CN104974559B - The coating and its application method and product of a kind of easy to clean and service life length - Google Patents
The coating and its application method and product of a kind of easy to clean and service life length Download PDFInfo
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- CN104974559B CN104974559B CN201510404199.9A CN201510404199A CN104974559B CN 104974559 B CN104974559 B CN 104974559B CN 201510404199 A CN201510404199 A CN 201510404199A CN 104974559 B CN104974559 B CN 104974559B
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Abstract
A kind of to be attached to that other substrate surfaces are easy to clean and the coating of service life length, the material composition of the coating includes amorphous silicon di-oxide and filler, and shown amorphous silicon di-oxide accounts for the mass percent of the coating gross mass not less than 15.59%.The present invention proposes a kind of to be attached to that other substrate surfaces are easy to clean and the coating and its application method of service life length, coating has extremely strong antiacid alkali etch resistant properties, and coating durability is high, and application method is simple to operate, make coating structure more stable, extend the life-span of coating.Originally return and propose a kind of hardware sanitary equipment, coated with above-mentioned coating, hardware high surface hardness, high abrasion degree, ageing-resistant, service life length.
Description
Technical field
The present invention relates to coated coating technical field, more particularly to the coating of a kind of easy to clean and service life length and its
Application method and product.
Background technology
The economic loss caused by metal erosion accounts for the 4% of national product every year in China, alreadys exceed fire, disaster caused by a windstorm is made
Aseptic technic into the summation of loss, therefore metal has been subjected to the great attention of people.One layer of anti-corrosion is coated in metal surface
Coating is a kind of effective anti-corrosion of metal technology.For hardware sanitary equipment, fingerprint easy to clean and food stains, and salt tolerant
The corrosion of mist, acid and/or food sauce is also very important performance, and has certain thickness painting in five gold surface applying implenents
Layer, can meet some foregoing demands at least in part.
Currently, has there is some solvent type polymer coating products, such as the NT5300 from Taiwan in the market, comes
Alpha337 from Singapore, etc..Early-stage Study finds that acidified coating is equal coated on the coating that five gold surfaces are formed
Show good performance easy to clean.However, the coating is for the food such as salt fog, acid and soy sauce, thick chilli sauce, catsup
The corrosion resistance of sauce is still not ideal enough.
Accordingly, it is desirable to provide the hardware sanitary ware product of a kind of easy to clean and service life length, in the painting that its surface is formed
Layer is more preferable to the property easy to clean of fingerprint and food stains, is more resistant to the corrosion of salt fog, acid.
The content of the invention
It is an object of the invention to propose it is a kind of be attached to that other substrate surfaces are easy to clean and the coating of service life length,
Coating has extremely strong antiacid alkali etch resistant properties, coating durability height.
It is simple to operate it is another object of the present invention to propose to apply the method to form above-mentioned coating in substrate surface,
Make coating structure more stable, extend the life-span of coating.
It is another object of the present invention to propose a kind of hardware sanitary equipment, coated with above-mentioned coating, hardware high surface hardness,
High abrasion degree, ageing-resistant, service life length.
To use following technical scheme up to this purpose, the present invention：
It is a kind of to be attached to that other substrate surfaces are easy to clean and the coating of service life length, it is characterised in that：The coating
Material composition include amorphous silicon di-oxide and filler, the amorphous silicon di-oxide accounts for the quality hundred of the coating gross mass
Fraction is not less than 15.59%.
Illustrate further, the base material is in metal, natural or artificial stone, ceramics, glass, high-molecular organic material
Any one or more is compound.
Illustrate further, the coating is applied made of inorganic nano silicon dioxide gel is as film forming agent and filler
Material forms coated in substrate surface solidification.
Illustrate further, the coating includes the component of following mass percent：30-95% film forming agents, 1-65% are filled out
Material and 0.05-8% regulators, the film forming agent include Nano-meter SiO_22, colloid chemistry stabilizer and alcohol solvent；The filler is
Inorganic colourant；The regulator includes dispersion stabilizer, levelling agent and evaporation rate conditioning agent.
Illustrate further, the coating is applied made of inorganic nano silicon dioxide gel is as film forming agent and filler
Material forms coated in material surface solidification.
Illustrate further, the coating includes the component of following mass percent：30-95% film forming agents, 1-65% are filled out
Material and 0.05-8% regulators, the film forming agent include Nano-meter SiO_22, colloid chemistry stabilizer and alcohol solvent；The filler is
Inorganic colourant；The regulator includes dispersion stabilizer, levelling agent and evaporation rate conditioning agent.
Illustrate further, the content of organic high molecular compound is less than 0.5% in the film forming agent, metal ion content
Less than 80PPM.
Illustrate further, a kind of that the method to form coating as described above is applied in substrate surface, it includes following step
Suddenly：
A, coating preparation：Film forming agent, filler and regulator progress mixing and ball milling are prepared into inorganic nano by proportioning to apply
Material；
B, apply：Inorganic nano paint is coated on substrate surface；
C, dry：Sanitary equipment of the step B coated with inorganic nano paint are dried, obtain the product with inorganic coating.
Illustrate further, it is a kind of that the method to form coating as described above, the system of step A coating are applied in substrate surface
It is standby to comprise the following steps：
(1) by inorganic filler with it is appropriate match with and the compatible solvent of film forming agent, i.e. monohydric alcohol of the carbon number no more than 5
One or more of compounds and dispersant, sagging inhibitor mixing after ultra-fine 0.5~48h of ball milling, obtain inorganic filler slurry；
(2) will be mixed through inorganic filler slurry, film forming agent, evaporation rate regulator and the levelling agent that step (1) obtains by proportioning
Be put in after conjunction high shear mixers or ball mill or with ultrasonic vibration function blade stirrer equipment in mix 10min~
72h；
(3) will be through slurry that step (2) obtain by being filtered more than or equal to 200 mesh standard sieves, filtrate is inorganic coating.
Illustrate further, the heating curves dried in step C is：40~50 DEG C of 10~20min of insulation；It is warming up to 70~
85 DEG C, it is incubated 10~15min；115~130 DEG C are warming up to, is incubated 15~30min；It is warming up to 180~250 DEG C, insulation 10~
60min, cool to the furnace and taken out close to after room temperature.
A kind of hardware sanitary equipment, the hardware sanitary equipment surface attachment have above-mentioned coating.
Beneficial effects of the present invention：1st, it is resistance to as the high surface hardness of the inorganic coating of film forming agent, height using full-inorganic material
It is grit, ageing-resistant, extend the service life of product；2nd, there is anti-soil, oil resistant, the superperformance of water resistant, improve coated base
The cleaning of material；3rd, there is larger intensity, do not allowed destructible by coating during external impacts or come off；4th, production method is simple,
Be advantageous to the structure of stable coatings, extend the life-span of coating.
Brief description of the drawings
Fig. 1 is the surface X-ray diffraction pattern of one embodiment of the present of invention.
Embodiment
Technical scheme is further illustrated by embodiment below in conjunction with the accompanying drawings.
It is a kind of to be attached to that other substrate surfaces are easy to clean and the coating of service life length, the material composition bag of the coating
Amorphous silicon di-oxide and filler are included, the mass percent that shown amorphous silicon di-oxide accounts for the coating gross mass is not less than
15.59%.
The membrane formation mechanism of coating of the present invention is connected by polycondensation between Si-OH, after the completion of baking and curing flow, film
Although internal solvent and other organic principles remove completely, due to steric effect, still there is amount of activated group not complete most
End reaction, its polycondensation process can continue slowly to carry out in use, and this causes the film to be formed for a comparatively long period of time
Hardness, wilfulness may proceed to improve, and increase coating durability, while coating is had " self-healing " to a certain extent
Good properties, service life length.
Illustrate further, the base material is in metal, natural or artificial stone, ceramics, glass, high-molecular organic material
Any one or more is compound.
Illustrate further, the coating is applied made of inorganic nano silicon dioxide gel is as film forming agent and filler
Material forms coated in substrate surface solidification.
Coating coat before solidification is burnt till alternately exists with inorganic nano, there is self-curing feature, and high temperature lower surface is lived
Property film-forming, due to not containing metal ion, coating formed after be full saturated structures, do not corroded by electrophilic dose or oxidant,
One layer is formed on sanitary equipment surface has the extremely strong inorganic coating of antiacid alkali etch resistant properties, extends the service life of hardware sanitary equipment, together
When the inorganic coating effect of good imitative ceramic glaze is played on sanitary equipment surface, the film-formation result of inorganic nano paint is with addition
Filler determines.It is water white transparency glass-like body after inorganic nano paint film forming, refractive property is fabulous, coordinates various colorants, dye
Material, decorative coating, obtain matt, numb light, minute surface, the various decorative effects of ceramic gloss, can also obtain metalloid decoration
Effect.
The coating includes the component of following mass percent：30-95% film forming agents, 1-65% fillers and 0.05-8% are adjusted
Whole dose, the film forming agent includes Nano-meter SiO_22, colloid chemistry stabilizer and alcohol solvent；The filler is inorganic colourant；Institute
Stating regulator includes dispersion stabilizer, levelling agent and evaporation rate conditioning agent, and the wherein composition of regulator is evaporation rate
Regulator 1-5%, levelling agent 0.1-1%, dispersant 0.1-2.5%.
Hardware is coated in the presence of regulator by film forming agent of the purely inorganic nanosized SiO_2 colloidal sol as main film forming component
Surface has good levelability, and in the absence of sealing of hole problem, the smooth film forming of coating is in five gold surfaces.Film forming matter is full-inorganic material,
Without organic resin constituent, the stable not aging of chemical property, high temperature resistant, acid and alkali-resistance salt corrosion；Film forming is tough and tensile, and wearability is good, hard
It is Gu durable.
Wherein in regulator, evaporation rate conditioning agent accounts for the total component 35%-85% of regulator, and levelling agent accounts for 1-20%, point
Dispersion stabilizer accounts for 10%-55%, and the dispersant containing 10-35% wherein in dispersion stabilizer, surplus is sagging inhibitor.Wherein, divide
Dispersion stabilizer is conventional dispersion stabilizer of the inorganic filler in alcohol system, i.e., one end is quiet for that can pass through with inorganic powder surface
The organo-functional group or powered inorganic group that electro ultrafiltration, hydrogen bond action, chemical bond or Van der Waals force combine, the other end contain 2~10
The organic linear of individual carbon atom or multiple-OH ,-COOH, amido, amide groups, the small molecule organic compound of ether (- O-)；Levelling
Agent for containing polysiloxane group (straight or branched) group medium molecule weight polymers or these compounds, fluorocarbons or this
Class compound is through the modified product of polyether polyester；Sagging inhibitor includes the conventional modification for making thickener in various coating industries and glued
Soil, white carbon, modified starch, modified cellulose and cellulose derivative, preferably thing are then fume colloidal silica.The evaporation speed
Degree conditioning agent is alcohols, phenols, amine, amide-type or fluorochemical.
Evaporation rate regulator is containing the easy hydrogen bond and (alkali, organic not with virgin rubber active material and stabilizer of being formed
Salt etc.) reaction low molecular weight organic compound, including alcohols, phenols, amine, amide-type or fluorochemical.
Using nano silicon as the main component of film layer, water or alcohols solvent can be selected to nano silicon in solvent
Carrying out dissolving and obtain inorganic nano colloidal sol, alcohols solvent includes one or more mixtures in the alcohols such as ethanol or propyl alcohol,
Good dissolution is played, burns till volatile during solidification, is not residued in inorganic coating, it is preferably molten from harmless alcohol
Agent, the inorganic nano paint of formation do not construct before be water white transparency, the liquid of the slight milky white gloss of band, be before active ingredient film forming
Nanostructured colloid, chemical property is stable, easy to maintain, and configuration is easy, is easily used.Film forming matter is full-inorganic material, is not contained
Machine resin component, the stable not aging of chemical property, high temperature resistant, acid and alkali-resistance salt corrosion.Coating is full saturated structures after burning till solidification,
With anti-soil, oil resistant, the superperformance of water resistant, the cleaning difficulty of hardware sanitary equipment is reduced, improves its cleaning, and film forming is tough and tensile,
Wearability is good, sturdy and durable, is not allowed destructible by coating during external impacts or come off.
The colloid chemistry stabilizer is with the alkali of volatile attribute when heating or containing only small-molecular-weight organic acid
Salt；The central atom of the alkali or salt is nitrogen, phosphorus, oxygen, sulphur, titanium or bromine.
Any metal cation component is free of in film forming agent composition, instead of alkali as colloid chemistry stabilizer, stablizing effect is good,
Easily removing noresidue, retain the activity of high chemically active ≡ Si-OH or ≡ Si-O- in virgin rubber to greatest extent, the principle of solidification is then
It is the controllability volatilization for coordinating stabilizer in drying process, high activity Si-OH or the Si-O- group being sustained out gradually passes through following
Gradually solidification obtains the tough and tensile film using amorphous SiO2 as main component for reaction.
≡Si-OH+HO-Si≡→≡Si-O-Si≡+H2O↑
In addition, nearly all inorganic particle composition all contains-Me-OH (Me is metallic element or nonmetalloid), these
Powder can form firm combination by above-mentioned mechanism and film forming matter, therefore the application scalability of the present invention is splendid, Ke Yitian
Add various inorganic fillers or the organic filler (molding powder) through hydroxylating, carboxylated processing, obtain the anti-ceramics of various decorative effects
Coating.
Ludox (film forming agent) is made up of amorphous nano silica, colloid chemistry stabilizer, alcohols solvent.In fact one
Material known to kind, it can be obtained by buying, wherein amorphous nano dioxide-containing silica is more than or equal to 40%.In the present invention
In, use the colloid chemistry stabiliser content of organic macromolecule in Ludox to be less than Ludox (film forming agent) gross mass
0.5%.
Coating only leaves the component of amorphous silicon di-oxide and filler after the solidification of coating drying, and other materials volatilize,
Therefore amorphous silicon di-oxide accounts for the minimum mass percentage of the coating gross mass and carries out converting and can obtaining as the following formula：(30%*
40%)/(30%*40%+65%) ≈ 15.59%.Therefore amorphous nano silica accounts for coating in the coating obtained
Mass percent is not less than 15.59%.
Illustrating further, the coating dries 8h at 200 DEG C, then carries out 200~600 DEG C of thermogravimetric analysis (TGA),
Coating weight loss is not higher than the 5% of coating quality.Because the solvent in coating can volatilize in high temperature, and it is wherein organic
High-molecular compound content is low, therefore coating is essentially inorganic material and forms (amorphous nano silica), therefore coating exists
When carrying out thermogravimetric analysis, coating weight loss is not higher than the 5% of membrane substance gross mass.
Illustrate further, nearby have in 2 θ=23 ° in X-ray diffraction (X-RD) collection of illustrative plates of the coating obvious convex
Peak, the hill are made up of multiple tiny diffraction maximums.As shown in Figure 1.X-ray diffraction point is carried out to the inorganic coating
Analysis, as a result to meet the steamed bun peak of SiO2 centers (2 θ=23 °), the composition for showing the inorganic coating is single amorphous state
Silica (SiO2).
Illustrate further, the content of organic high molecular compound is less than 0.5% in the coating, and metal ion content is small
In 80PPM.
The protection of the surface structure of some existing products, more can substrate surface spray a coating, strengthen its it is wear-resisting and
Decay resistance.Existing coating is mostly organic coating, therefore the anti-wear performance of coating is poor, during use easily because friction,
Scrape damage and come off, lose defencive function, it is therefore desirable to which the coating that a kind of barrier propterty is good, and service life is grown is provided.More than in view of
Demand, inorganic coating are necessarily applied, but use in inorganic coating also contain a large amount of organic polymer chemical combination in the prior art
Thing, these compounds can improve the coating property of coating, but it still retains under high-temperature baking, eventually becomes in coating
Material.These organic high molecular compounds can make strength of coating step-down, can not form the inorganic coating of high-strength abrasion-proof.
The present invention program is exactly to be directed to problem above, it is proposed that is attached to that other substrate surfaces are easy to clean and service life
Long coating, its coating be by inorganic nano SiO2 colloidal sols as film forming agent inorganic nano paint in its surface coating curing and
Into, and the content of organic high molecular compound is less than 0.5% in film forming agent, and metal ion content is less than 80PPM.Such shape
Into inorganic coating be mainly made up of inorganic nano silica, and wherein organic high molecular compound content is extremely low, right
Strength of coating influence it is small, using the characteristic such as the high intensity of inorganic nano silica, wear-resisting make hardware sanitary equipment have it is easy to clean and
The characteristic of service life length.
The atomic absorption spectrum detection metallicity impurity component content of the inorganic coating is less than or equal to 80PPM.Invention institute
The inorganic coating on the hardware sanitary equipment surface obtained is a kind of new material using full-inorganic material as film forming agent, wherein except regulator
(belonging to volatile small molecule organic material) and mineral filler (adding organic additive unless there are special requirement) are free of other outside
Macromolecule filming thing composition, organic residue is free of after the completion of solidification, this is this product high surface hardness, high abrasion degree, resistance to old
The root of change.
The inorganic nano paint is coated on the surface of the hardware sanitary equipment by the way of dip-coating or showering or coating.Institute
Stating coating method includes atomization coating or electrostatic coating mode.Wherein, electrostatic coating mode, which is more suitable for coating, has irregularly
The hardware sanitary equipment of shape, surface coating effect are more homogeneous.
Illustrate further, a kind of that the method to form coating described above is applied in substrate surface, it comprises the following steps：
A, coating is prepared：Film forming agent, filler and regulator progress mixing and ball milling are prepared into inorganic nano by proportioning to apply
Material；
B, pre-treatment：Substrate surface is roughened, clean and drying process (this step is selection process, this area skill
Art personnel should be understood that it is optional step)；
C, coat：Inorganic nano paint is coated on substrate surface；
D, levelling and surface adjustment：The step C hardware sanitary equipment obtained are positioned in 15-30 DEG C of dust free room and carry out levelling
And it is partially dried, less than 80%, (this step is selection process to dustless indoor humidity, it should be understood by those skilled in the art that it is non-
Necessary step)；
E, baking and curing：The product adjusted through levelling is placed in dustless drying curing box, heated；
F, cool to the furnace and taken out close to after room temperature, obtain the product with inorganic coating.
Illustrate further, the preparation of step A coating comprises the following steps：
(1) by inorganic filler with it is appropriate match with and the compatible solvent of film forming agent, i.e. monohydric alcohol of the carbon number no more than 5
One or more of compounds, such as absolute alcohol, propyl alcohol (these are all volatile substances, thus when coating is dried its
Can volatilize, will not be remained in resurfacing), ultra-fine 0.5~48h of ball milling, obtains inorganic filler after being mixed with dispersant, sagging inhibitor
Slurry, the addition of wherein solvent account for the mass percent of inorganic filler slurry no less than 33%；
(2) will be mixed through inorganic filler slurry, film forming agent, evaporation rate regulator and the levelling agent that step (1) obtains by proportioning
Be put in after conjunction high shear mixers or ball mill or with ultrasonic vibration function blade stirrer equipment in stir 10min~
72h；
(3) will be through slurry that step (2) obtain by being filtered more than or equal to 200 mesh standard sieves, filtrate is inorganic coating.
It should be noted that Ball-milling Time is according to raw material dynamics composition, scattered complexity adjustment grinding ball in step (1)
Material ratio, grinding concentration and anti-settling agent, dispersive agent ratio determine.
Sandblasting, soda acid chemistry microcorrosion method processing hardware sanitary equipment surface can be used, strengthen adhesion, increase sanitary equipment surface with
The surface area of inorganic nano paint contact.Hardware sanitary equipment coated with coating, which are positioned in 15-30 DEG C of dust free room, to be dried
Levelling and surface adjustment；The product of dustless standing coating treatment under temperate condition, make the automatic levelling of coating act on obtaining it is bright and clean
Property surface, coating and levelling process should be carried out in dust free room, control 15~30 DEG C of room temperature condition, temperature is too high to cause solvent
Evaporation rate is too fast to cause cracking, pit, pin hole, too low, and levelling can be caused excessive, influence non-planar articles face coat
Thickness evenness, cause shaded effect poor, sunburner and the symptom such as ftracture；Damp condition should be controlled less than 80%, otherwise held
The dew condensation phenomenon for having water due to solvent evaporation process floating coat surface is easily caused, causes coating because what is be polluted by water and deteriorate shows
As drying makes the solvent in inorganic nano paint be volatilized.Coating 1-3 times, its coat after the coating that conventional products are 2-3 times
Can reach certain thickness, can natural levelling reach the effect of smooth finish, 1 coating of specialities can enter next work
Sequence.Heating process in step E is：40~50 DEG C of 10~20min of insulation；70~85 DEG C are warming up to, is incubated 10~15min；Rise
Temperature is incubated 15~30min to 115~130 DEG C；180~250 DEG C are warming up to, is incubated 10~60min.During baking and curing, table
The contraction and carry effect collective effect that the controlled volatilization of face region solvent, the effect of surface levelling and solvent volatile zone come, generation is received
Metrical scale projection and depression, greatly reduce film formation surface and extraneous contact area.Nano-colloid particles by heat is activated and removed
Running with lower automatic position adjusting function and and peripheral granule form tough and tensile Si-O-Si keys, form high chemical saturation degree and low surface opened
Power surface.The synergy of two kinds of effects produces the effect of " lotus leaf effect ", coating is possessed hydrophobic antifouling property naturally.
Illustrate further, a kind of hardware sanitary equipment, the hardware sanitary equipment surface is roughened, clean and drying process after,
It is attached with coating as described above.
Inorganic nano paint is coated with hardware sanitary equipment surface, coat is alternately deposited with inorganic nano before solidification is burnt till
, have a self-curing feature, the active curing film forming in high temperature lower surface, due to not containing metal ion, coating formed after be full saturation
Structure, do not corroded by electrophilic dose or oxidant, one layer is formed on sanitary equipment surface has the extremely strong inorganic painting of antiacid alkali etch resistant properties
Layer, extend the service life of hardware sanitary equipment, while the inorganic coating plays the effect of good imitative ceramic glaze, nothing on sanitary equipment surface
The film-formation result of machine nano paint determines with the filler of addition.It is water white transparency glass-like body after inorganic nano paint film forming,
Refractive property is fabulous, coordinates various colorants, dyestuff, decorative coating, obtains matt, numb light, minute surface, the various dresses of ceramic gloss
Effect is adornd, metalloid decorative effect can also be obtained.
Sandblasting, soda acid chemistry microcorrosion method processing hardware sanitary equipment surface can be used, strengthen adhesion, increase sanitary equipment surface with
The surface area of inorganic nano paint contact.Hardware sanitary equipment coated with coating, which are positioned in 15-30 DEG C of dust free room, to be dried
Levelling and surface adjustment；The dustless product for standing coating treatment, makes the automatic levelling of coating act on obtaining under the conditions of temperate condition
Smoothness surface, coating and levelling process should be carried out in dust free room, control 15~30 DEG C of room temperature condition, temperature is too high to be caused
Evaporation rate of solvent is too fast to cause cracking, pit, pin hole, too low, and levelling can be caused excessive, influences the painting of non-planar articles surface
The thickness evenness of layer, causes shaded effect poor, sunburner and the symptom such as ftracture；Damp condition should be controlled less than 80%, no
Then easily cause the dew condensation phenomenon for having water due to solvent evaporation process floating coat surface, cause coating to deteriorate due to being polluted by water
Phenomenon dry the solvent in inorganic nano paint is volatilized.Coating 1-3 times, it is applied after the coating that conventional products are 2-3 times
Coating can reach certain thickness, can natural levelling reach the effect of smooth finish, 1 coating of specialities can enter next
Process.Heating process in step E is：40~50 DEG C of 10~20min of insulation；70~85 DEG C are warming up to, is incubated 10~15min；
115~130 DEG C are warming up to, is incubated 15~30min；180~250 DEG C are warming up to, is incubated 10~60min.In baking process, surface
The contraction and carry effect collective effect that the controlled volatilization of region solvent, the effect of surface levelling and solvent volatile zone come, produce nanometer
Yardstick projection and depression, greatly reduce film formation surface and extraneous contact area.Nano-colloid particles by heat is activated and carried
The lower automatic position adjusting function of effect is simultaneously and peripheral granule forms tough and tensile Si-O-Si keys, forms high chemical saturation degree and low surface tension
Surface.The synergy of two kinds of effects produces the effect of " lotus leaf effect ", coating is possessed hydrophobic antifouling property naturally.
Embodiment 1 --- external coating is the tap of claret
A, each raw material is weighed in following ratios：30% Ludox (film forming agent), 65% filler (the red pearly-lustre of 15% wine
The silica flour of powder+70%) and 5% regulator (wherein, evaporation rate regulator butanol accounts for the mass fraction of the gross mass of regulator
35%, dispersant oleic acid accounts for the mass fraction 35% of the gross mass of regulator, and levelling agent methyl methacrylate accounts for regulator
The mass fraction 10% of gross mass, anti-settling agent organobentonite account for the mass fraction 20% of the gross mass of regulator)；Regulator is equal
For high-temperature volatile material, finally noresidue in the coating.
The preparation of coating：(1) by inorganic filler and absolute alcohol (volatile component, will not be remained in resurfacing), scattered
Ultra-fine 0.5~48h of ball milling after agent, sagging inhibitor mixing, obtains inorganic filler slurry, and the amount of the wherein addition of absolute alcohol accounts for total nothing
The 35% of the mass percent of machine extender paste.
(2) will be mixed through inorganic filler slurry, film forming agent, evaporation rate regulator and the levelling agent that step (1) obtains by proportioning
Be put in after conjunction high shear mixers or ball mill or with ultrasonic vibration function blade stirrer equipment in mix 10min~
72h；
(3) will be through slurry that step (2) obtain by being filtered more than or equal to 200 mesh standard sieves, filtrate is inorganic nano
Coating.
Ludox (film forming agent) is made up of amorphous nano silica, colloid chemistry stabilizer, alcohols solvent.In fact one
Material known to kind, it can be obtained by buying, wherein amorphous nano dioxide-containing silica is more than or equal to 40%.In the present invention
In, use the colloid chemistry stabiliser content of organic macromolecule in Ludox to be less than Ludox (film forming agent) gross mass
0.5%.
Used filler is inorganic material, and regulator is volatile material, therefore remain in the coating
The macromolecule organic for being difficult to volatilize at normal temperatures is extremely low, ensures coating performance.
B, pre-treatment：Faucet surface is roughened, cleaned and drying process；
C, coat：Inorganic nano paint is coated on tap sanitary equipment surface；
D, levelling and surface adjustment：The step C tap sanitary equipment obtained are positioned in 30 DEG C of dust free room and carry out levelling
And it is partially dried, dustless indoor humidity is less than 80%；
E, baking and curing：The hardware sanitary equipment adjusted through levelling are placed in dustless drying curing box, heated.
F, cool to the furnace and taken out close to after room temperature, obtain the tap that external coating is claret, coating hardness test, lead
Hardness test, 3H is without vestige, and salt fog resistance 1200hr is unchanged, and humidity resistance 540hr is unchanged.
Embodiment 2 --- external coating color is simple and elegant golden glass stand
A, each raw material is weighed in following ratios：(leaf of 40% lithopone+30% is green for 45% Ludox, 50% filler
It is yellow) and 5% regulator (wherein, evaporation rate regulator sec-butyl alcohol accounts for the mass fraction 70% of the gross mass of regulator, dispersant
Polysorbas20 accounts for the mass fraction 3% of the gross mass of regulator, and levelling agent methyl methacrylate accounts for the matter of the gross mass of regulator
Fraction 7% is measured, anti-settling agent meteorology white carbon accounts for the mass fraction 20% of the gross mass of regulator)；
The preparation of coating：(1) ultra-fine ball milling 0.5 after inorganic filler is mixed with absolute alcohol, dispersant, sagging inhibitor~
48h, obtains inorganic filler slurry, and the amount of the wherein addition of absolute alcohol accounts for the 33% of the mass percent of total inorganic filler slurry.
(2) will be mixed through inorganic filler slurry, film forming agent, evaporation rate regulator and the levelling agent that step (1) obtains by proportioning
Be put in after conjunction high shear mixers or ball mill or with ultrasonic vibration function blade stirrer equipment in mix 10min~
72h；
(3) will be through slurry that step (2) obtain by being filtered more than or equal to 200 mesh standard sieves, filtrate is inorganic nano
Coating.
B, pre-treatment：Glass stand metal surface is roughened, cleaned and drying process；
C, coat：Inorganic nano paint is coated on glass stand metal surface；
D, levelling and surface adjustment：To step C obtain glass stand metal be positioned in 25 DEG C of dust free room carry out levelling and
Partially dried, dustless indoor humidity is less than 80%；
E, baking and curing：The hardware sanitary equipment adjusted through levelling are placed in dustless drying curing box, heated.
F, cool to the furnace and taken out close to after room temperature, obtain the tap that external coating is claret, coating hardness test, lead
Hardness test, 3H is without vestige, and salt fog resistance 1250hr is unchanged, and humidity resistance 553hr is unchanged.
Embodiment 3 --- external coating color is argenteous towel rack
A, each raw material is weighed in following ratios：70% Ludox, 22% filler (flake aluminum) and 8% regulator
(wherein, evaporation rate regulator butyl cellosolve accounts for the mass fraction 50% of the gross mass of regulator, dispersant oleic acid and different
Butyl triethoxysilane accounts for the mass fraction 19% of the gross mass of regulator, and levelling agent dimethyl silicone polymer 2000 accounts for adjustment
The mass fraction 1% of the gross mass of agent, anti-settling agent polyamide wax account for the mass fraction 30% of the gross mass of regulator)；
The preparation of coating：(1) ultra-fine ball milling 0.5 after inorganic filler is mixed with absolute alcohol, dispersant, sagging inhibitor~
48h, obtains inorganic filler slurry, and the amount of the wherein addition of absolute alcohol accounts for the 40% of the mass percent of total inorganic filler slurry.
(2) will be mixed through inorganic filler slurry, film forming agent, evaporation rate regulator and the levelling agent that step (1) obtains by proportioning
Be put in after conjunction high shear mixers or ball mill or with ultrasonic vibration function blade stirrer equipment in mix 10min~
72h；
(3) will be through slurry that step (2) obtain by being filtered more than or equal to 200 mesh standard sieves, filtrate is inorganic nano
Coating.
B, pre-treatment：Glass stand metal surface is roughened, cleaned and drying process；
C, coat：Inorganic nano paint is coated on glass stand metal surface；
D, levelling and surface adjustment：To step C obtain glass stand metal be positioned in 20 DEG C of dust free room carry out levelling and
Partially dried, dustless indoor humidity is less than 80%；
E, baking and curing：The hardware sanitary equipment adjusted through levelling are placed in dustless drying curing box, heated.
F, cool to the furnace and taken out close to after room temperature, it is argenteous towel rack to obtain external coating color, and coating hardness is surveyed
Examination, pencil hardness test, 3H is without vestige, and salt fog resistance 1300hr is unchanged, and humidity resistance 565hr is unchanged.
Embodiment 4 --- external coating color is elegant black water tank button
A, each raw material is weighed in following ratios：75% Ludox, 17% filler (15%Fe3O4+1% graphite+
5% biotite) and 8% regulator (wherein, evaporation rate regulator butanol accounts for the mass fraction of the gross mass of regulator
43.75%, dispersant oleic acid accounts for the mass fraction 18.75% of the gross mass of regulator, and levelling agent methyl methacrylate accounts for tune
The mass fraction 20% of whole dose of gross mass, anti-settling agent organobentonite account for the mass fraction 17.5% of the gross mass of regulator)；
The preparation of coating：(1) ultra-fine ball milling 0.5 after inorganic filler is mixed with absolute alcohol, dispersant, sagging inhibitor~
48h, obtains inorganic filler slurry, and the amount of the wherein addition of absolute alcohol accounts for the 38% of the mass percent of total inorganic filler slurry.
(2) will be mixed through inorganic filler slurry, film forming agent, evaporation rate regulator and the levelling agent that step (1) obtains by proportioning
Be put in after conjunction high shear mixers or ball mill or with ultrasonic vibration function blade stirrer equipment in mix 10min~
72h；
(3) will be through slurry that step (2) obtain by being filtered more than or equal to 200 mesh standard sieves, filtrate is inorganic nano
Coating.
B, pre-treatment：Glass stand metal surface is roughened, cleaned and drying process；
C, coat：Inorganic nano paint is coated on glass stand metal surface；
D, levelling and surface adjustment：To step C obtain glass stand metal be positioned in 20 DEG C of dust free room carry out levelling and
Partially dried, dustless indoor humidity is less than 80%；
E, baking and curing：The hardware sanitary equipment adjusted through levelling are placed in dustless drying curing box, heated.
F, cool to the furnace and taken out close to after room temperature, it is argenteous towel rack to obtain external coating color, and coating hardness is surveyed
Examination, pencil hardness test, 3H is without vestige, and salt fog resistance 1270hr is unchanged, and humidity resistance 600hr is unchanged.
Embodiment group A
A, the corresponding proportioning of according to the form below 1-3 sequence numbers is weighed Ludox, filler and regulator, the preparation of coating：
(1) ultra-fine 0.5~48h of ball milling after inorganic filler is mixed with absolute alcohol, dispersant, sagging inhibitor, inorganic filler slurry is obtained,
The amount of the wherein addition of absolute alcohol accounts for the 35% of the mass percent of total inorganic filler slurry.
(2) will be mixed through inorganic filler slurry, film forming agent, evaporation rate regulator and the levelling agent that step (1) obtains by proportioning
Be put in after conjunction high shear mixers or ball mill or with ultrasonic vibration function blade stirrer equipment in mix 10min~
72h；
(3) will be through slurry that step (2) obtain by being filtered more than or equal to 200 mesh standard sieves, filtrate is inorganic nano
Coating, it is standby；
The filler of table 1, Ludox and regulator account for the proportioning table of the mass fraction of coating gross mass
The evaporation rate regulator of table 2, levelling agent and dispersion stabilizer account for the mass fraction proportioning table of regulator gross mass
The dispersant of table 3 and anti-settling agent account for the mass fraction proportioning table of dispersion stabilizer gross mass
| Sequence number | Dispersant | Anti-settling agent |
| A1 | 10% oleic acid | 90% meteorological white carbon |
| A2 | 15% oleic acid | 85% organobentonite |
| A3 | 18% polysorbas20 (polyoxyethylene 20 sorbitan monolaurate) | 82% polyamide wax |
| A4 | 20% (isobutyl triethoxy silane of 10% oleic acid+10%) | 80% meteorological white carbon |
| A5 | 22% oleic acid | 78% polyamide wax |
| A6 | 25% (isobutyl triethoxy silane of 13% oleic acid+12%) | 75% meteorological white carbon |
| A7 | 28% polysorbas20 | 72% organobentonite |
| A8 | 30% polysorbas20 | 70% polyamide wax |
| A9 | 32% (isobutyl triethoxy silane of 12% oleic acid+20%) | 68% meteorological white carbon |
B, pre-treatment：Hardware tap metal surface is roughened, cleaned and drying process；
C, coat：Inorganic nano paint is coated on hardware tap metal surface；
D, levelling and surface adjustment：To step C obtain glass stand metal be positioned in 20 DEG C of dust free room carry out levelling and
Partially dried, dustless indoor humidity is less than 80%；
E, baking and curing：The hardware sanitary equipment adjusted through levelling are placed in dustless drying curing box, heated.
F, cool to the furnace and taken out close to after room temperature, carry out product quality detection, experimental result see the table below 4.
Table 4 obtains the performance test results of hardware products
| Sequence number | Product appearance | Pencil hardness test | Salt fog resistance | Humidity resistance |
| 1 | Transparent black | 4H is without vestige | 1270hr is unchanged | 600hr is unchanged |
| 2 | It is bronze | 4H is without vestige | 1265hr is unchanged | 580hr is unchanged |
| 3 | Claret | 4H is without vestige | 1250hr is unchanged | 567hr is unchanged |
| 4 | Black | 4H is without vestige | 1237hr is unchanged | 573hr is unchanged |
| 5 | Silvery white | 3H is without vestige | 1270hr is unchanged | 580hr is unchanged |
| 6 | Black | 3H is without vestige | 1245hr is unchanged | 567hr is unchanged |
| 7 | Claret | 3H is without vestige | 1235hr is unchanged | 550hr is unchanged |
| 8 | Claret | 3H is without vestige | 1240hr is unchanged | 567hr is unchanged |
| 9 | Jin Tongse | 3H is without vestige | 1260hr is unchanged | 553hr is unchanged |
The technical principle of the present invention is described above in association with specific embodiment.These descriptions are intended merely to explain the present invention's
Principle, and limiting the scope of the invention can not be construed in any way.Based on explanation herein, the technology of this area
Personnel would not require any inventive effort the other embodiments that can associate the present invention, and these modes are fallen within
Within protection scope of the present invention.
Claims (7)
- It is attached to that other substrate surfaces are easy to clean and the coating of service life length 1. a kind of, it is characterised in that：The coating Material composition includes amorphous silicon di-oxide and filler, and the amorphous silicon di-oxide accounts for the quality percentage of the coating gross mass Number is not less than 15.59%；The coating be made of inorganic nano silicon dioxide gel is as film forming agent and filler applying coating in substrate surface Solidification forms；The atomic absorption spectrum detection metallicity impurity component content of the coating is less than or equal to 80PPM；The coating includes the component of following mass percent：30-95% film forming agents, 1-65% fillers and 0.05-8% adjustment Agent, the film forming agent include Nano-meter SiO_22, colloid chemistry stabilizer and alcohol solvent；The filler is inorganic colourant；It is described Regulator includes dispersion stabilizer, levelling agent and evaporation rate conditioning agent, wherein the dispersion stabilizer includes dispersant and prevented Sedimentation agent.
- 2. it is according to claim 1 it is a kind of be attached to that other substrate surfaces are easy to clean and the coating of service life length, its It is characterised by：The base material is any one in metal, natural or artificial stone, ceramics, glass, high-molecular organic material or more Kind is compound.
- 3. it is according to claim 1 it is a kind of be attached to that other materials surface is easy to clean and the coating of service life length, its It is characterised by：The content of organic high molecular compound is less than 0.5% in the film forming agent, and metal ion content is less than 80PPM.
- 4. a kind of apply the method to form coating as claimed in claim 3 in substrate surface, it comprises the following steps：A, coating preparation：Film forming agent, filler and regulator progress mixing and ball milling are prepared into inorganic nano paint by proportioning；B, coat：Inorganic nano paint is coated on substrate surface；C, dry：Sanitary equipment of the step B coated with inorganic nano paint are dried, obtain the product with inorganic coating.
- 5. it is according to claim 4 it is a kind of the method to form coating as claimed in claim 1 is applied in substrate surface, it is special Sign is：The preparation of step A coating comprises the following steps：(1) by inorganic filler with it is appropriate match with and the compatible solvent of film forming agent, i.e. carbon number be no more than the one of 5 monohydric alcohol Ultra-fine 0.5~48h of ball milling after kind or several compounds and dispersant, sagging inhibitor mixing, obtains inorganic filler slurry；(2) will be after inorganic filler slurry, film forming agent, evaporation rate regulator and the levelling agent that step (1) obtains be mixed by proportioning Be put in high shear mixers or ball mill or with ultrasonic vibration function blade stirrer equipment in mix 10min~72h；(3) will be through slurry that step (2) obtain by being filtered more than or equal to 200 mesh standard sieves, filtrate is inorganic coating.
- 6. it is according to claim 4 it is a kind of the method to form coating as claimed in claim 1 is applied in substrate surface, it is special Sign is：The heating curves dried in step C is：40~50 DEG C of 10~20min of insulation；It is warming up to 70~85 DEG C, insulation 10~ 15min；115~130 DEG C are warming up to, is incubated 15~30min；180~250 DEG C are warming up to, is incubated 10~60min, furnace cooling Extremely taken out close to after room temperature.
- A kind of 7. hardware sanitary equipment, it is characterised in that：The hardware sanitary equipment surface attachment is just like any one institute in claim 1-3 The coating stated.
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