CN106587622A - Transparent heat-insulating glass glaze material and preparation method thereof - Google Patents
Transparent heat-insulating glass glaze material and preparation method thereof Download PDFInfo
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- CN106587622A CN106587622A CN201611255697.2A CN201611255697A CN106587622A CN 106587622 A CN106587622 A CN 106587622A CN 201611255697 A CN201611255697 A CN 201611255697A CN 106587622 A CN106587622 A CN 106587622A
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- 239000011521 glass Substances 0.000 title claims abstract description 91
- 238000002360 preparation method Methods 0.000 title claims abstract description 21
- 239000000463 material Substances 0.000 title abstract description 9
- 239000000843 powder Substances 0.000 claims abstract description 43
- 239000011248 coating agent Substances 0.000 claims abstract description 30
- 238000000576 coating method Methods 0.000 claims abstract description 30
- 230000005855 radiation Effects 0.000 claims abstract description 26
- 239000011858 nanopowder Substances 0.000 claims abstract description 21
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 14
- 238000000034 method Methods 0.000 claims abstract description 8
- 230000032683 aging Effects 0.000 claims abstract description 5
- 230000004888 barrier function Effects 0.000 claims description 39
- 230000008018 melting Effects 0.000 claims description 30
- 238000002844 melting Methods 0.000 claims description 30
- 239000011159 matrix material Substances 0.000 claims description 13
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 12
- 239000002245 particle Substances 0.000 claims description 11
- 239000002419 bulk glass Substances 0.000 claims description 10
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 8
- WMWLMWRWZQELOS-UHFFFAOYSA-N bismuth(iii) oxide Chemical compound O=[Bi]O[Bi]=O WMWLMWRWZQELOS-UHFFFAOYSA-N 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
- 229910021626 Tin(II) chloride Inorganic materials 0.000 claims description 5
- 238000000498 ball milling Methods 0.000 claims description 5
- 150000001875 compounds Chemical class 0.000 claims description 5
- 229910052802 copper Inorganic materials 0.000 claims description 5
- 239000010949 copper Substances 0.000 claims description 5
- 239000003814 drug Substances 0.000 claims description 5
- 229940079593 drug Drugs 0.000 claims description 5
- 238000001035 drying Methods 0.000 claims description 5
- 238000010791 quenching Methods 0.000 claims description 5
- 230000000171 quenching effect Effects 0.000 claims description 5
- 239000002994 raw material Substances 0.000 claims description 5
- 239000002002 slurry Substances 0.000 claims description 5
- 238000005507 spraying Methods 0.000 claims description 5
- AXZWODMDQAVCJE-UHFFFAOYSA-L tin(II) chloride (anhydrous) Chemical compound [Cl-].[Cl-].[Sn+2] AXZWODMDQAVCJE-UHFFFAOYSA-L 0.000 claims description 5
- 239000004965 Silica aerogel Substances 0.000 claims description 4
- 229910052681 coesite Inorganic materials 0.000 claims description 4
- 229910052906 cristobalite Inorganic materials 0.000 claims description 4
- 230000008021 deposition Effects 0.000 claims description 4
- 239000000377 silicon dioxide Substances 0.000 claims description 4
- 229910052682 stishovite Inorganic materials 0.000 claims description 4
- 239000004408 titanium dioxide Substances 0.000 claims description 4
- 229910052905 tridymite Inorganic materials 0.000 claims description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 3
- 239000011247 coating layer Substances 0.000 claims description 3
- 229910052593 corundum Inorganic materials 0.000 claims description 3
- 230000009477 glass transition Effects 0.000 claims description 3
- 238000007493 shaping process Methods 0.000 claims description 3
- 238000005245 sintering Methods 0.000 claims description 3
- 229910001845 yogo sapphire Inorganic materials 0.000 claims description 3
- 229910003069 TeO2 Inorganic materials 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims 1
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 abstract description 8
- 229910001887 tin oxide Inorganic materials 0.000 abstract description 6
- 239000005543 nano-size silicon particle Substances 0.000 abstract description 5
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 abstract description 4
- 239000011787 zinc oxide Substances 0.000 abstract description 2
- 239000002981 blocking agent Substances 0.000 abstract 6
- 239000004964 aerogel Substances 0.000 abstract 1
- 239000005328 architectural glass Substances 0.000 abstract 1
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 abstract 1
- 235000012239 silicon dioxide Nutrition 0.000 abstract 1
- 230000009466 transformation Effects 0.000 abstract 1
- 238000004017 vitrification Methods 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 5
- 241000209094 Oryza Species 0.000 description 3
- 235000007164 Oryza sativa Nutrition 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 239000003292 glue Substances 0.000 description 3
- 235000009566 rice Nutrition 0.000 description 3
- 238000001228 spectrum Methods 0.000 description 3
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 229910052738 indium Inorganic materials 0.000 description 2
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 239000002086 nanomaterial Substances 0.000 description 2
- 238000010422 painting Methods 0.000 description 2
- 229910002012 Aerosil® Inorganic materials 0.000 description 1
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 235000013312 flour Nutrition 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 230000002285 radioactive effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C8/00—Enamels; Glazes; Fusion seal compositions being frit compositions having non-frit additions
- C03C8/02—Frit compositions, i.e. in a powdered or comminuted form
- C03C8/08—Frit compositions, i.e. in a powdered or comminuted form containing phosphorus
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
- C03C17/02—Surface treatment of glass, not in the form of fibres or filaments, by coating with glass
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C8/00—Enamels; Glazes; Fusion seal compositions being frit compositions having non-frit additions
- C03C8/02—Frit compositions, i.e. in a powdered or comminuted form
- C03C8/06—Frit compositions, i.e. in a powdered or comminuted form containing halogen
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C8/00—Enamels; Glazes; Fusion seal compositions being frit compositions having non-frit additions
- C03C8/14—Glass frit mixtures having non-frit additions, e.g. opacifiers, colorants, mill-additions
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Glass Compositions (AREA)
- Joining Of Glass To Other Materials (AREA)
Abstract
The invention discloses a transparent heat-insulating glass glaze material and a preparation method thereof. The method specifically comprises the following steps: uniformly mixing low-melting-point glass powder, a thermal radiation blocking agent and a thermal conduction blocking agent to obtain a heat-insulating glass glaze material, wherein the ratio of the parts by mass of the low-melting-point glass powder to the thermal radiation blocking agent to the thermal conduction blocking agent is (70-90):(5-15):(5-15), the thermal radiation blocking agent is ITO (indium tin oxide) nano powder, ATO (antimony-doped tin oxide) nano powder, FTO (fluorine-doped zinc oxide) nano powder or ZTO (zinc-doped tin oxide) nano powder, the vitrification transformation temperature of the low-melting-point glass powder is less than or equal to 600 DEG C, and the thermal conduction blocking agent is nano silicon dioxide aerogel. When the above heat-insulating glass glaze material is used for preparing a transparent heat-insulating coating, because organic glass is adopted as a filming medium, the properties of stability, ultraviolet aging resistance, wear resistance and the like of a material can be significantly improved. Therefore, the heat-insulating glass glaze material has a broad application prospect in the field of architectural glass.
Description
Technical field
The invention belongs to technical field prepared by energy-saving building materialses, relates in particular to a kind of transparent heat insulating glass glaze
And preparation method thereof.
Background technology
As society is to green, the pay attention to day by day of environmentally friendly, energy-conservation, people it is also proposed to the transparent and heat-proof quality of glass
Higher and higher requirement.Although the simple glass transparency is good, heat insulating effect is not good, causes very big energy loss
And energy resource consumption.The heat transfer of glass has radiation, conduction and three kinds of modes of convection current, and wherein radiant heat transfer accounts for 60%, and conduction heat transfer is accounted for
38%.Therefore, in order to improve the thermal and insulating performance of glass, need set about in terms of radiant heat transfer and conduction heat transfer two simultaneously.
Low-E glass and double glazing are two kinds of major techniques of building energy conservation glass, and Low-E glass is reduction of the radiation of glass and passes
Heat, and double glazing only reduces the conduction heat transfer of glass.Only Low-E glass and double glazing technology are combined,
Radiant heat transfer and conduction heat transfer can simultaneously be reduced.But the Ag coating layer touch air of existing offline Low-E glass can be aoxidized, no
Energy monolithic is used, and online Low-E glass thermal and insulating performance is poor.Therefore, it is badly in need of exploitation novel heat insulation heat-protecting glass new product.
And use coated glass production technology made by transparent heat insulating dope relatively simple, it is not necessary to expensive equipment investment,
And construction technology is also simple than pad pasting.Its inorganic functional material for being used is mainly transparent conductive oxide, such as ITO (oxygen
Change indium stannum), ATO (antimony-doped tin oxide), AZO (aluminium-doped zinc oxide) etc., ultimate principle make use of such nano material
Spectral selection, i.e., near infrared light and the reflexive and the highly transmissive to visible ray of ultraviolet light.It is first that nano material is first
The aqueouss or solvent-borne type slurry of stable dispersion are first made, is then reapplied in coating, obtained with the multi-functional of heat-proof quality
Nano paint, is coated on transparent membrane surface, obtains transparent heat-insulating film.But the coalescents that this kind of mode is used are usually
Organic substance such as organic resin, Merlon etc., limit its service life, at present disclosed transparent heat-insulating film stability,
The aspect performance such as ultraviolet aging resistance, wearability has also been short of.
Additionally, the thermal isolation film formed using transparent conductive oxide, only has blocking effect to radiant heat transfer, can not reduce
The conduction heat transfer of glass material, heat insulating effect is limited.
The content of the invention
For the deficiencies in the prior art, it is an object of the invention to provide a kind of transparent heat insulating glass glaze, of the invention
Another object there is provided a kind of method for preparing transparent heat-insulated coating with the heat-protecting glass glaze.
The purpose of the present invention is achieved by following technical proposals.
A kind of preparation method of transparent heat-protecting glass glaze, by glass powder with low melting point, heat radiation barrier and conduction of heat
Barrier uniformly mixes, and obtains heat-protecting glass glaze；Wherein, the glass powder with low melting point, conduction of heat barrier and heat radiation resistance
Every agent mass parts ratio be (70-90):(5-15):(5-15), the heat radiation barrier is ITO (indium doping stannum oxide) nanometer
Powder body, ATO (antimony-doped tin oxide) nano-powder, FTO (fluorine-doped tin oxide) nano-powders or ZTO (zinc-doped tin oxide) receive
Rice flour body, glass transition temperature≤600 DEG C of the glass powder with low melting point, the conduction of heat barrier is nano silicon
Aeroge.
In above-mentioned technical proposal, the glass powder with low melting point is in 400～600 DEG C of glass formed after sintering 30～120min
Visible light transmissivity >=80% of glass.
In above-mentioned technical proposal, the preparation method of the glass powder with low melting point is comprised the following steps：
1) crude drug is uniformly mixed, at 500～700 DEG C 10-50 minutes is founded, obtain vitreous humour, wherein, the raw material
Medicated powder by weight percentage, is uniformly mixed by following compounds：30～50% SnCl2, 10～30% P2O5, 10
～20% B2O3, 5～25% Bi2O3、V2O5、SiO2、TeO2Or Al2O3；
2) vitreous humour is carried out into quenching：The vitreous humour is poured in copper mould, naturally cool to room temperature 20～
25 DEG C, obtain both bulk glasses；
3) both bulk glasses are crushed, is put into ball mill ball milling, obtain glass powder with low melting point.
In above-mentioned technical proposal, the particle diameter of the conduction of heat barrier is less than or equal to 50nm.
In above-mentioned technical proposal, the porosity of the conduction of heat barrier is more than 90%.
In above-mentioned technical proposal, the particle diameter of the heat radiation barrier is less than or equal to 30nm.
In above-mentioned technical proposal, the heat radiation barrier is ATO nano-powders.
In above-mentioned technical proposal, the particle diameter of the glass powder with low melting point is preferably smaller than micro- equal to 5 less than or equal to 10 microns
Rice.
The heat-protecting glass glaze that a kind of above-mentioned preparation method is obtained.
A kind of method for preparing transparent heat-insulated coating with above-mentioned heat-protecting glass glaze, comprises the following steps：
A) above-mentioned heat-protecting glass glaze is uniformly mixed with ethanol, obtains slurry, by the paste deposition in matrix surface
Coating is formed, at 40～80 DEG C 30-60min is dried, wherein, the ratio of the heat-protecting glass glaze and ethanol mass parts is 1：(2-
5)；
B) coating after drying is sintered into 30～120min at 400～600 DEG C, in matrix surface transparent heat-insulated painting is obtained
Layer.
In above-mentioned technical proposal, it is described a) in, by the paste deposition in matrix surface by way of spraying, spray
The compressed air pressure of painting is 1～7MPa.
It is described a) in, drying temperature be 50 DEG C.
In above-mentioned technical proposal, it is described a) in, the compressed air pressure be 3MPa.
It is described b) in, obtain transparent heat-insulated coating layer thickness for 100～500 microns on described matrix surface, preferably 100～
300 microns.
A kind of transparent heat-insulated coating for obtaining in aforementioned manners answering in improving stability, ultraviolet aging resistance and wearability
With with ultra-violet lamp to the transparent heat-insulated coating irradiation 1 month, face shaping, the photopermeability of the transparent heat-insulated coating
Energy and heat-proof quality are not changed in；Transparent heat-insulated coating adhesive force on the matrix is 0 grade.
Compared to prior art, the transparent heat-insulated coating of the present invention is because using unorganic glass as filming medium, can show
The aspect performances such as stability, ultraviolet aging resistance, the wearability of lifting material are write, has wide application front in building glass field
Scape.
Description of the drawings
Fig. 1 is the XRD spectrum of glass powder with low melting point；
Fig. 2 is the XRD figure of ATO nano-powders；
Fig. 3 schemes for the SEM of nanometer titanium dioxide silica aerogel (powder)；
Fig. 4 is the SEM figures of transparent heat-insulated coating.
Specific embodiment
In the specific embodiment of the present invention, ATO nano-powders are bought in Shanghai Huzheng Nano-Tech Co., Ltd., are received
Rice aerosil is powder, and particle diameter is 50nm, and porosity is 92%, is bought in Chengdu Ai Ruijie Science and Technology Ltd.s.
Model S-3400 of scanning electron microscope.
Technical scheme is further illustrated with reference to specific embodiments and the drawings.
Embodiment 1
A kind of preparation method of transparent heat-protecting glass glaze, by glass powder with low melting point, heat radiation barrier and conduction of heat
Barrier uniformly mixes, and obtains heat-protecting glass glaze；Wherein, glass powder with low melting point, conduction of heat barrier and heat radiation barrier
The ratio of mass parts is 80:10:10, heat radiation barrier is ATO nano-powders, and conduction of heat barrier is nano silicon airsetting
Glue.
The preparation method of above-mentioned glass powder with low melting point is comprised the following steps：
1) crude drug is uniformly mixed, is founded at 500 DEG C 10 minutes, obtain vitreous humour, wherein, raw material medicated powder by weight hundred
Divide than meter, be uniformly mixed by following compounds：30% SnCl2, 30% P2O5, 15% B2O3, 25% Al2O3；
2) vitreous humour is carried out into quenching：Vitreous humour is poured in copper mould, 20～25 DEG C of room temperature is naturally cooled to, is obtained
Both bulk glasses；
3) both bulk glasses are crushed, is put into ball mill ball milling, to obtain particle diameter 5 microns of glass powder with low melting point are about.
Embodiment 2
A kind of preparation method of transparent heat-protecting glass glaze, by glass powder with low melting point, heat radiation barrier and conduction of heat
Barrier uniformly mixes, and obtains heat-protecting glass glaze；Wherein, glass powder with low melting point, conduction of heat barrier and heat radiation barrier
The ratio of mass parts is 90:5:5, heat radiation barrier is ATO nano-powders, and conduction of heat barrier is nano silicon airsetting
Glue.
The preparation method of above-mentioned glass powder with low melting point, comprises the following steps：
1) crude drug is uniformly mixed, is founded at 600 DEG C 40 minutes, obtain vitreous humour, wherein, raw material medicated powder by weight hundred
Divide than meter, be uniformly mixed by following compounds：50% SnCl2, 20% P2O5, 10% B2O3, 20% Bi2O3；
2) vitreous humour is carried out into quenching：Vitreous humour is poured in copper mould, 20～25 DEG C of room temperature is naturally cooled to, is obtained
Both bulk glasses；
3) both bulk glasses are crushed, is put into ball mill ball milling, to obtain particle diameter 5 microns of glass powder with low melting point are approximately equal to.
Embodiment 3
A kind of preparation method of transparent heat-protecting glass glaze, by glass powder with low melting point, heat radiation barrier and conduction of heat
Barrier uniformly mixes, and obtains heat-protecting glass glaze；Wherein, glass powder with low melting point, conduction of heat barrier and heat radiation barrier
The ratio of mass parts is 70:15:15, heat radiation barrier is ATO nano-powders, and conduction of heat barrier is nano silicon airsetting
Glue.
The preparation method of above-mentioned glass powder with low melting point is comprised the following steps：
1) crude drug is uniformly mixed, is founded at 700 DEG C 30 minutes, obtain vitreous humour, wherein, raw material medicated powder by weight hundred
Divide than meter, be uniformly mixed by following compounds：40% SnCl2, 30% P2O5, 20% B2O3, 10% SiO2；
2) vitreous humour is carried out into quenching：Vitreous humour is poured in copper mould, 20～25 DEG C of room temperature is naturally cooled to, is obtained
Both bulk glasses；
3) both bulk glasses are crushed, is put into ball mill ball milling, to obtain particle diameter 5 microns of glass powder with low melting point are approximately equal to.Fig. 1
For the XRD diffracting spectrums of glass powder with low melting point in embodiment 3.As seen from the figure, glass powder with low melting point has one near 23 degree
The non-structure cell of non-constant width, illustrates the SnCl that the present embodiment is provided2-P2O5-B2O3-SiO2System is a kind of good glass system.
Fig. 2 is the XRD spectrum of used nano ATO powder body, as we can see from the figure the crystalline phase knot of prepared powder
Structure is SnO2, well, Sb ion dopings do not change SnO to crystallinity2Crystal structure.Fig. 3 is nanometer titanium dioxide silica aerogel
SEM schemes, it can be seen that nanometer titanium dioxide silica aerogel is by the nano SiO 2 particle accumulation of 50 rans
Into with larger porosity.
The glass transition temperature of the glass powder with low melting point obtained by embodiment 1～3 is respectively less than equal to 600 degrees Celsius,
The visible light transmissivity of the glass formed after 400 DEG C of sintering 60min is all higher than being equal to 80%.
The method that a kind of gained heat-protecting glass glaze of use embodiment 3 prepares transparent heat-insulated coating, comprises the following steps：
A) heat-protecting glass glaze is uniformly mixed with ethanol, obtains slurry, by paste deposition in base by way of spraying
Body surface face forms coating, and at 50 DEG C 30min is dried, wherein, the ratio of heat-protecting glass glaze and ethanol mass parts is 1：3, spraying
Compressed air pressure is 3MPa；
B) coating after drying is sintered into 30min at 450 DEG C, thickness is obtained for the saturating of 200 microns (μm) in matrix surface
Bright heat insulating coat.Matrix can be architectural glazings, cladding glass or roof glass.
Fig. 4 is the scanning electron microscope (SEM) photograph of the transparent heat-insulated coating, as seen from the figure, the surface smoother of transparent heat-insulated coating,
Without crackle, and heat radiation barrier and conduction of heat barrier nano-powder are evenly distributed in film layer, without obvious agglomeration.
Prepared transparent heat-insulated coating is carried out into degradation in ultra-violet lamp irradiation, as a result shows inoranic membrane to the durable of ultraviolet light
Function admirable；Ultraviolet radioactive one month, the face shaping of coating, photopermeability energy and heat-proof quality are not any change.Additionally,
Adhesive force of the coating on glass basis is strong, is tested by cross-cut tester, and adhesive force of the coating on matrix is 0 grade.Jing is tested, and is applied
Blank glass before having covered the glass of transparent heat-insulated coating relatively, bulk thermal conductivity constants reduce 20%, the obstruct system to infrared light
Number improves 40%.
In the inventive solutions, it is used as by selecting ITO nano-powders, FTO nano-powders or ZTO nano-powders
Heat radiation barrier and regulation parameters, can reach the property consistent with above-described embodiment.
Exemplary description is done to the present invention above, it should explanation, in the situation of the core without departing from the present invention
Under, any simple deformation, modification or other skilled in the art can not spend the equivalent of creative work equal
Fall into protection scope of the present invention.
Claims (10)
1. a kind of preparation method of transparent heat-protecting glass glaze, it is characterised in that by glass powder with low melting point, heat radiation barrier
Uniformly mix with conduction of heat barrier, obtain heat-protecting glass glaze；Wherein, the glass powder with low melting point, conduction of heat barrier and
The ratio of heat radiation barrier mass parts is (70-90):(5-15):(5-15), the heat radiation barrier be ITO nano-powders,
ATO nano-powders, FTO nano-powders or ZTO nano-powders, glass transition temperature≤600 DEG C of the glass powder with low melting point,
The conduction of heat barrier is nanometer titanium dioxide silica aerogel.
2. preparation method according to claim 1, it is characterised in that the glass powder with low melting point is in 400～600 DEG C of sintering
Visible light transmissivity >=80% of glass is formed after 30～120min.
3. preparation method according to claim 2, it is characterised in that the preparation method of the glass powder with low melting point include with
Lower step：
1) crude drug is uniformly mixed, at 500～700 DEG C 10-50 minutes is founded, obtain vitreous humour, wherein, the raw material medicated powder
By weight percentage, uniformly it is mixed by following compounds：30～50% SnCl2, 10～30% P2O5, 10～
20% B2O3, 5～25% Bi2O3、V2O5、SiO2、TeO2Or Al2O3；
2) vitreous humour is carried out into quenching：The vitreous humour is poured in copper mould, 20～25 DEG C of room temperature is naturally cooled to,
Obtain both bulk glasses；
3) both bulk glasses are crushed, is put into ball mill ball milling, obtain glass powder with low melting point.
4. preparation method according to claim 1, it is characterised in that the particle diameter of the conduction of heat barrier is less than or equal to
50nm, porosity is more than 90%.
5. preparation method according to claim 1, it is characterised in that the particle diameter of the heat radiation barrier is less than or equal to
30nm, the preferred ATO nano-powders of the heat radiation barrier.
6. preparation method according to claim 3, it is characterised in that the particle diameter of the glass powder with low melting point is less than or equal to 10
Micron, preferably smaller than equal to 5 microns.
7. the heat-protecting glass glaze that a kind of preparation method as described in any one in claim 1～6 is obtained.
8. the method that heat-protecting glass glaze described in a kind of use claim 7 prepares transparent heat-insulated coating, it is characterised in that include with
Lower step：
A) heat-protecting glass glaze described in claim 7 is uniformly mixed with ethanol, obtains slurry, by the paste deposition in matrix
Surface forms coating, and at 40～80 DEG C 30-60min is dried, wherein, the ratio of the heat-protecting glass glaze and ethanol mass parts is 1：
(2-5)；
B) coating after drying is sintered into 30～120min at 400～600 DEG C, in matrix surface transparent heat-insulated coating is obtained.
9. method according to claim 8, it is characterised in that it is described a) in, by the slurry by way of spraying
Matrix surface is deposited on, the compressed air pressure of spraying is 1～7MPa, preferred 3MPa；Drying temperature is 50 DEG C；It is described b)
In, on described matrix surface transparent heat-insulated coating layer thickness is obtained for 100～500 microns, preferably 100～300 microns.
10. the transparent heat-insulated coating for obtaining such as claim 8～9 methods described is in improving stability, ultraviolet aging resistance and wear-resisting
Property in application, it is characterised in that the transparent heat-insulated coating is irradiated 1 month with ultra-violet lamp, the transparent heat-insulated coating
Face shaping, photopermeability energy and heat-proof quality be not changed in；Transparent heat-insulated coating attachment on the matrix
Power is 0 grade.
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| CN111170653A (en) * | 2020-01-14 | 2020-05-19 | 武汉理工大学 | High-temperature-resistant glass-glazed optical fiber and preparation method thereof |
| CN112830680A (en) * | 2019-11-22 | 2021-05-25 | 华北理工大学 | Heat-insulating glass glaze and preparation method thereof |
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