CN101549959A - A method of nano self-cleaning glass production in the float glass production line - Google Patents
A method of nano self-cleaning glass production in the float glass production line Download PDFInfo
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- CN101549959A CN101549959A CNA2009100825516A CN200910082551A CN101549959A CN 101549959 A CN101549959 A CN 101549959A CN A2009100825516 A CNA2009100825516 A CN A2009100825516A CN 200910082551 A CN200910082551 A CN 200910082551A CN 101549959 A CN101549959 A CN 101549959A
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Abstract
The invention relates to a method of nano self-cleaning glass production in the float glass production line. At the end of annealing kiln and above the area between the emergency transverse cutting machines in the float glass production line, the method need add the on-line spray equipment for spraying the nano self-cleaning paint across the float glass production line; evenly and directly spray the nano self-cleaning paint in fine mist on the non-tin surface of the glass at temperature 60-120 DEG C obtained at the end of the annealing kiln to form the nano self-cleaning coating; and then continue to follow the cold end manufacturing process of the float glass line to perform the on-line production to eventually obtain the nano self-cleaning glass. The method of invention saves the glass cleaning process before painting the nano self-cleaning paint during the traditional self-cleaning glass manufacturing. It uses the on-line clean glass obtained at end of the annealing kiln, directly sprays the nano self-cleaning paint on the non-tin glass surface to form the film; and saves the glass cleaning process as well as the resources.
Description
Technical field
The invention belongs to functional materials technology and glass processing field, particularly on floatation glass production line, produce the method for nano self-cleaning glass.
Background technology
Nano self-cleaning glass is a kind of new function type glass material that grows up recent years, and its appearance has brought the brand-new glass of people and cleaned and maintenance mode.Studies show that TiO
2Film has self-cleaning function, under illumination condition, and the TiO on various matrixes (comprising glass, pottery, plastics etc.) surface
2Can decompose adsorb organic compound, avoid adhering to of organic pollutant, thereby reach self-cleaning effect.Therefore utilize TiO
2The self-cleaning glass of preparation is the most noticeable.If building and venue all are equipped with TiO
2The glass of coating, pollutent can not purify air, thereby improve the looks in city in surface attachment simultaneously, protect the beautiful color of glass forever.
The method of production self-cleaning glass has a variety of, as: magnetron sputtering method, sol-gel method, chemical Vapor deposition process or the like.CN200610019338.7 has proposed the employing magnetron sputtering technique and has prepared self-cleaning glass, and its technical scheme will be through 500 ℃ high-temperature heat treatment 30～60 minutes, though TiO
2Rete possesses good hydrophilicity, but the cost height is difficult to apply TiO
2The photocatalytic activity of rete was not mentioned in this invention yet.And the automatically cleaning effect of self-cleaning glass not only will possess good hydrophilicity, and will possess higher photocatalytic activity simultaneously.CN200610035099.4 has proposed a kind of permanent self-cleaning glass and preparation method with visible-light response type, earlier at clean glass surface sputter nanometer titanium dioxide silicon film, the modified nano-titanium dioxide thin film mixed altogether of sputter one deck negatively charged ion, positively charged ion again on the nanometer titanium dioxide silicon film surface then, the glass that has plated bilayer film is 500～600 ℃ of annealing down, and naturally cooling promptly gets self-cleaning glass in the sintering oven.Wherein, this method more complicated for preparing self-cleaning glass should use also very inconvenient.The patent of invention of CN03113881.0 relates to the preparation method of the nano oxidized titanium glass of a kind of mixed crystal, and its main component is rutile-phase nano titanium oxide, anatase-phase nano titanium dioxide and silicon-dioxide, adopts the crystal pulling method film forming.Wherein the rutile-phase nano titanium oxide can derive from the rutile-phase nano titania slurry, also can be obtained by anatase phase nano titanium oxide phase transformation after heat treatment.Because the difference of crystalline structure, the existence of mixed crystal can promote separating of light induced electron and hole charge effectively, thereby improves the photocatalysis characteristic of the nano-titanium dioxide film of preparation.The experiment proved that the nano titanium oxide self-cleaning glass that the method that is proposed by this invention prepares has good photocatalysis characteristic and Superhydrophilic.
The common issue with of utilizing above several method to prepare the self-cleaning glass existence is:
(1) off-line is produced self-cleaning glass, does not make full use of online resource.Off-line production need be passed through the lengthy and tedious programs of a series of complexity such as cleaning, oven dry.
(2) too high to the thermal treatment temp of super hydrophilic film, produce restricted, therefore, the preparation technology of super hydrophilic film is not suitable for existing floatation glass production line on the self-cleaning glass of being mentioned in the invention, and resulting super hydrophilic film strength is lower, production cost height, thereby the commercial application of restriction self-cleaning glass.
Summary of the invention
The objective of the invention is to overcome the common issue with that above-mentioned preparation self-cleaning glass exists, make full use of the floatation glass production line resource, between end of the annealing furnace on the floatation glass production line and emergent transverse cutting unit, add the cross-line spraying equipment, thereby a kind of method of producing nano self-cleaning glass on floatation glass production line is provided.
The present invention adds the cross-line spraying equipment between the annealing furnace end of floatation glass production line and emergent transverse cutting unit, spraying nano self-cleaning paint film forming on the non-tin face of glass, the temperature of the glass surface in spraying nano self-cleaning paint process is between 60～120 ℃, and nano self-cleaning paint can form the coating that wear resistance is firm more, photocatalytic activity is stronger at glass surface under this temperature.
Method of producing nano self-cleaning glass on floatation glass production line of the present invention may further comprise the steps:
(1). the top between annealing furnace end of floatation glass production line (when finish in the hot junction) and emergent transverse cutting unit in the zone, set up the on-line spray equipment that is used to spray nano self-cleaning paint across floatation glass production line; It is on the non-tin face of 60～120 ℃ of glass that the direct uniform atomizing of nano self-cleaning paint is sprayed on the temperature that the annealing furnace end obtains, and forms the coating of nano self-cleaning paint on the non-tin face of glass;
(2). the glass that forms the nano self-cleaning paint coating on the non-tin face of glass that step (1) is obtained continues to carry out online production according to the cold junction production process of float glass line glass, finally obtains nano self-cleaning glass.
The lance head of described on-line spray equipment is perpendicular to the non-tin face of floatation glass production line upper glass band, and the traffic direction of the lance head of on-line spray equipment becomes an angle of 90 degrees to do level with the traffic direction of glass ribbon back and forth to move.The flow of liquid nano self-cleaning coating of fabric width, spray gun pressure of compressed air and spray gun ejection of nano self-cleaning paint of can the automatic control system by on-line spray equipment regulating reciprocal travelling speed, the spray gun ejection atomizing of spray gun obtains different fabric widths and thickness and the coating of the nano self-cleaning paint of homogeneity is arranged.
The lance head of described on-line spray equipment is 100～400mm perpendicular to the distance of the non-tin face of floatation glass production line upper glass band.
The traffic direction of the lance head of on-line spray equipment becomes an angle of 90 degrees to do the reciprocal operation of level with the traffic direction of glass ribbon velocity range is 0.1～10m/s, and the favor speed scope is 0.5～2m/s.
The flow of the spraying nano self-cleaning paint of the lance head of described on-line spray equipment when the spraying nano self-cleaning paint is 0.1～2L/min; The used pressure of compressed air of the spray gun of on-line spray equipment is 0.1～0.6Mpa.
Described nano self-cleaning paint is to be stirred by raw material polysiloxane, raw material anatase-type nanometer titanium dioxide and solvent to form, wherein, the mass percentage content of polysiloxane is 0.5～20% in coating, the mass percentage content of anatase-type nanometer titanium dioxide is 0.5～20%, and the mass percentage content of solvent is 60～99%.
It is a kind of in 95% the ethanol that described solvent is selected from water, methyl alcohol, mass concentration; Or to be selected from water, dehydrated alcohol, methyl alcohol, mass concentration be at least three kinds mixture in the group formed of 95% ethanol, Virahol, acetone, butanols, butanone, butyleneglycol, propylene glycol, ethylene glycol, isopropylcarbinol, ethylene glycol ethyl ether, butyl glycol ether, ethylene glycol monomethyl ether, 4-hydroxy-4-methyl-2 pentanone, N-Methyl pyrrolidone, the anti-scratch slip(ping)agent of water-based, membrane-forming agent.
The particle diameter of described anatase-type nanometer titanium dioxide raw material is 10～30nm, and it is the commercially available prod, also can be prepared with reference to the CN03119113.4 disclosed method.
Described polysiloxane is the DR100 that Beijing ZKSN Saina Glass Technology Co., Ltd. produces.
The anti-scratch slip(ping)agent of described water-based is a Guangzhou Si Luoke chemistry company limited
-8300PS or
-8510 etc.
Described membrane-forming agent is gylcol ether or vinyl ethylene glycol butyl ether class etc.
Described gylcol ether is a kind of in ethylene glycol monomethyl ether, ethylene glycol monoethyl ether, the ethylene glycol monobutyl ether etc.
The fabric width of the spray gun spraying atomizing nano self-cleaning paint of described on-line spray equipment is 100～400mm.
The operation that before the coated with nano self-cleaning coating, must clean glass earlier when method of the present invention has been save the traditional preparation process self-cleaning glass, under the condition that does not change floatation glass production line, only set up the on-line spray equipment that is used to spray nano self-cleaning paint across floatation glass production line, the online clean glass that utilizes the annealing furnace end of floatation glass production line to obtain, directly spray the nano self-cleaning paint film forming at the non-tin face of glass, need not to spend great amount of manpower, financial resources spray nano self-cleaning paint after removing to clean glass again.Method of the present invention has been saved the operation of cleaning glass, has saved resource simultaneously.
The nano self-cleaning glass that method of the present invention obtains has good photocatalytic (efficient of the tropeolin-D of per hour degrading has improved nearly 4 times) and photic wetting ability under visible light, stable performance, and do not influence the transmittance of glass, the glass curtain wall that can be widely used in high-rise building, vehicle glass, the street lamp lampshade, kitchen glass, and antifog glass, can exempt the artificial cleaning of high-rise building indoor and outdoor glass, saved the man power and material, and reduced corrosion and destruction that artificial cleaning uses sanitising agent to bring, had environment protecting glass and building structure.
Description of drawings
Fig. 1. obtain the test of nano self-cleaning glass surface and water contact angle θ in the embodiment of the invention 1.
Fig. 2. obtain the spectrum property of nano self-cleaning glass in the embodiment of the invention 4.
Fig. 3. obtain the Electronic Speculum picture of nano self-cleaning glass in the embodiment of the invention 8.
Embodiment
Embodiment 1
(1). at the annealing furnace of floatation glass production line between the terminal and emergent transverse cutting unit in the zone above, set up the on-line spray equipment that is used to spray nano self-cleaning paint across floatation glass production line, the lance head of on-line spray equipment is perpendicular to the 100mm place, non-tin face top of floatation glass production line upper glass band, and the traffic direction of the lance head of on-line spray equipment become an angle of 90 degrees to do speed with the traffic direction of glass ribbon be that the level of 10m/s is back and forth moved; It is on the non-tin face of 120 ℃ of glass that the direct uniform atomizing of nano self-cleaning paint is sprayed on the temperature that the annealing furnace end obtains, and forms the coating of nano self-cleaning paint on the non-tin face of glass; Wherein: the used pressure of compressed air of spray gun of the on-line spray equipment of spraying nano self-cleaning paint is 0.6Mpa, and the flow of spraying nano self-cleaning paint is 0.5L/min; The fabric width of the spray gun spraying atomizing nano self-cleaning paint of the on-line spray equipment of spraying nano self-cleaning paint is 100mm.
(2). etc. the glass that obtains of step (1) forming the nano self-cleaning paint coating on the non-tin face of glass cut after entering the cold junction of floatation glass production line, obtain the nano self-cleaning glass of required size.Coating preservative film again before the vanning of the nano self-cleaning glass that obtains is with the integrity of the coating that guarantees the nano self-cleaning glass surface.
Spray the super hydrophilic nano self-cleaning glass that nano self-cleaning paints obtain at 120 ℃, the acid resistance of rete, alkali resistance and sticking power all are higher than the self-cleaning glass that the spraying nano self-cleaning paint obtains under the room temperature, sample after the nano self-cleaning glass cutting that obtains is carried out the water contact angle test, the results are shown in shown in Figure 1, nano self-cleaning glass surface and water contact angle be about 10 the degree.
Described nano self-cleaning paint is to be that the anatase-type nanometer titanium dioxide of 10～15nm and solvent stir and form by the DR100 of Beijing ZKSN Saina Glass Technology Co., Ltd., particle diameter, wherein, the mass percentage content of the DR100 of Beijing ZKSN Saina Glass Technology Co., Ltd. is 0.7% in coating, the mass percentage content of anatase-type nanometer titanium dioxide is that 0.3%, 95% ethanol mass percentage content is 99%.
Embodiment 2
(1). at the annealing furnace of floatation glass production line between the terminal and emergent transverse cutting unit in the zone above, set up the on-line spray equipment that is used to spray nano self-cleaning paint across floatation glass production line, the lance head of on-line spray equipment is perpendicular to the 400mm place, non-tin face top of floatation glass production line upper glass band, and the traffic direction of the lance head of on-line spray equipment become an angle of 90 degrees to do speed with the traffic direction of glass ribbon be that the level of 1.2m/s is back and forth moved; It is on the non-tin face of 85 ℃ of glass that the direct uniform atomizing of nano self-cleaning paint is sprayed on the temperature that the annealing furnace end obtains, and forms the coating of nano self-cleaning paint on the non-tin face of glass; Wherein: the used pressure of compressed air of spray gun of the on-line spray equipment of spraying nano self-cleaning paint is 0.5Mpa, and the flow of spraying nano self-cleaning paint is 1.0L/min; The fabric width of the spray gun spraying atomizing nano self-cleaning paint of the on-line spray equipment of spraying nano self-cleaning paint is 200mm.
(2). etc. the glass that obtains of step (1) forming the nano self-cleaning paint coating on the non-tin face of glass cut after entering the cold junction of floatation glass production line, obtain the nano self-cleaning glass of required size.Coating preservative film again before the vanning of the nano self-cleaning glass that obtains is with the integrity of the coating that guarantees the nano self-cleaning glass surface.
Spray the super hydrophilic nano self-cleaning glass that nano self-cleaning paints obtain at 85 ℃, normal temperature and pressure solidifies just can obtain super hydrophilic nano self-cleaning glass, do not need high temperature sintering, the ageing-resistant performance of rete, acidproof and alkaline resistance properties, sticking power all reach national coating standard.Acid treatment is carried out on self-cleaning glass surface after will solidifying again, and used acid is the aqueous sulfuric acid of 0.001M, and soak time is 1.1 hours, after rinse well with tap water the taking-up back, use deionized water rinsing again, dry under the natural condition, carry out the contact angle test again, contact angle is 4 degree.
Described nano self-cleaning paint is to be that the anatase-type nanometer titanium dioxide of 15～20nm and solvent stir and form by the DR100 of Beijing ZKSN Saina Glass Technology Co., Ltd., particle diameter, wherein, the mass percentage content of self-cleaning coating is 20%, the mass percentage content of the DR100 of Beijing ZKSN Saina Glass Technology Co., Ltd. is 12% in coating, the mass percentage content of anatase-type nanometer titanium dioxide is 8%, Virahol, propylene glycol, ethylene glycol, isopropylcarbinol, vinyl ethylene glycol butyl ether,
-8510 to wait the mass percentage content of all solvents be 80%.
Embodiment 3
(1). at the annealing furnace of floatation glass production line between the terminal and emergent transverse cutting unit in the zone above, set up the on-line spray equipment that is used to spray nano self-cleaning paint across floatation glass production line, the lance head of on-line spray equipment is perpendicular to the 150mm place, non-tin face top of floatation glass production line upper glass band, and the traffic direction of the lance head of on-line spray equipment become an angle of 90 degrees to do speed with the traffic direction of glass ribbon be that the level of 10m/s is back and forth moved; It is on the non-tin face of 60 ℃ of glass that the direct uniform atomizing of nano self-cleaning paint is sprayed on the temperature that the annealing furnace end obtains, and forms the coating of nano self-cleaning paint on the non-tin face of glass; Wherein: the used pressure of compressed air of spray gun of the on-line spray equipment of spraying nano self-cleaning paint is 0.1Mpa, and the flow of spraying nano self-cleaning paint is 2.0L/min; The fabric width of the spray gun spraying atomizing nano self-cleaning paint of the on-line spray equipment of spraying nano self-cleaning paint is 400mm.
(2). etc. the glass that obtains of step (1) forming the nano self-cleaning paint coating on the non-tin face of glass cut after entering the cold junction of floatation glass production line, obtain the nano self-cleaning glass of required size.Coating preservative film again before the vanning of the nano self-cleaning glass that obtains is with the integrity of the coating that guarantees the nano self-cleaning glass surface.
Spray the super hydrophilic nano self-cleaning glass that nano self-cleaning paints obtain at 60 ℃, normal temperature and pressure solidifies just can obtain super hydrophilic nano self-cleaning glass, the on-line spray that carries out float glass line with the reciprocal travelling speed of the level of 10m/s prepares nano self-cleaning glass, and this product still has good hydrophilicity.
Described nano self-cleaning paint is the DR100 by Beijing ZKSN Saina Glass Technology Co., Ltd., particle diameter is that anatase-type nanometer titanium dioxide and the solvent stirring of 25～30nm forms, wherein, the mass percentage content of self-cleaning coating is 40%, the mass percentage content of the DR100 of Beijing ZKSN Saina Glass Technology Co., Ltd. is 25% in coating, the mass percentage content of anatase-type nanometer titanium dioxide is 15%, and mass concentration is 95% ethanol, acetone, butanols, butanone, butyleneglycol, ethylene glycol ethyl ether, butyl glycol ether 4-hydroxy-4-methyl-2 pentanone, the mass percentage content of all solvents such as N-Methyl pyrrolidone is 60%.
Embodiment 4
(1). at the annealing furnace of floatation glass production line between the terminal and emergent transverse cutting unit in the zone above, set up the on-line spray equipment that is used to spray nano self-cleaning paint across floatation glass production line, the lance head of on-line spray equipment is perpendicular to the 120mm place, non-tin face top of floatation glass production line upper glass band, and the traffic direction of the lance head of on-line spray equipment become an angle of 90 degrees to do speed with the traffic direction of glass ribbon be that the level of 2.8m/s is back and forth moved; It is on the non-tin face of 100 ℃ of glass that the direct uniform atomizing of nano self-cleaning paint is sprayed on the temperature that the annealing furnace end obtains, and forms the coating of nano self-cleaning paint on the non-tin face of glass; Wherein: the used pressure of compressed air of spray gun of the on-line spray equipment of spraying nano self-cleaning paint is 0.4Mpa, and the flow of spraying nano self-cleaning paint is 0.1L/min; The fabric width of the spray gun spraying atomizing nano self-cleaning paint of the on-line spray equipment of spraying nano self-cleaning paint is 300mm.
(2). etc. the glass that obtains of step (1) forming the nano self-cleaning paint coating on the non-tin face of glass cut after entering the cold junction of floatation glass production line, obtain the nano self-cleaning glass of required size.Coating preservative film again before the vanning of the nano self-cleaning glass that obtains is with the integrity of the coating that guarantees the nano self-cleaning glass surface.
Under the constant condition of above-mentioned condition, be 120 ℃ in the surplus temperature of glass respectively, 85 ℃, 60 ℃ of on-line spray nano self-cleaning paints prepare nano self-cleaning glass.The nano self-cleaning glass face homogeneous of preparation, it is little to test contact angle difference everywhere, carries out optical performance test, is followed successively by 120 ℃ among Fig. 2 from top to bottom, and 85 ℃, 60 ℃, 100 ℃ of on-line spray nano self-cleaning glass transmission of visible lights.
Described nano self-cleaning paint is the DR100 by Beijing ZKSN Saina Glass Technology Co., Ltd., particle diameter is that anatase-type nanometer titanium dioxide and the solvent stirring of 10～30nm forms, wherein, the mass percentage content of self-cleaning coating is 15%, the mass percentage content of the DR100 of Beijing ZKSN Saina Glass Technology Co., Ltd. is 7% in coating, the mass percentage content of anatase-type nanometer titanium dioxide is 8%, methyl alcohol, mass concentration is 95% ethanol, propylene glycol, ethylene glycol, isopropylcarbinol, ethylene glycol ethyl ether, ethylene glycol monomethyl ether, 4-hydroxy-4-methyl-2 pentanone, N-Methyl pyrrolidone, the anti-scratch slip(ping)agent of water-based be (Guangzhou Si Luoke chemistry company limited
-8300PS) to wait the mass percentage content of all solvents be 85%.
Embodiment 5
Get 5 in the nano self-cleaning glass of float glass process online production among the embodiment 2, specification is 10cm * 10cm, carries out the aging resistance test by GB/T 1865-1997, the self-cleaning glass film surface has a little incrustation scale after 2000 hours, after the dilute hydrochloric acid cleaning, carry out the contact angle test, the result is 8 degree.Rete still exists, and illustrates that nano self-cleaning glass ageing-resistant performance is good.
The preparation method of described nano self-cleaning paint is with among the embodiment 2.
Embodiment 6
(1). at the annealing furnace of floatation glass production line between the terminal and emergent transverse cutting unit in the zone above, set up the on-line spray equipment that is used to spray nano self-cleaning paint across floatation glass production line, the lance head of on-line spray equipment is perpendicular to the 280mm place, non-tin face top of floatation glass production line upper glass band, and the traffic direction of the lance head of on-line spray equipment become an angle of 90 degrees to do speed with the traffic direction of glass ribbon be that the level of 0.1m/s is back and forth moved; It is on the non-tin face of 75 ℃ of glass that the direct uniform atomizing of nano self-cleaning paint is sprayed on the temperature that the annealing furnace end obtains, and forms the coating of nano self-cleaning paint on the non-tin face of glass; Wherein: the used pressure of compressed air of spray gun of the on-line spray equipment of spraying nano self-cleaning paint is 0.3Mpa, and the flow of spraying nano self-cleaning paint is 1.5L/min; The fabric width of the spray gun spraying atomizing nano self-cleaning paint of the on-line spray equipment of spraying nano self-cleaning paint is 150mm.
(2). etc. the glass that obtains of step (1) forming the nano self-cleaning paint coating on the non-tin face of glass cut after entering the cold junction of floatation glass production line, obtain the nano self-cleaning glass of required size.Coating preservative film again before the vanning of the nano self-cleaning glass that obtains is with the integrity of the coating that guarantees the nano self-cleaning glass surface.
(3). compound concentration is the methylene blue solution of 1mmol/l, evenly be coated in the nano self-cleaning glass surface with dropper, after seasoning, being placed on wavelength is following the irradiation after 3 hours of ultraviolet lamp of 365nm, glass is Natural color, carries out the transmittance test, and transmittance is 80% as a result, this presentation of results nano self-cleaning automatically cleaning rete on glass has decomposed organic dye fully, has good photocatalysis performance.
Described nano self-cleaning paint is the DR100 by Beijing ZKSN Saina Glass Technology Co., Ltd., particle diameter is the anatase-type nanometer titanium dioxide of 10～15nm and moltenly mixes together together, wherein, the mass percentage content of self-cleaning coating is 10%, the mass percentage content of the DR100 of Beijing ZKSN Saina Glass Technology Co., Ltd. is 3% in coating, the mass percentage content of anatase-type nanometer titanium dioxide is 7%, and mass concentration is 95% ethanol, methyl alcohol, Virahol, acetone, butyleneglycol, isopropylcarbinol, ethylene glycol monomethyl ether, 4-hydroxy-4-methyl-2 pentanone, the mass percentage content of all solvents is 90%.
Embodiment 7
Adopt GB GB/T17748-1999, the nano self-cleaning glass surface of preparation is drawn grid in embodiment 6, and superficial film does not come off, 0 grade.
Embodiment 8
The nano self-cleaning glass of float glass process online production among the embodiment 2 is carried out online tempering, and the glass surface contact angle changes little, and crystal formation still be a Detitanium-ore-type, and tempering processing simultaneously makes the enhancing that combines of composite membrane and glass surface.
Embodiment 9
In embodiment 4 when the surplus temperature of glass surface is 100 ℃, be taken at identical two of the nano self-cleaning glass size (25mm*25mm) of wire spraying preparation and carry out photochemical catalysis experiment (seeing Table 1), per hour the result of decomposition of methyl orange is: 8.6%, comparative sample is a room temperature spraying sample, and the result is: 2.1%.
Illustrate: the glass that will have the self-cleaning nona film is immersed in the methyl orange aqueous solution of 20mg/l, after UV-light (UV) is shone 1 hour, tropeolin-D reduces oxygenolysis, particularly near the nano self-cleaning glass film tropeolin-D in the 100nm scope because the oxidation catalysis effect of film and promote the oxidation, quicken to reduce, thereby reduce the concentration of methyl orange solution, be the information that the methyl orange solution change in concentration has been carried the photocatalytic oxidation properties of nano self-cleaning glass film, measure the variation of methyl orange solution concentration, by calculating the data of the photocatalysis performance that can obtain the nano self-cleaning glass film.
Table 1
Claims (10)
1. method of producing nano self-cleaning glass on floatation glass production line is characterized in that this method may further comprise the steps:
(1). at the annealing furnace of floatation glass production line between the terminal and emergent transverse cutting unit in the zone above, set up the on-line spray equipment that is used to spray nano self-cleaning paint across floatation glass production line; It is on the non-tin face of 60～120 ℃ of glass that the direct uniform atomizing of nano self-cleaning paint is sprayed on the temperature that the annealing furnace end obtains, and forms the coating of nano self-cleaning paint on the non-tin face of glass;
(2). the glass that forms the nano self-cleaning paint coating on the non-tin face of glass that step (1) is obtained continues to carry out online production according to the cold junction production process of float glass line glass, finally obtains nano self-cleaning glass.
2. method according to claim 1, it is characterized in that: the lance head of described on-line spray equipment is perpendicular to the non-tin face of floatation glass production line upper glass band, and the traffic direction of the lance head of on-line spray equipment becomes an angle of 90 degrees to do level with the traffic direction of glass ribbon back and forth to move.
3. method according to claim 2 is characterized in that: the lance head of described on-line spray equipment is 100～400mm perpendicular to the distance of the non-tin face of floatation glass production line upper glass band.
4. method according to claim 2 is characterized in that: the traffic direction of the lance head of on-line spray equipment becomes an angle of 90 degrees to do the reciprocal operation of level with the traffic direction of glass ribbon velocity range is 0.1～10m/s.
5. according to claim 1,2,3 or 4 described methods, it is characterized in that: the flow of the nano self-cleaning paint of the lance head of on-line spray equipment when the spraying nano self-cleaning paint is 0.1～2L/min; The used pressure of compressed air of the spray gun of on-line spray equipment is 0.1～0.6Mpa.
6. method according to claim 1, it is characterized in that: described nano self-cleaning paint is to be stirred by raw material polysiloxane, raw material anatase-type nanometer titanium dioxide and solvent to form, wherein, the mass percentage content of polysiloxane is 0.5～20% in coating, the mass percentage content of anatase-type nanometer titanium dioxide is 0.5～20%, and the mass percentage content of solvent is 60～99%.
7. method according to claim 5, it is characterized in that: described nano self-cleaning paint is to be stirred by raw material polysiloxane, raw material anatase-type nanometer titanium dioxide and solvent to form, wherein, the mass percentage content of polysiloxane is 0.5～20% in coating, the mass percentage content of anatase-type nanometer titanium dioxide is 0.5～20%, and the mass percentage content of solvent is 60～99%.
8. according to claim 6 or 7 described methods, it is characterized in that: it is a kind of in 95% the ethanol that described solvent is selected from water, methyl alcohol, mass concentration; Or to be selected from water, dehydrated alcohol, methyl alcohol, mass concentration be at least three kinds mixture in the group formed of 95% ethanol, Virahol, acetone, butanols, butanone, butyleneglycol, propylene glycol, ethylene glycol, isopropylcarbinol, ethylene glycol ethyl ether, butyl glycol ether, ethylene glycol monomethyl ether, 4-hydroxy-4-methyl-2 pentanone, N-Methyl pyrrolidone, the anti-scratch slip(ping)agent of water-based, membrane-forming agent;
The particle diameter of described anatase-type nanometer titanium dioxide raw material is 10～30nm;
Described polysiloxane is the DR100 of Beijing ZKSN Saina Glass Technology Co., Ltd..
9. method according to claim 8 is characterized in that: the anti-scratch slip(ping)agent of described water-based is a Guangzhou Si Luoke chemistry company limited
Or
Described membrane-forming agent is glycol ether or vinyl ethylene glycol butyl ether.
10. method according to claim 9 is characterized in that: described glycol ether is a kind of in ethylene glycol monomethyl ether, ethylene glycol monoethyl ether, the ethylene glycol monobutyl ether.
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Cited By (11)
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| CN102040338A (en) * | 2010-11-11 | 2011-05-04 | 奇瑞汽车股份有限公司 | Method for preparing self-cleaning toughened glass |
| CN102167524A (en) * | 2010-12-28 | 2011-08-31 | 奇瑞汽车股份有限公司 | Preparation method of self-cleaning glass |
| CN102219392A (en) * | 2011-05-05 | 2011-10-19 | 北京工业大学 | Strengthening treatment method for glass tube in on-line production process |
| CN102734778A (en) * | 2012-06-04 | 2012-10-17 | 伟盈技术研发(无锡)有限公司 | Novel scale-preventive vapor generator with nano-ceramic coatings adhered to internal cavity of novel scale-preventive vapor generator |
| CN102785413A (en) * | 2011-05-17 | 2012-11-21 | 王东宁 | Preparation method for TiO2 photocatalyst hydrophilic self-cleaning substrate, and photocatalyst coating liquid |
| CN103553351A (en) * | 2013-10-22 | 2014-02-05 | 徐林波 | Inorganic transparent thermal-insulation nano-coating glass online cold terminal manufacture equipment and process |
| CN106287537A (en) * | 2016-08-22 | 2017-01-04 | 孟玲 | A kind of solar LED street lamp |
| CN106381238A (en) * | 2016-08-30 | 2017-02-08 | 四川达文西科技有限公司 | Glass cleaning agent |
| CN108793757A (en) * | 2018-07-11 | 2018-11-13 | 苏州华龙化工有限公司 | A kind of preparation method of antifog glass cotton |
| CN110023262A (en) * | 2016-11-24 | 2019-07-16 | 法国圣戈班玻璃厂 | The method for obtaining label glass plate |
| CN113292245A (en) * | 2020-02-24 | 2021-08-24 | 江苏秀强玻璃工艺股份有限公司 | Multifunctional relief glass and processing method thereof |
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| CN104876452B (en) * | 2015-02-06 | 2018-01-05 | 北京中科赛纳玻璃技术有限公司 | A kind of preparation method of new nano self-cleaning glass |
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| CN1587151A (en) * | 2004-07-08 | 2005-03-02 | 吴兴惠 | Method for on-line producing self cleaning glass and its special device |
| CN101531470B (en) * | 2009-04-20 | 2011-07-20 | 杭州蓝星新材料技术有限公司 | Flaot method for on-line coating self-cleaning coated glass |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102040338A (en) * | 2010-11-11 | 2011-05-04 | 奇瑞汽车股份有限公司 | Method for preparing self-cleaning toughened glass |
| CN102040338B (en) * | 2010-11-11 | 2012-10-24 | 奇瑞汽车股份有限公司 | Method for preparing self-cleaning toughened glass |
| CN102167524B (en) * | 2010-12-28 | 2013-08-07 | 奇瑞汽车股份有限公司 | Preparation method of self-cleaning glass |
| CN102167524A (en) * | 2010-12-28 | 2011-08-31 | 奇瑞汽车股份有限公司 | Preparation method of self-cleaning glass |
| CN102219392A (en) * | 2011-05-05 | 2011-10-19 | 北京工业大学 | Strengthening treatment method for glass tube in on-line production process |
| CN102785413A (en) * | 2011-05-17 | 2012-11-21 | 王东宁 | Preparation method for TiO2 photocatalyst hydrophilic self-cleaning substrate, and photocatalyst coating liquid |
| CN102734778A (en) * | 2012-06-04 | 2012-10-17 | 伟盈技术研发(无锡)有限公司 | Novel scale-preventive vapor generator with nano-ceramic coatings adhered to internal cavity of novel scale-preventive vapor generator |
| CN103553351A (en) * | 2013-10-22 | 2014-02-05 | 徐林波 | Inorganic transparent thermal-insulation nano-coating glass online cold terminal manufacture equipment and process |
| CN106287537A (en) * | 2016-08-22 | 2017-01-04 | 孟玲 | A kind of solar LED street lamp |
| CN106381238A (en) * | 2016-08-30 | 2017-02-08 | 四川达文西科技有限公司 | Glass cleaning agent |
| CN110023262A (en) * | 2016-11-24 | 2019-07-16 | 法国圣戈班玻璃厂 | The method for obtaining label glass plate |
| CN108793757A (en) * | 2018-07-11 | 2018-11-13 | 苏州华龙化工有限公司 | A kind of preparation method of antifog glass cotton |
| CN113292245A (en) * | 2020-02-24 | 2021-08-24 | 江苏秀强玻璃工艺股份有限公司 | Multifunctional relief glass and processing method thereof |
| CN113292245B (en) * | 2020-02-24 | 2022-05-13 | 江苏秀强玻璃工艺股份有限公司 | Multifunctional relief glass and processing method thereof |
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