CN109401620A

CN109401620A - Coating composition and preparation method thereof, coating piece and preparation method thereof, household electrical appliance

Info

Publication number: CN109401620A
Application number: CN201811172189.7A
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

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 coating composition prepares the siloxanes that raw material includes polysilazane, polysiloxanes and the side chain containing low-surface-energy, the polysilazane and polysiloxanes are copolymerized generation polysilazane-polysiloxane copolymer, and the siloxanes of the side chain containing low-surface-energy is mixed with the polysilazane-polysiloxane copolymer.Present invention coating as obtained by the coating composition has the advantages that hardness is high, adhesion is good, easy to clean, temperature tolerance is good, reaches food touch-safe rank etc..

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 product, the material of above-mentioned coating is main are as follows: porcelain (side dusted can be used in glaze (enamel can be formed in product surface by enamel technology), organosilicon, Teflon, epoxy powder The epoxy powder is sprayed at product surface by formula) or silica solution+organic-silicon hybridization coating.However, above-mentioned coating has hardness It is low, adhesion is poor, temperature tolerance is poor, is difficult to clean and the disadvantages of there are food touch-safe hidden danger.

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 has the advantages that hardness height, adhesion is good, temperature tolerance is good, easy to clean and can reach food touch-safe rank.

In order to solve the above technical problems, the raw material for preparing of coating composition provided by the invention includes polysilazane, poly- silicon The siloxanes of oxygen alkane and the side chain containing low-surface-energy, the polysilazane and polysiloxanes are copolymerized generation polysilazane- Polysiloxane copolymer, the siloxanes of the side chain containing low-surface-energy are mixed with the polysilazane-polysiloxane copolymer.

Further, it is 6~96.99% that the polysilazane, which accounts for the range of the mass percent for preparing raw material, institute Stating polysiloxanes and accounting for the range of the mass percent for preparing raw material is 3~74%, the silicon oxygen of the side chain containing low-surface-energy The range that alkane accounts for the mass percent for preparing raw material is 0.01~20%.

Further, the siloxanes of the side chain containing low-surface-energy is selected from triethoxy [4- (trifluoromethyl) phenyl] silicon Alkane, the fluoro- N- octyl silane of triethoxy -1H, 1H, 2H, 2H- 13, bis- (3,3, the 3- trifluoro propyls) -1 of 1,3-, 1,3,3- tetramethyl Base disiloxane, 3- (seven fluorine isopropoxies) propyl-triethoxysilicane, pentafluorophenyl group triethoxysilane, 1H, 1H, 2H, 2H- Perfluoro decyl triethoxysilane, a fluorine triethoxysilane, trifluoromethyl tetrafluoro phenyl triethoxysilane, 1H, 1H, 2H, 2H- perfluor dodecyl triethoxysilane, perfluorooctylethyl group trisiloxanes, 1H, 1H, 2H, 2H- perfluoro decyl triethoxysilicane Alkane, 1H, 1H, 2H, 2H- perfluor heptadecane dimethylsilane, 1H, 1H, 2H, 2H- perfluoro capryl trimethoxy silane, 1- (perfluor- N- octyl) silane, 1,1,2,2- tetrahydro perfluoro capryl silane, 1H, 1H, 2H, 2H- perfluor dodecyl triethoxysilane, 1H, 1H, 2H, 2H- perfluoro decyl trimethoxy silane, trimethoxy (1H, 1H, 2H, 2H- perfluoro hexyl) silane, trimethyl (perfluor Ethyl) silane, diisopropyl-(1H, 1H, 2H, 2H- perfluoro capryl) silane and diisopropyl-(1H, 1H, 2H, 2H- perfluor oneself At least one of base) silane.

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

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

Further, the molecular weight of the polysilazane is 100~1000.

Further, 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 alkane Base siloxy.

Further, the molecular weight of the polysiloxanes is 100~1300.

Further, the raw material for preparing of the coating composition further includes solvent, and the solvent accounts for the coating composition Mass percent range be 10~66%, the solvent be selected from alkane solvents, ether solvent, ketones solvent and benzene spread out At least one of biological species solvent.

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 of the coating composition further includes catalyst, and it is former that the catalyst accounts for the preparation The range of the mass percent of material 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 of the coating composition further includes filler, and the filler accounts for the raw material for preparing The range of mass percent is 1~50%, and the filler is selected from silicon carbide, aluminium oxide, titanium oxide, zinc oxide, magnesia, hydrogen-oxygen Change at least one of aluminium, white carbon black, concave convex rod, kaolin, bentonite, glass microsphere and ceramic microsphere.

Further, the raw material for preparing of the coating composition further includes filler and catalyst, and the filler accounts for the system The range of the mass percent of standby raw material is 1~50%, and the catalyst accounts for the range of the mass percent for preparing raw material Be 0.01~5%, the polysiloxanes and polysilazane account for the range of the mass percent of the coating composition be 10%~ 80%, the siloxanes of the side chain containing low-surface-energy account for the mass percent of the coating composition range be 0.01%~ 20%.

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

Offer prepares raw material, described to prepare the silicon oxygen that raw material includes: polysilazane, polysiloxanes and the side chain containing low-surface-energy Alkane；

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

The siloxanes of the side chain containing low-surface-energy is added into the polysilazane-polysiloxane copolymer, the painting is made Feed composition.

Further, it after mixing polysilazane and polysiloxanes, is added in Xiang Suoshu polysilazane-polysiloxane copolymer Before the siloxanes of the side chain containing low-surface-energy, the preparation method of the coating composition further include: to polysilazane and polysiloxanes The step of middle addition catalyst, wherein the catalyst account for the mass percent for preparing raw material range be 0.01~ 5%, 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 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.

Further, after generating polysilazane-polysiloxane copolymer, the preparation method of the coating composition is also wrapped It includes: the step of filler is added into polysilazane-polysiloxane copolymer, wherein the filler accounts for the matter for preparing raw material The range for measuring percentage is 1~50%, and the filler is selected from silicon carbide, aluminium oxide, titanium oxide, zinc oxide, magnesia, hydroxide At least one of aluminium, white carbon black, concave convex rod, kaolin, bentonite, glass microsphere and ceramic microsphere.

The present invention also provides a kind of coating piece, the coating piece includes matrix and the coating for being formed in matrix surface, described Contain the coating composition in coating.

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

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

Matrix and the coating composition are provided；

By the coating composition in the surface of matrix, 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 containing low-surface-energy The siloxanes of side chain, the polysilazane and polysiloxanes can be copolymerized and generate polysilazane-polysiloxane copolymer. Polysilazane-the polysiloxane copolymer has the advantages that hardness is high, adhesion is good and temperature tolerance is good, so that by the Coating material composition The coating that object is formed has the advantages that hardness is high, adhesion is good and temperature tolerance is good.Polysilazane-the polysiloxane copolymer is also mixed The siloxanes for having the side chain containing low-surface-energy is closed, which can make the painting formed by the coating composition Layer also has the advantages that easy to clean.Moreover, the polysilazane, polysiloxanes, polysilazane-polysiloxane copolymer, contain low table The siloxanes of face energy side chain is not admitted to poisonous and harmful substance, so that the coating as made from the coating composition also connects with food Touch the advantage of safety.

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 coating composition prepares the silicon oxygen that raw material includes polysilazane, polysiloxanes and the side chain containing low-surface-energy Alkane, the polysilazane and polysiloxanes are copolymerized generation polysilazane-polysiloxane copolymer, described to contain low surface The siloxanes of energy side chain is mixed with the polysilazane-polysiloxane copolymer.

The range that the polysilazane accounts for the mass percent for preparing raw material is 6~96.99%, the polysiloxanes The range for accounting for the mass percent for preparing raw material is 3~74%, and the siloxanes of the side chain containing low-surface-energy accounts for the system The range of the mass percent of standby raw material is 0.01~20%.

In an embodiment of the present invention, the polysilazane account for the mass percent for preparing raw material range be 6~ 96.99%.Preferably, it is 10~80% that the polysilazane, which accounts for the range of the mass percent for preparing raw material, more excellent It is selected as 15~60%, further preferably 20~35%.

In an embodiment of the present invention, the polysiloxanes account for the mass percent for preparing raw material range be 3~ 74%.Preferably, it is 10~60% that the polysiloxanes, which accounts for the range of the mass percent for preparing raw material, more preferably 15~60%, further preferably 20~40%.

In an embodiment of the present invention, the siloxanes of the side chain containing low-surface-energy accounts for the quality percentage for preparing raw material The range of ratio is 0.01~20%.Preferably, the siloxanes of the side chain containing low-surface-energy accounts for the quality hundred for preparing raw material The range for dividing ratio is 1~20%, more preferably 5~20%, further preferably 10~15%.

In technical solution of the present invention, polysilazane account for the mass percent for preparing raw material range be 6~ 96.99%, the range that the polysiloxanes accounts for the mass percent for preparing raw material is 3~74%, described to contain low-surface-energy The range that the siloxanes of side chain accounts for the mass percent for preparing raw material is 0.01~20%, so that the poly- silicon under the content After azane and polysiloxanes generate polysilazane-polysiloxane copolymer, the polysilazane-polysiloxane copolymer with it is a certain amount of The side chain containing low-surface-energy siloxanes mixing, there is the coating composition that is preferably formed to obtain, so that by the coating Coating made from composition has hardness height, adhesion is good, easy to clean, temperature tolerance is good, reaches food touch-safe rank etc. Advantage.

The siloxanes of the side chain containing low-surface-energy is selected from triethoxy [4- (trifluoromethyl) phenyl] silane, three ethoxies The fluoro- N- octyl silane of base -1H, 1H, 2H, 2H- 13, bis- (3,3, the 3- trifluoro propyls) -1 of 1,3-, 1,3,3- tetramethyl, two silicon oxygen Alkane, 3- (seven fluorine isopropoxies) propyl-triethoxysilicane, pentafluorophenyl group triethoxysilane, 1H, 1H, 2H, 2H- perfluoro decyl Triethoxysilane, a fluorine triethoxysilane, trifluoromethyl tetrafluoro phenyl triethoxysilane, 1H, 1H, 2H, 2H- perfluor ten Diyl triethoxysilane, perfluorooctylethyl group trisiloxanes, 1H, 1H, 2H, 2H- perfluoro decyl triethoxysilane, 1H, 1H, 2H, 2H- perfluor heptadecane dimethylsilane, 1H, 1H, 2H, 2H- perfluoro capryl trimethoxy silane, 1- (perfluor-n- octyl) silicon Alkane, 1,1,2,2- tetrahydro perfluoro capryl silane, 1H, 1H, 2H, 2H- perfluor dodecyl triethoxysilane, 1H, 1H, 2H, 2H- are complete Fluorine ruthenium trimethoxysilane, trimethoxy (1H, 1H, 2H, 2H- perfluoro hexyl) silane, trimethyl (perfluoro-ethyl) silane, two In isopropyl-(1H, 1H, 2H, 2H- perfluoro capryl) silane and diisopropyl-(1H, 1H, 2H, 2H- perfluoro hexyl) silane extremely Few one kind.

In technical solution of the present invention, the siloxanes of the side chain containing low-surface-energy is contained in the coating composition, can be made by this Coating obtained by coating composition has the advantages that easy to clean, and the siloxanes of the above-mentioned side chain containing low-surface-energy is not to have Malicious harmful substance, so that the coating composition can reach food touch-safe rank.

It should be noted that the siloxanes of the side chain containing low-surface-energy can also can realize same or similar function for other Substance, the present invention are without limitation.

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 or alkyl siloxy.

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 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 of the polysilazane of technical solution of the present invention is 100~1000, the molecular weight of polysiloxanes is 100~ 1300, after the polysiloxanes that the polysilazane and molecular weight that molecular weight is 100~1000 are 100~1300 is copolymerized, Polysilazane-polysiloxane copolymer is produced, polysilazane-polysiloxane copolymer coating composition will be contained After substrate forms coating, which has preferable hardness, adhesion and temperature tolerance.

The raw material for preparing of the coating composition further includes solvent, and the solvent accounts 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 can be selected from least one in alkane solvents, ether solvent, ketones solvent and benzenesulfonamide derivative species solvent 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 can dissolve polysiloxanes and the solvent of polysilazane copolymerization product also can be used as the present invention Solvent, the present invention it is without limitation.

The silicone-soluble of the polysilazane-polysiloxane copolymer and the side chain containing low-surface-energy in solvent so that The coating composition can relatively easily be coated on the surface of substrate.

The raw material for preparing of the coating composition further includes catalyst, and the catalyst accounts for the quality hundred for preparing raw material The range for dividing ratio 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 fatty amine, cycloaliphatic amines, one of 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 other catalyst with similar performance also can be used as catalyst of the invention, the present invention couple This is with no restrictions.

The catalyst can accelerate the copolyreaction between polysilazane and polysiloxanes, to generate institute in a short time State polysilazane-polysiloxane copolymer.

The raw material for preparing of the coating composition further includes filler, and the filler accounts 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 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 be uniformly dispersed when setting 0.2~0.8 micron for the particle size range of the filler In coating composition, and make coating surface obtained more smooth.

In another embodiment of this law, the range of the partial size of the filler is 0.2~0.5 micron, more smooth to obtain Coating.

In an embodiment of the present invention, grinder can be used to grind filler, to reduce the partial size of filler.

In an alternative embodiment of the invention, which can be ground, to reduce the coating composition In filler partial size.

In an embodiment of the present invention, the filler can be homogeneously dispersed in coating composition.

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 increase hardness, adhesion and the temperature tolerance of the coating as obtained by the coating composition.

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.

It should be understood that solvent of the invention, catalyst and filler are also not admitted to poisonous and harmful substance, so that by the painting Coating made from feed composition also has the advantages that food touch-safe.

The raw material for preparing of the coating composition may also include colorant.The colorant accounts for the quality percentage for preparing raw material It is 0.01~5%, preferably 1~5%, more preferably 2~4% than range.

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.

In technical solution of the present invention, colorant is contained in the coating composition, the colorant can be white pigment, yellow color Material, orange pigment, black pigment, purple, brown colorant, green pigment, blue colorant, grey colorant or red colorant, So as to which there is colorful appearance by coating obtained by the coating composition.

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 selected from 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) and 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) and carbon black (Carbon black) and stibium trioxide (Antimony white), barium sulfate In (Barium Sulfate), lithopone (Lithopone), titanium white (Titanium white) and zinc white (Zinc white) At least one mixture, burnt ochre (Burnt sienna), Indian red (India can also further be added in the mixture ) and at least one of cobalt blue (Cobalt blue) Red.

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

The above-mentioned colorant of technical solution of the present invention can reach food touch-safe rank, so that the colorant is added to painting After feed composition, which also can reach food touch-safe rank.

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 composition prepare raw material include: polysiloxanes, it is polysilazane, low It surface can side-chain siloxane, filler, solvent and catalyst.Wherein, the polysiloxanes and polysilazane, which account for, described prepares raw material Mass percent range be 10%~80%, the low-surface-energy side-chain siloxane accounts for the mass percent for preparing raw material Range is 0.01~20%, and it is 1~50% that filler, which accounts for the mass percent range for preparing raw material, and it is former that solvent accounts for the preparation The mass percent range of material is 10~66%, and it is 0.01~5% that catalyst, which accounts for the mass percent range for preparing raw material,.

In an alternative embodiment of the invention, the coating composition prepare raw material include: polysiloxanes, polysilazane, Low-surface-energy side-chain siloxane, filler, solvent and catalyst.Wherein, it is former to account for the preparation for the polysiloxanes and polysilazane The mass percent range of material is 10%~60%, and the low-surface-energy side-chain siloxane accounts for the quality percentage for preparing raw material It is 0.01~15% than range, it is 1~50% that filler, which accounts for the mass percent range for preparing raw material, and solvent accounts for the preparation The mass percent range of raw material be 10~66%, catalyst account for the mass percent range for preparing raw material be 0.01~ 5%.

In still another embodiment of the process, the coating composition prepare raw material include: polysiloxanes, polysilazane, Low-surface-energy side-chain siloxane, filler, solvent, colorant and catalyst.Wherein, the polysiloxanes and polysilazane account for the system The mass percent range of standby raw material is 10%~60%, and the low-surface-energy side-chain siloxane accounts for the quality for preparing raw material Percentage range is 0.01~15%, and it is 1~50% that filler, which accounts for the mass percent range for preparing raw material, and solvent accounts for described Prepare raw material mass percent range be 10~66%, colorant account for the mass percent range for preparing raw material be 0.01~ 5%, it is 0.01~5% that catalyst, which accounts for the mass percent range for preparing raw material,.

Offer prepares raw material, described to prepare the silicon oxygen that raw material includes polysilazane, polysiloxanes and the side chain containing low-surface-energy Alkane,；

Mixing polysilazane and polysiloxanes, polysilazane and polysiloxanes are copolymerized, and it is poly- to generate polysilazane- The coating composition is made in silicone copolymers.

In an embodiment of the present invention, the polysilazane account for the mass percent for preparing raw material range be 6~ 96.99%, the range that the polysiloxanes accounts for the mass percent for preparing raw material is 3~74%, described to contain low-surface-energy The range that the siloxanes of side chain accounts for the mass percent for preparing raw material is 0.01~20%.

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, and polysiloxanes can occur with polysilazane 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 noted that the stirring rate of the first time stir process and the time of copolyreaction can be also other numbers Value, the present invention are without limitation.

The raw material for preparing of the coating composition of technical solution of the present invention includes polysilazane, polysiloxanes and containing low-surface-energy The siloxanes of side chain, the polysilazane and polysiloxanes can be copolymerized and generate polysilazane-polysiloxane copolymer. Polysilazane-the polysiloxane copolymer has the advantages that hardness is high, adhesion is good and temperature tolerance is good, so that by the Coating material composition The coating that object is formed has the advantages that hardness is high, adhesion is good and temperature tolerance is good.Polysilazane-the polysiloxane copolymer is also mixed The siloxanes for having the side chain containing low-surface-energy is closed, which can make the painting formed by the coating composition Layer also has the advantages that easy to clean.Moreover, the polysilazane, polysiloxanes, polysilazane-polysiloxane copolymer and containing low The siloxanes of surface energy side chain is not admitted to poisonous and harmful substance, and will not generate during preparing the coating composition Poisonous and harmful substance, so that the coating as made from the coating composition also has the advantages that food touch-safe.

After mixing polysilazane and polysiloxanes, the preparation method of the coating composition further include: to polysilazane and The step of catalyst is added in polysiloxanes, wherein 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, to promote polysiloxanes to be copolymerized with polysilazane, Matrix resin, i.e. polysiloxanes-polysilazane copolymers needed for generating the present invention.

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 and/or filler are added into polysilazane-polysiloxane copolymer.

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 can be 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.

It in an embodiment of the present invention, can be to it after solvent and filler being added into polysilazane-polysiloxane copolymer Third time stir process is carried out, so that polysilazane-polysiloxane copolymer, solvent and filler are uniformly mixed.

It should be understood that solvent and side containing low-surface-energy can be first added into the polysilazane-polysiloxane copolymer The siloxanes of chain, adds filler, carries out third time stir process to it.It can also be simultaneously to the polysilazane-polysiloxanes The siloxanes of solvent, filler and the side chain containing low-surface-energy is added in copolymer, third time stir process is carried out to it.Can also first to After solvent is added in the polysilazane-polysiloxane copolymer, the siloxanes of filler and the side chain containing low-surface-energy is added, it is right It carries out third time stir process.Side containing low-surface-energy is either only added into the polysilazane-polysiloxane copolymer The siloxanes and solvent/filler of chain, then carry out third time stir process.

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.

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 into polysilazane-polysiloxane copolymer.

In an alternative embodiment of the invention, directly the biggish filler of partial size can be added total to polysilazane-polysiloxanes In polymers, then the coating head product is ground, to reduce the partial size of the filler in the coating composition.

The time of the milled processed can be 30~60 minutes, preferably 40~50 minutes.It can adjust according to actual needs Whole milling time, to obtain the filler 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 is also dispersible in the solvent and polysilazane-polysiloxanes In copolymer, to increase the hardness, adhesion and temperature tolerance of the coating composition.

After generating polysilazane-polysiloxane copolymer, before the coating composition is made, the system of the coating composition Preparation Method further include: the step of colorant is added into polysilazane-polysiloxane copolymer.The colorant, which accounts for, described prepares raw material Mass percent range be 0.01~15%, 1~15%, more preferably 5~15%, further preferably 10~15%.

In technical solution of the present invention, after colorant is added into polysilazane-polysiloxane copolymer, it can make through the coating Coating obtained by composition has colorful 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 and select according to actual needs, and when the time of above-mentioned copolyreaction, mixing speed, mixing time, grinding Between it is equal be representative value in preparation process, can be adjusted according to actual needs.

It should be understood that the coating composition can be ground, it is each in the coating composition to further decrease The partial size of component.

It should be understood that the coating can be formed by the coating composition in matrix 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, preparation method of the coating composition etc. please refer to above-described embodiment, since this coating piece uses Whole technical solutions of above-mentioned all embodiments, thus it is at least all beneficial brought by the technical solution with above-described embodiment Effect, this is no longer going to repeat them.

The range of the thickness of the coating is 1~100 micron, and preferably 5~60 microns, more preferably 10~50 is micro- Rice, further preferably 20~30 microns.

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

The thickness of the coating can be 1 micron, 2 microns, 5 microns, 10 microns, 20 microns, 50 microns or 100 microns.

In technical solution of the present invention, the range of the thickness of the coating can be 1~100 micron, and the surface of Yu Jiti is formed After the coating of above-mentioned thickness, which can be effectively protected matrix so that the coating piece have hardness height, high temperature resistant, It is easy to clean, adhesion is good, reaches the advantages that food touch-safe rank.

Matrix and the coating composition are provided；

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

It should be understood that can be first ground to the coating composition, reunited with reducing, then will be after ground processing Coating composition in the surface of matrix.

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, preferably 100 DEG C~280 DEG C, more preferably 120~150 DEG C, so that matrix surface Curing of coating composition forms coating.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 in the preparation process of the coating piece, nuisance will not be generated Matter, so that the coating composition, coating, coating piece and electronic device all have the characteristic of safety and environmental protection.

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

Embodiment 1

The preparation method of the coating composition the following steps are included:

Offer prepares raw material, and the raw material for preparing includes:

Polysilazane, the R of the polysilazane₁For hydrogen-based, R₂For hydrogen-based, R₃For hydrogen-based, the polysilazane accounts for the system The range of the mass percent of standby raw material is 40%,

Polysiloxanes, the R of the polysiloxanes₄For hydrogen-based, R₅For olefine, the polysiloxanes, which accounts for, described prepares raw material Mass percent range be 40%；

Triethoxy [4- (trifluoromethyl) phenyl] silane, the range for accounting for the mass percent for preparing raw material are 20%.

Polysilazane and polysiloxanes are placed in reactor, polysilazane and poly- silicon oxygen are mixed with 350 revs/min of speed Alkane, the copolyreaction between polysiloxanes and polysilazane generate polysiloxanes-polysilazane copolymers；And

Triethoxy [4- (trifluoromethyl) phenyl] silane is added into the polysiloxanes-polysilazane copolymers, with 2000 revs/min of speed is stirred, and obtains coating composition.

Embodiment 2

Offer prepares raw material, and the raw material for preparing includes:

Polysilazane, the R of the polysilazane₁For aryl, R₂For hydrogen-based, R₃For alkylamino radical, the polysilazane accounts for described The range for preparing the mass percent of raw material is 35%,

Polysiloxanes, the R of the polysiloxanes₄For cycloalkane, R₅For alkyl siloxy, the polysiloxanes accounts for the system The range of the mass percent of standby raw material is 20%；

1,3- bis- (3,3,3- trifluoro propyls) -1,1,3,3- tetramethyl disiloxane account for the quality for preparing raw material The range of percentage is 12%；

Butyl oxide, the range for accounting for the mass percent for preparing raw material is 20%；

Cyclohexanone, the range for accounting for the mass percent for preparing raw material is 10%；

Dibutyltindilaurylmercaptide cinnamic acid rouge, the range for accounting for the mass percent for preparing raw material is 3%.

Polysilazane and polysiloxanes are placed in reactor, polysilazane and poly- silicon oxygen are mixed with 550 revs/min of speed Alkane；

To be added in the polysiloxanes and polysilazane dibutyltindilaurylmercaptide cinnamic acid rouge with 1600 revs/min of speed into Row stirring, dibutyltindilaurylmercaptide cinnamic acid rouge can promote the copolyreaction between polysiloxanes and polysilazane, generate polysiloxanes- Polysilazane copolymers；And

Butyl oxide, cyclohexanone, bis- (3,3, the 3- trifluoropropyls of 1,3- are added into the polysiloxanes-polysilazane copolymers Base) -1,1,3,3- tetramethyl disiloxane alkane, it is stirred with 2000 revs/min of speed, obtains coating composition.

Embodiment 3

Offer prepares raw material, and the raw material for preparing includes:

Polysilazane, the R of the polysilazane₁For olefine, R₂For alkylsiloxane, R₃For alkane, the polysilazane The range for accounting for the mass percent for preparing raw material is 33%,

Polysiloxanes, the R of the polysiloxanes₄For alkane, R₅For olefine, the polysiloxanes, which accounts for, described prepares raw material Mass percent range be 17%；

3- (seven fluorine isopropoxies) propyl-triethoxysilicane, the range for accounting for the mass percent for preparing raw material are 13%；

Toluene, the range for accounting for the mass percent for preparing raw material is 10%；

Isophorone, the range for accounting for the mass percent for preparing raw material is 4%；

Aluminium oxide, the range for accounting for the mass percent for preparing raw material is 10%, the model of the partial size of the aluminium oxide Enclose is 2.6~3.3 microns；

Silicon carbide, the range for accounting for the mass percent for preparing raw material is 10%, the model of the partial size of the aluminium oxide Enclose is 2.5~3.6 microns；

Stannous methide, the range for accounting for the mass percent for preparing raw material is 3%.

Polysilazane and polysiloxanes are placed in reactor, polysilazane and poly- silicon oxygen are mixed with 350 revs/min of speed Alkane；

Stannous methide is added into the polysiloxanes and polysilazane, is stirred with 1900 revs/min of speed, two Methyl tin can promote the copolyreaction between polysiloxanes and polysilazane, generate polysiloxanes-polysilazane copolymers；

Toluene, isophorone and 3- (seven fluorine isopropoxies) third are added into the polysiloxanes-polysilazane copolymers After ethyl triethoxy silicane alkane, aluminium oxide and silicon carbide are added, is stirred with 2800 revs/min of speed, at the beginning of obtaining coating Product；And

Coating head product is ground, keeps the range 0.21~0.45 of the partial size of aluminium oxide and silicon carbide micro- Rice obtains coating composition.

Embodiment 4

Offer prepares raw material, and the raw material for preparing includes:

Polysilazane, the R of the polysilazane₁For hydrogen-based, R₂For cycloalkane, R₃For hydrogen-based, the polysilazane accounts for described The range for preparing the mass percent of raw material is 30%,

Polysiloxanes, the R of the polysiloxanes₄For alkylamino radical, R₅For alkoxy, it is former that the polysiloxanes accounts for the preparation The range of the mass percent of material is 15%；

1H, 1H, 2H, 2H- perfluoro decyl triethoxysilane, the range for accounting for the mass percent for preparing raw material are 15%；

Ortho-xylene, the range for accounting for the mass percent for preparing raw material is 9%；

Petroleum ether, the range for accounting for the mass percent for preparing raw material is 3%；

Aluminium oxide, the range for accounting for the mass percent for preparing raw material is 11%, the model of the partial size of the aluminium oxide Enclose is 2.1~3 microns；

White carbon black, the range for accounting for the mass percent for preparing raw material is 15%, the model of the partial size of the white carbon black Enclose is 2.2~3 microns；And

Acetic acid palladium salt, the range for accounting for the mass percent for preparing raw material is 2%.

Polysilazane and polysiloxanes are placed in reactor, polysilazane and poly- silicon oxygen are mixed with 660 revs/min of speed Alkane；

Acetic acid palladium salt is added into the polysiloxanes and polysilazane, is stirred with 1300 revs/min of speed, second Sour palladium salt can promote the copolyreaction between polysiloxanes and polysilazane, generate polysiloxanes-polysilazane copolymers；

Ortho-xylene, petroleum ether and 1H, 1H, 2H, 2H- perfluor are added into the polysiloxanes-polysilazane copolymers After ruthenium triethoxysilane, aluminium oxide and white carbon black are added, is stirred with 1600 revs/min of speed, coating is obtained Head product；

Coating head product is ground, keeps the range 0.21~0.35 of the partial size of aluminium oxide and white carbon black micro- Rice obtains coating composition.

Embodiment 5

Offer prepares raw material, and the raw material for preparing includes:

Polysilazane, the R of the polysilazane₁For alkylamino radical, R₂For alkyl, R₃For aryl, the polysilazane accounts for described The range for preparing the mass percent of raw material is 28%,

Polysiloxanes, the R of the polysiloxanes₄For alkylsiloxane, R₅For cycloalkane, the polysiloxanes accounts for the system The range of the mass percent of standby raw material is 12%；

Trifluoromethyl tetrafluoro phenyl triethoxysilane, the range for accounting for the mass percent for preparing raw material are 11%；

N-hexane, the range for accounting for the mass percent for preparing raw material is 13%；

Acetone, the range for accounting for the mass percent for preparing raw material is 12%；

Concave convex rod, the range for accounting for the mass percent for preparing raw material is 4%, the range of the partial size of the concave convex rod It is 2.5~3 microns；

White carbon black, the range for accounting for the mass percent for preparing raw material is 4%, the range of the partial size of the white carbon black It is 2~3.2 microns；

Magnesia, the range for accounting for the mass percent for preparing raw material is 14%, the model of the partial size of the magnesia Enclose is 0.25~0.35 micron；

Triethylene tetramine, the range for accounting for the mass percent for preparing raw material is 2%.

Polysilazane and polysiloxanes are placed in reactor, polysilazane and poly- silicon oxygen are mixed with 750 revs/min of speed Alkane；

Triethylene tetramine is added into the polysiloxanes and polysilazane, is stirred with 1400 revs/min of speed, Triethylene tetramine can promote the copolyreaction between polysiloxanes and polysilazane, generate polysiloxanes-polysilazane copolymers；

N-hexane, three second of acetone and trifluoromethyl tetrafluoro phenyl are added into the polysiloxanes-polysilazane copolymers After oxysilane, concave convex rod, white carbon black and magnesia are added, is stirred with 2300 revs/min of speed, coating is obtained Head product；And

Coating head product is ground, concave convex rod, 0.2~0.25 micron of range of partial size of white carbon black are made, Obtain coating composition.

Embodiment 6

Offer prepares raw material, and the raw material for preparing includes:

Polysilazane, the R of the polysilazane₁For aryl, R₂For aryl, R₃For hydrogen-based, the polysilazane accounts for the system The range of the mass percent of standby raw material is 25%,

Polysiloxanes, the R of the polysiloxanes₄For olefine, R₅For hydrogen-based, the polysiloxanes, which accounts for, described prepares raw material Mass percent range be 10%；

Perfluorooctylethyl group trisiloxanes, the range for accounting for the mass percent for preparing raw material is 9%；

Methyl ethyl ketone, the range for accounting for the mass percent for preparing raw material is 11%；

Meta-xylene, the range for accounting for the mass percent for preparing raw material is 7%；

Aluminium oxide, the range for accounting for the mass percent for preparing raw material is 30%, the model of the partial size of the aluminium oxide Enclose is 0.24~0.33 micron；Titanium oxide, the range for accounting for the mass percent for preparing raw material is 3%, the aluminium oxide Partial size range be 0.21~0.32 micron；

Bentonite, the range for accounting for the mass percent for preparing raw material is 3%, the range of the bentonitic partial size It is 0.25~0.35 micron；

Triphenyltin, the range for accounting for the mass percent for preparing raw material is 2%.

Triphenyltin is added into the polysiloxanes and polysilazane, is stirred with 1100 revs/min of speed, three Phenyltin can promote the copolyreaction between polysiloxanes and polysilazane, generate polysiloxanes-polysilazane copolymers；And

Methyl ethyl ketone, three silicon of meta-xylene and perfluorooctylethyl group are added into the polysiloxanes-polysilazane copolymers After oxygen alkane, aluminium oxide, titanium oxide and bentonite are added, is stirred with 2300 revs/min of speed, Coating material composition is obtained Object.

Embodiment 7

Offer prepares raw material, and the raw material for preparing includes:

Polysilazane, the R of the polysilazane₁For alkane, R₂For alkane, R₃For hydrogen-based, the polysilazane accounts for the system The range of the mass percent of standby raw material is 23%,

Polysiloxanes, the R of the polysiloxanes₄For alkoxy, R₅For alkoxy, it is former that the polysiloxanes accounts for the preparation The range of the mass percent of material is 7%；

1H, 1H, 2H, 2H- perfluoro decyl triethoxysilane, the range for accounting for the mass percent for preparing raw material are 7%；

Toluene, the range for accounting for the mass percent for preparing raw material is 36%；

Aluminium oxide, the range for accounting for the mass percent for preparing raw material is 17%, the model of the partial size of the aluminium oxide Enclose is 2.5~3 microns；

Zinc oxide, the range for accounting for the mass percent for preparing raw material is 5%, the range of the partial size of the zinc oxide It is 2~3 microns；

Ceramic microsphere, the range for accounting for the mass percent for preparing raw material is 3%, the partial size of the ceramic microsphere Range is 0.2~0.3 micron；

Polysilazane and polysiloxanes are placed in reactor, polysilazane and poly- silicon oxygen are mixed with 100 revs/min of speed Alkane；

Acetic acid palladium salt is added into the polysiloxanes and polysilazane, is stirred with 1800 revs/min of speed, second Sour palladium salt can promote the copolyreaction between polysiloxanes and polysilazane, generate polysiloxanes-polysilazane copolymers；

Toluene, 1H, 1H, 2H, 2H- perfluoro decyl triethoxy are added into the polysiloxanes-polysilazane copolymers After silane, aluminium oxide and zinc oxide are added, is stirred with 2700 revs/min of speed, coating head product is obtained；And

Coating head product is ground, 0.2~0.25 micron of range of the partial size of aluminium oxide and zinc oxide is made, Ceramic microsphere is added, coating composition is obtained.

Embodiment 8

Offer prepares raw material, and the raw material for preparing includes:

Polysilazane, the R of the polysilazane₁For olefine, R₂For aryl, R₃For hydrogen-based, the polysilazane accounts for described The range for preparing the mass percent of raw material is 20%,

Polysiloxanes, the R of the polysiloxanes₄For alkane, R₅For alkane, the polysiloxanes accounts for the raw material for preparing The range of mass percent is 5%；

1H, 1H, 2H, 2H- perfluoro capryl trimethoxy silane, the range for accounting for the mass percent for preparing raw material are 5%；

Ether, the range for accounting for the mass percent for preparing raw material is 25%；

Paraxylene, the range for accounting for the mass percent for preparing raw material is 20%；

White carbon black, the range for accounting for the mass percent for preparing raw material is 10%, the model of the partial size of the aluminium oxide Enclose is 2.5~3 microns；

Aluminium hydroxide, the range for accounting for the mass percent for preparing raw material is 12%, the partial size of the aluminium oxide Range is 2~3 microns；

Glass microsphere, the range for accounting for the mass percent for preparing raw material is 2%, the model of the partial size of the aluminium oxide Enclose is 0.2~0.3 micron；And

N,N-Dimethylaniline, the range for accounting for the mass percent for preparing raw material is 1%.

N,N-Dimethylaniline is added into the polysiloxanes and polysilazane, is carried out with 1600 revs/min of speed Stirring, n,N-Dimethylaniline can promote the copolyreaction between polysiloxanes and polysilazane, generate the poly- silicon nitrogen of polysiloxanes- Alkyl copolymer；

It is pungent that ether, paraxylene and 1H, 1H, 2H, 2H- perfluor are added into the polysiloxanes-polysilazane copolymers After base trimethoxy silane, white carbon black and aluminium hydroxide are added, is stirred with 2200 revs/min of speed, coating is obtained Head product；

Coating head product is ground, keeps the range 0.2~0.25 of the partial size of white carbon black and aluminium hydroxide micro- Rice adds glass microsphere, obtains coating composition.

Embodiment 9

Offer prepares raw material, and the raw material for preparing includes:

Polysilazane, the R of the polysilazane₁For hydrogen-based, R₂For hydrogen-based, R₃For hydrogen-based, the polysilazane accounts for the system The range of the mass percent of standby raw material is 30%,

Polysiloxanes, the R of the polysiloxanes₄For hydrogen-based, R₅For olefine, the polysiloxanes, which accounts for, described prepares raw material Mass percent range be 30%；

Triethoxy [4- (trifluoromethyl) phenyl] silane, the range for accounting for the mass percent for preparing raw material are 10%；

Butyl oxide, the range for accounting for the mass percent for preparing raw material is 27%；

Triethylenediamine, the range for accounting for the mass percent for preparing raw material is 3%.

Polysilazane and polysiloxanes are placed in reactor, polysilazane and poly- silicon oxygen are mixed with 250 revs/min of speed Alkane；

Triethylenediamine is added into the polysiloxanes and polysilazane, is stirred with 1700 revs/min of speed It mixes, triethylenediamine can promote the copolyreaction between polysiloxanes and polysilazane, and it is total to generate polysiloxanes-polysilazane Polymers；

Butyl oxide and triethoxy [4- (trifluoromethyl) phenyl] are added into the polysiloxanes-polysilazane copolymers Silane is stirred with 2700 revs/min of speed, obtains coating composition.

Embodiment 10

Offer prepares raw material, and the raw material for preparing includes:

Polysiloxanes, the R of the polysiloxanes₄For hydrogen-based, R₅For olefine, the polysiloxanes, which accounts for, described prepares raw material Mass percent range be 20%；

Polysilazane and polysiloxanes are placed in reactor, polysilazane and poly- silicon oxygen are mixed with 120 revs/min of speed Alkane；

Triethylenediamine is added into the polysiloxanes and polysilazane, is stirred with 1400 revs/min of speed It mixes, triethylenediamine can promote the copolyreaction between polysiloxanes and polysilazane, and it is total to generate polysiloxanes-polysilazane Polymers；And

Butyl oxide and triethoxy [4- (trifluoromethyl) phenyl] are added into the polysiloxanes-polysilazane copolymers Silane is stirred with 2100 revs/min of speed, obtains coating composition.

Embodiment 11

Offer prepares raw material, and the raw material for preparing includes:

Polysilazane, the R of the polysilazane₁For hydrogen-based, R₂For hydrogen-based, R₃For hydrogen-based, the polysilazane accounts for the system The range of the mass percent of standby raw material is 20%,

Polysilazane and polysiloxanes are placed in reactor, polysilazane and poly- silicon oxygen are mixed with 180 revs/min of speed Alkane；

Triethylenediamine is added into the polysiloxanes and polysilazane, is stirred with 1400 revs/min of speed It mixes, triethylenediamine can promote the copolyreaction between polysiloxanes and polysilazane, and it is total to generate polysiloxanes-polysilazane Polymers；

Butyl oxide and triethoxy [4- (trifluoromethyl) phenyl] are added into the polysiloxanes-polysilazane copolymers Silane is stirred with 2400 revs/min of speed, obtains coating composition.

Embodiment 12

Offer prepares raw material, and the raw material for preparing includes:

Butyl oxide, the range for accounting for the mass percent for preparing raw material is 22%；

Silicon carbide, the range for accounting for the mass percent for preparing raw material is 5%, the range of the partial size of the silicon carbide It is 2.5~3 microns；

Polysilazane and polysiloxanes are placed in reactor, polysilazane and poly- silicon oxygen are mixed with 300 revs/min of speed Alkane；

Triethylenediamine is added into the polysiloxanes and polysilazane, is stirred with 1300 revs/min of speed It mixes, triethylenediamine can promote the copolyreaction between polysiloxanes and polysilazane, and it is total to generate polysiloxanes-polysilazane Polymers；

Butyl oxide and triethoxy [4- (trifluoromethyl) phenyl] are added into the polysiloxanes-polysilazane copolymers After silane, silicon carbide is added, is stirred with 2600 revs/min of speed, coating head product is obtained；

Coating head product is ground, 0.5~0.75 micron of range of the partial size of silicon carbide is made, obtains coating Composition.

Embodiment 13

Offer prepares raw material, and the raw material for preparing includes:

Aluminium oxide, the range for accounting for the mass percent for preparing raw material is 5%, the range of the partial size of the aluminium oxide It is 0.25~0.33 micron；

Polysilazane and polysiloxanes are placed in reactor, polysilazane and poly- silicon oxygen are mixed with 900 revs/min of speed Alkane；

Triethylenediamine is added into the polysiloxanes and polysilazane, is stirred with 1200 revs/min of speed It mixes, triethylenediamine can promote the copolyreaction between polysiloxanes and polysilazane, and it is total to generate polysiloxanes-polysilazane Polymers；

Butyl oxide and triethoxy [4- (trifluoromethyl) phenyl] are added into the polysiloxanes-polysilazane copolymers After silane, aluminium oxide is added, is stirred with 2500 revs/min of speed, coating composition is obtained.

Embodiment 14

Offer prepares raw material, and the raw material for preparing includes:

Silicon carbide, the range for accounting for the mass percent for preparing raw material is 5%, the range of the partial size of the silicon carbide It is 2~3 microns；

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

Stannous methide is added into the polysiloxanes and polysilazane, is stirred with 1100 revs/min of speed, two Methyl tin can promote the copolyreaction between polysiloxanes and polysilazane, generate polysiloxanes-polysilazane copolymers；

Butyl oxide and triethoxy [4- (trifluoromethyl) phenyl] are added into the polysiloxanes-polysilazane copolymers After silane, silicon carbide is added, is stirred with 2500 revs/min of speed, coating head product is made；

Coating head product is ground, 0.8~0.9 micron of range of the partial size of silicon carbide is made, obtains coating Composition.

Embodiment 15

Offer prepares raw material, and the raw material for preparing includes:

Polysilazane, the R of the polysilazane₁For hydrogen-based, R₂For hydrogen-based, R₃For hydrogen-based, the polysilazane accounts for the system The range of the mass percent of standby raw material is 17%,

Polysiloxanes, the R of the polysiloxanes₄For hydrogen-based, R₅For olefine, the polysiloxanes, which accounts for, described prepares raw material Mass percent range be 3%；

1H, 1H, 2H, 2H- perfluor dodecyl triethoxysilane, account for the range of the mass percent for preparing raw material It is 3%；

Paraxylene, the range for accounting for the mass percent for preparing raw material is 51%；

Silicon carbide, the range for accounting for the mass percent for preparing raw material is 25%, the model of the partial size of the silicon carbide Enclose is 0.2~0.3 micron；

Triethylenediamine, the range for accounting for the mass percent for preparing raw material is 1%.

Triethylenediamine is added into the polysiloxanes and polysilazane, is stirred with 1600 revs/min of speed It mixes, triethylenediamine can promote the copolyreaction between polysiloxanes and polysilazane, and it is total to generate polysiloxanes-polysilazane Polymers；

After paraxylene is added into the polysiloxanes-polysilazane copolymers, 1H, 1H, 2H, 2H- perfluor are added Dodecyl triethoxysilane and silicon carbide are stirred with 2600 revs/min of speed, coating composition are made.

Embodiment 16

Offer prepares raw material, and the raw material for preparing includes:

Polysilazane, the R of the polysilazane₁For hydrogen-based, R₂For alkane, R₃For hydrogen-based, the polysilazane accounts for the system The range of the mass percent of standby raw material is 12%,

Polysiloxanes, the R of the polysiloxanes₄For alkylamino radical, R₅For olefine, it is former that the polysiloxanes accounts for the preparation The range of the mass percent of material is 3%；

Paraxylene, the range for accounting for the mass percent for preparing raw material is 56%；

Silicon carbide, the range for accounting for the mass percent for preparing raw material is 25%, the model of the partial size of the silicon carbide Enclose is 1~2 micron；And

Polysilazane and polysiloxanes are placed in reactor, polysilazane and poly- silicon oxygen are mixed with 400 revs/min of speed Alkane；

Triethylenediamine is added into the polysiloxanes and polysilazane, is stirred with 1800 revs/min of speed It mixes, triethylenediamine can promote the copolyreaction between polysiloxanes and polysilazane, and it is total to generate polysiloxanes-polysilazane Polymers；

Paraxylene and 1H, 1H, 2H, 2H- perfluor dodecyl three are added into the polysiloxanes-polysilazane copolymers After Ethoxysilane, silicon carbide is added, is stirred with 3000 revs/min of speed, coating head product is made；

Coating head product is ground, the range of the partial size of silicon carbide is made to reach 0.21~0.32 micron, is made The coating composition.

Embodiment 17

Offer prepares raw material, and the raw material for preparing includes:

Polysilazane, the R of the polysilazane₁For hydrogen-based, R₂For alkane, R₃For hydrogen-based, the polysilazane accounts for the system The range of the mass percent of standby raw material is 7%,

Paraxylene, the range for accounting for the mass percent for preparing raw material is 61%；

Silicon carbide, the range for accounting for the mass percent for preparing raw material is 25%, the model of the partial size of the silicon carbide Enclose is 1~2 micron；

Polysilazane and polysiloxanes are placed in reactor, polysilazane and poly- silicon oxygen are mixed with 450 revs/min of speed Alkane；

Triethylenediamine is added into the polysiloxanes and polysilazane, is stirred with 2000 revs/min of speed It mixes, triethylenediamine can promote the copolyreaction between polysiloxanes and polysilazane, and it is total to generate polysiloxanes-polysilazane Polymers；

Coating head product is ground, the range of the partial size of silicon carbide is made to reach 0.2~0.3 micron, institute is made State coating composition.

By the coating composition as obtained by above-described embodiment 1-17 in substrate, coating is formed, sample is obtained, can order Entitled sample 1, sample 2..... sample 17, to the hardness of the coating of sample 1-17, adhesion temperature tolerance and water contact angle into Row test, test result please join table 1.

The physical property measurement result of 1 coating of table

The hardness of sample 1-17 is tested according to GB/T 6739-1996 (hardness of film method of testing), shows sample 1- The range of 17 hardness is 6~9H, shows that sample 1-17 all has preferable hardness.

The adhesion of sample 1-17 is tested according to GB/T 9286 (adhesive force method of testing), display sample 1-17's The attachment of hundred lattice can reach 0 grade, show that the adhesion of sample 1-17 is also preferable.

The weightlessness of sample 1-17 is tested according to GB/T 9286 (temperature tolerance test method), display sample 1-17's is resistance to Warm nature is also preferable.

It is tested using water contact angle of the shape image analysis method to sample 1-17, the water contact angle of sample 1-17 is big In 90 °, show the advantages of sample 1-17 all has easy cleaning.

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 the siloxanes of the side chain containing low-surface-energy, the polysilazane and polysiloxanes are copolymerized generation polysilazane-poly- silicon Siloxane copolymers, the siloxanes of the side chain containing low-surface-energy are mixed with the polysilazane-polysiloxane copolymer.

2. coating composition as described in claim 1, which is characterized in that the polysilazane accounts for the quality for preparing raw material The range of percentage be 6~96.99%, the polysiloxanes account for the mass percent for preparing raw material range be 3~ 74%, the range that the siloxanes of the side chain containing low-surface-energy accounts for the mass percent for preparing raw material is 0.01~20%.

3. coating composition as described in claim 1, which is characterized in that the siloxanes of the side chain containing low-surface-energy is selected from three Ethyoxyl [4- (trifluoromethyl) phenyl] silane, the fluoro- N- octyl silane of triethoxy -1H, 1H, 2H, 2H- 13,1,3- it is bis- (3, 3,3- trifluoro propyls) -1,1,3,3- tetramethyl disiloxane, 3- (seven fluorine isopropoxies) propyl-triethoxysilicane, phenyl-pentafluoride Ethyl triethoxy silicane alkane, 1H, 1H, 2H, 2H- perfluoro decyl triethoxysilane, a fluorine triethoxysilane, trifluoromethyl tetrafluoro Phenyl triethoxysilane, 1H, 1H, 2H, 2H- perfluor dodecyl triethoxysilane, perfluorooctylethyl group trisiloxanes, 1H, 1H, 2H, 2H- perfluoro decyl triethoxysilane, 1H, 1H, 2H, 2H- perfluor heptadecane dimethylsilane, 1H, 1H, 2H, 2H- are complete Fluorine octyl trimethoxy silane, 1- (perfluor-n- octyl) silane, 1,1,2,2- tetrahydro perfluoro capryl silane, 1H, 1H, 2H, 2H- Perfluor dodecyl triethoxysilane, 1H, 1H, 2H, 2H- perfluoro decyl trimethoxy silane, trimethoxy (1H, 1H, 2H, 2H- Perfluoro hexyl) silane, trimethyl (perfluoro-ethyl) silane, diisopropyl-(1H, 1H, 2H, 2H- perfluoro capryl) silane, Ji Eryi At least one of propyl-(1H, 1H, 2H, 2H- perfluoro hexyl) silane.

4. 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 alkylamino radical, R₂ For hydrogen-based, alkane, cycloalkane, olefine, aryl, alkoxy, alkyl siloxy or alkylamino radical, R₃For hydrogen-based, alkane, cycloalkanes Hydrocarbon, olefine, aryl, alkoxy or alkyl siloxy.

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

6. coating composition as described in claim 1, which is characterized in that the molecular weight of the polysilazane is 100~1000.

7. 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.

8. coating composition as described in claim 1, which is characterized in that the molecular weight of the polysiloxanes is 100~1300.

9. such as the described in any item coating compositions of claim 2-8, which is characterized in that the coating composition prepares raw material It further include solvent, the range that the solvent accounts for the mass percent of the coating composition is 10~66%, and the solvent is selected from At least one of alkane solvents, ether solvent, ketones solvent and benzenesulfonamide derivative species solvent.

10. coating composition as claimed in claim 9, which is characterized in that the alkane solvents are selected from n-hexane, just pungent At least one of alkane, n-decane, chloroform, methylene chloride, dichloroethylene and mineral oil are a variety of；The ether solvent Selected from least one of ether, petroleum ether and butyl oxide；The ketones solvent is selected from acetone, methyl ethyl ketone, cyclohexanone and different At least one of phorone；The benzenesulfonamide derivative species solvent is selected from toluene, meta-xylene, paraxylene, ortho-xylene and chlorine At least one of benzene.

11. such as the described in any item coating compositions of claim 2-8, which is characterized in that the preparation of the coating composition is former Material further includes catalyst, and the range that the catalyst accounts for the mass percent for preparing raw material is 0.01~5%, the catalysis Agent is amines catalyst and/or metal-based catalysts.

12. coating composition as claimed in claim 11, which is characterized in that the amines catalyst is selected from fatty amine, alicyclic ring One of race's amine, hydramine and aromatic amine are a variety of, and the fatty amine is in diethylamine, triethylamine and triethylene tetramine It is at least one；The cycloaliphatic amines are selected from least one of triethylenediamine, piperazine, piperidines and morpholine；The hydramine choosing 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.

13. coating composition as claimed in claim 11, 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.

14. such as the described in any item coating compositions of claim 2-8, which is characterized in that the preparation of the coating composition is former Material further includes filler, and the range that the filler accounts for the mass percent for preparing raw material is 1~50%, and the filler is selected from carbon SiClx, aluminium oxide, titanium oxide, zinc oxide, magnesia, aluminium hydroxide, white carbon black, concave convex rod, kaolin, bentonite, glass are micro- At least one of ball and ceramic microsphere.

15. coating composition as claimed in claim 9, which is characterized in that the raw material for preparing of the coating composition further includes Filler and catalyst, the range that the filler accounts for the mass percent for preparing raw material is 1~50%, and the catalyst accounts for institute The range for stating the mass percent for preparing raw material is 0.01~5%, and the polysiloxanes and polysilazane account for the Coating material composition The range of the mass percent of object is 10%~80%, and the siloxanes of the side chain containing low-surface-energy accounts for the coating composition The range of mass percent is 0.01%~20%.

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

Offer prepares raw material, described to prepare the siloxanes that raw material includes: polysilazane, polysiloxanes and the side chain containing low-surface-energy；

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

The siloxanes of the side chain containing low-surface-energy is added into the polysilazane-polysiloxane copolymer, the coating group is made Close object.

17. the preparation method of coating composition as claimed in claim 16, which is characterized in that mixing polysilazane and poly- silicon oxygen After alkane, before the siloxanes of the side chain containing low-surface-energy is added in Xiang Suoshu polysilazane-polysiloxane copolymer, the Coating material composition The preparation method of object further include: the step of catalyst is added into polysilazane and polysiloxanes, wherein the catalyst accounts for institute The range for stating the mass percent for preparing raw material is 0.01~5%, and the catalyst is that amines catalyst and/or metal class are catalyzed Agent.

18. the preparation method of coating composition as claimed in claim 16, 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.

19. the preparation method of coating composition as claimed in claim 16, which is characterized in that generate the poly- silicon oxygen of polysilazane- After alkyl copolymer, the preparation method of the coating composition further include: filler is added into polysilazane-polysiloxane copolymer The step of, wherein the range that the filler accounts for the mass percent for preparing raw material is 1~50%, and the filler is selected from carbon SiClx, aluminium oxide, titanium oxide, zinc oxide, magnesia, aluminium hydroxide, white carbon black, concave convex rod, kaolin, bentonite, glass are micro- At least one of ball and ceramic microsphere.

20. a kind of coating piece, which is characterized in that the coating piece includes matrix and the coating for being formed in matrix surface, the painting Contain the coating composition as described in any one of claim 1-15 in layer.

21. coating piece as claimed in claim 20, which is characterized in that the range of the thickness of the coating is 1~100 micron.

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

Matrix and the coating composition as described in any one of claim 1-15 are provided；

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

23. 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 20-21 Cover part.