CN103543483A - Flexible reflector film of sunlight reflector - Google Patents
Flexible reflector film of sunlight reflector Download PDFInfo
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- CN103543483A CN103543483A CN201310552563.7A CN201310552563A CN103543483A CN 103543483 A CN103543483 A CN 103543483A CN 201310552563 A CN201310552563 A CN 201310552563A CN 103543483 A CN103543483 A CN 103543483A
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/08—Mirrors
- G02B5/0816—Multilayer mirrors, i.e. having two or more reflecting layers
- G02B5/0825—Multilayer mirrors, i.e. having two or more reflecting layers the reflecting layers comprising dielectric materials only
- G02B5/0841—Multilayer mirrors, i.e. having two or more reflecting layers the reflecting layers comprising dielectric materials only comprising organic materials, e.g. polymers
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- 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
- C03C17/34—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions
- C03C17/36—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal
- C03C17/3602—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal the metal being present as a layer
- C03C17/3657—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal the metal being present as a layer the multilayer coating having optical properties
- C03C17/3663—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal the metal being present as a layer the multilayer coating having optical properties specially adapted for use as mirrors
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- 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
- C03C17/34—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions
- C03C17/36—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal
- C03C17/38—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal at least one coating being a coating of an organic material
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- 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
- C03C17/34—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions
- C03C17/42—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating of an organic material and at least one non-metal coating
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- 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
- C03C2217/00—Coatings on glass
- C03C2217/40—Coatings comprising at least one inhomogeneous layer
- C03C2217/42—Coatings comprising at least one inhomogeneous layer consisting of particles only
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- 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
- C03C2217/00—Coatings on glass
- C03C2217/70—Properties of coatings
- C03C2217/71—Photocatalytic coatings
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- 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
- C03C2217/00—Coatings on glass
- C03C2217/70—Properties of coatings
- C03C2217/74—UV-absorbing coatings
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- 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
- C03C2217/00—Coatings on glass
- C03C2217/70—Properties of coatings
- C03C2217/76—Hydrophobic and oleophobic coatings
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- 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
- C03C2218/00—Methods for coating glass
- C03C2218/30—Aspects of methods for coating glass not covered above
- C03C2218/355—Temporary coating
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- 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
- C03C2218/00—Methods for coating glass
- C03C2218/30—Aspects of methods for coating glass not covered above
- C03C2218/365—Coating different sides of a glass substrate
Abstract
The invention discloses a flexible reflector film of a sunlight reflector. The flexible reflector film is of a multi-layer film material composite structure, when the flexible reflector film is viewed in the incidence direction of sunlight, the flexible reflector film sequentially comprises a transparent flexible inorganic material carrier film, a metal material reflection film, a metal material protecting film, a pressure-sensitive adhesive film and a pressure-sensitive adhesive stripping protecting film. It is optimized that the transparent flexible inorganic material carrier film is an ultra-thin flexible glass film or a transparent grapheme film. The sunlight reflector made of the reflector film has sunlight high-transmitting performance, ultraviolet radiation resistant performance, is resistant to solarization and durable, and has the advantages of being soft, ultra-thin and light. The flexible reflector film is easy to manufacture, convenient to convey, easy to install, stable in work and long in service life. Meanwhile, after a nanometer material hydrophobic film or an ultraviolet-resistant self-cleaning protecting film is arranged on the surface of transparent flexible inorganic material in a composite mode, the sunlight reflector arranged outdoors can also have a self-cleaning function, and be free of dust, resistant to oil contamination, acid, alkali and ultraviolet light, and easy to clean.
Description
Technical field
The present invention relates to sunshine reflection technology, refer to particularly the flexible mirror film of a kind of solar light reflecting mirror.
Background technology
At present, in mirror equipment, the catoptron that the glass of take is main body is most widely used.Particularly in solar light-heat power-generation field; existing paraboloid trough type catoptron, hyperbolic paraboloid dish formula catoptron, spheric curvature dish formula catoptron and catoptron of micro-curvature settled date of sphere etc.; mostly adopt hot bending to become the glass carrier of certain curve form to make; its machining profile is: first sheet glass used mould hot bending to become to set the bend glass carrier of curvature; then bend glass carrier is cleaned up; then on bend glass carrier, plate one deck silver metal reflective film; plate again layer of copper metal coating film, finally apply one deck protective layer.
These catoptrons that tan by the sun lower work for outdoor sunshine advantage is generally that reflectivity is high, to the full spectral reflectivity of sunshine up to more than 98%.And, because glass carrier is the potpourri of inorganic salts, the adhesion of locating between material molecule lattice is not subject to the impact of ultraviolet light, be that it is insensitive to the ultraviolet ray in sunshine, on glass carrier silver-plated metallic reflection film there is not the phenomenon that is subject to UV-irradiation and damages yet, so its weather resisteant can be good, ultraviolet light erosional competency is strong, working stability is reliable, normal service life is high.Practice shows, first nearly 30 years of the outdoor glass solar light reflection mirror for slot type generating continuous working (because of clash into damage except).Yet the shortcoming that glass solar light reflection mirror exists is also fairly obvious: need mould hot bending, complex manufacturing technology; Installation and Debugging are wasted time and energy, in use procedure, are affected by the external environment larger, and cracky under the weather extremes such as blast, heavy rain, hail.
In order to address the above problem, application number is that 200680052293.1 Chinese invention patent application Publication Specification has proposed a kind of improved ultraviolet-resistant silver being used in solar mirror, and its design main points are to use the organic polymer polyester material film of sandwich construction to substitute above-mentioned sheet glass.Its film layer structure is from top to bottom mainly: the acylate film (PMMA is commonly called as organic glass), the adhesive phase, poly-to stupid dioctyl phthalate ethylene glycol membrane of lipoprotein (PET), silver metal film, copper metal film and pressure sensitive adhesive adhesive phase that are mixed with ultraviolet light absorber.
The advantage of above-mentioned improvement silver mirror is: PMMA film, PET film are all very soft, overlayed on rigidity sheet material, just can form various complex-curved, make processing in enormous quantities, manufacture, transportation, installation, the debugging of solar light reflecting mirror all become easily convenient, thereby can save cost of manufacture.Its shortcoming mainly contains two: the first, the combination process more complicated of layer high molecule polyester material film.The second, in macromolecule organic polymer molecule, the chemical bond C=H between carbon hydrogen element is very sensitive to the ultraviolet light in solar spectrum, is subject to for a long time UV-irradiation easily to cause this chemical bond to disconnect, and macro manifestations is the aging damage of macromolecule organic polymer.Although this silver mirror is taked the measure of ultraviolet light,, still can there is degradation and decomposition phenomenon in insolation under sunshine for a long time, thereby cause its reflectivity to decline to a great extent.Described in its instructions, this silver mirror (about 5 times to the insolation intensity of natural daylight) in weather resisteant test, the reflectivity that is equivalent to retain in the weather resisteant test of 9 years is only 90%.Go through sunshine insolation in nearly 30 years with traditional glass carrier catoptron and also retain up to 97% reflectivity and compare, also have sizable gap, cause significantly shorten its serviceable life.
How to make full use of above-mentioned two kinds of catoptrons advantage separately, and overcome above-mentioned two kinds of catoptrons shortcoming separately, be those skilled in the art's difficult problems urgently to be resolved hurrily always.
Summary of the invention
One of object of the present invention is will provide a kind of both had high sunlight reflected rate, good anti-uv-ray and anti-ly tanned by the sun weather resisteant energy, have again soft frivolous, make easily, the flexible mirror film of solar light reflecting mirror of installation and convenient transportation.
Two of object of the present invention is the flexible mirror film of provided solar light reflecting mirror also to be had be placed in for a long time to be outdoorly difficult for laying dust, easy cleaning, working stability, to remain the performance to sunshine high reflectance.
For achieving the above object; the flexible mirror film of solar light reflecting mirror that the present invention is designed; be multilayered film material composite structure; its special character is: this flexibility mirror film, along seeing in sunlight incident direction, is followed successively by layer of transparent flexible inorganic material support film, layer of metal material reflective film, layer of metal material protection film, one deck Performance of Pressure Sensitive Adhesive agent film and one deck pressure sensitive adhesive and peels off protective film.
Further, described transparent flexible inorganic material carrier thin film is ultrathin flexible glass film or Graphene transparent membrane.Wherein:
Described ultrathin flexible glass film is that the commodity " Willow Glass " released of the high-tech glass product ，Yi Corning Incorporated that just developed in recent years of those skilled in the art are the most representative.Research shows, when the thickness of glass that adopts pulling method or etching method to produce is at hundreds of micron and when following, it is very crisp by change, very hard, breakable characteristic is impacted, then possess softness, can deformation, resistance to 500 ℃ of left and right high temperature, not breakable performance, also kept simultaneously original, the sunshine transparent to sunshine of glass material through time energy be difficult for being absorbed, to the insensitive characteristic of ultraviolet light.Therefore,, using its carrier as metal material reflective film or base material, can replace polymer polyester material film completely.
During specific design, described ultrathin flexible glass film preferably thickness is δ≤150 μ m, and preferred thickness is δ=100～120 μ m.The thickness of ultrathin flexible glass film is thinner, and it is better to the transmittance of sunshine, to absorb the energy of sunshine also fewer, thereby more can improve the utilization ratio of solar light-heat power-generation.
Described Graphene transparent membrane product has also been widely used in the fields such as electronic apparatus, radio communication, health care, the monoatomic layer two dimensional surface film that Graphene is comprised of carbon atom, possesses fabulous flexibility, and there is the physical strength over 100 times of left and right of iron and steel, it self only absorbs approximately 2.3% sunshine, can accomplish almost completely printing opacity.Therefore,, using its carrier as metal material reflective film or base material, also can replace polymer polyester material film completely.
During specific design, the preferred thickness of described Graphene transparent membrane is δ≤100nm.In like manner, the thickness of Graphene transparent membrane is thinner, and it is better to the penetration performance of sunshine, to absorb the energy of sunshine also fewer, thereby more can improve the utilization ratio of solar light-heat power-generation.
Further, described metal material reflective film is silver metal reflective film or aluminum metal reflective film.For other metallic reflection films, and even silver metal reflective film all has the highest reflectivity for the infrared light of sunshine 780～2000nm of 320～780nm.And aluminum metal reflective film can be more lower slightly to the reflectivity of sunshine, but the cost of manufacture of aluminum metal reflective film is extremely cheap, has the economy of large-scale promotion, is also a more outstanding mirror coating.
A kind of in the compact aluminum oxide film of the compact aluminum oxide film of aluminum oxide film, aluminum metal and surperficial forced oxidation thereof that more further, described metal material protective film is copper metal film, aluminum metal and surperficial natural association thereof or whole layer forced oxidation.Because the thickness of silver metal reflective film or aluminum metal reflective film is very little; generally only have several microns to tens microns; the physical strength of particularly crossing thin silver metal reflective film is not good enough; therefore needing design protection film, its effect is that protection silver metal reflective film or aluminum metal reflective film are not damaged in process.Again because silver metal reflective film is not 100% to the reflectivity of 320nm left and right wave band ultraviolet light; always there is a little ultraviolet light to penetrate; therefore designed metal material protective film pay the utmost attention to adopt copper, aluminium these to the insensitive inorganic metal material of ultraviolet light: wherein copper, aluminum metal film and silver metal reflective film have fabulous affinity; and they are close to the reflectivity major part of each wave band of solar spectrum, therefore can play protection and complementation to silver metal reflective film well.And aluminum metal very easily generates Al with oxygen
2o
3film, fine and close Al
2o
3film has fabulous moisture resistant and antiacid caustic corrosion ability, is conducive to keep the stability of mirror film, extends the serviceable life of mirror film.
Also further, described Performance of Pressure Sensitive Adhesive agent film is transparent permanent acrylate glue film or polyvingl ether film.Because transparent flexible inorganic material carrier thin film and upper compound metal material reflective film thereof and metal material protective film thickness sum are also no more than hundreds of micron; its flexibility is splendid; thereby can adopt Performance of Pressure Sensitive Adhesive agent to be adhesively fixed in advance on the body surface of certain curved surface of design to make various complex-curved catoptrons, and make its processing in enormous quantities, transportation, installment and debugging all become simple.
Also further, to peel off protective film be a kind of in PE film, PP film, polyvinyl chloride resin film, cellulose tracing paper or thin kraft to described pressure sensitive adhesive.These protective films are with low cost, to pressure sensitive adhesive affinity not, can guarantee that Performance of Pressure Sensitive Adhesive agent film is not contaminated in processing, handling process, when laminating assembling, peel off fast, increase work efficiency.
As one of preferred version, above described transparent flexible inorganic material carrier thin film, be also coated with one deck nano-sized hydrophobic coating.
Further, described nano-sized hydrophobic coating is water-soluble TiO
2nano paint or water-soluble Al
2o
3nano paint, this nano paint can directly apply, after dry, form one deck nano-sized hydrophobic film, be attached to transparent flexible inorganic material carrier thin film surface, make it possess the several functions such as waterproof and dustproof, fungi-proofing, heat-resisting, acid and alkali-resistance and uvioresistant, also make to be positioned at outdoor solar light reflecting mirror outside surface and have self-cleaning function, easily washing or pressurized air purge, be difficult for binding dust, thereby guarantee its high reflectance to sunshine.
As two of preferred version, above described transparent flexible inorganic material carrier thin film, be also compounded with the self-cleaning protective film of one deck uvioresistant.
Further, the self-cleaning protective film of described uvioresistant is formed by PVDF and the PMMA coextrusion film blowing that is added with uvioresistant filler.PVDF is polyvinylidene fluoride, is commonly called as Teflon, and it has excellent self-cleaning property to optical transparency.PMMA is polymethylmethacrylate, is commonly called as organic glass, and it has certain intensity to optical transparency, and its appropriate uvioresistant filler that adds when film forming has anti-ultraviolet function.The film that PVDF and the PMMA coextru-lamination that is added with uvioresistant filler form has chemical resistance, resistant, UV resistant, anti-scribble, the excellent properties such as easy to clean, can make to be equally positioned at outdoor solar light reflecting mirror and have self-cleaning function, easy cleaning, is difficult for binding dust.
Further, the thickness of described PVDF is 5～10 μ m preferably, described in be added with uvioresistant filler preferred 10～50 μ m of PMMA thickness, and the percentage by weight of described uvioresistant filler in PMMA is 4～5%.The thickness matching of selecting PVDF and PMMA is the balance of considering both performances and price.PVDF is expensive, and PMMA low price, intensity are high, and both coextrusion film blowings in above-mentioned preferable range are compound, both can guarantee that it is self-cleaning, easy cleaning and the high characteristic of intensity, can effectively reduce again cost of manufacture, obtains excellent cost performance.
The invention has the advantages that: designed mirror film adopts the insensitive transparent flexible inorganic material of solar ultraviolet; for example ultrathin flexible glass film or Graphene transparent membrane are as carrier thin film; lower floor is compound to the highest silver metal reflective film of sunshine reflectivity or to sunshine reflectivity time high aluminum metal reflective film; and composite material protective film and Performance of Pressure Sensitive Adhesive agent film successively; thereby make prepared mirror film there is fabulous flexibility, can do the deformation of arbitrary surface shape.The solar light reflecting mirror that adopts this mirror film to make, traditional glass catoptron and high molecular polymerization thin membrance mirror defect have separately effectively been overcome, both there is high transmission performance, ultra-violet radiation resisting performance to sunshine, do not feared the performance of tanning by the sun permanent resistance to marquis, the characteristic again with softness, ultra-thin, light weight, its make simple, convenient transportation, installation easily, working stability, long service life.Simultaneously; after transparent flexible inorganic material surface coating one deck nano-sized hydrophobic coating or the self-cleaning protective film of compound one deck uvioresistant; also can make to be placed in outdoor solar light reflecting mirror and there is splendid self-cleaning function, not binding dust, oil resistant dirt, acid and alkali-resistance, UV resistant, easy to clean.
Accompanying drawing explanation
Fig. 1 is the layer structure schematic diagram of the flexible mirror film of the first solar light reflecting mirror.
Fig. 2 is the layer structure schematic diagram of the flexible mirror film of the second solar light reflecting mirror.
Fig. 3 is the layer structure schematic diagram of the flexible mirror film of the third solar light reflecting mirror.
Fig. 4 is the layer structure schematic diagram of the flexible mirror film of the 4th kind of solar light reflecting mirror.
Fig. 5 is the layer structure schematic diagram of the flexible mirror film of the 5th kind of solar light reflecting mirror.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail, and described embodiment does not pursue all exhaustive, only lists typical case.
Embodiment 1:
The flexible mirror film of the first solar light reflecting mirror as shown in Figure 1; it is the most basic mirror membrane structure of the present invention; it has five layer film composite structures: along seeing in sunlight incident direction, be followed successively by layer of transparent flexible inorganic material support film 1, layer of metal material reflective film 2, layer of metal material protection film 3, one deck Performance of Pressure Sensitive Adhesive agent film 4 and one deck pressure sensitive adhesive and peel off protective film 5.Wherein, transparent flexible inorganic material carrier thin film 1 adopts the ultrathin flexible glass film of commercial goods " Willow Glass " by name, thickness δ=100 μ the m of this ultrathin flexible glass film, its not only have softness, can deformation, high temperature resistant, not breakable performance, also have sunshine through time energy be difficult for being absorbed, to the insensitive characteristic of ultraviolet light.Metal material reflective film 2 adopts silver metal reflective film, and even its infrared light for sunshine 780～2000nm of 320～780nm all has the highest reflectivity.Metal material protective film 3 adopts copper metal film, and itself and silver metal have good affinity, and close to the reflectivity of each wave band of solar spectrum and silver metal, can to silver metal reflective film, play protection and complementation well.Performance of Pressure Sensitive Adhesive agent film 4 adopts transparent permanent acrylate glue or polyvingl ether to make, and it can strong bond set on the mirror body of shape.Pressure sensitive adhesive is peeled off the thin kraft that 5 of protective films can adopt PE film, PP film, polyvinyl chloride resin film, cellulose tracing paper or 50～130g; it is to Performance of Pressure Sensitive Adhesive agent film 4 affinity not; can protect Performance of Pressure Sensitive Adhesive agent film 4 not contaminated in processing, handling process, when pasting assembling, peel off rapidly.
In the present embodiment, metal material reflective film 2 also can aluminium metallic reflection film, and metal material protective film 3 still adopts copper metal film, or adopts the compact aluminum oxide film of whole layer forced oxidation, and the structure of all the other each layers is constant.Like this, prepared flexible mirror film can be more lower slightly to the reflectivity of sunshine, but aluminum metal raw material is easy to get, with low cost, economy and the practicality with large-scale promotion, is also a more outstanding ultraviolet resistance mirror film.
Embodiment 2:
The flexible mirror film of the second solar light reflecting mirror as shown in Figure 2, its film composite structure is substantially the same manner as Example 1.Different is that metal material protective film 3 is aluminum metal film 3a and the aluminum oxide film 3b of surperficial natural association or the compact aluminum oxide film 3b of aluminum metal film 3a and surperficial forced oxidation thereof.Like this, with aluminum metal film, replace copper metal film, not only can effectively reduce material cost, and be attached to the fine and close Al on aluminum metal surface
2o
3film has fabulous moisture resistant and antiacid caustic corrosion ability, thereby keeps the stability of mirror film, extends the serviceable life of mirror film.
Embodiment 3:
The flexible mirror film of the third solar light reflecting mirror as shown in Figure 3, its film composite structure is substantially the same manner as Example 1.Different is is ultrathin flexible glass film at transparent flexible inorganic material carrier thin film 1() above be coated with one deck nano-sized hydrophobic coating 6.Described nano-sized hydrophobic coating 6 can be selected water-soluble TiO
2nano paint, also can select water-soluble Al
2o
3nano paint.When directly applying, this coating can form very soon one deck nano-sized hydrophobic film, its firm attachment is on ultrathin flexible glass film surface, possess waterproof and dustproof, fungi-proofing, heat-resisting, acid and alkali-resistance, the several functions such as uvioresistant, also make to be placed in outdoor catoptron outside surface and there is self-cleaning function, easy cleaning (washing or pressurized air purge), is difficult for bonding dust, thereby can guarantees its high reflectance to sunshine.
Embodiment 4:
The flexible mirror film of the 4th kind of solar light reflecting mirror as shown in Figure 4, its film composite structure is substantially the same manner as Example 1.Different is is ultrathin flexible glass film at transparent flexible inorganic material carrier thin film 1() above be compounded with the self-cleaning protective film 7 of one deck uvioresistant.The self-cleaning protective film 7 of described uvioresistant is formed by PVDF thin layer 7a and the PMMA thin layer 7b coextrusion film blowing that is added with uvioresistant filler; wherein: the thickness of PVDF thin layer 7a is 5～10 μ m; the thickness that is added with the PMMA thin layer 7b of uvioresistant filler is 10～50 μ m, and the percentage by weight of uvioresistant filler in PMMA is 4～5%.It has resistance to chemical attack, resistant, UV resistant, anti-scribble and the multiple excellent specific property such as easy to clean, can make to be equally placed in outdoor catoptron outside surface and have self-cleaning function, and easy cleaning, is difficult for binding dust, thereby can guarantee its high reflectance to sunshine.Particularly; consider performance and the price equilibrium of the self-cleaning protective film 7 of uvioresistant, preferably the thickness of PVDF thin layer 7a is 5 μ m, and the thickness of PMMA thin layer 7b is 30 μ m; the percentage by weight of uvioresistant filler in PMMA is 5%, can obtain excellent cost performance.
Embodiment 5:
The flexible mirror film of the 5th kind of solar light reflecting mirror as shown in Figure 5, its film composite structure is substantially the same manner as Example 1.Different: one, transparent flexible inorganic material carrier thin film 1 is selected Graphene transparent membrane, has replaced the ultrathin flexible glass film in embodiment 1, the thickness δ≤100nm of Graphene transparent membrane.Graphene transparent membrane also has fabulous flexible characteristic, and has over 100 times of above physical strengths of iron and steel, and it also has fabulous light transmission under the situation of thickness δ≤100nm.Its two, at transparent flexible inorganic material carrier thin film, 1(is Graphene transparent membrane) above be coated with one deck nano-sized hydrophobic coating 6, described nano-sized hydrophobic coating 6 is selected water-soluble TiO
2nano paint, so that it has uvioresistant and self-cleaning function.Its three, the compact aluminum oxide film 3b of metal material protective film 3 aluminium metallic film 3a and surperficial forced oxidation thereof, has replaced the more expensive copper metal film of price in embodiment 1.
In sum, the flexible mirror film of solar light reflecting mirror of the present invention, owing to having adopted the insensitive transparent flexible inorganic material of solar ultraviolet if ultrathin flexible glass or Graphene transparent membrane are as base material, below compound to the strongest silver metal film of sunshine reflection or to sunshine reflection time strong aluminum metal film, compound again have a protection, the film of the function such as bonding, thereby make the solar light reflecting mirror made from this mirror film, the high reflectance both with traditional glass catoptron, uvioresistant, be not afraid of permanent resistance to marquis's feature of exposure in sunshine, there is again the high molecular polymer of being similar to film soft, ultra-thin, lightweight, make, transportation, the convenient feature that is easy to such as installation, also there is self-cleaning function simultaneously, binding dust not, oil resistant is dirty, acid and alkali-resistance, UV resistant, easy to clean.
Although several preferred embodiments of the present invention have been described above, and the present invention is not limited thereto.Because each rete different materials option of the present invention can derive multiple different structure, its function is also similar, at this, will not describe in detail one by one.
Claims (14)
1. the flexible mirror film of a solar light reflecting mirror; be multilayered film material composite structure; it is characterized in that: this flexibility mirror film is seen along sunlight incident direction, is followed successively by layer of transparent flexible inorganic material support film (1), layer of metal material reflective film (2), layer of metal material protection film (3), one deck Performance of Pressure Sensitive Adhesive agent film (4) and one deck pressure sensitive adhesive and peels off protective film (5).
2. the flexible mirror film of solar light reflecting mirror according to claim 1, is characterized in that: described transparent flexible inorganic material carrier thin film (1) is ultrathin flexible glass film or Graphene transparent membrane.
3. the flexible mirror film of solar light reflecting mirror according to claim 2, is characterized in that: the thickness δ≤150 μ m of described ultrathin flexible glass film.
4. the flexible mirror film of solar light reflecting mirror according to claim 2, is characterized in that: the thickness δ=100～120 μ m of described ultrathin flexible glass film.
5. the flexible mirror film of solar light reflecting mirror according to claim 2, is characterized in that: the thickness δ≤100nm of described Graphene transparent membrane.
6. according to the flexible mirror film of the solar light reflecting mirror described in any one in claim 1～5, it is characterized in that: described metal material reflective film (2) is silver metal reflective film or aluminum metal reflective film.
7. according to the flexible mirror film of the solar light reflecting mirror described in any one in claim 1～5, it is characterized in that: the compact aluminum oxide film of the compact aluminum oxide film that described metal material protective film (3) is aluminum oxide film, aluminum metal and the surperficial forced oxidation thereof of copper metal film, aluminum metal and surperficial natural association thereof or whole layer forced oxidation.
8. according to the flexible mirror film of the solar light reflecting mirror described in any one in claim 1～5, it is characterized in that: described Performance of Pressure Sensitive Adhesive agent film (4) is transparent permanent acrylate glue film or polyvingl ether film.
9. according to the flexible mirror film of the solar light reflecting mirror described in any one in claim 1～5, it is characterized in that: described pressure sensitive adhesive is peeled off protective film (5) for PE film, PP film, polyvinyl chloride resin film, cellulose tracing paper or thin kraft.
10. according to the flexible mirror film of the solar light reflecting mirror described in any one in claim 1～5, it is characterized in that: above described transparent flexible inorganic material carrier thin film (1), be coated with one deck nano-sized hydrophobic coating (6).
The flexible mirror film of 11. solar light reflecting mirror according to claim 10, is characterized in that: described nano-sized hydrophobic coating (6) is water-soluble TiO
2nano paint or water-soluble Al
2o
3nano paint.
12. according to the flexible mirror film of the solar light reflecting mirror described in any one in claim 1～5, it is characterized in that: above described transparent flexible inorganic material carrier thin film (1), be compounded with the self-cleaning protective film of one deck uvioresistant (7).
The flexible mirror films of 13. solar light reflecting mirrors according to claim 12, is characterized in that: the self-cleaning protective film of described uvioresistant (7) is formed by PVDF and the PMMA coextrusion film blowing that is added with uvioresistant filler.
The flexible mirror film of 14. solar light reflecting mirror according to claim 13, it is characterized in that: the thickness of described PVDF is 5～10 μ m, the described PMMA thickness that is added with uvioresistant filler is 10～50 μ m, and the percentage by weight of described uvioresistant filler in PMMA is 4～5%.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310552563.7A CN103543483B (en) | 2013-11-08 | 2013-11-08 | The flexible mirror film of solar light reflecting mirror |
| PCT/CN2014/090448 WO2015067190A1 (en) | 2013-11-08 | 2014-11-06 | Flexible mirror film of sunlight reflector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310552563.7A CN103543483B (en) | 2013-11-08 | 2013-11-08 | The flexible mirror film of solar light reflecting mirror |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103543483A true CN103543483A (en) | 2014-01-29 |
| CN103543483B CN103543483B (en) | 2016-01-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310552563.7A Active CN103543483B (en) | 2013-11-08 | 2013-11-08 | The flexible mirror film of solar light reflecting mirror |
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| Country | Link |
|---|---|
| CN (1) | CN103543483B (en) |
| WO (1) | WO2015067190A1 (en) |
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Also Published As
| Publication number | Publication date |
|---|---|
| WO2015067190A1 (en) | 2015-05-14 |
| CN103543483B (en) | 2016-01-20 |
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