CN109401619A

CN109401619A - Coating composition and preparation method thereof, coating piece and preparation method thereof, household electrical appliance

Info

Publication number: CN109401619A
Application number: CN201811172186.3A
Authority: CN
Inventors: 赵莉
Original assignee: Midea Group Co Ltd; Guangdong Midea Kitchen Appliances Manufacturing Co Ltd
Current assignee: Midea Group Co Ltd; Guangdong Midea Kitchen Appliances Manufacturing Co Ltd
Priority date: 2018-10-08
Filing date: 2018-10-08
Publication date: 2019-03-01
Anticipated expiration: 2038-10-08
Also published as: CN109401619B

Abstract

The present invention provides the household electrical appliance of a kind of coating composition, the preparation method of the coating composition, the coating piece as obtained by the coating composition, the preparation method and application of the coating piece coating piece.The raw material for preparing of the coating composition includes polysilazane, polysiloxanes and anion agent, the anion agent is selected from least one of Strange ice stone, tourmaline, opal and rare talent's stone or the anion agent is the mixture of at least one of Strange ice stone, tourmaline, opal and rare talent's stone with rare earth oxide and/or rare earth complex salt.Present invention coating as obtained by the coating composition not only has the advantages that hardness is high, adhesion is good, temperature tolerance is good and reaches food touch-safe rank, can also make have the function of antibacterial, deodorization and purification air using the household electrical appliance of the coating.

Description

Coating composition and preparation method thereof, coating piece and preparation method thereof, household electrical appliance

Technical field

The present invention relates to the preparations of field of home appliance technology more particularly to a kind of coating composition, the coating composition Method, the coating piece as obtained by the coating composition, the preparation method and application of the coating piece coating piece household electrical appliance.

Background technique

In micro- roasting field, it usually needs form coating in the surface of kitchen appliance class household electrical appliance, the material of above-mentioned coating is main Are as follows: enamel (enamel can be formed in product surface by enamel technology), organosilicon, Teflon, epoxy powder (can be used and dust Mode the epoxy powder is sprayed at product surface) or silica solution+organic-silicon hybridization coating.However, above-mentioned coating has firmly Spend the disadvantages of low, adhesion is poor, temperature tolerance is poor and there are food touch-safe hidden danger.Moreover, the function of household electrical appliance is more single One, it is difficult to meet demand of the user to the multifunction of household electrical appliance.

Summary of the invention

The main purpose of the present invention is to provide a kind of coating compositions, it is intended to make the painting as obtained by the coating composition Layer not only has the advantages that hardness is high, adhesion is good, temperature tolerance is good and reaches food touch-safe rank, can also make to apply and be somebody's turn to do The household electrical appliance of coating have the function of antibacterial, deodorization and purification air.

In order to solve the above technical problems, the raw material for preparing of coating composition provided by the invention includes polysilazane, poly- silicon Oxygen alkane and anion agent, the anion agent are selected from least one of Strange ice stone, tourmaline, opal and rare talent's stone or institute Stating anion agent is that at least one of Strange ice stone, tourmaline, opal and rare talent's stone and rare earth oxide and/or rare earth are multiple Close the mixture of salt.

Further, it is 6~81% that the polysilazane, which accounts for and prepares the mass percent range of raw material, the polysiloxanes Accounting for and preparing the mass percent range of raw material is 4~79%, and the anion agent, which accounts for, to be prepared the mass percent range of raw material and be 0.01~15%.

Further, the structural formula of the polysilazane are as follows:Wherein, R₁For hydrogen-based, alkane, cycloalkanes Hydrocarbon, olefine, aryl, alkoxy, alkyl siloxy or alkylamino radical, R₂For hydrogen-based, alkane, cycloalkane, olefine, aryl, alkane Oxygroup, alkyl siloxy or alkylamino radical, R₃For hydrogen-based, alkane, cycloalkane, olefine, aryl, alkoxy, alkyl siloxy, Or alkylamino radical.

Further, the R₁And R₂At least one of be hydrogen-based or olefine.

Further, the structural formula of the polysiloxanes are as follows:Wherein, R₄For hydrogen-based, alkane, cycloalkanes Hydrocarbon, olefine, aryl, alkoxy or alkyl siloxy, R₅For hydrogen-based, alkane, cycloalkane, olefine, aryl, alkoxy or Alkyl siloxy.

Further, the raw material for preparing further includes solvent, and the solvent accounts for the mass percent for preparing raw material Range is 10~66%, and the solvent is in alkane solvents, ether solvent, ketones solvent and benzenesulfonamide derivative species solvent It is at least one.

Further, the alkane solvents are selected from n-hexane, normal octane, n-decane, chloroform, methylene chloride, two At least one of vinyl chloride and mineral oil are a variety of；The ether solvent in ether, petroleum ether and butyl oxide extremely Few one kind；The ketones solvent is selected from least one of acetone, methyl ethyl ketone, cyclohexanone and isophorone；The benzene derivative Class solvent is selected from least one of toluene, meta-xylene, paraxylene, ortho-xylene and chlorobenzene.

Further, the raw material for preparing further includes catalyst, and the catalyst accounts for the quality percentage for preparing raw material The range of ratio is 0.01~5%, and the catalyst is amines catalyst and/or metal-based catalysts.

Further, the amines catalyst is selected from one of fatty amine, cycloaliphatic amines, hydramine and aromatic amine or more Kind, the fatty amine is selected from least one of diethylamine, triethylamine and triethylene tetramine；The cycloaliphatic amines are selected from Sanya At least one of ethyldiamine, piperazine, piperidines and morpholine；The hydramine is selected from N, N- dimethylethanolamine, diisopropanol Amine and N, at least one of N- diethyl ethylene diamine；The aromatic amine is selected from aniline, o-phenylenediamine, benzidine and N, N- bis- At least one of methylaniline.

Further, the metal-based catalysts be organotin catalysts and/or palladium class catalyst, it is described organotin catalyzed Agent is selected from least one of dibutyltindilaurylmercaptide cinnamic acid rouge, stannous octoate, stannous methide and triphenyltin；The palladium class is urged Agent is selected from least one of carbon/palladium, palladium chloride, propionic acid palladium salt, acetic acid palladium salt and triphenyl phosphorus palladium.

Further, the raw material for preparing further includes filler, and the filler accounts for the mass percent for preparing raw material Range be 1~50%, the filler be selected from silicon carbide, aluminium oxide, titanium oxide, zinc oxide, magnesia, aluminium hydroxide, white carbon black, At least one of concave convex rod, kaolin, bentonite, glass microsphere and ceramic microsphere.

Further, the raw material for preparing further includes filler, solvent and catalyst, and the filler accounts for the raw material for preparing The range of mass percent is 1~50%, and the range that the solvent accounts for the mass percent for preparing raw material is 10~66%, The range that the catalyst accounts for the mass percent for preparing raw material is 0.01~5%, the polysiloxanes and polysilazane The range for accounting for the mass percent for preparing raw material is 10~80%.

The present invention also provides a kind of preparation methods of coating composition, comprising the following steps:

Polysilazane, polysiloxanes and anion agent be provided, the anion agent be selected from Strange ice stone, tourmaline, opal, And at least one of rare talent's stone or the anion agent are at least one in Strange ice stone, tourmaline, opal and rare talent's stone The mixture of kind and rare earth oxide and/or rare earth complex salt；

Mixing polysilazane and polysiloxanes, polysilazane and polysiloxanes are copolymerized, and it is poly- to generate polysilazane- Silicone copolymers；

Anion agent is added into the polysilazane-polysiloxane copolymer, the coating composition is made.

Further, it after mixing polysilazane and polysiloxanes, is added in Xiang Suoshu polysilazane-polysiloxane copolymer Before anion agent, the preparation method of the coating composition further include: catalyst is added into polysilazane and polysiloxanes Step, wherein the range that the catalyst accounts for the mass percent for preparing raw material is 0.01~5%, and the catalyst is Amines catalyst and/or metal-based catalysts.

Further, after generating polysilazane-polysiloxane copolymer, before the coating composition is made, the coating The preparation method of composition further include: the step of filler is added into polysilazane-polysiloxane copolymer, wherein described to fill out Material account for the mass percent for preparing raw material range be 1~50%, the filler be selected from silicon carbide, aluminium oxide, titanium oxide, In zinc oxide, magnesia, aluminium hydroxide, white carbon black, concave convex rod, kaolin, bentonite, glass microsphere and ceramic microsphere extremely Few one kind.

Further, after generating polysilazane-polysiloxane copolymer, before the coating composition is made, the coating The preparation method of composition further include: the step of solvent is added into polysilazane-polysiloxane copolymer, wherein described molten Agent account for the mass percent for preparing raw material range be 10~66%, the solvent be selected from alkane solvents, ether solvent, At least one of ketones solvent and benzenesulfonamide derivative species solvent.

The present invention also provides a kind of coating pieces comprising substrate and the coating for being formed in the substrate surface, the coating In contain the coating composition.

Further, the range of the thickness of the coating is 1 micron~100 microns.

The present invention also provides a kind of preparation methods of coating piece, comprising the following steps:

Substrate and the coating composition are provided；

By the coating composition in the surface of substrate, coating is formed, the coating piece is made.

The present invention also provides a kind of household electrical appliance, the household electrical appliance include the coating piece.

The raw material for preparing of the coating composition of technical solution of the present invention includes polysilazane, polysiloxanes and anion agent, The anion agent is selected from least one of Strange ice stone, tourmaline, opal and rare talent's stone or the anion agent is surprise The mixture of at least one of ice stone, tourmaline, opal and rare talent's stone with rare earth oxide and/or rare earth complex salt.It is poly- Silazane and polysiloxanes can be copolymerized, and generate polysilazane-polysiloxane copolymer, the poly- silicon oxygen of the polysilazane- Alkyl copolymer has the advantages that hardness is high, adhesion is good and temperature tolerance is good, so that being had by the coating that the coating composition is formed The advantage that hardness is high, adhesion is good and temperature tolerance is good.The anion agent is scattered in polysilazane-polysiloxane copolymer, The anion agent can make the coating formed by the coating composition have negative ion-releasing function.This is applied the coating into household When electric appliance, the household electrical appliance can be made to have the function of antibacterial, deodorization and purification air.Moreover, the polysilazane, polysiloxanes, Polysilazane-polysiloxane copolymer and anion agent are not admitted to poisonous and harmful substance, so that being made by the coating composition Coating also have the advantages that food touch-safe.

Specific embodiment

The following is a clear and complete description of the technical scheme in the embodiments of the invention, it is clear that described embodiment Only a part of the embodiments of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common Technical staff's every other embodiment obtained without creative efforts belongs to the model that the present invention protects It encloses.

It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute is only used in the embodiment of the present invention In explaining relative positional relationship, motion conditions etc. between component each under a certain particular pose, if the particular pose occurs When change, then directionality instruction also correspondingly changes correspondingly.

In addition, the description for being related to " first ", " second " etc. in the present invention is used for description purposes only, and should not be understood as referring to Show or imply its relative importance or implicitly indicates the quantity of indicated technical characteristic." first ", " are defined as a result, Two " feature can explicitly or implicitly include at least one of the features.In addition, the technical solution between each embodiment can It to be combined with each other, but must be based on can be realized by those of ordinary skill in the art, when the combination of technical solution occurs Conflicting or cannot achieve when, will be understood that the combination of this technical solution is not present, also not the present invention claims protection model Within enclosing.

The present invention provides a kind of coating composition.

The raw material for preparing of the coating composition includes polysilazane, polysiloxanes and anion agent, the anion agent Selected from least one of Strange ice stone, tourmaline, opal and rare talent's stone or the anion agent be Strange ice stone, tourmaline, The mixture of at least one of opal and rare talent's stone and rare earth oxide and/or rare earth complex salt.

The Strange ice stone, tourmaline, opal and rare talent's stone may be collectively referred to herein as component A.

The rare-earth oxide or rare earth composite salt may be collectively referred to herein as the substance containing rare earth element.

The range that component A accounts for the mass percent for preparing raw material is 8~9.5%, preferably 8~9%.

The substance containing rare earth element account for the mass percent for preparing raw material range be 0.5~2%, preferably 1~ 2%.

In one embodiment of the invention, the anion agent includes component A and rare-earth oxide.

In another embodiment of the present invention, the anion agent includes component A and rare earth composite salt.

In further embodiment of this invention, the anion agent includes component A, rare-earth oxide and rare earth composite salt.

The rare earth element is lanthanum (La), cerium (Ce), praseodymium (Pr), neodymium (Nd), promethium (Pm), samarium (Sm), europium (Eu), gadolinium (Gd), terbium (Tb), dysprosium (Dy), holmium (Ho), erbium (Er), thulium (Tm), ytterbium (Yb), lutetium (Lu), yttrium (Y) and scandium (Sc).

The rare-earth oxide can be the oxide of above-mentioned rare earth element, such as ceria, cerium sesquioxide, three oxidations Two lanthanums, neodymium oxide etc..

The rare earth complex salt can be the salt of above-mentioned rare earth element, such as lanthanum orthophosphate, cerous phosphate, neodymium phosphate, cerous nitrate, nitric acid Lanthanum, neodymium nitrate etc..

The anion agent can be graininess, and the partial size of the anion agent may be less than 3 microns, it is preferable that micro- less than 2 Rice, more preferably less than 1 micron.

In an embodiment of the present invention, the range of the partial size of the anion agent is 0.2~0.8 micron.It should be understood that The partial size of the anion agent is that 0.2 micron, 0.3 micron, 0.4 micron, 0.5 micron, 0.6 micron, 0.7 micron or 0.8 are micro- Rice.

It should be understood that when setting 0.2~0.8 micron for the particle size range of the anion agent, anion agent can be compared with It is homogeneously dispersed in and prepares in raw material, and make the surface of coating obtained more smooth.

In an alternative embodiment of the invention, the range of the partial size of the anion agent is 0.2~0.5 micron, to obtain more Add smooth coating.

In an embodiment of the present invention, grinder can be used to grind anion agent, to reduce the grain of anion agent Diameter, then treated that anion agent is added in polysilazane-polysiloxane copolymer by ground.

In an alternative embodiment of the invention, it after anion agent being added to polysilazane-polysiloxane copolymer, is applied The head product of layer, can be ground the head product, to reduce the partial size of anion agent in head product, and the group of can avoid It is poly-.

It is 6~81% that the polysilazane, which accounts for and prepares the mass percent range of raw material, and it is former that the polysiloxanes accounts for preparation The mass percent range of material be 4~79%, the anion agent account for prepare raw material mass percent range be 0.01~ 15%.

In an embodiment of the present invention, the polysilazane account for the mass percent for preparing raw material range be 6~ 81%.Preferably, it is 10~70% that the polysilazane, which accounts for the range of the mass percent for preparing raw material, more preferably 15~60%, further preferably 20~50%.

In an embodiment of the present invention, the polysiloxanes account for the mass percent for preparing raw material range be 4~ 79%.Preferably, it is 10~60% that the polysiloxanes, which accounts for the range of the mass percent for preparing raw material, more preferably 15~50%, further preferably 20~40%.

In an embodiment of the present invention, it is 0.01 that the anion agent, which accounts for the range of the mass percent for preparing raw material, ~15%.Preferably, it is 1~15% that the anion agent, which accounts for the range of the mass percent for preparing raw material, more preferably It is 5~10%.

It is 6~81% that the polysilazane of technical solution of the present invention, which accounts for and prepares the mass percent range of raw material, the poly- silicon It is 4~79% that oxygen alkane, which accounts for and prepares the mass percent range of raw material, at this point, polysilazane can be copolymerized with polysiloxanes Generate polysilazane-polysiloxane copolymer of certain content, anion agent, which accounts for, to be prepared the mass percent range of raw material and be 0.01~15%, and be homogeneously dispersed in polysilazane-polysiloxane copolymer, so that the polysilazane-under the content is poly- Silicone copolymers and anion agent can make coating as made from it not only and have that hardness is high, adhesion is good, temperature tolerance is good and food The advantages of product touch-safe, can also make have the function of antibacterial, deodorization and purification air using the household electrical appliance of the coating.

The structural formula of the polysilazane are as follows:Wherein, R₁For hydrogen-based, alkane, cycloalkane, olefine, virtue Base, alkoxy, alkyl siloxy or alkylamino radical, R₂For hydrogen-based, alkane, cycloalkane, olefine, aryl, alkoxy, alkyl silicon Oxygroup or alkylamino radical, R₃For hydrogen-based, alkane, cycloalkane, olefine, aryl, alkoxy, alkyl siloxy or alkylamino radical.

The structural formula of the polysiloxanes are as follows:Wherein, R₄For hydrogen-based, alkane, cycloalkane, olefine, Aryl, alkoxy or alkyl siloxy, R₅For hydrogen-based, alkane, cycloalkane, olefine, aryl, alkoxy or alkyl silicon oxygen Base.

In an embodiment of the present invention, R₁And R₂At least one of the two is hydrogen-based or olefine.

It should be understood that the polysilazane prepared in raw material and polysiloxanes are heat-resisting material.

It should be understood that R₁、R₂And R₃It can be adjusted according to actual needs for identical group or in different groups Section.

It should be understood that R₄And R₅It can be adjusted according to actual needs for identical group or in different groups.

It should be noted that R1, R₂And R₃The group of same or similar function, the present invention couple can also can be realized for other This is with no restrictions；R₄And R₅The group of same or similar function can also can be realized for other, the present invention is without limitation.

In technical solution of the present invention, the polysilazane can be copolymerized with the polysiloxanes, generate the painting The matrix resin of feed composition, so that the coating as obtained by the coating composition has, hardness is high, adhesion is good, temperature tolerance It is good and the advantages of reach food touch-safe rank.

The molecular weight of the polysilazane is 100~1000.

The molecular weight of the polysiloxanes is 100~1300.

In one embodiment of the invention, the molecular weight of the polysilazane is 100,200,300,400,500,600,700, 800,900 or 1000.

In one embodiment of the invention, the molecular weight of the polysilazane is preferably 100~700, more preferably 100~ 300。

In one embodiment of the invention, the molecular weight of the polysiloxanes is 100,200,300,400,500,600,700, 800,900,1000,1100,1200 or 1300.

In one embodiment of the invention, the molecular weight of the polysiloxanes is preferably 200~900, more preferably 200~ 500。

The molecular weight for preparing the polysilazane in raw material of technical solution of the present invention is 100~1000, point of polysiloxanes Son amount is 100~1300, and the polysiloxanes that the polysilazane and molecular weight that molecular weight is 100~1000 are 100~1300 occurs After copolyreaction, polysilazane-polysiloxane copolymer is produced, polysilazane-polysiloxane copolymer painting will be contained After feed composition is formed in matrix formation coating, which has preferable hardness, adhesion, temperature tolerance and reaches food contact The advantages of security level.

The raw material for preparing further includes solvent, the solvent account for the mass percent for preparing raw material range be 10~ 66%, preferably 15~50%, more preferably 20~40%, further preferably 30~35%.

The solvent in alkane solvents, ether solvent, ketones solvent and benzenesulfonamide derivative species solvent at least one Kind.

The alkane solvents can be selected from n-hexane, normal octane, n-decane, chloroform, methylene chloride, dichloroethylene, And at least one of mineral oil.

The ether solvent can be selected from least one of ether, petroleum ether and butyl oxide.

The ketones solvent can be selected from least one of acetone, methyl ethyl ketone, cyclohexanone and isophorone.

The benzenesulfonamide derivative species solvent in toluene, meta-xylene, paraxylene, ortho-xylene and chlorobenzene at least It is a kind of.

It should be noted that other solvents that can dissolve polysiloxanes and polysilazane copolymers also can be used as it is of the invention Solvent, the present invention are without limitation.

Polysilazane-the polysiloxane copolymer dissolves in solvent, so that polysilazane-polysiloxane copolymer can Relatively easily it is formed in the surface of substrate.

The raw material for preparing further includes catalyst, and the range that the catalyst accounts for the mass percent for preparing raw material is 0.01~5%, preferably 0.1~5%, more preferably 1~5%, further preferably 2~3%.

The catalyst is amines catalyst and/or metal-based catalysts.

The amines catalyst can be selected from one of fatty amine, cycloaliphatic amines, hydramine and aromatic amine or a variety of.

The fatty amine can be selected from least one of diethylamine, triethylamine and triethylene tetramine.

The cycloaliphatic amines can be selected from least one of triethylenediamine, piperazine, piperidines and morpholine.

The hydramine can be selected from N, N- dimethylethanolamine, diisopropanolamine (DIPA) and N, in N- diethyl ethylene diamine at least It is a kind of.

The aromatic amine is selected from least one of aniline, o-phenylenediamine, benzidine and n,N-Dimethylaniline.

The metal-based catalysts can be organotin catalysts and/or palladium class catalyst.

The organotin catalysts can be selected from dibutyltindilaurylmercaptide cinnamic acid rouge, stannous octoate, stannous methide and triphenyltin At least one of.

The palladium class catalyst can be selected from carbon/palladium, palladium chloride, propionic acid palladium salt, acetic acid palladium salt and triphenyl phosphorus palladium extremely Few one kind.

It should be noted that catalyst of the invention can be also other catalyst with similar performance, the present invention is to this With no restrictions.

In technical solution of the present invention, the catalyst can accelerate polysilazane and polysiloxanes to be copolymerized, thus Polysilazane-the polysiloxane copolymer is generated in a short time.

The raw material for preparing further includes filler, the filler account for the mass percent for preparing raw material range be 1~ 50%, preferably 5~40%, preferably 10~30%, more preferably 15~25%.

The filler is selected from silicon carbide, aluminium oxide, titanium oxide, zinc oxide, magnesia, aluminium hydroxide, white carbon black (titanium dioxide Silica aerogel), concave convex rod, kaolin, bentonite, at least one of glass microsphere and ceramic microsphere.

The partial size of the filler may be less than 3 microns, it is preferable that less than 2 microns, more preferably less than 1 micron.

In an embodiment of the present invention, the range of the partial size of the filler is 0.2~0.8 micron.It should be understood that described The partial size of filler is 0.2 micron, 0.3 micron, 0.4 micron, 0.5 micron, 0.6 micron, 0.7 micron or 0.8 micron.

It should be understood that filler can relatively evenly divide when setting 0.2~0.8 micron for the particle size range of the filler It dissipates in preparing in raw material, and makes the surface of coating obtained more smooth.

In an alternative embodiment of the invention, the range of the partial size of the filler is 0.2~0.5 micron, more flat to obtain Whole coating.

In an embodiment of the present invention, grinder can be used to grind filler, to reduce the partial size of filler, then will be through Filler after milled processed is added in polysilazane-polysiloxane copolymer.

In an alternative embodiment of the invention, after filler being added to polysilazane-polysiloxane copolymer, coating is obtained Head product can be ground the head product, to reduce the partial size of filler in head product.

In an embodiment of the present invention, it is scattered in coating to the uniform filling.

In technical solution of the present invention, the filler is selected from silicon carbide, aluminium oxide, titanium oxide, zinc oxide, magnesia, hydrogen-oxygen Change in aluminium, white carbon black (aerosil), concave convex rod, kaolin, bentonite, glass microsphere and ceramic microsphere at least One kind, to improve hardness, adhesion and temperature tolerance by coating.

It should be noted that other fillers with high temperature resistance also can be used as filler of the invention, the present invention is to this With no restrictions.

The raw material for preparing further includes wave absorbing agent.

The range that the wave absorbing agent accounts for the mass percent for preparing raw material is 0.01~20%.Preferably, the suction The range that wave agent accounts for the mass percent for preparing raw material is 1~20%, more preferably 5~15%, further preferably 5 ~10%.

The wave absorbing agent is selected from silicon carbide, silicon nitride, graphene, zinc oxide, titanium carbide, carbon nanotube, boron nitride and nitrogen Change at least one of titanium.

The wave absorbing agent can be graininess, and the partial size of the wave absorbing agent may be less than 3 microns, it is preferable that less than 2 microns, more Add preferably less than 1 micron.

In an embodiment of the present invention, the range of the partial size of the wave absorbing agent is 0.2~0.8 micron.It should be understood that institute The partial size for stating wave absorbing agent is 0.2 micron, 0.3 micron, 0.4 micron, 0.5 micron, 0.6 micron, 0.7 micron or 0.8 micron.

It should be understood that wave absorbing agent can be more uniform when setting 0.2~0.8 micron for the particle size range of the wave absorbing agent Ground, which is scattered in, to be prepared in raw material, and makes the surface of coating obtained more smooth.

In an alternative embodiment of the invention, the range of the partial size of the wave absorbing agent is 0.2~0.5 micron, to obtain more Smooth coating.

In an embodiment of the present invention, grinder can be used to grind wave absorbing agent, to reduce the partial size of wave absorbing agent, then Treated that wave absorbing agent is added in polysilazane-polysiloxane copolymer by ground.

In an alternative embodiment of the invention, after wave absorbing agent being added to polysilazane-polysiloxane copolymer, coating is obtained Head product, which can be ground, to reduce the partial size of wave absorbing agent in head product.

In an embodiment of the present invention, the wave absorbing agent is homogeneously dispersed in coating.

The raw material for preparing of technical solution of the present invention includes wave absorbing agent, which can be homogeneously dispersed in coating composition In, the absorbing property of the wave absorbing agent is excellent, so that the coating as made from the coating composition can have under relatively thin thickness There is higher wave absorbing efficiency.

It should be noted that other wave absorbing agents with absorbing property also can be used as wave absorbing agent of the invention, the present invention couple This is with no restrictions.

The raw material for preparing further includes far-infrared additive.

The far-infrared additive is selected from boron nitride, titanium nitride, zirconium nitride, manganese dioxide, at least one of zirconium dioxide or institute State far-infrared additive be boron nitride, titanium nitride, zirconium nitride, manganese dioxide, zirconium dioxide at least one and tourmaline mixture.

The range that the far-infrared additive accounts for the mass percent for preparing raw material is 0.01~15%.Preferably, described The range that far-infrared additive accounts for the mass percent for preparing raw material is 1~15%, more preferably 5~15%, further excellent It is selected as 5~10%.

The far-infrared additive can be graininess, and the partial size of the far-infrared additive may be less than 3 microns, it is preferable that micro- less than 2 Rice, more preferably less than 1 micron.

In an embodiment of the present invention, the range of the partial size of the far-infrared additive is 0.2~0.8 micron.It should be understood that The partial size of the far-infrared additive is that 0.2 micron, 0.3 micron, 0.4 micron, 0.5 micron, 0.6 micron, 0.7 micron or 0.8 are micro- Rice.

It should be understood that when setting 0.2~0.8 micron for the particle size range of the far-infrared additive, far-infrared additive can be compared with It is homogeneously dispersed in and prepares in raw material, and make the surface of coating obtained more smooth.

In an alternative embodiment of the invention, the range of the partial size of the far-infrared additive is 0.2~0.5 micron, to obtain more Add smooth coating.

In an embodiment of the present invention, grinder can be used to grind far-infrared additive, to reduce the grain of far-infrared additive Diameter, then treated that far-infrared additive is added in polysilazane-polysiloxane copolymer by ground.

In an alternative embodiment of the invention, it after far-infrared additive being added to polysilazane-polysiloxane copolymer, is applied The head product of layer, can be ground the head product, to reduce the partial size of head product mid and far infrared agent, and reduce reunion.

The raw material for preparing of technical solution of the present invention includes far-infrared additive, which can be homogeneously dispersed in Coating material composition In object, the far-infrared additive, which can make the coating formed by the coating composition also, has far infrared performance.This is applied the coating to When household electrical appliance, the heating efficiency and heat insulation effect of the household electrical appliance can be improved.

It should be noted that other far-infrared additives with far infrared performance also can be used as far-infrared additive of the invention, this It invents without limitation.

In an embodiment of the present invention, the raw material for preparing of the coating composition further includes colorant, which accounts for the system The range of the mass percent of standby raw material is 0.01~5%, preferably 0.1~5%, more preferably 1~5%, further excellent It is selected as 2~3%.

The colorant is selected from white pigment, yellow colorant, orange pigment, black pigment, purple, brown colorant, green At least one of color colorant, blue colorant, grey colorant and red colorant, so that by obtained by the coating composition Coating has colorful appearance.

The white pigment is selected from stibium trioxide (Antimony white), barium sulfate (Barium sulfate), lithopone (Lithopone), at least one of titanium white (Titanium white) and zinc white (Zinc white).

The yellow colorant is nickel titanate antimony (Nickel titanate antimony) and/or titanium chromium palm fibre (Chrome titanium brown)。

The orange pigment is zinc-tin rutile (Rutile Tin Zinc).

The black pigment is black selected from copper-chrome black spinelle (Copper chromite black spinel), titanium (Titanium black), manganese dioxide (MnO₂), Ma Sihei (Mars black), ivory black (Ivory black) and carbon black At least one of (Carbon black).

The purple is cobalt phosphate (Cobalt Phosphate).

The brown colorant is titanium manganese brown (Manganese antimony titanate brown) and/or zinc-iron chromium palm fibre (Chromium iron zinc brown)。

The green pigment is cobalt green (Cobalt green), malachite (Malachite) and glauconite (Green At least one of earth).

The blue colorant is selected from celestine (Ultramarine), cobalt blue (Cobalt blue), Egyptian blue (Egyptian Blue), at least one of the Chinese blue (Han blue), chessy copper (Azurite), yttrium indium manganese blue (YInMn blue).

The grey colorant is copper-chrome black spinelle (Copper chromite black spinel), titanium is black (Titanium black), manganese dioxide (MnO₂), Ma Sihei (Mars black), violet black (Vine black), ivory black At least one of (Ivory black), carbon black (Carbon black) and stibium trioxide (Antimony white), barium sulfate (Barium Sulfate), lithopone (Lithopone), titanium white (Titanium white), in zinc white (Zinc white) Burnt ochre (Burnt sienna), Indian red (India can be also further added in the mixture at least one mixture Red), at least one of cobalt blue (Cobalt blue).

The red colorant is selected from burnt sienna (Burnt Sienna), burnt ochre (Red ochre) and Indian red (India At least one of Red).

It should be understood that colorant can be selected according to actual needs, so that coating shows preferable appearance.

In an embodiment of the present invention, the coating prepare raw material include: polysiloxanes, polysilazane, anion agent, Filler, solvent and catalyst.Wherein, the polysiloxanes and polysilazane account for the mass percent range for preparing raw material It is 10%~80%, it is 0.01~15% that anion agent, which accounts for the mass percent range for preparing raw material, and filler accounts for the system The mass percent range of standby raw material is 1~50%, and it is 10~66% that solvent, which accounts for the mass percent range for preparing raw material, It is 0.01~5% that catalyst, which accounts for the mass percent range for preparing raw material,.

In an embodiment of the present invention, the coating prepare raw material include: polysiloxanes, polysilazane, anion agent, Filler, solvent, far-infrared additive, wave absorbing agent and catalyst.Wherein, the polysiloxanes and polysilazane account for the raw material for preparing Mass percent range be 10%~80%, anion agent account for the mass percent range for preparing raw material be 0.01~ 15%, it is 1~50% that filler, which accounts for the mass percent range for preparing raw material, and solvent accounts for the quality percentage for preparing raw material It is 10~66% than range, it is 0.01~15% that far-infrared additive, which accounts for the mass percent range for preparing raw material, and wave absorbing agent accounts for The mass percent range for preparing raw material is 0.01~20%, and catalyst accounts for the mass percent range for preparing raw material It is 0.01~5%.

In an embodiment of the present invention, the coating prepare raw material include: polysiloxanes, polysilazane, anion agent, Filler, solvent, colorant and catalyst.Wherein, the polysiloxanes and polysilazane account for the mass percent for preparing raw material Range is 10%~80%, and it is 0.01~15% that anion agent, which accounts for the mass percent range for preparing raw material, and filler accounts for institute State prepare raw material mass percent range be 1~50%, solvent account for the mass percent range for preparing raw material be 10~ 66%, it is 0.01~5% that colorant, which accounts for the mass percent range for preparing raw material, and catalyst accounts for the quality for preparing raw material Percentage range is 0.01~5%.

In an embodiment of the present invention, the coating prepare raw material include: polysiloxanes, polysilazane, anion agent, Filler, solvent, far-infrared additive, wave absorbing agent, colorant and catalyst.Wherein, the polysiloxanes and polysilazane account for the preparation The mass percent range of raw material is 10%~80%, and it is 0.01 that anion agent, which accounts for the mass percent range for preparing raw material, ~15%, it is 1~50% that filler, which accounts for the mass percent range for preparing raw material, and solvent accounts for the quality hundred for preparing raw material Dividing than range is 10~66%, and it is 0.01~15% that far-infrared additive, which accounts for the mass percent range for preparing raw material, wave absorbing agent Accounting for the mass percent range for preparing raw material is 0.01~10%, and colorant accounts for the mass percent range for preparing raw material It is 0.01~5%, it is 0.01~5% that catalyst, which accounts for the mass percent range for preparing raw material,.

It should be understood that polysilazane of the invention, polysiloxanes, polysilazane-polysiloxane copolymer, anion Agent, solvent, colorant, far-infrared additive, wave absorbing agent, catalyst and filler are not admitted to poisonous and harmful substance, so that by preparation original The obtained coating of material has the advantages that food touch-safe.

In an embodiment of the present invention, polysiloxanes and polysilazane can be placed in reactor, to polysiloxanes and poly- silicon Azane carries out first time stir process so that polysiloxanes is uniformly mixed with polysilazane, polysiloxanes can be sent out with polysilazane Raw copolyreaction, generates polysiloxanes-polysilazane copolymers.

In the present invention one is implemented, the stirring rate of the first time stir process is 100~800 revs/min, preferably 200~600 revs/min, more preferably 400~500 revs/min.

It should be understood that the time of the copolyreaction can be 10 seconds~50 minutes, can need to adjust according to actual production The time of whole copolyreaction.

It should be understood that the time of the first stir process is consistent with the time of copolyreaction.

In an alternative embodiment of the invention, it after anion agent being added to polysilazane-polysiloxane copolymer, is applied The head product of layer, can be ground the head product, to reduce the partial size of anion agent in head product.

After mixing polysilazane and polysiloxanes, anion agent is added in Xiang Suoshu polysilazane-polysiloxane copolymer Before, the preparation method of the coating composition further include: the step of catalyst is added into polysilazane and polysiloxanes, In, the range that the catalyst accounts for the mass percent for preparing raw material is 0.01~5%, preferably 0.1~5%, more Preferably 1~5%, further preferably 2~3%.

The catalyst is amines catalyst and/or metal-based catalysts.

It should be understood that second of stir process is carried out to it after catalyst is added into polysilazane and polysiloxanes, So that polysilazane, polysiloxanes and catalyst are uniformly mixed.

In an embodiment of the present invention, the stirring rate of second of stir process can be 1000~2000 revs/min, excellent It is selected as 1200~1800 revs/min, more preferably 1500~1600 revs/min.

In an embodiment of the present invention, the time of second of stir process can be 10 seconds~50 minutes, preferably 5~ 15 minutes, more preferably 8~12 minutes.

It should be noted that the time of the stirring rate of second of stir process and second of stir process can also be Other numerical value, the present invention are without limitation.

In the technical solution of the present invention, catalyst can be added into polysilazane and polysiloxanes, to promote polysiloxanes It is copolymerized with polysilazane, generates the required matrix resin of the present invention, i.e. polysiloxanes-polysilazane copolymers.

After generating polysilazane-polysiloxane copolymer, before the coating composition is made, the system of the coating composition Preparation Method further include: the step of solvent, filler, far-infrared additive and wave absorbing agent is added into polysilazane-polysiloxane copolymer Suddenly.

The range that the solvent accounts for the mass percent for preparing raw material is 10~66%, preferably 15~50%, more Add preferably 20~40%, further preferably 30~35%.

The range that the filler accounts for the mass percent for preparing raw material is 1~50%, preferably 5~40%, preferably It is 10~30%, more preferably 15~25%.

The filler is selected from silicon carbide, aluminium oxide, titanium oxide, zinc oxide, magnesia, aluminium hydroxide, white carbon black, bumps At least one of stick, kaolin, bentonite, glass microsphere and ceramic microsphere.

The wave absorbing agent is selected from silicon carbide, silicon nitride, graphene, zinc oxide, titanium carbide, carbon nanotube, boron nitride, nitridation At least one of titanium.

The range that the far-infrared additive accounts for the mass percent for preparing raw material is 0.01~15%.Preferably, described The range that far-infrared additive accounts for the mass percent for preparing raw material is 1~20%, more preferably 5~15%, further excellent It is selected as 5~10%.

In an embodiment of the present invention, into polysilazane-polysiloxane copolymer be added solvent, filler, anion agent, After far-infrared additive and wave absorbing agent, third time stir process can be carried out to it so that polysilazane-polysiloxane copolymer, solvent, Filler, anion agent and wave absorbing agent are uniformly mixed.

It should be understood that solvent first can be added into the polysilazane-polysiloxane copolymer, adds filler, bears Ionic agent, far-infrared additive and wave absorbing agent carry out third time stir process to it.It can also be simultaneously to the poly- silicon oxygen of the polysilazane- Solvent, filler, anion agent, far-infrared additive and wave absorbing agent are added in alkyl copolymer, third time stir process is carried out to it.

The stirring rate of the third time stir process can be 100~3000 revs/min, preferably 500~2000 revs/min Clock, more preferably 1000~1500 revs/min.

In an embodiment of the present invention, the time of the third time stir process can be 2~20 minutes, preferably 5~15 Minute, more preferably 8~12 minutes.

It should be noted that the stirring rate of the third time stir process and the time of third time stir process can also be Other numerical value, the present invention are without limitation.

The partial size of the filler, far-infrared additive and wave absorbing agent may be less than 3 microns, it is preferable that more excellent less than 2 microns It is selected as less than 1 micron.

In an embodiment of the present invention, the range of the partial size of the filler, far-infrared additive and wave absorbing agent is 0.2~0.8 micro- Rice.It should be understood that the partial size of the filler, far-infrared additive and wave absorbing agent is 0.2 micron, 0.3 micron, 0.4 micron, it is 0.5 micro- Rice, 0.6 micron, 0.7 micron or 0.8 micron.

It should be understood that when setting 0.2~0.8 micron for the particle size range of the filler, far-infrared additive and wave absorbing agent, Filler, far-infrared additive and wave absorbing agent can be homogeneously dispersed in coating composition, and make the surface of coating obtained more smooth.

In an embodiment of the present invention, grinder can be used to grind filler, far-infrared additive and wave absorbing agent, to reduce The partial size of filler, far-infrared additive and wave absorbing agent, then treated that filler, far-infrared additive and wave absorbing agent are added to poly- silicon by ground In azane-polysiloxane copolymer.

In another implementation of the present invention, directly the biggish filler of partial size, far-infrared additive and wave absorbing agent can be added to poly- silicon In azane-polysiloxane copolymer, then the coating composition is ground, to reduce filling out in the coating composition The partial size of material, far-infrared additive and wave absorbing agent.

The time of the milled processed can be 0.5~1 hour.Milling time can be adjusted according to actual needs, to obtain Filler, far-infrared additive and the wave absorbing agent of corresponding partial size.

In technical solution of the present invention, the polysilazane-polysiloxane copolymer is dissolved in solvent, so that the coating Composition can relatively easily be coated on the surface of substrate.The filler, far-infrared additive and wave absorbing agent be also dispersible in the solvent and In polysilazane-polysiloxane copolymer, to increase the hardness, adhesion and temperature tolerance of the coating composition, it can also make to answer Have the advantages that wave absorbing efficiency is high, heating efficiency is high, heat insulation effect is good with the household electrical appliance of the coating.

It should be understood that color can also be added together when filler being added into the polysilazane-polysiloxane copolymer Material, so that coating has preferable appearance.

It should also be noted that, in the preparation method of the coating composition, the order of addition and lapping mode of each component It can be adjusted according to actual needs, and above-mentioned mixing speed, mixing time etc. are the representative value in preparation process, it can root It is adjusted according to actual demand.

It should be understood that the coating can be formed by the coating composition in substrate surface.

It should be understood that the thermal weight loss in 500 DEG C of oxygen atmosphere of the coating as obtained by the coating composition is less than 5%, show that the coating has very excellent heat resistance.

Component, proportion of the coating composition etc. please refer to above-described embodiment, since this coating piece is using above-mentioned all Whole technical solutions of embodiment, therefore at least all beneficial effects brought by the technical solution with above-described embodiment, This is no longer repeated one by one.

The range of the thickness of the coating is 1 micron~100 microns, preferably 1~80 micron, more preferably 5~70 Micron, further preferably 10~50 microns.

The thickness of the coating can for 1 micron, 2 microns, 5 microns, 10 microns, 15 microns, 20 microns, 25 microns, it is 30 micro- Rice, 35 microns, 40 microns, 45 microns, 50 microns, 55 microns, 60 microns, 65 microns, 70 microns, 75 microns, 80 microns, it is 85 micro- Rice, 90 microns, 95 microns or 100 microns.

It should be understood that the thickness of the coating can be adjusted according to actual demand.

In technical solution of the present invention, the range of the thickness of the coating can make have the coating when for 1~100 micron Household electrical appliance not only have the function of preferable antibacterial, deodorization and purification air, also have that heating efficiency is high and heat insulating ability is good The advantages of.

Substrate and the coating composition are provided；

It should be understood that can be first ground to coating composition, reunite to reduce, then treated by ground Coating composition is in the surface of substrate.

It should be understood that the coating composition heats matrix when the surface of matrix, should add The temperature of heat treatment is lower than 300 DEG C, and preferably 200 DEG C~280 DEG C, so that the curing of coating composition of matrix surface, formation is applied Layer.The range of the thickness of the coating can be 1~100 micron.

In an embodiment of the present invention, pre-treatment can be carried out to matrix, the pre-treatment can be oil removing, cleaning and drying Deng improving coating in the adhesive force of matrix surface so that matrix surface is clean.

In the inventive solutions, can directly consolidate in the surface of matrix to coating composition coating composition It can be prepared by the coating piece after change, so that the preparation method of coating piece of the invention has the advantages that moulding process is simple.And And the temperature of the curing process is lower than 300 DEG C, the cured technical solution of high temperature compared to the prior art, coating piece of the invention Preparation method also have the advantages that energy consumption it is low.

It should be understood that do not need to carry out the pre-treatments such as sanding to substrate since the coating has preferable adhesion, Reduce the technology difficulty of the preparation method of the coating piece, and compared to the prior art in need to substrate carry out sanding processing Technical solution, the preparation method of coating piece of the invention also has the advantages that environmental protection.

The household electrical appliance can for micro-wave oven, electromagnetic oven, oven, bread producing machine, flour stranding machine, smoke exhaust ventilator, air burst pot, Cake shelves, humidifier, insulating pot, hair dryer, juice extractor, pressure cooker, electric cooker, water heater, computer, electric fan, electricity pan-fried disk, soya-bean milk Machine, air-conditioning, speaker, cooking stove or refrigerator etc..

In an embodiment of the present invention, the coating piece can be the shell of household electrical appliance.Specifically, which can be family The shell or inner casing of electrical appliance.

In a specific embodiment of the invention, when the household electrical appliance are that micro-wave oven, air burst pot or oven etc. add When thermoelectricity device, the coating piece can be inner cavity or the heating dish of micro-wave oven or oven.

The specific structure of the household electrical appliance please refers to above-described embodiment, since this household electrical appliance uses above-mentioned all implementations Whole technical solutions of example, therefore at least all beneficial effects brought by the technical solution with above-described embodiment, herein not It repeats one by one again.

It should be understood that the raw material for preparing of the coating composition is not domestic and international object regulation limitation or be forbidden to use Matter, and in the preparation process of the coating composition and during the coating piece, harmful substance will not be generated, is made Obtain the characteristic that the coating composition, coating, coating piece and electronic device all have safety and environmental protection.

The following are several embodiments of the preparation method of coating piece of the present invention:

Embodiment 1

Offer prepares raw material, by mass percentage, this prepare raw material include: polysilazane 50%, polysiloxanes 40%, And the tourmaline 10% that particle size range is 0.2~0.3 micron, wherein the R of the polysilazane₁For hydrogen-based, R₂For hydrogen-based, R₃For Hydrogen-based, the R of the polysiloxanes₄For hydrogen-based, R₅For olefine；

Polysilazane and polysiloxanes are placed in reactor, polysilazane and poly- silicon oxygen are mixed with 600 revs/min of speed Alkane, polysiloxanes are copolymerized with polysilazane, generate polysiloxanes-polysilazane copolymers；

Tourmaline is added into the copolymer, is stirred with 1000 revs/min of speed, obtains coating composition；

By the coating composition in the surface of substrate, the coating with a thickness of 50 microns is formed, the coating piece is made.

Embodiment 2

Offer prepares raw material, by mass percentage, this prepare raw material include: polysilazane 40%, polysiloxanes 25%, The Strange ice stone 10% that butyl oxide 25% and particle size range are 0.21~0.33 micron, wherein the R of the polysilazane₁For aryl, R₂For hydrogen-based, R₃For alkylamino radical, the R of the polysiloxanes₄For cycloalkane, R₅For alkyl siloxy；

Polysilazane and polysiloxanes are placed in reactor, polysilazane and poly- silicon oxygen are mixed with 200 revs/min of speed Alkane, polysiloxanes are copolymerized with polysilazane, generate polysiloxanes-polysilazane copolymers；

After butyl oxide is added into the copolymer, Strange ice stone is added, is stirred with 1100 revs/min of speed, Obtain coating composition；

By the coating composition in the surface of substrate, the coating with a thickness of 30 microns is formed, the coating piece is made.

Embodiment 3

Offer prepares raw material, by mass percentage, this prepare raw material include: polysilazane 20%, polysiloxanes 20%, Toluene 18%, isophorone 10%, the aluminium hydroxide 10% that particle size range is 2~3 microns, the carbon that particle size range is 2~3 microns SiClx 10%, the opal 10% and stannous methide 2% that particle size range is 2~3 microns, wherein the R of the polysilazane₁For Olefine, R₂For alkylsiloxane, R₃For alkane, the R of the polysiloxanes₄For alkane, R₅For olefine；

Polysilazane and polysiloxanes are placed in reactor, polysilazane and poly- silicon oxygen are mixed with 300 revs/min of speed Alkane is added stannous methide, is stirred with 1000 revs/min of speed, to promote polysiloxanes to be copolymerized with polysilazane Reaction generates polysiloxanes-polysilazane copolymers；

After toluene, isophorone is added into the copolymer, aluminium hydroxide, silicon carbide and opal are added, with 1200 revs/min of speed is stirred, and obtains coating head product；

The head product is ground so that the range of the partial size of aluminium hydroxide, silicon carbide and opal be 0.2~ 0.6 micron, obtain coating composition；

By the coating composition in the surface of substrate, the coating with a thickness of 10 microns is formed, the coating piece is made.

Embodiment 4

Offer prepares raw material, by mass percentage, this prepare raw material include: polysilazane 15%, polysiloxanes 15%, Ortho-xylene 20%, petroleum ether 10%, the aluminium hydroxide 11% that particle size range is 2~3 microns, particle size range are 2~3 microns White carbon black 15%, the rare talent's stone 10% and stannous methide 4% that particle size range is 2~3 microns, wherein the R of the polysilazane₁ For hydrogen-based, R₂For cycloalkane, R₃For hydrogen-based, the R of the polysiloxanes₄For alkylamino radical, R₅For alkoxy；

Polysilazane and polysiloxanes are placed in reactor, polysilazane and poly- silicon oxygen are mixed with 500 revs/min of speed Alkane is added stannous methide, is stirred with 1050 revs/min of speed, to promote polysiloxanes to be copolymerized with polysilazane Reaction generates polysiloxanes-polysilazane copolymers；

After ortho-xylene, petroleum ether is added into the copolymer, aluminium hydroxide, white carbon black and rare talent's stone are added, with 1200 revs/min of speed is stirred, and obtains coating head product；

The head product is ground, so that the range of the partial size of aluminium hydroxide, white carbon black and rare talent's stone is 0.2 ~0.4 micron, obtain coating composition；

By the coating composition in the surface of substrate, the coating with a thickness of 15 microns is formed, the coating piece is made.

Embodiment 5

Offer prepares raw material, by mass percentage, this prepare raw material include: polysilazane 12%, polysiloxanes 11%, N-hexane 17%, acetone 20%, the concave convex rod 4% that particle size range is 2~3 microns, the white carbon black that particle size range is 2~3 microns 4%, particle size range is 2~3 microns magnesia 14%, the tourmaline 9.5% that particle size range is 2~3 microns, particle size range are 2~3 microns of lanthanum sesquioxide 0.5%, the boron nitride 2% that particle size range is 2~3 microns, particle size range are 2~3 microns Graphene 2%, the titanium white 3% and triethylene tetramine 1% that particle size range is 2~3 microns, wherein the R of the polysilazane₁For Alkylamino radical, R₂For alkyl, R₃For aryl, the R of the polysiloxanes₄For alkylsiloxane, R₅For cycloalkane；

Polysilazane and polysiloxanes are placed in reactor, polysilazane and poly- silicon oxygen are mixed with 400 revs/min of speed Alkane is added triethylene tetramine, is stirred with 1250 revs/min of speed, to promote polysiloxanes and polysilazane to occur altogether Poly- reaction, generates polysiloxanes-polysilazane copolymers；

After n-hexane, acetone is added into the copolymer, concave convex rod, white carbon black, magnesia, tourmaline, three are added Two lanthanums, boron nitride, graphene and titanium white are aoxidized, is stirred with 1500 revs/min of speed, coating head product is obtained；

The head product is ground, so that concave convex rod, white carbon black, magnesia, tourmaline, lanthanum sesquioxide, nitrogen The range for changing the partial size of boron, graphene and titanium white is 0.21~0.33 micron, obtains coating composition；

By the coating composition in the surface of substrate, the coating with a thickness of 20 microns is formed, the coating piece is made.

Embodiment 6

Offer prepares raw material, by mass percentage, this prepare raw material include: polysilazane 10%, polysiloxanes 10%, Methyl ethyl ketone 10%, meta-xylene 23%, the aluminium oxide 30% that particle size range is 0.2~0.32 micron, particle size range be 0.21~ 0.32 micron of titanium oxide 3%, the bentonite 3% that particle size range is 0.2~0.36 micron, particle size range are 0.2~0.32 micro- The Strange ice stone 9.5% of rice, the ceria 0.5% that particle size range is 0.2~0.32 micron, triphenyltin 1%, wherein described The R of polysilazane₁For aryl, R₂For aryl, R₃For hydrogen-based, the R of the polysiloxanes₄For olefine, R₅For hydrogen-based；

Polysilazane and polysiloxanes are placed in reactor, polysilazane and poly- silicon oxygen are mixed with 500 revs/min of speed Alkane is added triphenyltin, is stirred with 1750 revs/min of speed, to promote polysiloxanes to be copolymerized with polysilazane Reaction generates polysiloxanes-polysilazane copolymers；

After methyl ethyl ketone, meta-xylene is added into the copolymer, aluminium oxide, titanium oxide, bentonite, Strange ice stone are added And ceria, it is stirred with 1500 revs/min of speed, obtains coating composition；

By the coating composition in the surface of substrate, the coating with a thickness of 35 microns is formed, the coating piece is made.

Embodiment 7

Offer prepares raw material, and by mass percentage, it includes: polysilazane 8%, polysiloxanes 7%, first that this, which prepares raw material, Aluminium oxide 17% that benzene 49%, particle size range are 2~3 microns, the zinc oxide 5% that particle size range is 2~3 microns, particle size range It is 2~3 micro- for 0.2~0.3 micron of ceramic microsphere 3%, the opal 9.5% that particle size range is 2~3 microns, particle size range The lanthanum orthophosphate 0.5% of rice, acetic acid palladium salt 1%, wherein the R of the polysilazane₁For alkane, R₂For alkane, R₃It is described for hydrogen-based The R of polysiloxanes₄For alkoxy, R₅For alkoxy；

Polysilazane and polysiloxanes are placed in reactor, polysilazane and poly- silicon oxygen are mixed with 300 revs/min of speed Alkane is added acetic acid palladium salt, is stirred with 1200 revs/min of speed, to promote polysiloxanes to be copolymerized with polysilazane Reaction generates polysiloxanes-polysilazane copolymers；

Into the copolymer be added toluene after, add aluminium oxide, zinc oxide, opal and lanthanum orthophosphate, with 1500 turns/ The speed of minute is stirred, and obtains coating head product；

The head product is ground so that aluminium oxide, zinc oxide, opal and lanthanum orthophosphate the range of partial size be 0.22~0.52 micron, ceramic microsphere is added, obtains coating head product；

By the coating composition in the surface of substrate, the coating with a thickness of 40 microns is formed, the coating piece is made.

Embodiment 8

Offer prepares raw material, and by mass percentage, it includes: polysilazane 6%, polysiloxanes 4%, second that this, which prepares raw material, Ether 25.5%, paraxylene 30%, the white carbon black 10% that particle size range is 0.23~0.36 micron, particle size range be 0.23~ 0.36 micron of aluminium hydroxide 12%, the glass microsphere 2% that particle size range is 0.22~0.35 micron, particle size range be 0.23~ 0.34 micron of rare talent's stone 9.5%, the neodymium phosphate 0.5% that particle size range is 0.23~0.34 micron, n,N-Dimethylaniline 0.5%, wherein the R of the polysilazane₁For olefine, R₂For aryl, R₃For hydrogen-based, the R of the polysiloxanes₄For alkane, R₅ For alkane；

Polysilazane and polysiloxanes are placed in reactor, polysilazane and poly- silicon oxygen are mixed with 500 revs/min of speed Alkane is added n,N-Dimethylaniline, is stirred with 1050 revs/min of speed, to promote polysiloxanes and polysilazane to send out Raw copolyreaction, generates polysiloxanes-polysilazane copolymers；

After ether, paraxylene is added into the copolymer, white carbon black, aluminium hydroxide, glass microsphere, rare talent are added Stone and neodymium phosphate are stirred with 1700 revs/min of speed, obtain coating composition；

By the coating composition in the surface of substrate, the coating with a thickness of 45 microns is formed, the coating piece is made.

Embodiment 9

Offer prepares raw material, by mass percentage, this prepare raw material include: polysilazane 30%, polysiloxanes 35%, Butyl oxide is 15%, particle size range is 0.23~0.35 micron tourmaline 15%, particle size range are 0.23~0.35 micron Celestine 2%, triethylenediamine 3%, wherein the R of the polysilazane₁For hydrogen-based, R₂For hydrogen-based, R₃It is described poly- for hydrogen-based The R of siloxanes₄For hydrogen-based, R₅For olefine；

Polysilazane and polysiloxanes are placed in reactor, polysilazane and poly- silicon oxygen are mixed with 600 revs/min of speed Alkane is added triethylenediamine, is stirred with 1500 revs/min of speed, to promote polysiloxanes and polysilazane to occur Copolyreaction generates polysiloxanes-polysilazane copolymers；

Into the copolymer be added butyl oxide after, add tourmaline, celestine, with 1000 revs/min of speed into Row stirring, obtains coating composition；

By the coating composition in the surface of substrate, the coating with a thickness of 55 microns is formed, the coating piece is made.

Embodiment 10

Offer prepares raw material, by mass percentage, this prepare raw material include: polysilazane 40%, polysiloxanes 35%, Butyl oxide is 15%, particle size range is 0.23~0.35 micron tourmaline 5%, triethylenediamine 5%, wherein described poly- The R of silazane₁For hydrogen-based, R₂For hydrogen-based, R₃For hydrogen-based, the R of the polysiloxanes₄For hydrogen-based, R₅For olefine；

Polysilazane and polysiloxanes are placed in reactor, polysilazane and poly- silicon oxygen are mixed with 200 revs/min of speed Alkane is added triethylenediamine, is stirred with 1200 revs/min of speed, to promote polysiloxanes and polysilazane to occur Copolyreaction generates polysiloxanes-polysilazane copolymers；

After butyl oxide is added into the copolymer, tourmaline is added, is stirred with 1200 revs/min of speed, Obtain coating composition；

By the coating composition in the surface of substrate, the coating with a thickness of 60 microns is formed, the coating piece is made.

Embodiment 11

Offer prepares raw material, by mass percentage, this prepare raw material include: polysilazane 50%, polysiloxanes 28%, Butyl oxide is 15%, particle size range is 0.23~0.35 micron tourmaline 2%, triethylenediamine 5%, wherein described poly- The R of silazane₁For hydrogen-based, R₂For hydrogen-based, R₃For hydrogen-based, the R of the polysiloxanes₄For hydrogen-based, R₅For olefine；

Polysilazane and polysiloxanes are placed in reactor, polysilazane and poly- silicon oxygen are mixed with 400 revs/min of speed Alkane is added triethylenediamine, is stirred with 1250 revs/min of speed, to promote polysiloxanes and polysilazane to occur Copolyreaction generates polysiloxanes-polysilazane copolymers；

After butyl oxide is added into the copolymer, tourmaline is added, is stirred with 1300 revs/min of speed, Obtain coating composition；

By the coating composition in the surface of substrate, the coating with a thickness of 65 microns is formed, the coating piece is made.

Embodiment 12

Offer prepares raw material, by mass percentage, this prepare raw material include: polysilazane 50%, polysiloxanes 29%, Butyl oxide is 10%, particle size range is 0.23~0.35 micron silicon carbide 5%, the electricity that particle size range is 0.23~0.35 micron Gas stone 1%, triethylenediamine 5%, wherein the R of the polysilazane₁For hydrogen-based, R₂For hydrogen-based, R₃For hydrogen-based, the poly- silicon The R of oxygen alkane₄For hydrogen-based, R₅For olefine；

Polysilazane and polysiloxanes are placed in reactor, polysilazane and poly- silicon oxygen are mixed with 220 revs/min of speed Alkane is added triethylenediamine, is stirred with 1200 revs/min of speed, to promote polysiloxanes and polysilazane to occur Copolyreaction generates polysiloxanes-polysilazane copolymers；

Into the copolymer be added butyl oxide after, add silicon carbide and tourmaline, with 1200 revs/min of speed into Row stirring, obtains coating composition；

By the coating composition in the surface of substrate, the coating with a thickness of 70 microns is formed, the coating piece is made.

Embodiment 13

Offer prepares raw material, by mass percentage, this prepare raw material include: polysilazane 50%, polysiloxanes 20%, Butyl oxide is 10%, particle size range is 0.23~0.35 micron aluminium oxide 5%, the surprise that particle size range is 0.23~0.35 micron Ability stone 8%, the opal 2% that particle size range is 0.23~0.35 micron, triethylenediamine 5%, wherein the polysilazane R₁For hydrogen-based, R₂For hydrogen-based, R₃For hydrogen-based, the R of the polysiloxanes₄For hydrogen-based, R₅For olefine；

Polysilazane and polysiloxanes are placed in reactor, polysilazane and poly- silicon oxygen are mixed with 300 revs/min of speed Alkane is added triethylenediamine, is stirred with 1300 revs/min of speed, to promote polysiloxanes and polysilazane to occur Copolyreaction generates polysiloxanes-polysilazane copolymers；

After butyl oxide is added into the copolymer, aluminium oxide, Qi Caishi and opal are added, with 1800 revs/min Speed be stirred, obtain coating composition；

By the coating composition in the surface of substrate, the coating with a thickness of 75 microns is formed, the coating piece is made.

Embodiment 14

Offer prepares raw material, by mass percentage, this prepare raw material include: polysilazane 50%, polysiloxanes 20%, Butyl oxide is 10%, particle size range is 2.3~3.5 microns silicon carbide 5%, the tourmaline that particle size range is 2.3~3.5 microns 7%, particle size range be 2.3~3.5 microns Strange ice stone 3%, triethylenediamine 5%, wherein the R of the polysilazane₁For Hydrogen-based, R₂For hydrogen-based, R₃For hydrogen-based, the R of the polysiloxanes₄For hydrogen-based, R₅For olefine；

Polysilazane and polysiloxanes are placed in reactor, polysilazane and poly- silicon oxygen are mixed with 100 revs/min of speed Alkane is added stannous methide, is stirred with 1100 revs/min of speed, to promote polysiloxanes to be copolymerized with polysilazane Reaction generates polysiloxanes-polysilazane copolymers；

After butyl oxide is added into the copolymer, silicon carbide, tourmaline and Strange ice stone are added, with 1100 revs/min Speed be stirred, obtain coating head product；

The head product is ground so that the range of the partial size of silicon carbide, tourmaline and Strange ice stone be 0.2~ 0.3 micron, obtain coating composition；

By the coating composition in the surface of substrate, the coating with a thickness of 80 microns is formed, the coating piece is made.

Embodiment 15

Offer prepares raw material, by mass percentage, this prepare raw material include: polysilazane 20%, polysiloxanes 15%, Silicon carbide 50% that paraxylene 4%, particle size range are 2~3 microns, the tourmaline 6% that particle size range is 2~3 microns, partial size Strange ice stone 3% that range is 2~3 microns, the opal 1% that particle size range is 2~3 microns, triethylenediamine 1%, wherein The R of the polysilazane₁For hydrogen-based, R₂For hydrogen-based, R₃For hydrogen-based, the R of the polysiloxanes₄For hydrogen-based, R₅For olefine；

Polysilazane and polysiloxanes are placed in reactor, polysilazane and poly- silicon oxygen are mixed with 500 revs/min of speed Alkane is added triethylenediamine, is stirred with 1550 revs/min of speed, to promote polysiloxanes and polysilazane to occur Copolyreaction generates polysiloxanes-polysilazane copolymers；

After paraxylene is added into the copolymer, silicon carbide, tourmaline, opal and Strange ice stone are added, with 1900 revs/min of speed is stirred, and obtains coating head product；

The head product is ground so that silicon carbide, tourmaline, opal and Strange ice stone the range of partial size be 0.2~0.3 micron, obtain coating composition；

By the coating composition in the surface of substrate, the coating with a thickness of 85 microns is formed, the coating piece is made.

Embodiment 16

Offer prepares raw material, by mass percentage, this prepare raw material include: polysilazane 25%, polysiloxanes 25%, Silicon carbide 20% that paraxylene 20%, particle size range are 2~3 microns, the tourmaline 5% that particle size range is 2~3 microns, grain Strange ice stone 4% that diameter range is 2~3 microns, the cerium sesquioxide 1% that particle size range is 2~3 microns, wherein the poly- silicon nitrogen The R of alkane₁For hydrogen-based, R₂For hydrogen-based, R₃For hydrogen-based, the R of the polysiloxanes₄For hydrogen-based, R₅For olefine；

Polysilazane and polysiloxanes are placed in reactor, polysilazane and poly- silicon oxygen are mixed with 200 revs/min of speed Alkane is stirred with 1600 revs/min of speed, and polysiloxanes is copolymerized with polysilazane, and it is poly- to generate polysiloxanes- Silazane copolymer；

After paraxylene is added into the copolymer, silicon carbide, tourmaline, Strange ice stone and cerium sesquioxide are added, It is stirred with 1600 revs/min of speed, obtains coating head product；

The head product is ground so that silicon carbide, tourmaline, Strange ice stone and cerium sesquioxide partial size Range is 0.2~0.26 micron, obtains coating composition；

By the coating composition in the surface of substrate, the coating with a thickness of 90 microns is formed, the coating piece is made.

The hardness of the coating piece of embodiment 1-16, adhesion, temperature tolerance and anion burst size are tested, tested As a result it please join table 1.

The physical property measurement result of 1 coating piece of table

The hardness of the coating piece of embodiment 1-16 is tested according to GB/T 6739-1696 (hardness of film method of testing), The range for showing the hardness of coating piece is 6~9H, shows that the coating piece of embodiment 1-16 all has preferable hardness.

The adhesion of the coating piece of embodiment 1-16 is tested according to GB/T 9286 (adhesive force method of testing), is shown The hundred lattice attachment of each coating piece can reach 0 grade, show that the adhesion of the coating piece of embodiment 1-16 is also preferable.

The weightlessness of the coating piece of embodiment 1-16 is tested according to GB/T 9286 (temperature tolerance test method), display is real The temperature tolerance for applying the coating piece of a 1-16 is also preferable.

Using negative aeroion detector (model MODEL COM-3010PRO) to the negative of the coating piece of embodiment 1-16 Ion release is tested.Show the coating piece anion burst size with higher of embodiment 1-16.

The above is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all in the present invention Inventive concept under, using equivalent structure transformation made by present specification, be applied directly or indirectly in other phases The technical field of pass is included in scope of patent protection of the invention.

Claims

1. a kind of coating composition, which is characterized in that the raw material for preparing of the coating composition includes polysilazane, polysiloxanes And anion agent, the anion agent are selected from least one of Strange ice stone, tourmaline, opal and rare talent's stone or described negative Ionic agent is at least one of Strange ice stone, tourmaline, opal and rare talent's stone and rare earth oxide and/or rare earth complex salt Mixture.

2. coating composition as described in claim 1, which is characterized in that the polysilazane accounts for the quality percentage for preparing raw material It is 6~81% than range, it is 4~79% that the polysiloxanes, which accounts for and prepares the mass percent range of raw material, the anion agent Accounting for and preparing the mass percent range of raw material is 0.01~15%.

3. coating composition as described in claim 1, which is characterized in that the structural formula of the polysilazane are as follows:Wherein, R₁For hydrogen-based, alkane, cycloalkane, olefine, aryl, alkoxy, alkyl siloxy or alkanamine Base, R₂For hydrogen-based, alkane, cycloalkane, olefine, aryl, alkoxy, alkyl siloxy or alkylamino radical, R₃For hydrogen-based, alkane, Cycloalkane, olefine, aryl, alkoxy, alkyl siloxy or alkylamino radical.

4. coating composition as claimed in claim 3, which is characterized in that the R₁And R₂At least one of be hydrogen-based or chain Alkene.

5. coating composition as described in claim 1, which is characterized in that the structural formula of the polysiloxanes are as follows:Wherein, R₄For hydrogen-based, alkane, cycloalkane, olefine, aryl, alkoxy or alkyl siloxy, R₅For hydrogen Base, alkane, cycloalkane, olefine, aryl, alkoxy or alkyl siloxy.

6. coating composition as described in any one in claim 1-5, which is characterized in that the raw material for preparing further includes solvent, The range that the solvent accounts for the mass percent for preparing raw material is 10~66%, and the solvent is selected from alkane solvents, ether At least one of class solvent, ketones solvent and benzenesulfonamide derivative species solvent.

7. coating composition as claimed in claim 6, which is characterized in that the alkane solvents be selected from n-hexane, normal octane, At least one of n-decane, chloroform, methylene chloride, dichloroethylene and mineral oil are a variety of；The ether solvent is selected from At least one of ether, petroleum ether and butyl oxide；The ketones solvent is selected from acetone, methyl ethyl ketone, cyclohexanone and different Fo Er At least one of ketone；The benzenesulfonamide derivative species solvent is in toluene, meta-xylene, paraxylene, ortho-xylene and chlorobenzene At least one.

8. coating composition as described in any one in claim 1-5, which is characterized in that the raw material for preparing further includes catalysis Agent, the range that the catalyst accounts for the mass percent for preparing raw material is 0.01~5%, and the catalyst is amines catalysis Agent and/or metal-based catalysts.

9. coating composition as claimed in claim 8, which is characterized in that the amines catalyst is selected from fatty amine, alicyclic One of amine, hydramine and aromatic amine are a variety of, the fatty amine in diethylamine, triethylamine and triethylene tetramine extremely Few one kind；The cycloaliphatic amines are selected from least one of triethylenediamine, piperazine, piperidines and morpholine；The hydramine is selected from N, N- dimethylethanolamine, diisopropanolamine (DIPA) and N, at least one of N- diethyl ethylene diamine；The aromatic amine is selected from benzene At least one of amine, o-phenylenediamine, benzidine and n,N-Dimethylaniline.

10. coating composition as claimed in claim 8, which is characterized in that the metal-based catalysts are organotin catalysts And/or palladium class catalyst, the organotin catalysts are selected from dibutyltindilaurylmercaptide cinnamic acid rouge, stannous octoate, stannous methide and three At least one of phenyltin；The palladium class catalyst is selected from carbon/palladium, palladium chloride, propionic acid palladium salt, acetic acid palladium salt and triphenyl At least one of phosphorus palladium.

11. coating composition as described in any one in claim 1-5, which is characterized in that the raw material for preparing further includes filler, The filler account for the mass percent for preparing raw material range be 1~50%, the filler be selected from silicon carbide, aluminium oxide, Titanium oxide, zinc oxide, magnesia, aluminium hydroxide, white carbon black, concave convex rod, kaolin, bentonite, glass microsphere and ceramic microsphere At least one of.

12. coating composition as claimed in claim 2, which is characterized in that the raw material for preparing further includes filler, solvent and urges Agent, the range that the filler accounts for the mass percent for preparing raw material is 1~50%, and the solvent, which accounts for, described prepares raw material Mass percent range be 10~66%, the catalyst account for the mass percent for preparing raw material range be 0.01 ~5%, the range that the polysiloxanes accounts for the mass percent for preparing raw material with polysilazane is 10~80%.

13. a kind of preparation method of coating composition, comprising the following steps:

Polysilazane, polysiloxanes and anion agent are provided, the anion agent is selected from Strange ice stone, tourmaline, opal and surprise At least one of ability stone or the anion agent be at least one of Strange ice stone, tourmaline, opal and rare talent's stone with The mixture of rare earth oxide and/or rare earth complex salt；

Mixing polysilazane and polysiloxanes, polysilazane and polysiloxanes are copolymerized, and generate the poly- silicon oxygen of polysilazane- Alkyl copolymer；

14. the preparation method of coating composition as claimed in claim 13, which is characterized in that mixing polysilazane and poly- silicon oxygen After alkane, before anion agent is added in Xiang Suoshu polysilazane-polysiloxane copolymer, the preparation method of the coating composition is also Include: the step of catalyst is added into polysilazane and polysiloxanes, wherein the catalyst accounts for the matter for preparing raw material The range for measuring percentage is 0.01~5%, and the catalyst is amines catalyst and/or metal-based catalysts.

15. the preparation method of coating composition as claimed in claim 13, which is characterized in that generate the poly- silicon oxygen of polysilazane- After alkyl copolymer, before the coating composition is made, the preparation method of the coating composition further include: poly- to polysilazane- The step of filler is added in silicone copolymers, wherein the range that the filler accounts for the mass percent for preparing raw material is 1 ~50%, the filler be selected from silicon carbide, aluminium oxide, titanium oxide, zinc oxide, magnesia, aluminium hydroxide, white carbon black, concave convex rod, At least one of kaolin, bentonite, glass microsphere and ceramic microsphere.

16. the preparation method of coating composition as claimed in claim 13, which is characterized in that generate the poly- silicon oxygen of polysilazane- After alkyl copolymer, before the coating composition is made, the preparation method of the coating composition further include: poly- to polysilazane- The step of solvent is added in silicone copolymers, wherein the range that the solvent accounts for the mass percent for preparing raw material is 10~66%, the solvent in alkane solvents, ether solvent, ketones solvent and benzenesulfonamide derivative species solvent at least one Kind.

17. a kind of coating piece, which is characterized in that including matrix and the coating for being formed in described matrix surface, contain in the coating Just like the described in any item coating compositions of claim 1-12.

18. coating piece as claimed in claim 17, which is characterized in that the range of the thickness of the coating is 1 micron~100 micro- Rice.

19. a kind of preparation method of coating piece, comprising the following steps:

There is provided matrix and such as coating composition of any of claims 1-12；

By the coating composition in the surface of matrix, coating is formed, the coating piece is made.

20. a kind of household electrical appliance, which is characterized in that the household electrical appliance include such as the described in any item paintings of claim 17-18 Cover part.