CN102674713A - Thermochromic laminated glass and manufacturing method thereof - Google Patents
Thermochromic laminated glass and manufacturing method thereof Download PDFInfo
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- CN102674713A CN102674713A CN2012101379904A CN201210137990A CN102674713A CN 102674713 A CN102674713 A CN 102674713A CN 2012101379904 A CN2012101379904 A CN 2012101379904A CN 201210137990 A CN201210137990 A CN 201210137990A CN 102674713 A CN102674713 A CN 102674713A
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Abstract
The invention relates to a thermochromic laminated glass. The thermochromic laminated glass comprises two pieces of glass and a thermochromic film which is clamped between the two pieces of glass, wherein the thermochromic film comprises a polyvinyl butyral base film and tungsten oxide-doped vanadium dioxide powder which is dispersed in the polyvinyl butyral base film. The invention also relates to a manufacturing method for the thermochromic laminated glass. The thermochromic laminated glass adopts the tungsten oxide-doped vanadium dioxide powder which is dispersed in the polyvinyl butyral base film to form the thermochromic film, the basic structure of the conventional laminated glass is not changed, the investment is low, and a high-efficient color change effect is achieved. Due to the adoption of metal oxides, the thermochromic laminated glass is non-toxic, green, environment-friendly and non-flammable, has high safety and meets the current requirements of energy saving and emission reduction. In addition, the thermochromic laminated glass does not basically change the conventional preparation process when manufactured, is simple in preparation process and low in cost, and is suitable for the fields of building glass, automobile sunroof glass, side window glass and the like.
Description
Technical field
The present invention is specifically related to a kind of temperature induced color changing laminated glass and method of manufacture thereof about the glass technology field.
Background technology
Doubling glass is with film two or multi-disc glass to be pasted to form under certain temperature and pressure, is also referred to as laminated glass or glyglass.Film is PVB films such as (Polyvinyl butyral, polyvinyl butyral acetals) normally.When glass is clashed and explosion time, tough and tensile PVB film will absorb most of Impact energy and shock wave pressure and stop and collide thing and penetrate, thereby have antitheft, shellproof, explosion prevention function; Even doubling glass is damaged, glass fragment will be sticked on the PVB film securely, can not come off and hurt sb.'s feelings, and therefore be specially adapted to shield glass and Highrise buildings glass; PVB film in the doubling glass can also absorb the ultraviolet ray more than 99%, avoids indoor human body and furniture clothing etc. to receive uv damage; In addition, the PVB film in the doubling glass has the damping function to sound wave, and soundproof effect is fairly obvious to suppress noise transmission effectively, is specially adapted to be positioned at the buildings of airport, station, downtown area and road both sides.But doubling glass still keeps high permeability to the infrared rays in the sunlight, causes energy-saving effect relatively poor.
Glass colour changes with the variation of envrionment temperature; Glass colour deepened when temperature was higher than stagnation point; Return to original vitreous state during temperature subcritical point again; This color is called thermochromism glass with the glass of envrionment temperature circulation change, perhaps is called " temperature induced color changing glass " or " with envrionment temperature glass with an automatic light meter ".The energy-saving principle of thermochromism glass is: when temperature is higher than stagnation point; Functional mass recurring structure in the glass or change mutually; Glass colour deepens and reduces visible light and ultrared glass port transmitance automatically; In the outdoor heat wave inlet chamber, reduce the use of electric refrigerators such as air-conditioning, fan when stopping summer high temperature; During temperature subcritical point; Functional mass in the glass recovers structure or crystal phase originally, and glass colour reverts to transparent, improves visible light and ultrared glass port transmitance; Make severe winter during low temperature in the outdoor heat inlet chamber, reduce the use of electrical equipment such as illumination and heating.Painted-the color fading reaction of thermochromism glass is circulation repeatedly with the outdoor environment temperature change, regulates the glass port shading coefficient automatically, and it is indoor cool in summer and warm in winter that equilibrium temperature makes, and can reduce the high energy consumption of buildings.Another function of temperature induced color changing glass is ornamental, and glass colour and transparence change with envrionment temperature automatically.With thermochromism glass decoration building window, curtain wall etc., both made indoor light soft comfortable, make the buildings color changeable again, play noticeable effect.
Existing a kind of temperature induced color changing glass is the structure that between the layer glass substrate, comprises an inclusion, does not relate to concrete thermochromism material; Some temperature induced color changing glass is at glass surface deposition thermochromic layer, belongs to a kind of coated glass.
Summary of the invention
In view of this, temperature induced color changing laminated glass and the method for manufacture thereof that a kind of technology is simple, drop into low repayment height, environmental protection is provided.
A kind of temperature induced color changing laminated glass; It comprises two sheet glass and is located in the temperature induced color changing film between two sheet glass that said temperature induced color changing film comprises the polyvinyl butyral acetal basement membrane and is scattered in the doped with tungstic oxide titanium dioxide vanadium powder in the said polyvinyl butyral acetal basement membrane.
And, a kind of method of manufacture of temperature induced color changing laminated glass, it comprises the following steps:
Mole number ratio according to W elements and v element is that 1～10:100 gets oxidation tungsten powder and Vanadium Pentoxide in FLAKES powder, preparation doped with tungstic oxide titanium dioxide vanadium powder;
In the polyvinyl butyral acetal raw material, add the doped with tungstic oxide titanium dioxide vanadium powder of 0.01%～2wt%, preparation temperature induced color changing film;
The temperature induced color changing film of said preparation is sandwiched between two sheets, two sheet glass are pressed together, form the thermochromism doubling glass.
Above-mentioned temperature induced color changing laminated glass adopts doped tungsten oxide doped vanadium dioxide powder in the polyvinyl butyral acetal basement membrane, forms the temperature induced color changing film, does not change the substruction of existing laminated glass; Drop into lowlyer, but have color changeable effect efficiently, because what adopt is MOX; Nontoxic environmental protection; Nonflammable, safe, meet the demand of current energy-saving and emission-reduction.In addition, when above-mentioned temperature induced color changing laminated glass is made, can not change original preparation technology basically, preparation technology is simple, and cost is low.
Description of drawings
To combine accompanying drawing and embodiment that the present invention is described further below, in the accompanying drawing,
Fig. 1 is the temperature induced color changing laminated glass structural representation of the embodiment of the invention.
Embodiment
In order to make the object of the invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with accompanying drawing and embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
See also Fig. 1; The temperature induced color changing laminated glass 10 of the embodiment of the invention is shown; It comprises two sheet glass 11 and is located in the temperature induced color changing film 12 between two sheet glass 11 that temperature induced color changing film 12 comprises the polyvinyl butyral acetal basement membrane and is scattered in the doped with tungstic oxide titanium dioxide vanadium powder in the said polyvinyl butyral acetal basement membrane.
Two sheet glass 11 can adopt glass material commonly used, for example all are common float glasses, and present embodiment adopts ultra-white float glass, and thickness can be 1.6mm～3.0mm.
In temperature induced color changing film 12, the mole ratio of Tungsten oxide 99.999 and vanadium dioxide is 1:100 to 10:100 in the doped with tungstic oxide titanium dioxide vanadium powder, is preferably 2:98.Doped with tungstic oxide titanium dioxide vanadium powder is preferably the particle of 10～1000 nanometers.The addition of doped with tungstic oxide titanium dioxide vanadium powder in temperature induced color changing film 12 is 0.01%～2wt%, is preferably 0.35wt%.The polyvinyl butyral acetal basement membrane abbreviates the PVB film usually as, and the PVB film has very strong cohesiveness, through the PVB film with two sheet glass, 11 mortise together.Therefore, the PVB film not only plays adhesive property, also as the matrix of doped with tungstic oxide titanium dioxide vanadium powder; So that doped with tungstic oxide titanium dioxide vanadium powder is dispersed in the PVB film, make not change existing 10 substruction by compact construction; Drop into lowlyer, but have color changeable effect efficiently.
Further, also comprise softening agent and coupling agent in the temperature induced color changing film 12, the thickness of temperature induced color changing film 12 is preferably 0.38～3.04mm.
In concrete the application, temperature induced color changing laminated glass 10 can be used as all kinds glass, for example can be building glass or automobile skylight glass, side window glass etc.
The embodiment of the invention also provides the method for manufacture of above-mentioned temperature induced color changing laminated glass 10, and it comprises the steps:
S10, preparation doped with tungstic oxide titanium dioxide: the mole number ratio according to W elements and v element is that 1～10:100 gets oxidation tungsten powder and Vanadium Pentoxide in FLAKES powder, makes doped with tungstic oxide titanium dioxide vanadium powder;
S20, preparation temperature induced color changing film: add the doped with tungstic oxide titanium dioxide vanadium powder of 0.01%～2wt% in the polyvinyl butyral acetal raw material, make the temperature induced color changing film;
S30 processes the thermochromism doubling glass: prepared temperature induced color changing film 12 is sandwiched between two sheets 11, two sheet glass 11 are pressed together, form thermochromism doubling glass 10.
Particularly, the detailed process of step S10 is following: proportionally choose Powdered Vanadium Pentoxide in FLAKES and Tungsten oxide 99.999 raw material, Powdered Vanadium Pentoxide in FLAKES is heated to 700～900 ℃; Be preferably 850 ℃, and be incubated 15～40 minutes, be preferably 25 minutes; Form melt, pour in the water melt and vigorous stirring, filter and obtain Vanadium Pentoxide in FLAKES colloidal sol; Be dried into gel, add the Tungsten oxide 99.999 powder in pentoxide gel, grind and mix; Obtain doped with tungstic oxide titanium dioxide vanadium powder, with hydrogen reducing annealing, obtain doped with tungstic oxide titanium dioxide vanadium powder then.
Particularly, the detailed process of step S20 is following: the doped with tungstic oxide titanium dioxide vanadium powder of polyvinyl butyral acetal, softening agent, coupling agent and 0.01%～2wt% is mixed, stir, heating and melting is also extruded and is processed film.Wherein, the content of doped with tungstic oxide titanium dioxide vanadium powder is meant the total content in the temperature induced color changing film of processing 12.
In step S30.It is in thermocompressor, rubber alloy machine or autoclave, to carry out that two sheet glass are pressed together.With the autoclave is example; Detailed process is following: one of clamping is with homalographic between two sheet glass (ultra-clear glasses of for example long 100cm * wide 100cm * thick 3.2mm) of surface clean; Put into exhaust in the vacuum vessel in the lump, drying is then in autoclave; 1.3MPa the thermochromism doubling glass is processed in pressure and 135 ℃ of following hot pressing 25 minutes.
Below be concrete instance, with concrete structure and the manufacturing process that temperature induced color changing laminated glass 10 of the present invention is described.
The first step, preparation WO
3-VO
2Powder.Powdered Vanadium Pentoxide in FLAKES (V
2O
5) and tungstic oxide (WO
3) raw material all buys from general chemistry reagent company.With 1 mole of V
2O
5Powder is poured into and is heated to 850 ℃ and be incubated 25 minutes in the alumina-ceramic crucible, pours into melt in 1 liter of deionized water rapidly and vigorous stirring 2 hours, filters and obtains reddish-brown V
2O
5Colloidal sol, under 150 ℃ with V
2O
5Colloidal sol is dried into gel.Add 0.02 mole of WO
3Powder is to V
2O
5In the gel, grind doping, obtain WO with ball mill
3-V
2O
5Fines utilizes hydrogen reducing annealing then in atmosphere furnace, 100 ℃ are incubated 20 hours down, obtain WO
3-VO
2Powdered sample.The amount of getting of each raw material in this operation can directly be amplified or dwindle in practice is produced in proportion, can not change quality product.
Second step, preparation PVB temperature induced color changing film.The vinyltriethoxysilane (coupling agent) and the 0.35 weight part WO of the two positive heptanoates (softening agent) of the triglycol of the polyvinyl butyral acetal of 85 weight parts, 13.5 weight parts, 1.15 weight parts
3-VO
2Behind the powder uniform mixing, be added in the mixing roll and stirred 10 minutes, be heated to 150 ℃ of fusions and extrude and process film, through cool off, anhydrate, dry up etc. operate after, obtain PVB temperature induced color changing film.
The 3rd step, preparation thermochromism doubling glass.PVB temperature induced color changing film with homalographic of clamping between two sheet glass of surface clean is put in the silica gel bag under the 2.5KPa vacuum tightness exhaust 20 minutes in the lump and is transferred in the drying oven 85 ℃ of insulations 30 minutes; Then in autoclave, the thermochromism doubling glass is processed in 1.3MPa pressure and 135 ℃ of following hot pressing 25 minutes.
Above-mentioned temperature induced color changing laminated glass 10 is employed in and disperses doped with tungstic oxide titanium dioxide vanadium powder in the polyvinyl butyral acetal basement membrane, forms temperature induced color changing film 12, does not change the substruction of existing laminated glass; Drop into lowlyer, but have color changeable effect efficiently, because what adopt is MOX; Nontoxic environmental protection; Nonflammable, safe, meet the demand of current energy-saving and emission-reduction.In addition, when above-mentioned temperature induced color changing laminated glass is made, can not change original preparation technology basically, preparation technology is simple, and cost is low, is applicable to fields such as building glass and automobile skylight glass, side window glass.
The above is merely preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of within spirit of the present invention and principle, being done, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. temperature induced color changing laminated glass; It comprises two sheet glass; It is characterized in that; Also comprise the temperature induced color changing film that is located between two sheet glass, said temperature induced color changing film comprises the polyvinyl butyral acetal basement membrane and is scattered in the doped with tungstic oxide titanium dioxide vanadium powder in the said polyvinyl butyral acetal basement membrane.
2. temperature induced color changing laminated glass as claimed in claim 1 is characterized in that, the mole ratio of Tungsten oxide 99.999 and vanadium dioxide is 1:100 to 10:100 in the said doped with tungstic oxide titanium dioxide vanadium powder.
3. temperature induced color changing laminated glass as claimed in claim 1 is characterized in that, said doped with tungstic oxide titanium dioxide vanadium powder is the particle of 10～1000 nanometers.
4. temperature induced color changing laminated glass as claimed in claim 1 is characterized in that, the addition of said doped with tungstic oxide titanium dioxide vanadium powder in said temperature induced color changing film is 0.01%～2wt%.
5. temperature induced color changing laminated glass as claimed in claim 1 is characterized in that, also comprises softening agent and coupling agent in the said temperature induced color changing film.
6. temperature induced color changing laminated glass as claimed in claim 1 is characterized in that, the thickness of said temperature induced color changing film is 0.38～3.04mm.
7. the method for manufacture of a temperature induced color changing laminated glass, it comprises the following steps:
Mole number ratio according to W elements and v element is that 1～10:100 gets oxidation tungsten powder and Vanadium Pentoxide in FLAKES powder, preparation doped with tungstic oxide titanium dioxide vanadium powder;
In the polyvinyl butyral acetal raw material, add the doped with tungstic oxide titanium dioxide vanadium powder of 0.01%～2wt%, preparation temperature induced color changing film;
The temperature induced color changing film of said preparation is sandwiched between two sheets, two sheet glass are pressed together, form the thermochromism doubling glass.
8. the method for manufacture of temperature induced color changing laminated glass as claimed in claim 7 is characterized in that, the process of said preparation doped with tungstic oxide titanium dioxide vanadium powder is following: proportionally choose Powdered Vanadium Pentoxide in FLAKES and Tungsten oxide 99.999 raw material; Powdered Vanadium Pentoxide in FLAKES is heated to 700～900 ℃ and be incubated 15～40 minutes, forms melt, pour in the water melt and vigorous stirring; Filtration obtains Vanadium Pentoxide in FLAKES colloidal sol, is dried into gel, adds the Tungsten oxide 99.999 powder in pentoxide gel; Grind and mix; Obtain doped with tungstic oxide titanium dioxide vanadium powder, with hydrogen reducing annealing, obtain doped with tungstic oxide titanium dioxide vanadium powder then.
9. the method for manufacture of temperature induced color changing laminated glass as claimed in claim 7; It is characterized in that; The process of said preparation temperature induced color changing film is following: the doped with tungstic oxide titanium dioxide vanadium powder of polyvinyl butyral acetal, softening agent, coupling agent and 0.01%～2wt% is mixed; Stir, heating and melting is also extruded and is processed film.
10. the method for manufacture of temperature induced color changing laminated glass as claimed in claim 7 is characterized in that, said two sheet glass are pressed together is in thermocompressor, rubber alloy machine or autoclave, to carry out.
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103057245A (en) * | 2013-01-04 | 2013-04-24 | 中国原子能科学研究院 | Radiochromic label and preparation method thereof |
| CN103214989A (en) * | 2013-04-28 | 2013-07-24 | 中国科学院广州能源研究所 | Preparation methods of intelligent dimming PVB (Polyvinyl Butyral) film and intelligent dimming PVB laminated glass |
| CN103214977A (en) * | 2013-04-28 | 2013-07-24 | 中国科学院广州能源研究所 | Colorful smart dimming polyvinyl butyral film and preparation method of laminated glass thereof |
| CN103525320A (en) * | 2013-10-16 | 2014-01-22 | 张家港环纳环保科技有限公司 | Thermochromic PVB (polyvinyl butyral) intermediate film and preparation method thereof |
| CN103740014A (en) * | 2013-12-27 | 2014-04-23 | 齐鲁工业大学 | Sandwich plastic thin film for colored safety glass and production method thereof |
| CN104059554A (en) * | 2014-06-12 | 2014-09-24 | 浙江德斯泰塑胶有限公司 | Temperature-sensing color-changing polyvinyl butyral intermediate membrane and preparation method thereof |
| CN104262688A (en) * | 2014-09-01 | 2015-01-07 | 浙江鼎昇新材料科技有限公司 | Thermochromic glass material and preparation method thereof |
| CN104895462A (en) * | 2015-06-18 | 2015-09-09 | 南京二十六度建筑节能工程有限公司 | Intelligent hollow vanadium dioxide sunshade glass |
| CN106082711A (en) * | 2016-06-02 | 2016-11-09 | 中国科学院广州能源研究所 | A kind of energy-conservation laminated glass of intelligent dimming and preparation method thereof |
| CN106800379A (en) * | 2015-11-26 | 2017-06-06 | 法国圣戈班玻璃公司 | Laminated glass and its manufacture method, vehicle window |
| CN107400322A (en) * | 2016-05-20 | 2017-11-28 | 上海大学 | A kind of dispersion liquid with thermochromic properties, PVB films and preparation method thereof |
| CN107663034A (en) * | 2016-07-27 | 2018-02-06 | 芜湖鼎坤电器有限公司 | A kind of alternating temperature photo chromic glass |
| CN109880553A (en) * | 2019-03-22 | 2019-06-14 | 苏州量子新材料科技有限公司 | A kind of PVB or EVA film of thermochromism |
| CN110350050A (en) * | 2019-07-26 | 2019-10-18 | 青岛大学 | A kind of preparation method of doubling glass structure solar energy fluorescence condenser battery |
| CN112624628A (en) * | 2020-12-17 | 2021-04-09 | 陈治兰 | Thermochromic laminated glass and preparation method thereof |
| CN112644113A (en) * | 2020-12-22 | 2021-04-13 | 武爱平 | Automobile heat-insulating laminated glass and manufacturing method thereof |
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| CN103057245A (en) * | 2013-01-04 | 2013-04-24 | 中国原子能科学研究院 | Radiochromic label and preparation method thereof |
| CN103214989B (en) * | 2013-04-28 | 2015-01-07 | 中国科学院广州能源研究所 | Intelligent dimming PVB (Polyvinyl Butyral) film and preparation method of intelligent dimming PVB laminated glass |
| CN103214989A (en) * | 2013-04-28 | 2013-07-24 | 中国科学院广州能源研究所 | Preparation methods of intelligent dimming PVB (Polyvinyl Butyral) film and intelligent dimming PVB laminated glass |
| CN103214977A (en) * | 2013-04-28 | 2013-07-24 | 中国科学院广州能源研究所 | Colorful smart dimming polyvinyl butyral film and preparation method of laminated glass thereof |
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| CN103740014B (en) * | 2013-12-27 | 2016-04-13 | 齐鲁工业大学 | A kind of color safe glass interlayer plastics film and production method thereof |
| CN103740014A (en) * | 2013-12-27 | 2014-04-23 | 齐鲁工业大学 | Sandwich plastic thin film for colored safety glass and production method thereof |
| CN104059554A (en) * | 2014-06-12 | 2014-09-24 | 浙江德斯泰塑胶有限公司 | Temperature-sensing color-changing polyvinyl butyral intermediate membrane and preparation method thereof |
| CN104059554B (en) * | 2014-06-12 | 2017-06-27 | 浙江德斯泰新材料股份有限公司 | Temperature sense discoloration polyvinyl butyral resin intermediate coat and preparation method thereof |
| CN104262688A (en) * | 2014-09-01 | 2015-01-07 | 浙江鼎昇新材料科技有限公司 | Thermochromic glass material and preparation method thereof |
| CN104895462A (en) * | 2015-06-18 | 2015-09-09 | 南京二十六度建筑节能工程有限公司 | Intelligent hollow vanadium dioxide sunshade glass |
| CN106800379A (en) * | 2015-11-26 | 2017-06-06 | 法国圣戈班玻璃公司 | Laminated glass and its manufacture method, vehicle window |
| CN107400322A (en) * | 2016-05-20 | 2017-11-28 | 上海大学 | A kind of dispersion liquid with thermochromic properties, PVB films and preparation method thereof |
| CN106082711A (en) * | 2016-06-02 | 2016-11-09 | 中国科学院广州能源研究所 | A kind of energy-conservation laminated glass of intelligent dimming and preparation method thereof |
| CN106082711B (en) * | 2016-06-02 | 2019-01-08 | 中国科学院广州能源研究所 | A kind of intelligent dimming energy conservation laminated glass and preparation method thereof |
| CN107663034A (en) * | 2016-07-27 | 2018-02-06 | 芜湖鼎坤电器有限公司 | A kind of alternating temperature photo chromic glass |
| CN109880553A (en) * | 2019-03-22 | 2019-06-14 | 苏州量子新材料科技有限公司 | A kind of PVB or EVA film of thermochromism |
| CN110350050A (en) * | 2019-07-26 | 2019-10-18 | 青岛大学 | A kind of preparation method of doubling glass structure solar energy fluorescence condenser battery |
| CN110350050B (en) * | 2019-07-26 | 2021-05-28 | 青岛大学 | Preparation method of solar fluorescent condenser cell with laminated glass structure |
| CN112624628A (en) * | 2020-12-17 | 2021-04-09 | 陈治兰 | Thermochromic laminated glass and preparation method thereof |
| CN112644113A (en) * | 2020-12-22 | 2021-04-13 | 武爱平 | Automobile heat-insulating laminated glass and manufacturing method thereof |
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Application publication date: 20120919 |