CN104974559A - Easy-cleaning and long-service life coating, use method and product thereof - Google Patents
Easy-cleaning and long-service life coating, use method and product thereof Download PDFInfo
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- CN104974559A CN104974559A CN201510404199.9A CN201510404199A CN104974559A CN 104974559 A CN104974559 A CN 104974559A CN 201510404199 A CN201510404199 A CN 201510404199A CN 104974559 A CN104974559 A CN 104974559A
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Abstract
The invention relates to a coating with characteristics of easy attachment on the surface of other substrates, easy cleaning and long service life, wherein the materials of the coating comprise amorphous silica and a filler, and the amorphous silica mass content is not less than 15.59% of the total mass of the coating. According to the present invention, the coating with characteristics of easy attachment on the surface of other substrates, easy cleaning and long service life, and the use method thereof are provided, the coating has characteristics of strong acid resistance, strong alkali resistance, strong corrosion resistance and high coating durability, and the use method has characteristics of simple operation, coating structure stabilizing, and coating service life prolonging. The invention further provides a hardware sanitary appliance coated with the coating, wherein the hardware sanitary appliance has characteristics of high surface hardness, high wear resistance, aging resistance, and long service life.
Description
Technical field
The present invention relates to coated coating technical field, particularly relate to a kind of easy to clean and coating of long service life and using method thereof and product.
Background technology
The financial loss that China causes because of metallic corrosion every year accounts for 4% of national product, and exceeded fire, the damnous summation of disaster caused by a windstorm, therefore the aseptic technic of metal has been subject to the great attention of people.Applying one deck corrosion protection coating in metallic surface is a kind of effective anti-corrosion of metal technology.For five metals sanitary equipment, fingerprint easy to clean and food stains, and salt spray resistance, acid and/or food sauce corrosion be also very important performance, and in five metals surface coated, there is certain thickness coating, more aforesaid demands can be met at least in part.
Current, market there are some solvent type polymer coating products, such as, from the NT5300 in Taiwan, from the Alpha337 of Singapore, etc.Early-stage Study finds that the coating that acidified paint is formed in five metals surface all presents good performance easy to clean.But this coating is still not ideal enough for the erosion resistance of the food sauces such as salt fog, acid and such as soy sauce, hot sauce, tomato-sauce.
Therefore, desirable to provide a kind of easy to clean and five metals sanitary ware product of long service life, the property easy to clean of the coating formed on its surface to fingerprint and food stains better, more tolerates the corrosion of salt fog, acid.
Summary of the invention
The object of the invention is to propose a kind ofly be attached to the easy to clean and coating of long service life of other substrate surface, coating has extremely strong antiacid alkali etch resistant properties, and coating wearing quality is high.
Another object of the present invention is the method proposing to form above-mentioned coating in substrate surface coating, simple to operate, makes coating structure more stable, extends the life-span of coating.
Another object of the present invention is to propose a kind of five metals sanitary equipment, is coated with above-mentioned coating, five metals high surface hardness, high abrasion degree, ageing-resistant, long service life.
For reaching this object, the present invention by the following technical solutions:
A kind ofly be attached to the easy to clean and coating of long service life of other substrate surface, it is characterized in that: the material composition of described coating comprises amorphous silicon di-oxide and filler, and the mass percent that described amorphous silicon di-oxide accounts for described coating total mass is not less than 15.59%.
Illustrate further, described base material is any one or multiple compound in metal, natural or artificial stone-like material, pottery, glass, organic polymer material.
Illustrate further, described coating is that the applying coating be made up as membrane-forming agent and filler of inorganic nano silicon dioxide gel solidifies at substrate surface and forms.
Illustrate further, described coating comprises the component of following mass percent: 30-95% membrane-forming agent, 1-65% filler and 0.05-8% adjusting agent, described membrane-forming agent comprises Nano-meter SiO_2
2, colloid chemistry stablizer and alcoholic solvent; Described filler is inorganic colourant; Described adjusting agent comprises dispersion stabilizer, flow agent and velocity of evaporation conditioning agent.
Illustrate further, described coating is that the applying coating be made up as membrane-forming agent and filler of inorganic nano silicon dioxide gel solidifies at material surface and forms.
Illustrate further, described coating comprises the component of following mass percent: 30-95% membrane-forming agent, 1-65% filler and 0.05-8% adjusting agent, described membrane-forming agent comprises Nano-meter SiO_2
2, colloid chemistry stablizer and alcoholic solvent; Described filler is inorganic colourant; Described adjusting agent comprises dispersion stabilizer, flow agent and velocity of evaporation conditioning agent.
Illustrate further, in described membrane-forming agent, the content of organic high molecular compound is less than 0.5%, and metal ion content is less than 80PPM.
Illustrate further, a kind of method forming coating as described above in substrate surface coating, it comprises the steps:
Prepared by A, coating: by proportioning, membrane-forming agent, filler and adjusting agent are carried out mixing and ball milling and prepare inorganic nano paint;
B, coating: inorganic nano paint is coated on substrate surface;
C, oven dry: sanitary equipment step B being coated with inorganic nano paint are dried, and obtain the product with inorganic coating.
Illustrate further, a kind of method forming coating as described above in substrate surface coating, the preparation of steps A coating comprises the following steps:
(1) by mineral filler with suitable proportioning and the solvent compatible with membrane-forming agent, namely carbonatoms is no more than ultra-fine ball milling 0.5 ~ 48h after the compound of one or more of the monohydroxy-alcohol of 5 and dispersion agent, anti-sedimentation agent mixing, obtains mineral filler and starches;
(2) the mineral filler slurry obtained through step (1), membrane-forming agent, velocity of evaporation adjusting agent and flow agent are mixed 10min ~ 72h by the blade stirrer equipment being put in high shear mixers or ball mill after proportioning mixing or having a ultrasonic vibration function;
(3) filtered by being more than or equal to 200 mesh standard sieves by the slurry obtained through step (2), filtrate is inorganic paint.
Illustrate further, the heating curve of drying in step C is: 40 ~ 50 DEG C of insulation 10 ~ 20min; Be warming up to 70 ~ 85 DEG C, insulation 10 ~ 15min; Be warming up to 115 ~ 130 DEG C, insulation 15 ~ 30min; Be warming up to 180 ~ 250 DEG C, insulation 10 ~ 60min, cools to the furnace and takes out close to after room temperature.
A kind of five metals sanitary equipment, described five metals sanitary equipment surface attachment has above-mentioned coating.
Beneficial effect of the present invention: 1, using full-inorganic material as the high surface hardness of the inorganic coating of membrane-forming agent, high abrasion degree, ageing-resistant, extend the work-ing life of product; 2, there is the superperformance of anti-soil, oil resistant, water resistant, improve the cleaning of coated base material; 3, there is larger intensity, be not easy to destroy or come off by coating during external impacts; 4, production method is simple, is conducive to the structure of stable coatings, extends the life-span of coating.
Accompanying drawing explanation
Fig. 1 is the surface X-ray diffractogram of one embodiment of the present of invention.
Embodiment
Technical scheme of the present invention is further illustrated by embodiment below in conjunction with accompanying drawing.
Be attached to the easy to clean and coating for long service life of other substrate surface, the material composition of described coating comprises amorphous silicon di-oxide and filler, and the mass percent that shown amorphous silicon di-oxide accounts for described coating total 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 baking and curing flow process completes, although the inner solvent of film and other organic compositions remove completely, but due to steric effect, amount of activated group is still had not complete end reaction, its polycondensation process can in use continue slowly to carry out, this makes the film of formation, and hardness, wilfulness can continue to improve for a comparatively long period of time, increase coating wearing quality, coating also can be made to have the good properties of " self-healing " to a certain extent, long service life simultaneously.
Illustrate further, described base material is any one or multiple compound in metal, natural or artificial stone-like material, pottery, glass, organic polymer material.
Illustrate further, described coating is that the applying coating be made up as membrane-forming agent and filler of inorganic nano silicon dioxide gel solidifies at substrate surface and forms.
Coating coat before burning till solidification alternately exists with inorganic nano, there is self cure feature, the active curing film forming of high temperature lower surface, owing to not containing metal ion, it is full saturated structures after coating formation, do not corrode by close electric agent or oxygenant, form one deck on sanitary equipment surface and there is the extremely strong inorganic coating of antiacid alkali etch resistant properties, extend the work-ing life of five metals sanitary equipment, this inorganic coating plays the effect of good imitative ceramic glaze on sanitary equipment surface simultaneously, and the film-formation result of inorganic nano paint decides with the filler added.Be water white transparency glass-like body after inorganic nano paint film forming, refractive property is fabulous, coordinates various colorant, dyestuff, decorative coating, obtains the various decorative effects of sub-light, numb light, minute surface, ceramic gloss, also can obtain metalloid decorative effect.
Described coating comprises the component of following mass percent: 30-95% membrane-forming agent, 1-65% filler and 0.05-8% adjusting agent, described membrane-forming agent comprises Nano-meter SiO_2
2, colloid chemistry stablizer and alcoholic solvent; Described filler is inorganic colourant; Described adjusting agent comprises dispersion stabilizer, flow agent and velocity of evaporation conditioning agent, wherein adjusting agent consist of velocity of evaporation adjusting agent 1-5%, flow agent 0.1-1%, dispersion agent 0.1-2.5%.
Under the effect of adjusting agent, be coated on five metals surface by pure inorganic nano SiO2 colloidal sol as the membrane-forming agent of main film forming component and have good levelling property, there is not sealing of hole problem, the level and smooth film forming of coating is in five metals surface.Film forming matter is full-inorganic material, and not containing organic resin constituent, stable chemical nature is not aging, high temperature resistant, acid and alkali-resistance salt corrosion; Film forming is tough and tensile, and wear resistance is good, sturdy and durable.
Wherein in adjusting agent, velocity of evaporation conditioning agent accounts for the total component 35%-85% of adjusting agent, and flow agent accounts for 1-20%, and dispersion stabilizer accounts for 10%-55%, and wherein contain the dispersion agent of 10-35% in dispersion stabilizer, surplus is anti-sedimentation agent.Wherein, dispersion stabilizer is the conventional dispersion stabilizer of mineral filler in alcohol system, namely one end is the organo-functional group or charged inorganic group that can be combined by electrostatic interaction, hydrogen bond action, chemical bond or Van der Waals force with inorganic powder surface, and the other end is containing the small molecule organic compound of the organic linear of 2 ~ 10 carbon atoms or multiple-OH ,-COOH, amido, amide group, ether (-O-); Flow agent for containing the medium molecule weight polymers of polysiloxane group (straight or branched) group or these compounds, fluorocarbon or this compounds through the modified product of polyether polyester; Anti-sedimentation agent to comprise in various coating industry conventional make thickening material modified clay, white carbon black, treated starch, modified-cellulose and derivatived cellulose, preferred thing is then thermal silica.Described velocity of evaporation conditioning agent is alcohols, phenols, amine, amides or fluorochemicals.
Velocity of evaporation adjusting agent is containing easily forming hydrogen bond and the low molecular weight organic compound do not reacted with virgin rubber active substance and stablizer (alkali, organic salt etc.), comprising alcohols, phenols, amine, amides or fluorochemicals.
Using nano silicon as the main component of rete, solvent can be selected water or alcoholic solvent to carry out dissolving to nano silicon and obtain inorganic nano colloidal sol, alcoholic solvent comprises one or more the mixture in the alcohols such as ethanol or propyl alcohol, play good solvency action, volatile when burning till solidification, do not residue in inorganic coating, preferably select harmless alcoholic solvent, the inorganic nano paint formed is water white transparency before not constructing, with the liquid of slight milky white gloss, be nanostructure colloid before effective constituent film forming, stable chemical nature, easy preservation, configuration easily, ease for use is strong.Film forming matter is full-inorganic material, and not containing organic resin constituent, stable chemical nature is not aging, high temperature resistant, acid and alkali-resistance salt corrosion.Coating is full saturated structures after burning till solidification, and have the superperformance of anti-soil, oil resistant, water resistant, reduce the cleaning difficulty of five metals sanitary equipment, improve its cleaning, and film forming is tough and tensile, wear resistance is good, sturdy and durable, is not easy to destroy or come off by coating during external impacts.
Described colloid chemistry stablizer be volatile attribute when there is heating alkali or only containing the salt of small-molecular-weight organic acid; The central atom of described alkali or salt is nitrogen, phosphorus, oxygen, sulphur, titanium or bromine.
Not containing any metal cation component in membrane-forming agent composition, replace alkali as colloid chemistry stablizer, stabilising effect is good, easily remove 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 the controllability volatilization coordinating stablizer in drying process, and the high reactivity Si-OH that slowly-releasing goes out or Si-O-group are solidified gradually by following reaction gradually and obtain the tough and tensile film being main component with amorphous SiO2.
≡Si-OH+HO-Si≡→≡Si-O-Si≡+H2O↑
In addition, nearly all inorganic powder composition all contains-Me-OH (Me is metallic element or non-metallic element), these powders can form firm combination by above-mentioned mechanism and film forming matter, therefore application scalability of the present invention is splendid, various mineral filler or the organic filler (molding powder) through hydroxylation, carboxylated process can be added, obtain the anti-ceramic coating of various decorative effect.
Silicon sol (membrane-forming agent) is made up of amorphous nano silicon-dioxide, colloid chemistry stablizer, alcoholic solvent.A known material in fact, can obtain by buying, wherein amorphous nano dioxide-containing silica is more than or equal to 40%.In the present invention, use the colloid chemistry stabiliser content of organic macromolecule in silicon sol to be less than 0.5% of silicon sol (membrane-forming agent) total mass.
After the solidification of coating drying, coating only leaves the component of amorphous silicon di-oxide and filler, other materials all volatilize, and the minimum mass percentage ratio that therefore amorphous silicon di-oxide accounts for described coating total mass carries out conversion by following formula and can obtain: (30%*40%)/(30%*40%+65%) ≈ 15.59%.Therefore the mass percent that in obtained coating, amorphous nano silicon-dioxide accounts for coating is not less than 15.59%.
Illustrate further, described coating dries 8h at 200 DEG C, and then carry out the thermogravimetric analysis (TGA) of 200 ~ 600 DEG C, coating weight loss is not higher than 5% of coating quality.This is because the solvent in coating can volatilize in high temperature, and wherein organic high molecular compound content is low, therefore coating is that inorganic materials forms (amorphous nano silicon-dioxide) substantially, therefore coating is when carrying out thermogravimetric analysis, and coating weight loss is not higher than 5% of membrane substance total mass.
Illustrate further, near 2 θ=23 °, have obvious convex peak in X-ray diffraction (X-RD) collection of illustrative plates of described coating, described convex peak is made up of multiple tiny diffraction peak.As shown in Figure 1.Carry out X-ray diffraction analysis to described inorganic coating, result is for meeting the steamed bun peak of SiO2 central position (2 θ=23 °), and the composition showing described inorganic coating is single amorphous silicon di-oxide (SiO2).
Illustrate further, in described coating, the content of organic high molecular compound is less than 0.5%, and metal ion content is less than 80PPM.
How the protection of the surface structure of more existing products, can spray a coating at substrate surface, strengthen its wear-resisting and corrosion resistance nature.Existing coating mostly is organic coating, and therefore the wear resisting property of coating is poor, easily damages because rubbing, scraping and comes off, lose defencive function, therefore need to provide a kind of barrier propterty good, the coating of long service life in use procedure.In view of above demand, inorganic paint is necessarily applied, but uses in prior art also containing a large amount of organic high molecular compound in inorganic paint, and these compounds can improve the coating property of coating, but it still retains under high bake, finally become the material in coating.These organic high molecular compounds can make strength of coating step-down, cannot form the inorganic coating of high-strength abrasion-proof.
The present invention program is just for above problem, propose and be attached to the easy to clean and coating of long service life of other substrate surface, its coating is formed in the solidification of its surface application by the inorganic nano paint of inorganic nano SiO2 colloidal sol as membrane-forming agent, and the content of organic high molecular compound is less than 0.5% in membrane-forming agent, metal ion content is less than 80PPM.The inorganic coating of such formation is mainly made up of inorganic nano silicon-dioxide, and wherein organic high molecular compound content is extremely low, little on strength of coating impact, utilize the high strength of inorganic nano silicon-dioxide, the characteristic such as wear-resisting makes five metals sanitary equipment have characteristic that is easy to clean and long service life.
The atomic absorption spectrum of described inorganic coating detects metallicity impurity component content and is less than or equal to 80PPM.The inorganic coating on the five metals sanitary equipment surface of invention gained is a kind of type material being membrane-forming agent with full-inorganic material, wherein except adjusting agent (belonging to volatile small organic molecule matter) and mineral filler (adding organic additive unless there are special requirement), do not contain other macromolecule filming thing compositions, not containing organic residue after having solidified, this has been this product surface high rigidity, high abrasion degree, ageing-resistant root.
Described inorganic nano paint adopts the mode of dip-coating or showering or coating to be coated on the surface of described five metals sanitary equipment.Described coating method comprises atomization coating or electrostatic coating mode.Wherein, electrostatic coating mode is more suitable for coating and has erose five metals sanitary equipment, and surface-coated effect is more homogeneous.
Illustrate further, a kind of method forming coating described above in substrate surface coating, it comprises the steps:
A, prepare coating: by proportioning, membrane-forming agent, filler and adjusting agent are carried out mixing and ball milling and prepare inorganic nano paint;
B, pre-treatment: alligatoring, clean and drying treatment (this step is selection process, and those skilled in the art are to be understood that it is nonessential step) are carried out to substrate surface;
C, coating: inorganic nano paint is coated on substrate surface;
D, levelling and surface adjustment: carry out levelling in the dust free chamber that the five metals sanitary equipment obtained step C are positioned over 15-30 DEG C and part is dry, dust free chamber humidity is lower than 80% (this step is selection process, and those skilled in the art are to be understood that it is nonessential step);
E, baking and curing: the product adjusted through levelling is placed in dustless drying curing box, heats;
F, cool to the furnace and take out close to after room temperature, obtain the product with inorganic coating.
Illustrate further, the preparation of steps A coating comprises the following steps:
(1) by mineral filler with suitable proportioning and the solvent compatible with membrane-forming agent, namely carbonatoms is no more than the compound of one or more of the monohydroxy-alcohol of 5, as raw spirit, propyl alcohol etc., (these are all volatile substances, therefore when coating is dry, it can volatilize, can not remain in resurfacing), ultra-fine ball milling 0.5 ~ 48h after mixing with dispersion agent, anti-sedimentation agent, obtains mineral filler slurry, and the mass percent that wherein addition of solvent accounts for mineral filler slurry is no less than 33%;
(2) the mineral filler slurry obtained through step (1), membrane-forming agent, velocity of evaporation adjusting agent and flow agent are stirred 10min ~ 72h by the blade stirrer equipment being put in high shear mixers or ball mill after proportioning mixing or having a ultrasonic vibration function;
(3) filtered by being more than or equal to 200 mesh standard sieves by the slurry obtained through step (2), filtrate is inorganic paint.
It should be noted that, in step (1), Ball-milling Time decides according to raw material dynamics composition, dispersion complexity adjustment grinding ratio of grinding media to material, grinding concentration and anti-settling agent, dispersive agent ratio.
Sandblasting, soda acid chemistry microcorrosion method process five metals sanitary equipment surface can be used, strengthen bonding force, increase the surface-area that sanitary equipment surface contacts with inorganic nano paint.Dry levelling and surface adjustment is carried out in the dust free chamber that the five metals sanitary equipment being coated with coating are positioned over 15-30 DEG C; The dustless product leaving standstill coating process under mild conditions, the automatic levelling effect of coating is made to obtain smoothness surface, coating and levelling process should be carried out in dust free chamber, control room temperature condition 15 ~ 30 DEG C, the too high meeting of temperature causes that evaporation rate of solvent is too fast causes cracking, pit, pin hole, too low, levelling can be caused excessive, affect the thickness evenness of non-planar articles top coat, cause shaded effect poor, sunburner and the symptoms such as cracking; Humidity condition should control lower than 80%, otherwise easily causes because there is the dew condensation phenomenon of water on solvent evaporation process floating coat surface, and the phenomenon causing coating to worsen owing to being polluted by water drying makes the solvent in inorganic nano paint volatilize.Apply 1-3 time, after the coating that conventional products is 2-3 time, its coat can reach certain thickness, and can reach the effect of smooth finish by natural levelling, specialty products 1 coating can enter subsequent processing.Heat-processed in step e is: 40 ~ 50 DEG C of insulation 10 ~ 20min; Be warming up to 70 ~ 85 DEG C, insulation 10 ~ 15min; Be warming up to 115 ~ 130 DEG C, insulation 15 ~ 30min; Be warming up to 180 ~ 250 DEG C, insulation 10 ~ 60min.In baking and curing process, the controlled volatilization of surf zone solvent, the contraction that surperficial levelling effect and solvent evaporates are brought and the acting in conjunction of carrying effect, produce nanoscale projection and depression, greatly reduce film formation surface and extraneous contact area.The activation of nanometer colloid particles by heat and under transportation automatic position adjusting function and and peripheral granule form tough and tensile Si-O-Si key, form high chemical saturation ratio and low surface tension surperficial.The synergy of two kinds of effects produces the effect of " lotus leaf effect ", makes coating naturally possess hydrophobic antifouling property.
Illustrate further, a kind of five metals sanitary equipment, described five metals sanitary equipment surface is carried out alligatoring, cleans and after drying treatment, is attached with coating as described above.
At five metals sanitary equipment surface-coated organic/inorganic nano coating, before burning till solidification, coat alternately exists with inorganic nano, there is self cure feature, the active curing film forming of high temperature lower surface, owing to not containing metal ion, it is full saturated structures after coating formation, do not corrode by close electric agent or oxygenant, form one deck on sanitary equipment surface and there is the extremely strong inorganic coating of antiacid alkali etch resistant properties, extend the work-ing life of five metals sanitary equipment, this inorganic coating plays the effect of good imitative ceramic glaze on sanitary equipment surface simultaneously, and the film-formation result of inorganic nano paint decides with the filler added.Be water white transparency glass-like body after inorganic nano paint film forming, refractive property is fabulous, coordinates various colorant, dyestuff, decorative coating, obtains the various decorative effects of sub-light, numb light, minute surface, ceramic gloss, also can obtain metalloid decorative effect.
Sandblasting, soda acid chemistry microcorrosion method process five metals sanitary equipment surface can be used, strengthen bonding force, increase the surface-area that sanitary equipment surface contacts with inorganic nano paint.Dry levelling and surface adjustment is carried out in the dust free chamber that the five metals sanitary equipment being coated with coating are positioned over 15-30 DEG C; The dustless product leaving standstill coating process under mild conditions condition, the automatic levelling effect of coating is made to obtain smoothness surface, coating and levelling process should be carried out in dust free chamber, control room temperature condition 15 ~ 30 DEG C, the too high meeting of temperature causes that evaporation rate of solvent is too fast causes cracking, pit, pin hole, too low, levelling can be caused excessive, affect the thickness evenness of non-planar articles top coat, cause shaded effect poor, sunburner and the symptoms such as cracking; Humidity condition should control lower than 80%, otherwise easily causes because there is the dew condensation phenomenon of water on solvent evaporation process floating coat surface, and the phenomenon causing coating to worsen owing to being polluted by water drying makes the solvent in inorganic nano paint volatilize.Apply 1-3 time, after the coating that conventional products is 2-3 time, its coat can reach certain thickness, and can reach the effect of smooth finish by natural levelling, specialty products 1 coating can enter subsequent processing.Heat-processed in step e is: 40 ~ 50 DEG C of insulation 10 ~ 20min; Be warming up to 70 ~ 85 DEG C, insulation 10 ~ 15min; Be warming up to 115 ~ 130 DEG C, insulation 15 ~ 30min; Be warming up to 180 ~ 250 DEG C, insulation 10 ~ 60min.In bake process, the controlled volatilization of surf zone solvent, the contraction that surperficial levelling effect and solvent evaporates are brought and the acting in conjunction of carrying effect, produce nanoscale projection and depression, greatly reduce film formation surface and extraneous contact area.The activation of nanometer colloid particles by heat and under transportation automatic position adjusting function and and peripheral granule form tough and tensile Si-O-Si key, form high chemical saturation ratio and low surface tension surperficial.The synergy of two kinds of effects produces the effect of " lotus leaf effect ", makes coating naturally possess hydrophobic antifouling property.
Embodiment 1---external coating (EC) is the water tap of burgundy
A, in following ratio, each raw material to be weighed: 30% silicon sol (membrane-forming agent), 65% filler (15% wine red pearlescence+70% silica powder) and 5% adjusting agent (wherein, velocity of evaporation adjusting agent butanols accounts for the massfraction 35% of the total mass of adjusting agent, dispersion agent oleic acid accounts for the massfraction 35% of the total mass of adjusting agent, flow agent methyl methacrylate accounts for the massfraction 10% of the total mass of adjusting agent, and anti-settling agent organobentonite accounts for the massfraction 20% of the total mass of adjusting agent); Adjusting agent is high-temperature volatile material, finally noresidue in the coating.
The preparation of coating: (1) is by mineral filler and raw spirit (volatile constituent, can not be residual in resurfacing), ultra-fine ball milling 0.5 ~ 48h after the mixing of dispersion agent, anti-sedimentation agent, obtain mineral filler slurry, the amount of the wherein interpolation of raw spirit accounts for 35% of the mass percent of total mineral filler slurry.
(2) the mineral filler slurry obtained through step (1), membrane-forming agent, velocity of evaporation adjusting agent and flow agent are mixed 10min ~ 72h by the blade stirrer equipment being put in high shear mixers or ball mill after proportioning mixing or having a ultrasonic vibration function;
(3) filtered by being more than or equal to 200 mesh standard sieves by the slurry obtained through step (2), filtrate is inorganic nano paint.
Silicon sol (membrane-forming agent) is made up of amorphous nano silicon-dioxide, colloid chemistry stablizer, alcoholic solvent.A known material in fact, can obtain by buying, wherein amorphous nano dioxide-containing silica is more than or equal to 40%.In the present invention, use the colloid chemistry stabiliser content of organic macromolecule in silicon sol to be less than 0.5% of silicon sol (membrane-forming agent) total mass.
The filler used is inorganic materials, and adjusting agent is volatile material, and the therefore residual in the coating macromolecule organic being difficult to volatilize at normal temperatures is extremely low, ensures coating performance.
B, pre-treatment: alligatoring, clean and drying treatment are carried out to faucet surface;
C, coating: inorganic nano paint is coated on water tap sanitary equipment surface;
D, levelling and surface adjustment: carry out levelling in the dust free chamber that the water tap sanitary equipment obtained step C are positioned over 30 DEG C and part is dry, dust free chamber humidity is lower than 80%;
E, baking and curing: the five metals sanitary equipment adjusted through levelling are placed in dustless drying curing box, heat.
F, cool to the furnace and take out close to after room temperature, obtaining external coating (EC) is the water tap of burgundy, and coating hardness is tested, and pencil hardness test, 3H is without vestige, and salt fog resistance 1200hr is unchanged, and humidity resistance 540hr is unchanged.
Embodiment 2---external coating (EC) color is the glass stand of simple and elegant gold
A, in following ratio, each raw material to be weighed: 45% silicon sol, 50% filler (40% lithopone+30% leaf is greenish-yellow) and 5% adjusting agent (wherein, velocity of evaporation adjusting agent sec-butyl alcohol accounts for the massfraction 70% of the total mass of adjusting agent, dispersion agent polysorbas20 accounts for the massfraction 3% of the total mass of adjusting agent, flow agent methyl methacrylate accounts for the massfraction 7% of the total mass of adjusting agent, and the meteorological white carbon black of anti-settling agent accounts for the massfraction 20% of the total mass of adjusting agent);
The preparation of coating: mineral filler is mixed rear ultra-fine ball milling 0.5 ~ 48h by (1) with raw spirit, dispersion agent, anti-sedimentation agent, obtains mineral filler slurry, and the amount of the wherein interpolation of raw spirit accounts for 33% of the mass percent of total mineral filler slurry.
(2) the mineral filler slurry obtained through step (1), membrane-forming agent, velocity of evaporation adjusting agent and flow agent are mixed 10min ~ 72h by the blade stirrer equipment being put in high shear mixers or ball mill after proportioning mixing or having a ultrasonic vibration function;
(3) filtered by being more than or equal to 200 mesh standard sieves by the slurry obtained through step (2), filtrate is inorganic nano paint.
B, pre-treatment: alligatoring, clean and drying treatment are carried out to glass stand metallic surface;
C, coating: inorganic nano paint is coated on glass stand metallic surface;
D, levelling and surface adjustment: carry out levelling in the dust free chamber that the glass stand metal obtained step C is positioned over 25 DEG C and part is dry, dust free chamber humidity is lower than 80%;
E, baking and curing: the five metals sanitary equipment adjusted through levelling are placed in dustless drying curing box, heat.
F, cool to the furnace and take out close to after room temperature, obtaining external coating (EC) is the water tap of burgundy, and coating hardness is tested, and pencil hardness test, 3H is without vestige, and salt fog resistance 1250hr is unchanged, and humidity resistance 553hr is unchanged.
Embodiment 3---external coating (EC) color is argenteous towel hanger
A, in following ratio, each raw material to be weighed: 70% silicon sol, 22% filler (flake aluminum) and 8% adjusting agent are (wherein, velocity of evaporation adjusting agent ethylene glycol dibutyl ether accounts for the massfraction 50% of the total mass of adjusting agent, dispersion agent oleic acid and isobutyl triethoxy silane account for the massfraction 19% of the total mass of adjusting agent, flow agent polydimethylsiloxane 2000 accounts for the massfraction 1% of the total mass of adjusting agent, and anti-settling agent polyamide wax accounts for the massfraction 30% of the total mass of adjusting agent);
The preparation of coating: mineral filler is mixed rear ultra-fine ball milling 0.5 ~ 48h by (1) with raw spirit, dispersion agent, anti-sedimentation agent, obtains mineral filler slurry, and the amount of the wherein interpolation of raw spirit accounts for 40% of the mass percent of total mineral filler slurry.
(2) the mineral filler slurry obtained through step (1), membrane-forming agent, velocity of evaporation adjusting agent and flow agent are mixed 10min ~ 72h by the blade stirrer equipment being put in high shear mixers or ball mill after proportioning mixing or having a ultrasonic vibration function;
(3) filtered by being more than or equal to 200 mesh standard sieves by the slurry obtained through step (2), filtrate is inorganic nano paint.
B, pre-treatment: alligatoring, clean and drying treatment are carried out to glass stand metallic surface;
C, coating: inorganic nano paint is coated on glass stand metallic surface;
D, levelling and surface adjustment: carry out levelling in the dust free chamber that the glass stand metal obtained step C is positioned over 20 DEG C and part is dry, dust free chamber humidity is lower than 80%;
E, baking and curing: the five metals sanitary equipment adjusted through levelling are placed in dustless drying curing box, heat.
F, cool to the furnace and take out close to after room temperature, obtaining external coating (EC) color is argenteous towel hanger, and coating hardness is tested, and pencil hardness test, 3H is without vestige, and salt fog resistance 1300hr is unchanged, and humidity resistance 565hr is unchanged.
Embodiment 4---external coating (EC) color is elegant black water tank button
A, in following ratio, each raw material to be weighed: 75% silicon sol, 17% filler (15%Fe3O4+1% graphite+5% biotite) and 8% adjusting agent (wherein, velocity of evaporation adjusting agent butanols accounts for the massfraction 43.75% of the total mass of adjusting agent, dispersion agent oleic acid accounts for the massfraction 18.75% of the total mass of adjusting agent, flow agent methyl methacrylate accounts for the massfraction 20% of the total mass of adjusting agent, and anti-settling agent organobentonite accounts for the massfraction 17.5% of the total mass of adjusting agent);
The preparation of coating: mineral filler is mixed rear ultra-fine ball milling 0.5 ~ 48h by (1) with raw spirit, dispersion agent, anti-sedimentation agent, obtains mineral filler slurry, and the amount of the wherein interpolation of raw spirit accounts for 38% of the mass percent of total mineral filler slurry.
(2) the mineral filler slurry obtained through step (1), membrane-forming agent, velocity of evaporation adjusting agent and flow agent are mixed 10min ~ 72h by the blade stirrer equipment being put in high shear mixers or ball mill after proportioning mixing or having a ultrasonic vibration function;
(3) filtered by being more than or equal to 200 mesh standard sieves by the slurry obtained through step (2), filtrate is inorganic nano paint.
B, pre-treatment: alligatoring, clean and drying treatment are carried out to glass stand metallic surface;
C, coating: inorganic nano paint is coated on glass stand metallic surface;
D, levelling and surface adjustment: carry out levelling in the dust free chamber that the glass stand metal obtained step C is positioned over 20 DEG C and part is dry, dust free chamber humidity is lower than 80%;
E, baking and curing: the five metals sanitary equipment adjusted through levelling are placed in dustless drying curing box, heat.
F, cool to the furnace and take out close to after room temperature, obtaining external coating (EC) color is argenteous towel hanger, and coating hardness is tested, and pencil hardness test, 3H is without vestige, and salt fog resistance 1270hr is unchanged, and humidity resistance 600hr is unchanged.
Embodiment group A
Silicon sol, filler and adjusting agent weigh by the corresponding proportioning of A, according to the form below 1-3 sequence number, the preparation of coating: mineral filler is mixed rear ultra-fine ball milling 0.5 ~ 48h by (1) with raw spirit, dispersion agent, anti-sedimentation agent, obtain mineral filler slurry, the amount of the wherein interpolation of raw spirit accounts for 35% of the mass percent of total mineral filler slurry.
(2) the mineral filler slurry obtained through step (1), membrane-forming agent, velocity of evaporation adjusting agent and flow agent are mixed 10min ~ 72h by the blade stirrer equipment being put in high shear mixers or ball mill after proportioning mixing or having a ultrasonic vibration function;
(3) filtered by being more than or equal to 200 mesh standard sieves by the slurry obtained through step (2), filtrate is inorganic nano paint, for subsequent use;
Table 1 filler, silicon sol and adjusting agent account for the proportioning table of the massfraction of coating total mass
Table 2 evaporation rate adjusting agent, flow agent and dispersion stabilizer account for the massfraction proportioning table of adjusting agent total mass
Table 3 dispersion agent and anti-settling agent account for the massfraction proportioning table of dispersion stabilizer total mass
| Sequence number | Dispersion agent | Anti-settling agent |
| A1 | 10% oleic acid | 90% meteorological white carbon black |
| A2 | 15% oleic acid | 85% organobentonite |
| A3 | 18% polysorbas20 (polyoxyethylene 20 sorbitan monolaurate) | 82% polyamide wax |
| A4 | 20% (10% oleic acid+10% isobutyl triethoxy silane) | 80% meteorological white carbon black |
| A5 | 22% oleic acid | 78% polyamide wax |
| A6 | 25% (13% oleic acid+12% isobutyl triethoxy silane) | 75% meteorological white carbon black |
| A7 | 28% polysorbas20 | 72% organobentonite |
| A8 | 30% polysorbas20 | 70% polyamide wax |
| A9 | 32% (12% oleic acid+20% isobutyl triethoxy silane) | 68% meteorological white carbon black |
B, pre-treatment: alligatoring, clean and drying treatment are carried out to five metals LONGTOUJIN metal surface;
C, coating: inorganic nano paint is coated on five metals LONGTOUJIN metal surface;
D, levelling and surface adjustment: carry out levelling in the dust free chamber that the glass stand metal obtained step C is positioned over 20 DEG C and part is dry, dust free chamber humidity is lower than 80%;
E, baking and curing: the five metals sanitary equipment adjusted through levelling are placed in dustless drying curing box, heat.
F, cool to the furnace and take out close to after room temperature, carry out product quality detection, experimental result sees the following form 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 | Bronze | 4H is without vestige | 1265hr is unchanged | 580hr is unchanged |
| 3 | Burgundy | 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 | Burgundy | 3H is without vestige | 1235hr is unchanged | 550hr is unchanged |
| 8 | Burgundy | 3H is without vestige | 1240hr is unchanged | 567hr is unchanged |
| 9 | Jin Tongse | 3H is without vestige | 1260hr is unchanged | 553hr is unchanged |
Below know-why of the present invention is described in conjunction with specific embodiments.These describe just in order to explain principle of the present invention, and can not be interpreted as limiting the scope of the invention by any way.Based on explanation herein, those skilled in the art does not need to pay performing creative labour can associate other embodiment of the present invention, and these modes all will fall within protection scope of the present invention.
Claims (9)
1. one kind is attached to the easy to clean and coating of long service life of other substrate surface, it is characterized in that: the material composition of described coating comprises amorphous silicon di-oxide and filler, and the mass percent that described amorphous silicon di-oxide accounts for described coating total mass is not less than 15.59%.
2. be according to claim 1ly a kind ofly attached to the easy to clean and coating of long service life of other substrate surface, it is characterized in that: described base material is any one or multiple compound in metal, natural or artificial stone-like material, pottery, glass, organic polymer material.
3. be according to claim 1ly a kind ofly attached to the easy to clean and coating of long service life of other substrate surface, it is characterized in that: described coating is that the applying coating be made up as membrane-forming agent and filler of inorganic nano silicon dioxide gel solidifies at substrate surface and forms.
4. be according to claim 3ly a kind ofly attached to the easy to clean and coating of long service life of other material surface, it is characterized in that: described coating comprises the component of following mass percent: 30-95% membrane-forming agent, 1-65% filler and 0.05-8% adjusting agent, described membrane-forming agent comprises Nano-meter SiO_2
2, colloid chemistry stablizer and alcoholic solvent; Described filler is inorganic colourant; Described adjusting agent comprises dispersion stabilizer, flow agent and velocity of evaporation conditioning agent.
5. a kind of according to claim 3 or 4 is attached to the easy to clean and coating of long service life of other material surface, it is characterized in that: in described membrane-forming agent, the content of organic high molecular compound is less than 0.5%, and metal ion content is less than 80PPM.
6. form a method for coating as claimed in claim 4 in substrate surface coating, it comprises the steps:
Prepared by A, coating: by proportioning, membrane-forming agent, filler and adjusting agent are carried out mixing and ball milling and prepare inorganic nano paint;
B, coating: inorganic nano paint is coated on substrate surface;
C, oven dry: sanitary equipment step B being coated with inorganic nano paint are dried, and obtain the product with inorganic coating.
7. a kind of method forming coating as claimed in claim 1 in substrate surface coating according to claim 6, is characterized in that: the preparation of steps A coating comprises the following steps:
(1) by mineral filler with suitable proportioning and the solvent compatible with membrane-forming agent, namely carbonatoms is no more than ultra-fine ball milling 0.5 ~ 48h after the compound of one or more of the monohydroxy-alcohol of 5 and dispersion agent, anti-sedimentation agent mixing, obtains mineral filler and starches;
(2) the mineral filler slurry obtained through step (1), membrane-forming agent, velocity of evaporation adjusting agent and flow agent are mixed 10min ~ 72h by the blade stirrer equipment being put in high shear mixers or ball mill after proportioning mixing or having a ultrasonic vibration function;
(3) filtered by being more than or equal to 200 mesh standard sieves by the slurry obtained through step (2), filtrate is inorganic paint.
8. a kind of method forming coating as claimed in claim 1 in substrate surface coating according to claim 6, is characterized in that: the heating curve of drying in step C is: 40 ~ 50 DEG C of insulation 10 ~ 20min; Be warming up to 70 ~ 85 DEG C, insulation 10 ~ 15min; Be warming up to 115 ~ 130 DEG C, insulation 15 ~ 30min; Be warming up to 180 ~ 250 DEG C, insulation 10 ~ 60min, cools to the furnace and takes out close to after room temperature.
9. five metals sanitary equipment, is characterized in that: described five metals sanitary equipment surface attachment is just like the coating described in claim 1-5.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107088512A (en) * | 2017-05-31 | 2017-08-25 | 佛山市东鹏陶瓷有限公司 | A kind of spraying coating process of nano-silicon inorganic coating |
| CN111592780A (en) * | 2020-06-08 | 2020-08-28 | 青岛浩普凯诚环保新材料有限公司 | High-speed train shell protection liquid and preparation method thereof |
| CN111619517A (en) * | 2020-06-08 | 2020-09-04 | 青岛浩普凯诚环保新材料有限公司 | Process flow for cleaning and protecting high-speed rail |
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| CN107088512B (en) * | 2017-05-31 | 2020-11-10 | 佛山市东鹏陶瓷有限公司 | Spraying process of nano silicon inorganic coating |
| CN111592780A (en) * | 2020-06-08 | 2020-08-28 | 青岛浩普凯诚环保新材料有限公司 | High-speed train shell protection liquid and preparation method thereof |
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