CN107936389A - A kind of composite membrane and preparation method thereof - Google Patents

A kind of composite membrane and preparation method thereof Download PDF

Info

Publication number
CN107936389A
CN107936389A CN201711105551.4A CN201711105551A CN107936389A CN 107936389 A CN107936389 A CN 107936389A CN 201711105551 A CN201711105551 A CN 201711105551A CN 107936389 A CN107936389 A CN 107936389A
Authority
CN
China
Prior art keywords
band
radiator
composite membrane
base film
transparent base
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201711105551.4A
Other languages
Chinese (zh)
Inventor
刘岩
魏彦存
孟垂舟
杨圆明
姜恒
马欣欣
王汉清
韩磊
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ENN Science and Technology Development Co Ltd
Original Assignee
ENN Science and Technology Development Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ENN Science and Technology Development Co Ltd filed Critical ENN Science and Technology Development Co Ltd
Priority to CN201711105551.4A priority Critical patent/CN107936389A/en
Publication of CN107936389A publication Critical patent/CN107936389A/en
Pending legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/18—Manufacture of films or sheets
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
    • C23C14/06—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
    • C23C14/14—Metallic material, boron or silicon
    • C23C14/20—Metallic material, boron or silicon on organic substrates
    • C23C14/205—Metallic material, boron or silicon on organic substrates by cathodic sputtering
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
    • C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
    • C23C14/34—Sputtering
    • C23C14/35—Sputtering by application of a magnetic field, e.g. magnetron sputtering
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
    • C08J2323/18—Homopolymers or copolymers of hydrocarbons having four or more carbon atoms
    • C08J2323/20—Homopolymers or copolymers of hydrocarbons having four or more carbon atoms having four to nine carbon atoms
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2333/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers
    • C08J2333/04—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers esters
    • C08J2333/06—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers esters of esters containing only carbon, hydrogen, and oxygen, the oxygen atom being present only as part of the carboxyl radical
    • C08J2333/10—Homopolymers or copolymers of methacrylic acid esters
    • C08J2333/12—Homopolymers or copolymers of methyl methacrylate
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2427/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers
    • C08J2427/02—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment
    • C08J2427/04—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
    • C08J2427/06—Homopolymers or copolymers of vinyl chloride
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2427/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers
    • C08J2427/02—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment
    • C08J2427/12—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
    • C08J2427/16—Homopolymers or copolymers of vinylidene fluoride
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00—Specific properties of additives
    • C08K2201/002—Physical properties
    • C08K2201/003—Additives being defined by their diameter
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00—Specific properties of additives
    • C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/34—Silicon-containing compounds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/34—Silicon-containing compounds
    • C08K3/36—Silica
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K9/00—Use of pretreated ingredients
    • C08K9/04—Ingredients treated with organic substances
    • C08K9/06—Ingredients treated with organic substances with silicon-containing compounds

Abstract

The present invention relates to radiation refrigeration technical field, more particularly to a kind of composite membrane and its preparation method and application.The compound membrane preparation method is simple, and material selection is extensive, of low cost, and the composite membrane obtained also has preferable pliability while possessing preferable refrigeration effect, suitable for plurality of application scenes, has more wide application range.The embodiment of the present invention provides a kind of composite membrane, including：Transparent base film, and the radiator being scattered in the transparent base film；The radiator includes first band radiator and second band radiator, the infrared emission peak of the first band radiator is located at or is covered in the wavelength band of 8 10um, the infrared emission peak of the second band radiator is located at or is covered in the wavelength band of 10 13um, and first band radiator and second band radiator are all higher than being equal to 90% in the average emitted rate of infra red radiation band, are respectively less than in the average absorption ratio of remaining wave band and are equal to 10%.The embodiment of the present invention is used for the preparation of refrigerating material.

Description

A kind of composite membrane and preparation method thereof
Technical field
The present invention relates to radiation refrigeration technical field, more particularly to a kind of composite membrane and preparation method thereof.
Background technology
Electromagnetic wave is known as atmospheric electricity by the high wave band of less those transmissivities that are reflected, absorbed and scattered of atmosphere Mouthful.Such as：0.3-2.5 microns, 3.2-4.8 microns and 8-13 microns wave band etc., wherein, most of object in earth's surface is in 8- 13 microns of wave band has good emissivity, self heat can be passed through air in the form of 8-13 microns of electromagnetic wave Window is discharged into temperature close to the exterior space of absolute zero, achievees the purpose that itself is cooled down.External energy is not required in this technology The input of amount, it is environmentally safe, there is positive effect to improving Indoor environment thermal environment and environmental protection.
However, although most of object has good emissivity in 8-13 microns of wave band, to remaining wave band (such as visible light wave range) can not realize higher reflectivity, and the absorption of these heats has covered the effect of radiation refrigeration, can not Realize cooling.In order to solve the problems, such as this, people have attempted the research and development of a variety of composite materials, at present, mainly with following The research and development of three kinds of forms is in the majority, the first is to be covered in 8-13 micron wavelength ranges to have on the surface of metal material The composite material that the material of high emissivity is formed, such as applying silicon oxide, calcirm-fluoride etc. on press polished aluminium sheet；Second Kind be covered on the surface with high emission material it is transparent in an atmosphere window wave band and in remaining wave band (such as visible light wave range Deng) there is the composite material that is formed of coating of high emissivity, such as sink in polyethylene terephthalate (PET) frosting Product zinc sulphide etc.；Research is found：The refrigeration effect of both composite materials is difficult to meet actual demand, meanwhile, both are compound Material is prepared so that the brittleness of the composite material obtained is larger by the way of surface deposits, and is unfavorable for practical application；The Three kinds be one kind in atmospheric window with high emissivity and in remaining light of region (such as visible region) with high reflectance Sub- crystalline material, although this material has preferable refrigeration effect, its is expensive, and photoetching technique is complicated, does not apply to In industrialized production and application.
The content of the invention
The embodiment of the present invention provides a kind of composite membrane and preparation method thereof, and the compound membrane preparation method is simple, material choosing Select extensively, of low cost, the composite membrane obtained also has preferable pliability while possessing preferable refrigeration effect, fits For plurality of application scenes, there is more wide application range.
To reach above-mentioned purpose, the embodiment of the present invention adopts the following technical scheme that：
On the one hand, the embodiment of the present invention provides a kind of composite membrane, including：
Transparent base film, and the radiator being scattered in the transparent base film；
The radiator includes first band radiator and second band radiator, the first band radiator it is infrared Emission peak is located at or is covered in the range of the first band of infra red radiation band, the infrared emission peak of the second band radiator It is located at or is covered in the range of the second band of infra red radiation band, wherein, the first band scope refers to the ripple of 8-10um Segment limit, the second band scope refer to the wavelength band of 10-13um；And the first band radiator and second ripple Section radiator is all higher than equal to 90% in the average emitted rate of the infra red radiation band, equal in the average absorption ratio of remaining wave band Less than or equal to 10%.
Optionally, the volume ratio of the first band radiator and the second band radiator is 1:3-1:1.
Optionally, the first band radiator and the second band radiator are selected from inorganic filler or polymeric material Material.
Optionally, the first band radiator and the second band radiator are not simultaneously selected from polymeric material.
Optionally, the volume ratio of the radiator and the transparent base film is 2:100-15:100.
Optionally, absorptivity of the transparent base film in full band range is less than or equal to 10%.
Optionally, the composite membrane further includes：It is covered in the visible light reflecting layer of one side surface of transparent base film.
Optionally, the visible light reflecting layer is the silvering or aluminium coat that thickness is 120nm-200nm.
Optionally, the thickness of the composite membrane is 20-100 microns.
On the other hand, the embodiment of the present invention provides a kind of preparation method of composite membrane as described above, including：
Radiator is scattered in the solution of transparent matrix material, and carries out forming processes, acquisition is dispersed with radiator Transparent base film；
The radiator includes first band radiator and second band radiator, the first band radiator it is infrared Emission peak is located at or is covered in the range of the first band of infra red radiation band, the infrared emission peak of the second band radiator It is located at or is covered in the range of the second band of infra red radiation band, wherein, the first band scope refers to the ripple of 8-10um Segment limit, the second band scope refer to the wavelength band of 10-13um；And the first band radiator and second ripple Section radiator is all higher than equal to 90% in the average emitted rate of the infra red radiation band, equal in the average absorption ratio of remaining wave band Less than or equal to 10%.
Optionally, the method further includes：Can in the side surface recombination of the transparent base film for being dispersed with radiator See reflection layer.
Optionally, when at least one of first band radiator and second band radiator radiator are selected from inorganic filler When, before the radiator is scattered in the solution of the transparent matrix material, the method further includes：
Surface modification treatment is carried out to the radiator selected from inorganic filler using coupling agent.
Another further aspect, the embodiment of the present invention provide a kind of composite membrane as described above as refrigerating material photovoltaic generation, Application in both culturing microalgae, cold chain transportation and building cooling.
The embodiment of the present invention provides a kind of composite membrane and preparation method thereof, by transparent base film diverging irradiation body obtain Composite membrane, on the one hand, the material selection range of transparent base film is extensive, and cost is relatively low, and preparation method is simple, and with existing skill The material fragility that is obtained in art by the way of the seal coat of surface is larger to be compared, and the composite membrane obtained has good soft Toughness, suitable for plurality of application scenes, has more wide application range.On the other hand, radiated by using first band Body and the mode of second band radiator combination, can be radiated to temperature to the full extent by the heat in the range of different-waveband and connect The exterior space of nearly absolute zero, and by being defined to the absorptivity of remaining wave band, and object can be reduced to remaining The absorption of the energy of wave band, can reach good refrigeration effect.
Brief description of the drawings
Fig. 1 is a kind of structure diagram of composite membrane provided in an embodiment of the present invention；
Fig. 2 is a kind of exterior appearance figure of composite membrane provided in an embodiment of the present invention under an optical microscope.
Embodiment
A kind of composite membrane provided in an embodiment of the present invention and preparation method thereof is described in detail below in conjunction with the accompanying drawings.
On the one hand, the embodiment of the present invention provides a kind of composite membrane, referring to Fig. 1, including：
Transparent base film 1, and the radiator 2 being scattered in the transparent base film 1；
The radiator 2 includes first band radiator and second band radiator；The first band radiator it is red External emission peak is located at or is covered in the range of the first band of infra red radiation band, the infrared emission of the second band radiator Peak is located at or is covered in the range of the second band of infra red radiation band, wherein, the first band scope refers to 8-10um's Wavelength band, the second band scope refer to the wavelength band of 10-13um；And the first band radiator and described second Wave band radiator is all higher than being equal to 90% in the average emitted rate of the infra red radiation band, in the average absorption ratio of remaining wave band Respectively less than it is equal to 10%.
Wherein, infra red radiation band refers to the wave band in 8-13 micron wavelength ranges.Remaining wave band refers to remove in electromagnetic wave Wave band beyond infra red radiation band, generally, electromagnetic wave (also known as electromagnetic radiation) is by in-phase oscillation and accommodates mutually Electric field is moved in the form of ripple in space with magnetic field, the plane that its direction of propagation is formed perpendicular to electric field and magnetic field, effectively Transmit energy and momentum.Electromagnetic radiation can be according to frequency categorization, from low frequency to high-frequency, mainly including radio wave, micro- Ripple, infrared ray, visible ray, ultraviolet light, X-ray and gamma ray etc..The electromagnetic radiation that human eye can receive, wavelength about exist Between 380 to 780 nanometers, it is known as visible ray.Wherein, in addition to infra red radiation band (i.e. the wave-length coverage of infrared ray), its Repercussions section includes：Wave-length coverage is 3000 meters -0.3 millimeter of radio waveband, and wave-length coverage is 0.1-100 centimetres of microwave Wave band, wave-length coverage are 0.7 micron -0.4 micron of visible light wave range, and wave-length coverage is 0.4 micron -10 nanometers of ultraviolet ripple Section, x-ray wave band and wave-length coverage that wave-length coverage is 10 nanometers -0.1 nanometer are the gamma-rays wave band of 0.1 nanometer of -1 micromicron Deng.
Under normal conditions, the all-wave of infra red radiation band can not possibly be completely covered in the infrared emission peak of a certain radiator Segment limit, is often all only located at or is covered in a certain wavelength band of the infra red radiation band, and therefore, the present invention is implemented Example is located at or is covered in the first band radiator and second band spoke of different infra red radiation bands by using infrared emission peak The composition of beam, can widen the radiation scope of infra red radiation band, and due to first band radiator and second band Radiator is more than or equal to 90% in the average emitted rate of infra red radiation band, and therefore, which can be by the heat of object most Temperature is radiated to close to the exterior space of absolute zero in big degree, so as to improve refrigeration effect.
The embodiment of the present invention provides a kind of composite membrane, by transparent base film 1 diverging irradiation body 2 obtain composite membrane, On the one hand, the material selection range of transparent base film 1 is extensive, and cost is relatively low, and preparation method is simple, and with using in the prior art Material fragility that the mode of surface seal coat is obtained is larger to be compared, and the composite membrane obtained has good pliability, is fitted For plurality of application scenes, there is more wide application range.On the other hand, by using first band radiator and second Heat in the range of different-waveband, can be radiated to temperature to the full extent close to absolute zero by the mode of wave band radiator combination The exterior space of degree, and by being defined to the absorptivity of remaining wave band, and energy of the object to remaining wave band can be reduced The absorption of amount, can reach good refrigeration effect.
Wherein, first band radiator does not imply that a certain radiator, and refers to infrared emission peak and be located at or cover The summation of all radiators of one wavelength band, likewise, second band radiator does not imply that a certain radiator yet, but Refer to the summation that infrared emission peak is located at or covers all radiators of second band scope, be according to different wavelength bands here (first band scope and second band scope) is defined, not to first band radiator and second band radiator Concrete composition is defined.
Therefore, the first band radiator and the second band radiator can be respectively a kind of radiator either The composition of several radiators.
In one embodiment of the invention, the first band radiator and the second band radiator are selected from inorganic fill out Material, polymeric material or the mixing material of inorganic filler and polymeric material.
Exemplary, the first band radiator is selected from SiO, PVC, SiC and particle diameter is less than the SiO of 5um2In one kind Or two or more compositions；
The SiO that the second band radiator is selected from PVDF and particle diameter is 5-8um2One or both of composition.
In a preferred embodiment of the present invention, the first band radiator selects when different with the second band radiator Autohemagglutination compound material.This is because：The existence form of the radiator of polymeric material is different from inorganic matter, and inorganic matter can directly divide Dissipate in transparent base film 1, and the radiator of polymeric material can be scattered in transparent base film 1 by miscible form, Therefore, when first band radiator and second band radiator use the radiator of polymeric material, between each other easily Produce and cover and influence radiation effect, and radiation effect is most by way of the radiator of polymeric material and inorganic matter are mixed It is good.
Exemplary, when the first band radiator is selected from PVC, the second band radiator is 5- selected from particle diameter The SiO of 8um2；And when the second band radiator is PVDF, the first band radiator is selected from SiO, SiC and particle diameter SiO less than 5um2One or both of combination of the above thing.
In another embodiment of the present invention, the volume ratio of the first band radiator and the second band radiator is 1:3-1:1.The refrigeration effect of radiator can be improved to the full extent with the mixing of this ratio by being found through experiments that.
In one more embodiment of the present invention, the volume ratio of the radiator 2 and the transparent base film 1 is 2:100-15: 100。
Under normal conditions, transparent base film 1 is organic material, and when the radiator 2 is inorganic filler, or it is inorganic When filler is in the majority, when radiator 2 is scattered in organic material, the volume of radiator 2 is bigger, is more unfavorable for the transparent of later stage The shaping of base film 1, the film defect obtained is more, therefore, by the volume ratio of the radiator 2 and the transparent base film 1 Control in the above range, is conducive to radiator 2 and is uniformly dispersed in transparent base film 1, and is conducive to post-production shaping.
Wherein, the transparent base film 1 can be transparent plastic film, such as with polyvinyl chloride, polyethylene, polypropylene, poly- Film etc. made of styrene and other resins.
In one embodiment of the invention, absorptivity of the transparent base film 1 in full band range is less than 10%.All-wave Segment limit refers to all wavelength bands of electromagnetic wave.It is less than 10% transparent base by using the absorptivity in full band range Body film, can further reduce absorption of the object to the energy of remaining wave band, improve refrigeration effect.Its measurement standard is in all-wave The light transmission rate of transparent base film is more than or equal to 90% in segment limit.
Exemplary, the material of the transparent base film 1 is selected from poly 4-methylpene-1 (TPX), poly-methyl methacrylate Mixture more than one or both of ester (PMMA) and polyethylene (PE).
Wherein, the light transmission rate highest of poly 4-methylpene-1 (TPX), therefore, the material of the transparent base film are preferred For poly 4-methylpene-1 (TPX).
In another embodiment of the present invention, the composite membrane, which further includes, is covered in 1 one side surface of transparent base film Visible light reflecting layer 3.So, additionally it is possible to the visible ray being irradiated on the composite membrane is reflected, is further reduced Composite membrane is to the absorptivity of visible ray, so as to further improve refrigeration effect.
Wherein, the specific material of the visible light reflecting layer 3 is not limited, as long as can reflective to visible ray progress be Can.
In a preferred embodiment of the present invention, the visible light reflecting layer 3 be the silvering that thickness is 120nm-200nm or Person's aluminium coat.Silvering and aluminium coat are high reflecting material, and reflecting effect is good.
In one embodiment of the invention, the thickness of the composite membrane is 20-100 microns.
On the other hand, the embodiment of the present invention provides a kind of preparation method of composite membrane as described above, including：
The radiator is scattered in the solution of transparent matrix material, and carries out forming processes, acquisition is dispersed with radiation The transparent base film of body；
The radiator includes first band radiator and second band radiator, the first band radiator it is infrared Emission peak is located at or is covered in the range of the first band of infra red radiation band, the infrared emission peak of the second band radiator It is located at or is covered in the range of the second band of infra red radiation band, wherein, the first band scope refers to the ripple of 8-10um Segment limit, the second band scope refer to the wavelength band of 10-13um；And the first band radiator and second ripple Section radiator is all higher than equal to 90% in the average emitted rate of the infra red radiation band, equal in the average absorption ratio of remaining wave band Less than or equal to 10%.
The embodiment of the present invention provides a kind of preparation method of composite membrane as described above, is scattered in transparent base by radiator In the solution of body material, and forming processes being carried out, the hyaline membrane for being dispersed with radiator can be obtained, the preparation method is simple, and It is of low cost since the material selection range of transparent base film is extensive, the transparent base material with excellent filming performance can be selected Material, compared with the material fragility obtained in the prior art by the way of the seal coat of surface is larger, made composite membrane With good pliability, suitable for plurality of application scenes, there is more wide application range, simultaneously as described first The infrared emission peak of wave band radiator and the second band radiator is located at or is covered in infra red radiation band respectively, and (8-13 is micro- Rice) different-waveband scope (be respectively 8-10 micron of first band scopes and 10-13 microns of second band scope) it is interior, and The first band radiator and the second band radiator are all higher than in the average emitted rate of the infra red radiation band In 90%, it is respectively less than in the average absorption ratio of remaining wave band and is equal to 10%, therefore, covered when using the composite membrane as refrigerating material Cover in the body surface for needing to freeze, the first band radiator and second band radiator can be by different-waveband scopes Interior heat is radiated to temperature close to the exterior space of absolute zero to the full extent, and can reduce object to remaining wave band Energy absorption, there is good refrigeration effect.
Wherein, the concrete operations that the radiator is scattered in the solution of transparent matrix material are not limited, can be with First the radiator is scattered in solvent and obtains dispersion liquid, then the transparent matrix material is dissolved in the dispersion liquid, First the transparent matrix material can also be dissolved in solvent and obtain solution, then the radiator is scattered in solution.
In order to accelerate rate of dispersion, dispersion effect is improved, the radiator can be scattered in transparent base under ultrasound In the solution of material.
Meanwhile in order to accelerate the dissolution velocity of transparent matrix material, solubility is improved, can be under heating stirring by described in Transparent matrix material is dissolved in the solvent.
Wherein, the concrete operations to the forming processes also do not limit.Pulling method, sintering process, irradiation method can be passed through Or the methods of phase inversion, forms a film.
Wherein, phase inversion refers to the homogeneous polymer solution by configuring definite composition, passes through certain physical method Change the thermodynamic state of solution, it is separated from homogeneous polymer solution, be finally changed into a three-dimensional and divide greatly The method of the gel structure of sub-network formula.
In immersion precipitation film-forming process in phase inversion, the phase in version of polymer (such as gelation, glass transition or Crystallization) structural form formed by liquid-liquid phase process can be effectively fixed, and ultimately form the polymer of different structure form Seperation film.The production method is simple and convenient, is conducive to film rapid shaping, and in specific operation process, casting solution is on supporter Casting film-forming is shaped, it is necessary to first pass through low temperature coagulation bath structure, then bathes removing solvent through elution, is conducive to keep the smooth of film, Reduce film to shrink, be finally heat-treated, can shape completely at 80-120 DEG C by high temperature relaxation again.
In one embodiment of the invention, when at least one of first band radiator and second band radiator radiator During selected from inorganic filler, before the radiator is scattered in the solution of the transparent matrix material, the method further includes：
Surface modification treatment is carried out to the radiator selected from inorganic filler using coupling agent.
, wherein it is desired to explanation, when at least one of the first band radiator and second band radiator spoke When beam is selected from inorganic filler, due to the preparation reason of inorganic filler, great amount of hydroxy group is contained on surface, and contact angle is typically smaller than 90 Degree, shows hydrophily, easily reunites when being mixed with transparent matrix material, be unfavorable for disperseing in the solution, coupling agent It is a kind of material with Liang Zhong heterogeneitys functional group, the maximum feature of its molecular structure is to contain chemical property not in molecule With two groups, one be close inorganic matter group, easily with mineral surfaces chemically reactive, the other is organophilic Group, chemical reaction can occur with synthetic resin or other polymer or generation hydrogen bond is dissolved in wherein.Therefore coupling agent is referred to as " Molecular bridge ", to improve the interface interaction between inorganic matter and organic matter, so that the performance of composite material is greatly improved, therefore, In embodiments of the present invention, by adding coupling agent, inorganic filler can be made to be dispersed in transparent matrix material, reduces nothing The sedimentation rate of machine filler in the solution.
In order to improve the dispersion effect of the inorganic filler in the solution, it is preferred that the solution of the transparent matrix material One or more of mixtures of the selected solvent in hexamethylene, trichloro ethylene and chloroform.
Wherein, the species of the coupling agent is not limited.In one embodiment of the invention, the coupling agent is even for silane Join agent, selected from gamma-aminopropyl-triethoxy-silane, γ-glycidyl ether oxygen propyl trimethoxy silicane and γ-(metering system Acyl-oxygen) any one in propyl trimethoxy silicane.
In another embodiment of the present invention, the method further includes：In the transparent base film for being dispersed with radiator Side surface recombination visible light reflecting layer., can be further to being irradiated on the composite membrane by composite visible light reflecting layer Visible ray reflected, can further reduce absorptivity of the composite membrane to visible ray, so as to further improve refrigeration Effect.
Wherein, to the specific of the side surface recombination visible light reflecting layer in the transparent base film for being dispersed with radiator Operation does not limit, and can use vacuum sputtering in the side electroplate of the transparent base film or aluminize to obtain silver Coating or aluminium coat.
Another further aspect, the embodiment of the present invention provide a kind of composite membrane as described above as refrigerating material photovoltaic generation, Application in both culturing microalgae, cold chain transportation and building cooling.
The embodiment of the present invention provides a kind of application of composite membrane, since the composite membrane has good pliability, and prepares Simple and convenient, raw material are cheap and easy to get, it can be achieved that industrial applications, lead when using the composite membrane as refrigerating material applied to more than During domain, there is good cooling refrigeration effect.
Hereinafter, the embodiment of the present invention will the present invention will be described by embodiment.These embodiments are merely to specific Illustrate the present invention and propose example, those skilled in the art it is appreciated that the scope of the present invention from these embodiments Limitation.
Embodiment 1
First band radiator is selected from the SiO 2 powder that particle diameter is 2 microns, the choosing of second band radiator in embodiment 1 From the SiO 2 powder that particle diameter is 7 microns, transparent matrix material is selected from TPX.
1st, casting solution is prepared：
By the SiO 2 powder that particle diameter is 2 microns and the SiO 2 powder that particle diameter is 7 microns using volume ratio as 1:2 points Dissipate in hexamethylene, ultrasound 30min forms uniform dispersion liquid at normal temperatures, and TPX is stirred 12h at 50-70 DEG C is dissolved in Casting solution is formed in the dispersion liquid.Wherein, the mass percentage of TPX is 15% in the casting solution, SiO 2 powder Mass percentage be 6%, the mass percentage of solvent hexamethylene is 79%, the volume ratio of SiO 2 powder and TPX For 15:100.
2nd, the transparent base film for being dispersed with radiator is prepared：
Obtained casting solution will be prepared by striking, cooling and shaping, solvent elution and be heat-treated 30min at 80-120 DEG C Transparent base film is obtained afterwards.
3rd, composite membrane is prepared：
Aluminized in the side surface for preparing obtained transparent base film by vacuum magnetic-control sputtering method, the thickness of aluminium coat Control is in 200nm.
Embodiment 2
First band radiator is selected from the silica microballon that particle diameter is 3 microns, the choosing of second band radiator in embodiment 2 From PVC, transparent matrix material TPX.
1st, inorganic filler silica microballon is surface-treated：
It is micro- with silica that particle diameter is 3 microns by silane coupling agent (KH570) alcoholysis 1h under acid or alkaline conditions Pearl adds the in the mixed solvent of cyclohexane chloroform, 4h is reacted at 70 DEG C, after suction filtration drying acquisition is surface-treated Inorganic filler.
2nd, casting solution is prepared：
Silica microballon after processing is scattered in the in the mixed solvent of cyclohexane chloroform, it is ultrasonic at normal temperatures 30min forms uniform dispersion liquid, at 50-70 DEG C PVC, TPX are stirred 12h is dissolved in the dispersion liquid and form casting film Liquid.Wherein, the mass percentage of TPX is 15% in the casting solution, and the mass percentage of silica microballon is 4%, The mass percentage of PVC is 2%, and the mass percentage of solvent hexamethylene is 79%, the totality of silica microballon and PVC Product and the volume ratio of TPX are 15:100.
3rd, the transparent base film for being dispersed with radiator is prepared：
This step and the step 2 in embodiment 1 are essentially identical.
4th, composite membrane is prepared：
This step and the step 3 in embodiment 1 are essentially identical.
Embodiment 3
First band radiator is selected from PVC in embodiment 3, and second band radiator is selected from PVDF, transparent matrix material choosing From PMMA.
1st, casting solution is prepared：
By PVC and PVDF using volume ratio as 1:3 are prepared by mixing into radiator, then to stir at 50-70 DEG C with PMMA 12h molten Solution forms in trichloro ethylene and stablizes casting solution.Wherein, in the casting solution PMMA mass percentage be 12%, two kinds The mass percentage of radiator is 4%, and the mass percentage of solvent is 84%, and the volume ratio of radiator and PMMA are 2: 100。
2nd, the transparent base film for being dispersed with radiator is prepared：
Obtained casting solution will be prepared by striking, cooling and shaping, solvent elution and be heat-treated 30min at 80-120 DEG C Transparent base film is obtained afterwards.
3rd, composite membrane is prepared：
, the thickness of silvering silver-plated by vacuum magnetic-control sputtering method in the side surface for preparing obtained transparent base film Control is in 120nm.
Embodiment 4
First band radiator is selected from SiO and SiC in embodiment 4, and second band radiator is selected from PVDF, transparent base material Material is selected from PMMA.
1st, inorganic filler is surface-treated：
By silane coupling agent (KH550) alcoholysis 1h under acid or alkaline conditions, together added with SiO, SiC hexamethylene and The in the mixed solvent of chloroform, reacts 4h at 70 DEG C, filters drying and obtains the microgranular radiator after being surface-treated.
2nd, casting solution is prepared：
Inorganic filler after processing is scattered in the in the mixed solvent of cyclohexane chloroform, it is ultrasonic at normal temperatures 30min forms uniform dispersion liquid, then adds PVDF and PMMA and forms stable casting solution.Wherein, PMMA in the casting solution Mass fraction be 15%, the mass fraction that the mass fraction of two kinds of radiators is 2%, PVDF is 1%, the mass fraction of solvent For 82%, the volume ratio of radiator and PMMA are 2:100.
3rd, the transparent base film for being dispersed with radiator is prepared：
This step and the step 2 in embodiment 3 are essentially identical.
4th, composite membrane is prepared：
This step and the step 3 in embodiment 3 are essentially identical.
Embodiment 5
First band radiator is selected from PVC in embodiment 5, and second band radiator is selected from the SiO that particle diameter is 8 microns2, thoroughly Bright basis material is selected from PMMA.
1st, casting solution is prepared：
By the SiO that particle diameter is 8um2It is scattered in as filler in chloroform, ultrasound 30min is formed uniformly at normal temperatures Dispersion liquid, at 50-70 DEG C stirs 12h by PVC, PE and is dissolved in the dispersion liquid and form casting solution.Wherein, the casting solution The mass percentage of middle PE is 10%, SiO2Mass percentage with PVC is 5%, and the mass percentage of solvent is 85%, SiO2It is 5 with the cumulative volume of PVC and the volume ratio of PE:100.
2nd, the transparent base film for being dispersed with radiator is prepared：
Obtained casting solution will be prepared by striking, cooling and shaping, solvent elution and be heat-treated 30min at 80-120 DEG C Transparent base film is obtained afterwards.
3rd, composite membrane is prepared：
, the thickness of silvering silver-plated by vacuum magnetic-control sputtering method in the side surface for preparing obtained transparent base film Control is in 150nm.
Embodiment 6
First band radiator is selected from SiO in embodiment 6, and second band radiator is selected from the titanium dioxide that particle diameter is 8 microns Silicon, transparent matrix material are selected from TPX.
1st, inorganic filler is surface-treated：
By silane coupling agent (KH560) alcoholysis 1h under acid or alkaline conditions, with SiO and titanium dioxide that particle diameter is 8um Silicon together adds the in the mixed solvent of hexamethylene and trichloro ethylene, wherein, SiO and particle diameter are the volume ratio of the silica of 8um For 1:1,4h is reacted at 70 DEG C, drying is filtered and obtains the inorganic filler after being surface-treated.
2nd, casting solution is prepared：
Inorganic filler after surface treatment is scattered in trichloro ethylene, ultrasound 30min is formed uniformly at normal temperatures Dispersion liquid, TPX at 50-70 DEG C stirred into 12h be dissolved in the dispersion liquid and form casting solution.Wherein, the casting solution The mass percentage of middle TPX is 10%, and the mass percentage of inorganic filler is 5%, and the mass percentage of solvent is 85%, the volume ratio of the inorganic filler and TPX are 5:100.
3rd, the transparent base film for being dispersed with radiator is prepared：
This step and the step 2 in embodiment 5 are essentially identical.
4th, composite membrane is prepared：
This step and the step 3 in embodiment 5 are essentially identical.
Embodiment 7
Embodiment 7 is substantially the same manner as Example 6, it is unique unlike the not composite visible light reflecting layer of embodiment 7.
Experimental example
1st, as shown in Fig. 2, the composite membrane obtained to embodiment 4 is observed under an optical microscope, it can be found that：It is inorganic to fill out Material radiator is dispersed in transparent base film.
2nd, the refrigeration performance of the embodiment 1-7 composite membranes obtained is tested, experiment number as shown in table 1 below can be obtained According to.
Table 1
It can be learnt by upper table 1：By being compared to film benign environment temperature, it can learn that the embodiment of the present invention provides Composite membrane be respectively provided with good refrigeration effect, also, due to there is no solar radiation at night in the case of, the radiation work(of material Therefore rate, is used as reference, to each from the influence of itself visible-light absorptivity and transmitance by using carbon black (Proximate blackbody) The film power of a embodiment is tested, and is found：The ir radiant power of composite membrane provided in an embodiment of the present invention is larger.And into One step, learnt by embodiment 7 in table 1 compared with embodiment 6：In the case where being not provided with visible light reflecting layer, due to daytime Visible light energy by composite membrane absorb and cause composite membrane temperature rise it is higher, mask partial radiation refrigeration effect, therefore, The refrigeration effect for being provided with the composite membrane of visible light reflecting layer is more excellent.By embodiment 3 it is known that different compared with embodiment 4 When the radiator selected from polymeric material refrigeration effect be substantially better than the radiator for being simultaneously selected from polymeric material, embodiment 2 Pass through surface modification treatment with the filler in 6, compared with the embodiment 1 and 5 for not carrying out surface modification treatment, what is obtained is compound The refrigeration effect of film is more excellent, ir radiant power higher, this also further illustrates the radiator after modification saturating Dispersiveness in bright base film is more preferable, can further improve refrigeration effect.
In conclusion pass through the diverging irradiation body acquisition composite membrane in transparent base film, on the one hand, the material of transparent base film Expect that range of choice is extensive, cost is relatively low, and preparation method is simple, and with being obtained in the prior art by the way of the seal coat of surface Material fragility it is larger compare, the composite membrane obtained has good pliability, suitable for plurality of application scenes, with more For wide application range.On the other hand, the mode combined by using first band radiator and second band radiator, energy It is enough that heat in the range of different-waveband is radiated to temperature close to the exterior space of absolute zero to the full extent, and by it The absorptivity of repercussions section is defined, and can reduce absorption of the object to the energy of remaining wave band, can be reached good Refrigeration effect.
The above description is merely a specific embodiment, but protection scope of the present invention is not limited thereto, any Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all be contained Cover within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.

Claims (13)

  1. A kind of 1. composite membrane, it is characterised in that including：
    Transparent base film, and the radiator being scattered in the transparent base film；
    The radiator includes first band radiator and second band radiator, the infrared emission of the first band radiator Peak is located at or is covered in the range of the first band of infra red radiation band, and the infrared emission peak of the second band radiator is located at Or be covered in the range of the second band of infra red radiation band, wherein, the first band scope refers to the wave band model of 8-10um Enclose, the second band scope refers to the wavelength band of 10-13um；And the first band radiator and the second band spoke Beam is all higher than being equal to 90% in the average emitted rate of the infra red radiation band, is respectively less than in the average absorption ratio of remaining wave band Equal to 10%.
  2. 2. composite membrane according to claim 1, it is characterised in that
    The volume ratio of the first band radiator and the second band radiator is 1:3-1:1.
  3. 3. composite membrane according to claim 1, it is characterised in that
    The first band radiator and the second band radiator be selected from inorganic filler, polymeric material or inorganic filler and The mixing material of polymeric material.
  4. 4. composite membrane according to claim 3, it is characterised in that
    The first band radiator and the second band radiator are not simultaneously selected from polymeric material.
  5. 5. composite membrane according to claim 1, it is characterised in that the volume ratio of the radiator and the transparent base film For 2:100-15:100.
  6. 6. composite membrane according to claim 1, it is characterised in that
    Absorptivity of the transparent base film in full band range is less than or equal to 10%.
  7. 7. composite membrane according to claim 1, it is characterised in that
    The composite membrane further includes：It is covered in the visible light reflecting layer of one side surface of transparent base film.
  8. 8. composite membrane according to claim 7, it is characterised in that
    The visible light reflecting layer is the silvering or aluminium coat that thickness is 120nm-200nm.
  9. 9. according to claim 1-8 any one of them composite membranes, it is characterised in that
    The thickness of the composite membrane is 20-100 microns.
  10. It is 10. a kind of such as the preparation method of claim 1-9 any one of them composite membranes, it is characterised in that including：
    Radiator is scattered in the solution of transparent matrix material, and carries out forming processes, acquisition is dispersed with the radiator Transparent base film；
    The radiator includes first band radiator and second band radiator, the infrared emission of the first band radiator Peak is located at or is covered in the range of the first band of infra red radiation band, and the infrared emission peak of the second band radiator is located at Or be covered in the range of the second band of infra red radiation band, wherein, the first band scope refers to the wave band model of 8-10um Enclose, the second band scope refers to the wavelength band of 10-13um；And the first band radiator and the second band spoke Beam is all higher than being equal to 90% in the average emitted rate of the infra red radiation band, is respectively less than in the average absorption ratio of remaining wave band Equal to 10%.
  11. 11. preparation method according to claim 10, it is characterised in that
    The method further includes：In the side surface recombination visible light reflecting layer of the transparent base film for being dispersed with radiator.
  12. 12. preparation method according to claim 10, it is characterised in that
    When at least one of first band radiator and second band radiator are selected from inorganic filler, by the radiator point Before dissipating in the solution of the transparent matrix material, the method further includes：
    Surface modification treatment is carried out to the radiator selected from inorganic filler using coupling agent.
  13. 13. such as claim 1-9 any one of them composite membrane as refrigerating material in photovoltaic generation, both culturing microalgae, cold chain fortune Application in defeated and building cooling.
CN201711105551.4A 2017-11-10 2017-11-10 A kind of composite membrane and preparation method thereof Pending CN107936389A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711105551.4A CN107936389A (en) 2017-11-10 2017-11-10 A kind of composite membrane and preparation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711105551.4A CN107936389A (en) 2017-11-10 2017-11-10 A kind of composite membrane and preparation method thereof

Publications (1)

Publication Number Publication Date
CN107936389A true CN107936389A (en) 2018-04-20

Family

ID=61934738

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201711105551.4A Pending CN107936389A (en) 2017-11-10 2017-11-10 A kind of composite membrane and preparation method thereof

Country Status (1)

Country Link
CN (1) CN107936389A (en)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108432507A (en) * 2018-06-11 2018-08-24 宁波瑞凌节能环保创新与产业研究院 A kind of Agricultural greenhouse film with radiation cooling function
CN108912572A (en) * 2018-08-21 2018-11-30 哈尔滨工业大学（威海） Radiation-induced cooling film with self-cleaning function and preparation method thereof
CN109135599A (en) * 2018-08-24 2019-01-04 宁波瑞凌辐射制冷科技有限公司 A kind of radiation refrigeration film of reflection-type
CN109161241A (en) * 2018-08-21 2019-01-08 哈尔滨工业大学（威海） A kind of radiative cooling coating and preparation method thereof with self-cleaning function
CN109968769A (en) * 2019-03-29 2019-07-05 中国科学院上海技术物理研究所 A kind of low-cost large-area Non-energy-consumption radiation refrigeration laminated film and preparation method
CN110117427A (en) * 2019-05-10 2019-08-13 西南交通建设集团股份有限公司 A kind of superradiance cooling coating structure and its manufacturing method
CN110372976A (en) * 2019-08-30 2019-10-25 哈尔滨工业大学 A kind of reflection-type radiation refrigeration material, film, preparation method and application
CN110452668A (en) * 2019-08-30 2019-11-15 哈尔滨工业大学 A kind of transmission-type radiation refrigeration material, film, preparation method and application
CN110744900A (en) * 2019-10-29 2020-02-04 厦门银蚁新能源科技有限公司 Radiation refrigeration film and preparation method and application thereof
CN112797666A (en) * 2021-02-04 2021-05-14 宁波瑞凌新能源科技有限公司 Radiation refrigeration film and product thereof
CN114801403A (en) * 2022-03-08 2022-07-29 深圳大学 Radiation refrigeration composite flexible membrane with structural color
CN115386273A (en) * 2022-09-01 2022-11-25 南京工业大学 Daytime radiation refrigeration coating

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1975385A (en) * 2006-12-25 2007-06-06 同济大学 Method for screening radiative cooling materials by infrared spectrum
CN101910257A (en) * 2007-12-14 2010-12-08 罗狄亚聚酰胺特殊品有限公司 Polymeric composition, method for the manufacture of the polymeric composition, articles based on this polymeric composition and use of these articles
CN103776196A (en) * 2014-02-25 2014-05-07 中国科学技术大学 Device with integrated application of solar heat collection and radiation refrigeration
CN105957912A (en) * 2016-07-01 2016-09-21 中国科学技术大学 Multifunctional spectrum selective encapsulation material
WO2017151514A1 (en) * 2016-02-29 2017-09-08 The Regents Of The University Of Colorado, A Body Corporate Radiative cooling structures and systems
CN107160773A (en) * 2017-05-11 2017-09-15 上海洁晟环保科技有限公司 A kind of composite membrane with infra-red radiation heat sinking function and its production and use

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1975385A (en) * 2006-12-25 2007-06-06 同济大学 Method for screening radiative cooling materials by infrared spectrum
CN101910257A (en) * 2007-12-14 2010-12-08 罗狄亚聚酰胺特殊品有限公司 Polymeric composition, method for the manufacture of the polymeric composition, articles based on this polymeric composition and use of these articles
CN103776196A (en) * 2014-02-25 2014-05-07 中国科学技术大学 Device with integrated application of solar heat collection and radiation refrigeration
WO2017151514A1 (en) * 2016-02-29 2017-09-08 The Regents Of The University Of Colorado, A Body Corporate Radiative cooling structures and systems
CN105957912A (en) * 2016-07-01 2016-09-21 中国科学技术大学 Multifunctional spectrum selective encapsulation material
CN107160773A (en) * 2017-05-11 2017-09-15 上海洁晟环保科技有限公司 A kind of composite membrane with infra-red radiation heat sinking function and its production and use

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
YAO ZHAI ET AL.: "Scalable-manufactured randomized glass-polymer hybrid metamaterial for daytime radiative cooling", 《SCIENCE》 *

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108432507A (en) * 2018-06-11 2018-08-24 宁波瑞凌节能环保创新与产业研究院 A kind of Agricultural greenhouse film with radiation cooling function
CN108912572B (en) * 2018-08-21 2021-03-02 哈尔滨工业大学（威海） Radiation-induced cooling film with self-cleaning function and preparation method thereof
CN108912572A (en) * 2018-08-21 2018-11-30 哈尔滨工业大学（威海） Radiation-induced cooling film with self-cleaning function and preparation method thereof
CN109161241A (en) * 2018-08-21 2019-01-08 哈尔滨工业大学（威海） A kind of radiative cooling coating and preparation method thereof with self-cleaning function
CN109135599A (en) * 2018-08-24 2019-01-04 宁波瑞凌辐射制冷科技有限公司 A kind of radiation refrigeration film of reflection-type
CN109968769A (en) * 2019-03-29 2019-07-05 中国科学院上海技术物理研究所 A kind of low-cost large-area Non-energy-consumption radiation refrigeration laminated film and preparation method
CN110117427A (en) * 2019-05-10 2019-08-13 西南交通建设集团股份有限公司 A kind of superradiance cooling coating structure and its manufacturing method
CN110372976A (en) * 2019-08-30 2019-10-25 哈尔滨工业大学 A kind of reflection-type radiation refrigeration material, film, preparation method and application
CN110452668A (en) * 2019-08-30 2019-11-15 哈尔滨工业大学 A kind of transmission-type radiation refrigeration material, film, preparation method and application
CN110744900A (en) * 2019-10-29 2020-02-04 厦门银蚁新能源科技有限公司 Radiation refrigeration film and preparation method and application thereof
CN112797666A (en) * 2021-02-04 2021-05-14 宁波瑞凌新能源科技有限公司 Radiation refrigeration film and product thereof
CN112797666B (en) * 2021-02-04 2022-03-01 宁波瑞凌新能源科技有限公司 Radiation refrigeration film and product thereof
CN114801403A (en) * 2022-03-08 2022-07-29 深圳大学 Radiation refrigeration composite flexible membrane with structural color
CN115386273A (en) * 2022-09-01 2022-11-25 南京工业大学 Daytime radiation refrigeration coating
CN115386273B (en) * 2022-09-01 2023-09-29 南京工业大学 Daytime radiation refrigeration coating

Similar Documents

Publication Publication Date Title
CN107936389A (en) A kind of composite membrane and preparation method thereof
CN110552199B (en) Radiation refrigeration composite photon structure film and preparation method thereof
CN112898777B (en) High-thermal-conductivity radiation refrigeration and heat dissipation material, and preparation method and application thereof
US10927244B1 (en) Superhydrophobic and self-cleaning radiative cooling film and preparation method thereof
JP2004059875A (en) Masterbatch containing heat ray shielding ingredient, heat ray shielding transparent resin molding applied with the masterbatch and laminate thereof
WO2022166345A1 (en) Large-scale preparation method for three-dimensional porous nano composite cooling thin film
CN113527755A (en) PVA derivative radiation refrigeration membrane material and preparation method and application thereof
CN104023505A (en) Method for preparing high thermal conductivity graphite film
JP2012082326A (en) Master batch containing high heat-resistant heat ray shielding component, production method of the master batch, high heat-resistant heat ray shielding transparent resin molded article, and high heat-resistant heat ray shielding transparent laminate
CN109762301A (en) A kind of preparation method of polymer graphite alkene modified epoxy
CN103342947A (en) Novel two-dimensional nano paint
CN111394069B (en) Silicon dioxide coated magnesium phosphite radiation refrigeration material and preparation method thereof
CN106118287A (en) A kind of nano ATO/CuS filler water soluble acrylic acid transparent heat insulating dope
CN102134363B (en) Polymethylmethacrylate nanometer composite material and preparation method thereof
CN107998997A (en) One species raspberry shape microballoon, super-hydrophobic coat and preparation method thereof
CN111378278B (en) High-temperature-resistant thermal control film and preparation method thereof
CN105859996A (en) Water-soluble UV resin and preparation method thereof
CN103013042B (en) Metamaterial dielectric substrate and processing method thereof
JP7133183B2 (en) VO2-supporting hollow particles having thermochromic properties and method for producing the same
JP6949304B2 (en) Masterbatch containing heat ray absorbing component and its manufacturing method, heat ray absorbing transparent resin molded body, and heat ray absorbing transparent laminate
CN111471359A (en) Preparation method and application of broad-spectrum high-emission particle material
CN210970217U (en) High-reflection radiation refrigeration film
CN108864887A (en) A kind of preparation method of zinc oxide composite thermal barrier coatings
CN113604089B (en) Broadband optical absorbent and coating preparation method
CN103289316B (en) The preparation method and Super-material antenna of a kind of metamaterial substrate

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20180420

RJ01 Rejection of invention patent application after publication