CN103112231B - A kind of self-cleaning coat and production method thereof with photocatalysis and antistatic complex function - Google Patents
A kind of self-cleaning coat and production method thereof with photocatalysis and antistatic complex function Download PDFInfo
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- CN103112231B CN103112231B CN201310065844.XA CN201310065844A CN103112231B CN 103112231 B CN103112231 B CN 103112231B CN 201310065844 A CN201310065844 A CN 201310065844A CN 103112231 B CN103112231 B CN 103112231B
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Abstract
The present invention relates to self-cleaning coat and the production method thereof of a kind of photocatalysis and antistatic complex function, specifically by making visible light-responded catalysis material adhere to antistatic material the way combined at substrate surface, realize antifouling, dust-proof, photocatalytic self-cleaning function on the surface at different building external decorative material.Product forms self-cleaning coat by confining bed, antistatic backing, photocatalysis layer; Confining bed is coated in substrate surface, compounded antistatic layer on confining bed, finally composite photocatalyst layer on antistatic backing, that one had both possessed automatically cleaning under visible light conditions, there is again the Novel self-cleaning coating of dust reduction capability, be mainly used in building roof, building curtain wall, wall decoration, glass surface and municipal traffic engineering construction and improvement project.
Description
Technical field
The present invention relates to self-cleaning coat and the production method thereof of a kind of photocatalysis and antistatic complex function, refer to specifically and adopt cladding process to realize antifouling, dust-proof, photocatalytic self-cleaning function on the surface at different building external decorative material.Product is mainly used in building roof, building curtain wall, wall decoration, glass surface and municipal traffic engineering construction and improvement project.
Background technology
Self-cleaning coat used for building exterior wall normally by surface super hydrophilic, makes pollutant naturally come off under rain-out, thus realizes self-cleaning function.But in actual applications, because the super hydrophilicity of traditional self-cleaning coat material realizes under sunlight condition, so the super hydrophilicity of traditional self-cleaning coat material is had a greatly reduced quality under rainy weather.Weather dry in addition, substrate surface is easy accumulate static charge under natural environment effect, tiny dust in the easy absorbed air of these electrostatic charges, it can not be made to decompose by light-catalyzed reaction, the long-term accumulation of these tiny dust can allow coating lose the former hydrophilicity that has thus lose self-cleaning effect.These 2 deficiencies cause common self-cleaning coat on exterior wall, apply the self-cleaning effect not reaching Theoretical Design.
Along with the raising of the progressive quality of life of modern society, people pursue the life style of health day by day, outside the building the demand of the aspect self-cleaning coat such as portion's decoration, wall decoration, glass surface, public work construction grows with each passing day, and particularly the market of the self-cleaning coat that antifouling, anti-dust performance is outstanding is huge.At present all there is the defects such as workability difference, self-cleaning effect be not remarkable in traditional self-cleaning coat material in the world.
Summary of the invention
The present invention seeks to for above-mentioned weak point, a kind of photocatalysis and antistatic complex function coating and production method thereof are proposed, it is characterized in that by making visible light-responded catalysis material adhere to antistatic material the way combined at substrate surface, achieve one and be applied in external wall field, both possessed automatically cleaning under visible light conditions, had again the Novel self-cleaning coating of dust reduction capability.
The present invention is a kind of has the self-cleaning coat of photocatalysis and antistatic complex function and production method is achieved through the following technical solutions:
A self-cleaning coat for photocatalysis and antistatic complex function, comprises confining bed, antistatic backing, photocatalysis layer; Confining bed is coated in substrate surface, compounded antistatic layer on confining bed, finally composite photocatalyst layer on antistatic backing.
At least one in cement plate, glass, aluminium sheet, marble, artificial stone, pottery selected by described base material.
Described confining bed adopt in waterproofing agent of organosilicon, epoxy resin latex, polypropylene emulsion one or more, be configured to the closed end agent suspension that mass percentage concentration is 0.5%-5%, with 0.01-0.2 L/m
2measure and form in substrate surface spraying.
Described antistatic backing adopts nano SnO
2, Nano-meter SiO_2
2, nanometer Ag
2o, film forming agent, coalescents are dispersed in alcohols solvent by a certain percentage makes antistatic stoste, after high-speed stirred is even, makes for 2-4 time in the spraying of confining bed surface uniform.
Described photocatalysis layer adopts commercially available nano titanium oxide solid powder or solvent, is configured to the suspension that mass percentage concentration is 0.1%-2%, with 0.01-0.1L/m
2amount is prepared at anti-static coating surface spraying.
A kind of production method with the self-cleaning coat of photocatalysis and antistatic complex function is as follows:
1) substrate surface carries out washing or pickling processes, removes substrate surface dust, dirt, impurity, then adopts nature to dry 2-8h or forced air drying 1-4h.Ensure substrate surface clean dried.
At least one in cement plate, glass, aluminium sheet, marble, artificial stone, pottery selected by described base material;
2) configuration quality percentage concentration is the closed end agent suspension of 0.5%-5%, and evenly spray with the substrate surface of spray gun after clean dried, quantity for spray controls at 0.01-0.2L/m
2, sprayed rear natural drying 30 minutes-90 minutes or forced air drying 10 minutes-60 minutes, formed confining bed;
The agent of the described closed end adopt in waterproofing agent of organosilicon, epoxy resin latex, polypropylene emulsion one or more;
3) by solvent, nano SnO
2, SiO
2, Ag
2o, film forming agent, coalescents, according to the mixing of following weight per distribution ratio, make antistatic material stoste after stirring.Wherein raw material weight per distribution ratio is:
Film forming agent 1-10%
Coalescents 0-1.5%
Nano SnO
20-2%
Nanometer Ag
2o 0-1.5%
Nano-meter SiO_2
20-5%
Solvent 35-55%
Deionized water 35-60%
One or more in fluorocarbon resin, silane resin, acrylic resin, butadiene resin, polyurethane finishing agent, cellulose nitrate film forming agent selected by described film forming agent;
Described coalescents selects one or more in low-molecular-weight wax class dispersant, ether alcohol class high polymer, polyethylene glycol, alcohol ester 12;
Described nano SnO
2select solid content at the linear crystal transparency liquid of 10% particle diameter in 5-10 nanometer;
Described nanometer Ag
2o selects particle diameter at the silver oxide colloids solution of 5-20 ran;
Described Nano-meter SiO_2
2select particle diameter at the sheet SiO of 5-10 nanometer
2sol;
At least one in methyl alcohol, ethanol, propyl alcohol, ethylene glycol, glycerine selected by described solvent;
4) will configure antistatic material stoste and inject chemosynthesis reaction still, rotating speed controls at 300-600 rev/min, and temperature controls at 60-80 DEG C, stirs 5-10 hour, stirs;
5) the liquid ageing 1-5 hour under 20-40 DEG C of condition after terminating will be stirred, naturally cool to room temperature, obtain antistatic material;
6) above-mentioned antistatic material is adopted, utilize the automatic air spray gun of bore below 1.2, gun slot distance substrate surface 10-20cm, laterally, longitudinal even application 2-4 time, examine by the substrate surface sprayed after spraying, guarantee without obvious became uneven, no sag, bubble-free, without decorative pattern, without omitting, spraying terminates to form antistatic backing;
7) to form after anti-static coating the mode of maintenance under by low-temperature heat or normal temperature until substrate surface, make filmogen generation condensation reaction, form hardened coating film, this hardening process, between 1-48 hour, is determined according to Specific construction environment temperature;
8) configuration quality percentage concentration is the visible ray photocatalyst suspension of 0.1%-2%, and evenly spray with the substrate surface of spray gun after being coated with anti-static coating, quantity for spray controls at 0.01-0.1L/m
2, sprayed latter air-dry 5 minutes-30 minutes or natural drying 10 minutes-60 minutes, formed the self-cleaning coat of photocatalysis and antistatic complex function;
Described visible ray photocatalyst adopts commercially available nano titanium oxide solid powder or solvent, preferably uses Japanese CON company visible ray photocatalyst or TOTO company visible ray photocatalyst;
The invention has the beneficial effects as follows:
Coating after this self-cleaning system construction of 1 use can show good super hydrophilicity, even if when unglazed photograph, as also there are good super hydrophilicity at night, cloudy day, overcome the weakness just under single photocatalysis coating must have UV-irradiation condition with self-cleaning function.
The hydrophilicity of 2 coatings is very good, and water contact angle test result is below 5 °.
3 coating surface resistance values are 10
6-10
8Ω .cm, can play fine anti-static effect.
In 4 coatings, nanometer wire crystal structure forms small nanometer fine hair shape concaveconvex structure at outer surface, reaches and reduces dust and the van der Waals' force being coated with interlayer, dust is easy to by rainwater normal erosion clean.
5 coating material water white transparencies, do not affect substrate surface color and decorative effect.
6 coating layer thicknesses are only 0.5-2 micron, are convenient to control cost, simultaneously better spread in the market.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the invention will be further described:
Fig. 1 is the structural representation of the self-cleaning coat with photocatalysis and antistatic complex function.
Detailed description of the invention
With reference to accompanying drawing 1, a kind of self-cleaning coat with photocatalysis and antistatic complex function comprises base material 1, confining bed 2, antistatic material 3, visible light-responded photocatalysis layer 4; Compound closure layer 2 on coated base material 1, confining bed 2 is compounded with antistatic backing 3, and antistatic backing 3 is compounded with visible light-responded photocatalysis layer 4.
case study on implementation 1:
1) to needing the cement plate surface of carrying out automatically cleaning process to carry out pickling processes, remove cement plate surface dirt, dirt, impurity, then adopt nature to dry 2h, ensure substrate surface clean dried.
2) configuration quality percentage concentration is the waterproofing agent of organosilicon suspension of 0.5%, and evenly spray with the substrate surface of spray gun in clean dried, quantity for spray controls at 0. 1L/m
2, sprayed rear natural drying 60 minutes, formed confining bed.
3) according to the nano tin dioxide 2kg(2% of weight percent proportioning by film forming agent fluorocarbon resin 5kg (5%), coalescents polyethylene glycol 0.1 kg (0.1%), 5nm), the nano phase ag_2 o 0.5kg(0.5% of 20m), the nano silicon oxide 1kg(1% of 10nm), methyl alcohol 35kg(35%), deionized water 56.4kg(56.4%), stir after to make antistatic material stoste for subsequent use.
4) will configure antistatic material stoste and inject chemosynthesis reaction still, rotating speed controls at 300 revs/min, and temperature controls at 80 DEG C, stirs 5 hours, stirs;
5) by stirring the ageing 4 hours under 40 DEG C of conditions of the liquid after terminating, naturally cooling to room temperature, obtaining antistatic material;
6) above-mentioned antistatic material is adopted, utilize the automatic air spray gun of bore 1, gun slot distance substrate surface 10cm, laterally, longitudinal even application 2 times, examine by the substrate surface sprayed after spraying, guarantee without obvious became uneven, no sag, bubble-free, without decorative pattern, without omitting, spraying terminates to form antistatic backing.
7) formed until substrate surface and to be positioned under normal temperature maintenance after anti-static coating 6 hours, make filmogen generation condensation reaction, form hardened coating film.
8) configuration quality percentage concentration is the visible ray photocatalyst suspension of 0.1%, and evenly spray with the substrate surface of spray gun after being coated with anti-static coating, quantity for spray controls at 0.1L/m
2, sprayed latter air-dry 30 minutes, formed the self-cleaning coat of photocatalysis and antistatic complex function.
case study on implementation 2:
1) to needing the glass surface carrying out automatically cleaning process to carry out washing process, glass surface dust, dirt, impurity is removed, then adopt nature to dry 8h, ensure substrate surface clean dried.
2) configuration quality percentage concentration is the waterproofing agent of organosilicon suspension of 1%, and evenly spray with the substrate surface of spray gun in clean dried, quantity for spray controls at 0. 01L/m
2, sprayed rear natural drying 30 minutes, formed confining bed.
3) according to the nano tin dioxide 1kg(1% of weight percent proportioning by film forming agent butadiene resin 10kg (10%), 8nm), the nano phase ag_2 o 0.5kg(0.5% of 15nm), the nano silicon oxide 5kg(5% of 8nm), ethanol 45kg(45%), deionized water 38.5kg(38.5%), stir after to make antistatic material stoste for subsequent use.
4) will configure antistatic material stoste and inject chemosynthesis reaction still, rotating speed controls at 400 revs/min, and temperature controls at 60 DEG C, stirs 10 hours, stirs;
5) by stirring the ageing 1 hour under 20 DEG C of conditions of the liquid after terminating, naturally cooling to room temperature, obtaining antistatic material;
6) above-mentioned antistatic material is adopted, utilize the automatic air spray gun of bore 0.5, gun slot distance substrate surface 20cm, laterally, longitudinal even application 3 times, examine by the substrate surface sprayed after spraying, guarantee without obvious became uneven, no sag, bubble-free, without decorative pattern, without omitting, spraying terminates to form antistatic backing.
7) formed until substrate surface and to be positioned under normal temperature maintenance after anti-static coating 24 hours, make filmogen generation condensation reaction, form hardened coating film.
8) configuration quality percentage concentration is the visible ray photocatalyst suspension of 1%, and evenly spray with the substrate surface of spray gun after being coated with anti-static coating, quantity for spray controls at 0.01L/m
2, sprayed rear natural drying 10 minutes, formed the self-cleaning coat of photocatalysis and antistatic complex function.
case study on implementation 3:
1) to needing the surface of aluminum plate of carrying out automatically cleaning process to carry out pickling processes, remove surface of aluminum plate dust, dirt, impurity, then adopt nature to dry 4h, ensure substrate surface clean dried.
2) configuration quality percentage concentration is the epoxy resin suspension of 2.5%, and evenly spray with the substrate surface of spray gun in clean dried, quantity for spray controls at 0. 2L/m
2, sprayed rear natural drying 90 minutes, formed confining bed.
3) according to the nano phase ag_2 o 1.5kg(1.5% of weight percent proportioning by film forming agent silane resin 8kg (8%), coalescents low-molecular-weight wax class dispersant 1.5 kg (1.5%), 5nm), the nano silicon oxide 3kg(3% of 5nm), ethylene glycol 40kg(40%), deionized water 46kg(46%), stir after to make antistatic material stoste for subsequent use.
4) will configure antistatic material stoste and inject chemosynthesis reaction still, rotating speed controls at 600 revs/min, and temperature controls at 70 DEG C, stirs 8 hours, stirs;
5) by stirring the ageing 5 hours under 30 DEG C of conditions of the liquid after terminating, naturally cooling to room temperature, obtaining antistatic material;
6) above-mentioned antistatic material is adopted, utilize the automatic air spray gun of bore 1, gun slot distance substrate surface 15cm, laterally, longitudinal even application 4 times, examine by the substrate surface sprayed after spraying, guarantee without obvious became uneven, no sag, bubble-free, without decorative pattern, without omitting, spraying terminates to form antistatic backing.
7) formed until substrate surface and to be positioned under normal temperature maintenance after anti-static coating 1 hour, make filmogen generation condensation reaction, form hardened coating film.
8) configuration quality percentage concentration is the visible ray photocatalyst suspension of 2%, and evenly spray with the substrate surface of spray gun after being coated with anti-static coating, quantity for spray controls at 0.05L/m
2, sprayed rear natural drying 60 minutes, formed the self-cleaning coat of photocatalysis and antistatic complex function.
case study on implementation 4:
1) to needing the ceramic surface carrying out automatically cleaning process to carry out washing process, removing ceramic surface dust, dirt, impurity, then adopting forced air drying 1h, ensureing substrate surface clean dried.
2) configuration quality percentage concentration is the acrylic acid suspension of 5%, and evenly spray with the substrate surface of spray gun in clean dried, quantity for spray controls at 0. 05L/m
2, sprayed rear forced air drying 10 minutes, formed confining bed.
3) according to weight percent proportioning by film forming agent acrylic resin 1kg (1%), become mould auxiliary agent ether alcohol class high polymer 1kg(1%), the nano tin dioxide 1kg(1% of 10nm), the nano silicon oxide 2kg(2% of 6nm), glycerine 35kg(35%), deionized water 60kg(60%), stir after to make antistatic material stoste for subsequent use.
4) will configure antistatic material stoste and inject chemosynthesis reaction still, rotating speed controls at 400 revs/min, and temperature controls at 80 DEG C, stirs 8 hours, stirs;
5) by stirring the ageing 5 hours under 40 DEG C of conditions of the liquid after terminating, naturally cooling to room temperature, obtaining antistatic material;
6) above-mentioned antistatic material is adopted, utilize the automatic air spray gun of bore 1, gun slot distance substrate surface 10cm, laterally, longitudinal even application 2 times, examine by the substrate surface sprayed after spraying, guarantee without obvious became uneven, no sag, bubble-free, without decorative pattern, without omitting, spraying terminates to form antistatic backing.
7) formed until substrate surface and to be positioned under normal temperature maintenance after anti-static coating 48 hours, make filmogen generation condensation reaction, form hardened coating film.
8) configuration quality percentage concentration is the visible ray photocatalyst suspension of 0.5%, and evenly spray with the substrate surface of spray gun after being coated with anti-static coating, quantity for spray controls at 0.02L/m
2, sprayed latter air-dry 5 minutes, formed the self-cleaning coat of photocatalysis and antistatic complex function.
case study on implementation 5:
1) to needing the artificial stone surface of carrying out automatically cleaning process to carry out pickling processes, removing artificial stone surface dirt, dirt, impurity, then adopting forced air drying 2h, ensure substrate surface clean dried.
2) configuration quality percentage concentration is the waterproofing agent of organosilicon suspension of 1%, and evenly spray with the substrate surface of spray gun in clean dried, quantity for spray controls at 0. 1L/m
2, sprayed rear forced air drying 30 minutes, formed confining bed.
3) according to weight percent proportioning by polyurethane finishing agent 8kg (8%), become mould auxiliary agent alcohol ester 12 0.5kg(0.5%), the nano tin dioxide 1kg(1% of 6nm), the nano phase ag_2 o 1kg(1% of 10nm), propyl alcohol 55kg(55%), deionized water 35kg(35%) stir after to make antistatic material stoste for subsequent use.
4) will configure antistatic material stoste and inject chemosynthesis reaction still, rotating speed controls at 300 revs/min, and temperature controls at 60 DEG C, stirs 5 hours, stirs;
5) by stirring the ageing 4 hours under 40 DEG C of conditions of the liquid after terminating, naturally cooling to room temperature, obtaining antistatic material;
6) above-mentioned antistatic material is adopted, utilize the automatic air spray gun of bore 1, gun slot distance substrate surface 20cm, laterally, longitudinal even application 3 times, examine by the substrate surface sprayed after spraying, guarantee without obvious became uneven, no sag, bubble-free, without decorative pattern, without omitting, spraying terminates to form antistatic backing.
7) formed until substrate surface and to be positioned under normal temperature maintenance after anti-static coating 12 hours, make filmogen generation condensation reaction, form hardened coating film.
8) configuration quality percentage concentration is the visible ray photocatalyst suspension of 1%, and evenly spray with the substrate surface of spray gun after being coated with anti-static coating, quantity for spray controls at 0.04L/m
2, sprayed latter air-dry 20 minutes, formed the self-cleaning coat of photocatalysis and antistatic complex function.
case study on implementation 6:
1) to needing the marble surface of carrying out automatically cleaning process to carry out washing process, removing marble surface dust, dirt, impurity, then adopting forced air drying 4h, ensureing substrate surface clean dried.
2) configuration quality percentage concentration is the waterproofing agent of organosilicon suspension of 2%, and evenly spray with the substrate surface of spray gun in clean dried, quantity for spray controls at 0. 02L/m
2, sprayed rear forced air drying 60 minutes, formed confining bed.
3) according to the nano tin dioxide 1.5kg(1.5% of weight percent proportioning by cellulose nitrate film forming agent 5kg (5%), coalescents polyethylene glycol 0.5 kg (0.5%), 9nm), the nano phase ag_2 o 1kg(1% of 7nm), the nano silicon oxide 3kg(3% of 7nm), methyl alcohol 40kg(40%), deionized water 49kg(49%), stir after to make antistatic material stoste for subsequent use.
4) will configure antistatic material stoste and inject chemosynthesis reaction still, rotating speed controls at 600 revs/min, and temperature controls at 80 DEG C, stirs 5 hours, stirs;
5) by stirring the ageing 4 hours under 40 DEG C of conditions of the liquid after terminating, naturally cooling to room temperature, obtaining antistatic material;
6) above-mentioned antistatic material is adopted, utilize the automatic air spray gun of bore 1, gun slot distance substrate surface 15cm, laterally, longitudinal even application 4 times, examine by the substrate surface sprayed after spraying, guarantee without obvious became uneven, no sag, bubble-free, without decorative pattern, without omitting, spraying terminates to form antistatic backing.
7) formed until substrate surface and to be positioned under normal temperature maintenance after anti-static coating 24 hours, make filmogen generation condensation reaction, form hardened coating film.
8) configuration quality percentage concentration is the visible ray photocatalyst suspension of 1%, and evenly spray with the substrate surface of spray gun after being coated with anti-static coating, quantity for spray controls at 0.1L/m
2, sprayed rear natural drying 40 minutes, formed the self-cleaning coat of photocatalysis and antistatic complex function.
The self-cleaning coat of a kind of photocatalysis of the present invention and antistatic complex function and production method thereof take full advantage of the complex effect of the catalysis material of antistatic material and visible ray effect, the method of spraying is adopted to form Nano self-cleaning coating at substrate surface, achieve and a kind ofly both possessed excellent antifouling, dust reduction capability, there is again the novel green material of photo-catalysis function.The present invention is conducive to the application in large-scale terrestrial reference engineering, each landmark design can be become permanent, have characteristics of personality, there is environmental protection, artistic work attractive in appearance.
The self-cleaning coat of a kind of photocatalysis of the present invention and antistatic complex function, mainly for the reality in traditional self-cleaning material field poor performance, develops a kind of coating product of novel self-cleaning function.Product overcomes the defects such as traditional self-cleaning material workability is poor, self-cleaning effect is not remarkable, is applied to external wall and combination with decorative surfaces can be kept to have excellent self-cleaning performance.
The product that the self-cleaning coat of a kind of photocatalysis of the present invention and antistatic complex function and production method thereof make reaches following technical indicator through detection: photocatalysis coating adhesive force 0-1 level; Photocatalysis performance: self-cleaning function is characterized by minimum water contact angle <10 °; Contaminated resistance is decline rate of reflectance <10%;
Claims (8)
1. a self-cleaning coat for photocatalysis and antistatic complex function, is characterized in that: comprise confining bed (2), antistatic backing (3), photocatalysis layer (4); Confining bed (2) is coated in base material (1) surface, at the upper compounded antistatic layer (3) of confining bed (2), finally at the upper composite photocatalyst layer (4) of antistatic backing (3); Described antistatic backing (3) adopts nano SnO
2, Nano-meter SiO_2
2, nanometer Ag
2o, film forming agent, coalescents are dispersed in alcohols solvent by a certain percentage makes antistatic stoste, after high-speed stirred is even, makes for 2-4 time in the spraying of confining bed surface uniform; Described photocatalysis layer (4) adopts commercially available nano titanium oxide solid powder or solvent, is configured to the suspension that mass percentage concentration is 0.1%-2%, with 0.01-0.1L/m
2amount is prepared at anti-static coating surface spraying.
2. the self-cleaning coat of photocatalysis according to claim 1 and antistatic complex function, is characterized in that: at least one in cement plate, glass, aluminium sheet, marble, artificial stone, pottery selected by described base material (1).
3. the self-cleaning coat of photocatalysis according to claim 1 and antistatic complex function, it is characterized in that: described confining bed (2) adopt in waterproofing agent of organosilicon, epoxy resin latex, polypropylene emulsion one or more, be configured to the closed end agent suspension that mass percentage concentration is 0.5%-5%, with 0.01-0.2 L/m
2measure and form in substrate surface spraying.
4. a production method for the self-cleaning coat of photocatalysis and antistatic complex function, is characterized in that:
1) substrate surface carries out washing or pickling processes, removes substrate surface impurity, then adopts nature to dry 2-8h or forced air drying 1-4h, ensures substrate surface clean dried;
2) configuration quality percentage concentration is the closed end agent suspension of 0.5%-5%, and evenly spray with the substrate surface of spray gun after clean dried, quantity for spray controls at 0.01-0.2L/m
2, sprayed rear natural drying 30 minutes-90 minutes or forced air drying 10 minutes-60 minutes, formed confining bed;
3) by solvent, nano SnO
2, SiO
2, Ag
2o, film forming agent, coalescents, according to the mixing of following weight per distribution ratio, make antistatic material stoste, described nano SnO after stirring
2, SiO
2and Ag
2o uses simultaneously or selects wherein two kinds, and wherein raw material weight per distribution ratio is:
Film forming agent 1-10%
Coalescents 0-1.5%
Nano SnO
20-2%
Nanometer Ag
2o 0-1.5%
Nano-meter SiO_2
20-5%
Solvent 35-55%
Deionized water 35-60%;
4) will configure antistatic material stoste and inject chemosynthesis reaction still, rotating speed controls at 300-600 rev/min, and temperature controls at 60-80 DEG C, stirs 5-10 hour, stirs;
5) the liquid ageing 1-5 hour under 20-40 DEG C of condition after terminating will be stirred, naturally cool to room temperature, obtain antistatic material;
6) above-mentioned antistatic material is adopted, utilize the automatic air spray gun of bore below 1.2, gun slot distance substrate surface 10-20cm, laterally, longitudinal even application 2-4 time, examine by the substrate surface sprayed after spraying, guarantee without obvious became uneven, no sag, bubble-free, without decorative pattern, without omitting, spraying terminates to form antistatic backing;
7) to form after anti-static coating the mode of maintenance under by low-temperature heat or normal temperature until substrate surface, make filmogen generation condensation reaction, form hardened coating film, this hardening process, between 1-48 hour, is determined according to Specific construction environment temperature;
8) configuration quality percentage concentration is the visible ray photocatalyst suspension of 0.1%-2%, and evenly spray with the substrate surface of spray gun after being coated with anti-static coating, quantity for spray controls at 0.01-0.1L/m
2, sprayed latter air-dry 5 minutes-30 minutes or natural drying 10 minutes-60 minutes, formed the self-cleaning coat of photocatalysis and antistatic complex function.
5. the self-cleaning coat production method of photocatalysis according to claim 4 and antistatic complex function, is characterized in that: in described antistatic material, at least one in fluorocarbon resin, silane resin, acrylic resin selected by film forming agent.
6. the self-cleaning coat production method of photocatalysis according to claim 4 and antistatic complex function, is characterized in that: in described antistatic material, coalescents selects one or more in low-molecular-weight wax class dispersant, polyethylene glycol.
7. the self-cleaning coat production method of photocatalysis according to claim 4 and antistatic complex function, is characterized in that: nano SnO in described antistatic material
2select solid content at the linear crystal transparency liquid of 10% particle diameter in 5-10 nanometer; Described nanometer Ag
2o selects particle diameter at the silver oxide colloids solution of 5-20 nanometer; Described Nano-meter SiO_2
2select particle diameter at the sheet SiO of 5-10 nanometer
2sol.
8. the self-cleaning coat production method of photocatalysis according to claim 4 and antistatic complex function, is characterized in that: in described antistatic material, at least one in methyl alcohol, ethanol, propyl alcohol, ethylene glycol, glycerine selected by solvent.
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