CN107163511A - A kind of heat radiating type solar cell backboard material and preparation method - Google Patents

A kind of heat radiating type solar cell backboard material and preparation method Download PDF

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Publication number
CN107163511A
CN107163511A CN201710317335.XA CN201710317335A CN107163511A CN 107163511 A CN107163511 A CN 107163511A CN 201710317335 A CN201710317335 A CN 201710317335A CN 107163511 A CN107163511 A CN 107163511A
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heat
solar cell
type solar
radiating type
layer
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詹志英
林维红
周光大
林建华
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Hangzhou Forster Applied Materials Ltd By Share Ltd
Hangzhou First Applied Material Co Ltd
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Hangzhou Forster Applied Materials Ltd By Share Ltd
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Abstract

The invention discloses a kind of heat radiating type solar cell backboard material.The backboard is made up of heat conduction supporting layer, heat radiation weathering layer, and heat conduction supporting layer is made up of 40 80wt% matrix resin, 20 60wt% heat filling, 0.1 5wt% coupling agent, 0.1 10wt% modifying agent, 0 2wt% ultraviolet absorber, 0 2wt% ultraviolet light screener, 0 2wt% antioxidant；Heat radiation weathering layer is made up of the curing agent of 50 80wt% fluororesin, 20 50wt% radiation filler, 0 5wt%；Solar cell module internal heat is transmitted to after weathering layer by supporting layer and is dispersed into air.Heat transfer is combined by the solar energy back veneer material of the present invention with heat radiation so that the thermal diffusivity of solar components is greatly improved, and effectively reduces the temperature inside solar components, improves the photoelectric transformation efficiency of solar components, increases the generating efficiency of component.

Description

A kind of heat radiating type solar cell backboard material and preparation method
Technical field
The present invention relates to solar energy backplane technology field, and in particular to a kind of heat radiating type solar cell backboard material.
Background technology
Photovoltaic generation is a kind of principal mode that the world today utilizes new energy.Have benefited from inexhaustible solar energy money Source, by means of photovoltaic effect, can be realized as sunshine using semi-conducting material and is converted to electric energy.Crystal silicon solar batteries Use extensively at present, but its utilization rate to solar energy is relatively low, most of solar energy is not utilized, and can be converted to heat energy makes The rise of solar components temperature is obtained, so as to cause the reduction of component photoelectric transformation efficiency.And the rise of module operating temperature is to crystal silicon Solar cell has negative temperature effect, and temperature is higher, and the conversion to solar energy is more unfavorable.According to related data, with group Part temperature raises 1 DEG C, and the photoelectric transformation efficiency of component can decline, corresponding component power output reduction by 0.4% or so.Therefore it is Improve the power output of solar components, it is necessary to reduce the temperature of component, and this is dependent on strengthening the solar energy of heat conduction Backboard is by the temperature conduction of component to air side so as to realize the reduction of assembly temperature.
Solar components are made up of positive safety glass, EVA adhesive film, cell piece, EVA adhesive film and backboard, towards the sun The thermal conduction effect of this part of light is unconspicuous, and the main heat energy of component is then by the EVA adhesive film after cell back, special It is not that backboard is conducted.Backboard served in solar cell module support and protection effect, with it is weather-proof, block water, Insulating properties, but the PET base material heat conductivility at present used in backboard is unsatisfactory, thermal conductivity factor only has 0.22W/ (mk)；It is low The backboard of thermal conductivity factor is unfavorable for the heat conduction and heat radiation of solar cell module, and the temperature of corresponding assembly is also just difficult to reduce, the sun The electricity conversion of energy battery can be reduced.For this situation, currently have using the preferable metal backing of thermal conductivity factor to take The polymer backboard of generation tradition PET bases, also has and makees backboard using the aluminium foil for being compounded with weathering layer, but these backboards are to insulation The requirement of performance is more harsh, in order to reach that the post-processing step of insulation purpose is more complicated, and metal backing quality weight, behaviour It is not convenient to make；And be made using heat loss through radiation material by the way of thermal dispersant coatings reach that component cooling purpose is more typical, but coating The general PET base material much thinner lower than thermal conductivity factor, PET base material constitutes dominant thermal resistance, so that thermal dispersant coatings effect is unsatisfactory. It is directed to this, it is necessary to study back veneer material with optimization design back board structure to strengthen the thermal conductivity of solar components, reduction group The temperature of part, improves the efficiency of solar cell.
The content of the invention
The invention aims to provide a kind of solar cell module back veneer material of energy enhancing radiating, the backboard The temperature of solar components can be reduced, so as to improve the photoelectric transformation efficiency of solar components, increases the work(of solar components Rate is exported.
The purpose of the present invention is achieved through the following technical solutions：A kind of heat radiating type solar cell backboard material, The internal layer of the backboard is heat conduction supporting layer, and outer layer is heat radiation weathering layer；Described heat conduction supporting layer thickness is micro- in 100-500 Rice, is changed by 40-80wt% matrix resin, 20-60wt% heat filling, 0.1-5wt% coupling agent, 0.1-10wt% Property agent, 0-2wt% ultraviolet absorber, 0-2wt% ultraviolet light screener, 0-2wt% antioxidant composition；Described heat radiation Weathering layer thickness is at 5-30 microns, by 50-80wt% fluororesin, the 20-50wt% curing agent for radiating filler, 0-5wt% Composition；Described heat conduction supporting layer is granulated after being mixed for the heat filling of coupling agent treatment with other compositions through melting extrusion, is made Remelted extrusion stretching is obtained after grain, and heat radiation weathering layer is coated on heat conduction supporting layer；
Further, the heat filling by particle diameter in 0.5-30 microns of silicon powder, expanded graphite, carbon fiber, oxidation Aluminium, foamed aluminium, zinc oxide, zinc sulphide, aluminium nitride, boron nitride, carborundum, magnesia crystal whisker, ZnOw, graphene/nitrogen Change the one or more of boron superlattices by any proportioning mixing composition；
Further, the radiation filler is particle diameter in 0.1-5 microns of carborundum, zirconium oxide, iron oxide, titanium dioxide Titanium, carbon black, manganese oxide, chromium oxide, the one or more of silica are by any proportioning mixing composition.
Further, the coupling agent treatment is the ethanol solution that coupling agent is made into 10-30wt%, then is adjusted with acetic acid The pH of matched somebody with somebody solution to 3-8, heat filling is added in high-speed mixer；Solution is added into mixed at high speed with the mode of spraying again In machine, at 20-60 DEG C with 300-2000rpm mixed at high speed 10-30min, the heat filling of coupling agent treatment is obtained；Finally with dynamic Seasoning dries heat filling.
Further, the dynamic seasoning is specially：The heat filling of coupling agent treatment is in homogenizer with 10- 200rpm stirring at low speed, while the dry air for blasting 40-60 DEG C from the bottom of homogenizer handles 30-90min, so that real Existing heat filling while stirring, while suspension drying.
Further, the coupling agent is by N- β-(aminoethyl)-γ aminopropyl trimethoxysilanes, γ-aminopropyltriethoxy Diethoxy silane, anilinomethyl triethoxysilane, vinyltrimethoxy silane, double (two octyloxy pyrophosphoric acid ester groups) second Support titanate esters, plant acid type monoalkoxy class titanate esters, γ-aminopropyltrimethoxysilane, 3- propyl-triethoxysilicanes, 3- Glycydoxy trimethoxy silane, γ-methacryloxypropyl trimethoxy silane, N- β-aminoethyls- γ-aminopropyltriethoxy dimethoxysilane, N- (β-aminoethyl)-gamma-aminopropyl-triethoxy-silane, (dioctyl of isopropyl three Phosphoric acid acyloxy) titanate esters, isopropyl three (dioctylphyrophosphoric acid acyloxy) titanate esters, pyrophosphoric acid type monoalkoxy class metatitanic acid Ester, the one or more of compound phosphoric acid type monoalkoxy class metatitanic acid fat are by any proportioning mixing composition.
Further, the matrix resin by PEN, PTT, gather oneself in Acid amides, polyethylene terephthalate, polybutylene terephthalate (PBT), the one or more of polyamide are mixed by any proportioning It is combined into.
Further, the modifying agent is grafted acetic acid second by maleic anhydride, styrene block copolymer, maleic anhydride Alkene copolymer, styrene and glycidyl acrylate copolymer, m- isopropenyl -2,2- dimethyl benzoyls isocyanates, change Property polyacrylate, acrylate and the Bifunctionalized vinyl elastomer of ethylene oxidic ester, the isoprene of hydrogenated styrene one The one or more of one styrene block copolymer are by any proportioning mixing composition.Described ultraviolet absorber is by 2- hydroxyls -4- Oxy-octyl benzophenone, 2- (the tertiary phenyl of 2'- hydroxyls -3', 5'- bis-) -5- chlorinations BTA, 2- hydroxyl -4- methoxyl groups two Benzophenone, 2- [4,6- double (2,4- 3,5-dimethylphenyls) -1,3,5- triazine -2- bases] -5- octyloxies phenol, 2- (4,6- diphenyl -1, 3,5- triazines -2) -5- n-hexane epoxides phenol, 2- (2- hydroxyl -3- tertiary butyl -5- aminomethyl phenyls) -5- chlorobenzotriazoles, 2- The one or more of (the tertiary amyl phenyl of 2- hydroxyls -3,5- two) BTA are by any proportioning mixing composition.Described ultraviolet screen Cover agent by particle diameter 0.1-5 microns of carbon black, zinc oxide, zinc barium, calcium carbonate, talcum powder, lead monoxide it is one or more of by Any proportioning mixing composition.Described antioxidant by four [β-(3,5- di-tert-butyl-hydroxy phenyls) propionic acid] pentaerythritol esters, Triethylene-glycol double [β-(3- tertiary butyl-4-hydroxy -5- aminomethyl phenyls) propionic ester], (3,5- di-t-butyls -4- of 1,3,5- tri- Hydroxybenzyl) guanamine, 4,6- (1H, 3H, 5H) triketone, 1,3,5- trimethyls -2,4,6- (3,5- di-t-butyl -4- hydroxyls Benzyl) benzene, three (2,4- di-tert-butyl-phenyls) phosphite esters, β-(3,5- di-tert-butyl-hydroxy phenyls) propionic acid positive 18 The one or more of carbon alcohol ester are by any proportioning mixing composition.
Further, the fluororesin is by polyvinyl fluoride, Kynoar, polytrifluorochloroethylene, polytetrafluoroethylene (PTFE), tetrafluoro Ethene/lithium Propylene interpolymers, ethylene/tetrafluoroethylene EVA, ethene/trichlorine PVF EVA, tetrafluoroethene/mistake fluorine Change the one or more of ethenyl copolymer, tetrafluoroethylene-perfluoroalkyl vinyl ether copolymer by any proportioning mixing composition.Institute The curing agent stated is by toluene diisocyanate trimer, toluene di-isocyanate(TDI) performed polymer, hexamethylene diisocyanate trimerization Body, hexamethylene diisocyanate biruet, '-diphenylmethane diisocyanate tripolymer, IPDI trimerization Body, IPDI performed polymer, IPDI-trimethylolpropane methanol thing, toluene diisocyanate The one or more of acid esters-trimethylolpropane addition product, toluene di-isocyanate(TDI)-dihydric alcohol addition product are by any proportioning mixing Composition.
A kind of preparation method of heat radiating type solar cell backboard material described in claim 1, this method includes following step Suddenly：
(1) coupling agent is made into 10-30wt% ethanol solution, and the pH for matching somebody with somebody solution is adjusted in 3-8 with acetic acid, it is standby With.
(2) heat filling is added into high-speed mixer, the solution for then preparing step 1 adds height by the way of spraying In fast mixer, 20-60 DEG C with 300-2000rpm mixed at high speed 10-30min after, then dried with dynamic seasoning, i.e., low 40-60 DEG C of dry air is passed through under fast 10-200rpm stirrings and dries 30-90min, produces the heat filling of coupling agent treatment.
(3) matrix resin is added in high-speed mixer, the heat filling of step 2 coupling agent treatment is added, in 20-60 After DEG C with 300-2000rpm mixed at high speed 10-30min, modifying agent, ultraviolet absorber, ultraviolet light screener and anti-are sequentially added Oxygen agent, then 300-2000rpm mixed at high speed discharge after 5-20 minutes, obtain compound.
(4) compound is subjected to melting extrusion granulation, corresponding screw pelletizer temperature control is in 180-350 DEG C, rotating speed 100-300rpm, obtains granulation material.
(5) described heat conduction supporting layer is obtained after granulation material being carried out into melting extrusion, stretching by extruder, extruder Temperature control is at 200-350 DEG C, and rotating speed is in 100-300rpm.
(6) fluororesin, radiation filler, curing agent are mixed, obtains coating.
(7) it is coated and cured in heat conduction at a temperature of 100-200 DEG C of the coating as obtained by the technique such as spraying or blade coating by step 6 Support layer surface, forms one layer of heat radiation weathering layer, obtains heat radiating type solar cell backboard material.
The beneficial effects of the invention are as follows preparation process practicability and effectiveness of the invention, by the heat conduction for filling coupling agent treatment Filler so that supporting layer has preferable heat-conducting effect；By adding radiation filler, weathering layer has radiating effect again, so that The solar cell backboard material constituted can be good at conducting the heat in component, reduce solar cell module Temperature, so as to improve the photoelectric transformation efficiency of component, increase the power output of solar components.
Embodiment
Further illustrate technical scheme with reference to specific embodiment, but protection scope of the present invention not office It is limited to embodiment.
Embodiment 1
A kind of heat radiating type solar cell backboard material, the internal layer of the backboard is heat conduction supporting layer, and outer layer is heat radiation Weathering layer, wherein internal layer thickness are at 450 microns, and outer layer thickness is at 5 microns.
Heat conduction supporting layer is 64wt% PEN and 0.5wt% N- β-(aminoethyl)-γ ammonia third The 25wt% alumina particles of base trimethoxy silane modifying and decorating are after Screw Extrusion is granulated, then the styrene with 9wt% Block copolymer, 0.5wt% 2-hydroxy-4-n-octoxybenzophenone, 0.5wt% calcium carbonate, 0.5wt% four [β- (3,5- di-tert-butyl-hydroxy phenyls) propionic acid] pentaerythritol ester etc. is well mixed and prepared in 200-350 DEG C of melting extrusion stretching Obtain.
Then one layer of heat radiation weathering layer is sprayed in heat conduction support layer surface.The weathering layer is 78wt% poly- trifluoro chloroethene Alkene, 20wt% iron oxide, the 2wt% mixed coating matched somebody with somebody of toluene diisocyanate trimer, in temperature 100 after spraying Solidify at DEG C.Produce a kind of heat radiating type solar cell backboard material.
Embodiment 2
A kind of heat radiating type solar cell backboard material, the internal layer of the backboard is heat conduction supporting layer, and outer layer is heat radiation Weathering layer, wherein internal layer thickness are at 380 microns, and outer layer thickness is at 10 microns.
Heat conduction supporting layer is 55wt% polycaprolactam and 2wt% N- (β-aminoethyl)-gamma-aminopropyl-triethoxy The 5 of the 34wt% of silane-modified modification：1 magnesia crystal whisker with expanded graphite mixture after Screw Extrusion is granulated, then and 6wt% m- isopropenyl -2,2- dimethyl benzoyls isocyanates, 1wt% 2- [double (the 2,4- 3,5-dimethylphenyls) -1 of 4,6-, 3,5- triazine -2- bases] -5- octyloxies phenol, 1.5wt% zinc barium, 0.5wt% triethylene-glycol it is double [β-(the 3- tert-butyl groups - 4- hydroxy-5-methyl bases phenyl) propionic ester] etc. be well mixed and prepared in 200-350 DEG C of melting extrusion stretching.
Then one layer of heat radiation weathering layer is scratched in heat conduction support layer surface.The tetrafluoroethene that the weathering layer is 69wt%/ Lithium Propylene interpolymers, 30wt% zirconium oxide, 1wt% IPDI-trimethylolpropane methanol thing It is mixed with coating, solidify after spraying at 120 DEG C of temperature.Produce a kind of heat radiating type solar cell backboard material.
Embodiment 3
A kind of heat radiating type solar cell backboard material, the internal layer of the backboard is heat conduction supporting layer, and outer layer is heat radiation Weathering layer, wherein internal layer thickness are at 330 microns, and outer layer thickness is at 20 microns.
Heat conduction supporting layer is the 1 of 49wt%：1 PEN is mixed with polyethylene terephthalate The 10 of the 45wt% of thing and 1wt% isopropyl three (dioctylphyrophosphoric acid acyloxy) titanate esters modifying and decorating：1 carborundum with The mixture of graphene/boron nitride superlattices is grafted vinyl acetate after Screw Extrusion is granulated, then with 4wt% maleic anhydride Copolymer, 0.25wt% 2- (the tertiary amyl phenyl of 2- hydroxyls -3,5- two) BTA, 0.5wt% lead monoxide, 0.25wt% β-positive octadecanol ester of (3,5- di-tert-butyl-hydroxy phenyls) propionic acid etc. is well mixed molten in 200-350 DEG C Melt extrusion stretching to prepare.
Then one layer of heat radiation weathering layer is sprayed in heat conduction support layer surface.The tetrafluoroethene that the weathering layer is 65wt%- The 1 of perfluoroalkyl vinyl ether copolymer, 38wt%：1 zirconium oxide is mixed with chromium oxide, 7wt% isophorone two is different Cyanate tripolymer it is mixed with coating, solidify after spraying at 170 DEG C of temperature.Produce a kind of heat radiating type solar cell Back veneer material.
Embodiment 4
A kind of heat radiating type solar cell backboard material, it is characterised in that：The internal layer of the backboard is heat conduction supporting layer, outside Layer is heat radiation weathering layer, and wherein internal layer thickness is at 260 microns, and outer layer thickness is at 30 microns.
The PTT and the 1 of 1wt% that heat conduction supporting layer is 43wt%：1 3- glycidyl ether oxygens The 1 of the 52wt% of the mixture modification modification of base propyl trimethoxy silicane and vinyltrimethoxy silane：1 silicon powder with Zinc sulphide mixture is after Screw Extrusion is granulated, then acrylate and the Bifunctionalized ethene of ethylene oxidic ester with 2wt% 2- (4,6- diphenyl -1,3,5- triazines -2) -5- n-hexane epoxides phenol, the 0.7wt% dioxy of class elastomer, 0.75wt% Change titanium, 0.55wt% 1,3,5- tri- (3,5- di-tert-butyl-4-hydroxyl benzyls) guanamine, 4,6- (1H, 3H, 5H) triketone etc. It is well mixed and is prepared in 200-350 DEG C of melting extrusion stretching.
Then one layer of heat radiation weathering layer is sprayed in heat conduction support layer surface.The weathering layer is 54wt% ethene/trichlorine PVF EVA, 45wt% carborundum, match somebody with somebody mixed by 1wt% toluene di-isocyanate(TDI)-trimethylolpropane addition product Coating, in the solidification of 185 DEG C of temperature after spraying.Produce a kind of heat radiating type solar cell backboard material.
Embodiment 5
A kind of heat radiating type solar cell backboard material, it is characterised in that：The internal layer of the backboard is heat conduction supporting layer, outside Layer is heat radiation weathering layer, and wherein internal layer thickness is at 180 microns, and outer layer thickness is at 15 microns.
Heat conduction supporting layer is the 2 of 75wt%：1 polybutylene terephthalate (PBT) and polyamide compound and 1.5wt% Compound phosphoric acid type monoalkoxy class titanate modification modification 20wt% 1：4 ZnOw is passed through with foam aluminium mixture Cross after Screw Extrusion granulation, then modified polyacrylate, 0.5wt% 2- (2- hydroxyl -3- tertiary butyl -5- methyl with 1wt% Phenyl) -5- chlorobenzotriazoles, 2wt% zinc oxide, the 2wt% double [β-(3- tertiary butyl-4-hydroxies -5- of triethylene-glycol Aminomethyl phenyl) propionic ester] etc. be well mixed and prepared in 200-350 DEG C of melting extrusion stretching.
Then one layer of heat radiation weathering layer is scratched in heat conduction support layer surface.The weathering layer is the 1 of 70wt%：2 ethene/ Trichlorine PVF EVA and the mixture, 28wt% silica, 2wt% of tetrafluoroethene/mistake ethylene fluoride EVA 1：The coating matched somebody with somebody mixed by 1 toluene di-isocyanate(TDI) performed polymer and the mixture of isophorone diisocyanate trimer, Solidify after spraying at 145 DEG C of temperature.Produce a kind of heat radiating type solar cell backboard material.
In embodiment 3, the addition of heat filling is cancelled, the backboard with reference to obtained by with sample preparation method is comparative example.
A kind of heat radiating type solar cell backboard material made to embodiment 1-5 carries out performance detection, as a result as follows Shown in table 1.
Table 1：The performance of backboard
Embodiment 1,3 and the made back veneer material of comparative example are made into solar components, surveyed under same environmental condition Try corresponding assembly property, such as table 2.
Table 2：The performance of component
The back veneer material performance that can illustrate the present invention by the data of table 1 and 2 has larger thermal conductivity factor, can be fine The heat in component is conducted, reduce solar cell module temperature so that improve component opto-electronic conversion effect Rate, increases the power output of solar components.In addition back veneer material of the invention also has preferably in the performance of other side Performance, disclosure satisfy that requirement of the solar cell module to back veneer material.
In addition, the corresponding performance test methods of table 1 and 2 are tested with reference to following corresponding standard；
Thermal conductivity factor：Method of testing is with reference to ASTM D5470-2006《Thin thermal conductance solid electrical insulation material heat transfer performance Testing standard》.
Shelf depreciation：Method of testing is with reference to IEC 60270《Shelf depreciation standard testing》.
Reflectivity：Method of testing is with reference to ASTM D1003《Transparent plastic light transmittance and haze test method》.
Water vapor transmittance：Method of testing is with reference to GB/T 26253-2010《The survey of plastic sheeting and thin slice moisture-vapor transmission It is fixed：Infrared detector method》.
Stretch intensity and elongation at break：Method of testing is with reference to GB/T 13542.4-2009《Electric insulation film (the 4th Point):Polyester film》.
Peel strength：Method of testing is with reference to GB/T 2792-2014《The test method of adhesive tape peel strength》.
Maximum initial power：Method of testing is with reference to IEC 61215《Ground Crystalline Silicon PV Module：Design is identified and fixed Type》, select 60 polycrystal silicon cell components.
Assembly temperature：Method of testing is with reference to IEC 61215《Ground Crystalline Silicon PV Module：Design identification and sizing》.
Component power：Method of testing is with reference to IEC 61215《Ground Crystalline Silicon PV Module：Design identification and sizing》, Select 60 polycrystal silicon cell components.
Above-described embodiment is used for illustrating the present invention, rather than limits the invention, the present invention spirit and In scope of the claims, any modifications and changes made to the present invention both fall within protection scope of the present invention.

Claims (10)

1. a kind of heat radiating type solar cell backboard material, it is characterised in that：The internal layer of the backboard is heat conduction supporting layer, outer layer For heat radiation weathering layer；Described heat conduction supporting layer thickness is about 100-500 microns, by 40-80wt% matrix resin, 20- 60wt% heat filling, 0.1-5wt% coupling agent, 0.1-10wt% modifying agent, 0-2wt% ultraviolet absorber, 0- 2wt% ultraviolet light screener, 0-2wt% antioxidant composition；Described heat radiation weathering layer thickness is about 5-30 microns, by 50-80wt% fluororesin, 20-50wt% radiation filler, 0-5wt% curing agent composition；Described heat conduction supporting layer is The heat filling of coupling agent treatment is granulated after being mixed with other compositions through melting extrusion, and remelted extrusion stretching is obtained after granulation, Heat radiation weathering layer is coated on heat conduction supporting layer.
2. heat radiating type solar cell backboard material according to claim 1, it is characterised in that：The heat filling is by grain Footpath is in 0.5-30 microns of silicon powder, expanded graphite, carbon fiber, aluminum oxide, foamed aluminium, zinc oxide, zinc sulphide, aluminium nitride, nitrogen Change boron, carborundum, magnesia crystal whisker, ZnOw, the one or more of graphene/boron nitride superlattices to mix by any proportioning It is combined into.
3. heat radiating type solar cell backboard material according to claim 1, it is characterised in that：The radiation filler is grain Footpath 0.1-5 microns of carborundum, zirconium oxide, iron oxide, titanium dioxide, carbon black, manganese oxide, chromium oxide, silica one Plant or several by any proportioning mixing composition.
4. heat radiating type solar cell backboard material according to claim 1, it is characterised in that：The coupling agent treatment is Coupling agent is made into 10-30wt% ethanol solution, then the pH to 3-8 for matching somebody with somebody solution is adjusted with acetic acid, heat filling is added In high-speed mixer；Solution is added in high-speed mixer with the mode of spraying again, at 20-60 DEG C with 300-2000rpm high speeds 10-30min is mixed, the heat filling of coupling agent treatment is obtained；Finally heat filling is dried with dynamic seasoning.
5. heat radiating type solar cell backboard material according to claim 5, it is characterised in that：The dynamic seasoning tool Body is：The heat filling of coupling agent treatment in homogenizer with 10-200rpm stirring at low speed, while from homogenizer Bottom blast 40-60 DEG C dry air processing 30-90min so that realize heat filling while stirring, while suspension drying.
6. heat radiating type solar cell backboard material according to claim 1, it is characterised in that：The coupling agent by N- β- (aminoethyl)-γ aminopropyl trimethoxysilanes, γ-aminopropyltriethoxy diethoxy silane, anilinomethyl triethoxysilane, Vinyltrimethoxy silane, Di(dioctylpyrophosphato) ethylene titanate, plant acid type monoalkoxy class titanate esters, γ-aminopropyltrimethoxysilane, 3- propyl-triethoxysilicanes, 3- glycydoxies trimethoxy silane, γ- Methacryloxypropyl trimethoxy silane, N- β-aminoethyl-γ-aminopropyltriethoxy dimethoxysilane, N- (β-ammonia second Base)-gamma-aminopropyl-triethoxy-silane, isopropyl three (dioctyl phosphoric acid acyloxy) titanate esters, (dioctyl is burnt for isopropyl three Phosphoric acid acyloxy) titanate esters, pyrophosphoric acid type monoalkoxy class titanate esters, one kind of compound phosphoric acid type monoalkoxy class metatitanic acid fat or It is several to be constituted by any proportioning mixing.
7. heat radiating type solar cell backboard material according to claim 1, it is characterised in that：The matrix resin is by gathering It is (ethylene naphthalate), PTT, polycaprolactam, polyethylene terephthalate, poly- to benzene Dioctyl phthalate butanediol ester, the one or more of polyamide are by any proportioning mixing composition.
8. heat radiating type solar cell backboard material according to claim 1, it is characterised in that：The modifying agent is by along fourth Enedioic acid acid anhydride, styrene block copolymer, maleic anhydride grafting vinyl acetate copolymer, styrene and glycidyl acrylate Copolymer, m- isopropenyl -2,2- dimethyl benzoyls isocyanates, modified polyacrylate, acrylate and ethylene oxidic ester Bifunctionalized vinyl elastomer, the one or more of the styrene block copolymer of one isoprene of hydrogenated styrene one are by appointing Meaning proportioning mixing composition.Described ultraviolet absorber is by 2-hydroxy-4-n-octoxybenzophenone, 2- (2'- hydroxyls -3', 5'- Two tertiary phenyl) -5- chlorinations BTA, ESCALOL 567,2- [double (the 2,4- 3,5-dimethylphenyls) -1 of 4,6-, 3,5- triazine -2- bases] -5- octyloxies phenol, 2- (4,6- diphenyl -1,3,5- triazines -2) -5- n-hexane epoxides phenol, 2- (2- Hydroxyl -3- tertiary butyl -5- aminomethyl phenyls) -5- chlorobenzotriazoles, 2- (the tertiary amyl phenyl of 2- hydroxyls -3,5- two) BTA One or more are by any proportioning mixing composition.Described ultraviolet light screener by particle diameter 0.1-5 microns of carbon black, zinc oxide, Zinc barium, calcium carbonate, talcum powder, the one or more of lead monoxide are by any proportioning mixing composition.Described antioxidant by four [β- (3,5- di-tert-butyl-hydroxy phenyls) propionic acid] pentaerythritol ester, the double [β-(3- tertiary butyl-4-hydroxies -5- of triethylene-glycol Aminomethyl phenyl) propionic ester], 1,3,5- tri- (3,5- di-tert-butyl-4-hydroxyl benzyls) guanamine, 4,6- (1H, 3H, 5H) three Ketone, 1,3,5- trimethyls -2,4,6- (3,5- di-t-butyl -4- hydroxyphenylmethyls) benzene, three (2,4- di-tert-butyl-phenyls) phosphorous The one or more of acid esters, β-positive octadecanol ester of (3,5- di-tert-butyl-hydroxy phenyls) propionic acid are by any proportioning mixing group Into.
9. heat radiating type solar cell backboard material according to claim 1, it is characterised in that：The fluororesin is by poly- fluorine Ethene, Kynoar, polytrifluorochloroethylene, polytetrafluoroethylene (PTFE), tetrafluoroethene/lithium Propylene interpolymers, ethene/tetrafluoro second Alkene EVA, ethene/trichlorine PVF EVA, tetrafluoroethene/mistake ethylene fluoride EVA, tetrafluoroethylene-perfluoro alkyl second The one or more of alkenyl ether copolymer are by any proportioning mixing composition.Described curing agent is by toluene di-isocyanate(TDI) trimerization Body, toluene di-isocyanate(TDI) performed polymer, hexamethylene diisocyanate trimer, hexamethylene diisocyanate biruet, two Phenylmethane diisocyanate trimer, isophorone diisocyanate trimer, IPDI performed polymer, different Buddhist That ketone diisocyanate-trimethylolpropane methanol thing, toluene di-isocyanate(TDI)-trimethylolpropane addition product, toluene two are different The one or more of cyanate-dihydric alcohol addition product are by any proportioning mixing composition.
10. the preparation method of heat radiating type solar cell backboard material described in a kind of claim 1, it is characterised in that：This method Comprise the following steps：
(1) coupling agent is made into 10-30wt% ethanol solution, and the pH for matching somebody with somebody solution is adjusted in 3-8 with acetic acid, it is standby.
(2) heat filling is added into high-speed mixer, the solution for then preparing step 1 adds mixed at a high speed by the way of spraying In conjunction machine, 20-60 DEG C with 300-2000rpm mixed at high speed about 10-30min after, then dried with dynamic seasoning, i.e., in low speed 40-60 DEG C of dry air is passed through under 10-200rpm stirrings and dries about 30-90min, produces the heat filling of coupling agent treatment.
(3) by matrix resin add high-speed mixer in, add the heat filling of step 2 coupling agent treatment, in 20-60 DEG C with After 300-2000rpm mixed at high speed about 10-30min, modifying agent, ultraviolet absorber, ultraviolet light screener and antioxygen are sequentially added Agent, then 300-2000rpm mixed at high speed discharge after about 5-20 minutes, obtain compound.
(4) compound is subjected to melting extrusion granulation, corresponding screw pelletizer temperature control is in 180-350 DEG C, rotating speed 100- 300rpm, obtains granulation material.
(5) described heat conduction supporting layer, the temperature of extruder are obtained after granulation material being carried out into melting extrusion, stretching by extruder Control is at 200-350 DEG C, and rotating speed is in 100-300rpm.
(6) fluororesin, radiation filler, curing agent are mixed, obtains coating.
(7) it is coated and cured at a temperature of 100-200 DEG C of the coating as obtained by the technique such as spraying or blade coating by step 6 to be supported in heat conduction Layer surface, forms one layer of heat radiation weathering layer, obtains heat radiating type solar cell backboard material.
CN201710317335.XA 2017-05-05 2017-05-05 A kind of heat radiating type solar cell backboard material and preparation method Pending CN107163511A (en)

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CN116190477A (en) * 2023-04-17 2023-05-30 晶科能源(海宁)有限公司 Ultraviolet-resistant photovoltaic module
CN117025208A (en) * 2023-10-10 2023-11-10 江苏鹿山新材料有限公司 Composite light conversion powder, preparation method thereof and light conversion adhesive film
CN117025208B (en) * 2023-10-10 2023-12-08 江苏鹿山新材料有限公司 Composite light conversion powder, preparation method thereof and light conversion adhesive film

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