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/70—Additives characterised by shape, e.g. fibres, flakes or microspheres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D1/00—Processes for applying liquids or other fluent materials
    • B05D1/02—Processes for applying liquids or other fluent materials performed by spraying
    • 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
    • B05D5/00—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
    • 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
    • B05D5/00—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
    • B05D5/08—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures to obtain an anti-friction or anti-adhesive surface
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/02—Elements
    • C08K3/04—Carbon
    • C08K3/042—Graphene or derivatives, e.g. graphene oxides
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/10—Metal compounds
    • C08K3/14—Carbides
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals

Definitions

  • the invention belongs to the technical field of coatings, and in particular relates to a hydrophobic anti-settling far-infrared absorbing material, a preparation method thereof, a kitchen electric product and a preparation method thereof.
  • the absorbing agents used in the microwave industry are mostly ferrites, carbides, nitrides, etc., which are mixed with binders, solvents, etc., and are made of absorbing materials.
  • the sedimentation of the absorbing agent seriously affects the application of the absorbing material, and affects the actual absorbing effect of the absorbing material and the temperature rise stability. It is more likely that the temperature is too high and the safety of use arises.
  • the microwave absorbing material technology of the existing microwave industry mainly adds a high-density absorbing agent to the silica gel binder, and adds an appropriate amount of auxiliaries. After mechanical stirring, the sulphide cross-linking is pressed into a silica absorbing sheet of about 2 mm, that is, The final absorbing sheet can be made, and the absorbing sheet is adhered to the surface of the substrate with an adhesive to form a microwave absorbing accessory.
  • the microwave baking tray made by this method has the following disadvantages:
  • the absorbing agent is unevenly dispersed and easy to settle, which will result in a large difference in microwave absorbing properties of batch products of the same specification type, and even local overheating and melting phenomenon due to uneven dispersion of absorbing agent;
  • the present invention provides a hydrophobic anti-settling far-infrared absorbing material and a system thereof
  • the preparation method can be used on kitchen appliances, especially on microwave products, and aims to solve the uneven dispersion of the absorbing agent of the absorbing materials for microwave products currently existing, and easy to settle, which will result in batch products of the same specification and model.
  • Microwave absorbing performance is very different, and even localized overheating and melting phenomenon may occur due to uneven dispersion of absorbing agent; using a large amount of resin materials such as silica gel, the absorbing layer is too thick; without far infrared performance, the inside of the food is prone to immature phenomenon.
  • the production process is complicated, time-consuming and material-consuming; it does not have hydrophobic properties, and the use of oil for a long time may cause problems such as adhesion of oil.
  • a hydrophobic anti-settling far-infrared absorbing material comprises the following components by weight: 52-80 parts of binder, 0.5-2 parts of absorbing agent, 10-20 parts of far-infrared powder, and 5-10 parts of solvent.
  • the sedimenting agent is 1 to 15 parts, and the auxiliary agent is 0.8 to 1.5 parts.
  • the binder is a material having a good bonding property with the absorbing material and the baking sheet material, and has a temperature resistance property which is not easily decomposed at a high temperature.
  • the absorbing agent is a material which can be well dispersed in a binder and efficiently absorbs microwave energy in a microwave environment.
  • the binder can make the absorbing agent disperse well therein and adhere to the surface of the substrate, and has good bonding property with the absorbing agent and the substrate (for example, baking sheet material) and has high temperature resistance which is not easily decomposed by high temperature. It can meet the requirements of use in high temperature environment.
  • the main function of the absorbing agent is to absorb the microwave energy and convert it into heat to the appliance to achieve rapid heat absorption and heat transfer performance;
  • the solvent dissolves the auxiliary agent, the binder, and has a function of uniformly distributing the wave absorbing agent and the anti-settling agent.
  • the far infrared ray emitted by the far-infrared powder has a strong penetrating ability and can penetrate the food deeper.
  • the anti-settling agent can be well suspended in the coating system, and has the functions of thickening and thixotropic and chemical stability.
  • the auxiliary agent can make the components of the components well miscible and mix, and the resulting coating adheres well to the substrate.
  • the prepared hydrophobic anti-settling far-infrared absorbing material can have excellent anti-settling property and uniformity, and far infrared radiation performance. It has the advantages of good cooking effect, high temperature resistance, excellent absorbing performance, thin coating, simple production process and antibacterial function.
  • the present invention can also be improved as follows.
  • the binder is a hybrid product of a sol and a silicone resin.
  • the mass ratio of the sol to the silicone resin is (3 to 15):1.
  • the beneficial effect of adopting the above scheme is that the method of hybridizing the sol and the organic resin is beneficial to ensure the high temperature resistance and the easy cleaning performance of the material, that is, the mixed use of the two can achieve good high temperature resistance and easy cleaning performance.
  • the mass ratio of the sol to the silicone resin is in the range of (3 to 15): 1, the performance is further improved.
  • the sol is selected from any one or a mixture of any one of a silica sol, an aluminum sol, and a zirconium sol.
  • the beneficial effects of adopting the above scheme are as follows: using the above-mentioned type of binder, not only can the absorbing agent be well dispersed therein, but also adhere to the surface of the substrate; it has good temperature resistance and meets the requirements for use in a high temperature environment. And also has good hydrophobic properties.
  • the content of the effective substance in the silica sol is 20% to 40%; the content of the effective substance in the aluminum sol is 20% to 40%; and the content of the effective substance in the zirconium sol is 15% to 25%.
  • the effective substance in the silica sol refers to silica
  • the effective substance in the aluminum sol refers to alumina
  • the effective substance in the zirconium sol refers to zirconia. That is, in the silica sol, the mass fraction of silica is between 20% and 40%; in the aluminum sol, the mass fraction of alumina is between 20% and 40%; in the zirconium sol, the mass fraction of zirconia is It is 15% to 25%.
  • the beneficial effect of adopting the above scheme is that the content of the suitable effective substance is favorable for controlling the stable application of the viscosity of the coating. If the content is too low, the viscosity of the coating is too small, which may easily lead to poor film forming performance; if the content is too high, the viscosity is too large, and it is easy. Lead to flow adjustment.
  • the absorbing agent is composed of an A component selected from the group consisting of acicular zinc oxide whiskers or/and a thin layer of graphite; and the B raw material is selected from the group consisting of cerium oxide, cerium oxide, and cerium oxide. One or a mixture of several.
  • acicular zinc oxide whiskers and thin layer graphite are added as absorbing materials in one or more of cerium oxide, cerium oxide and cerium oxide according to different ratios.
  • the main function is to disperse well in the binder under the action of appropriate auxiliaries and to efficiently absorb the microwave energy in the microwave environment.
  • the parameter of cerium oxide is less than 30 nm; the parameter of cerium oxide is less than 30 nm; and the parameter of cerium oxide is less than 30 nm.
  • the beneficial effect of adopting the above scheme is that a suitable parameter range is beneficial for ensuring the performance of the coating prepared by the material and avoiding the problem of excessive cost, and if the particle size is too small, it is easy to cause high cost and is not suitable for industrial production, etc. If the particle size is too large, the coating may be poorly dispersed, and the appearance of the obtained coating may be unsatisfactory.
  • the solvent is selected from any one or a mixture of n-butanol, isobutanol, and isopropanol.
  • the beneficial effect of using the above scheme is that the solvent of the above kind can be used to further improve the dissolution aid, the binder and the effect of uniformly distributing the absorbing agent and the anti-settling agent.
  • the anti-settling agent is a hydrophobic fumed silica.
  • hydrophobic fumed silica as an anti-settling agent not only increases the consistency of the entire coating system and the suspension properties of the filler, but also makes the coating thixotropy, prevents sedimentation of the filler, and maintains chemical properties. Stable effect, and is beneficial to enhance hydrophobic properties.
  • auxiliary agent is selected from any one or a mixture of any one of a dispersing agent, an antifoaming agent, and an adhesion promoter.
  • the beneficial effects of the above scheme are as follows: the components of the coating are well compatible and mixed, and the prepared coating and the substrate are well adhered, and the coating performance is excellent.
  • the main role of the dispersant is to improve the anti-settling agent and the absorbing agent in the system. Dissolving and dispersing properties make the whole coating system uniform and stable; the main function of the defoaming agent is to reduce the surface tension and play the role of defoaming and foam suppression; the main function of the adhesion promoter is to improve the infiltration ability of the coating system and the substrate, thereby Increase the adhesion of the coating to the substrate.
  • the far-infrared powder is used in combination of two or more kinds of silicon carbide, iron oxide, magnesium oxide, zinc oxide, and aluminum oxide.
  • the beneficial effect of adopting the above scheme is that the above-mentioned type of far-infrared powder can further improve the penetrating ability, and can penetrate the food deeper to avoid the phenomenon of unfamiliar inside the food.
  • the invention provides a preparation method of a hydrophobic anti-settling far-infrared absorbing material, comprising the steps of: mixing the components according to the above ratio to obtain a hydrophobic anti-settling far-infrared absorbing material.
  • the method for mixing and the specific conditions of the present invention are not particularly limited, and an appropriate stirring speed and stirring time can be selected according to specific conditions.
  • the invention has the advantages of simple preparation process, and the prepared hydrophobic anti-settling far-infrared absorbing material has excellent anti-settling property and uniformity, high temperature resistance, excellent absorbing property, and far infrared radiation performance. It has the advantages of good cooking effect, thin coating, simple production process and antibacterial function.
  • the auxiliary agent comprises a dispersing agent, an antifoaming agent and an adhesion promoter; and the preparation method of the hydrophobic anti-settling far-infrared absorbing material comprises the following steps:
  • the binder and a part of the dispersing agent are mixed according to the mixing ratio, and mixed to obtain a dispersing agent-binder mixing system;
  • Step 3 The anti-settling absorbing system is prepared by adding a far-infrared powder and the remaining dispersing agent, and mixing to obtain a hydrophobic anti-settling far-infrared absorbing material.
  • the beneficial effect of adopting the above scheme is that the above-mentioned order of addition is advantageous for rapid mixing of the components, and the performance of the material obtained due to uneven mixing is not good.
  • the ratio of the dispersant, the antifoaming agent and the adhesion promoter is such that the mass ratio of the dispersing agent to the antifoaming agent is (1 to 2): 1, and the mass ratio of the defoaming agent to the adhesion promoter is (0.5 to 2): 1.
  • the beneficial effect of adopting the above scheme is that the materials of the components can be further well compatible and mixed, and the preparation is made.
  • the coating and the substrate are well attached.
  • Dispersants, defoamers, and adhesion promoters in a suitable ratio provide superior dispersion, adhesion, and defoaming properties.
  • the present invention provides a kitchen appliance product comprising a substrate and a coating disposed on a surface of the substrate, the coating being made of the hydrophobic anti-settling far infrared absorbing material described above.
  • the hydrophobic anti-settling absorbing material of the invention can be used for all kitchen appliances based on microwave performance.
  • it can be used in microwave products such as microwave ovens and microwave ovens, with excellent anti-settling and uniformity, high temperature resistance, excellent absorbing properties, good far-infrared radiation performance, good cooking effect, thin coating, and production. Simple process and antibacterial function.
  • the invention also provides a preparation method of the kitchen electric product, spraying the hydrophobic anti-settling far-infrared absorbing material on the surface of the base material of the kitchen electric product, and then solidifying to form a hydrophobic anti-settling far-infrared absorbing material. coating.
  • the surface of the substrate of the kitchen electric product can be subjected to a pretreatment process to further improve the bonding effect between the coating and the substrate.
  • the preparation method of the invention is simple, has excellent anti-settling property and uniformity, high temperature resistance, far infrared radiation performance, good cooking food effect, excellent absorbing property, coating Thin, simple production process and antibacterial function.
  • a hydrophobic anti-settling far-infrared absorbing material comprises the following components by weight: 52-80 parts of binder, 0.5-2 parts of absorbing agent, 10-20 parts of far-infrared powder, and 5-10 parts of solvent.
  • the sedimenting agent is 1 to 15 parts, and the auxiliary agent is 0.8 to 1.5 parts.
  • a hydrophobic anti-settling far-infrared absorbing material according to the mass percentage, the binder in the hydrophobic type, anti-settling far-infrared absorbing material of the invention is 52%-80%, and the absorbing agent is 0.5. % ⁇ 2%, far infrared powder is 10%-20%, solvent is 5% ⁇ 10%, anti-settling agent is 1%-15%, and auxiliary agent is 0.8% ⁇ 1.5%.
  • the binder is a hybrid product of a sol and a silicone resin.
  • the mass ratio of the sol to the silicone resin ranges from (3 to 15): 1, the properties of the material are further improved.
  • the sol is selected from any one or a mixture of any one of a silica sol, an aluminum sol, and a zirconium sol.
  • the content of the effective substance in the silica sol is 20% to 40%; the content of the effective substance in the aluminum sol is 20% to 40%; and the content of the effective substance in the zirconium sol is 15% to 25%.
  • the effective substance in the silica sol refers to silica
  • the effective substance in the aluminum sol refers to alumina
  • the effective substance in the zirconium sol refers to zirconia. That is, in the silica sol, the mass fraction of silica is between 20% and 40%; in the aluminum sol, the mass fraction of alumina is between 20% and 40%; in the zirconium sol, the mass fraction of zirconia is It is 15% to 25%.
  • hybrid product of a sol and a silicone resin refers to a product obtained by mixing a sol with a silicone resin.
  • Silicone resin is a highly crosslinked network structure of polyorganosiloxane, usually with methyltrichlorosilane, dimethyldichlorosilane, phenyltrichlorosilane, diphenyldichlorosilane or methylbenzene. Various mixtures of chlorodichlorosilanes.
  • the silicone resin in the examples was purchased from WACKER.
  • the absorbing agent is composed of an A component selected from the group consisting of acicular zinc oxide whiskers or/and a thin layer of graphite; and the B raw material is selected from the group consisting of cerium oxide, cerium oxide, and cerium oxide. Mix of species or several. Preferably, the properties of the material are better when the A component and the B component are mixed with the mass ratio (3-15):1.
  • the parameter of cerium oxide is less than 30 nm; the parameter of cerium oxide is less than 30 nm; and the parameter of cerium oxide is less than 30 nm.
  • the solvent is selected from any one or a mixture of n-butanol, isobutanol, and isopropanol.
  • the anti-settling agent is a hydrophobic fumed silica.
  • hydrophobic fumed silica R972 and hydrophobic fumed silica R974 were purchased from Degussa.
  • the adjuvant is selected from any one or a mixture of any of a dispersing agent, an antifoaming agent, and an adhesion promoter.
  • a dispersing agent one of sodium lauryl sulfate and cetyltrimethylammonium bromide
  • an antifoaming agent L-1984, purchased from Namboy Chemical Co., Ltd., Japan
  • a booster KH-550, G-407, KH-550 and G-407 were purchased from Liaoning Gaizhou Chemical Industry Co., Ltd.
  • the far-infrared powder is a mixture of one or more of silicon carbide, iron oxide, magnesium oxide, zinc oxide, and aluminum oxide.
  • the far-infrared powder is used in combination of two or more kinds of silicon carbide, iron oxide, magnesium oxide, zinc oxide, and aluminum oxide, the ability of far-infrared radiation is further improved, and the baking effect is better.
  • silicon carbide, iron oxide, magnesium oxide, zinc oxide, and aluminum oxide each have a particle diameter of ⁇ 50 nm.
  • a method for preparing a hydrophobic anti-settling far-infrared absorbing material comprises the steps of: mixing the components according to the above ratio to obtain a hydrophobic anti-settling far-infrared absorbing material.
  • auxiliary agent is a mixture of a dispersing agent, an antifoaming agent and an adhesion promoter
  • the following preparation method can be employed:
  • the binder and a part of the dispersing agent are mixed according to the mixing ratio, and mixed to obtain a dispersing agent-binder mixing system;
  • Step 3 The anti-settling absorbing system is prepared by adding a far-infrared powder and the remaining dispersing agent, and mixing to obtain a hydrophobic anti-settling far-infrared absorbing material.
  • the step 2) is prepared by adding a solvent, a absorbing agent and an adhesion promoter to the anti-settling system, wherein the solvent is added in portions to obtain an anti-settling absorbing system;
  • the anti-settling absorbing system prepared in the step 3) is added with a far-infrared powder and a residual dispersing agent, and mechanically stirred until uniformly dispersed, thereby obtaining a final product-hydrophobic anti-settling far-infrared absorbing material.
  • the dispersant is added separately to improve the compatibility of each part.
  • the batch addition of the solvent facilitates the mixing of the parts.
  • the dispersant remaining in step 4) may constitute a mass ratio of the entire dispersant of 1:2.
  • the ratio of the dispersing agent, the defoaming agent and the adhesion promoter is: the mass ratio of the dispersing agent to the antifoaming agent is (1 to 2): 1, the mass ratio of the defoaming agent to the adhesion promoter is ( 0.5 ⁇ 2):1, which is beneficial to further improve the performance of the material.
  • a kitchen appliance product comprising a substrate and a coating disposed on a surface of the substrate, the coating being made of the hydrophobic anti-settling far infrared absorbing material described above.
  • a preparation method of a kitchen electric product the hydrophobic anti-settling far-infrared absorbing material is sprayed on a surface of a base material of a kitchen electric product, and then solidified to form a hydrophobic anti-settling far-infrared absorbing material to form a coating.
  • the hydrophobic anti-settling far-infrared absorbing material is sprayed on a surface of a base material of a kitchen electric product, and then solidified to form a hydrophobic anti-settling far-infrared absorbing material to form a coating.
  • it can be taken Use baking or other operations.
  • a hydrophobic anti-settling far-infrared absorbing material and a preparation method thereof the components of the material are: binder is 64.8 kg, absorbing agent is 2 kg, solvent is 7 kg, far infrared powder is 15 kg, anti-proof The settling agent was 10 kg and the auxiliary agent was 1.2 kg.
  • the preparation method is as follows:
  • binder including 25 kg of silica sol, 17 kg of aluminum sol, 10 kg of zirconium sol and 12.8 kg of silicone resin
  • dispersing aid sodium lauryl sulfate was added to disperse at 500 r/min.
  • the agent is completely dissolved and the system is uniform, and a dispersant-binder mixing system is obtained;
  • the content of the effective substance in the silica sol is 20%; the content of the effective substance in the aluminum sol is 20%; and the content of the effective substance in the zirconium sol is 15%.
  • a hydrophobic anti-settling far-infrared absorbing material and a preparation method thereof the composition of the material is: binder is 59.1 kg, absorbing agent is 1.6 kg, solvent is 9 kg, far-infrared powder is 18 kg, anti-settling The agent is 11 kg and the auxiliary agent is 1.3 kg.
  • the preparation method is as follows:
  • binder including 15 kg of silica sol, 15 kg of aluminum sol, 15 kg of zirconium sol and 14.1 kg of silicone resin
  • dispersing aid cetyltrimethylammonium bromide
  • the content of the effective substance in the silica sol is 40%; the content of the effective substance in the aluminum sol is 40%; and the content of the effective substance in the zirconium sol is 25%.
  • a hydrophobic anti-settling far-infrared absorbing material and a preparation method thereof the composition of the material is: binder is 54.3 kg, absorbing agent is 1.2 kg, solvent is 10 kg, far-infrared powder is 20 kg, anti-settling The agent is 13 kg and the auxiliary agent is 1.5 kg.
  • the preparation method is as follows:
  • the anti-settling absorbing system prepared in the step 3) is added to 20 kg of far-infrared powder (including 4 kg of silicon carbide, 4 kg of alumina, 4 kg of zinc oxide, 4 kg of magnesium oxide and 4 kg of iron oxide) and 4 kg of dispersant.
  • the cetyltrimethylammonium bromide is mechanically stirred until it is evenly dispersed to obtain the final product-hydrophobic anti-settling far-infrared absorbing material.
  • the content of the effective substance in the silica sol is 30%; and the content of the effective substance in the aluminum sol is 30%.
  • a hydrophobic anti-settling far-infrared absorbing material and a preparation method thereof the composition of the material is: binder is 70.2 kg, absorbing agent is 0.8 kg, solvent is 10 kg, far infrared powder is 12 kg, anti-settling The agent is 6 kg and the auxiliary agent is 1.0 kg.
  • the preparation method is as follows:
  • the content of the effective substance in the silica sol is 30%; the content of the effective substance in the aluminum sol is 30%; and the content of the effective substance in the zirconium sol is 20%.
  • a hydrophobic anti-settling far-infrared absorbing material and a preparation method thereof the components of the material are: binder is 75.7 kg, absorbing agent is 0.5 kg, solvent is 9 kg, far infrared powder is 10 kg, anti-proof The settling agent was 4 kg and the adjuvant was 0.8 kg.
  • the preparation method is as follows:
  • binder including 20 kg of silica sol, 47 kg of aluminum sol and 8.7 kg of silicone resin
  • dispersing aid sodium lauryl sulfate was mixed with 0.2 kg of dispersing aid sodium lauryl sulfate, mechanically stirred at 500 r/min until the dispersing agent was completely dissolved, system Uniform, producing a dispersant-binder mixing system
  • Step 2 The anti-settling system was prepared by adding 9 kg of solvent (9 kg of isopropanol), 0.5 kg of absorbing agent (including 0.2 kg of acicular zinc oxide whisker, 0.25 kg of thin layer of graphite and 0.05 kg of cerium oxide). With 0.2 kg adhesion promoter G-407, 300r / min mechanical stirring for 10min (the solvent is added in multiple times in the process), to obtain anti-settling absorbing system;
  • the content of the effective substance in the silica sol is 30%; and the content of the effective substance in the aluminum sol is 30%.
  • a hydrophobic anti-settling far-infrared absorbing material and a preparation method thereof the components of the material are: binder of 79.7 kg, absorbing agent of 0.5 kg, solvent of 5 kg, far-infrared powder of 10 kg, anti-proof The settling agent was 4 kg and the adjuvant was 0.8 kg.
  • the preparation method is as follows:
  • binder including 35 kg of silica sol, 35 kg of aluminum sol, 4.7 kg of zirconium sol and 5 kg of silicone resin
  • dispersing aid cetyltrimethylammonium bromide
  • the content of the effective substance in the silica sol is 30%; the content of the effective substance in the aluminum sol is 30%; and the content of the effective substance in the zirconium sol is 20%.
  • a hydrophobic anti-settling far-infrared absorbing material and a preparation method thereof the composition of the material is: binder is 64.3 kg, absorbing agent is 0.5 kg, solvent is 9 kg, far-infrared powder is 10 kg, anti-settling The agent is 15 kg and the auxiliary agent is 1.2 kg.
  • the preparation method is as follows:
  • the content of the effective substance in the silica sol is 30%; the content of the effective substance in the aluminum sol is 30%; and the content of the effective substance in the zirconium sol is 20%.
  • the anti-settling agent is 1 kg and the auxiliary agent is 0.8 kg.
  • the preparation method is as follows:
  • binder including 35 kg of silica sol, 30 kg of aluminum sol, 7 kg of zirconium sol and 7.7 kg of silicone resin
  • dispersing aid cetyltrimethylammonium bromide
  • the content of the effective substance in the silica sol is 30%; the content of the effective substance in the aluminum sol is 30%; and the content of the effective substance in the zirconium sol is 20%.
  • a hydrophobic anti-settling far-infrared absorbing material and a preparation method thereof the components of the material are: 52 kg of binder, 2 kg of absorbing agent, 9.5 kg of solvent, and 20 kg of far-infrared powder.
  • the settling agent was 15 kg and the auxiliary was 1.5 kg.
  • the preparation method is as follows:
  • binder including 45 kg of silica sol and 7 kg of silicone resin
  • dispersing agent sodium lauryl sulfate mechanically stir at 500 r/min until the dispersing agent is completely dissolved, and the system is uniform to obtain a dispersing agent.
  • step 2 Adding 9.5 kg of solvent (ie 9.5 kg of n-butanol), 2 kg of absorbing agent (including 1.8 kg of thin layer graphene and 0.2 kg of cerium oxide) and 0.3 kg of adhesion promoter to the anti-settling system prepared in step 2) G-407, 300r/min mechanical stirring for 10min (the solvent is added in multiple times during the process) to obtain anti-settling absorbing system;
  • the content of the effective substance in the silica sol is 30%.
  • Example 6 On the basis of Example 6, the silica sol was adjusted to 35.3 kg, and the hydrophobic fumed silica R972 was adjusted to 3.7 kg, and the rest were the same as in Example 6.
  • a hydrophobic anti-settling far-infrared absorbing material and a preparation method thereof the components of the material are: binder is 85.3 kg, absorbing agent is 0.2 kg, solvent is 7 kg, far infrared powder is 6 kg, anti-proof The settling agent was 0.3 kg and the auxiliary agent was 1.2 kg.
  • the preparation method is as follows:
  • binder including 25 kg of silica sol, 17 kg of aluminum sol, 31 kg of zirconium sol and 12.3 kg of silicone resin
  • dispersing aid sodium lauryl sulfate was added to disperse at 500 r/min. The agent is completely dissolved and the system is uniform, and a dispersant-binder mixing system is obtained;
  • the content of the effective substance in the silica sol is 30%; the content of the effective substance in the aluminum sol is 30%; and the content of the effective substance in the zirconium sol is 20%.
  • Hydrophobic anti-settling far-infrared absorbing material and preparation method thereof the components of the material are: binder 83.1 kg, the absorbing agent is 0.2 kg, the solvent is 7 kg, the far infrared powder is 8 kg, the anti-settling agent is 0.5 kg, and the auxiliary agent is 1.2 kg.
  • the preparation method is as follows:
  • binder including 25 kg of silica sol, 14 kg of aluminum sol, 31 kg of zirconium sol and 13.1 kg of silicone resin
  • dispersing aid sodium lauryl sulfate was added to dispersion at 500 r/min.
  • the agent is completely dissolved and the system is uniform, and a dispersant-binder mixing system is obtained;
  • the content of the effective substance in the silica sol is 30%; the content of the effective substance in the aluminum sol is 30%; and the content of the effective substance in the zirconium sol is 20%.
  • a hydrophobic anti-settling far-infrared absorbing material and a preparation method thereof the components of the material are: 50 kg of binder, 2.2 kg of absorbing agent, 7 kg of solvent, and 22 kg of far-infrared powder.
  • the settling agent was 17.6 kg and the auxiliary was 1.2 kg.
  • the preparation method is as follows:
  • binder including 25 kg of silica sol, 14 kg of aluminum sol, 1 kg of zirconium sol and 10 kg of silicone resin
  • dispersing aid sodium lauryl sulfate sodium lauryl sulfate
  • the content of the effective substance in the silica sol is 30%; the content of the effective substance in the aluminum sol is 30%; and the content of the effective substance in the zirconium sol is 20%.
  • the settling agent was 20 kg and the auxiliary agent was 1.2 kg.
  • the preparation method is as follows:
  • binder including 25 kg of silica sol, 4 kg of aluminum sol, 6 kg of zirconium sol and 10.3 kg of silicone resin
  • dispersing aid sodium lauryl sulfate was added to dispersion at 500 r/min. The agent is completely dissolved and the system is uniform, and a dispersant-binder mixing system is obtained;
  • the content of the effective substance in the silica sol is 30%; the content of the effective substance in the aluminum sol is 30%; and the content of the effective substance in the zirconium sol is 20%.
  • hydrophobic anti-settling far-infrared absorbing materials prepared in the respective examples and the respective comparative examples were sprayed on the surface of the substrate of the baking tray, respectively, and then baked to form a coating layer of the hydrophobic anti-settling far-infrared absorbing material. And used for the following tests.
  • Microwave performance is characterized by the highest temperature of the baking tray at the same time (2 minutes), the same material and size baking tray, and the same microwave oven with 100% firepower. The experimental results are shown in Table 1.
  • the thickness of the coating of the baking sheets prepared in Examples 1 to 9 was 50 ⁇ m.
  • the thickness of the coating of the baking sheets prepared in Comparative Example 1 to Comparative Example 4 was 50 ⁇ m.
  • the existing resin absorbing material has a thickness of 2 mm.
  • the contact angle refers to the angle ⁇ between the tangential line of the gas-liquid interface made at the intersection of gas, liquid and solid three-phase, and the solid-liquid boundary line, which is a measure of the degree of wetting. If ⁇ 90°, the solid surface is hydrophilic, that is, the liquid is relatively easy to wet the solid, and the smaller the contact angle, the better the hydrophilic property; if ⁇ >90°, the solid surface is hydrophobic. That is, the liquid does not easily wet the solid and easily moves on the surface.
  • Coating settling and thixotropic properties Place the equal-quality paint in the beaker of the same specification, place it at room temperature for 48 hours, observe whether the paint has delamination, and then mechanically stir at 200 r/min to observe whether the paint has shear thinning performance. No delamination and thixotropic properties are excellent, no delamination but no thixotropic properties, and delamination is poor. The experimental results are shown in Table 1.
  • Baking effect The same toast (size, shape, preparation method, etc.) was placed in the same baking utensil, and placed in the prior art enamel oven and the far-infrared enamel oven of Examples 1-11 of the present invention, respectively. .
  • the oven and far-infrared enamel ovens of the prior art have the same parameters except for the baking tray, and the same baking time is set. (3 min), the toast was baked, and after 3 minutes, the color uniformity and the colored area of the toast surface were determined.
  • the present invention uses components such as a binder, a absorbing agent, a far-infrared powder, a solvent, an anti-settling agent, and an auxiliary agent as compared with the existing resin absorbing material baking sheet. After mixing, it has the advantages of thin coating, good microwave performance, good hydrophobic performance, good anti-settling performance and baking effect.
  • the ratios of Examples 1 to 9 are all in the range of 52 to 80 parts of binder, 0.5 to 2 parts of absorbing agent, 10 to 20 parts of far infrared powder, 5 to 10 parts of solvent, and anti-settling agent 1 to 15 In the range of 0.8 to 1.5 parts of the auxiliary agent, the microwave performance, the hydrophobic property, the anti-settling property, and the baking effect can be further improved by setting a reasonable ratio range as compared with the comparative example. Comparative Example 1 and Comparative Example 2 were less desirable because of the addition of far-infrared powder. Comparative example 3 and Comparative Example 4 Although there were many far-infrared powders added, there were problems in that the coating strength was insufficient, the adhesion property was poor, and the cost was high.
  • Example 10 The results of Example 10 are similar to those of Example 6, and the specific data are not listed.
  • the invention adopts hydrophobic fumed silica with appropriate amount of dispersing aid, and is made into absorbing coating with other components, so that the coating has excellent anti-settling property and uniformity, and the dispersion of the absorbing agent is unevenly solved. Easy to settle, it will lead to a large difference in microwave absorbing properties of batch products of the same specification type, and even local overheating and melting phenomenon due to uneven dispersion of absorbing agent.
  • the invention abandons the preparation method of using a large amount of organic resin for the traditional baking tray absorbing material, and solves the disadvantage that the prior art absorbing layer is too thick.
  • the invention adopts a hydrophobic silica gel with a high temperature resistant binder and a absorbing agent having excellent absorbing properties, and is prepared into a coating which has good absorbing properties only by a thin coating layer, and the thickness is The technique is reduced to about 50 ⁇ m in about 2 mm, which greatly reduces the thickness of the absorbing material, and solves the problem of using a large amount of resin materials such as silica gel, resulting in an excessive thickness of the absorbing layer.
  • the invention adds a proper amount of far-infrared material in the absorbing material system, improves the penetrating property to the food, enables the food to absorb energy better inside, realizes the desire of synchronous cooking inside and the surface of the food, and comprehensively improves the absorbing microwave accessory. Cooking effect. Therefore, the existing paint does not have far-infrared performance, and the inside of the food is prone to unfamiliar phenomenon.
  • the absorbing material prepared by the invention only needs simple substrate pretreatment, and can be sprayed on the surface of the workpiece, and the coating thickness is only about 50 ⁇ m. Compared with the existing conventional absorbing materials, the process difficulty is obviously reduced, and the production is solved. The process is complicated, time-consuming and costly.
  • the invention adds hydrophobic type fumed silica to the absorbing material system, can not only solve the problem that the absorbing agent is easy to settle, and does not affect the hydrophobic oleophobic property and the absorbing property, thereby increasing the antibacterial function and making the prepared material. With suitable antibacterial properties. Therefore, the prior absorbing material technology does not have the hydrophobic property, and the long-term use easily leads to the adhesion of the oil stain.
  • auxiliaries described in the present invention other auxiliaries which can achieve dispersion, defoaming, and adhesion enhancement can also be used. To achieve similar performance, it is also within the scope of the present invention.

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Abstract

一种疏水型防沉降远红外吸波材料及其制备方法、厨电产品及其制备方法。该疏水型防沉降远红外吸波材料包括以下重量份组分：粘结剂52～80份，吸波剂0.5～2份，远红外粉剂10～20份，溶剂5～10份，防沉降剂1～15份，助剂0.8～1.5份。该吸波材料的制备方法包括按比例将各部分混合在一起。将该吸波材料喷涂在厨电产品的基材的表面，然后固化形成涂层，由此得到厨电产品。

Description

疏水型防沉降远红外吸波材料及其制备方法、厨电产品及其制备方法 技术领域
本发明属于涂料技术领域，尤其涉及一种疏水型防沉降远红外吸波材料及其制备方法、厨电产品及其制备方法。
背景技术
众所周知，用于微波行业的吸波剂大都是密度较大的铁氧体、碳化物、氮化物等，这些化合物与粘结剂、溶剂等混合制成吸波材料，放置一段时间后极易出现吸波剂沉降的情况，严重影响吸波材料的施涂，更会影响吸波材料的实际吸波效果以及温升稳定性，更有可能出现温度过高的情况，出现使用安全问题。
另外，以吸波材料制成的相关微波器具，烹饪食物易出现表面过火而食物内部还不熟的情况出现，影响消费者体验与实际的烹饪效果。
以上问题已经很严重的影响了吸波材料在微波行业的应用，无法满足微波产品类消费者日益增长的烧烤、烘焙要求。
现有微波行业吸波材料技术主要是将高密度吸波剂添加到硅胶粘结剂中，加入适量的助剂等，机械搅拌后，硫化交联压成2毫米左右的硅胶吸波片，即可制成最终的吸波片，再用胶黏剂将吸波片粘附在基材表面，制成微波吸波附件。但此方法制成的微波烤盘存在以下缺点：
1.吸波剂分散不均匀、易沉降，会导致同规格型号的批量产品微波吸波性能差异大，甚至会因吸波剂分散不均匀产生局部过热熔化现象；
2.使用大量硅胶等树脂材料，导致吸波层过厚；
3.不具有远红外性能，食物内部易出现不熟的现象；
4.生产工艺复杂，耗时费料；
5.不具有疏水性能，长时间使用易导致油污的粘附。
鉴于目前，微波行业使用的吸波材料还鲜见使用吸波涂料类，可以具有抗沉降型、远红外、吸波性能稳定的吸波材料更是无从找寻。仅仅局限在工艺复杂的厚层吸波片，且不具有疏水疏油性能完全无法满足未来的需求。薄层、便捷、性能优异的吸波涂料是大势所趋！
发明内容
鉴于现有技术所存在的问题，本发明提供一种疏水型防沉降远红外吸波材料及其制 备方法，可以用在厨电产品上，尤其应用在微波产品上，旨在解决现目前存在的微波产品用吸波材料的吸波剂分散不均匀、易沉降，会导致同规格型号的批量产品微波吸波性能差异大，甚至会因吸波剂分散不均匀产生局部过热熔化现象；使用大量硅胶等树脂材料，导致吸波层过厚；不具有远红外性能，食物内部易出现不熟的现象；生产工艺复杂，耗时费料；不具有疏水性能，长时间使用易导致油污的粘附等问题。
本发明解决上述技术问题的技术方案如下：
一种疏水型防沉降远红外吸波材料，包括以下重量份组分：粘结剂52～80份，吸波剂0.5～2份，远红外粉剂10～20份，溶剂5～10份，防沉降剂1～15份，助剂0.8～1.5份。
本发明中，粘结剂为与吸波材料以及烤盘材料具有良好结合性能的材料，并且具有高温不易分解的耐温性能。吸波剂为可以很好分散在粘结剂中，在微波环境下高效吸收微波能量的材料。
本发明的有益效果是：
粘结剂，可以使吸波剂很好的分散其中，并粘附在基材表面，与吸波剂以及基材(例如：烤盘材料)具有良好结合性能并且具有高温不易分解的耐温性能，可以满足高温环境下使用要求。
吸波剂的主要作用为吸收微波能量，并将其转化为热量传递给器具等，达到快速吸热与传热的性能；
溶剂可溶解助剂、粘结剂并且具有使吸波剂与防沉降剂均匀分布的作用。
远红外粉剂其发出的远红外线具有较强的穿透能力，可以更深层穿透食物。
防沉降剂可很好均一悬浮在涂料系统中，有增稠与触变性且化学性质稳定等作用。
助剂可以使各组分材料很好相溶混合，并且使制得的涂料与基材很好附着等功能。
发明人在研究中意外的发现采用上述各组分并通过合理的配比，可以使制得的疏水型防沉降远红外吸波材料具有优异的防沉降性与均匀性、远红外辐射性能好、使烹饪食物效果佳、耐高温、优异的吸波性能、涂层薄、生产工艺简单和抗菌功能等优点。
在上述技术方案的基础上，本发明还可以做如下改进。
进一步，所述粘结剂为溶胶与有机硅树脂的杂化产物。优选地，所述溶胶与有机硅树脂的质量比为(3～15):1。
采用上述方案的有益效果是：采用溶胶与有机树脂杂化的方式，有利于保证材料的耐高温性能与易清洁性能，即两者混合使用可以达到良好的耐高温与易清洁性能。当采用溶胶与有机硅树脂的质量比为(3～15):1范围内，性能会进一步提高。
进一步，所述溶胶选自硅溶胶、铝溶胶和锆溶胶中的任一种或任几种的混合。
采用上述方案的有益效果为：采用上述种类的粘结剂，不仅可以使吸波剂很好的分散其中，并粘附在基材表面；具有较好的耐温性能，满足高温环境下使用要求；而且还具有较好的疏水性能。
进一步，所述硅溶胶中有效物的含量为20％～40％；铝溶胶中有效物的含量为20％～40％；锆溶胶中有效物的含量为15％～25％。
硅溶胶中有效物指的是二氧化硅，铝溶胶中的有效物指的是氧化铝，锆溶胶中的有效物指的是氧化锆。即：所述硅溶胶中，二氧化硅的质量分数为20％～40％之间；铝溶胶中，氧化铝的质量分数为20％～40％之间；锆溶胶中，氧化锆的质量分数为15％～25％。
采用上述方案的有益效果为：合适的有效物的含量有利于控制涂料粘度的稳定适用，如果含量过低，涂料粘度太小，容易导致成膜性能差；如果含量过高，粘度过大，容易导致流平差。
进一步，所述吸波剂由A组分和B组分组成，所述A选自针状氧化锌晶须或/和薄层石墨；所述B原料选自氧化镧、氧化铈、氧化钕中的一种或几种的混合。
采用上述方案的有益效果为：采用针状氧化锌晶须、薄层石墨中的一种或两种与氧化镧、氧化铈、氧化钕中的一种或几种按照不同比例添加作为吸波材料，主要作用可以在适当助剂的作用下很好分散在粘结剂中，并且在微波环境下高效吸收微波能量的材料。
进一步，氧化镧的参数为粒径小于30nm；氧化铈的参数为粒径小于30nm；氧化钕的参数为粒径小于30nm。
采用上述方案的有益效果为：合适的参数范围有利于保证材料制得的涂层的性能且避免成本过高等问题，如果粒径过小，容易导致成本较高、不适合工业生产等问题，如果粒径过大，容易导致涂料分散较差，且制得的涂层外观不理想等问题。
进一步，所述溶剂选自正丁醇、异丁醇、异丙醇中的任一种或任几种混合。
采用上述方案的有益效果为：采用上述种类的溶剂可以进一步提高溶解助剂、粘结剂并且使吸波剂与防沉降剂均匀分布的效果。
进一步，所述防沉降剂为疏水型气相二氧化硅。
采用上述方案的有益效果为：采用疏水型气相二氧化硅作为防沉降剂，不仅可以增加整个涂料体系的稠度与填料的悬浮性能，并使涂料有触变性，防止填料的沉降，具有保持化学性质稳定的作用，而且有利于增强疏水性能。
进一步，所述助剂选自分散剂、消泡剂和附着力促进剂的任一种或任几种的混合。
采用上述方案的有益效果为：使涂料各组分很好的相容混合，使制得的涂料与基材很好附着等功能，涂料性能优异。分散剂的主要作用提高防沉降剂以及吸波剂在体系的 溶解分散性能，使整个涂料体系均一、稳定；消泡剂主要作用为降低表面张力从而起到消泡抑泡的作用；附着力促进剂的主要作用为提高涂料体系与基材的浸润能力，从而增加涂料与基材的附着性能。
进一步，所述远红外粉剂为碳化硅、氧化铁、氧化镁、氧化锌、氧化铝中的两种以上混合使用。
采用上述方案的有益效果为：采用上述种类的远红外粉剂可以进一步提高穿透能力，可以更深层穿透食物，避免食物内部出现不熟的现象。
本发明提供一种疏水型防沉降远红外吸波材料的制备方法，包括以下步骤：按上述的配比将各组分混匀，制得疏水型防沉降远红外吸波材料。
本发明对于混合的方法以及具体条件并无特殊限制，可以根据具体的情况，选择合适的搅拌速度、搅拌时间。
采用上述方案的有益效果为：本发明具有制备工艺简单，制备的疏水型防沉降远红外吸波材料具有优异的防沉降性与均匀性、耐高温、优异的吸波性能、远红外辐射性能好、使烹饪食物效果佳、涂层薄、生产工艺简单和抗菌功能等优点。
进一步，所述助剂包括分散剂、消泡剂和附着力促进剂；疏水型防沉降远红外吸波材料的制备方法包括以下步骤：
1)分散剂-粘结剂混合体系的制备：
将粘结剂与部分分散剂按照配比混合，混匀，制得分散剂-粘结剂混合体系；
2)防沉降体系的制备：
将步骤1)制得的混合体系中加入配比量的防沉降剂与消泡剂，混匀，制得防沉降体系；
3)防沉降吸波体系的制备：
将步骤2)制得的防沉降体系中加入溶剂、吸波剂与附着力促进剂，其中溶剂分次加入，制得防沉降吸波体系；
4)疏水型防沉降远红外吸波材料的制备：
将步骤3)制得防沉降吸波体系中加入远红外粉剂与剩余的分散剂，混匀，制得疏水型防沉降远红外吸波材料。
采用上述方案的有益效果为：采用上述的加入顺序有利于各组分快速混匀，避免因混合不均引起制得材料的性能不佳。
进一步，所述分散剂、消泡剂和附着力促进剂的比例关系为：分散剂与消泡剂的质量比为(1～2)：1，消泡剂与附着力促进剂的质量比为(0.5～2):1。
采用上述方案的有益效果是：可以进一步使各组分材料很好相容混合，并且使制得 的涂料与基材很好附着等功能。合适比例的分散剂、消泡剂和附着力促进剂使分散、附着和消泡等性能更加优越。
本发明提供一种厨电产品，包括基材和设置在基材表面的涂层，所述涂层由上述疏水型防沉降远红外吸波材料制成。
在具体使用时，也可以根据具体的情况，在厨电产品上设置除了本发明所述疏水型防沉降远红外吸波材料制成的涂层的以外的涂层。
本发明所述的疏水型防沉降吸波材料可以用于一切以微波性能为原理的厨电产品。例如：可以使用在微波炉以及微波烤箱等微波产品上，具有优异的防沉降性与均匀性、耐高温、优异的吸波性能、远红外辐射性能好、使烹饪食物效果佳、涂层薄、生产工艺简单和抗菌功能等优点。
本发明还提供一种厨电产品的制备方法，将上述疏水型防沉降远红外吸波材料喷涂在厨电产品的基材的表面，之后，固化，使疏水型防沉降远红外吸波材料形成涂层。
在喷涂前，厨电产品的基材的表面可以经过前处理过程，进一步提高涂料与基材的结合效果。
采用上述方案的有益效果是：本发明所述的制备方法简单，具有优异的防沉降性与均匀性、耐高温、远红外辐射性能好、使烹饪食物效果佳、优异的吸波性能、涂层薄、生产工艺简单和抗菌功能等优点。
具体实施方式
以下对本发明的原理和特征进行描述，所举实例只用于解释本发明，并非用于限定本发明的范围。
本发明中所采用的各组分，若无特别说明均可以通过市购方式获得或者通过本领域的常规技术手段制备。
一种疏水型防沉降远红外吸波材料，包括以下重量份组分：粘结剂52～80份，吸波剂0.5～2份，远红外粉剂10～20份，溶剂5～10份，防沉降剂1～15份，助剂0.8～1.5份。
优选地，一种疏水型防沉降远红外吸波材料，按照质量百分数计，本发明的疏水型、防沉降远红外吸波材料中的粘结剂为52％～80％，吸波剂为0.5％～2％，远红外粉剂为10％～20％，溶剂为5％～10％，防沉降剂为1％～15％，助剂为0.8％～1.5％。
所述粘结剂为溶胶与有机硅树脂的杂化产物。
优选地，当溶胶与有机硅树脂的质量比范围为(3～15):1，材料的性能会进一步提高。
所述溶胶选自硅溶胶、铝溶胶和锆溶胶中的任一种或任几种的混合。
所述硅溶胶中有效物的含量为20％～40％；铝溶胶中有效物的含量为20％～40％；锆溶胶中有效物的含量为15％～25％。
硅溶胶中有效物指的是二氧化硅，铝溶胶中的有效物指的是氧化铝，锆溶胶中的有效物指的是氧化锆。即：所述硅溶胶中，二氧化硅的质量分数为20％～40％之间；铝溶胶中，氧化铝的质量分数为20％～40％之间；锆溶胶中，氧化锆的质量分数为15％～25％。
“溶胶与有机硅树脂的杂化产物”指的是将溶胶与有机硅树脂混合后得到的产物。
有机硅树脂是高度交联的网状结构的聚有机硅氧烷，通常是用甲基三氯硅烷、二甲基二氯硅烷、苯基三氯硅烷、二苯基二氯硅烷或甲基苯基二氯硅烷的各种混合物。实施例中的有机硅树脂购于瓦克公司。
所述吸波剂由A组分和B组分组成，所述A选自针状氧化锌晶须或/和薄层石墨；所述B原料选自氧化镧、氧化铈、氧化钕中的一种或几种的混合。优选地，所述A组分与B组分与质量比(3-15)：1混合时，材料的性能会更好。
各实施例中，氧化镧的参数为粒径小于30nm；氧化铈的参数为粒径小于30nm；氧化钕的参数为粒径小于30nm。
为了进一步增加相溶效果，所述溶剂选自正丁醇、异丁醇、异丙醇中的任一种或任几种混合。
所述防沉降剂为疏水型气相二氧化硅。各实施例中，疏水型气相二氧化硅R972和疏水型气相二氧化硅R974均购自德固赛。
所述助剂选自分散剂、消泡剂和附着力促进剂的任一种或任几种的混合。各实施例中，具体为分散剂(十二烷基硫酸钠、十六烷基三甲基溴化铵中的一种)、消泡剂(L-1984，购自日本楠木化成公司)与附着力促进剂(KH-550、G-407中的一种，KH-550与G-407均购自购自辽宁盖州化学工业有限公司)。
所述远红外粉剂为碳化硅、氧化铁、氧化镁、氧化锌、氧化铝中的一种或几种的混合。当所述远红外粉剂为碳化硅、氧化铁、氧化镁、氧化锌、氧化铝中的两种以上混合使用时，远红外辐射的能力会进一步提高，烘焙的效果会更好。
各实施例中，碳化硅、氧化铁、氧化镁、氧化锌和氧化铝分别为粒径＜50nm。
一种疏水型防沉降远红外吸波材料的制备方法，包括以下步骤：按上述的配比将各组分混匀，制得疏水型防沉降远红外吸波材料。
当所述助剂为分散剂、消泡剂和附着力促进剂的混合时，可以采用下面的制备方法：
1)分散剂-粘结剂混合体系的制备：
将粘结剂与部分分散剂按照配比混合，混匀，制得分散剂-粘结剂混合体系；
2)防沉降体系的制备：
将步骤1)制得的混合体系中加入配比量的防沉降剂与消泡剂，混匀，制得防沉降体系；
3)防沉降吸波体系的制备：
将步骤2)制得的防沉降体系中加入溶剂、吸波剂与附着力促进剂，其中溶剂分次加入，制得防沉降吸波体系；
4)疏水型防沉降远红外吸波材料的制备：
将步骤3)制得防沉降吸波体系中加入远红外粉剂与剩余的分散剂，混匀，制得疏水型防沉降远红外吸波材料。
更具体的，可以采用下面的操作步骤：
1)分散剂-粘结剂混合体系的制备：
将配比量的粘结剂材料与部分分散剂按照配比混合，机械搅拌至分散剂完全溶解、体系均一，制得分散剂-粘结剂混合体系；
2)防沉降体系的制备：
将步骤1)制得的分散剂-粘结剂混合体系中加入配比量的防沉降剂与消泡剂，调整合适的机械搅拌速度至各组分混合均匀，制得防沉降体系；
3)防沉降吸波体系的制备：
将步骤2)制得防沉降体系中加入溶剂、吸波剂与附着力促进剂，其中溶剂需分次加入，制得防沉降吸波体系；
4)疏水型防沉降远红外吸波材料的制备：
将步骤3)制得的防沉降吸波体系中加入远红外粉剂与剩余分散剂，机械搅拌至分散均匀，即可得到最终产物—疏水型防沉降远红外吸波材料。
分散剂分别加入，可以提高各部分的相溶性能。溶剂的分批加入，有利于使各部分混匀。
具体操作是，步骤4)中剩余的分散剂可以占整个分散剂的质量比为1:2。
当所述分散剂、消泡剂和附着力促进剂的比例关系为：分散剂与消泡剂的质量比为(1～2)：1，消泡剂与附着力促进剂的质量比为(0.5～2):1，有利于进一步提高材料的性能。
一种厨电产品，包括基材和设置在基材表面的涂层，所述涂层由上述疏水型防沉降远红外吸波材料制成。
一种厨电产品的制备方法，将上述疏水型防沉降远红外吸波材料喷涂在厨电产品的基材的表面，之后，固化，使疏水型防沉降远红外吸波材料形成涂层。固化时，可以采 用烘烤等操作。
下面通过一些具体的实施例来进行介绍。
实施例1
一种疏水型防沉降远红外吸波材料及其制备方法，该材料各组成部分为：粘结剂为64.8千克，吸波剂为2千克，溶剂为7千克，远红外粉剂为15千克，防沉降剂为10千克，助剂为1.2千克。
制备方法如下：
1)分散剂-粘结剂混合体系的制备：
将64.8千克粘结剂(包括25千克硅溶胶、17千克铝溶胶、10千克锆溶胶和12.8千克有机硅树脂)与0.3千克分散助剂十二烷基硫酸钠混合，500r/min机械搅拌至分散剂完全溶解、体系均一，制得分散剂-粘结剂混合体系；
2)防沉降体系的制备：
将步骤1)制得的分散剂-粘结剂混合体系中加入10千克疏水型气相二氧化硅R974与0.3千克消泡剂L-1984，100r/min机械搅拌5min后，600r/min机械搅拌10min使各组分混合均匀，制得防沉降体系；
3)防沉降吸波体系的制备：
将步骤2)制得的防沉降体系中加入7千克溶剂(包括5千克异丙醇和2千克异丁醇)、2千克吸波剂(包括1.2千克针状氧化锌晶须、0.6千克薄层石墨、0.1千克氧化镧、0.05千克氧化铈和0.05千克氧化钕)与0.3千克附着力促进剂G-407，300r/min机械搅拌10min(过程中溶剂分多次加入)，制得防沉降吸波体系；
4)疏水型防沉降远红外吸波材料的制备：
将步骤3)制得的防沉降吸波体系中加入15千克远红外粉剂(包括7千克碳化硅、4千克氧化锌、2千克氧化镁和2千克氧化铁)与0.3千克分散剂十二烷基硫酸钠，机械搅拌至分散均匀，即可得到最终产物—疏水型防沉降远红外吸波材料。
上述中，硅溶胶中有效物的含量为20％；铝溶胶中有效物的含量为20％；锆溶胶中有效物的含量为15％。
实施例2
一种疏水型防沉降远红外吸波材料及其制备方法，该材料各组成为：粘结剂为59.1千克，吸波剂为1.6千克，溶剂为9千克，远红外粉剂为18千克，防沉降剂为11千克，助剂为1.3千克。
制备方法如下：
1)分散剂-粘结剂混合体系的制备：
将59.1千克粘结剂(包括15千克硅溶胶、15千克铝溶胶、15千克锆溶胶和14.1千克有机硅树脂)与0.3千克分散助剂十六烷基三甲基溴化铵混合，500r/min机械搅拌至分散剂完全溶解、体系均一，制得分散剂-粘结剂混合体系；
2)防沉降体系的制备：
将步骤1)制得的分散剂-粘结剂混合体系中加入11千克疏水型气相二氧化硅R972与0.3千克消泡剂L-1984，100r/min机械搅拌5min后，600r/min机械搅拌10min使各组分混合均匀，制得防沉降体系；
3)防沉降吸波体系的制备：
将步骤2)制得的防沉降体系中加入9千克溶剂(包括5千克异丙醇和4千克正丁醇)、1.6千克吸波剂(包括1.0千克针状氧化锌晶须、0.5千克薄层石墨、0.05千克氧化镧和0.05千克氧化铈)与0.4千克附着力促进剂KH-550，300r/min机械搅拌10min(过程中溶剂分多次加入)，制得防沉降吸波体系；
4)疏水型防沉降远红外吸波材料的制备：
将步骤3)制得防沉降吸波体系中加入18千克远红外粉剂(包括5千克碳化硅、4千克氧化铝、3千克氧化锌和6千克氧化铁)与0.3千克分散剂十六烷基三甲基溴化铵，机械搅拌至分散均匀，即可得到最终产物—疏水型防沉降远红外吸波材料。
上述中，硅溶胶中有效物的含量为40％；铝溶胶中有效物的含量为40％；锆溶胶中有效物的含量为25％。
实施例3
一种疏水型防沉降远红外吸波材料及其制备方法，该材料各组成为：粘结剂为54.3千克，吸波剂为1.2千克，溶剂为10千克，远红外粉剂为20千克，防沉降剂为13千克，助剂为1.5千克。
制备方法如下：
1)分散剂-粘结剂混合体系的制备：
将54.3千克粘结剂(包括28千克硅溶胶、20千克铝溶胶和6.3千克有机硅树脂)与0.4千克分散助剂十六烷基三甲基溴化铵混合，500r/min机械搅拌至分散剂完全溶解、体系均一，制得分散剂-粘结剂混合体系；
2)防沉降体系的制备：
将步骤1)制得分散剂-粘结剂混合体系中加入13千克疏水型气相二氧化硅R972 与0.3千克消泡剂L-1984，100r/min机械搅拌5min后，600r/min机械搅拌10min使各组分混合均匀，制得防沉降体系；
3)防沉降吸波体系的制备：
将步骤2)制得的防沉降体系中加入10千克溶剂(包括6千克异丙醇、2千克正丁醇和2千克异丁醇)、1.2千克吸波剂(包括0.6千克针状氧化锌晶须、0.5千克薄层石墨和0.1千克氧化镧)与0.4千克附着力促进剂G-407，300r/min机械搅拌10min(过程中溶剂分多次加入)，得到防沉降吸波体系；
4)疏水型、防沉降远红外吸波材料的制备：
将步骤3)制得的防沉降吸波体系加入20千克远红外粉剂(包括4千克碳化硅、4千克氧化铝、4千克氧化锌、4千克氧化镁和4千克氧化铁)与4千克分散剂十六烷基三甲基溴化铵，机械搅拌至分散均匀，即可得到最终产物—疏水型防沉降远红外吸波材料。
上述中，硅溶胶中有效物的含量为30％；铝溶胶中有效物的含量为30％。
实施例4
一种疏水型防沉降远红外吸波材料及其制备方法，该材料各组成为：粘结剂为70.2千克，吸波剂为0.8千克，溶剂为10千克，远红外粉剂为12千克，防沉降剂为6千克，助剂为1.0千克。
制备方法如下：
1)分散剂-粘结剂混合体系的制备：
将70.2千克粘结剂(包括39千克硅溶胶、10千克铝溶胶、9千克锆溶胶和12.2千克有机硅树脂)与0.3千克分散助剂十二烷基硫酸钠混合，500r/min机械搅拌至分散剂完全溶解、体系均一，制得分散剂-粘结剂混合体系；
2)防沉降体系的制备：
将步骤1)制得的分散剂-粘结剂混合体系中加入6千克疏水型气相二氧化硅R974与0.2千克消泡剂L-1984，100r/min机械搅拌5min后，600r/min机械搅拌10min使各组分混合均匀，制得防沉降体系；
3)防沉降吸波体系的制备：
将步骤2)制得的防沉降体系中加入10千克溶剂(包括3千克正丁醇和7千克异丁醇)、0.8千克吸波剂(包括0.6千克薄层石墨、0.1千克氧化镧和0.1千克氧化铈)与0.2千克附着力促进剂G-407，300r/min机械搅拌10min(过程中溶剂分多次加入)，得到防沉降吸波体系；
4)疏水型、防沉降远红外吸波材料的制备：
将步骤3)制得的防沉降吸波体系中加入12千克远红外粉剂(包括3千克氧化锌、3千克氧化镁和6千克氧化铁)与0.3千克分散剂十二烷基硫酸钠，机械搅拌至分散均匀，即可得到最终产物—疏水型防沉降远红外吸波材料。
上述中，硅溶胶中有效物的含量为30％；铝溶胶中有效物的含量为30％；锆溶胶中有效物的含量为20％。
实施例5
一种疏水型防沉降远红外吸波材料及其制备方法，该材料各组成部分为：粘结剂为75.7千克，吸波剂为0.5千克，溶剂为9千克，远红外粉剂为10千克，防沉降剂为4千克，助剂为0.8千克。
制备方法如下：
1)分散剂-粘结剂混合体系的制备：
将75.7千克粘结剂(包括20千克硅溶胶、47千克铝溶胶和8.7千克有机硅树脂)与0.2千克分散助剂十二烷基硫酸钠混合，500r/min机械搅拌至分散剂完全溶解、体系均一，制得分散剂-粘结剂混合体系；
2)防沉降体系的制备：
将步骤1)制得的分散剂-粘结剂混合体系中加入4千克疏水型气相二氧化硅R974与0.2千克消泡剂L-1984，100r/min机械搅拌5min后，600r/min机械搅拌10min使各组分混合均匀，制得防沉降体系；
3)防沉降吸波体系的制备：
将步骤2)制得防沉降体系中加入9千克溶剂(为9千克异丙醇)、0.5千克吸波剂(包括0.2千克针状氧化锌晶须、0.25千克薄层石墨和0.05千克氧化铈)与0.2千克附着力促进剂G-407，300r/min机械搅拌10min(过程中溶剂分多次加入)，得到防沉降吸波体系；
4)疏水型防沉降远红外吸波材料的制备：
将步骤3)制得的防沉降吸波体系中加入10千克远红外粉剂(包括4千克碳化硅、1千克氧化镁，4千克氧化铁和1千克氧化锌)与0.2千克分散剂十二烷基硫酸钠，机械搅拌至分散均匀，即可得到最终产物—疏水型防沉降远红外吸波材料。
上述中，硅溶胶中有效物的含量为30％；铝溶胶中有效物的含量为30％。
实施例6
一种疏水型防沉降远红外吸波材料及其制备方法，该材料各组成部分为：粘结剂为79.7千克，吸波剂为0.5千克，溶剂为5千克，远红外粉剂为10千克，防沉降剂为4千克，助剂为0.8千克。
制备方法如下：
1)分散剂-粘结剂混合体系的制备：
将79.7千克粘结剂(包括35千克硅溶胶、35千克铝溶胶、4.7千克锆溶胶和5千克有机硅树脂)与0.2千克分散助剂十六烷基三甲基溴化铵混合，500r/min机械搅拌至分散剂完全溶解、体系均一，制得分散剂-粘结剂混合体系；
2)防沉降体系的制备：
将步骤1)制得的分散剂-粘结剂混合体系中加入4千克疏水型气相二氧化硅R972与0.2千克消泡剂L-1984，100r/min机械搅拌5min后，600r/min机械搅拌10min使各组分混合均匀，制得防沉降体系；
3)防沉降吸波体系的制备：
将步骤2)制得的防沉降体系中加入5千克溶剂(包括2千克异丙醇和3千克异丁醇)、0.5千克吸波剂(包括0.2千克针状氧化锌晶须、0.25千克薄层石墨和0.05千克氧化铈)与0.2千克附着力促进剂KH-550，300r/min机械搅拌10min(过程中溶剂分多次加入)，得到防沉降吸波体系；
4)疏水型、防沉降远红外吸波材料的制备：
将步骤3)制得防沉降吸波体系中加入10千克远红外粉剂(包括4千克碳化硅、1千克氧化镁，4千克氧化铁和1千克氧化锌)与0.2千克分散剂十六烷基三甲基溴化铵，机械搅拌至分散均匀，即可得到最终产物—疏水型防沉降远红外吸波材料。
上述中，硅溶胶中有效物的含量为30％；铝溶胶中有效物的含量为30％；锆溶胶中有效物的含量为20％。
实施例7
一种疏水型防沉降远红外吸波材料及其制备方法，该材料各组成为：粘结剂为64.3千克，吸波剂为0.5千克，溶剂为9千克，远红外粉剂为10千克，防沉降剂为15千克，助剂为1.2千克。
制备方法如下：
1)分散剂-粘结剂混合体系的制备：
将64.3千克粘结剂(包括22千克硅溶胶、13千克铝溶胶、22千克锆溶胶和7.3千克有机硅树脂)与0.3千克分散助剂十六烷基三甲基溴化铵混合，500r/min机械搅拌至 分散剂完全溶解、体系均一，制得分散剂-粘结剂混合体系；
2)防沉降体系的制备：
将步骤1)制得的混合体系中加入15千克疏水型气相二氧化硅R972与0.3千克消泡剂L-1984，100r/min机械搅拌5min后，600r/min机械搅拌10min使各组分混合均匀，制得防沉降体系；
3)防沉降吸波体系的制备：
将步骤2)制得的混合体系中加入9千克溶剂(包括5千克异丙醇、3千克异丁醇和1千克正丁醇)、0.5千克吸波剂(包括0.2千克针状氧化锌晶须、0.25千克薄层石墨和0.05千克氧化铈)与0.3千克附着力促进剂KH-550，300r/min机械搅拌10min(过程中溶剂分多次加入)，得到防沉降吸波体系；
4)疏水型防沉降远红外吸波材料的制备：
将步骤3)制得的防沉降吸波体系中加入10千克远红外粉剂(4千克碳化硅、1千克氧化镁，4千克氧化铁和1千克氧化锌)与0.3千克分散剂十六烷基三甲基溴化铵，机械搅拌至分散均匀，即可得到最终产物—疏水型防沉降远红外吸波材料。
上述中，硅溶胶中有效物的含量为30％；铝溶胶中有效物的含量为30％；锆溶胶中有效物的含量为20％。
实施例8
一种疏水型、防沉降远红外吸波材料及其制备方法，该材料各组成部分为：粘结剂为79.7千克，吸波剂为0.5千克，溶剂为8千克，远红外粉剂为10千克，防沉降剂为1千克，助剂为0.8千克。
制备方法如下：
1)分散剂-粘结剂混合体系的制备：
将79.7千克粘结剂(包括35千克硅溶胶、30千克铝溶胶、7千克锆溶胶和7.7千克有机硅树脂)与0.2千克分散助剂十六烷基三甲基溴化铵混合，500r/min机械搅拌至分散剂完全溶解、体系均一，制得分散剂-粘结剂混合体系；
2)防沉降体系的制备：
将步骤1)制得的分散剂-粘结剂混合体系中加入1千克疏水型气相二氧化硅R972与0.2千克消泡剂L-1984，100r/min机械搅拌5min后，600r/min机械搅拌10min使各组分混合均匀，制得防沉降体系；
3)防沉降吸波体系的制备：
将步骤2)制得的防沉降体系中加入8千克溶剂(包括5千克异丙醇和3千克异丁 醇)、0.5千克吸波剂(包括0.2千克针状氧化锌晶须、0.25千克薄层石墨和0.05千克氧化铈)与0.2千克附着力促进剂KH-550，300r/min机械搅拌10min(过程中溶剂分多次加入)，得到防沉降吸波体系；
4)疏水型防沉降远红外吸波材料的制备：
将步骤3)制得防沉降吸波体系中加入10千克远红外粉剂(包括4千克碳化硅、1千克氧化镁，4千克氧化铁和1千克氧化锌)与0.2千克分散剂十六烷基三甲基溴化铵，机械搅拌至分散均匀，即可得到最终产物—疏水型防沉降远红外吸波材料。
上述中，硅溶胶中有效物的含量为30％；铝溶胶中有效物的含量为30％；锆溶胶中有效物的含量为20％。
实施例9
一种疏水型防沉降远红外吸波材料及其制备方法，该材料各组成部分为：粘结剂为52千克，吸波剂为2千克，溶剂为9.5千克，远红外粉剂为20千克，防沉降剂为15千克，助剂为1.5千克。
制备方法如下：
1)分散剂-粘结剂混合体系的制备：
将52千克粘结剂(包括45千克硅溶胶和7千克有机硅树脂)与0.4千克分散助剂十二烷基硫酸钠混合，500r/min机械搅拌至分散剂完全溶解、体系均一，制得分散剂-粘结剂混合体系；
2)防沉降体系的制备：
将步骤1)制得的分散剂-粘结剂混合体系中加入15千克疏水型气相二氧化硅R974与0.4千克消泡剂L-1984，100r/min机械搅拌5min后，600r/min机械搅拌10min使各组分混合均匀，制得防沉降体系；
3)防沉降吸波体系的制备：
将步骤2)制得的防沉降体系中加入9.5千克溶剂(即9.5千克正丁醇)、2千克吸波剂(包括1.8千克薄层石墨烯和0.2千克氧化铈)与0.3千克附着力促进剂G-407，300r/min机械搅拌10min(过程中溶剂分多次加入)，制得防沉降吸波体系；
4)疏水型防沉降远红外吸波材料的制备：
将步骤3)制得的防沉降吸波体系中加入20千克远红外粉剂(包括5千克碳化硅、5千克氧化锌、5千克氧化镁和5千克氧化铁)与0.4千克分散剂十二烷基硫酸钠，机械搅拌至分散均匀，即可得到最终产物—疏水型防沉降远红外吸波材料。
上述中，硅溶胶中有效物的含量为30％。
实施例10
在实施例6的基础上，硅溶胶调整为35.3千克，疏水型气相二氧化硅R972调整为3.7千克，其余均与实施例6相同。
对比实施例1
一种疏水型防沉降远红外吸波材料及其制备方法，该材料各组成部分为：粘结剂为85.3千克，吸波剂为0.2千克，溶剂为7千克，远红外粉剂为6千克，防沉降剂为0.3千克，助剂为1.2千克。
制备方法如下：
1)分散剂-粘结剂混合体系的制备：
将85.3千克粘结剂(包括25千克硅溶胶、17千克铝溶胶、31千克锆溶胶和12.3千克有机硅树脂)与0.3千克分散助剂十二烷基硫酸钠混合，500r/min机械搅拌至分散剂完全溶解、体系均一，制得分散剂-粘结剂混合体系；
2)防沉降体系的制备：
将步骤1)制得的分散剂-粘结剂混合体系中加入0.3千克疏水型气相二氧化硅R974与0.3千克消泡剂L-1984，100r/min机械搅拌5min后，600r/min机械搅拌10min使各组分混合均匀，制得防沉降体系；
3)防沉降吸波体系的制备：
将步骤2)制得的防沉降体系中加入7千克溶剂(包括5千克异丙醇和2千克异丁醇)、0.2千克吸波剂(包括0.12千克针状氧化锌晶须、0.06千克薄层石墨、0.01千克氧化镧、0.005千克氧化铈和0.005千克氧化钕)与0.3千克附着力促进剂G-407，300r/min机械搅拌10min(过程中溶剂分多次加入)，制得防沉降吸波体系；
4)疏水型防沉降远红外吸波材料的制备：
将步骤3)制得的防沉降吸波体系中加入6千克远红外粉剂(包括1千克碳化硅、1千克氧化锌、2千克氧化镁和2千克氧化铁)与0.3千克分散剂十二烷基硫酸钠，机械搅拌至分散均匀，即可得到最终产物—疏水型防沉降远红外吸波材料。
上述中，硅溶胶中有效物的含量为30％；铝溶胶中有效物的含量为30％；锆溶胶中有效物的含量为20％。
对比实施例2
一种疏水型防沉降远红外吸波材料及其制备方法，该材料各组成部分为：粘结剂为 83.1千克，吸波剂为0.2千克，溶剂为7千克，远红外粉剂为8千克，防沉降剂为0.5千克，助剂为1.2千克。
制备方法如下：
1)分散剂-粘结剂混合体系的制备：
将83.1千克粘结剂(包括25千克硅溶胶、14千克铝溶胶、31千克锆溶胶和13.1千克有机硅树脂)与0.3千克分散助剂十二烷基硫酸钠混合，500r/min机械搅拌至分散剂完全溶解、体系均一，制得分散剂-粘结剂混合体系；
2)防沉降体系的制备：
将步骤1)制得的分散剂-粘结剂混合体系中加入0.5千克疏水型气相二氧化硅R974与0.3千克消泡剂L-1984，100r/min机械搅拌5min后，600r/min机械搅拌10min使各组分混合均匀，制得防沉降体系；
3)防沉降吸波体系的制备：
将步骤2)制得的防沉降体系中加入7千克溶剂(包括5千克异丙醇和2千克异丁醇)、0.2千克吸波剂(包括0.12千克针状氧化锌晶须、0.06千克薄层石墨、0.01千克氧化镧、0.005千克氧化铈和0.005千克氧化钕)与0.3千克附着力促进剂G-407，300r/min机械搅拌10min(过程中溶剂分多次加入)，制得防沉降吸波体系；
4)疏水型防沉降远红外吸波材料的制备：
将步骤3)制得的防沉降吸波体系中加入8千克远红外粉剂(包括3千克碳化硅、1千克氧化锌、2千克氧化镁和2千克氧化铁)与0.3千克分散剂十二烷基硫酸钠，机械搅拌至分散均匀，即可得到最终产物—疏水型防沉降远红外吸波材料。
上述中，硅溶胶中有效物的含量为30％；铝溶胶中有效物的含量为30％；锆溶胶中有效物的含量为20％。
对比实施例3
一种疏水型防沉降远红外吸波材料及其制备方法，该材料各组成部分为：粘结剂为50千克，吸波剂为2.2千克，溶剂为7千克，远红外粉剂为22千克，防沉降剂为17.6千克，助剂为1.2千克。
制备方法如下：
1)分散剂-粘结剂混合体系的制备：
将50千克粘结剂(包括25千克硅溶胶、14千克铝溶胶、1千克锆溶胶和10千克有机硅树脂)与0.3千克分散助剂十二烷基硫酸钠混合，500r/min机械搅拌至分散剂完全溶解、体系均一，制得分散剂-粘结剂混合体系；
2)防沉降体系的制备：
将步骤1)制得的分散剂-粘结剂混合体系中加入17.6千克疏水型气相二氧化硅R974与0.3千克消泡剂L-1984，100r/min机械搅拌5min后，600r/min机械搅拌10min使各组分混合均匀，制得防沉降体系；
3)防沉降吸波体系的制备：
将步骤2)制得的防沉降体系中加入7千克溶剂(包括5千克异丙醇和2千克异丁醇)、2.2千克吸波剂(包括1.4千克针状氧化锌晶须、0.6千克薄层石墨、0.1千克氧化镧、0.05千克氧化铈和0.05千克氧化钕)与0.3千克附着力促进剂G-407，300r/min机械搅拌10min(过程中溶剂分多次加入)，制得防沉降吸波体系；
4)疏水型防沉降远红外吸波材料的制备：
将步骤3)制得的防沉降吸波体系中加入22千克远红外粉剂(包括13千克碳化硅、5千克氧化锌、2千克氧化镁和2千克氧化铁)与0.3千克分散剂十二烷基硫酸钠，机械搅拌至分散均匀，即可得到最终产物—疏水型防沉降远红外吸波材料。
上述中，硅溶胶中有效物的含量为30％；铝溶胶中有效物的含量为30％；锆溶胶中有效物的含量为20％。
对比实施例4
一种疏水型防沉降远红外吸波材料及其制备方法，该材料各组成部分为：粘结剂为45.3千克，吸波剂为2.5千克，溶剂为7千克，远红外粉剂为24千克，防沉降剂为20千克，助剂为1.2千克。
制备方法如下：
1)分散剂-粘结剂混合体系的制备：
将45.3千克粘结剂(包括25千克硅溶胶、4千克铝溶胶、6千克锆溶胶和10.3千克有机硅树脂)与0.3千克分散助剂十二烷基硫酸钠混合，500r/min机械搅拌至分散剂完全溶解、体系均一，制得分散剂-粘结剂混合体系；
2)防沉降体系的制备：
将步骤1)制得的分散剂-粘结剂混合体系中加入20千克疏水型气相二氧化硅R974与0.3千克消泡剂L-1984，100r/min机械搅拌5min后，600r/min机械搅拌10min使各组分混合均匀，制得防沉降体系；
3)防沉降吸波体系的制备：
将步骤2)制得的防沉降体系中加入7千克溶剂(包括5千克异丙醇和2千克异丁醇)、2.5千克吸波剂(包括1.7千克针状氧化锌晶须、0.6千克薄层石墨、0.1千克氧化 镧、0.05千克氧化铈和0.05千克氧化钕)与0.3千克附着力促进剂G-407，300r/min机械搅拌10min(过程中溶剂分多次加入)，制得防沉降吸波体系；
4)疏水型防沉降远红外吸波材料的制备：
将步骤3)制得的防沉降吸波体系中加入24千克远红外粉剂(包括15千克碳化硅、5千克氧化锌、2千克氧化镁和2千克氧化铁)与0.3千克分散剂十二烷基硫酸钠，机械搅拌至分散均匀，即可得到最终产物—疏水型防沉降远红外吸波材料。
上述中，硅溶胶中有效物的含量为30％；铝溶胶中有效物的含量为30％；锆溶胶中有效物的含量为20％。
分别将各实施例以及各对比实施例制备的疏水型防沉降远红外吸波材料喷涂在烤盘的基材的表面，之后，烘烤，使疏水型防沉降远红外吸波材料形成涂层。并用于下面的检测。
测试数据
1.微波性能强弱采用相同时间(2分钟)、相同材质与尺寸烤盘、相同微波炉100％火力时烤盘最高温度表征。实验结果见表1。
实施例1至实施例9制备的烤盘的涂层的厚度为50μm。
对比实施例1至对比实施例4制备的烤盘的涂层的厚度为50μm。
现有树脂吸波材料厚度2mm。
2.水接触角测试
利用水接触角测试仪分别对各实施例和各对比实施例进行水接触角检测，实验结果见表1。
接触角是指在气、液、固三相交点处所作的气-液界面的切线穿过液体与固-液交界线之间的夹角θ，是润湿程度的量度。若θ<90°，则固体表面是亲水性的，即液体较易润湿固体，其接触角越小，表示亲水性能越好；若θ>90°，则固体表面是疏水性的，即液体不容易润湿固体，容易在表面上移动。
3.涂料沉降与触变性能：将等质量涂料置于相同规格烧杯中，室温放置48h，观察涂料是否有分层情况后，再200r/min机械搅拌，观察涂料是否有剪切变稀性能，无分层且有触变性能为优，无分层但无触变性能为良，有分层即为差。实验结果见表1。
4.烘焙效果：将相同的吐司(大小、形状、制作方法等)，放置在相同的烘焙器具中，分别置于现有技术搪瓷烤箱与本发明实施例1-11的远红外搪瓷烤箱中。现有技术中的烤箱和远红外搪瓷烤箱除了烤盘不同其余参数均相同，设置相同的烘焙时间 (3min)，对吐司进行烘焙，3min后，确定吐司表面的上色均匀性与上色面积。
表1 检测数据
Figure PCTCN2017103716-appb-000001
根据表1中的结果可以看出，与现有的树脂吸波材料烤盘相比，本发明采用粘结剂、吸波剂、远红外粉剂、溶剂、防沉降剂和助剂等各组分混合后，具有涂层薄，且微波性能好、疏水性能好、防沉降性能好以及烘焙效果等优点。实施例1至实施例9的配比范围均在“粘结剂52～80份，吸波剂0.5～2份，远红外粉剂10～20份，溶剂5～10份，防沉降剂1～15份，助剂0.8～1.5份”范围内，与对比实施例相比，通过设置合理的比例范围可以进一步提高微波性能、疏水性能、防沉降性能以及烘焙效果等。对比实施例1和对比实施例2由于添加的远红外粉剂较少，所以烘焙效果不是很理想。对比实施例 3和对比实施例4虽然添加的远红外粉剂较多，但是存在涂层强度不够、附着性能差且成本较高问题。综上所述，“粘结剂35～80份，吸波剂0.5～2份，远红外粉剂10～20份，溶剂5～10份，防沉降剂1～15份，助剂0.8～1.5份”的数值范围比较合适。
实施例10与实施例6的结果相近，具体数据没有列出。
本发明采用疏水型气相二氧化硅配合适量的分散助剂，与其它组分制成吸波涂料，使得此涂料具有优异的防沉降性与均匀性，很好的解决了吸波剂分散不均匀、易沉降，会导致同规格型号的批量产品微波吸波性能差异大，甚至会因吸波剂分散不均匀产生局部过热熔化现象等问题。
本发明摒弃传统烤盘吸波材料大量使用有机树脂的制备方法，解决了现有技术吸波层过厚的缺点。本发明采用具有疏水性能气相二氧化硅配合耐高温粘结剂以及具有优异吸波性能的吸波剂等，制成了只需较薄涂层就可具有良好吸波性能的涂料，厚度由现有技术2mm左右降低到50μm左右，大大降低了吸波材料厚度，解决了使用大量硅胶等树脂材料，导致吸波层过厚问题。
本发明在吸波材料体系中复合添加适量的远红外材料，提高对于食物的穿透性，使食物内部更好的吸收能量，实现食物内部与表层同步烹饪的愿望，全面提升吸波微波附件的烹饪效果。从而解决了现有的涂料不具有远红外性能，食物内部易出现不熟的现象。
本发明制备的吸波材料只需要简单的基材前处理，就可以将其喷涂在工件表面，涂层厚度只有50μm左右，相比较现有传统吸波材料，工艺难度有明显降低，解决了生产工艺复杂，耗时费料等问题。
本发明通过向吸波材料体系中添加疏水型气相二氧化硅，不但可以解决吸波剂容易沉降的在不影响疏水疏油性能与吸波性能的基础上，增加了抗菌功能，使制备的材料具有合适的抗菌性能。从而解决了现有吸波材料技术不具有疏水性能，长时间使用易导致油污的粘附等问题。
除本发明叙述的粘结剂的具体名称以外，其他具有耐高温、疏水疏油特性也可以实现相似的性能粘结剂也在本发明的保护范围内。
除本发明叙述的吸波剂的具体名称以外，其他具有高吸波性能也可以实现相似的性能的吸波剂也在本发明的保护范围内。
除本发明叙述的远红外粉剂外，其他具有良好远红外辐射性能的材料如果也可实现相似的性能，那么也在本发明的保护范围内。
除本发明叙述的疏水型气相二氧化硅型号以外，其他具有疏水型的气相二氧化硅材料如果也可以实现相似的性能，那么也在本发明的保护范围内。
除本发明叙述的助剂以外，其他可以实现分散、消泡、增附着作用的助剂如果也可 以实现相似的性能，那么也在本发明的保护范围内。
本发明制备工艺步骤及搅拌速度的调整，也可以实现类似的性能，也在本发明的保护范围内。
以上所述仅为本发明的较佳实施例，并不用以限制本发明，凡在本发明的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本发明的保护范围之内。

Claims (14)

  1. 一种疏水型防沉降远红外吸波材料，其特征在于，包括以下重量份组分：粘结剂52～80份，吸波剂0.5～2份，远红外粉剂10～20份，溶剂5～10份，防沉降剂1～15份，助剂0.8～1.5份。
  2. 根据权利要求1所述一种疏水型防沉降远红外吸波材料，其特征在于，所述粘结剂为溶胶与有机硅树脂的杂化产物。
  3. 根据权利要求2所述一种疏水型防沉降远红外吸波材料，其特征在于，所述溶胶选自硅溶胶、铝溶胶和锆溶胶中的任一种或任几种的混合。
  4. 根据权利要求3所述一种疏水型防沉降远红外吸波材料，其特征在于，所述硅溶胶中有效物的含量为20％～40％；铝溶胶中有效物的含量为20％～40％；锆溶胶中有效物的含量为15％～25％。
  5. 根据权利要求1所述一种疏水型防沉降远红外吸波材料，其特征在于，所述吸波剂由A组分和B组分组成，所述A选自针状氧化锌晶须或/和薄层石墨；所述B原料选自氧化镧、氧化铈、氧化钕中的一种或几种的混合。
  6. 根据权利要求5所述一种疏水型防沉降远红外吸波材料，其特征在于，氧化镧的参数为粒径小于30nm；氧化铈的参数为粒径小于30nm；氧化钕的参数为粒径小于30nm。
  7. 根据权利要求1-5任一项所述一种疏水型防沉降远红外吸波材料，其特征在于，所述溶剂选自正丁醇、异丁醇、异丙醇中的任一种或任几种混合。
  8. 根据权利要求1-5任一项所述一种疏水型防沉降远红外吸波材料，其特征在于，所述防沉降剂为疏水型气相二氧化硅。
  9. 根据权利要求1-5任一项所述一种疏水型防沉降远红外吸波材料，其特征在于，所述助剂选自分散剂、消泡剂和附着力促进剂的任一种或任几种的混合。
  10. 根据权利要求1-5任一项所述一种疏水型防沉降远红外吸波材料，其特征在于，所述远红外粉剂为碳化硅、氧化铁、氧化镁、氧化锌、氧化铝中的两种以上混合使用。
  11. 一种疏水型防沉降远红外吸波材料的制备方法，其特征在于，包括以下步骤：按权利要求1～10任一项所述的配比将各组分混匀，制得疏水型防沉降远红外吸波材料。
  12. 根据权利要求11所述一种疏水型防沉降远红外吸波材料的制备方法，其特征在于，所述助剂包括分散剂、消泡剂和附着力促进剂；疏水型防沉降远红外吸波材料的制备方法包括以下步骤：
    1)分散剂-粘结剂混合体系的制备：
    将粘结剂与部分分散剂按照配比混合，混匀，制得分散剂-粘结剂混合体系；
    2)防沉降体系的制备：
    将步骤1)制得的混合体系中加入配比量的防沉降剂与消泡剂，混匀，制得防沉降体系；
    3)防沉降吸波体系的制备：
    将步骤2)制得的防沉降体系中加入溶剂、吸波剂与附着力促进剂，其中溶剂分次加入，制得防沉降吸波体系；
    4)疏水型防沉降远红外吸波材料的制备：
    将步骤3)制得防沉降吸波体系中加入远红外粉剂与剩余的分散剂，混匀，制得疏水型防沉降远红外吸波材料。
  13. 一种厨电产品，包括基材和设置在基材表面的涂层，其特征在于，所述涂层由权利要求1～10任一项所述疏水型防沉降远红外吸波材料制成。
  14. 一种厨电产品的制备方法，其特征在于，将权利要求1-10任一项所述疏水型防沉降远红外吸波材料喷涂在厨电产品的基材的表面，之后，固化，使疏水型防沉降远红外吸波材料形成涂层。
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