CN112670362B - Anti-ultraviolet heat-conducting solar backboard - Google Patents
Anti-ultraviolet heat-conducting solar backboard Download PDFInfo
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- CN112670362B CN112670362B CN202011598788.2A CN202011598788A CN112670362B CN 112670362 B CN112670362 B CN 112670362B CN 202011598788 A CN202011598788 A CN 202011598788A CN 112670362 B CN112670362 B CN 112670362B
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- polyethylene
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- 230000031700 light absorption Effects 0.000 claims abstract description 11
- -1 polyethylene Polymers 0.000 claims description 51
- 239000000945 filler Substances 0.000 claims description 33
- 239000004743 Polypropylene Substances 0.000 claims description 29
- 229920001155 polypropylene Polymers 0.000 claims description 25
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical group [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 18
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 15
- 239000004698 Polyethylene Substances 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 14
- 229920000573 polyethylene Polymers 0.000 claims description 14
- 239000002041 carbon nanotube Substances 0.000 claims description 13
- 229910021393 carbon nanotube Inorganic materials 0.000 claims description 13
- 239000003963 antioxidant agent Substances 0.000 claims description 11
- 230000003078 antioxidant effect Effects 0.000 claims description 11
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 10
- 239000002135 nanosheet Substances 0.000 claims description 9
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 8
- 239000004611 light stabiliser Substances 0.000 claims description 8
- QUAMTGJKVDWJEQ-UHFFFAOYSA-N octabenzone Chemical compound OC1=CC(OCCCCCCCC)=CC=C1C(=O)C1=CC=CC=C1 QUAMTGJKVDWJEQ-UHFFFAOYSA-N 0.000 claims description 8
- 229920005672 polyolefin resin Polymers 0.000 claims description 8
- ZQBAKBUEJOMQEX-UHFFFAOYSA-N salicylic acid phenyl ester Natural products OC1=CC=CC=C1C(=O)OC1=CC=CC=C1 ZQBAKBUEJOMQEX-UHFFFAOYSA-N 0.000 claims description 8
- 229940116351 sebacate Drugs 0.000 claims description 8
- CXMXRPHRNRROMY-UHFFFAOYSA-L sebacate(2-) Chemical compound [O-]C(=O)CCCCCCCCC([O-])=O CXMXRPHRNRROMY-UHFFFAOYSA-L 0.000 claims description 8
- 239000000654 additive Substances 0.000 claims description 7
- 230000000996 additive effect Effects 0.000 claims description 7
- 229920005629 polypropylene homopolymer Polymers 0.000 claims description 7
- IKEHOXWJQXIQAG-UHFFFAOYSA-N 2-tert-butyl-4-methylphenol Chemical compound CC1=CC=C(O)C(C(C)(C)C)=C1 IKEHOXWJQXIQAG-UHFFFAOYSA-N 0.000 claims description 6
- 239000006097 ultraviolet radiation absorber Substances 0.000 claims description 5
- DKCPKDPYUFEZCP-UHFFFAOYSA-N 2,6-di-tert-butylphenol Chemical group CC(C)(C)C1=CC=CC(C(C)(C)C)=C1O DKCPKDPYUFEZCP-UHFFFAOYSA-N 0.000 claims description 4
- NQRYJNQNLNOLGT-UHFFFAOYSA-N Piperidine Chemical compound C1CCNCC1 NQRYJNQNLNOLGT-UHFFFAOYSA-N 0.000 claims description 4
- 229920001400 block copolymer Polymers 0.000 claims description 4
- 229920001577 copolymer Polymers 0.000 claims description 4
- 238000001125 extrusion Methods 0.000 claims description 4
- GNOIPBMMFNIUFM-UHFFFAOYSA-N hexamethylphosphoric triamide Chemical compound CN(C)P(=O)(N(C)C)N(C)C GNOIPBMMFNIUFM-UHFFFAOYSA-N 0.000 claims description 4
- 229920000092 linear low density polyethylene Polymers 0.000 claims description 4
- 239000004707 linear low-density polyethylene Substances 0.000 claims description 4
- 239000000395 magnesium oxide Substances 0.000 claims description 4
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 4
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims description 4
- 229920001179 medium density polyethylene Polymers 0.000 claims description 4
- 239000004701 medium-density polyethylene Substances 0.000 claims description 4
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 4
- OJMIONKXNSYLSR-UHFFFAOYSA-N phosphorous acid Chemical compound OP(O)O OJMIONKXNSYLSR-UHFFFAOYSA-N 0.000 claims description 4
- 229920005606 polypropylene copolymer Polymers 0.000 claims description 4
- 229920005604 random copolymer Polymers 0.000 claims description 4
- 239000011787 zinc oxide Substances 0.000 claims description 4
- NLZUEZXRPGMBCV-UHFFFAOYSA-N Butylhydroxytoluene Chemical group CC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 NLZUEZXRPGMBCV-UHFFFAOYSA-N 0.000 claims description 3
- 239000002250 absorbent Substances 0.000 claims description 3
- 230000002745 absorbent Effects 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- 239000007822 coupling agent Substances 0.000 claims description 3
- ZXDDPOHVAMWLBH-UHFFFAOYSA-N 2,4-Dihydroxybenzophenone Chemical compound OC1=CC(O)=CC=C1C(=O)C1=CC=CC=C1 ZXDDPOHVAMWLBH-UHFFFAOYSA-N 0.000 claims description 2
- ZMWRRFHBXARRRT-UHFFFAOYSA-N 2-(benzotriazol-2-yl)-4,6-bis(2-methylbutan-2-yl)phenol Chemical compound CCC(C)(C)C1=CC(C(C)(C)CC)=CC(N2N=C3C=CC=CC3=N2)=C1O ZMWRRFHBXARRRT-UHFFFAOYSA-N 0.000 claims description 2
- ZSSVCEUEVMALRD-UHFFFAOYSA-N 2-[4,6-bis(2,4-dimethylphenyl)-1,3,5-triazin-2-yl]-5-(octyloxy)phenol Chemical compound OC1=CC(OCCCCCCCC)=CC=C1C1=NC(C=2C(=CC(C)=CC=2)C)=NC(C=2C(=CC(C)=CC=2)C)=N1 ZSSVCEUEVMALRD-UHFFFAOYSA-N 0.000 claims description 2
- XDLMVUHYZWKMMD-UHFFFAOYSA-N 3-trimethoxysilylpropyl 2-methylprop-2-enoate Chemical compound CO[Si](OC)(OC)CCCOC(=O)C(C)=C XDLMVUHYZWKMMD-UHFFFAOYSA-N 0.000 claims description 2
- QRLSTWVLSWCGBT-UHFFFAOYSA-N 4-((4,6-bis(octylthio)-1,3,5-triazin-2-yl)amino)-2,6-di-tert-butylphenol Chemical compound CCCCCCCCSC1=NC(SCCCCCCCC)=NC(NC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=N1 QRLSTWVLSWCGBT-UHFFFAOYSA-N 0.000 claims description 2
- CMBRHCVQODXRRS-UHFFFAOYSA-N 4-n-butan-2-ylbenzene-1,4-diamine Chemical compound CCC(C)NC1=CC=C(N)C=C1 CMBRHCVQODXRRS-UHFFFAOYSA-N 0.000 claims description 2
- 239000004322 Butylated hydroxytoluene Substances 0.000 claims description 2
- GHKOFFNLGXMVNJ-UHFFFAOYSA-N Didodecyl thiobispropanoate Chemical compound CCCCCCCCCCCCOC(=O)CCSCCC(=O)OCCCCCCCCCCCC GHKOFFNLGXMVNJ-UHFFFAOYSA-N 0.000 claims description 2
- XBDQKXXYIPTUBI-UHFFFAOYSA-M Propionate Chemical compound CCC([O-])=O XBDQKXXYIPTUBI-UHFFFAOYSA-M 0.000 claims description 2
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 claims description 2
- BGNXCDMCOKJUMV-UHFFFAOYSA-N Tert-Butylhydroquinone Chemical group CC(C)(C)C1=CC(O)=CC=C1O BGNXCDMCOKJUMV-UHFFFAOYSA-N 0.000 claims description 2
- 239000007983 Tris buffer Substances 0.000 claims description 2
- RZSDSZALSKNQGP-UHFFFAOYSA-N [4-(5-chlorobenzotriazol-2-yl)-3-hydroxyphenyl]-phenylmethanone Chemical compound OC1=C(C=CC(=C1)C(C1=CC=CC=C1)=O)N1N=C2C(=N1)C=CC(=C2)Cl RZSDSZALSKNQGP-UHFFFAOYSA-N 0.000 claims description 2
- 150000001412 amines Chemical class 0.000 claims description 2
- OCWYEMOEOGEQAN-UHFFFAOYSA-N bumetrizole Chemical compound CC(C)(C)C1=CC(C)=CC(N2N=C3C=C(Cl)C=CC3=N2)=C1O OCWYEMOEOGEQAN-UHFFFAOYSA-N 0.000 claims description 2
- 229940095259 butylated hydroxytoluene Drugs 0.000 claims description 2
- 239000002131 composite material Substances 0.000 claims description 2
- IXQMGECVDWVOFK-UHFFFAOYSA-N dichloromethyl(triethoxy)silane Chemical compound CCO[Si](OCC)(OCC)C(Cl)Cl IXQMGECVDWVOFK-UHFFFAOYSA-N 0.000 claims description 2
- MCPKSFINULVDNX-UHFFFAOYSA-N drometrizole Chemical compound CC1=CC=C(O)C(N2N=C3C=CC=CC3=N2)=C1 MCPKSFINULVDNX-UHFFFAOYSA-N 0.000 claims description 2
- FWDBOZPQNFPOLF-UHFFFAOYSA-N ethenyl(triethoxy)silane Chemical compound CCO[Si](OCC)(OCC)C=C FWDBOZPQNFPOLF-UHFFFAOYSA-N 0.000 claims description 2
- NKSJNEHGWDZZQF-UHFFFAOYSA-N ethenyl(trimethoxy)silane Chemical compound CO[Si](OC)(OC)C=C NKSJNEHGWDZZQF-UHFFFAOYSA-N 0.000 claims description 2
- WOXXJEVNDJOOLV-UHFFFAOYSA-N ethenyl-tris(2-methoxyethoxy)silane Chemical compound COCCO[Si](OCCOC)(OCCOC)C=C WOXXJEVNDJOOLV-UHFFFAOYSA-N 0.000 claims description 2
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 2
- UMXXGDJOCQSQBV-UHFFFAOYSA-N n-ethyl-n-(triethoxysilylmethyl)ethanamine Chemical compound CCO[Si](OCC)(OCC)CN(CC)CC UMXXGDJOCQSQBV-UHFFFAOYSA-N 0.000 claims description 2
- DXGLGDHPHMLXJC-UHFFFAOYSA-N oxybenzone Chemical compound OC1=CC(OC)=CC=C1C(=O)C1=CC=CC=C1 DXGLGDHPHMLXJC-UHFFFAOYSA-N 0.000 claims description 2
- NFHFRUOZVGFOOS-UHFFFAOYSA-N palladium;triphenylphosphane Chemical compound [Pd].C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 NFHFRUOZVGFOOS-UHFFFAOYSA-N 0.000 claims description 2
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical group OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 claims description 2
- GDESWOTWNNGOMW-UHFFFAOYSA-N resorcinol monobenzoate Chemical compound OC1=CC=CC(OC(=O)C=2C=CC=CC=2)=C1 GDESWOTWNNGOMW-UHFFFAOYSA-N 0.000 claims description 2
- 238000010345 tape casting Methods 0.000 claims description 2
- 239000004250 tert-Butylhydroquinone Chemical group 0.000 claims description 2
- 235000019281 tert-butylhydroquinone Nutrition 0.000 claims description 2
- ALVYUZIFSCKIFP-UHFFFAOYSA-N triethoxy(2-methylpropyl)silane Chemical compound CCO[Si](CC(C)C)(OCC)OCC ALVYUZIFSCKIFP-UHFFFAOYSA-N 0.000 claims description 2
- CPUDPFPXCZDNGI-UHFFFAOYSA-N triethoxy(methyl)silane Chemical compound CCO[Si](C)(OCC)OCC CPUDPFPXCZDNGI-UHFFFAOYSA-N 0.000 claims description 2
- JCVQKRGIASEUKR-UHFFFAOYSA-N triethoxy(phenyl)silane Chemical compound CCO[Si](OCC)(OCC)C1=CC=CC=C1 JCVQKRGIASEUKR-UHFFFAOYSA-N 0.000 claims description 2
- ZNOCGWVLWPVKAO-UHFFFAOYSA-N trimethoxy(phenyl)silane Chemical compound CO[Si](OC)(OC)C1=CC=CC=C1 ZNOCGWVLWPVKAO-UHFFFAOYSA-N 0.000 claims description 2
- UHOVQNZJYSORNB-UHFFFAOYSA-N monobenzene Natural products C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 claims 4
- FEXBEKLLSUWSIM-UHFFFAOYSA-N 2-Butyl-4-methylphenol Chemical group CCCCC1=CC(C)=CC=C1O FEXBEKLLSUWSIM-UHFFFAOYSA-N 0.000 claims 1
- QSHVAZMOLNGWSY-UHFFFAOYSA-N 3-butyl-4-methoxyphenol Chemical group CCCCC1=CC(O)=CC=C1OC QSHVAZMOLNGWSY-UHFFFAOYSA-N 0.000 claims 1
- 235000010354 butylated hydroxytoluene Nutrition 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 claims 1
- 230000006750 UV protection Effects 0.000 abstract description 3
- 238000012546 transfer Methods 0.000 abstract description 3
- 239000010410 layer Substances 0.000 description 39
- XBDQKXXYIPTUBI-UHFFFAOYSA-N dimethylselenoniopropionate Natural products CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 5
- 238000002156 mixing Methods 0.000 description 5
- 239000000306 component Substances 0.000 description 4
- 238000010248 power generation Methods 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 230000032683 aging Effects 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 235000019260 propionic acid Nutrition 0.000 description 3
- IUVKMZGDUIUOCP-BTNSXGMBSA-N quinbolone Chemical compound O([C@H]1CC[C@H]2[C@H]3[C@@H]([C@]4(C=CC(=O)C=C4CC3)C)CC[C@@]21C)C1=CCCC1 IUVKMZGDUIUOCP-BTNSXGMBSA-N 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 239000011231 conductive filler Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 229910021389 graphene Inorganic materials 0.000 description 2
- 229920001684 low density polyethylene Polymers 0.000 description 2
- 239000004702 low-density polyethylene Substances 0.000 description 2
- 239000002861 polymer material Substances 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- ZEBMSMUPGIOANU-UHFFFAOYSA-N (3,5-ditert-butyl-4-hydroxyphenyl)methylphosphonic acid Chemical compound CC(C)(C)C1=CC(CP(O)(O)=O)=CC(C(C)(C)C)=C1O ZEBMSMUPGIOANU-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- CZBZUDVBLSSABA-UHFFFAOYSA-N butylated hydroxyanisole Chemical compound COC1=CC=C(O)C(C(C)(C)C)=C1.COC1=CC=C(O)C=C1C(C)(C)C CZBZUDVBLSSABA-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- IDGUHHHQCWSQLU-UHFFFAOYSA-N ethanol;hydrate Chemical compound O.CCO IDGUHHHQCWSQLU-UHFFFAOYSA-N 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- VTHOKNTVYKTUPI-UHFFFAOYSA-N triethoxy-[3-(3-triethoxysilylpropyltetrasulfanyl)propyl]silane Chemical compound CCO[Si](OCC)(OCC)CCCSSSSCCC[Si](OCC)(OCC)OCC VTHOKNTVYKTUPI-UHFFFAOYSA-N 0.000 description 1
- 229940124543 ultraviolet light absorber Drugs 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
- Laminated Bodies (AREA)
Abstract
The invention discloses an ultraviolet-resistant heat-conducting solar backboard, which consists of an A/B/C layer, wherein the A layer is a light absorption layer, the B layer is a heat-conducting layer, and the C layer is a supporting layer. The ultraviolet-resistant heat-conducting solar backboard can absorb ultraviolet rays and transfer heat through good heat-conducting performance, so that the ultraviolet-resistant heat-conducting solar backboard has excellent ultraviolet resistance and damp-heat resistance.
Description
Technical Field
The invention relates to the technical field of solar cell backboard materials, in particular to an ultraviolet-resistant heat-conducting solar backboard.
Background
Currently, with the depletion of non-renewable energy sources and increasing environmental problems, solar energy as a clean energy source has received unprecedented attention and importance. Solar power generation (also called photovoltaic power generation) is one of the main ways to effectively use solar energy, and as a core component of solar power generation, the reliability of a solar cell (also called photovoltaic cell) directly determines the efficiency of solar power generation.
In the prior art, a solar cell generally comprises an upper cover plate, a glue film, a cell piece, a glue film and a solar backboard. The backboard is an important part of the solar cell, plays a role in bonding and packaging a structure of the solar cell module, protects the solar cell, prevents water vapor from penetrating, improves the humidity and heat aging resistance and the photoelectric conversion efficiency of the solar cell, and prolongs the service life of the solar cell.
In the prior art, for photovoltaic modules, a portion of sunlight is absorbed by the silicon cell plate and converted into electrical energy, and a portion of sunlight falls onto the back plate assembly through grid slits of the cell plate. The solar light has a destructive effect on the organic compound from visible light to ultraviolet light (especially ultraviolet light), the wavelength of the light wave is in the range of 200-760 nm, wherein the wave band of 400-760 nm is the visible light part, and the wave band of 200-400 nm is the ultraviolet light part. Ultraviolet light has shorter wavelength and higher energy, has strong destructiveness on materials, particularly high polymer materials, and because the back plate is the high polymer material in the component package, the ageing in the open air usually occurs under the combined action of ultraviolet rays, temperature and humidity, so that the improvement of the ultraviolet resistance of the back plate is important. Therefore, the development of a new back plate to absorb ultraviolet light and transfer heat through good heat conducting properties is clearly of positive practical significance.
Disclosure of Invention
The invention aims to provide an ultraviolet-resistant heat-conducting solar backboard.
In order to achieve the aim of the invention, the invention adopts the following technical scheme: an ultraviolet-resistant heat-conducting solar backboard is composed of an A/B/C layer, wherein the A layer is a light absorption layer, the B layer is a heat-conducting layer, and the C layer is a supporting layer;
the total thickness of the backboard is 0.1-0.4 mm, and the mass ratio of the layer A to the layer B to the layer C is 10-40: 10-20: 40-80 parts;
wherein the layer A comprises the following components in parts by mass:
100 parts of polyolefin resin
5-30 parts of light-absorbing filler
0.1-5 parts of antioxidant;
the polyolefin resin is selected from polyethylene and polypropylene, and the mass ratio of the polyethylene to the polypropylene is more than 1:1, a step of; wherein the polyethylene is selected from one or more of linear low-density polyethylene, medium-density polyethylene or copolymers thereof; the polypropylene is selected from one or more of homo-polypropylene, random copolymer polypropylene and block copolymer polypropylene; the light-absorbing filler is black phosphorus nano-sheets, black phosphorus and carbon nano-tubes, and the mass ratio of the three fillers is 1-4: 1-2: 1 to 4 percent of the total weight of the composite,
the layer B comprises the following components in parts by mass:
100 parts of polyolefin resin
10-30 parts of heat conducting filler
0.1-5 parts of additive;
the polyolefin resin is selected from polyethylene and polypropylene, and the mass ratio of the polyethylene to the polypropylene is less than 1:2; wherein the polyethylene is selected from one or more of linear low-density polyethylene, medium-density polyethylene or copolymers thereof; the polypropylene is selected from one or more of homo-polypropylene, random copolymer polypropylene and block copolymer polypropylene; the heat conducting filler is selected from one or more of carbon nano tubes, magnesium oxide, aluminum oxide and zinc oxide, and is a filler pretreated by a silane coupling agent; the additive is one or more selected from antioxidant, ultraviolet absorber and light stabilizer;
the layer C comprises the following components in parts by mass:
the polypropylene is selected from one or two of homo-polypropylene, block-copolymerized polypropylene and random-copolymerized polypropylene; the heat conducting filler is selected from one or more of carbon nano tubes, magnesium oxide, aluminum oxide and zinc oxide, and is a filler pretreated by a silane coupling agent; the additive is one or more selected from antioxidant, ultraviolet absorber and light stabilizer.
Preferably, the antioxidant is selected from bis (3, 5-tert-butyl-4-hydroxyphenyl) sulfide, 2, 6-tert-butyl-4-methylphenol, 2, 8-di-tert-butyl-4-methylphenol, pentaerythritol tetrakis [ beta- (3 ',5' -di-tert-butyl-4-hydroxyphenyl) propionate ], tert-butyl-p-hydroxyanisole, 2, 6-di-tert-butylated hydroxytoluene, tert-butylhydroquinone, 2, 6-di-tert-butylphenol, 2' -thiobis (4-methyl-6-tert-butylphenol), sec-butylp-phenylenediamine, 4' -methylenebis (2, 6-di-tert-butylphenol), 2' -methylenebis- (4-methyl-6-tert-butylphenol), didodecyl thiodipropionate, 2, 6-di-tert-butyl-p-methylphenol, 3, 5-di-tert-butyl-4-hydroxybenzylphosphonate, 4- [ (4, 6-dioctylthio-1, 3, 5-triazin-2-yl) amino ] -2, 6-di-tert-butylphenol, 1, 5-tri-tert-butyl-4-hydroxybenzyl-4-tri-hydroxybenzyl-4-ol or several.
Preferably, the ultraviolet light absorber is selected from one or more of phenyl o-hydroxybenzoate, 2- (2 ' -hydroxy-5 ' -methylphenyl) benzotriazole, 2, 4-dihydroxybenzophenone, 2-hydroxy-4-methoxybenzophenone, 2-hydroxy-4-n-octoxybenzophenone, resorcinol monobenzoate, phenyl o-hydroxybenzoate, 2- (2-hydroxy-3-tert-butyl-5-methylphenyl) -5-chlorobenzotriazole, 2- (2 ' -hydroxy-3 ',5' -di-tert-phenyl) -5-chlorobenzotriazole, 2- (2-hydroxy-3, 5-di-tert-pentylphenyl) benzotriazole, 2- (2 ' -hydroxy-4 ' -benzoylphenyl) -5 chloro-2H-benzotriazole, 2- (4, 6-bis (2, 4-dimethylphenyl) -1,3, 5-triazin-2-yl) -5-octoxyphenol, 2- (4, 6-diphenyl-1, 3, 5-triazin-2) -5-n-hexyloxyphenol.
Preferably, the light stabilizer is selected from the group consisting of bis (2, 6-tetramethyl-4-piperidinyl) sebacate, tris (1, 2,6, pentamethylpiperidinyl) phosphite, hexamethylphosphoric triamide, 4-benzoyloxy-2, 6, pentamethylpiperidinyl) phosphite, hexamethylphosphoric triamide 4-benzoyloxy-2, 6, -tetramethyl-piperidinyl) ] } imino, poly [6- [ (1, 3-tetramethylbutyl) amine ] -1,3, 5-triazin-2, 4-diyl ] (2, 6-tetramethyl) piperidine one or more of 1- (methyl) -8- (1, 2, 6-pentamethyl-4-piperidine) sebacate and bis (1-octyloxy-2, 6-tetramethyl-4-piperidyl) sebacate.
Preferably, the coupling agent in each layer is selected from one or more of vinyl trimethoxy silane, vinyl triethoxy silane, isobutyl triethoxy silane, vinyl tri (beta-methoxyethoxy) silane, gamma-methacryloxypropyl trimethoxy silane, diethylaminomethyl triethoxy silane, dichloromethyl triethoxy silane, bis (gamma-triethoxysilylpropyl) -tetrasulfide, phenyl trimethoxy silane, phenyl triethoxy silane and methyl triethoxy silane.
A preparation method of an ultraviolet-resistant heat-conducting solar backboard comprises the following steps:
and respectively adding the materials of the A/B/C layers into the A screw, the B screw and the C screw of the three-layer coextrusion sheet machine set according to the mass ratio of the A layer to the B layer to the C layer, simultaneously carrying out melt extrusion in a screw extruder, and carrying out tape casting, cooling, traction and coiling to obtain the ultraviolet-resistant heat-conducting solar backboard.
The working mechanism of the invention is as follows: black phosphorus is a very good light absorbing black material, which is a three-dimensional multilayer structure formed by stacking different BP layers together by some van der waals interactions. In two-dimensional materials, the absorption of light is described in terms of two-dimensional photoconduction. Wherein band edge absorption is determined by the number of sub-bands involved in the optical transition. In N-layer graphene, N pairs of energy bands participate, so photoconduction is Nsigma 0 I.e., N times the monolayer. In black phosphorus, however, only 1 pair of sub-bands participate, so photoconductivity is sigma 0 The method comprises the steps of carrying out a first treatment on the surface of the For excitons, the fewer the number of layers, the weaker the dielectric barrier and the stronger the quantum confinement effect, so the greater the "attractive" of electrons and holes, resulting in stronger absorption. Thus, in contrast to graphene, the fewer the number of layers of black phosphorus, the better the ultraviolet light absorption performance. According to the invention, the two-dimensional black phosphorus nano sheet prepared by adopting the mechanical stripping method is mixed with the black phosphorus and the carbon nano tube filler by utilizing the shearing action, three black materials with different microscopic forms of two-dimensional sheet, three-dimensional layer and pipeline are mixed and are not easy to agglomerate, and the layer A has good ultraviolet absorption performance and can conduct heat well due to the existence of the carbon nano tube, and the heat can be emitted well through the heat conduction passage formed by the heat conduction filler in the layer B and the layer C. The extra ultraviolet light is absorbed by the layer A and then converted into heat which is emitted through the B, C layer of the backboard.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages:
1. the invention develops a novel ultraviolet-resistant heat-conducting solar backboard, which can absorb ultraviolet rays and transfer heat through good heat-conducting property, so that the backboard has excellent ultraviolet resistance and damp-heat resistance, and experiments prove that the backboard has obvious effects;
2. the backboard provided by the invention has good light absorption performance and heat conduction performance, and meets the requirements of cohesiveness, barrier property, rigidity and the like required by a photovoltaic backboard;
3. the preparation process is simple and feasible, has low cost and is suitable for popularization and application.
Detailed Description
The invention is further described below with reference to examples:
example 1
A solar back sheet having an a/B/C three-layer structure;
mixing a certain amount of three fillers of black phosphorus nano-sheets, black phosphorus and carbon nano-tubes (Nanjing Xianfeng nano-materials Co., ltd.) in a shearing mixer, wherein the mass ratio of the three fillers is 1:1:3. Weighing a certain amount of silane coupling agent KH550 (1% of the weight of the light-absorbing filler), and adding a small amount of ethanol water solution; placing the mixed light-absorbing filler in a high-speed mixer, heating to 60 ℃ while stirring at a high speed, dropwise adding a coupling agent solution, continuously mixing at a high speed for 20min, and drying to obtain a silane coupling agent pretreated filler;
(1) Layer a structure: uniformly mixing 20 parts of pretreated light-absorbing filler, 60 parts of low-density polyethylene LD100BW (Beijing Yanshan petrochemical company), 40 parts of homo-polypropylene 1300 (Beijing Yanshan petrochemical company) and 0.2 part of antioxidant tetra [ beta- (3 ',5' -di-tert-butyl-4 ' -hydroxyphenyl) propionic acid ] pentaerythritol ester (Beijing addition aid institute, KY 1010), and then putting into an A screw of an extruder, wherein the diameter of the screw is 75mm, and the length-diameter ratio is 30;
(2) B layer structure: adding 10 parts of carbon nano tube, 10 parts of spherical alumina and 0.2 part of silane coupling agent KH550 into a high-speed mixer, and stirring for 30 minutes to obtain a filler pretreated by the silane coupling agent; then uniformly mixing the pretreated filler with 70 parts of block copolymerized polypropylene K8303 (Beijing Yanshan petrochemical company), 30 parts of low density polyethylene LD100BW, 0.1 part of antioxidant tetra [ beta- (3 ',5' -di-tert-butyl-4 ' -hydroxyphenyl) propionic acid ] pentaerythritol ester, 0.2 part of ultraviolet absorbent 2-hydroxy-4-n-octoxybenzophenone and 0.2 part of light stabilizer bis (2, 6-tetramethyl-4-piperidinyl) sebacate, and putting the uniformly mixed materials into a B screw of an extruder, wherein the diameter of the screw is 75mm, and the length-diameter ratio is 30;
(3) And (3) an outer layer structure: adding 10 parts of carbon nano tube, 10 parts of spherical alumina and 0.2 part of silane coupling agent KH550 into a high-speed mixer, and stirring for 30 minutes to obtain a filler pretreated by the silane coupling agent; then uniformly mixing the pretreated filler with 100 parts of block copolymerized polypropylene K8303 (Beijing Yanshan petrochemical company), 10 parts of grafted polyethylene, 0.1 part of antioxidant tetra [ beta- (3 ',5' -di-tert-butyl-4 ' -hydroxyphenyl) propionic acid ] pentaerythritol ester, 0.2 part of ultraviolet absorbent 2-hydroxy-4-n-octoxybenzophenone and 0.2 part of light stabilizer bis (2, 6-tetramethyl-4-piperidinyl) sebacate, and putting the uniformly mixed materials into a C screw of an extruder, wherein the diameter of the screw is 75mm, and the length-diameter ratio of the screw is 30;
(4) And simultaneously carrying out melt extrusion on the A, B, C materials in a screw extruder, controlling the temperature to be 180-240 ℃, controlling the rotating speed to be 100 rpm, keeping the materials in the screw for 2-4 minutes, distributing the three layers of materials in a distributor in a proportion of 20/10/40, then feeding the three layers of materials into a T-type die for extrusion, and carrying out cooling, traction, coiling and other procedures to obtain a finished product S1, wherein the thickness of the finished product is 0.3mm.
The second to fourth examples all use the same materials and preparation methods as the first example except that the mass ratio of the light absorbing filler is different, wherein the second example is 2:1:2, the third example is 3:1:1, and the fourth example is 1:2:2. The A-layer light absorption filler of the first comparative example does not contain two-dimensional black phosphorus nano sheets, and the mass ratio of the black phosphorus to the carbon nano tubes is 1:1; the light absorption filler of the layer A of the second comparative example does not contain black phosphorus, and the mass ratio of the black phosphorus nano-sheets to the carbon nano-tubes is 1:1; the B, C layer of comparative example three contained no thermally conductive filler. Specific test data are presented in the following table:
from the above table, the ultraviolet light absorption capacity of the back plate is affected by changing the content of the two-dimensional black phosphorus nano-sheets in the formula of the light absorption filler in the raw materials, and when the content of the two-dimensional black phosphorus nano-sheets is larger, the ratio of the two-dimensional black phosphorus nano-sheets is 100 to 500kWhr/m 2 Has higher ultraviolet aging resistance under the illumination condition. By having a thermal conductivity greater than 0.6K (w/m.k) for the backsheet as compared to comparative example 3, and a thermal conductivity less than 0.1K (w/m.k) for comparative example 3, it is demonstrated that the backsheet is not thermally conductive when the B, C layer lacks thermal conductive filler and therefore also affects the uv and wet thermal resistance of the backsheet.
The back plate prepared by the invention has good light absorption performance and heat conduction performance, and meets the requirements of cohesiveness, barrier property, rigidity and the like required by the photovoltaic back plate.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (6)
1. An anti-ultraviolet heat conduction solar backboard is composed of an A/B/C three layer, and is characterized in that: the layer A is a light absorption layer, the layer B is a heat conduction layer, and the layer C is a supporting layer;
the total thickness of the backboard is 0.1-0.4 mm, and the mass ratio of the layer A to the layer B to the layer C is 10-40: 10-20: 40-80 parts;
wherein the layer A comprises the following components in parts by mass:
100 parts of polyolefin resin
5-30 parts of light-absorbing filler
0.1-5 parts of antioxidant;
the polyolefin resin is selected from polyethylene and polypropylene, and the mass ratio of the polyethylene to the polypropylene is more than 1:1, a step of; wherein the polyethylene is selected from one or more of linear low-density polyethylene, medium-density polyethylene or copolymers thereof; the polypropylene is selected from one or more of homo-polypropylene, random copolymer polypropylene and block copolymer polypropylene; the light-absorbing filler is black phosphorus nano-sheets, black phosphorus and carbon nano-tubes, and the mass ratio of the three fillers is 1-4: 1-2: 1 to 4 percent of the total weight of the composite,
the layer B comprises the following components in parts by mass:
100 parts of polyolefin resin
10-30 parts of heat conducting filler
0.1-5 parts of additive;
the polyolefin resin is selected from polyethylene and polypropylene, and the mass ratio of the polyethylene to the polypropylene is less than 1:2; wherein the polyethylene is selected from one or more of linear low-density polyethylene, medium-density polyethylene or copolymers thereof; the polypropylene is selected from one or more of homo-polypropylene, random copolymer polypropylene and block copolymer polypropylene; the heat conducting filler is selected from one or more of carbon nano tubes, magnesium oxide, aluminum oxide and zinc oxide, and is a filler pretreated by a silane coupling agent; the additive is one or more selected from antioxidant, ultraviolet absorber and light stabilizer;
the layer C comprises the following components in parts by mass:
polypropylene 100 parts
1 to 30 parts of grafted polyethylene
0.5 to 20 parts of heat conducting filler
0.1-5 parts of additive;
the polypropylene is selected from one or two of homo-polypropylene, block-copolymerized polypropylene and random-copolymerized polypropylene; the heat conducting filler is selected from one or more of carbon nano tubes, magnesium oxide, aluminum oxide and zinc oxide, and is a filler pretreated by a silane coupling agent; the additive is one or more selected from antioxidant, ultraviolet absorber and light stabilizer.
2. The ultraviolet resistant thermally conductive solar back sheet of claim 1, wherein: the antioxidant is selected from bis (3, 5-tertiary butyl-4-hydroxyphenyl) sulfide, 2, 6-tertiary butyl-4-methylphenol, 2, 8-di-tertiary butyl-4-methylphenol, pentaerythritol tetrakis [ beta- (3 ',5' -di-tertiary butyl-4-hydroxyphenyl) propionate ], tertiary butyl p-hydroxyanisole, 2, 6-di-tertiary butylated hydroxytoluene, tertiary butyl hydroquinone, 2, 6-di-tertiary butylphenol, 2' -thiobis (4-methyl-6-t-butylphenol), sec-butyl-p-phenylenediamine, 4' -methylenebis (2, 6-di-tertiary butylphenol), 2' -methylenebis- (4-methyl-6-tertiary butylphenol), didodecyl thiodipropionate, 2, 6-di-tertiary butyl-p-methylphenol, 3, 5-di-tertiary butyl-4-hydroxybenzyl diethyl phosphonate, 4- [ (4, 6-dioctylthio-1, 3, 5-triazin-2-yl) amino ] -2, 6-di-tertiary butyl phenol, 1, 5-trimethyl-2, 5-tri-4-hydroxybenzyl benzene or several of 3, 5-tri-hydroxybenzyl benzene.
3. The ultraviolet resistant thermally conductive solar back sheet of claim 1, wherein: the ultraviolet absorbent is selected from one or more of phenyl o-hydroxybenzoate, 2- (2 ' -hydroxy-5 ' -methylphenyl) benzotriazole, 2, 4-dihydroxybenzophenone, 2-hydroxy-4-methoxybenzophenone, 2-hydroxy-4-n-octoxybenzophenone, resorcinol monobenzoate, phenyl o-hydroxybenzoate, 2- (2-hydroxy-3-tert-butyl-5-methylphenyl) -5-chlorobenzotriazole, 2- (2 ' -hydroxy-3 ',5' -di-tert-phenyl) -5-chlorobenzotriazole, 2- (2-hydroxy-3, 5-di-tert-pentylphenyl) benzotriazole, 2- (2 ' -hydroxy-4 ' -benzoylphenyl) -5 chloro-2H-benzotriazole, 2- (4, 6-bis (2, 4-dimethylphenyl) -1,3, 5-triazin-2-yl) -5-octoxyphenol and 2- (4, 6-diphenyl-1, 3, 5-triazin-2) -5-n-hexyloxyphenol.
4. The ultraviolet resistant thermally conductive solar back sheet of claim 1, wherein: the light stabilizer is selected from bis (2, 6-tetramethyl-4-piperidinyl) sebacate, tris (1, 2,6, pentamethylpiperidinyl) phosphite, hexamethylphosphoric triamide, 4-benzoyloxy-2, 6, pentamethylpiperidinyl) phosphite, hexamethylphosphoric triamide 4-benzoyloxy-2, 6, -tetramethyl-piperidinyl) ] } imino, poly [6- [ (1, 3-tetramethylbutyl) amine ] -1,3, 5-triazin-2, 4-diyl ] (2, 6-tetramethyl) piperidine one or more of 1- (methyl) -8- (1, 2, 6-pentamethyl-4-piperidine) sebacate and bis (1-octyloxy-2, 6-tetramethyl-4-piperidyl) sebacate.
5. The ultraviolet resistant thermally conductive solar back sheet of claim 1, wherein: the coupling agent in each layer is selected from one or more of vinyl trimethoxy silane, vinyl triethoxy silane, isobutyl triethoxy silane, vinyl tri (beta-methoxyethoxy) silane, gamma-methacryloxypropyl trimethoxy silane, diethylaminomethyl triethoxy silane, dichloro methyl triethoxy silane, bis (gamma-triethoxy silylpropyl) -tetrasulfide, phenyl trimethoxy silane, phenyl triethoxy silane and methyl triethoxy silane.
6. A method of making an ultraviolet resistant thermally conductive solar back sheet as defined in claim 1, comprising the steps of:
and respectively adding the materials of the A/B/C layers into the A screw, the B screw and the C screw of the three-layer coextrusion sheet machine set according to the mass ratio of the A layer to the B layer to the C layer, simultaneously carrying out melt extrusion in a screw extruder, and carrying out tape casting, cooling, traction and coiling to obtain the ultraviolet-resistant heat-conducting solar backboard.
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| CN103872163A (en) * | 2014-04-01 | 2014-06-18 | 云南云天化股份有限公司 | Black solar cell backplane and manufacturing method thereof |
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| CN208637441U (en) * | 2018-06-29 | 2019-03-22 | 汉能移动能源控股集团有限公司 | Backboard and solar components |
| CN109728116A (en) * | 2018-12-26 | 2019-05-07 | 苏州度辰新材料有限公司 | Inner layer film and thermally conductive solar cell backboard for thermally conductive solar cell backboard |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106279904A (en) * | 2016-08-18 | 2017-01-04 | 苏州度辰新材料有限公司 | A kind of extrusion type solar energy backboard and preparation method thereof |
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| CN103872163A (en) * | 2014-04-01 | 2014-06-18 | 云南云天化股份有限公司 | Black solar cell backplane and manufacturing method thereof |
| CN106129256A (en) * | 2016-08-30 | 2016-11-16 | 戚明海 | A kind of perovskite solaode with black phosphorus as hole transmission layer and preparation method |
| CN106672927A (en) * | 2016-12-29 | 2017-05-17 | 深圳大学 | Two-dimensional lamellar porous black phosphorus material and preparation method thereof |
| CN208637441U (en) * | 2018-06-29 | 2019-03-22 | 汉能移动能源控股集团有限公司 | Backboard and solar components |
| CN109728116A (en) * | 2018-12-26 | 2019-05-07 | 苏州度辰新材料有限公司 | Inner layer film and thermally conductive solar cell backboard for thermally conductive solar cell backboard |
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