CN104459833A - Novel optical polymer composite film and manufacturing method and application thereof - Google Patents
Novel optical polymer composite film and manufacturing method and application thereof Download PDFInfo
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- CN104459833A CN104459833A CN201410767872.0A CN201410767872A CN104459833A CN 104459833 A CN104459833 A CN 104459833A CN 201410767872 A CN201410767872 A CN 201410767872A CN 104459833 A CN104459833 A CN 104459833A
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
- G02B1/04—Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of organic materials, e.g. plastics
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
- G02B1/10—Optical coatings produced by application to, or surface treatment of, optical elements
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/20—Filters
- G02B5/28—Interference filters
- G02B5/285—Interference filters comprising deposited thin solid films
- G02B5/287—Interference filters comprising deposited thin solid films comprising at least one layer of organic material
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Abstract
The invention discloses a novel optical polymer composite film and a manufacturing method and an application of the novel optical polymer composite film. An optical film covers the surface of a substrate, the substrate is made of polymer materials, and the optical film is formed by overlapping M unit films. Each unit film is formed by overlapping N optical film layers made of polymer materials, wherein N=2 or 3, each optical film layer has preset thickness, and every two adjacent optical film layers have different refraction indexes; the multiple optical film layers are overlapped on the surface of the substrate through pressing to form the novel optical polymer composite film, or a multi-layer optical film is manufactured in a multi-layer co-extrusion blow molding mode and pasted to the surface of the substrate in a covering mode to form the novel optical polymer composite film. According to actual application needs, through designing the number of the unit films in the optical film and the thicknesses, the refraction indexes and the distribution of all the optical film layers in each unit film, different optical characteristics of the optical film can be achieved. The novel optical polymer composite film is simple in technology, low in cost and capable of being widely applied to the field of agricultural planting.
Description
Technical field
The present invention relates to thin film technique field, particularly relate to a kind of novel optical polymer composite film and preparation method thereof and application.
Background technology
Optical thin film is one or more layers other materials of surface coverage at base material, changes the transmissivity of predetermined band light and the object of reflectivity to reach.In general, the thickness of rete is in the magnitude of optical wavelength, and the thickness by changing rete changes the effect wave band of optical thin film.With reference to Fig. 1, for the rete of fixed thickness, the light path (i.e. phase differential) that the light of different-waveband is corresponding is different, and the intensity after its coherence stack is different, and this just correspond to different transmissivities and reflectivity.Current, optical thin film has been widely used in optics and photoelectron technical field, for the manufacture of the various instrument with specific optical effect.
In actual application, conventional optical filming material mainly comprises metal film and deielectric-coating, the requirement of the good optical thin film of optical effect to the purity of Coating Materials, the thickness of rete and homogeneity is higher, therefore its price also costly, which limits this optical thin film to the application of other industries and popularization, such as, in the agriculture hot house field that field of agricultural cultivation has used on a large scale.
The growth of crops depends on environment, and agriculture hot house and some techiques are the environment that crops create that is applicable to a growth more, and wherein, luminous environment is exactly very important a kind of environmental factor.Ruddiness, blue light are in two peak value places of photosynthesis of plant spectrum, being affect the topmost light source of plant growth, be also the light source that plant has the call, and the light of other wavelength is relatively little on photosynthetic impact, there are some researches show, the growth of green glow to certain plants has certain acting in opposition.Especially in summer, strong sunlight not only makes crops be in Xanthophyll cycle state, also makes the moisture in crops and soil evaporate in a large number, and this is seriously disadvantageous to the growth of crops.
Therefore, if can be applied in agricultural by optical thin film, by reducing the component of green glow, removing infrared light is this does not have effect and the more serious light source of thermal effect to photosynthesis, removing has the ultraviolet light of destruction to vegetable cell, this can promote the growth of crops.If the light not used for plant growth can be used again, such as disclosed in Chinese patent application CN103997285A, a kind of solar energy composite for planting greenhouse utilizes system, just additional economic benefit can be produced, calculate with the cultivated area of 1,800,000,000 mu, China, if 1% transform comprehensive photovoltaic agricultural base as, with the photoelectric transformation efficiency estimation of 10%, its installed capacity can reach 1000GW, generated energy is equivalent to 50 pipe of reinforced concrete at Three Gorges Power Stations, and its additional income that can bring is appreciable.
But, the metal film that current technology is comparatively ripe and deielectric-coating because of its price costly, temporarily do not possess and carry out to field of agricultural cultivation the condition promoted, limit the application of optical thin film in field of agricultural cultivation.
Applicant notices in the process realizing the application, if adopt polymeric material as optical film materials, such as tygon (PE) material, its cost of manufacture just can reduce widely.PE material has high, medium and low density shelves, the density of PE material, refractive index controllable, thus provide very large selection space for the design of optical thin film, and, existing dissimilar a lot of with the product of the PE material of function, production technology is also comparatively ripe, lays a good foundation for optical thin film is converted into the product being convenient to the popularization of applying.
Summary of the invention
Based on the technical matters that background technology exists, the present invention proposes a kind of novel optical polymer composite film and preparation method thereof and application.
The method for making of a kind of novel optical polymer composite film that the present invention proposes, described method for making is included in substrate surface and covers optical thin film; Substrate adopts polymeric material to make; Optical thin film is formed by stacking by M unit membrane, wherein M > 2, the optical film that each unit membrane adopts polymeric material to make by N layer is formed by stacking, wherein N=2 or N=3, every layer of optical film has predetermined thickness, and the two-layer optical film of arbitrary neighborhood has different refractive indexes.
Preferably, describedly cover optical thin film at substrate surface and be specially and optical thin film is compressed on substrate surface makes; Preferably, M × N layer optical film is overlayed substrate surface according to predefined procedure, then be placed in environment of heating and optical film is softened, and adopt rolling device to carry out compacting to optical film to form, in pressing process, control the uniform film thickness of every layer of optical film;
Or, describedly cover optical thin film at substrate surface and be specially optical thin film to cover and make at substrate surface; Preferably, utilize the blowing of Multi-layer blown film mode to obtain M × N layer optical film, and M × N layer optical film is covered make at substrate surface.
Preferably, in unit membrane, the optical film with different refractivity is made up of the polymeric material with different densities, and/or the optical film with different refractivity is made up of the polymeric material with different doping;
Preferably, in unit membrane, the optical film with different refractivity is made up of the polythene material with different densities, and/or the optical film with different refractivity is made up of the polythene material with different doping.
Preferably, substrate is polymethylmethacrylasheet sheet material; Preferably, the shady face of polymethylmethacrylasheet sheet material is made guide-lighting template or astigmatism template; Preferably, the shape of polymethylmethacrylasheet sheet material is parabolic shape; Or substrate is polyethylene film.
Preferably, according to the thickness of every layer of optical film in the quantity of unit mould in the optical characteristics of optical thin film design optical thin film and unit mould, refractive index and rete distribution; Preferably, the optical characteristics of optical thin film comprises transmissison characteristic and reflection characteristic; Preferably, light transmission characteristics comprises transmittance spectrum and printing opacity light intensity; Preferably, reflection characteristic comprises reflectance spectrum and reflective light intensity.
Preferably, M unit membrane has identical physical arrangement and optical characteristics.
The present invention proposes a kind of novel optical polymer composite film, comprising: substrate and optical thin film; Substrate is made up of polymeric material; Optical thin film covers substrate surface; Optical thin film is formed by stacking by M unit membrane, wherein M > 2, the optical film that each unit membrane adopts polymeric material to make by N layer is formed by stacking, wherein N=2 or N=3, every layer of optical film has predetermined thickness, and the two-layer optical film of arbitrary neighborhood has different refractive indexes.
Preferably, substrate is polymethylmethacrylasheet sheet material; Preferably, the shady face of polymethylmethacrylasheet sheet material is made guide-lighting template or astigmatism template; Preferably, the shape of polymethylmethacrylasheet sheet material is parabolic shape; Or substrate is polyethylene film;
Preferably, in unit membrane, the optical film with different refractivity is made up of the polymeric material with different densities, and/or the optical film with different refractivity is made up of the polymeric material with different doping; Preferably, in unit membrane, the optical film with different refractivity is made up of the polythene material with different densities, and/or the optical film with different refractivity is made up of the polythene material with different doping;
Preferably, M unit membrane has identical physical arrangement and optical characteristics.
Preferably, according to the thickness of every layer of optical film in the quantity of unit mould in the optical characteristics of optical thin film design optical thin film and unit mould, refractive index and rete distribution; Preferably, the optical characteristics of optical thin film comprises transmissison characteristic and reflection characteristic; Preferably, light transmission characteristics comprises transmittance spectrum and printing opacity light intensity; Preferably, reflection characteristic comprises reflectance spectrum and reflective light intensity;
Preferably, optical thin film can pass through the light of predetermined wavelength range and reflects the light of all the other wavelength coverages; Preferably, the light of described predetermined wavelength range comprises ruddiness, blue light;
Preferably, optical thin film light-permeable visible wavelength range visible ray and reflect the light of predetermined wavelength range; Preferably, the light of described predetermined wavelength range comprises infrared light, ultraviolet light.
The present invention proposes the application as light filter film or cover film in agricultural planting booth of a kind of novel optical polymer composite film, described novel optical polymer composite film is for adopting the novel optical polymer composite film made by above-mentioned method for making, or described novel optical polymer composite film is above-mentioned novel optical polymer composite film.
In the present invention, optically coated optical thin film design principle is incorporated in traditional film manufacturing process, thus propose a kind of novel optical polymer composite film and preparation method thereof.In a particular embodiment, make by covering optical thin film at substrate surface; Substrate adopts polymeric material to make, optical thin film is formed by stacking by M unit membrane, wherein M > 2, the optical film that each unit membrane adopts polymeric material to make by N layer is formed by stacking, wherein N=2 or N=3, every layer of optical film has predetermined thickness, and the two-layer optical film of arbitrary neighborhood has different refractive indexes; In manufacturing process, M × N layer optical film is overlayed substrate surface and compacting form, or, utilize Multi-layer blown film mode to make M × N layer optical thin film and cover and make at matrix surface.Wherein, substrate is polymethylmethacrylasheet sheet material or polyethylene film, and the optical film with different refractivity can by having the polythene material of different densities and/or being made up of the polythene material with different doping.
In actual application, designed by the thickness of every layer of optical film in the quantity of unit mould in optical thin film and unit mould, refractive index and rete distribution, what achieve optical characteristics is adjustable, meets the different optical characteristic requirements of optical thin film.
In the present invention, the technique of novel optical polymer composite film is simple, can realize large-scale production by the industrialization by means of polymkeric substance, cheap, and it has application scenarios widely and range of application.Such as, novel optical polymer composite film is applied in field of agricultural cultivation, can efficiency utilization sun power to a greater extent, promote the growing environment of crops, heat insulation moisturizing, save water resource, for arid or the agricultural production of desert area, environmental improvement provide better solution route.
Accompanying drawing explanation
Fig. 1 is structural representation and the optical principle schematic diagram of optical thin film in prior art.
Fig. 2 is the structural representation of a kind of novel optical polymer composite film proposed in the present invention.
Fig. 3 is the design sketch that light passes through guide-lighting template.
Fig. 4 is the design sketch of light by astigmatism template.
Fig. 5 is the structural representation suppressing optical thin film in the present invention in substrate.
Embodiment
In the present invention, optically coated optical thin film design principle is incorporated in traditional film manufacturing process, thus propose a kind of novel optical polymer composite film and preparation method thereof.
As shown in Figure 2, in a kind of novel optical polymer composite film that the embodiment of the present invention proposes and preparation method thereof, make by covering optical thin film at substrate surface; Wherein, substrate is made up of polymeric material, optical thin film is formed by stacking by M unit membrane, wherein M > 2, the optical film that each unit membrane adopts polymeric material to make by N layer is formed by stacking, wherein N=2 or N=3, every layer of optical film has predetermined thickness, and the two-layer optical film of arbitrary neighborhood has different refractive indexes.
In a particular embodiment, cover optical thin film at substrate surface, in optical thin film, M unit membrane arranges and has identical physical arrangement and optical characteristics; Particularly, in M unit membrane, the number of plies N of optical film, the thickness of every layer of optical film, refractive index are all identical with physical arrangements such as rete distributions, thus make M unit membrane have identical optical characteristics.Adopt above-mentioned arrangement, in M × N layer optical film of optical thin film, any one deck optical film periodically will repeat superposition.
In the manufacturing process of film, optical thin film covers substrate surface by compacting or the mode that covers and obtains, particularly, multilayer optical film-stack is placed on substrate surface in pressing process and compacting forms, utilizes Multi-layer blown film mode to make multilayer optical film and cover to make at matrix surface covering in process.
In the first specific embodiment, substrate adopts polymethylmethacrylasheet sheet material, and also known as acryl plates, it is the optical grade sheet material of hard, it has good transmittance (transmittance is greater than 92%), and has very large physical strength and shock resistance.
As shown in Figure 3, the shady face of acryl plates guide-lighting template can be made, as shown in Figure 4, the shady face of acryl plates astigmatism template can be made.The shady face of acryl plates is made guide-lighting template, the distribution of the light be radiated on crops can be increased when the incident angle of light is larger; The shady face of acryl plates is made astigmatism template, and can make each point radiation direction stochastic distribution on transparent surface, the distribution of luminous energy on ground level is more even; When the sunshine of parallel incidence and the angle of ground normal larger time, also make more ray cast on the crops on ground.
Wherein, the technical process making novel optical polymer composite film at the surface of acryl plates compacting optical thin film comprises: S1, acryl plates is made predetermined shape (such as parabolic shape) and thickness, and adopts mould that the shady face of acryl plates is made guide-lighting template or astigmatism template; S2, optical characteristics designing requirement according to optical thin film, multilayer optical rete is overlayed from level to level the surface of acrylic board, the thickness of optical film to hundred micron dimensions, applies lubricant on the outermost optical film surface away from acryl plates at ten microns; S3, acryl plates in S2 and stacked multilayer optical rete be placed in environment of heating multilayer optical rete is softened; S4, adopt rolling device to carry out suppressing to predetermined thickness to optical film, in pressing process, control the dynamics of compacting and speed well is evenly distributed to make multiple blooming, as shown in Figure 5, obtains described novel optical polymer composite film.
Wherein, cover the technical process that optical thin film makes novel optical polymer composite film to comprise on the surface of acryl plates: S1, acryl plates is made predetermined shape (such as parabolic shape) and thickness, and adopt mould that the shady face of acryl plates is made guide-lighting template or astigmatism template; S2, optical characteristics designing requirement according to optical thin film, utilize the blowing of Multi-layer blown film mode to obtain multilayer optical rete; S3, at a predetermined temperature, apply the adhesive of one deck molten condition on the surface at acryl plates, then S2 blowing multilayer optical rete is out covered the surface at acryl plates, obtain described novel optical polymer composite film.
In the second specific embodiment, substrate adopts polyethylene film, and its quality is pliable and tough, is convenient to storage, the common used material of the plastic house film of existing field of agricultural cultivation; Suppress on the surface of polyethylene film or cover optical thin film and make novel optical polymer composite film, the technical process basic simlarity that optical thin film makes novel optical polymer composite film is suppressed on its manufacturing process and the above-mentioned surface at Ya Like sheet material.
In a particular embodiment, base material is not limited to acryl plates and polyethylene film, can also select other more economically high-quality, be convenient to promote material.
In actual application, in the manufacturing process of optical thin film, can according to the optical characteristics of optical thin film, the thickness of every layer of optical film in the quantity M of unit mould in optical thin film and unit mould, refractive index and rete distribution are designed, what achieve optical characteristics is adjustable, meets the different optical characteristic requirements of optical thin film; Wherein, the optical characteristics of optical thin film comprises transmissison characteristic and reflection characteristic, and light transmission characteristics comprises transmittance spectrum and printing opacity light intensity, and reflection characteristic comprises reflectance spectrum and transmittance spectrum.
When specific design, the quantity M of unit mould can select to be greater than 2, such as, M can be selected to be greater than 10 according to the needs of optical characteristics, and, comprise 2 layers or 3 layers of optical film are formed by stacking at each unit membrane; In the N layer optical film of unit membrane, as N=2, the refractive index of two-layer optical film is different, as N=3, ground floor optical film is different with the refractive index of second layer optical film, second layer optical film is different with the refractive index of third layer optical film, and ground floor is different with the refractive index of third layer optical film, also can design ground floor identical with the refractive index of third layer optical film according to the requirement of optical characteristics.
Optical thin film is formed by stacking by M unit membrane, and in the N layer optical film of each unit membrane, the two-layer optical film of arbitrary neighborhood has different refractive indexes; Density based on polymkeric substance is different or carry out the change that different doping all can affect its refractive index; Therefore, the optical film with different refractivity can adopt the polythene material of different densities to make, and/or the optical film with different refractivity also can adopt the polythene material of different doping to make; Certainly, optical film can also adopt other polymeric materials to be prepared from, as long as there is refringence between the two-layer optical film of arbitrary neighborhood just can realize technical scheme of the present invention.
In specific design process, in unit membrane, N layer optical film can adopt multiple combination form.
Such as, as N=2, two-layer optical film adopts two kinds of polythene materials with different densities to make, or, two-layer optical film adopts two kinds of polythene materials with different doping to make, or wherein one deck of two-layer optical film does not adulterate in polythene material and another layer has carried out adulterating and both refractive indexes are different at polythene material.
Such as, as N=3, three layers of optical film adopt three kinds of polythene materials with different densities to make, or, three layers of optical film adopt three kinds of polythene materials with different doping to make, or, wherein two-layer employing two kinds of polythene materials with different densities of three layers of optical film are made, and another layer adopts and carries out doping make in polythene material, or, the wherein two-layer employing two kinds of three layers of optical film has the different polythene material adulterated and makes, and another layer adulterates in polythene material.
The novel optical polymer composite film that the present invention proposes, its technique is simple, can realize large-scale production by the industrialization by means of polymkeric substance, cheap, has application scenarios widely and range of application.
Such as, novel optical polymer composite film of the present invention and preparation method thereof can be applied in field of agricultural cultivation.
First aspect, is used in the application as light filter film in field of agricultural cultivation using novel optical polymer composite film of the present invention.Can suppress on acryl plates or cover optical thin film and make filtering apparatus, by the design of the rete distribution of the number of plies of optical film, the thickness of every layer of optical film and refractive index and multilayer optical rete, this filtering apparatus can reflect the light (such as green glow) of other wavelength through the light of predetermined wavelength range (such as ruddiness, blue light), thus more efficiency utilization sun power, not only make sunshine provide to greatest extent and meet the useful energy of crop growth, and by blocking predetermined light to improve the growing environment of crops.Further, acryl plates can be made parabolic shape, the light of reflection is assembled at paraboloidal focal plane place and be can be used for generating, luminous energy for generating electricity only have lost the red blue light of a part less in sunshine, like this, while guarantee crop growth, remaining light can be converted into electric energy.
Second aspect, is used in the application as cover film in field of agricultural cultivation using novel optical polymer composite film of the present invention.Suppress or cover optical thin film at the bottom of polyvinyl and make planting greenhouse coverlay, by the number of plies of optical film, the design of the rete distribution of the thickness of every layer of optical film and refractive index and multilayer optical rete, optical thin film can pass through the visible ray of visible wavelength range, thus the sunshine do not affected required for crop growth, and the light of predetermined wavelength range can be reflected, wherein the light of predetermined wavelength range comprises infrared light and ultraviolet light, the environment temperature in coverlay can be reduced by blocking-up infrared light, decrease the evaporation of moisture in summer, heat insulation moisturizing, save water resource, its destruction to crop plant cells can be reduced by blocking ultraviolet light, promote the growing environment of crops.Novel optical polymer composite film is used in field of agricultural cultivation can substitute traditional planting greenhouse coverlay as cover film; Further, described planting greenhouse coverlay can to arid area, desert region promotes, this to improving arid or the agricultural production of desert region, environmental improvement provides better solution route, it will play very useful effect.
The above; be only the present invention's preferably embodiment; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; be equal to according to technical scheme of the present invention and inventive concept thereof and replace or change, all should be encompassed within protection scope of the present invention.
Claims (10)
1. a method for making for novel optical polymer composite film, is characterized in that, described method for making is included in substrate surface and covers optical thin film; Substrate adopts polymeric material to make; Optical thin film is formed by stacking by M unit membrane, wherein M > 2, the optical film that each unit membrane adopts polymeric material to make by N layer is formed by stacking, wherein N=2 or N=3, every layer of optical film has predetermined thickness, and the two-layer optical film of arbitrary neighborhood has different refractive indexes.
2. the method for making of novel optical polymer composite film according to claim 1, is characterized in that, describedly covers optical thin film at substrate surface and is specially and optical thin film is compressed on substrate surface makes; Preferably, M × N layer optical film is overlayed substrate surface according to predefined procedure, then be placed in environment of heating and optical film is softened, and adopt rolling device to carry out compacting to optical film to form, in pressing process, control the uniform film thickness of every layer of optical film;
Or, describedly cover optical thin film at substrate surface and be specially optical thin film to cover and make at substrate surface; Preferably, utilize the blowing of Multi-layer blown film mode to obtain M × N layer optical film, and M × N layer optical film is covered make at substrate surface.
3. the method for making of novel optical polymer composite film according to claim 1 and 2, it is characterized in that, in unit membrane, the optical film with different refractivity is made up of the polymeric material with different densities, and/or the optical film with different refractivity is made up of the polymeric material with different doping;
Preferably, in unit membrane, the optical film with different refractivity is made up of the polythene material with different densities, and/or the optical film with different refractivity is made up of the polythene material with different doping.
4. the method for making of the novel optical polymer composite film according to any one of claim 1-3, is characterized in that, substrate is polymethylmethacrylasheet sheet material; Preferably, the shady face of polymethylmethacrylasheet sheet material is made guide-lighting template or astigmatism template; Preferably, the shape of polymethylmethacrylasheet sheet material is parabolic shape; Or substrate is polyethylene film.
5. the method for making of the novel optical polymer composite film according to any one of claim 1-4, it is characterized in that, according to the thickness of every layer of optical film in the quantity of unit mould in the optical characteristics of optical thin film design optical thin film and unit mould, refractive index and rete distribution; Preferably, the optical characteristics of optical thin film comprises transmissison characteristic and reflection characteristic; Preferably, light transmission characteristics comprises transmittance spectrum and printing opacity light intensity; Preferably, reflection characteristic comprises reflectance spectrum and reflective light intensity.
6. the method for making of the novel optical polymer composite film according to any one of claim 1-5, is characterized in that, M unit membrane has identical physical arrangement and optical characteristics.
7. a novel optical polymer composite film, is characterized in that, comprising: substrate and optical thin film; Substrate is made up of polymeric material; Optical thin film covers substrate surface; Optical thin film is formed by stacking by M unit membrane, wherein M > 2, the optical film that each unit membrane adopts polymeric material to make by N layer is formed by stacking, wherein N=2 or N=3, every layer of optical film has predetermined thickness, and the two-layer optical film of arbitrary neighborhood has different refractive indexes.
8. novel optical polymer composite film according to claim 7, is characterized in that, substrate is polymethylmethacrylasheet sheet material; Preferably, the shady face of polymethylmethacrylasheet sheet material is made guide-lighting template or astigmatism template; Preferably, the shape of polymethylmethacrylasheet sheet material is parabolic shape; Or substrate is polyethylene film;
Preferably, in unit membrane, the optical film with different refractivity is made up of the polymeric material with different densities, and/or the optical film with different refractivity is made up of the polymeric material with different doping; Preferably, in unit membrane, the optical film with different refractivity is made up of the polythene material with different densities, and/or the optical film with different refractivity is made up of the polythene material with different doping;
Preferably, M unit membrane has identical physical arrangement and optical characteristics.
9. novel optical polymer composite film according to claim 7, is characterized in that, according to the thickness of every layer of optical film in the quantity of unit mould in the optical characteristics of optical thin film design optical thin film and unit mould, refractive index and rete distribution; Preferably, the optical characteristics of optical thin film comprises transmissison characteristic and reflection characteristic; Preferably, light transmission characteristics comprises transmittance spectrum and printing opacity light intensity; Preferably, reflection characteristic comprises reflectance spectrum and reflective light intensity;
Preferably, optical thin film can pass through the light of predetermined wavelength range and reflects the light of all the other wavelength coverages; Preferably, the light of described predetermined wavelength range comprises ruddiness, blue light;
Preferably, optical thin film light-permeable visible wavelength range visible ray and reflect the light of predetermined wavelength range; Preferably, the light of described predetermined wavelength range comprises infrared light, ultraviolet light.
10. a novel optical polymer composite film in field of agricultural cultivation as the application of light filter film or cover film, described novel optical polymer composite film is for adopting the novel optical polymer composite film made by the method for making described in claim 1-6, or described novel optical polymer composite film is the novel optical polymer composite film described in claim 7-9.
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| CN104831363A (en) * | 2015-04-24 | 2015-08-12 | 中国科学技术大学先进技术研究院 | Three-dimensional photonic crystals based on polymer thin film layer |
| CN104836116A (en) * | 2015-04-09 | 2015-08-12 | 中国科学技术大学先进技术研究院 | Fundamental transverse mode microcolumn laser based on polymer |
| CN108363132A (en) * | 2018-04-04 | 2018-08-03 | 阜阳昂科丰光电科技有限公司 | A kind of optical spectroscopic film and preparation method thereof for taking into account crops illumination and photovoltaic generation |
| CN109312453A (en) * | 2016-06-07 | 2019-02-05 | 日东电工株式会社 | The manufacturing method of optical film |
| CN114474914A (en) * | 2020-10-26 | 2022-05-13 | 南亚塑胶工业股份有限公司 | Polymer film having laminated structure |
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