WO2013077762A1 - Светорегулирующее термохромное устройство - Google Patents
Светорегулирующее термохромное устройство Download PDFInfo
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- WO2013077762A1 WO2013077762A1 PCT/RU2011/000954 RU2011000954W WO2013077762A1 WO 2013077762 A1 WO2013077762 A1 WO 2013077762A1 RU 2011000954 W RU2011000954 W RU 2011000954W WO 2013077762 A1 WO2013077762 A1 WO 2013077762A1
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- 229920000728 polyester Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 229920005862 polyol Polymers 0.000 description 1
- 150000003077 polyols Chemical class 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 239000011253 protective coating Substances 0.000 description 1
- 239000012429 reaction media Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 229910052702 rhenium Inorganic materials 0.000 description 1
- 235000012045 salad Nutrition 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- LIVNPJMFVYWSIS-UHFFFAOYSA-N silicon monoxide Inorganic materials [Si-]#[O+] LIVNPJMFVYWSIS-UHFFFAOYSA-N 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- XGVXKJKTISMIOW-ZDUSSCGKSA-N simurosertib Chemical compound N1N=CC(C=2SC=3C(=O)NC(=NC=3C=2)[C@H]2N3CCC(CC3)C2)=C1C XGVXKJKTISMIOW-ZDUSSCGKSA-N 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 230000000475 sunscreen effect Effects 0.000 description 1
- 239000000516 sunscreening agent Substances 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 150000003567 thiocyanates Chemical class 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- 150000004072 triols Chemical class 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 150000003673 urethanes Chemical class 0.000 description 1
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
- B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
- B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
- B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
- B32B17/10165—Functional features of the laminated safety glass or glazing
- B32B17/10431—Specific parts for the modulation of light incorporated into the laminated safety glass or glazing
- B32B17/10467—Variable transmission
- B32B17/10477—Variable transmission thermochromic
Definitions
- the invention relates to devices or devices for controlling the intensity, color, phase, polarization or direction of light coming from an independent source, namely, devices for controlling light and energy conservation, and is intended, in particular, for the glazing of buildings, which includes glazing of windows, exterior and internal wall panels, partitions, doors, interior elements.
- thermochromic light control device a device in which a thermochromic effect is observed and which includes a layer of thermochromic resin, which can be enclosed between glass plates or transparent plastic.
- thermochromic effect is understood to mean a reversible change in the transmission of the device in the ultraviolet (UV) and / or visible and / or infrared (I) spectral regions due to a change in the temperature of the device.
- UV ultraviolet
- I infrared
- thermochromic efficiency (TCE) of a material and / or device refers to the ratio of optical density at a given wavelength of optical radiation at high (60-85 ° C) temperature to optical density at the same wavelength at low (20-25 ° C) thermochromic temperature material.
- the prior art devices controlled by an electric field which are two sheets of glass, between which a multilayer polymer composition (triplex) is placed, capable of changing the light transmission due to the absorption or scattering of light under the influence of an electric field.
- Common disadvantages of electrically controlled devices are the small number of operation cycles without compromising the operational parameters of the device, insufficient uniformity of coloring and high cost, which prevents their use for external glazing, the need to use an external power source and control systems, which complicates the design, reduces its reliability and is associated with power consumption.
- Photochromic glasses are known that contain copper or silver halides, which reduce transmission in the visible region of the spectrum under the influence of ultraviolet radiation.
- such glasses are expensive, and the technology for the production of large-format sheet glass for glazing buildings has not been developed.
- a change in the gas medium in a gas-chrome double-chamber double-glazed window due to the introduction of gaseous hydrogen into the space between the glasses leads to a change in light transmission, which is manifested in the appearance or disappearance of the color of the inner surface of the outer glass coated a thin layer of tungsten oxide, the discoloration of the glass is achieved by the introduction of gaseous oxygen into the inter-glass space.
- the disadvantage of this solution is the design complexity and the need to use explosive and fire hazardous gas mixtures. (J.Carmodi et al. “Window Systems For High Performance Commercial Buildings.” Lawrence Berkeley National Laboratory California Energy Commission, Public Interest Energy Research (PIER) Program 2006, CEC-500-200-0-052-AT14).
- Temperature-controlled light-regulating devices are known from the prior art, which are two sheets of glass, between which a layer of liquid, gel, is placed, the light transmission of which varies with temperature due to a change in the temperature of light scattering in the layer.
- Thermochromic materials based on transition metal oxides are known from the prior art. They test a transition from a semiconducting to a conducting state (Mott transition) at a “critical” temperature T c . Their main disadvantage is that for most of these materials T c > 70 ° C, which makes them impossible to use for glazing buildings.
- transition metal oxides in particular vanadium oxide, are modified by introducing impurities (F, W, Mo, Nb and Re, Sn and Si0 2 ) into them.
- thermochromic device comprising a glass substrate and a coating containing vanadium oxide having a reduced T c , which is achieved by introducing metal compounds having a larger ionic radius than vanadium ionic radius into the film of vanadium oxide, such as tungsten , niobium, tantalum, iridium or molybdenum.
- metal compounds having a larger ionic radius than vanadium ionic radius such as tungsten , niobium, tantalum, iridium or molybdenum.
- thermochromic glass with a layer of vanadium oxide The disadvantages of the method for producing thermochromic glass with a layer of vanadium oxide are the need to use high (350 - 650 ° C) temperatures, vacuum and antioxidants to achieve the required V: 0 stoichiometry, as well as the difficulty of obtaining a layer over a large area. [Moon-Hee Lee. "Thermochromic Glazing of Windows with Better Luminous Solar Transmittance" Solar Energy Materials & Solar Cells. 2002, v. 71, p. 537-540].
- thermochromic properties of this material are manifested in the selective reflection of incident white light, creating bright rainbow colors that change with temperature.
- the material is intended, in particular, for use as ink. Disadvantage: insufficiently large temperature range of operation (-5-I-50 ° ⁇ ) of the material prevents its use as a thermochromic layer when glazing buildings.
- Thermochromic polymer gels are known, including those containing transition metal complexes. These gels, in particular, based on the polyester - ethylene oxide - carboxyvinyl system, turned out to be non-lightfast and short-lived in operation due to fatigue phenomena. The best It turned out to be impossible to use samples of thermochromic organic compounds and their compositions for adaptive glazing due to high working temperatures (about 80 ° C) and insufficient temperature resistance. [CM. Lampert "Chromogenic Switchable Glazing: Towards the Development of the Smart Window", Proceedings of Window Innovations, 1995. Toronto, Canada, June 5-6, 1995].
- thermochromic light transmitting laminated device consisting of a substrate and a thermochromic layer made of a transparent resin and dispersed in her microcapsules of pigment with a diameter of 1 to 5 microns, with thermochromic properties.
- the thermochromic properties of the pigment are due to the presence of a coloring organic compound in it, which is an electron donor, a compound, which is an electron acceptor and a reaction medium, on which it depends on what temperatures the color reaction occurs between the donor and the electron acceptor.
- the disadvantage of this device is that the microcapsules have a size exceeding the wavelength of visible light (of the order of 0.3-0.7 ⁇ m), which causes a decrease in the efficiency of the device, since light loss due to light scattering on the microcapsules is a source of decrease in light transmission, independent of temperature.
- thermochromic glass based on the use of plasticized polyvinyl butyral containing cobalt amino complexes. Disadvantages: firstly, the thermochromic effect of the material is insufficient for the material to be heated by sunlight, and the inventors have to use an additional source of electrical heating, which complicates the design, secondly, the light transmission ceases to decrease when the temperature reaches 50 ° C, while time like temperature glazing when exposed to sunlight in the summer can reach 70-80 ° C at the latitude of Paris.
- thermochromic device that can be used to allow sunlight to enter a building at low ambient temperature and absorb solar radiation at high ambient temperature.
- thermochromic device includes a light-transmitting substrate, a thermochromic material that reversibly changes the light transmission from large to small with increasing temperature, and a material with constant light transmission.
- the thermochromic material is in the substrate or in a layer deposited on the substrate and comprising from 0.1 to 20 wt% of the substrate or layer, the material with constant light absorption can be in the same layer or in a layer different from the layer of the thermochromic material.
- the thermochromic device may include a low emissivity layer.
- thermochromic layer optimized for “operation” in the temperature range above the “comfortable” (20-25 ° C) remains highly transmissive (See: 1. OV Yanush, VA Milovidov, IU Halopenen "Variable transmission window for automatic regulation of lighting”. Abstracts of International Symposia "Optical Thin Films on Glass", USA, Wheeling, West Virginia, October 18-21, 1998. P.37 .; 2. I. Halopenen, O. Yanush, V. Milovidov "Smart laminated glasses for regulation of lighting”. // Proceedings of the 6 th International Conference on Architectural and Automotive Glass - Glass Processing Days.- 1999.
- thermochromic devices are described that are characterized by a reversible change in the transmission of optical radiation with temperature, which achieved by using layers of thermochromic materials with ligand exchange.
- Materials include ions of at least one transition metal, which experience thermally induced changes in chemical bonds in the complex and / or coordination of ligands around the transition metal ion, which changes the ability of ions to absorb optical energy when temperature changes.
- thermochromic effect consisting in a reversible change with temperature of the composition and / or structure of transition metal complexes (s) in a thermochromic material.
- US patent JVs 7525717 for the invention “Multilayer Thermochromic System with Ligand Exchange” was adopted, published April 28, 2009 according to the IPC indices G02F 1/01, G02F 1/00, G09G 3/34, C07F 15/04.
- thermochromic device that changes the transmittance in the visible and / or near infrared range under the influence of temperature, including two thermochromic layers made of polymers, in particular polyvinyl butyral, containing Co (I) and / or Ni (II) complexes with concentrations from 0.02 to 0.4 mol / kg of polymer, as well as halides, phosphines, phosphinates, diols, triols and polyols as ligands.
- thermochromic layers as a source of ligands use toxic metal halides (Zn (II), Cd (II)), as well as phosphines, phosphinates, cyanates, thiocyanates, etc. are mentioned.
- Zn (II), Cd (II) toxic metal halides
- phosphines phosphinates
- cyanates cyanates
- thiocyanates etc.
- thermochromic layers The properties of substances by their toxicity used in the manufacture of thermochromic layers are widely known to specialists in this field of technology.
- Table 1 provides information on the toxicity of the most widely used substances in our application and in the prototype. Table 1. Information on the toxicity of substances
- hydrochloric acid is a highly concentrated active chemical.
- thermochromic layer for the devices described in the prototype is that it requires thorough cleaning of the starting reagents, as well as intermediate products of long multi-component multi-stage synthesis (from 1 to 72 hours at 45-90 ° C) and the final product is a film - from impurities, in particular, from water impurities, the removal of which is carried out in an inert gas atmosphere without oxygen impurities, or in vacuum (prototype, example N ° 290), and I dry the intermediate products after removing the solvent camping at "Silica gel chromatograph" (prototype, p. 129, items 50, 65; p. 130, items 15, 30, 45, 60).
- thermochromic layer to the surfaces of the substrates and separation layers, they must be treated with plasma, corona discharge, or ozone, which greatly complicates the technology of manufacturing a thermochromic device.
- the objective of the invention is to create a thermochromic light control and / or energy-saving device in which the simplification of its production technology is achieved due to the absence of the need to manufacture a thermochromic polymer film, a much smaller number of stages, which are reduced to the simultaneous mixing of all components, pouring the obtained thermochromic composition into the glass-glass interlayer (which can have any, including non-planar form) and subsequent photocuring of the triplex.
- This will, in contrast to the prototype, significantly reduce the energy consumption and the complexity of the manufacturing process of thermochromic triplex, and, therefore, reduce the cost of vyshlachivaemoy products.
- the inventive thermochromic device will also be achieved by improving the properties through the use of materials characterized by ease of synthesis, low toxicity in production, operation and disposal, availability and low cost of raw materials.
- thermochromic materials consist in the selection of materials in which the ligands, as a rule, are the molecules of the solvent and / or plasticizer components and / or their interaction products (molecular adducts).
- the same ligands with the same transition metal ion can form both low-absorbing and highly-absorbing complexes depending on the number of ligands and the symmetry of their arrangement around the transition element ion.
- solvents participate in complex formation as high-field ligands, which form transition metal complexes with low oscillator strengths and relatively short-wavelength absorption bands due to electronic transitions inside the d shell (d-d transitions).
- ligands are water molecules, monobasic alcohols, products of the interaction of molecules of various solvents and plasticizers (molecular adducts), which are non-toxic and / or low-toxic substances.
- thermochromic device begins to “trip”, that is, a decrease in the transmittance with a further increase in temperature above 25 ° C) and effectively reducing the transmittance with increasing temperature above the "threshold".
- thermochromic layer of the developed thermochromic device charge-transfer transition metal complexes are used, the absorption bands of which are characterized by record high oscillator strengths, which ensures high thermochromic efficiency of the layer material in the visible and ultraviolet (UV) regions of the optical radiation spectrum.
- UV visible and ultraviolet
- thermochromic device in comparison with the prototype, is achieved by the following means: 1. No need to manufacture a thermochromic polymer film.
- thermochromic layers formed on the basis of photocurable compositions which in the inventive device, as a rule, is an integral component of thermochromic materials, and from other impurities, since they do not affect the thermochromic and other properties of materials.
- thermochromic photocurable composition makes it possible to simplify the manufacturing technology of a thermochromic device due to the absence of stages for the manufacture of a polymer film, its drying, and also triplexing in an autoclave at elevated temperatures and pressures.
- thermochromic layers formed by a water-soluble vinyl-based polymer
- thermochromic device that uses original compositions of a thermochromic material in the form of a thermochromic photocurable composition.
- the thermochromic layers are made by photo-curing, mainly using substrates made of glass, as well as substrates made of polyethylene terephthalate, polycarbonate, polypropylene, or polyethylene.
- substrates made of glass as well as substrates made of polyethylene terephthalate, polycarbonate, polypropylene, or polyethylene.
- a prefabricated thermochromic film of a certain thickness was placed in the inter-glass gap, the height of which is very complicated.
- the use of the film additionally imposed stringent requirements on the quality of the glass surface; the surface should not deviate from flatness by more than 5% of the film thickness in the developed prototype device.
- the liquid photocurable composition of the claimed device fills in the bumps, sharply reducing the precision requirements for the quality of the surfaces of the triplex glasses.
- environmental design elements of complex configuration “caps”, “peaks”, spherical-shaped elements, glass sculptures, etc., which was unattainable when using the prototype film technology.
- the light-regulating thermochromic device includes at least two light-transmitting substrates and at least one thermochromic layer that reversibly changes the transmission of light and heat flux when its temperature changes in the visible and / or near infrared spectral regions, in which, unlike the prototype the thermochromic layer is made of a thermochromic material, which is a photocurable composition based on mixtures of monomers and oligomers of derivatives of unsaturated acids, containing complexes of transition metals and gal alkali and / or alkaline earth metal oxide. These materials have high thermochromic efficiency (Table 2 (examples 1-21, figures 1-20)).
- thermochromic device may contain at least one solvent or plasticizer.
- a solvent or plasticizer leads to an increase in the efficiency of light control (Table 2, examples 4-21, figures 4-20).
- Thermochromic material additionally contains nitrophenols.
- thermochromic transitions This makes it possible to expand the color gamut of thermochromic transitions while maintaining and increasing the light fastness of the material and provide additional protection for the room from ultraviolet (UV) radiation (Table 2, example 21).
- UV radiation Table 2, example 21.
- thermochromic layer is made of a thermochromic material containing metal complexes with charge transfer.
- compositions contribute to increasing the thermochromic efficiency of the inventive thermochromic device, due to the well-known high value of the molar extinction coefficient of the absorption bands, which makes it possible to effectively cut off UV radiation in the region of 200-400 nm (Table 2, examples 7, 14-16, 19, 20 of figure 7 , 12, 13, 15, 19, 20) without the use of UV absorbers and UV stabilizers, without which most of the examples of thermochromic layers specified in the prototype do not do (p. 37, 38 of the prototype, Examples 245, 254-280, 282, 286-294).
- the light control thermochromic device contains at least one thermochromic layer of thermochromic material with a non-uniform color area. This embodiment of the device is suitable for use in environmental design elements.
- Thermochromic material can be a non-toxic or low-toxic composition (Table 2. Examples 2, 3, figures 2, 3). This condition is necessary due to the use of thermochromic devices for residential premises and for other purposes involving contact between a person and the device.
- Ci nopei is an effective thermochromic device that is convenient to use because it allows you to significantly expand the color gamut of thermochromic transitions.
- the light control thermochromic device may further include at least one polymer layer, which is a photocurable composition based on mixtures of monomers and oligomers of unsaturated acid derivatives with constant light absorption, containing transition metal complexes and alkali and / or alkaline earth metal halides, or nitrophenols, or azo dyes, or combinations thereof.
- at least one polymer layer which is a photocurable composition based on mixtures of monomers and oligomers of unsaturated acid derivatives with constant light absorption, containing transition metal complexes and alkali and / or alkaline earth metal halides, or nitrophenols, or azo dyes, or combinations thereof.
- the constant light absorption polymer layer may contain at least one solvent or plasticizer.
- the polymer layer with constant light absorption can be a non-toxic or low-toxic composition (Table 3., examples 22, 23, 25, 29 - 31, 36, 48 - 50, 52 - 56, 82 - 84, 90, 100, 104, 110, 111, figures 22, 23, 25, 29 - 31, 36, 48, 49, 51 - 53, 79-81, 87, 95, 99, 105, 106, respectively; examples from Option j al: Table 2 , examples 2, 3, figures 2, 3). This condition is necessary due to the use of thermochromic devices for residential premises and for other purposes involving contact between a person and the device.
- a polymer layer with constant light absorption is made of a material containing metal complexes with charge transfer.
- thermochromic layers specified in the prototype do not do (page 37, 38 of the prototype, Examples 245, 254-280, 282, 286-294).
- transition metal complexes with charge transfer allows you to expand the color gamut of thermochromic devices, in particular, to create layers of bronze and gray colors, due to the absorption in the center of the visible range of 500-550 nm (Table 3, examples 84, 93, 94, figures 81, 88, 89, and also see examples: (Table 2, example 2, figure 2).
- a polymer layer with constant or variable light absorption can have a non-uniform area color.
- This embodiment of the device is suitable for use in environmental design elements.
- the light control thermochromic device may include at least one layer between the thermochromic layer and the substrate and / or layers with constant or variable light absorption, made of a photo-, or thermo-, or chemically curable composition based on mixtures of unsaturated acid monomers and oligomers, or an interlayer made of a water-soluble vinyl-based polymer containing at least one plasticizer and transition metal complexes including solvent or plastic components ikatora and / or halides, or mixtures thereof.
- the use of such layers between thermochromic layers makes it possible to expand the range of color transitions.
- thermochromic device is convenient for use due to the fact that the thermochromic layer, as well as the layer with constant or variable light absorption, does not follow from the space between the substrates in case of cracks when destruction of the thermochromic device (double-glazed unit) and does not exert hydrostatic pressure on the substrates.
- thermochromic layer in the form of a photopolymerizable layer in all cases allows us to simplify the manufacturing technology of a thermochromic device, due to the absence of unique synthesis stages, as well as the stages of manufacturing a thermochromic polymer film and its triplexing in an autoclave at elevated temperatures and pressures.
- thermochromic layer in the form of a photocurable layer in the claimed device lies in the possibility of using standard industrial equipment and standard technology used in the manufacture of photocurable glass triplex.
- thermochromic device Unlike the prototype, the simplification of the technological process of manufacturing a thermochromic device is achieved through the exclusive use of ready-made and readily available reagents, as well as combining all stages of the synthesis into one, which reduces to mixing all components and heating at temperatures of 60-80 ° C for a relatively short time (max - within 0.5 hours) with subsequent filling of the inter-glass space of the triplex with the prepared composition and its subsequent polymerization under UV radiation.
- thermochromic layers allow reducing the triplexing process to introducing the photocurable composition into a gap of a thickness of 0.01 mm (between the layer and the substrate, or between different layers) and subsequent polymerization for 15-40 minutes, which greatly simplifies and reduces the cost of manufacturing technology the claimed thermochromic device, compared with the prototype.
- the use of such photocurable layers makes it possible to expand the range of color transitions.
- the inventive thermochromic device is characterized by the maximum ease of manufacturing thermochromic material. The manufacturing procedure for all options is reduced to the simultaneous mixing of the components and short-term heating of the mixture.
- thermochromic device when performing polymer layers with variable or constant light absorption is expedient and only possible in the spaces between non-planar substrate substrates.
- Table 2 shows the formulations of the compositions and the optical properties of the material of the thermochromic layer, made in the form of a photocurable layer with variable light absorption.
- thermochromic layers according to claim 1 of the formula containing metal complexes with charge transfer are 2, 7, 14-20.
- Table 3 shows the formulations of the compositions and the optical properties of the material of the layer with constant light transmission.
- UV curable composition 1 1 UV curable composition 1 1
- SoVg 2 -6N 2 0 (sea color) 0.061
- SoVg 2 -6N 2 0 (sea color) 0.061
- UV curable composition 1 1 UV curable composition 1 1
- UV curable composition 1 1 UV curable composition 1 1
- Examples to paragraph 9 of the formula are 22, 23, 25, 29 - 31, 36, 48 - 50, 52 - 56, 82 - 84, 90, 100, 105, 106, 110-115.
- Examples to paragraph 10 of the formula concerning layers with constant light transmission according to claim 7 of the formula containing metal complexes with charge transfer are 22, 23, 25, 27, 36, 43 - 46, 48 - 50, 52 - 56, 61 - 84 , 86, 87, 93-98, 101-103, 105, 106, 109, 112 - 116, 122, 126 - 128, figures 22, 23, 25, 27, 36, 43 - 46, 48, 49, 51 - 53, 58 - 81, 83, 84, 88 - 93, 96 - 98,100, 101,104, 107 - 111, 112, 115, 119 - 121.
- Examples to paragraphs 11, 12 of the formula can be obtained using the layers described in examples 1 to 129 in accordance with Examples 2 to 5 of the manufacture of a thermochromic device.
- thermochromic material made from the presented examples of compositions has high thermochromic efficiency (D 70 / D 20 ), which is understood as the ratio of optical densities at a given wavelength achieved at high (60-85 ° C) and low ( 20-25 ° C) temperatures, which is explained by the fact that the developed new thermochromic material as an integral component contains water, which is a strong field ligand, which is necessary to optimize the thermodynamic parameters of the reaction of the thermochromic Ode for the purpose of achieve high thermochromic efficiency.
- water is also preferable from the point of view of environmental and fire safety of the production and operation of a thermochromic device.
- thermochromic device differs from the prototype production technology in simplicity and low cost by combining all stages of the synthesis of the thermochromic layer into one (mixing all components (solvents, transition, alkali and alkaline earth metals, polymers and plasticizers)), followed by filling the gap between the substrates and photodamage according to Options 1 and Ns 2.
- thermochromic layer in the form of a photocurable composition in the device we declare is the possibility of using standard industrial equipment and standard technology used in the manufacture of stelotriplexes.
- simplification of the manufacturing process of the thermochromic device developed by us is achieved through the exclusive use of ready-made and readily available reagents, as well as combining all stages of the synthesis into one, which reduces to mixing all components and heating at temperatures of 60-80 ° C for less than 10 minutes, followed by filling the inter-glass space of the triplex with the prepared composition and its subsequent polymerization under UV radiation.
- the drawings show graphs of the optical density spectra of a layer with variable light absorption (at two temperatures), or with constant light absorption (at 20 ° C).
- the spectra are reduced to an absorbing layer thickness of 1 mm.
- spectra with lower optical densities correspond to a temperature of 20 ° C
- spectra with large optical densities correspond to a temperature of 60 ° C
- Figure 2 the exception of Figure 2, for which, on the contrary, the spectrum at lower optical densities, a temperature of 60 ° C corresponds, and a spectrum with large optical densities corresponds to a temperature of 20 ° C.
- FIG. 1 shows the absorption spectra of the thermochromic material described in example 1 (Table. 2).
- FIG. 2 shows the absorption spectra of the thermochromic material described in example 2 (Table 2).
- FIG. Figure 3 shows the absorption spectra of the thermochromic material described in Example 3 (Table 2).
- FIG. 4 shows the absorption spectra of the thermochromic material described in example 4 (Table. 2).
- FIG. 5 shows the absorption spectra of the thermochromic material described in example 5 (Table. 2).
- FIG. 6 shows the absorption spectra of the thermochromic material described in example 6 (Table 2).
- FIG. 7 shows the absorption spectra of the thermochromic material described in example 7 (Table 2).
- FIG. Figure 8 shows the absorption spectra of the thermochromic material described in Example 9 (Table 2).
- FIG. 9 shows the absorption spectra of the thermochromic material described in Example 11 (Table 2).
- FIG. 10 shows the absorption spectra of the thermochromic material described in example 12 (Table 2).
- FIG. 11 shows the absorption spectra of the thermochromic material described in example 13 (Table. 2).
- FIG. 12 shows the absorption spectra of the thermochromic material described in example 14 (Table 2).
- FIG. 13 shows the absorption spectra in the UV and visible ranges of the thermochromic material described in example 15 (Table 2). In the upper part of the figure, the curves of the absorption spectra are multiplied by a factor of 8.
- FIG. 14 shows the absorption spectra in the near infrared (IR) range of the thermochromic material described in example 15 (Table 2).
- FIG. 15 shows the absorption spectra of the thermochromic material described in example 16 (Table. 2). In the upper part of the figure, the absorption spectrum curves are multiplied by a factor of 10.
- FIG. 16 shows the absorption spectra of the thermochromic material described in example 17 (Table 2).
- FIG. 17 shows the absorption spectra in the UV and visible ranges of the thermochromic material described in example 18 (Table. 2).
- FIG. 18 shows the absorption spectra in the near infrared (IR) range of the thermochromic material described in example 18 (Table. 2).
- FIG. 19 shows the absorption spectra of the thermochromic material described in example 19 (Table 2). In the upper part of the figure, the absorption spectrum curves are multiplied by a factor of 10.
- FIG. 20 shows the absorption spectra of the thermochromic material described in example 20 (Table. 2)
- FIG. Figure 21 shows the absorption spectrum of a picric acid solution (Table 2).
- the spectrum is reduced to a picric acid concentration of 0.01 mol / L and an absorbing layer thickness of 1 mm.
- the spectrum was measured at 20 ° C.
- FIG. 22 shows the absorption spectra of the polymer layer with constant light absorption described in example 22 (Table 3).
- FIG. 23 shows the absorption spectra of the polymer layer with constant light absorption described in example 23 (Table. 3).
- FIG. 24 shows the absorption spectra of the polymer layer with constant light absorption described in example 24 (Table 3).
- FIG. 25 shows the absorption spectra of the polymer layer with constant light absorption described in example 25 (Table 3).
- FIG. 26 shows the absorption spectra of the polymer layer with constant light absorption described in example 26 (Table 3).
- FIG. 27 shows the absorption spectra of the polymer layer with constant light absorption described in example 27 (Table 3).
- FIG. 28 shows the absorption spectra of the polymer layer with constant light absorption described in example 28 (Table 3).
- FIG. 29 shows the absorption spectra of the polymer layer with constant light absorption described in example 29 (Table 3).
- FIG. 30 shows absorption spectra of a polymer layer with constant light absorption described in Example 30 (Table 3).
- FIG. 31 shows the absorption spectra of the polymer layer with constant light absorption described in example 31 (Table 3).
- FIG. 32 shows the absorption spectra of the polymer layer with constant light absorption described in example 32 (Table 3).
- FIG. 33 shows absorption spectra of a polymer layer with constant light absorption described in example 33 (Table 3).
- FIG. 34 shows the absorption spectra of the polymer layer with constant light absorption described in example 34 (Table 3).
- FIG. 35 shows the absorption spectra of the polymer layer with constant light absorption described in example 35 (Table 3).
- FIG. 36 shows the absorption spectra of the polymer layer with constant light absorption described in example 36 (Table 3).
- FIG. 37 shows the absorption spectra of the polymer layer with constant light absorption described in example 37 (Table 3).
- FIG. 38 shows the absorption spectra of the polymer layer with constant light absorption described in example 38 (Table 3).
- FIG. 39 shows the absorption spectra of the polymer layer with constant light absorption described in example 39 (Table 3).
- FIG. 40 shows the absorption spectra of the polymer layer with constant light absorption described in example 40 (Table 3).
- FIG. 41 shows the absorption spectra of the polymer layer with constant light absorption described in example 41 (Table 3).
- FIG. 42 shows the absorption spectra of the polymer layer with constant light absorption described in example 42 (Table 3).
- FIG. 43 shows the absorption spectra of the polymer layer with constant light absorption described in example 43 (Table 3).
- FIG. 44 shows the absorption spectra of the polymer layer with constant light absorption described in example 44 (Table 3).
- FIG. 45 presents the absorption spectra of the polymer layer with constant light absorption described in example 45 (Table. 3).
- FIG. 46 shows the absorption spectra of the polymer layer with constant light absorption described in example 46 (Table 3).
- FIG. 47 shows the absorption spectra of the polymer layer with constant light absorption described in example 47 (Table 3).
- FIG. 48 shows the absorption spectra of the polymer layer with constant light absorption described in example 48 (Table 3).
- FIG. 49 shows absorption spectra of a polymer layer with constant light absorption described in Example 49 (Table 3).
- FIG. 50 shows the absorption spectra of the polymer layer with constant light absorption described in example 51 (Table 3).
- FIG. 51 shows the absorption spectra of the polymer layer with constant light absorption described in example 54 (Table 3).
- FIG. 52 shows the absorption spectra of the polymer layer with constant light absorption described in example 55 (Table 3).
- FIG. 53 shows the absorption spectra of the polymer layer with constant light absorption described in example 56 (Table. 3).
- FIG. 54 shows the absorption spectra of the polymer layer with constant light absorption described in example 57 (Table 3).
- FIG. 55 shows the absorption spectra of the polymer layer with constant light absorption described in example 58 (Table 3).
- FIG. 56 shows the absorption spectra of the polymer layer with constant light absorption described in example 59 (Table 3).
- FIG. 57 shows the absorption spectra of the polymer layer with constant light absorption described in example 60 (Table 3).
- FIG. 58 shows the absorption spectra of a polymer layer with constant light absorption described in example 61 (Table 3).
- FIG. 59 shows the absorption spectra of the polymer layer with constant light absorption described in example 62 (Table 3).
- FIG. 60 shows absorption spectra of a polymer layer with constant light absorption described in Example 63 (Table 3).
- FIG. 61 shows absorption spectra of a polymer layer with constant light absorption described in Example 64 (Table 3).
- FIG. 62 shows absorption spectra of a polymer layer with constant light absorption described in Example 65 (Table 3).
- FIG. 63 shows the absorption spectra of the polymer layer with constant light absorption described in example 66 (Table 3).
- FIG. 64 shows the absorption spectra of the polymer layer with constant light absorption described in example 67 (Table 3).
- FIG. 65 shows the absorption spectra of the polymer layer with constant light absorption described in example 68 (Table 3).
- FIG. 66 presents the absorption spectra of the polymer layer with constant light absorption described in example 69 (Table 3).
- FIG. 67 presents absorption spectra of a polymer layer with constant light absorption described in example 70 (Table 3).
- FIG. 68 shows the absorption spectra of the polymer layer with constant light absorption described in example 71 (Table 3).
- FIG. 69 shows the absorption spectra of the polymer layer with constant light absorption described in example 72 (Table 3).
- FIG. 70 shows the absorption spectra of the polymer layer with constant light absorption described in example 73 (Table 3).
- FIG. 71 shows absorption spectra of a polymer layer with constant light absorption described in Example 74 (Table 3).
- FIG. 72 shows the absorption spectra of the polymer layer with constant light absorption described in example 75 (Table 3).
- FIG. 73 shows absorption spectra of a polymer layer with constant light absorption described in Example 76 (Table 3).
- FIG. 74 shows absorption spectra of a polymer layer with constant light absorption described in Example 77 (Table 3).
- FIG. 75 shows absorption spectra of a polymer layer with constant light absorption described in Example 78 (Table 3).
- FIG. 76 shows the absorption spectra of the polymer layer with constant light absorption described in example 79 (Table 3).
- FIG. 77 shows absorption spectra of a polymer layer with constant light absorption described in Example 80 (Table 3).
- FIG. 78 shows the absorption spectra of the polymer layer with constant light absorption described in example 81 (Table 3).
- FIG. 79 shows the absorption spectra of the polymer layer with constant light absorption described in example 82 (Table 3).
- FIG. 80 shows the absorption spectra of the polymer layer with constant light absorption described in example 83 (Table 3).
- FIG. 81 shows absorption spectra of a polymer layer with constant light absorption described in Example 84 (Table 3).
- FIG. 82 shows absorption spectra of a polymer layer with constant light absorption described in Example 85 (Table 3).
- FIG. 83 shows the absorption spectra of the polymer layer with constant light absorption described in example 86 (Table 3).
- FIG. 84 shows the absorption spectra of the polymer layer with constant light absorption described in example 87 (Table 3).
- FIG. 85 shows the absorption spectra of a polymer layer with constant light absorption described in example 88 (Table 3).
- FIG. 86 shows the absorption spectra of the polymer layer with constant light absorption described in example 89 (Table. 3).
- FIG. 87 shows the absorption spectra of the polymer layer with constant light absorption described in example 90 (Table 3).
- FIG. 88 presents the absorption spectra of the polymer layer with constant light absorption described in example 93 (Table 3).
- FIG. 89 shows the absorption spectra of a polymer layer with constant light absorption described in example 94 (Table 3).
- FIG. 90 shows the absorption spectra of the polymer layer with constant light absorption described in example 95 (Table 3).
- FIG. 91 shows absorption spectra of a polymer layer with constant light absorption described in Example 96 (Table 3).
- FIG. 92 shows the absorption spectra of the polymer layer with constant light absorption described in example 97 (Table 3).
- FIG. 93 shows absorption spectra of a polymer layer with constant light absorption described in Example 98 (Table 3).
- FIG. 94 shows absorption spectra of a polymer layer with constant light absorption described in Example 99 (Table 3).
- FIG. 95 shows the absorption spectra of a polymer layer with constant light absorption described in example 100 (Table 3).
- FIG. 96 shows the absorption spectra of the polymer layer with constant light absorption described in example 101 (Table 3).
- FIG. 97 shows absorption spectra of a polymer layer with constant light absorption described in Example 102 (Table 3).
- FIG. 98 shows the absorption spectra of the polymer layer with constant light absorption described in example 103 (Table. 3).
- FIG. 99 shows absorption spectra of a polymer layer with constant light absorption described in Example 104 (Table 3).
- FIG. 100 shows absorption spectra of a polymer layer with constant light absorption described in Example 105 (Table 3).
- FIG. 101 presents absorption spectra of a polymer layer with constant light absorption described in example 106 (Table 3).
- FIG. 102 shows the absorption spectra of the polymer layer with constant light absorption described in example 107 (Table 3).
- FIG. 103 shows the absorption spectra of a polymer layer with constant light absorption described in example 108 (Table 3).
- FIG. 104 shows the absorption spectra of the polymer layer with constant light absorption described in example 109 (Table 3).
- FIG. 105 shows the absorption spectra of the polymer layer with constant light absorption described in example 110 (Table 3).
- FIG. 106 shows the absorption spectra of the polymer layer with constant light absorption described in example 111 (Table 3).
- FIG. 107 shows the absorption spectra of a polymer layer with constant light absorption described in example 112 (Table 3).
- FIG. 108 shows the absorption spectra of the polymer layer with constant light absorption described in example 113 (Table 3).
- FIG. 109 shows the absorption spectra of the polymer layer with constant light absorption described in example 114 (Table 3).
- FIG. PO presents absorption spectra of a polymer layer with constant light absorption described in Example 115 (Table 3).
- FIG. 111 shows absorption spectra of a polymer layer with constant light absorption described in Example 116 (Table 3).
- FIG. 112 shows the absorption spectra of the polymer layer with constant light absorption described in example 117 (Table 3).
- FIG. 113 shows the absorption spectra of the polymer layer with constant light absorption described in example 118 (Table 3).
- FIG. 114 shows the absorption spectra of the polymer layer with constant light absorption described in example 121 (Table 3).
- FIG. 115 shows the absorption spectra of the polymer layer with constant light absorption described in example 122 (Table 3).
- FIG. 116 shows absorption spectra of a polymer layer with constant light absorption described in Example 123 (Table 3).
- FIG. 117 shows the absorption spectra of the polymer layer with constant light absorption described in example 124 (Table. 3).
- FIG. 118 shows the absorption spectra of the polymer layer with constant light absorption described in example 125 (Table 3).
- FIG. 119 shows the absorption spectra of the polymer layer with constant light absorption described in example 126 (Table. 3).
- FIG. 120 shows the absorption spectra of the polymer layer with constant light absorption described in example 127 (Table. 3).
- FIG. 121 shows the absorption spectra of the polymer layer with constant light absorption described in example 128 (Table 3).
- FIG. 122 shows the absorption spectra of the polymer layer with constant light absorption described in example 129 (Table 3).
- thermochromic device The manufacture of a thermochromic device is as follows:
- Example JV The manufacture of a thermochromic device in accordance with paragraphs 1-12 of the formula.
- thermochromic composition in initial quantities (the formulation is shown in Table 2 (examples 1-21)) are simultaneously mixed.
- Compositions for obtaining a layer with constant light transmission based on a photocurable composition are prepared similarly (Table 3 (examples 22- 129).
- a photocurable composition a composition based on mixtures of monomers and oligomers of unsaturated acid derivatives, for example, "UV-11," is used.
- the resulting mixture heated at 60-80 ° C under reflux and with continuous stirring for less than 10 minutes until the components are completely dissolved (until the precipitate disappears)
- the resulting composition is cooled to a temperature corresponding to an acceptable elm spine, and poured into a prefabricated single-chamber or multi-chamber a double-glazed window, the chambers of which are formed by sheets of glass or sheets of polymer, preferably with a transparency of not less than 90-92%, and which can be hardened by clamps for the thickness of the gap, and seal.
- the concentrations of the components and the thickness of the layers are selected based on the need to achieve the desired color gamut and the degree of darkening when triggered. Photocuring is carried out according to standard technology for 15-40 minutes before the curing of the layer.
- thermochromic layers can be combined into a multilayer triplex containing polymer layers with constant or variable light absorption based on a photo-, thermo- or chemically cured composition based on mixtures of monomers and oligomers of derivatives of unsaturated acids (according to paragraphs 1-12 of the formula), or made of a water-soluble vinyl-based polymer containing at least one plasticizer and transition metal complexes, including Radical components of a solvent or plasticizer and / or halides, or a mixture thereof.
- thermochromic triplex On the basis of the described single-layer or multi-layer thermochromic triplex, a window pane is assembled according to well-known technology, containing a gap filled with air or inert gas, and also containing a low emission coating (Low E), applied to protect it from damage on one of the inner surfaces of the glass pane.
- This design provides automatic control of the illumination of the room, as well as an energy-saving effect when using the claimed thermochromic device as a glass window or structural glazing of walls.
- thermochromic layer optimized for “response” in the temperature range above the “comfortable” (20-25 ° C) remains highly transmissive. Therefore, sunlight and heat freely penetrate through the window into the room, or when using structures as “structural” glazing (instead of plaster) fall on the wall of the building and heat it. Since the heated wall and room emit heat in the far infrared range (10 ⁇ m), the low-emission coating does not let it out, providing energy saving.
- the thermochromic layer In the warm season (summer) when using this design as a window glazing, the thermochromic layer “works”, its transmission of light and heat decreases.
- thermochromic layer leads to its heating and is emitted in the far infrared range and, therefore, is reflected outward by a low-emission coating applied to one of the surfaces of the structure internal to the room.
- this design as a "structural" glazing in the summer, all solar energy absorbed by the thermochromic layer is reflected outside in the far infrared range, without creating a glare effect, in contrast to the well-known constant-reflection sunscreens.
- thermochromic device (items 5, 11, 12 of the formula).
- thermochromic triplex Prepare a single-layer or multi-layer thermochromic triplex according to Example JNs 1 manufacturing thermochromic device.
- at least one of the layers is composed (completed) in the form of a mosaic picture (or stained glass) from pieces of a layer of different thermochromic efficiency and / or color, which provides a heterogeneous color of the thermochromic device and a change in the plot of the stained glass depending on the illumination and weather conditions.
- thermochromic device p. 5, p. 11, p. 12 of the formula.
- Stained-glass windows, signatures, etc. can be created by applying thermochromic inscriptions or can be created by sequential photo-curing of design elements through appropriate stencils, replacements non-cured composition to a new one, for example, of a different color, also photocurable through (or without) an appropriate stencil, etc.
- thermochromic device (items 5, 11, 12 of the formula).
- thermochromic double-glazed unit is prepared according to Example JVa 1 of manufacturing a thermochromic device.
- at least one of the substrates of the double-glazed unit (triplex) contains a transparent conductive coating providing heating of the thermochromic layer or thermochromic layers that is uneven in area, leading to a non-uniform in color coloring of the thermochromic device, which changes or does not change over time.
- thermochromic devices show that the technological process for manufacturing thermochromic devices is simplified compared with the known solutions in this field, and also show the special availability of creating finished products, including glass and polymer surfaces (substrates) of complex configuration, which is especially important in the manufacture of glass or polymer caps, lights, etc.
- non-toxic or low-toxic substances are used as a rule.
- the technological process is simplified by reducing the number of stages of synthesis and manufacture (lamination) of thermochromic layers.
- the most profitable way of using the energy-saving light-regulating thermochromic glazing (ESTO) developed by us for energy saving purposes is its use as an external glazing as a part of a double-glazed window with Low E.
- ESTO compositions are optimized in such a way that at temperatures lower than 20 ° ⁇ (for example, in winter), the maximum influx of light and heat into the room is achieved, helping to reduce heating costs. In summer, at temperatures higher than 20 ° C, on the contrary, ESTO will reduce the flow of light and heat into the room, thereby reducing air-conditioning costs and eliminating excessive lighting.
- the advantages of ESTO are: automatic autonomous mode for regulating solar radiation without energy consumption and regulation systems, power sources; lack of light reflection in the visible range (no glare effect); relative simplicity of production technology, low cost, non-toxicity and availability of raw materials.
Landscapes
- Joining Of Glass To Other Materials (AREA)
- Laminated Bodies (AREA)
- Heat Sensitive Colour Forming Recording (AREA)
- Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
Abstract
Description
Claims
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US7525717B2 (en) * | 2006-09-01 | 2009-04-28 | Pleotint, L.L.C. | Multi-layer ligand exchange thermochromic systems |
US7538931B2 (en) * | 2006-09-01 | 2009-05-26 | Pleotint, L.L.C. | Ligand exchange thermochromic systems containing exchange metals |
US7817328B2 (en) * | 2006-09-01 | 2010-10-19 | Pleotint, L.L.C. | Thermochromic window structures |
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