CN106433247A - Hydrophilic type anti-sedimentation far infrared wave-absorbing material and preparation method thereof - Google Patents

Hydrophilic type anti-sedimentation far infrared wave-absorbing material and preparation method thereof Download PDF

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Publication number
CN106433247A
CN106433247A CN201610867089.0A CN201610867089A CN106433247A CN 106433247 A CN106433247 A CN 106433247A CN 201610867089 A CN201610867089 A CN 201610867089A CN 106433247 A CN106433247 A CN 106433247A
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settling
far infrared
kilograms
absorbing material
preparation
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CN106433247B (en
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赵莉
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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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Priority to PCT/CN2017/103715 priority patent/WO2018059450A1/en
Priority to JP2019516954A priority patent/JP6704516B2/en
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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
    • 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
    • C09D1/02—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances alkali metal silicates
    • 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
    • C09D1/02—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances alkali metal silicates
    • C09D1/04—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances alkali metal silicates with organic additives
    • 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
    • C09D7/40—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
    • C09D7/65—Additives macromolecular
    • 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
    • C09D7/66—Additives characterised by particle size
    • C09D7/67—Particle size smaller than 100 nm

Abstract

The invention relates to a hydrophilic type anti-sedimentation far infrared wave-absorbing material and a preparation method thereof. The hydrophilic type anti-sedimentation far infrared wave-absorbing material comprises the following components in parts by weight: 49 to 83.2 parts of a binding agent, 1 to 20 parts of a wave-absorbing agent, 10 to 20 parts of far infrared powder, 5 to 10 parts of an anti-sedimentation agent and 0.8 to 1.5 parts of an additive. During preparation, the components are mixed according to the ratio. The hydrophilic type anti-sedimentation far infrared wave-absorbing material and the preparation method thereof have the advantages of dispersed uniformity of the wave-absorbing agent, insusceptibility to sedimentation, small difference of microwave absorbing property, thin coating, simple production process, time saving and material saving, high hydrophilic performance, insusceptibility to oil dirt adhesion, easiness in cleaning, capabilities of improving the penetrability to food, enabling the food to absorb energy well and improving the cooking effect, and the like.

Description

A kind of hydrophilic anti-settling far infrared absorbing material and preparation method thereof
Technical field
The invention belongs to technical field of coatings, more particularly, to a kind of hydrophilic anti-settling far infrared absorbing material and its preparation Method.
Background technology
It is known that the wave absorbing agent for microwave industry is mostly the larger ferrite of density, carbide, nitride etc., It is mixed and made into absorbing material with binding agent, solvent etc., the situation of wave absorbing agent sedimentation, serious shadow easily occur after placing a period of time Ring the application of absorbing material, more can affect actual wave-absorbing effect and the temperature rise stability of absorbing material, temperature more likely occurs Spend high situation, occur using safety problem.
Separately, the related microwave utensil made with absorbing material, cooking food easily occur surface overdo and food therein also not Ripe situation occurs, the culinary art effect of impact consumer experience and reality.
What the problems referred to above were very serious have impact on absorbing material in the application of microwave industry it is impossible to meet microwave product class The growing barbecue of consumer, baking require.
Existing microwave industry absorbing material technology mainly high density wave absorbing agent is added in silicone adhesive agent, adds suitable Auxiliary agent of amount etc., after mechanical agitation, wave plate inhaled by the silica gel that vulcanization crosslinking is pressed into 2 millimeter, you can make final suction wave plate, Stick to substrate surface with adhesive by inhaling wave plate again, make microwave and inhale ripple adnexa.But the Microwave roasting plate that the method is made exists Following shortcoming：
1. wave absorbing agent disperses uneven, free settling, can lead to the bulk article microwave absorption difference of same specification model Greatly, in addition can because wave absorbing agent dispersion uneven generation hot-spot melting phenomenon；
2. use the resin materials such as a large amount of silica gel, lead to absorbing material blocked up；
3. there is no far infrared performance, not yet done phenomenon easily in food therein；
4. complex manufacturing, takes and takes material；
5. there is no performance easy to clean, for a long time using the adhesion being easily caused greasy dirt.
At present, the also rarely seen use antiradar coatings class of absorbing material that microwave industry uses, can have anti-settling, far infrared The performance and stable absorbing material of absorbing property even more has no way of looking for.Wave plate inhaled by the thick-layer being only confined in complex process, and not There is performance easy to clean, the demand in future cannot be met completely.Thin layer, convenient, excellent performance antiradar coatings are trends of the times！
Content of the invention
In view of the problems of prior art, the present invention provide a kind of hydrophilic anti-settling far infrared absorbing material and its Preparation method, it is possible to use it is intended to solve the wave absorbing agent dispersion of microwave current product absorbing material on microwave oven class product Uneven, free settling, can lead to the bulk article microwave absorption difference of same specification model big, or even can disperse because of wave absorbing agent Uneven generation hot-spot melting phenomenon；Using resin materials such as a large amount of silica gel, lead to suction ripple layer blocked up；There is no far infrared Performance, easily not yet done phenomenon in food therein；Complex manufacturing, takes and takes material；There is no performance easy to clean, make for a long time Be easily caused greasy dirt adhesion the problems such as.
The technical scheme that the present invention solves above-mentioned technical problem is as follows：
A kind of hydrophilic anti-settling far infrared absorbing material, including following parts by weight of component：49～83.2 parts of binding agent, inhales 1～20 part of ripple agent, 10～20 parts of far infrared powder, 5～10 parts of sagging inhibitor, 0.8～1.5 part of auxiliary agent.
Binding agent：With absorbing material and substrate material (such as baking tray material) to be coated, there is good combination performance Material, and there is the heat resistance that high temperature is not easily decomposed.
Wave absorbing agent：Can disperse in a binder very well, the material of efficient absorption microwave energy under microwave environment.
The invention has the beneficial effects as follows：
The effect of binding agent mainly has：Wave absorbing agent can be made to disperse wherein well, and stick to substrate surface；Have relatively Good heat resistance, meets use requirement under hot environment；There is preferable hydrophilicity.
Wave absorbing agent primarily serve the purpose of absorption microwave energy, and be translated into heat transfer to utensil etc., reach quick Heat absorption and the performance conducted heat.
The far infrared sending that primarily serves the purpose of of far infrared powder has stronger penetration capacity, can be penetrated with deeper Food.
The suspendability primarily serving the purpose of the denseness increasing whole coating system and filler of sagging inhibitor, makes coating have tactile Degeneration, prevents the sedimentation of filler, and can lift the hydrophilicity of material further.
Primarily serving the purpose of of auxiliary agent makes coating each component mix homogeneously, and coating property is excellent.
Sagging inhibitor is mixed by inventor first with binding agent, wave absorbing agent, far infrared powder and auxiliary agent etc., and adopts Take suitable proportioning, wave absorbing agent is uniformly dispersed, free settling, microwave are not inhaled so that prepared hydrophilic anti-settling absorbing material is had Ripple performance difference is little, coating is thin, simple production process, the material-saving that saves time, hydrophilicity is good, not easily lead to greasy dirt adhesion, Yi Qing Clean, improve penetrance for food, make the more preferable energy absorption of food therein, realize food therein and synchronously cook with top layer Hope, General Promotion inhale ripple microwave adnexa culinary art effect the advantages of.
On the basis of technique scheme, the present invention can also do following improvement.
Further, described binding agent is the mixed solution of colloidal sol and silicate solutions.
Beneficial effect using such scheme is：
It is used alone colloidal sol, performance easy to clean is bad, is used alone silicate, coating filming performance is bad with intensity.Logical Cross using cooperatively of colloidal sol and silicate solutions, compared to being used alone colloidal sol or silicate solutions, coating physical property can be reached The all good effect with performance easy to clean.
Further, described colloidal sol one or two mixing in Ludox, Alumina gel.
Beneficial effect using such scheme is：Using one of Ludox, Alumina gel or two kinds, be conducive to further Improve adhesion property, filming performance and the heat resistance of coating.
The parameter area of Ludox：The content of working substance is 20%～40%.The advantage taking above-mentioned parameter scope is：Molten Glue good stability, the easy film forming of coating.
The parameter area of Alumina gel：The content of working substance is 20%～40%.The advantage taking above-mentioned parameter scope is：Molten Glue good stability, the easy film forming of coating.
Working substance in Ludox refers to silicon dioxide, and the working substance in Alumina gel refers to aluminium oxide.
I.e. in Ludox, the mass fraction of silicon dioxide is 20%～40%.In Alumina gel, the mass fraction of aluminium oxide is 20%～40%.
Further, described silicate solutions are selected from one of sodium silicate solution, potassium silicate solution, Lithium metasilicate solution or several The mixing planted.
Beneficial effect using such scheme is：Be conducive to improving further coating using the silicate solutions of mentioned kind The heat resistance that binding ability and raising with base material is not easily decomposed under the high temperature conditions.
Further, in silicate solutions, the mass fraction of silicate is 20%～30%.
Beneficial effect using such scheme is：Silicate and colloidal sol are conducive to using the mass fraction of suitable silicate Cooperation, the film forming performance of paint made is good, and adhesion property is good, and heatproof can meet use requirement.
Further, described wave absorbing agent is selected from one or more of CNT, silicon nitride, Barium metatitanate..
Beneficial effect using such scheme is：There is wave-absorbing effect good, and can mix with other raw materials fully, it is to avoid Performance because of mixing uneven impact material.
The parameter area of CNT can be：CNT particle diameter is less than 10nm.The parameter area of silicon nitride can be： Silicon nitride particle diameter is less than 2 μm.The parameter area of Barium metatitanate. can be：Barium metatitanate. particle diameter is less than 60nm.Take above-mentioned parameter scope Be conducive to improving the performance of prepared material.
Further, described sagging inhibitor includes hydrophilic aerosil and/or gaseous oxidation aluminum.
Beneficial effect using such scheme is：The present invention adopts hydrophilic aerosil, the cooperation of gaseous oxidation aluminum Appropriate dispersing aid, makes antiradar coatings with other components, homogeneous very well can be suspended in coating system, has thickening and thixotroping Property and stable chemical nature so that this coating has excellent anti-settling and uniformity, thus solve wave absorbing agent disperse not Uniformly, free settling, can lead to the bulk article microwave absorption difference of same specification model big, or even can disperse not because of wave absorbing agent The problems such as uniformly produce hot-spot melting phenomenon.
When the gentle phase alumina of hydrophilic aerosil is used in mixed way, anti-settling effect can be more preferably it is preferable that work as The gentle phase alumina of hydrophilic aerosil is with mass ratio (3～6)：1 when being mixed, and anti-settling effect can carry further High.
The parameter area of hydrophilic aerosil：Specific surface area is 200 ± 20m2/g；Favourable using this parameter area In obtaining suitable specific surface area, reach anti-settling performance, and cost is relatively low.
The parameter area of gaseous oxidation aluminum：Specific surface area is 100 ± 20m2/g；Be conducive to obtaining using this parameter area and close Suitable specific surface area, reaches anti-settling performance, and cost is relatively low.
Further, described far infrared powder be selected from carborundum, ferrum oxide, magnesium oxide, zinc oxide, two kinds in aluminium oxide with Upper mixing.
Beneficial effect using such scheme is：Using the far infrared powder of mentioned kind, the far infrared sending has Stronger penetration capacity, can penetrate food with deeper, thus improving Baking Effect.Using two or more mixing, first than in list Solely use, far-infrared effect is more preferable.
Carborundum, ferrum oxide, magnesium oxide, zinc oxide, the parameter area of aluminium oxide are:Particle diameter is less than 50nm；Using above-mentioned Parameter be conducive to improve material performance.
Further, described auxiliary agent is selected from one or more of dispersant, adhesion promoter and defoamer.
Beneficial effect using such scheme is：The Main Function of dispersant improves sagging inhibitor and wave absorbing agent in system Dissolution dispersity energy, make whole coating system homogeneous, stable；Defoamer primarily serves the purpose of reduction surface tension and disappears thus playing The effect of bubble suds；The wetting capacity primarily serving the purpose of raising coating system and base material of adhesion promoter, thus increase painting Material and the adhesion property of base material.
The present invention provides a kind of preparation method of hydrophilic anti-settling far infrared absorbing material, comprises the following steps：According to Said ratio, will be admixed together for each component.
The present invention has no particular restriction for the method for mixing and actual conditions, can select according to specific circumstances Suitable mixing speed, mixing time.
Beneficial effect using such scheme is：
The preparation method of hydrophilic anti-settling far infrared absorbing material of the present invention, has wave absorbing agent and is uniformly dispersed, no Free settling, microwave absorption difference are little, coating is thin, simple production process, the material-saving that saves time, hydrophilicity is good, not easily lead to Greasy dirt adhesion, penetrance that is easy to clean, improve for food make the more preferable energy absorption of food therein, realize food therein with The advantages of hope of top layer synchronization culinary art, General Promotion inhale the culinary art effect of ripple microwave adnexa.
Further, described auxiliary agent includes dispersant, adhesion promoter and defoamer, comprises the following steps：
1) preparation of dispersant-binding agent mixed system：
The binding agent of proportional quantity is mixed according to proportioning with part dispersing aid, mixes, prepared dispersant-binding agent mixing System；
2) preparation of anti-settling system：
By step 1) add the sagging inhibitor of proportional quantity and defoamer in dispersant-binding agent mixed system of being obtained, mix Even, prepared anti-settling system；
3) preparation of anti-settling wave-absorber system：
By step 2) add wave absorbing agent and adhesion promoter in the anti-settling system that is obtained, mix, prepared anti-settling is inhaled Ripple system；
4) preparation of hydrophilic anti-settling far infrared absorbing material：
By step 3) add far infrared powder and remaining dispersant in the anti-settling wave-absorber system that is obtained, mix, parent is obtained Water type anti-settling far infrared absorbing material.
Preferably, step 4) dispersant that adds and step 1) mass ratio of dispersant that adds is (2～3):5.
Beneficial effect using such scheme is：Each component is conducive to quickly to mix using above-mentioned addition sequence, it is to avoid Because mixing inequality causes the performance of prepared material not good.
Further, the proportionate relationship of described dispersant, defoamer and adhesion promoter is：Dispersant and the matter of defoamer Amount ratio is (2～3):1, dispersant is (1.5～2) with the mass ratio of adhesion promoter:1.
Beneficial effect using such scheme is：The compatible mixing very well of each component material can be made further, and make system The coating the obtaining and base material function such as attachment very well.The dispersant of proper ratio, defoamer and adhesion promoter make dispersion, attachment More superior with performances such as froth breakings.
The present invention provides a kind of kitchen appliance product, and including base material and the coating being arranged on substrate surface, described coating is by above-mentioned Hydrophilic anti-settling far infrared absorbing material make.
When specifically used it is also possible to according to specific circumstances, arrange except of the present invention hydrophilic in kitchen appliance product Coating beyond the coating that type anti-settling absorbing material is made.
Hydrophilic anti-settling absorbing material of the present invention can be used for all kitchen appliances with microwave property as principle and produces Product.For example：Can use on the microwave product such as microwave oven and microwave oven, have excellent anti-settling and uniformity, High temperature resistant, excellent absorbing property, excellent hydrophilicity, performance easy to clean, coating are thin, simple production process, antibacterial functions The advantages of good, far-infrared functional is good and improves food cooking effect.
The present invention provides a kind of preparation method of kitchen appliance product, by above-mentioned hydrophilic anti-settling far infrared absorbing material spray It is coated in the surface of the base material of kitchen appliance product, afterwards, solidification, make hydrophobic oleophobic type absorbing material form coating.
Before spraying, coating and base material can be improved further through pretreatment process in the surface of the base material of kitchen appliance product Combination effect.
Beneficial effect using such scheme is：Preparation method of the present invention is simple, has excellent anti-settling , simple production process thin with uniformity, high temperature resistant, excellent absorbing property, excellent hydrophilicity, performance easy to clean, coating, The advantages of antibacterial functions, far-infrared functional are good and improve food cooking effect.
Specific embodiment
Hereinafter the principle and feature of the present invention is described, example is served only for explaining the present invention, is not intended to limit Determine the scope of the present invention.
Each component employed in the present invention, all can be obtained by commercial mode unless otherwise noted or pass through ability The routine techniquess means preparation in domain.
A kind of hydrophilic anti-settling far infrared absorbing material, including following parts by weight of component：49～83.2 parts of binding agent, inhales 1～20 part of ripple agent, 10～20 parts of far infrared powder, 5～10 parts of sagging inhibitor, 0.8～1.5 part of auxiliary agent.
Preferably, the binding agent according to mass percentage, in the hydrophilic anti-settling far infrared absorbing material of the present invention For 49%～83.2%, wave absorbing agent is 1%～20%, and far infrared powder is 10%～20%, and sagging inhibitor is 5%～10%, Auxiliary agent is 0.8%～1.5%.
Described binding agent is the mixed solution of colloidal sol and silicate solutions.Described colloidal sol is one in Ludox, Alumina gel Plant or two kinds of mixing.
Ludox is the colloid solution that silicon dioxide colloid microgranule uniformly diffuses to form in water, also known as silicate solution, point Minor can be expressed as mSiO2·H2O.Can be using electroosmose process, ion exchange, silicon dissolution method, peptisation or dispersion method etc. Prepared by method.Ludox in the embodiment of the present invention can be using sol-gal process preparation.
The chemical molecular formula of Alumina gel is a (Al2O3·nH2O)·bHx·cH2O, wherein:Al2O3·nH2O is hydration oxygen Change aluminum, Hx is peptizer, coefficient:b<a、c、n.Can be using hydrochloric acid method preparation.
The parameter area of Ludox：The content of working substance is 20%～40%.The advantage taking above-mentioned parameter scope is：Molten Glue good stability, the easy film forming of coating.
The parameter area of Alumina gel：The content of working substance is 20%～40%.The advantage taking above-mentioned parameter scope is：Molten Glue good stability, the easy film forming of coating.
Described silicate solutions are selected from the mixed of one or more of sodium silicate solution, potassium silicate solution, Lithium metasilicate solution Close.In silicate solutions, the mass fraction of silicate is 20%～30%, and preferably the mass fraction of silicate is 25%.
Described wave absorbing agent is selected from one or more of CNT, silicon nitride, Barium metatitanate..
In each embodiment, the parameter area of CNT can be：CNT particle diameter is less than 10nm.The parameter of silicon nitride May range from：Silicon nitride particle diameter is less than 2 μm.The parameter area of Barium metatitanate. can be：Barium metatitanate. particle diameter is less than 60nm.Take State parameter area to be conducive to improving the performance of prepared material.
Described sagging inhibitor includes hydrophilic aerosil and/or gaseous oxidation aluminum.Inventor is unexpected under study for action Ground finds, when the gentle phase alumina of hydrophilic aerosil is used in mixed way, anti-settling effect can be more preferably it is preferable that work as The gentle phase alumina of hydrophilic aerosil is with mass ratio (3～6)：1 when being mixed, and anti-settling effect can carry further High.
Hydrophilic aerosil, CAS NO:112945-52-5 molecular formula:SiO2, white fluffy powder shape, tool There are porous, nonpoisonous and tasteless pollution-free, heat-resisting quantity.Vapor phase method can be adopted, also known as pyrolysismethod, dry method or combustion method.It is former Expect for Silicon chloride., oxygen (or air) and hydrogen, reaction under high temperature forms.
Gaseous oxidation aluminum is by aluminum chloride (AlCl3) high-temperature combustion hydrolytic process.Aluminum chloride in this process It is changed into gas phase, then with oxyhydrogen flame combustion product-hydrolysis, generate product gas phase method nanoscale aluminium sesquioxide, its change Learning reaction equation is：2AlCl3+3H2+1.5O2→Al2O3+6HCl.
In each embodiment, the parameter area of hydrophilic aerosil：Specific surface area is 200 ± 20m2/g；Using this Parameter area is conducive to obtaining suitable specific surface area, reaches anti-settling performance, and cost is relatively low.The parameter model of gaseous oxidation aluminum Enclose：Specific surface area is 100 ± 20m2/g；Be conducive to obtaining suitable specific surface area using this parameter area, reach anti-settling Can, and cost is relatively low.
The hydrophilic aerosil A200 adopting in embodiment is purchased from Germany and wins wound Degussa.
Two or more mixing in carborundum, ferrum oxide, magnesium oxide, zinc oxide, aluminium oxide for the described far infrared powder.
In each embodiment, carborundum, ferrum oxide, magnesium oxide, zinc oxide, the parameter area of aluminium oxide are:Particle diameter is less than 50nm；Be conducive to improving the performance of material using above-mentioned parameter.
Described auxiliary agent is selected from one or more of dispersant, adhesion promoter and defoamer.In each embodiment, specifically It is one of BYK-301, SER-AD FA607 for dispersant, BYK-301 can be purchased from German Bi Ke chemical company, SER-AD FA607 can be purchased from Sheng Wo company.Adhesion promoter is DOWCORNING2-6032, can be purchased from Dow Corning Corporation.Froth breaking Agent is one of emulsified silicone oil 284P, high effective antifoaming agent JN-5, and 284P can be purchased from Shanghai Resin Factory, and JN-5 can be purchased from Wujin water quality stabilizer factory of Nanjing Chemical Engineering College.
The present invention provides a kind of preparation method of hydrophilic anti-settling far infrared absorbing material, comprises the following steps：According to Said ratio, will be admixed together for each component.
Further, described auxiliary agent includes dispersant, adhesion promoter and defoamer, comprises the following steps：
1) preparation of dispersant-binding agent mixed system：
The binding agent of proportional quantity is mixed according to proportioning with part dispersing aid, mixes, prepared dispersant-binding agent mixing System；
2) preparation of anti-settling system：
By step 1) add the sagging inhibitor of proportional quantity and defoamer in dispersant-binding agent mixed system of being obtained, mix Even, prepared anti-settling system；
3) preparation of anti-settling wave-absorber system：
By step 2) add wave absorbing agent and adhesion promoter in the anti-settling system that is obtained, mix, prepared anti-settling is inhaled Ripple system；
4) preparation of hydrophilic anti-settling far infrared absorbing material：
By step 3) add far infrared powder and remaining dispersant in the anti-settling wave-absorber system that is obtained, mix, parent is obtained Water type anti-settling far infrared absorbing material.
Further, inventor is found surprisingly that under study for action, the ratio of described dispersant, defoamer and adhesion promoter Relation is：Dispersant is (2～3) with the mass ratio of defoamer:1, the mass ratio of dispersant and adhesion promoter be (1.5～ 2):1.Using aforementioned proportion, the performance of coating can be improved further.
Preferably, step 4) dispersant that adds and step 1) mass ratio of dispersant that adds is (2～3):5.
More specifically operate and be：
1) preparation of dispersant-binding agent mixed system：
The binding agent of proportional quantity is mixed according to proportioning with part dispersing aid, mechanical agitation to dispersant is completely dissolved, System is homogeneous, prepared dispersant-binding agent mixed system；
2) preparation of anti-settling system：
By step 1) add the sagging inhibitor of proportional quantity and defoamer in dispersant-binding agent mixed system of being obtained, adjust Whole suitable mechanical agitation speed is to each component mix homogeneously, prepared anti-settling system；
3) preparation of anti-settling wave-absorber system：
By step 2) add wave absorbing agent and adhesion promoter, mechanical agitation several minutes in the mixed system that is obtained, mix, Prepared anti-settling wave-absorber system；
4) preparation of hydrophilic anti-settling far infrared absorbing material：
By step 3) add far infrared powder and remaining dispersant in the mixed system that is obtained, mechanical agitation is to disperseing all Even, you can to obtain final product -- hydrophilic anti-settling far infrared absorbing material.
The present invention provides a kind of kitchen appliance product, and including base material and the coating being arranged on substrate surface, described coating is by above-mentioned Hydrophilic anti-settling far infrared absorbing material make.
The present invention provides a kind of preparation method of kitchen appliance product, by above-mentioned hydrophilic anti-settling far infrared absorbing material spray It is coated in the surface of the base material of kitchen appliance product, afterwards, solidification, make hydrophobic oleophobic type absorbing material form coating.Solidification can adopt The mode of baking is carried out.
To be introduced below by some specific embodiments.
Embodiment 1
A kind of hydrophilic anti-settling far infrared absorbing material and preparation method thereof, this coating respectively consists of：Binding agent is 64.6 kilograms, wave absorbing agent is 4 kilograms, and far infrared powder is 20 kilograms, and anti-settling agent is 10 kilograms, and auxiliary agent is 1.4 kilograms.
Preparation method is as follows：
1) preparation of dispersant-binding agent mixed system：
By 64.6 kilograms of binding agents (include 15 kilograms of Ludox, 15 kilograms of Alumina gel, 6.6 kilograms of Lithium metasilicate solution, 20,000 Gram sodium silicate solution and 8 kilograms of potassium silicate solutions) mix with 0.5 kilogram of dispersing aid SER-AD FA607,300r/min machinery Stir to dispersant be completely dissolved, system homogeneous, prepared dispersant-binding agent mixed system；
2) preparation of anti-settling system：
By step 1) add in dispersant-binding agent mixed system of being obtained 8 kilograms of hydrophilic aerosil A200, 2 kilograms of gaseous oxidation aluminum and 0.3 kilogram of defoamer high effective antifoaming agent JN-5, after 100r/min mechanical agitation 5min, 500r/min Mechanical agitation 10min makes each component mix homogeneously, prepared anti-settling system；
3) preparation of anti-settling wave-absorber system：
By step 2) add 4 kilograms of wave absorbing agents (to include 1 kilogram of CNT, 1 kilogram of nitridation in the anti-settling system that is obtained Silicon and 2 kilograms of Barium metatitanate .s) and 0.4 kilogram of adhesion promoter DOW CORNING 2-6032,200r/min mechanical agitation 10min, makes each component mix homogeneously, prepared anti-settling wave-absorber system；
4) preparation of hydrophilic anti-settling far infrared absorbing material：
By step 3) add in the anti-settling wave-absorber system that is obtained 20 kilograms of far infrared powders (include 8 kilograms of carborundums, 5 Kilogram ferrum oxide and 7 kilograms of zinc oxide) with 0.2 kilogram of dispersing aid SER-AD FA607,500r/min mechanical agitation 15min, Can get final product -- hydrophilic anti-settling far infrared absorbing material.
In above-mentioned, the content of the working substance in colloidal sol is 30%, and the mass fraction of the silicate in silicate solutions is 25%.
Embodiment 2
A kind of hydrophilic anti-settling far infrared absorbing material and preparation method thereof, this coating respectively consists of：Binding agent is 67.6 kilograms, wave absorbing agent is 6 kilograms, and far infrared powder is 15 kilograms, and anti-settling agent is 10 kilograms, and auxiliary agent is 1.4 kilograms.
Preparation method is as follows：
1) preparation of dispersant-binding agent mixed system：
By 67.6 kilograms of binding agents (include 25 kilograms of Ludox, 10 kilograms of Alumina gel, 5.6 kilograms of Lithium metasilicate solution, 13,000 Gram sodium silicate solution and 14 kilograms of potassium silicate solutions) mix with 0.5 kilogram of dispersion auxiliary agent B YK-301,300r/min mechanical agitation Be completely dissolved to dispersant, system homogeneous, prepared dispersant-binding agent mixed system；
2) preparation of anti-settling system：
By step 1) be obtained mixed system in add 8 kilograms of hydrophilic aerosil A200,2 kilograms of gaseous oxidations Aluminum and 0.3 kilogram of defoamer high effective antifoaming agent JN-5, after 100r/min mechanical agitation 5min, 500r/min mechanical agitation 10min Make each component mix homogeneously, prepared anti-settling system；
3) preparation of anti-settling wave-absorber system：
By step 2) add 6 kilograms of wave absorbing agents (to include 0.6 kilogram of CNT, 2 kilograms of nitrogen in the anti-settling system that is obtained SiClx and 3.4 kilograms of Barium metatitanate .s) and 0.4 kilogram of adhesion promoter DOW CORNING 2-6032,200r/min mechanical agitation 10min, makes each component mixing all, prepared anti-settling wave-absorber system；
4) preparation of hydrophilic anti-settling far infrared absorbing material：
By step 3) add in the anti-settling wave-absorber system that is obtained 15 kilograms of far infrared powders (include 6 kilograms of carborundums, 4 Kilogram zinc oxide, 1 kilogram of magnesium oxide and 4 kilograms of aluminium oxidies) with 0.2 kilogram of dispersion auxiliary agent B YK-301,500r/min mechanical agitation 15min, you can obtain final product -- hydrophilic anti-settling far infrared absorbing material.
In above-mentioned, the content of the working substance in colloidal sol is 20%, and the mass fraction of the silicate in silicate solutions is 20%.
Embodiment 3
A kind of hydrophilic anti-settling far infrared absorbing material and preparation method thereof, this coating respectively consists of：Binding agent is 70.6 kilograms, wave absorbing agent is 8 kilograms, and far infrared powder is 10 kilograms, and anti-settling agent is 10 kilograms, and auxiliary agent is 1.4 kilograms.
Preparation method is as follows：
1) preparation of dispersant-binding agent mixed system：
70.6 kilograms of binding agents (are included 22.6 kilograms of Ludox, 16 kilograms of Lithium metasilicate solution, 16 kilograms of sodium silicate solutions With 16 kilograms of potassium silicate solutions) mix with 0.5 kilogram of dispersion auxiliary agent B YK-301,300r/min mechanical agitation is complete to dispersant Dissolving, system are homogeneous, prepared dispersant-binding agent mixed system；
2) preparation of anti-settling system：
By step 1) be obtained mixed system in add 8 kilograms of hydrophilic aerosil A200,2 kilograms of gaseous oxidations Aluminum and 0.3 kilogram of defoamer emulsified silicone oil 284P, after 100r/min mechanical agitation 5min, 500r/min mechanical agitation 10min makes Each component mix homogeneously, prepared anti-settling system；
3) preparation of anti-settling wave-absorber system：
By step 2) add 8 kilograms of wave absorbing agents (to include 0.2 kilogram of CNT, 3 kilograms of nitrogen in the anti-settling system that is obtained SiClx and 4.8 kilograms of Barium metatitanate .s) and 0.4 kilogram of adhesion promoter DOW CORNING 2-6032,200r/min mechanical agitation 10min, makes each component mixing all, prepared anti-settling wave-absorber system；
4) preparation of hydrophilic anti-settling far infrared absorbing material：
By step 3) add in the anti-settling wave-absorber system that is obtained 10 kilograms of far infrared powders (include 3 kilograms of carborundums, 2 Kilogram magnesium oxide, 3 kilograms of ferrum oxides and 2 kilograms of aluminium oxidies) with 0.2 kilogram of dispersion auxiliary agent B YK-301,500r/min mechanical agitation 15min, you can obtain final product -- hydrophilic anti-settling far infrared absorbing material.
In above-mentioned, the content of the working substance in colloidal sol is 40%, and the mass fraction of the silicate in silicate solutions is 30%.
Embodiment 4
A kind of hydrophilic anti-settling far infrared absorbing material and preparation method thereof, this coating respectively consists of：Binding agent is 63.5 kilograms, wave absorbing agent is 10 kilograms, and far infrared powder is 15 kilograms, and anti-settling agent is 10 kilograms, and auxiliary agent is 1.5 kilograms.
Preparation method is as follows：
1) preparation of dispersant-binding agent mixed system：
63.5 kilograms of binding agents (are included 31.5 kilograms of Ludox, 3 kilograms of Alumina gel, 22 kilograms of Lithium metasilicate solution and 7,000 Gram potassium silicate solution) mix with 0.5 kilogram of dispersing aid SER-AD FA607,300r/min mechanical agitation is completely molten to dispersant Solution, system are homogeneous, prepared dispersant-binding agent mixed system；
2) preparation of anti-settling system：
By step 1) add in dispersant-binding agent mixed system of being obtained 8 kilograms of hydrophilic aerosil A200, 2 kilograms of gaseous oxidation aluminum and 0.3 kilogram of defoamer emulsified silicone oil 284P, after 100r/min mechanical agitation 5min, 500r/min machine Tool stirring 10min makes each component mix homogeneously, prepared anti-settling system；
3) preparation of anti-settling wave-absorber system：
By step 2) add 10 kilograms of wave absorbing agents (to include 5 kilograms of silicon nitrides and 5 kilograms of metatitanic acids in the mixed system that is obtained Barium) and 0.4 kilogram of adhesion promoter DOW CORNING 2-6032,200r/min mechanical agitation 10min, make each component mixing All, prepared anti-settling wave-absorber system；
4) preparation of hydrophilic anti-settling far infrared absorbing material：
By step 3) add in the anti-settling wave-absorber system that is obtained 15 kilograms of far infrared powders (include 6 kilograms of carborundums, 4 Kilogram zinc oxide, 1 kilogram of magnesium oxide and 4 kilograms of aluminium oxidies) with 0.3 kilogram of dispersing aid SER-AD FA607,500r/min machine Tool stirs 15min, you can obtain final product -- hydrophilic anti-settling far infrared absorbing material.
In above-mentioned, the content of the working substance in colloidal sol is 30%, and the mass fraction of the silicate in silicate solutions is 25%.
Embodiment 5
A kind of hydrophilic anti-settling far infrared absorbing material and preparation method thereof, this coating respectively consists of：Binding agent is 63.5 kilograms, wave absorbing agent is 16 kilograms, and far infrared powder is 12 kilograms, and anti-settling agent is 7 kilograms, and auxiliary agent is 1.5 kilograms.
Preparation method is as follows：
1) preparation of dispersant-binding agent mixed system：
63.5 kilograms of binding agents (are included 9 kilograms of Ludox, 7 kilograms of Alumina gel, 22 kilograms of Lithium metasilicate solution and 25.5 thousand Gram sodium silicate solution) mix with 0.5 kilogram of dispersing aid SER-AD FA607,300r/min mechanical agitation is completely molten to dispersant Solution, system are homogeneous, prepared dispersant-binding agent mixed system；
2) preparation of anti-settling system：
By step 1) add in dispersant-binding agent mixed system of being obtained 6 kilograms of hydrophilic aerosil A200, 1 kilogram of gaseous oxidation aluminum and 0.3 kilogram of defoamer emulsified silicone oil 284P, after 100r/min mechanical agitation 5min, 500r/min machine Tool stirring 10min makes each component mix homogeneously, prepared anti-settling system；
3) preparation of anti-settling wave-absorber system：
By step 2) add 16 kilograms of wave absorbing agents (to include 8 kilograms of silicon nitrides and 8 kilograms of metatitanic acids in the anti-settling system that is obtained Barium) and 0.4 kilogram of adhesion promoter DOWCORNING 2-6032,200r/min mechanical agitation 10min, make each component mixing Uniformly, prepared anti-settling wave-absorber system；
4) preparation of hydrophilic anti-settling far infrared absorbing material：
By step 3) add in the anti-settling wave-absorber system that is obtained 12 kilograms of far infrared powders (include 2 kilograms of zinc oxide, 2 Kilogram magnesium oxide, 2 kilograms of aluminium oxidies and 6 ferrum oxides) with 0.3 kilogram of dispersing aid SER-AD FA607,500r/min machinery stirs Mix 15min, you can obtain final product -- hydrophilic anti-settling far infrared absorbing material.
In above-mentioned, the content of the working substance in colloidal sol is 30%, and the mass fraction of the silicate in silicate solutions is 25%.
Embodiment 6
A kind of hydrophilic anti-settling far infrared absorbing material and preparation method thereof, this coating respectively consists of：Binding agent is 63.5 kilograms, wave absorbing agent is 20 kilograms, and far infrared powder is 10 kilograms, and anti-settling agent is 5 kilograms, and auxiliary agent is 1.5 kilograms.
Preparation method is as follows：
1) preparation of dispersant-binding agent mixed system：
By 63.5 kilograms of binding agents (include 11 kilograms of Ludox, 7 kilograms of Alumina gel, 11.5 kilograms of Lithium metasilicate solution, 30,000 Gram sodium silicate solution and 4 kilograms of potassium silicate solutions) mix with 0.5 kilogram of dispersion auxiliary agent B YK-301,300r/min mechanical agitation is extremely Dispersant is completely dissolved, system is homogeneous, prepared dispersant-binding agent mixed system；
2) preparation of anti-settling system：
By step 1) be obtained mixed system in add 4 kilograms of hydrophilic aerosil A200,1 kilogram of gaseous oxidation Aluminum and 0.3 kilogram of defoamer high effective antifoaming agent JN-5, after 100r/min mechanical agitation 5min, 500r/min mechanical agitation 10min Make each component mix homogeneously, prepared anti-settling system；
3) preparation of anti-settling wave-absorber system：
By step 2) add 20 kilograms of wave absorbing agents (to include 10 kilograms of silicon nitrides and 10 kilograms of titaniums in the anti-settling system that is obtained Sour barium) and 0.4 kilogram of adhesion promoter DOW CORNING 2-6032,200r/min mechanical agitation 10min, so that each component is mixed Close uniformly, prepared anti-settling wave-absorber system；
4) preparation of hydrophilic anti-settling far infrared absorbing material：
By step 3) add in the anti-settling wave-absorber system that is obtained 10 kilograms of far infrared powders (include 3 kilograms of carborundums, 2 Kilogram magnesium oxide, 3 kilograms of ferrum oxides and 2 kilograms of aluminium oxidies) with 0.3 kilogram of dispersion auxiliary agent B YK-301,500r/min mechanical agitation 15min, you can obtain final product -- hydrophilic anti-settling far infrared absorbing material.
In above-mentioned, the content of the working substance in colloidal sol is 30%, and the mass fraction of the silicate in silicate solutions is 25%.
Embodiment 7
A kind of hydrophilic anti-settling far infrared absorbing material and preparation method thereof, this coating respectively consists of：Binding agent is 83.2 kilograms, wave absorbing agent is 1 kilogram, and far infrared powder is 10 kilograms, and anti-settling agent is 5 kilograms, and auxiliary agent is 0.8 kilogram.
Preparation method is as follows：
1) preparation of dispersant-binding agent mixed system：
By 83.2 kilograms of binding agents (include 18 kilograms of Ludox, 12.2 kilograms of Alumina gel, 13 kilograms of Lithium metasilicate solution, 15 Kilogram sodium silicate solution and 25 kilograms of potassium silicate solutions) mix with 0.2 kilogram of dispersion auxiliary agent B YK-301,300r/min machinery stirs Mix to dispersant be completely dissolved, system homogeneous, prepared dispersant-binding agent mixed system；
2) preparation of anti-settling system：
By step 1) add in dispersant-binding agent mixed system of being obtained 4 kilograms of hydrophilic aerosil A200, 1 kilogram of gaseous oxidation aluminum and 0.2 kilogram of defoamer emulsified silicone oil 284P, after 100r/min mechanical agitation 5min, 500r/min machine Tool stirring 10min makes each component mix homogeneously, prepared anti-settling system；
3) preparation of anti-settling wave-absorber system：
By step 2) be obtained anti-settling system in add 1 kilogram of wave absorbing agent (for 1 kilogram of CNT) attached with 0.2 kilogram Adhesion promoter DOW CORNING 2-6032,200r/min mechanical agitation 7min, make each component mix homogeneously, prepared anti-settling Wave-absorber system；
4) preparation of hydrophilic anti-settling far infrared absorbing material：
By step 3) add in the anti-settling wave-absorber system that is obtained 10 kilograms of far infrared powders (include 3 kilograms of carborundums, 2 Kilogram magnesium oxide, 3 kilograms of ferrum oxides and 2 kilograms of aluminium oxidies) with 0.2 kilogram of dispersion auxiliary agent B YK-301,500r/min mechanical agitation 10min, you can obtain final product -- hydrophilic anti-settling far infrared absorbing material.
In above-mentioned, the content of the working substance in colloidal sol is 30%, and the mass fraction of the silicate in silicate solutions is 25%.
Embodiment 8
A kind of hydrophilic anti-settling far infrared absorbing material and preparation method thereof, this coating respectively consists of：Binding agent is 50 Kilogram, wave absorbing agent is 20 kilograms, and far infrared powder is 20 kilograms, and anti-settling agent is 8.5 kilograms, and auxiliary agent is 1.5 kilograms.
Preparation method is as follows：
1) preparation of dispersant-binding agent mixed system：
By 50 kilograms of binding agents (include 10 kilograms of Ludox, 10 kilograms of Alumina gel, 10 kilograms of Lithium metasilicate solution, 10 kilograms Sodium silicate solution and 10 kilograms of potassium silicate solutions) mix with 0.5 kilogram of dispersion auxiliary agent B YK-301,300r/min mechanical agitation is extremely Dispersant is completely dissolved, system is homogeneous, prepared dispersant-binding agent mixed system；
2) preparation of anti-settling system：
By step 1) be obtained dispersant-binding agent mixed system in add 6.5 kilograms of hydrophilic aerosils A200,2 kilograms of gaseous oxidation aluminum and 0.3 kilogram of defoamer high effective antifoaming agent JN-5, after 100r/min mechanical agitation 5min, 500r/min mechanical agitation 10min makes each component mix homogeneously, prepared anti-settling system；
3) preparation of anti-settling wave-absorber system：
By step 2) add 20 kilograms of wave absorbing agents (to include 1 kilogram of CNT, 8 kilograms of nitrogen in the anti-settling system that is obtained SiClx and 11 kilograms of Barium metatitanate .s) and 0.4 kilogram of adhesion promoter DOW CORNING 2-6032,200r/min mechanical agitation 10min, makes each component mix homogeneously, prepared anti-settling wave-absorber system；
4) preparation of hydrophilic anti-settling far infrared absorbing material：
By step 3) add in the anti-settling wave-absorber system that is obtained 20 kilograms of far infrared powders (include 8 kilograms of carborundums, 5 Kilogram ferrum oxide and 7 kilograms of zinc oxide) with 0.3 kilogram of dispersion auxiliary agent B YK-301,500r/min mechanical agitation 15min, you can To final product -- hydrophilic anti-settling far infrared absorbing material.
In above-mentioned, the content of the working substance in colloidal sol is 30%, and the mass fraction of the silicate in silicate solutions is 25%.
Embodiment 9
A kind of hydrophilic anti-settling far infrared absorbing material and preparation method thereof, this coating respectively consists of：Binding agent is 50 Kilogram, wave absorbing agent is 20 kilograms, 20 kilograms of far infrared powder, and anti-settling agent is 8.5 kilograms, and auxiliary agent is 1.5 kilograms.
Preparation method is as follows：
1) preparation of dispersant-binding agent mixed system：
By 50 kilograms of binding agents (include 10 kilograms of Ludox, 10 kilograms of Alumina gel, 10 kilograms of Lithium metasilicate solution, 10 kilograms Sodium silicate solution and 10 kilograms of potassium silicate solutions) mix with 0.5 kilogram of dispersion auxiliary agent B YK-301,300r/min mechanical agitation is extremely Dispersant is completely dissolved, system is homogeneous, prepared dispersant-binding agent mixed system；
2) preparation of anti-settling system：
By step 1) be obtained mixed system in add 6.5 kilograms of hydrophilic aerosil A200,2 kilograms of gas phase oxygen Change aluminum and 0.3 kilogram of defoamer high effective antifoaming agent JN-5, after 100r/min mechanical agitation 5min, 500r/min mechanical agitation 10min makes each component mix homogeneously, prepared anti-settling system；
3) preparation of anti-settling wave-absorber system：
By step 2) add 20 kilograms of wave absorbing agent silicon nitrides and 0.4 kilogram of adhesion promoter in the anti-settling system that is obtained DOW CORNING 2-6032,200r/min mechanical agitation 10min, make each component mix homogeneously, prepared anti-settling wave-absorber system；
4) preparation of hydrophilic anti-settling far infrared absorbing material：
By step 3) add in the anti-settling wave-absorber system that is obtained 20 kilograms of far infrared powders (include 8 kilograms of carborundums, 5 Kilogram ferrum oxide and 7 kilograms of zinc oxide) with 0.3 kilogram of dispersion auxiliary agent B YK-301,500r/min mechanical agitation 15min, you can To final product -- hydrophilic anti-settling far infrared absorbing material.
In above-mentioned, the content of the working substance in colloidal sol is 30%, and the mass fraction of the silicate in silicate solutions is 25%.
Embodiment 10
A kind of hydrophilic anti-settling far infrared absorbing material and preparation method thereof, this coating respectively consists of：Binding agent is 50 Kilogram, wave absorbing agent is 20 kilograms, 20 kilograms of far infrared powder, and anti-settling agent is 8.5 kilograms, and auxiliary agent is 1.5 kilograms.
Preparation method is as follows：
1) preparation of dispersant-binding agent mixed system：
By 50 kilograms of binding agents (include 10 kilograms of Ludox, 10 kilograms of Alumina gel, 10 kilograms of Lithium metasilicate solution, 10 kilograms Sodium silicate solution and 10 kilograms of potassium silicate solutions) mix with 0.5 kilogram of dispersion auxiliary agent B YK-301,300r/min mechanical agitation is extremely Dispersant is completely dissolved, system is homogeneous, prepared dispersant-binding agent mixed system；
2) preparation of anti-settling system：
By step 1) be obtained mixed system in add 6.5 kilograms of hydrophilic aerosil A200,2 kilograms of gas phase oxygen Change aluminum and 0.3 kilogram of defoamer high effective antifoaming agent JN-5, after 100r/min mechanical agitation 5min, 500r/min mechanical agitation 10min makes each component mix homogeneously, prepared anti-settling system；
3) preparation of anti-settling wave-absorber system：
By step 2) add 20 kilograms of wave absorbing agent Barium metatitanate .s and 0.4 kilogram of adhesion promoter in the anti-settling system that is obtained DOW CORNING 2-6032,200r/min mechanical agitation 10min, make each component mix homogeneously, prepared anti-settling wave-absorber system；
4) preparation of hydrophilic anti-settling far infrared absorbing material：
By step 3) add in the anti-settling wave-absorber system that is obtained 20 kilograms of far infrared powders (include 8 kilograms of carborundums, 5 Kilogram ferrum oxide and 7 kilograms of zinc oxide) with 0.3 kilogram of dispersion auxiliary agent B YK-301,500r/min mechanical agitation 15min, you can To final product -- hydrophilic anti-settling far infrared absorbing material.
In above-mentioned, the content of the working substance in colloidal sol is 30%, and the mass fraction of the silicate in silicate solutions is 25%.
Embodiment 11
A kind of hydrophilic anti-settling far infrared absorbing material and preparation method thereof, this coating respectively consists of：Binding agent is 70.6 kilograms, wave absorbing agent is 8 kilograms, and far infrared powder is 10 kilograms, and anti-settling agent is 10 kilograms, and auxiliary agent is 1.4 kilograms.
Preparation method is as follows：
1) preparation of dispersant-binding agent mixed system：
70.6 kilograms of binding agents (are included 22.6 kilograms of Ludox, 16 kilograms of Lithium metasilicate solution, 16 kilograms of sodium silicate solutions With 16 kilograms of potassium silicate solutions) mix with 0.5 kilogram of dispersion auxiliary agent B YK-301,300r/min mechanical agitation is complete to dispersant Dissolving, system are homogeneous, prepared dispersant-binding agent mixed system；
2) preparation of anti-settling system：
By step 1) be obtained mixed system in add 8 kilograms of hydrophilic aerosil A200,2 kilograms of gaseous oxidations Aluminum and 0.3 kilogram of defoamer emulsified silicone oil 284P, after 100r/min mechanical agitation 5min, 500r/min mechanical agitation 10min makes Each component mix homogeneously, prepared anti-settling system；
3) preparation of anti-settling wave-absorber system：
By step 2) add 8 kilograms of wave absorbing agents (to include 0.2 kilogram of CNT, 3 kilograms of nitridations in the mixed system that is obtained Silicon and 4.8 kilograms of Barium metatitanate .s) and 0.4 kilogram of adhesion promoter DOW CORNING 2-6032,200r/min mechanical agitation 10min, makes each component mix homogeneously, prepared anti-settling wave-absorber system；
4) preparation of hydrophilic anti-settling far infrared absorbing material：
By step 3) add in the anti-settling wave-absorber system that is obtained 10 kilograms of far infrared powders (3 kilograms of carborundums, 2 kilograms Magnesium oxide, 3 kilograms of ferrum oxides, 2 kilograms of aluminium oxidies) disperse auxiliary agent B YK-301,500r/min mechanical agitation with 0.2 kilogram 15min, you can obtain final product -- hydrophilic anti-settling far infrared absorbing material.
In above-mentioned, the content of the working substance in colloidal sol is 30%, and the mass fraction of the silicate in silicate solutions is 25%.
Embodiment 12
On the basis of embodiment 10, Ludox is adjusted to 9 kilograms, gaseous oxidation aluminum is adjusted to 3 kilograms, remaining all with Embodiment 10 is identical.
Comparative example 1
A kind of hydrophilic anti-settling far infrared absorbing material and preparation method thereof, this coating respectively consists of：Binding agent is 74.6 kilograms, wave absorbing agent is 4 kilograms, and far infrared powder is 5 kilograms, and anti-settling agent is 15 kilograms, and auxiliary agent is 1.4 kilograms.
Preparation method is as follows：
1) preparation of dispersant-binding agent mixed system：
By 74.6 kilograms of binding agents (include 15 kilograms of Ludox, 15 kilograms of Alumina gel, 6.6 kilograms of Lithium metasilicate solution, 20,000 Gram sodium silicate solution and 18 kilograms of potassium silicate solutions) mix with 0.5 kilogram of dispersing aid SER-AD FA607,300r/min machinery Stir to dispersant be completely dissolved, system homogeneous, prepared dispersant-binding agent mixed system；
2) preparation of anti-settling system：
By step 1) be obtained dispersant-binding agent mixed system in add 11 kilograms of hydrophilic aerosils A200,4 kilograms of gaseous oxidation aluminum and 0.3 kilogram of defoamer high effective antifoaming agent JN-5, after 100r/min mechanical agitation 5min, 500r/min mechanical agitation 10min makes each component mix homogeneously, prepared anti-settling system；
3) preparation of anti-settling wave-absorber system：
By step 2) add 4 kilograms of wave absorbing agents (to include 1 kilogram of CNT, 1 kilogram of nitridation in the anti-settling system that is obtained Silicon and 2 kilograms of Barium metatitanate .s) and 0.4 kilogram of adhesion promoter DOW CORNING 2-6032,200r/min mechanical agitation 10min, makes each component mix homogeneously, prepared anti-settling wave-absorber system；
4) preparation of hydrophilic anti-settling far infrared absorbing material：
By step 3) add in the anti-settling wave-absorber system that is obtained 5 kilograms of far infrared powders (include 1 kilogram of carborundum, 2,000 Gram ferrum oxide and 2 kilograms of zinc oxide) with 0.2 kilogram of dispersing aid SER-AD FA607,500r/min mechanical agitation 15min, that is, Can get final product -- hydrophilic anti-settling far infrared absorbing material.
In above-mentioned, the content of the working substance in colloidal sol is 30%, and the mass fraction of the silicate in silicate solutions is 25%.
Comparative example 2
A kind of hydrophilic anti-settling far infrared absorbing material and preparation method thereof, this coating respectively consists of：Binding agent is 74.6 kilograms, wave absorbing agent is 4 kilograms, and far infrared powder is 8 kilograms, and anti-settling agent is 12 kilograms, and auxiliary agent is 1.4 kilograms.
Preparation method is as follows：
1) preparation of dispersant-binding agent mixed system：
By 74.6 kilograms of binding agents (include 15 kilograms of Ludox, 15 kilograms of Alumina gel, 6.6 kilograms of Lithium metasilicate solution, 20,000 Gram sodium silicate solution and 18 kilograms of potassium silicate solutions) mix with 0.5 kilogram of dispersing aid SER-AD FA607,300r/min machinery Stir to dispersant be completely dissolved, system homogeneous, prepared dispersant-binding agent mixed system；
2) preparation of anti-settling system：
By step 1) add in dispersant-binding agent mixed system of being obtained 8 kilograms of hydrophilic aerosil A200, 4 kilograms of gaseous oxidation aluminum and 0.3 kilogram of defoamer high effective antifoaming agent JN-5, after 100r/min mechanical agitation 5min, 500r/min Mechanical agitation 10min makes each component mix homogeneously, prepared anti-settling system；
3) preparation of anti-settling wave-absorber system：
By step 2) add 4 kilograms of wave absorbing agents (to include 1 kilogram of CNT, 1 kilogram of nitridation in the anti-settling system that is obtained Silicon and 2 kilograms of Barium metatitanate .s) and 0.4 kilogram of adhesion promoter DOW CORNING 2-6032,200r/min mechanical agitation 10min, makes each component mix homogeneously, prepared anti-settling wave-absorber system；
4) preparation of hydrophilic anti-settling far infrared absorbing material：
By step 3) add in the anti-settling wave-absorber system that is obtained 5 kilograms of far infrared powders (include 4 kilograms of carborundums, 2,000 Gram ferrum oxide and 2 kilograms of zinc oxide) with 0.2 kilogram of dispersing aid SER-AD FA607,500r/min mechanical agitation 15min, that is, Can get final product -- hydrophilic anti-settling far infrared absorbing material.
In above-mentioned, the content of the working substance in colloidal sol is 30%, and the mass fraction of the silicate in silicate solutions is 25%.
Comparative example 3
A kind of hydrophilic anti-settling far infrared absorbing material and preparation method thereof, this coating respectively consists of：Binding agent is 69.6 kilograms, wave absorbing agent is 4 kilograms, and far infrared powder is 22 kilograms, and anti-settling agent is 3 kilograms, and auxiliary agent is 1.4 kilograms.
Preparation method is as follows：
1) preparation of dispersant-binding agent mixed system：
By 69.6 kilograms of binding agents (include 15 kilograms of Ludox, 15 kilograms of Alumina gel, 6.6 kilograms of Lithium metasilicate solution, 20,000 Gram sodium silicate solution and 13 kilograms of potassium silicate solutions) mix with 0.5 kilogram of dispersing aid SER-AD FA607,300r/min machinery Stir to dispersant be completely dissolved, system homogeneous, prepared dispersant-binding agent mixed system；
2) preparation of anti-settling system：
By step 1) add in dispersant-binding agent mixed system of being obtained 2 kilograms of hydrophilic aerosil A200, 1 kilogram of gaseous oxidation aluminum and 0.3 kilogram of defoamer high effective antifoaming agent JN-5, after 100r/min mechanical agitation 5min, 500r/min Mechanical agitation 10min makes each component mix homogeneously, prepared anti-settling system；
3) preparation of anti-settling wave-absorber system：
By step 2) add 4 kilograms of wave absorbing agents (to include 1 kilogram of CNT, 1 kilogram of nitridation in the anti-settling system that is obtained Silicon and 2 kilograms of Barium metatitanate .s) and 0.4 kilogram of adhesion promoter DOW CORNING 2-6032,200r/min mechanical agitation 10min, makes each component mix homogeneously, prepared anti-settling wave-absorber system；
4) preparation of hydrophilic anti-settling far infrared absorbing material：
By step 3) add in the anti-settling wave-absorber system that is obtained 22 kilograms of far infrared powders (include 8 kilograms of carborundums, 5 Kilogram ferrum oxide and 9 kilograms of zinc oxide) with 0.2 kilogram of dispersing aid SER-AD FA607,500r/min mechanical agitation 15min, Can get final product -- hydrophilic anti-settling far infrared absorbing material.
In above-mentioned, the content of the working substance in colloidal sol is 30%, and the mass fraction of the silicate in silicate solutions is 25%.
Comparative example 4
A kind of hydrophilic anti-settling far infrared absorbing material and preparation method thereof, this coating respectively consists of：Binding agent is 68.6 kilograms, wave absorbing agent is 4 kilograms, and far infrared powder is 24 kilograms, and anti-settling agent is 2 kilograms, and auxiliary agent is 1.4 kilograms.
Preparation method is as follows：
1) preparation of dispersant-binding agent mixed system：
By 68.6 kilograms of binding agents (include 15 kilograms of Ludox, 15 kilograms of Alumina gel, 6.6 kilograms of Lithium metasilicate solution, 20,000 Gram sodium silicate solution and 12 kilograms of potassium silicate solutions) mix with 0.5 kilogram of dispersing aid SER-AD FA607,300r/min machinery Stir to dispersant be completely dissolved, system homogeneous, prepared dispersant-binding agent mixed system；
2) preparation of anti-settling system：
By step 1) add in dispersant-binding agent mixed system of being obtained 1 kilogram of hydrophilic aerosil A200, 1 kilogram of gaseous oxidation aluminum and 0.3 kilogram of defoamer high effective antifoaming agent JN-5, after 100r/min mechanical agitation 5min, 500r/min Mechanical agitation 10min makes each component mix homogeneously, prepared anti-settling system；
3) preparation of anti-settling wave-absorber system：
By step 2) add 4 kilograms of wave absorbing agents (to include 1 kilogram of CNT, 1 kilogram of nitridation in the anti-settling system that is obtained Silicon and 2 kilograms of Barium metatitanate .s) and 0.4 kilogram of adhesion promoter DOW CORNING 2-6032,200r/min mechanical agitation 10min, makes each component mix homogeneously, prepared anti-settling wave-absorber system；
4) preparation of hydrophilic anti-settling far infrared absorbing material：
By step 3) add in the anti-settling wave-absorber system that is obtained 24 kilograms of far infrared powders (include 8 kilograms of carborundums, 5 Kilogram ferrum oxide and 11 kilograms of zinc oxide) with 0.2 kilogram of dispersing aid SER-AD FA607,500r/min mechanical agitation 15min, Can get final product -- hydrophilic anti-settling far infrared absorbing material.
In above-mentioned, the content of the working substance in colloidal sol is 30%, and the mass fraction of the silicate in silicate solutions is 25%.
By the surface of the base material in baking tray for the material spraying of above-mentioned each embodiment and comparative example, afterwards, solidify, make Formation coating.
The thickness of the coating of the baking tray that embodiment 1 is prepared to embodiment 11 is 50 μm.
The thickness of the coating of the baking tray that comparative example 1 prepares to comparative example 4 is 50 μm.
By the above-mentioned baking tray made and existing resin absorbing material baking tray (thickness of resin absorbing material is 2mm) difference Carry out following performance test.
Test data
1. microwave property is strong and weak adopts same time (2 minutes), phase same material and size baking tray, identical microwave oven 100% During firepower, (coating layer thickness of each embodiment and each comparative example is 50 μm to baking tray maximum temperature sign, and ripple material inhaled by existing resin Material thickness 2mm).Experimental result is shown in Table 1.
2. performance easy to clean：Using by soy sauce (light soy sauce)：Mature vinegar：Saccharum Sinensis Roxb.：Edible salt：Edible oil=3:1:1:1:2 ratios Mix homogeneously, takes 50ml to be added drop-wise to testing sample surface, 220 DEG C of baking 20min of baking box.The wet scouring pad of 10N power is used to wipe after cooling Wipe sample surfaces, be excellent with surface no spot.Experimental result is shown in Table 1.
3. water contact angle test
Using water contact angle tester, respectively each embodiment and each comparative example are carried out with water contact angle detection, experiment knot Fruit is shown in Table 1.
Contact angle refers to that the tangent line of the liquid-vapor interface made at gas, liquid, solid three-phase intersection point passes through liquid to hand over solid-liquid Angle theta between boundary line, is measuring of wetness degree.If θ<90 °, then the surface of solids is hydrophilic, and that is, liquid is easier to moistening Solid, its contact angle is less, represents that hydrophilicity is better；If θ>90 °, then the surface of solids is hydrophobic, and that is, liquid is not easy Moistening solid, easily moves from the teeth outwards.
4. coating sedimentation and thixotropic property：Quality coating material will be waited to be placed in same size beaker, room temperature places 48h, observes After whether coating has delamination, then 200r/min mechanical agitation, observe whether coating has shear shinning performance, be no layered and have Thixotropic property be excellent, no layering but no thixotropic property be good, have layering as poor.Experimental result is shown in Table 1.
5. Baking Effect：By identical toast (size, shape, manufacture method etc.), it is placed on identical and bakees in utensil, It is respectively placed in prior art enamel baking box and ward off with the far infrared of the baking tray being respectively provided with each embodiment and each comparative example preparation (prior art enamel baking box compared with far infrared enamel baking box, except baking tray is different outer, remaining all same), setting phase in porcelain baking box The same baking time (3min), toast is bakeed, after 3min, determine upper Color uniformity and the colouring area on toast surface. Experimental result is shown in Table 1.
Table 1 detection data
Can be seen that compared with existing resin absorbing material baking tray according to the result in table 1, the present invention is using bonding After the mixing of each component such as agent, wave absorbing agent, solvent, sagging inhibitor, far infrared powder and auxiliary agent, to have a coating thin simultaneously, and microwave The advantages of performance is good, hydrophilicity is good, anti-settling performance is good, Baking Effect is good and effect easy to clean is good.Embodiment 1 is to enforcement The ratio range of example 11 is all in " 49～83.2 parts of binding agent, 1～20 part of wave absorbing agent, 10～20 parts of far infrared powder, sagging inhibitor 5～10 parts, 0.8～1.5 part of auxiliary agent " in the range of, compared with each comparative example, can be entered by arranging rational proportion One step improves microwave property, hydrophilicity, anti-settling performance, Baking Effect and effect easy to clean etc..Comparative example 1 and right Than embodiment 2 because the far infrared powder of interpolation is less and sagging inhibitor is more, lead to Baking Effect less desirable.Contrast is real Although applying example 3 and the far infrared powder of comparative example 4 interpolation being more, find under study for action, colouring effect is not further Improve, and the coating adhesion property prepared can be led to decline and increased the cost of material.In sum, " binding agent 49 The number of～83.2 parts, 1～20 part of wave absorbing agent, 10～20 parts of far infrared powder, 5～10 parts of sagging inhibitor, 0.8～1.5 part of auxiliary agent " Value scope is proper.
Embodiment 12 is close with the testing result of embodiment 10, and concrete numerical value is simultaneously unlisted.
The present invention adopts one or two mixing and silicate solutions (sodium silicate solution, potassium silicate in Ludox, Alumina gel Solution, Lithium metasilicate solution) it is used in mixed way as binding agent, material can be made to have the material of good combination performance, and there is height The heat resistance that temperature is not easily decomposed；Mixed according to different proportion using one or more of CNT, silicon nitride, Barium metatitanate. Add and be used as absorbing material, Main Function can disperse in a binder in the presence of suitable adjuvants very well, in microwave The material of efficient absorption microwave energy under environment；Adopt in carborundum, ferrum oxide, magnesium oxide, zinc oxide, aluminium oxide two kinds with On be used in mixed way as far infrared powder, Main Function is that the far infrared sending has stronger penetration capacity, can be deeper Layer penetrates food；Using the gentle phase alumina of hydrophilic aerosil as sagging inhibitor, whole coating system can be increased Denseness and filler suspendability, make coating have thixotropy, prevent the sedimentation of filler, and material can be lifted further Hydrophilicity；The each group that can make using auxiliary agent divides material compatible mixing very well, and makes prepared coating and base material attached very well The function such as.
Inventor have selected when Alumina gel is selected from a kind of with silicate as binding agent on the basis of embodiment 1 again, its He is same as Example 1, also can obtain similar result.
The present invention joins proper amount of dispersing aid using hydrophilic aerosil, gaseous oxidation aluminum, with other components Make antiradar coatings so that this coating has excellent anti-settling and uniformity；Solve wave absorbing agent and disperse uneven, Yi Chen Fall, can lead to the bulk article microwave absorption difference of same specification model big, or even can disperse uneven generation because of wave absorbing agent The problem of hot-spot melting phenomenon.
Abandoning tradition baking tray absorbing material of the present invention in a large number using the preparation method of organic resin, using having hydrophilicity Aerosil coordinates high temperature resistant binder with gaseous oxidation aluminum and has wave absorbing agent of excellent absorbing property etc., makes thin Painting can have the coating of good absorbing property, thickness by prior art 2mm about be reduced to 30 μm about, greatly reduce suction Wave material thickness, solves prior art and inhales the blocked up shortcoming of ripple layer；Avoid in prior art using resins such as a large amount of silica gel Material leads to inhale the blocked up problem of ripple layer.
The present invention compound penetrance added appropriate far-infrared material, improve for food in absorbing material system, Make the more preferable energy absorption of food therein, realize the hope that food therein is synchronously cooked with top layer, it is attached that General Promotion inhales ripple microwave The culinary art effect of part；Solve western existing coating and there is no far infrared performance, not yet done problem easily in food therein.
The absorbing material of present invention preparation only needs to simple pretreatment of base material it is possible to be sprayed on surface of the work, Coating layer thickness only has 30 μm about, compares more existing tradition absorbing material, and technology difficulty has obvious reduction；Solve production technology Complexity, the time-consuming problem taking material.
The present invention passes through to add hydrophilic aerosil and gaseous oxidation aluminum in absorbing material system, not only permissible Solve the problems, such as that wave absorbing agent easily settles, the hydrophilicity of material can also be increased, realize quick, the thorough cleaning of greasy dirt.Solution Existing absorbing material technology of having determined does not have hydrophilicity, the long-time problem using the adhesion being easily caused greasy dirt.
In addition to the specific name of the binding agent of present invention narration, other has high temperature resistant, water-wet behavior and can also realize The material of similar performance is also in the scope of the present invention.
Except the present invention narration absorbing material specific name in addition to, other have high absorbing property can also realize similar Performance material also in the scope of the present invention.
In addition to the far infrared powder of present invention narration, other have good far-infrared radiated property and also can achieve similar property The material of energy is also in the scope of the present invention.
In addition to the hydrophilic aerosil of present invention narration and gaseous oxidation aluminium profiles number, other has hydrophilic Aerosil material, gaseous oxidation aluminum can also realize similar performance, then also within the scope of the present invention.
Except the present invention narration auxiliary agent in addition to, other can realize dispersion, froth breaking, increasing adhewsive action auxiliary agent can also be real Existing similar performance, then also within the scope of the present invention.
The adjustment of step of preparation process of the present invention and mixing speed is it is also possible to realize similar performance, also the present invention's In protection domain.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all spirit in the present invention and Within principle, any modification, equivalent substitution and improvement made etc., should be included within the scope of the present invention.

Claims (14)

1. a kind of hydrophilic anti-settling far infrared absorbing material is it is characterised in that include following parts by weight of component：Binding agent 49～ 83.2 parts, 1～20 part of wave absorbing agent, 10～20 parts of far infrared powder, 5～10 parts of sagging inhibitor, 0.8～1.5 part of auxiliary agent.
2. according to claim 1 a kind of hydrophilic anti-settling far infrared absorbing material it is characterised in that described binding agent is Colloidal sol and the mixed solution of silicate solutions.
3. according to claim 2 a kind of hydrophilic anti-settling far infrared absorbing material it is characterised in that described colloidal sol is selected from One or two mixing in Ludox, Alumina gel.
4. according to claim 3 a kind of hydrophilic anti-settling far infrared absorbing material it is characterised in that in described Ludox The content of working substance is 20%～40%；In described Alumina gel, the content of working substance is 20%～40%.
5. according to claim 2 a kind of hydrophilic anti-settling far infrared absorbing material it is characterised in that described silicate is molten Liquid is selected from the mixing of one or more of sodium silicate solution, potassium silicate solution, Lithium metasilicate solution.
6. according to claim 2 a kind of hydrophilic anti-settling far infrared absorbing material it is characterised in that silicate solutions In, the mass fraction of silicate is 20%～30%.
7. according to any one of claim 1～6 a kind of hydrophilic anti-settling far infrared absorbing material it is characterised in that institute State wave absorbing agent and be selected from one or more of CNT, silicon nitride, Barium metatitanate..
8. according to any one of claim 1～6 a kind of hydrophilic anti-settling far infrared absorbing material it is characterised in that institute State sagging inhibitor and include hydrophilic aerosil and/or gaseous oxidation aluminum.
9. according to any one of claim 1～6 a kind of hydrophilic anti-settling far infrared absorbing material it is characterised in that institute State two or more mixing in carborundum, ferrum oxide, magnesium oxide, zinc oxide, aluminium oxide for the far infrared powder.
10. according to any one of claim 1～6 a kind of hydrophilic anti-settling far infrared absorbing material it is characterised in that institute State auxiliary agent and be selected from one or more of dispersant, adhesion promoter and defoamer.
A kind of 11. preparation methoies of hydrophilic anti-settling far infrared absorbing material are it is characterised in that comprise the following steps：According to Proportioning described in any one of claim 1～10, will be admixed together for each component.
12. according to claim 11 a kind of preparation method of hydrophilic anti-settling far infrared absorbing material it is characterised in that Described auxiliary agent includes dispersant, adhesion promoter and defoamer, comprises the following steps：
1) preparation of dispersant-binding agent mixed system：
The binding agent of proportional quantity is mixed according to proportioning with part dispersing aid, mixes, prepared dispersant-binding agent mixture System；
2) preparation of anti-settling system：
By step 1) add the sagging inhibitor of proportional quantity and defoamer in dispersant-binding agent mixed system of being obtained, mix, system Obtain anti-settling system；
3) preparation of anti-settling wave-absorber system：
By step 2) add wave absorbing agent and adhesion promoter in the anti-settling system that is obtained, mix, prepared anti-settling wave-absorber System；
4) preparation of hydrophilic anti-settling far infrared absorbing material：
By step 3) add far infrared powder and remaining dispersant in the anti-settling wave-absorber system that is obtained, mix, prepared hydrophilic Anti-settling far infrared absorbing material.
A kind of 13. kitchen appliance products, including base material and the coating being arranged on substrate surface it is characterised in that described coating is by right The hydrophilic anti-settling far infrared absorbing material described in 1～10 any one is required to make.
A kind of 14. preparation methoies of kitchen appliance product are it is characterised in that prevent the hydrophilic described in any one of claim 1～10 Sedimentation far infrared absorbing material is sprayed on the surface of the base material of kitchen appliance product, afterwards, solidification, make hydrophobic oleophobic type absorbing material shape Become coating.
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Application publication date: 20170222

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Denomination of invention: Hydrophilic type anti-sedimentation far infrared wave-absorbing material and preparation method thereof

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