CN105219143A - A kind of polymer-based infrared absorbing material is preparing the application in overall height molecule thermal isolation film - Google Patents
A kind of polymer-based infrared absorbing material is preparing the application in overall height molecule thermal isolation film Download PDFInfo
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- CN105219143A CN105219143A CN201510681029.5A CN201510681029A CN105219143A CN 105219143 A CN105219143 A CN 105219143A CN 201510681029 A CN201510681029 A CN 201510681029A CN 105219143 A CN105219143 A CN 105219143A
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Abstract
The present invention relates to a kind of polymer-based infrared absorbing material and preparing the application in overall height molecule thermal isolation film, polymer-based infrared absorbing material and macromolecule filming material mixing, be coated on carrier, drying and forming-film.High molecule nano material in the present invention shows very strong infrared Absorption ability; Mix with macromolecule filming material after film forming and have good visible light permeability, have infrared and ultravioletlight screening performance concurrently simultaneously, be dried to embrane method relative to traditional magnetron sputtering and Vacuum Heat and greatly reduce film cost, not only reduce cost compared to the thin-film material of metal matrix simultaneously, avoid the secondary pollution problem that some metals bring, have huge using value preparing in overall height molecule thermal insulation film material.
Description
Technical field
The invention belongs to the Application Areas of polymer-based material, particularly the polymer-based infrared absorbing material of one is applied preparing in overall height molecule thermal isolation film.
Background technology
Along with day by day the aggravating of world energy consumption, the minimizing of reserves, the appearance of the problems such as the environmental pollution simultaneously brought in energy use procedure, causes people more and more to pay close attention to and payes attention to how to reduce in life the consumption of the energy.As everyone knows, infrared energy accounts for about 50% of sunlight total energy, be produce the main source of heat, bring a lot of discomfort can to a certain extent the life of people, cause in current people family, a large amount of using air-condition of interior architecture such as factory of enterprise to be to regulate temperature.Greatly developing of current automobile industry, increases the usage quantity of automative air conditioning, and this will aggravate the consumption of the energy greatly, and decontaminate gas simultaneously.For this phenomenon, some optical materials and coating have a wide range of applications as the infrared light in shielding sunlight in modern architecture or vehicle glass at present.The infrared light shield effectiveness that infrared shielding film mainly utilizes the performance of inner infrared absorption or shielding material to reach good.
At present, there is a few class Infrared Absorbing Thin Film studied: the first is metallic film, as silver, Copper thin film, it can shield the visible of a part and infrared light, this kind of film mainly utilizes vacuum thermal evaporation methods or magnetron sputtering method to obtain, but this method cost costly and be unfavorable for prepared by big area; The second is nano material film, this kind of film is mainly prepared by solution method, as noble metal nanometer material (silver/gold nano grain), rare earth element nano material and metal-oxide semiconductor nano material (ITO, AZO), but this kind of material can only have absorption under a certain specific wavelength, or can only absorb the infrared light being greater than 1500 nanometers.The third is that at present research is more, the good tungsten based nano-material of effect, but this kind of material price is more expensive and these films comprising heavy metal can bring pollution to environment, is unfavorable for applying.Therefore, need to develop simple, the environmentally friendly infrared light shielding material of a kind of preparation method.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of polymer-based infrared absorbing material and is preparing the application in overall height molecule thermal isolation film, the method utilized in this invention is simple, the overall height molecule thermal isolation film utilizing polymer-based infrared absorbing material to prepare has good visible light permeability and infrared light shielding properties, in overall height molecule thermal insulation film, present huge using value.
A kind of polymer-based infrared absorbing material of the present invention is preparing the application in overall height molecule thermal isolation film, and described polymer-based infrared absorbing material and macromolecule filming material mixing, be coated on carrier, drying and forming-film; Wherein, polymer-based infrared absorbing material effectively absorbs near infrared light.
Described polymer-based infrared absorbing material is polypyrrole, polyaniline or poly-3,4-ethylene dioxythiophene PEDOT nano material.
Described macromolecule filming material has nontoxic, that industrial synthesis is ripe, properties of transparency is good and cheap feature.
Described macromolecule filming material is acrylic resin, polyethylene terephthalate PET, polydimethylsiloxane or polypropylene PP.
Described carrier is glass.
Film after described drying and forming-film has excellent visible light permeability and good snappiness.
Film after described drying and forming-film draws through optic test, has good shielding properties in ultraviolet and infrared band; Show in sunlight simulated experiment that film has good heat-proof quality, the temperature variation of film can be regulated by the type of film simultaneously: the thickness of the constant change film of polymer infrared absorption nano material content, or the content etc. of thickness constant change polymer infrared absorption nano material.Thus polymer-based infrared absorbing material has good application prospect preparing in overall height molecule thermal insulation film material.
Film after described drying and forming-film is overall height molecular material, can not bring other the secondary pollution problem such as heavy metal.
The present invention utilizes polymer-based infrared absorbing material and macromolecule filming material, develops overall height molecular film for thermal isolation film Material Field.
Polymer-based infrared absorbing material in the present invention has very strong near-infrared absorption ability, therefore can be used as new and effective infrared absorbing material.These nano materials mixed with macromolecule filming material, these materials can mix with film forming material, and show good visible light permeability and infrared light shielding properties.More much lower than atmosphere temperature rising in the magazine being window with common silica glass as atmosphere temperature rising in the magazine of window using the glass scribbling this film.Therefore, this polymer-based infrared absorbing material presents huge using value in overall height molecule thermal insulation film.
Polypyrrole nano particle shows very strong infrared absorbance, and film forming rear film has stronger visible light permeability and infrared light shield effectiveness, this full macromolecule material film presents huge using value in modern architecture or vehicle glass coating; Polyaniline, poly-3,4-ethylene dioxythiophene (PEDOT) nano material have good infrared absorption performance; After polyaniline, poly-3,4-ethylene dioxythiophene (PEDOT) nano material and macromolecule filming material film forming, there is good infrared light shielding properties and visible light permeability.
The preparation method of polypyrrole nano material film forming comprises: the preparation method of its film is as follows: (A) is by initiator FeCl
36H
2o and stablizer POLYPROPYLENE GLYCOL (PVA) are dissolved in deionized water for stirring; Then transfer in ice-water bath, add pyrrole monomer, in 5 DEG C of polymerization centrifugations after 4 hours, namely obtain polypyrrole nano material.(B) synthetic polypyrrole solution is mixed with acrylic resin, stir and polypyrrole is scattered in acrylic resin uniformly, then its mixed solution is coated on glass, dry at 50 DEG C.After drying completely, the film of solidification is taken off from glass, namely obtain overall height molecule infrared light shielded film.(C) glass scribbling this film agreed without prior consultation and do not have the common silica glass of coated thin film to agree without prior consultation to irradiate under simulated solar irradiation, air temperature variations in testing period magazine.Under identical irradiation time and light intensity, in the magazine that window scribbles the glass of macromolecule membrane, temperature is starkly lower than control group.
Polymer-based infrared absorbing material has good degradation property and stability.The polymers such as polypyrrole, Polythiophene, polyaniline all show good infrared absorption performance.Meanwhile, the macromolecular material as film forming has acrylic resin, polyethylene terephthalate (PET), polydimethylsiloxane (PDMS), polypropylene (PP) etc.The present invention utilizes polymer-based infrared absorbing material and macromolecule filming material, develops overall height molecular film first for thermal isolation film Material Field.
What film prepared by the present invention adopted is coating/desiccating method, overcomes vacuum high-temperature evaporation and magnetron sputtering method prepares the expensive shortcoming of film, avoids the secondary pollution problems such as heavy metal again relative to metallic film material.Further, the overall height molecule infrared shielding material in the present invention not only has good ultraviolet and infrared light shielding properties, also has good visible light permeability.Therefore, the full high molecular film material that this polypyrrole nano particle builds presents huge using value in infrared light shielding.
beneficial effect
(1) the present invention utilizes simple synthetic method to prepare polymer infrared absorption nano material, its cheap, stable performance; Utilize comparatively simple film technique to prepare overall height molecule infrared shielding film, be easy to big area and produce, cheap, waste film can not bring the environmental pollutions such as heavy metal simultaneously simultaneously;
(2) the present invention by polymer-based infrared absorbing material for the preparation of overall height molecule thermal isolation film, the thermal isolation film obtained has good visible light permeability, have infrared and ultravioletlight screening performance simultaneously concurrently, have huge using value preparing in overall height molecule thermal insulation film material.
Accompanying drawing explanation
Fig. 1 is the shape appearance figure of polypyrrole nano particle in embodiment 1; Wherein, a is SEM figure, b is TEM figure;
Fig. 2 is photothermal deformation performance (c) that the infared spectrum (a) of polypyrrole nano particle in embodiment 1, near infrared absorption collection of illustrative plates (b) of polypyrrole solution and xenon lamp irradiate polypyrrole powder after 180 seconds;
Fig. 3 is that in embodiment 1, polypyrrole nano particle builds the modeling process chart (a) of overall height molecular film and true film figure: flexible (b), visible light permeability (c);
Fig. 4 is the SEM picture of 0.34mm-0.05wt% film of poly pyrrole surface and section in embodiment 1;
Fig. 5 is the different film (a) of polypyrrole content of thickness of the same race and spectral absorption collection of illustrative plates (b) of identical polypyrrole content different thickness film in embodiment 1;
Fig. 6 agrees interior air temperature variations comparison diagram (b) 0.3W/cm without prior consultation under membrane analogy solar light irradiation experimental simulation figure (a) and different light intensity in embodiment 1
2, (c) 0.5W/cm
2.
Embodiment
Below in conjunction with specific embodiment, set forth the present invention further.Should be understood that these embodiments are only not used in for illustration of the present invention to limit the scope of the invention.In addition should be understood that those skilled in the art can make various changes or modifications the present invention, and these equivalent form of values fall within the application's appended claims limited range equally after the content of having read the present invention's instruction.
Embodiment 1
Take 1.2347gFeCl
36H
2join after O and 1.5g POLYPROPYLENE GLYCOL (PVA) in 50mL deionized water, stirred at ambient temperature forms yellow solution in 1 hour.Subsequently at 5 DEG C, add the pyrrole monomer of 140 μ L, stir lower reaction 4 hours.After reaction terminates, centrifugation, can obtain polypyrrole nano particle, and as shown in Figure 1, Fig. 1 a is the scanning electron microscopic picture of polypyrrole to shape appearance figure, therefrom can see it being uniform spherical nanoparticles, size uniform (about 50nm); Transmission electron microscope picture in 1b further confirms that the polypyrrole prepared by the present invention is the spheroidal particle that uniform-dimension (about 50nm) distributes.
The polypyrrole powder prepared with the present invention in fig. 2 a and Potassium Bromide mixing film-making, test infrared figure.Can find out, at 1566cm from several charateristic avsorption bands in figure
-1place is C=C stretching vibration peak, 1361cm
-1place is the stretching vibration peak of C-N, and 1176 and 1055cm
-1place is=C-N plane in stretching vibration peak, finally at 902cm
-1what locate is=C-N plane external extension vibration peak; 60 μ gmL in 2b
-1the ultraviolet-visible-infrared absorption pattern of polypyrrole solution, as can be seen from the figure near infrared goes very strong absorption; Be the heating curve figure of polypyrrole powder under xenon lamp irradiates in 2c, can find out in figure, in 30s, polypyrrole powder can heat up by extinction rapidly.
Then by 0.5mgmL
-1polypyrrole solution mix with acrylic resin.At room temperature stir, form uniform solution, allow the evengranular dispersion of polypyrrole wherein.Resin compound is coated with on the glass sheet uniformly, dry at 50 DEG C.After resin solidification, it is taken off from sheet glass.This film has good snappiness and visible light permeability (see Fig. 3 b, c).This method is used to prepare the film of 5 kinds of different sizes.Be the film of 0.5mm thickness respectively, polypyrrole content is respectively: 0.05wt%, 0.10wt%, 0.125wt%; With the film of polypyrrole content 0.05wt%, thickness is respectively: 0.34mm and 0.60mm.
Be the SEM picture on 0.34mm-0.05wt% film of poly pyrrole surface in fig .4, as can be seen from the figure, film surface does not have crackle, and polypyrrole nano particle disperses wherein uniformly; Be the SEM picture of its section in 4b, gauge is approximately 0.34mm, and what this was favourable demonstrates the accuracy using vernier callipers testing film thickness.
To gained film by ultraviolet-visible-infrared light testing period optical property, as Fig. 5 a, b, known its has good ultraviolet, infrared light shielding properties, has good visible light permeability simultaneously.By the effect of heat insulation of sunlight simulated experiment testing period under different light intensity (see Fig. 6 a).By under different light intensity and its heat-proof quality of dissimilar films test (see Fig. 6 b, c), as can be seen from the figure, scribble film prepared by the present invention to agree interior air themperature without prior consultation and be starkly lower than control group and do not have air themperature in cated magazine, and heat insulation effect can be regulated and controled by regulating the kind (different thickness, different polypyrrole content) of film under same light intensity.
Claims (4)
1. polymer-based infrared absorbing material is preparing the application in overall height molecule thermal isolation film, it is characterized in that, described polymer-based infrared absorbing material and macromolecule filming material mixing, be coated on carrier, drying and forming-film; Wherein, polymer-based infrared absorbing material effectively absorbs near infrared light.
2. a kind of polymer-based infrared absorbing material according to claim 1 is preparing the application in polymer thermal insulation film, it is characterized in that, described polymer-based infrared absorbing material is polypyrrole, polyaniline or poly-3,4-ethylene dioxythiophene PEDOT nano material.
3. a kind of polymer-based infrared absorbing material according to claim 1 is preparing the application in polymer thermal insulation film, it is characterized in that, described macromolecule filming material is acrylic resin, polyethylene terephthalate PET, polydimethylsiloxane or polypropylene PP.
4. a kind of polymer-based infrared absorbing material according to claim 1 is preparing the application in polymer thermal insulation film, it is characterized in that, described carrier is glass.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108045041A (en) * | 2017-09-14 | 2018-05-18 | 杭州和顺科技股份有限公司 | A kind of fenestrated membrane heat-insulated polyester film and preparation method thereof |
| CN108587120A (en) * | 2017-12-21 | 2018-09-28 | 东莞市雄林新材料科技股份有限公司 | A kind of TPU film and preparation method thereof with infrared Absorption function |
| CN113045217A (en) * | 2021-03-19 | 2021-06-29 | 北京化工大学 | Preparation method of layer-by-layer self-assembly photo-thermal transparent anti-icing material |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101659829A (en) * | 2009-09-27 | 2010-03-03 | 西安华捷奥海新材料有限公司 | Infrared radiation composite radiating coating and preparation method and spraying method thereof |
| CN101691443A (en) * | 2009-09-08 | 2010-04-07 | 南京大学 | Infrared absorption type conductive polymer fine grain-PET compound and preparation method thereof |
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- 2015-10-20 CN CN201510681029.5A patent/CN105219143A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101691443A (en) * | 2009-09-08 | 2010-04-07 | 南京大学 | Infrared absorption type conductive polymer fine grain-PET compound and preparation method thereof |
| CN101659829A (en) * | 2009-09-27 | 2010-03-03 | 西安华捷奥海新材料有限公司 | Infrared radiation composite radiating coating and preparation method and spraying method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108045041A (en) * | 2017-09-14 | 2018-05-18 | 杭州和顺科技股份有限公司 | A kind of fenestrated membrane heat-insulated polyester film and preparation method thereof |
| CN108587120A (en) * | 2017-12-21 | 2018-09-28 | 东莞市雄林新材料科技股份有限公司 | A kind of TPU film and preparation method thereof with infrared Absorption function |
| CN113045217A (en) * | 2021-03-19 | 2021-06-29 | 北京化工大学 | Preparation method of layer-by-layer self-assembly photo-thermal transparent anti-icing material |
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Application publication date: 20160106 |