CN104371281A - Light absorbing and heat accumulating composition and light absorbing and heat accumulating structure prepared therefrom - Google Patents
Light absorbing and heat accumulating composition and light absorbing and heat accumulating structure prepared therefrom Download PDFInfo
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- CN104371281A CN104371281A CN201310351433.7A CN201310351433A CN104371281A CN 104371281 A CN104371281 A CN 104371281A CN 201310351433 A CN201310351433 A CN 201310351433A CN 104371281 A CN104371281 A CN 104371281A
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Abstract
The invention provides a light absorbing and heat accumulating composition. The composition is prepared by melting and extruding a mixture composed of a composition containing light absorbing and heat accumulating micro particles and polymer. The composition containing light absorbing and heat accumulating micro particles comprises at least one light absorbing and heat accumulating micro particle and a dispersant that coats the light absorbing and heat accumulating micro particle. The diameter of the light absorbing and heat accumulating micro particle that is dispersed in the polymer is in a range of 10 to 800 nano meters. According to the structure mentioned above, the provided light absorbing and heat accumulating composition can effectively absorb near infrared to achieve the goals of light absorption, heat insulation and heat accumulation. Moreover, the light absorbing and heat accumulating structure prepared from the light absorbing and heat accumulating composition has the advantages of good light transmittance, high near infrared shielding rate, and excellent light absorbing and heat radiation performance, and thus the buildings or vehicles that use the provided structure can maintain a good temperature balance.
Description
Technical field
The present invention about a kind of extinction accumulation of heat composition, espespecially a kind of can effectively absorption near infrared ray and the extinction accumulation of heat composition of accumulation of heat.In addition, the present invention is also about a kind of extinction accumulation of heat structure obtained by above-mentioned extinction accumulation of heat composition.
Background technology
For responding the policy of save energy, how to develop the target that a kind of extinction heat-storing material being applicable to the window of buildings and/or the vehicles is all circles' active research development always.
At present lagging material common on the market cannot have concurrently heat insulation with printing opacity two kinds of performances mostly simultaneously, and when the light transmission of a lagging material is better, often its heat-insulating capability is poorer; When the heat-insulating capability of a lagging material is better, its light transmission is mostly poor.
But, no matter be the window being applied in buildings or the vehicles, described lagging material all should take into account visibility meter, heat insulation with demands such as accumulation of heats simultaneously, make to possess enough sight lines or driving safety in indoor or car, guarantee maintain certain temperature equilibrium in indoor or car simultaneously, avoid the problem that need consume the energy because of illumination or maintenance constant temperature excessively.
Summary of the invention
Therefore, lagging material in view of prior art cannot have the demands such as visibility meter, heat insulation and accumulation of heat concurrently simultaneously, the object of the present invention is to provide a kind of can effectively absorption near infrared ray and the extinction accumulation of heat composition of accumulation of heat, promote the light transmission of the extinction accumulation of heat structure made by above-mentioned extinction accumulation of heat composition, to promote the performance index of extinction accumulation of heat composition and the extinction accumulation of heat structure obtained by it simultaneously.
For reaching aforementioned object, the invention provides a kind of extinction accumulation of heat composition, it is by melt extruding containing obtained by least one extinction accumulation of heat micropartical composition and high molecular mixture.
According to specific embodiment of the invention scheme, preferably, described extinction accumulation of heat micropartical composition has dispersion agent and at least one extinction accumulation of heat micropartical, extinction accumulation of heat micropartical described in described dispersant-coated, described extinction accumulation of heat micropartical composition is particulate state, and described extinction accumulation of heat micropartical composition is dispersed in described polymer and forms described extinction accumulation of heat composition, and described extinction accumulation of heat micropartical composition has the median size between 10 nanometer to 800 nanometers in extinction accumulation of heat composition.
According to specific embodiment of the invention scheme, preferably, described extinction accumulation of heat micropartical be first with dispersion agent in a solvent after dispersion treatment, form extinction accumulation of heat micropartical composition, mix with polymer again, and obtain described extinction accumulation of heat composition via the mode melt extruded.Wherein, described solvent can be polar solvent, such as: water, alcohol, Virahol; Or described solvent can be non-polar solvent, such as: aliphatics alkanes, aromatic series alkanes.Accordingly, can guarantee that extinction accumulation of heat micropartical composition is dispersed in described high molecular particle diameter between 10 nanometer to 800 nanometers through this dispersion treatment.
According to specific embodiment of the invention scheme, preferably, the temperature melt extruded described in is between 240 DEG C to 270 DEG C.
According to specific embodiment of the invention scheme, preferably, with the gross weight of extinction accumulation of heat composition for benchmark, the atomic content of described extinction accumulation of heat is 0.05 to 20 weight percent; The content of dispersion agent is 0.05 to 20 weight percent; And high molecular content is 60 to 99.9 weight percents.
According to specific embodiment of the invention scheme, preferably, described extinction accumulation of heat micropartical comprises the combination of one or more in titanium tetrachloride (tin-oxide of Sb doped), indium tin oxide (indium oxide of tin dope) and caesium tungsten oxide (tungsten oxide of caesium doping).
According to specific embodiment of the invention scheme, preferably, the median size of described extinction accumulation of heat micropartical composition is between 10 nanometer to 200 nanometers.
In a wherein embodiment of the present invention, the molecular weight of described dispersion agent is 1000Da to 20000Da, and described dispersion agent comprises a functional group, and described functional group comprises the combination of one or more in hydroxy, epoxy group(ing), carboxylic acid group and amido.Preferably, described dispersion agent can comprise the functional group of above-mentioned more than two kinds simultaneously.
According to specific embodiment of the invention scheme, preferably, described dispersion agent comprises polyalcohols, polyether glycol, polyester polyol, polyester-polysiloxane, polyamide wax, Oxidized polyolefin wax, polyester wax or its combination.More specifically, described dispersion agent comprises polyoxyethylene glycol, polycaprolactone glycol, polycarbonate diol, polycaprolactone-polysiloxane, oxidized polyethlene wax, polyethylene vinyl acetate wax or its combination.
In another embodiment of the invention, described dispersion agent is R
4r
3r
2siO (R
1)
3, wherein R
1for-CH
3,-C
2h
5,-Cl, R
2for carbon number between 2 to 18 alkyl, R
3and R
4be respectively the combination of one or more in epoxy group(ing), amido and thiazolinyl.More specifically, described dispersion agent is 3-aminocarbonyl propyl triethoxyl silane (3-aminopropyltriethoxysilane, or 3-glycidoxypropyl trimethoxysilane (3-epoxypropoxypropyltrimethoxysilane, EPPTMS) APTES).
According to specific embodiment of the invention scheme, preferably, described extinction accumulation of heat composition also comprises lubrication prescription, and described extinction accumulation of heat composition is by melt extruding containing obtained by described extinction accumulation of heat micropartical composition, described lubrication prescription and described high molecular mixture, wherein with the gross weight of extinction accumulation of heat composition for benchmark, the content of described lubrication prescription is 0.1 to 10 weight percent, and described lubrication prescription can be stearic acid, stearate, polyethylene wax, oxidized polyethlene wax, polyethylene vinyl acetate wax or its combination.More specifically, described stearate can be potassium stearate or sodium stearate, but is not limited only to this.
According to specific embodiment of the invention scheme, preferably, described polymer comprises polyethylene terephthalate (poly (ethylene terephthalate, PET), polybutylene terephthalate (poly (butylene terephthalate, PBT) combination of one or more and in polycarbonate (polycarbonate, PC).
For reaching aforementioned object, the present invention also provides a kind of extinction accumulation of heat structure, it is obtained by above-mentioned extinction accumulation of heat composition, and extinction accumulation of heat micropartical composition is particulate state, described extinction accumulation of heat micropartical composition is dispersed in described polymer and forms described extinction accumulation of heat composition, and described extinction accumulation of heat micropartical composition is dispersed in extinction accumulation of heat composition the median size had between 10 nanometer to 200 nanometers.
According to the present invention, described extinction accumulation of heat structure can be extinction heat accumulation plate, extinction accumulation of heat film or extinction thermal storage fiber.
According to specific embodiment of the invention scheme, preferably, the thickness of described extinction accumulation of heat structure is 0.5 micron to 1000 microns.
According to specific embodiment of the invention scheme, preferably, the described visible ray penetration coefficient of extinction accumulation of heat structure and the summation of near-infrared shielding rate are multiplied by 100 for being more than or equal to 100; Better, above-mentioned summation is multiplied by 100 for being more than or equal to 124.Visible ray penetration coefficient described here and the summation of near-infrared shielding rate are multiplied by the numerical value of 100 generally in order to judge the performance index of extinction accumulation of heat structure, and numerical value is higher, and to represent the performance of described extinction accumulation of heat structure better.
In sum, the present invention by by the size controlling of extinction accumulation of heat micropartical composition in suitable scope, therefore to guarantee that after melt extruding obtained extinction accumulation of heat composition can effective absorption near infrared ray, reach the effect of extinction, heat insulation and accumulation of heat; In addition, utilize the extinction accumulation of heat structure made by described extinction accumulation of heat composition more can possess good extinction heating effect, and obtain preferably light transmission, near-infrared shielding rate and performance index simultaneously.Accordingly, extinction accumulation of heat structure of the present invention can take into account the demands such as visibility meter, heat insulation and accumulation of heat simultaneously, can maintain preferably temperature equilibrium when making it be applied in buildings or the vehicles.
Accompanying drawing explanation
Fig. 1 is the full spectrogram of penetration coefficient of the extinction heat accumulation plate of embodiment 1 and embodiment 3.
Embodiment
The embodiment of extinction accumulation of heat composition and the extinction accumulation of heat structure obtained by it is described by following specific embodiment, those skilled in the art can understand via the content of this specification sheets the advantage and effect that the present invention can reach easily, and under not departing from spirit of the present invention, carry out various modification and change, to implement or to apply content of the present invention.
Embodiment 1: the preparation of extinction accumulation of heat composition
First, it is in the alcohol of 95% that titanium tetrachloride (purchased from Japanese Shi Yuan company) and 3-aminocarbonyl propyl triethoxyl silane are added volume percent, after full and uniform mix and blend, obtains titanium tetrachloride suspension.Wherein, in selected titanium tetrachloride, the ratio of antimony and tin is 1:9, and the particle diameter of this titanium tetrachloride is 10-20 nanometer, and titanium tetrachloride: 3-aminocarbonyl propyl triethoxyl silane: the weight ratio of alcohol is 30:2:68.
Then, utilize the zirconium pearl of 1 millimeter, under the rotating speed of 1000rpm, continue this titanium tetrachloride suspension of ball milling 6 hours with ball mill, form the titanium tetrachloride slurry through dispersion.
Afterwards, take drying temperature as the processing condition of 100 DEG C, spraying dry, through the titanium tetrachloride slurry of dispersion, obtains the titanium tetrachloride mixed powder of drying.The titanium tetrachloride mixed powder of drying is extinction accumulation of heat micropartical composition, and the titanium tetrachloride mixed powder of drying comprises titanium tetrachloride and 3-aminocarbonyl propyl triethoxyl silane two kinds of compositions.
Finally, the titanium tetrachloride mixed powder of mixing drying and pure polyethylene terephthalate resin particle, and the two is injected twin screw extruder, and with the extrusion temperature blending extrusion of 240 DEG C to 270 DEG C, obtain extinction accumulation of heat composition.Wherein, titanium tetrachloride accounts for 10 of extinction accumulation of heat composition.
Accordingly, containing titanium tetrachloride, 3-aminocarbonyl propyl triethoxyl silane and pure polyethylene terephthalate resin three kinds of compositions in obtained extinction accumulation of heat composition, be 100 weight percents with the gross weight of extinction accumulation of heat composition, the content of each composition is as shown in table 1, and numerical value listed in table 1 is that actual numerical value rounds up deputy result after radix point.
Embodiment 2: the preparation of extinction accumulation of heat composition
The present embodiment prepares extinction accumulation of heat composition via the method for above-described embodiment 1 haply, and its difference is, the present embodiment is also added with the stearic acid as lubrication prescription in preparation process, and its detailed preparation method is as follows:
First, it is in the alcohol of 95% that titanium tetrachloride, 3-aminocarbonyl propyl triethoxyl silane and stearic acid are added volume percent, after full and uniform mix and blend, obtains titanium tetrachloride suspension.Wherein, titanium tetrachloride: 3-aminocarbonyl propyl triethoxyl silane: stearic acid: the weight ratio of alcohol is 30:1:1:68.
Then, utilize the zirconium pearl of 1 millimeter, under the rotating speed of 1000rpm, continue this titanium tetrachloride suspension of ball milling 6 hours with ball mill, form the titanium tetrachloride slurry through dispersion.
Afterwards, take drying temperature as the processing condition of 100 DEG C, spraying dry, through the titanium tetrachloride slurry of dispersion, obtains the titanium tetrachloride mixed powder of drying.The titanium tetrachloride mixed powder of drying is extinction accumulation of heat micropartical composition, and the titanium tetrachloride mixed powder of drying comprises titanium tetrachloride, 3-aminocarbonyl propyl triethoxyl silane and stearic acid three kinds of compositions.
Finally, the titanium tetrachloride mixed powder of mixing drying and pure polyethylene terephthalate resin particle, and the two is injected twin screw extruder, and with the extrusion temperature blending extrusion of 240 DEG C to 270 DEG C, obtain extinction accumulation of heat composition.Wherein, titanium tetrachloride accounts for 10 of extinction accumulation of heat composition.
Accordingly, containing titanium tetrachloride, 3-aminocarbonyl propyl triethoxyl silane, stearic acid and pure polyethylene terephthalate resin four kinds of compositions in obtained extinction accumulation of heat composition, be 100 weight percents with the gross weight of extinction accumulation of heat composition, the content of each composition is as shown in table 1, and numerical value listed in table 1 is that actual numerical value rounds up deputy result after radix point.
Embodiment 3: the preparation of extinction accumulation of heat composition
The present embodiment prepares extinction accumulation of heat composition via the method for above-described embodiment 1 haply, and its difference is, the dispersion agent selected by the present embodiment is Solsperse20000, purchased from American Lubrizol company.
In extinction accumulation of heat composition obtained by the present embodiment extinction accumulation of heat micropartical, dispersion agent and high molecular concrete composition and content as shown in table 1.
Embodiment 4: the preparation of extinction accumulation of heat composition
The present embodiment prepares extinction accumulation of heat composition via the method for above-described embodiment 1 haply, and its difference is, the dispersion agent selected by the present embodiment is Disperbyk2000, purchased from German BYK company; And in obtained titanium tetrachloride suspension, titanium tetrachloride: disperbyk2000: the weight ratio of alcohol is 30:0.6:69.4.
In extinction accumulation of heat composition obtained by the present embodiment extinction accumulation of heat micropartical, dispersion agent and high molecular concrete composition and content as shown in table 1.
Embodiment 5: the preparation of extinction accumulation of heat composition
The present embodiment prepares extinction accumulation of heat composition via the method for above-described embodiment 1 haply, and its difference is, the polyalcohols of to be molecular weight the be 20kDa of the dispersion agent selected by the present embodiment; And in obtained titanium tetrachloride suspension, titanium tetrachloride: polyalcohols: the weight ratio of alcohol is 30:5:65.
In extinction accumulation of heat composition obtained by the present embodiment extinction accumulation of heat micropartical, dispersion agent and high molecular concrete composition and content as shown in table 1.
Embodiment 6: the preparation of extinction accumulation of heat composition
The present embodiment prepares extinction accumulation of heat composition via the method for above-described embodiment 1 haply, and its difference is, the dispersion agent selected by the present embodiment is 3-(methacryloxypropyl) propyl trimethoxy silicane; And in obtained titanium tetrachloride suspension, titanium tetrachloride: 3-(methacryloxypropyl) propyl trimethoxy silicane: the weight ratio of alcohol is 30:5:65.
In extinction accumulation of heat composition obtained by the present embodiment extinction accumulation of heat micropartical, dispersion agent and high molecular concrete composition and content as shown in table 1.
Comparative example 1: the preparation of extinction accumulation of heat composition
Comparative example 1 is selected without dispersion and the titanium tetrachloride of drying as raw material, and in selected titanium tetrachloride, the ratio of antimony and tin is 1:9, and the particle diameter of this titanium tetrachloride is 10 to 20 nanometers.With titanium tetrachloride: the weight ratio of pure polyethylene terephthalate resin particle is the ratio of 1:9, mixing titanium tetrachloride and pure polyethylene terephthalate resin particle; And as the method described in embodiment 1, the two is injected twin screw extruder, and with the extrusion temperature blending extrusion of 240 DEG C to 270 DEG C, obtain extinction accumulation of heat composition.
Accordingly, the extinction accumulation of heat composition obtained by comparative example 1 does not comprise dispersion agent, is 100 weight percents with the gross weight of extinction accumulation of heat composition, extinction accumulation of heat micropartical and high molecular content as shown in table 1.
Comparative example 2: the preparation of extinction accumulation of heat composition
Described in comparative example 1, this comparative example also to be selected without dispersion and the titanium tetrachloride of drying as raw material, prepares extinction accumulation of heat composition.
The difference of this comparative example and comparative example 1 be in, this comparative example is directly mixed with 3-aminocarbonyl propyl triethoxyl silane and polyethylene terephthalate resin particle by the titanium tetrachloride without dispersion and drying, and the two is injected twin screw extruder, with the extrusion temperature blending extrusion of 240 DEG C to 270 DEG C, obtain extinction accumulation of heat composition.Wherein, without dispersion and the titanium tetrachloride of drying: 3-aminocarbonyl propyl triethoxyl silane: the weight ratio of pure polyethylene terephthalate resin particle three is 1:0.1:8.9.
Accordingly, extinction accumulation of heat composition obtained by comparative example 2 contains titanium tetrachloride, 3-aminocarbonyl propyl triethoxyl silane and pure polyethylene terephthalate resin three kinds of compositions, be 100 weight percents with the gross weight of extinction accumulation of heat composition, the content of each composition is as shown in table 1, and numerical value listed in table 1 is that actual numerical value rounds up deputy result after radix point.
Comparative example 3: the preparation of extinction accumulation of heat composition
Comparative example 3 prepares extinction accumulation of heat composition via the method for above-described embodiment 1 haply, its difference is, this comparative example is that the Solsperse21000 sold with Lubrizol company of the U.S. replaces 3-aminocarbonyl propyl triethoxyl silane, and replace alcohol with methyl ethyl ketone, prepare titanium tetrachloride suspension.The detailed preparation method of extinction accumulation of heat composition is as follows:
First, titanium tetrachloride and Solsperse21000 are added in methyl ethyl ketone (methylethyl ketone, MEK), after full and uniform mix and blend, obtain titanium tetrachloride suspension.Wherein, titanium tetrachloride: Solsperse21000: the weight ratio of methyl ethyl ketone is 30:0.6:69.4.
Then, utilize the zirconium pearl of 1 millimeter, under the rotating speed of 1000rpm, continue this titanium tetrachloride suspension of ball milling 6 hours with ball mill, form the titanium tetrachloride slurry through dispersion.
Afterwards, take drying temperature as the processing condition of 100 DEG C, spraying dry, through the titanium tetrachloride slurry of dispersion, obtains the titanium tetrachloride mixed powder of drying.The titanium tetrachloride mixed powder of drying comprises titanium tetrachloride and Solsperse21000 bis-kinds of compositions.
Finally, the titanium tetrachloride mixed powder of mixing drying and pure polyethylene terephthalate resin particle, and the two is injected twin screw extruder, and with the extrusion temperature blending extrusion of 240 DEG C to 270 DEG C, obtain extinction accumulation of heat composition.Wherein, titanium tetrachloride accounts for 10 of extinction accumulation of heat composition.
Accordingly, containing titanium tetrachloride, Solsperse21000 and pure polyethylene terephthalate resin three kinds of compositions in obtained extinction accumulation of heat composition, be 100 weight percents with the gross weight of extinction accumulation of heat composition, the content of each composition is as shown in table 1, and numerical value listed in table 1 is that actual numerical value rounds up deputy result after radix point.
Comparative example 4: the preparation of extinction accumulation of heat composition
This comparative example prepares extinction accumulation of heat composition via the method for above-mentioned comparative example 3 haply, and its difference is, this comparative example is the Solsperse21000 replacing originally comparatively example 3 with Solsperse3000.
Accordingly, extinction accumulation of heat composition obtained by comparative example 4 contains titanium tetrachloride, solsperse3000 and pure polyethylene terephthalate resin three kinds of compositions, be 100 weight percents with the gross weight of extinction accumulation of heat composition, the content of each composition is as shown in table 1, and numerical value listed in table 1 is that actual numerical value rounds up deputy result after radix point.
Comparative example 5: the preparation of extinction accumulation of heat composition
Described in comparative example 1, this comparative example also to be selected without dispersion and the titanium tetrachloride of drying as raw material, prepares extinction accumulation of heat composition.
The difference of this comparative example and comparative example 1 be in, this comparative example is by without dispersion and the titanium tetrachloride of drying and H-Si6440P, directly mix purchased from Evonik company and pure polyethylene terephthalate resin particle, and the two is injected twin screw extruder, with the extrusion temperature blending extrusion of 240 DEG C to 270 DEG C, obtain extinction accumulation of heat composition.Wherein, without dispersion and the titanium tetrachloride of drying: H-Si6440P: the weight ratio of pure polyethylene terephthalate resin particle three is 1:0.2:8.8.
Accordingly, extinction accumulation of heat composition obtained by comparative example 5 contains titanium tetrachloride, H-Si6440P and polyethylene terephthalate resin three kinds of compositions, be 100 weight percents with the gross weight of extinction accumulation of heat composition, the content of each composition is as shown in table 1, and numerical value listed in table 1 is that actual numerical value rounds up deputy result after radix point.
The content of extinction accumulation of heat micropartical, dispersion agent, polymer and lubrication prescription contained in the extinction accumulation of heat composition of each embodiment of table 1 and comparative example and the median size of extinction accumulation of heat micropartical composition in extinction accumulation of heat composition.
Test example 1: the particle diameter of extinction accumulation of heat micropartical composition in extinction accumulation of heat composition
This test example is after being dissolved with phenol by the extinction accumulation of heat composition obtained by each embodiment and each comparative example respectively, then measures the size of extinction accumulation of heat micropartical composition in extinction accumulation of heat composition obtained after melt extruding processing with particle size analyzer.
The particle size measuring result of extinction accumulation of heat micropartical composition in extinction accumulation of heat composition of each embodiment and each comparative example is also as shown in table 1.
As shown in table 1, embodiment 1 to 6 is through dispersion, dry and obtained after melt extruding processing extinction accumulation of heat composition, and wherein extinction accumulation of heat micropartical composition all has the size being less than 800 nanometers in extinction accumulation of heat composition; Review comparative example 1 to 2 and 5, without the extinction accumulation of heat composition obtained by dispersion, drying and other steps, the median size of its extinction accumulation of heat micropartical composition all cannot microminiaturization to nano-scale, and though comparative example 3 and 4 is through dispersion, drying and other steps, but because not selecting suitable dispersion agent to disperse, therefore the particle diameter of obtained extinction accumulation of heat micropartical composition is still more than 800 nanometers.
Test example 2: the extinction heating effect of the extinction heat accumulation plate made by extinction accumulation of heat composition
In this test example, respectively using the extinction accumulation of heat composition of each embodiment and each comparative example as raw material, and make extinction heat accumulation plate via following identical preparation flow, the extinction heating effect of the extinction heat accumulation plate made with the extinction accumulation of heat composition analyzing each embodiment and each comparative example.
The extinction accumulation of heat composition of each embodiment is ratio blending extrusion in thin plate forcing machine of 1:19 respectively with weight ratio with pure polyethylene terephthalate resin, to obtain the extinction heat accumulation plate that thickness is 0.4 millimeter.
Afterwards, extinction heat accumulation plate is arranged on the position of distance halogen lamp 100 centimeters, and the angle of both orders is 45 degree, the extinction heat accumulation plate obtained by irradiating with the halogen lamp of 500 watts reaches 10 minutes.
In this test example, the pure polyethylene terephthalate substrate that another preparation one thickness is 0.4 millimeter is as the control group of the extinction heat accumulation plate made by the extinction accumulation of heat composition of embodiment 1 to 6, comparative example 1 to 5, and with as above-mentioned method for measurement, this pure polyethylene terephthalate substrate is arranged on the position of halogen lamp 100 centimeters, miter angle, and irradiates this pure polyethylene terephthalate substrate with the halogen lamp of 500 watts and reach 10 minutes.
Finally, the extinction heat accumulation plate made by extinction accumulation of heat composition of each embodiment and each comparative example is measured again respectively with hot imager, the surface temperature of pure polyethylene terephthalate substrate and pure polycarbonate substrate, and deduct the surface temperature difference of pure polyethylene terephthalate substrate respectively via the extinction heat accumulation plate made by the extinction accumulation of heat composition calculating each embodiment, the extinction heat accumulation plate made by extinction accumulation of heat composition of comparative example 1 to 5 deducts the surface temperature difference of pure polyethylene terephthalate substrate respectively, understand the extinction heating effect of the extinction heat accumulation plate made by the extinction accumulation of heat composition of each embodiment and each comparative example, its calculation result is as shown in table 2.
The surface temperature difference of the extinction heat accumulation plate of table 2 made by the extinction accumulation of heat composition of each embodiment and each comparative example and pure polyethylene terephthalate substrate and the visible ray penetration coefficient of these extinction heat accumulation plates above-mentioned, near-infrared shielding rate and performance index.
| Surface temperature difference | Visible ray penetration coefficient | Near-infrared shielding rate | Heat-proof quality index | |
| Embodiment 1 | +2.9℃ | 80% | 43% | 123 |
| Embodiment 2 | +2.9℃ | 81% | 42% | 123 |
| Embodiment 3 | +2.2℃ | 73% | 28% | 101 |
| Embodiment 4 | +2.6℃ | 78% | 31% | 109 |
| Embodiment 5 | +2.9℃ | 81% | 43% | 124 |
| Embodiment 6 | +2.7℃ | 78% | 41% | 119 |
| Comparative example 1 | +1.4℃ | 40% | 43% | 83 |
| Comparative example 2 | +1.5℃ | 42% | 43% | 85 |
| Comparative example 3 | +2.1℃ | 52% | 47% | 99 |
| Comparative example 4 | +2.1℃ | 50% | 48% | 98 |
| Comparative example 5 | +1.5℃ | 42% | 43% | 85 |
As shown in table 2, experimental result shows: the surface temperature difference of the extinction heat accumulation plate made by extinction accumulation of heat composition of each embodiment and the pure polyethylene terephthalate substrate of control group is all better than the surface temperature difference of the extinction heat accumulation plate made by extinction accumulation of heat composition of each comparative example and the pure polyethylene terephthalate substrate of control group, when confirming that the extinction accumulation of heat composition of embodiment 1 to 6 is applied in making extinction heat accumulation plate, its extinction heat accumulation plate can be made to have more excellent extinction heating effect.
Test example 3: the visible ray penetration coefficient of the extinction heat accumulation plate made by extinction accumulation of heat composition and heat-proof quality index thereof
In this test example, with the extinction heat accumulation plate of wavelength made by the extinction accumulation of heat composition of the 300 each embodiments of nanometer to 2500 nanometer irradiate light and each comparative example, be multiplied by the visible ray penetration coefficient of wavelength 550 nanometer, the infrared rays screening rate near infrared ray penetration coefficient of wavelength 950 nanometer (1 deduct) and both summations the heat-proof quality index that 100 obtain these extinction heat accumulation plates above-mentioned to measure these extinction heat accumulation plates above-mentioned.
Refer to shown in Fig. 1, the extinction heat accumulation plate made by extinction accumulation of heat composition of embodiment 1 and embodiment 3 all can reach 70% or even 80% in the penetration coefficient of the visible region of wavelength 550 nanometer; And it is lower in the penetration coefficient of the near infrared range of wavelength 950 nanometer, shows extinction accumulation of heat composition of the present invention and can promote visible ray penetration coefficient and near-infrared shielding rate simultaneously.
In addition, the heat-proof quality index of each extinction heat accumulation plate is multiplied by 100 calculating again via the above-mentioned visible ray penetration coefficient of totalling and near-infrared shielding rate and obtains, and its result is as shown in table 2.
Confirm via the visible ray penetration coefficient of each embodiment and each comparative example and performance index measurement, extinction heat accumulation plate made by the extinction accumulation of heat composition of embodiment 1 to 6 can not only possess preferably visible ray penetration coefficient, more can have good performance index concurrently, the usefulness that the extinction heat accumulation plate made by extinction accumulation of heat composition showing each embodiment takes into account light transmission and near-infrared shielding is simultaneously better than the extinction heat accumulation plate made by extinction accumulation of heat composition of each comparative example.
Above-described embodiment is citing for convenience of description only, and the interest field that the present invention advocates from should being as the criterion described in the scope of the claims of the present invention, but not is only limitted to above-described embodiment.
Claims (16)
1. an extinction accumulation of heat composition, it is by melt extruding containing obtained by extinction accumulation of heat micropartical composition and high molecular mixture.
2. extinction accumulation of heat composition according to claim 1, wherein, described extinction accumulation of heat micropartical composition has dispersion agent and at least one extinction accumulation of heat micropartical, described dispersion agent is coated on described extinction accumulation of heat micropartical, described extinction accumulation of heat micropartical composition is particulate state, and described extinction accumulation of heat micropartical composition is dispersed in described polymer and forms described extinction accumulation of heat composition, and described extinction accumulation of heat micropartical composition has the median size between 10 nanometer to 800 nanometers in described extinction accumulation of heat composition.
3. extinction accumulation of heat composition according to claim 2, wherein, the median size of described extinction accumulation of heat micropartical composition is between 10 nanometer to 200 nanometers.
4. the extinction accumulation of heat composition according to Claims 2 or 3, wherein, with the gross weight of extinction accumulation of heat composition for benchmark, the atomic content of described extinction accumulation of heat is 0.05 to 20 weight percent.
5. extinction accumulation of heat composition according to claim 4, wherein, described extinction accumulation of heat micropartical comprises the combination of one or more in titanium tetrachloride, indium tin oxide and caesium tungsten oxide.
6. extinction accumulation of heat composition according to claim 2, wherein, with the gross weight of extinction accumulation of heat composition for benchmark, the content of described dispersion agent is 0.05 to 20 weight percent.
7. extinction accumulation of heat composition according to claim 2, wherein, the molecular weight of described dispersion agent is 1000Da to 20000Da, and described dispersion agent comprises a functional group, and described functional group comprises the combination of one or more in hydroxy, epoxy group(ing), carboxylic acid group and amido.
8. extinction accumulation of heat composition according to claim 2, wherein, described dispersion agent comprises the combination of one or more in polyalcohols, polyether glycol, polyester polyol, polyester-polysiloxane, polyamide wax, Oxidized polyolefin wax and polyester wax.
9. extinction accumulation of heat composition according to claim 2, wherein, described dispersion agent comprises polyoxyethylene glycol, polycaprolactone glycol, polycarbonate diol, polycaprolactone-polysiloxane, oxidized polyethlene wax, polyethylene vinyl acetate wax or its combination.
10. extinction accumulation of heat composition according to claim 2, wherein, described dispersion agent is R
4r
3r
2siO (R
1)
3, wherein R
1for-CH
3,-C
2h
5,-Cl, R
2for carbon number between 2 to 18 alkyl, R
3and R
4be respectively the combination of one or more in epoxy group(ing), amido and thiazolinyl.
11. extinction accumulation of heat compositions according to claim 1, wherein, described extinction accumulation of heat composition also comprises lubrication prescription, and described extinction accumulation of heat composition is by melt extruding containing obtained by described extinction accumulation of heat micropartical composition, described lubrication prescription and described high molecular mixture, wherein with the gross weight of extinction accumulation of heat composition for benchmark, the content of described lubrication prescription is 0.1 to 10 weight percent, and wherein said lubrication prescription comprises stearic acid, stearate, polyethylene wax, oxidized polyethlene wax, polyethylene vinyl acetate wax or its combination.
12. extinction accumulation of heat compositions according to claim 1, wherein, described polymer comprises the combination of one or more in polyethylene terephthalate, polybutylene terephthalate and polycarbonate.
13. 1 kinds of extinction accumulation of heat structures, it is obtained by the extinction accumulation of heat composition according to any one of claim 1 to 12, extinction accumulation of heat micropartical composition in wherein said extinction accumulation of heat composition is particulate state, described extinction accumulation of heat micropartical composition is dispersed in described polymer and forms extinction accumulation of heat composition, and described extinction accumulation of heat micropartical composition has the median size between 10 nanometer to 200 nanometers in extinction accumulation of heat composition.
14. extinction accumulation of heat structures according to claim 13, wherein, the described visible ray penetration coefficient of extinction accumulation of heat structure and the summation of near-infrared shielding rate are multiplied by 100 for being more than or equal to 100.
15. extinction accumulation of heat structures according to claim 14, wherein, the described visible ray penetration coefficient of extinction accumulation of heat structure and the summation of near-infrared shielding rate are multiplied by 100 for being more than or equal to 124.
16. according to claim 13 to the extinction accumulation of heat structure according to any one of 15, and wherein, described extinction accumulation of heat structure is extinction heat accumulation plate, extinction accumulation of heat film or extinction thermal storage fiber.
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