CN116285717A - Polyolefin photovoltaic adhesive film, preparation method and application thereof - Google Patents
Polyolefin photovoltaic adhesive film, preparation method and application thereof Download PDFInfo
- Publication number
- CN116285717A CN116285717A CN202211702252.XA CN202211702252A CN116285717A CN 116285717 A CN116285717 A CN 116285717A CN 202211702252 A CN202211702252 A CN 202211702252A CN 116285717 A CN116285717 A CN 116285717A
- Authority
- CN
- China
- Prior art keywords
- polyolefin
- silane
- agent
- parts
- film according
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 229920000098 polyolefin Polymers 0.000 title claims abstract description 73
- 239000002313 adhesive film Substances 0.000 title claims abstract description 66
- 238000002360 preparation method Methods 0.000 title abstract description 16
- 229920005989 resin Polymers 0.000 claims abstract description 85
- 239000011347 resin Substances 0.000 claims abstract description 85
- 229920006124 polyolefin elastomer Polymers 0.000 claims abstract description 60
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 claims abstract description 54
- 229910000077 silane Inorganic materials 0.000 claims abstract description 54
- 239000012752 auxiliary agent Substances 0.000 claims abstract description 32
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 29
- 230000032683 aging Effects 0.000 claims abstract description 26
- 239000003963 antioxidant agent Substances 0.000 claims description 64
- 230000003078 antioxidant effect Effects 0.000 claims description 64
- 239000003431 cross linking reagent Substances 0.000 claims description 47
- 239000007822 coupling agent Substances 0.000 claims description 28
- 238000003475 lamination Methods 0.000 claims description 26
- 150000002978 peroxides Chemical class 0.000 claims description 22
- 239000004611 light stabiliser Substances 0.000 claims description 21
- 238000003756 stirring Methods 0.000 claims description 21
- QUAMTGJKVDWJEQ-UHFFFAOYSA-N octabenzone Chemical compound OC1=CC(OCCCCCCCC)=CC=C1C(=O)C1=CC=CC=C1 QUAMTGJKVDWJEQ-UHFFFAOYSA-N 0.000 claims description 20
- 229920001935 styrene-ethylene-butadiene-styrene Polymers 0.000 claims description 20
- 238000004132 cross linking Methods 0.000 claims description 19
- 238000000034 method Methods 0.000 claims description 16
- 239000000203 mixture Substances 0.000 claims description 16
- 239000002250 absorbent Substances 0.000 claims description 15
- 230000002745 absorbent Effects 0.000 claims description 15
- -1 methacryloxy Chemical group 0.000 claims description 15
- WOXXJEVNDJOOLV-UHFFFAOYSA-N ethenyl-tris(2-methoxyethoxy)silane Chemical compound COCCO[Si](OCCOC)(OCCOC)C=C WOXXJEVNDJOOLV-UHFFFAOYSA-N 0.000 claims description 14
- 229940116351 sebacate Drugs 0.000 claims description 14
- CXMXRPHRNRROMY-UHFFFAOYSA-L sebacate(2-) Chemical compound [O-]C(=O)CCCCCCCCC([O-])=O CXMXRPHRNRROMY-UHFFFAOYSA-L 0.000 claims description 14
- 229920002725 thermoplastic elastomer Polymers 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 13
- BJELTSYBAHKXRW-UHFFFAOYSA-N 2,4,6-triallyloxy-1,3,5-triazine Chemical compound C=CCOC1=NC(OCC=C)=NC(OCC=C)=N1 BJELTSYBAHKXRW-UHFFFAOYSA-N 0.000 claims description 10
- FIYMNUNPPYABMU-UHFFFAOYSA-N 2-benzyl-5-chloro-1h-indole Chemical compound C=1C2=CC(Cl)=CC=C2NC=1CC1=CC=CC=C1 FIYMNUNPPYABMU-UHFFFAOYSA-N 0.000 claims description 10
- 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 10
- NPCRFXPZMMRNAA-UHFFFAOYSA-N 4-nonylphenol;phosphorous acid Chemical group OP(O)O.CCCCCCCCCC1=CC=C(O)C=C1.CCCCCCCCCC1=CC=C(O)C=C1.CCCCCCCCCC1=CC=C(O)C=C1 NPCRFXPZMMRNAA-UHFFFAOYSA-N 0.000 claims description 10
- 150000003505 terpenes Chemical class 0.000 claims description 9
- 235000007586 terpenes Nutrition 0.000 claims description 9
- 238000002834 transmittance Methods 0.000 claims description 9
- WYTZZXDRDKSJID-UHFFFAOYSA-N (3-aminopropyl)triethoxysilane Chemical compound CCO[Si](OCC)(OCC)CCCN WYTZZXDRDKSJID-UHFFFAOYSA-N 0.000 claims description 8
- 239000011521 glass Substances 0.000 claims description 8
- 239000010410 layer Substances 0.000 claims description 8
- 238000003490 calendering Methods 0.000 claims description 7
- 238000001125 extrusion Methods 0.000 claims description 7
- 238000002156 mixing Methods 0.000 claims description 7
- 238000010345 tape casting Methods 0.000 claims description 7
- 238000004806 packaging method and process Methods 0.000 claims description 6
- 239000006097 ultraviolet radiation absorber Substances 0.000 claims description 6
- KWKAKUADMBZCLK-UHFFFAOYSA-N 1-octene Chemical compound CCCCCCC=C KWKAKUADMBZCLK-UHFFFAOYSA-N 0.000 claims description 5
- 239000000155 melt Substances 0.000 claims description 5
- PHQOGHDTIVQXHL-UHFFFAOYSA-N n'-(3-trimethoxysilylpropyl)ethane-1,2-diamine Chemical compound CO[Si](OC)(OC)CCCNCCN PHQOGHDTIVQXHL-UHFFFAOYSA-N 0.000 claims description 5
- MQWFLKHKWJMCEN-UHFFFAOYSA-N n'-[3-[dimethoxy(methyl)silyl]propyl]ethane-1,2-diamine Chemical compound CO[Si](C)(OC)CCCNCCN MQWFLKHKWJMCEN-UHFFFAOYSA-N 0.000 claims description 4
- 229920000642 polymer Polymers 0.000 claims description 4
- 239000002356 single layer Substances 0.000 claims description 4
- KOMNUTZXSVSERR-UHFFFAOYSA-N 1,3,5-tris(prop-2-enyl)-1,3,5-triazinane-2,4,6-trione Chemical compound C=CCN1C(=O)N(CC=C)C(=O)N(CC=C)C1=O KOMNUTZXSVSERR-UHFFFAOYSA-N 0.000 claims description 2
- 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
- JZEXORLUKMQOFA-UHFFFAOYSA-N 2-(1-ethoxyethyl)-2-(hydroxymethyl)propane-1,3-diol prop-2-enoic acid Chemical compound OC(=O)C=C.OC(=O)C=C.OC(=O)C=C.CCOC(C)C(CO)(CO)CO JZEXORLUKMQOFA-UHFFFAOYSA-N 0.000 claims description 2
- XMNIXWIUMCBBBL-UHFFFAOYSA-N 2-(2-phenylpropan-2-ylperoxy)propan-2-ylbenzene Chemical compound C=1C=CC=CC=1C(C)(C)OOC(C)(C)C1=CC=CC=C1 XMNIXWIUMCBBBL-UHFFFAOYSA-N 0.000 claims description 2
- IYAZLDLPUNDVAG-UHFFFAOYSA-N 2-(benzotriazol-2-yl)-4-(2,4,4-trimethylpentan-2-yl)phenol Chemical compound CC(C)(C)CC(C)(C)C1=CC=C(O)C(N2N=C3C=CC=CC3=N2)=C1 IYAZLDLPUNDVAG-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
- IFXDUNDBQDXPQZ-UHFFFAOYSA-N 2-methylbutan-2-yl 2-ethylhexaneperoxoate Chemical compound CCCCC(CC)C(=O)OOC(C)(C)CC IFXDUNDBQDXPQZ-UHFFFAOYSA-N 0.000 claims description 2
- NLSFWPFWEPGCJJ-UHFFFAOYSA-N 2-methylprop-2-enoyloxysilicon Chemical compound CC(=C)C(=O)O[Si] NLSFWPFWEPGCJJ-UHFFFAOYSA-N 0.000 claims description 2
- YEXOWHQZWLCHHD-UHFFFAOYSA-N 3,5-ditert-butyl-4-hydroxybenzoic acid Chemical compound CC(C)(C)C1=CC(C(O)=O)=CC(C(C)(C)C)=C1O YEXOWHQZWLCHHD-UHFFFAOYSA-N 0.000 claims description 2
- XYFRHHAYSXIKGH-UHFFFAOYSA-N 3-(5-methoxy-2-methoxycarbonyl-1h-indol-3-yl)prop-2-enoic acid Chemical compound C1=C(OC)C=C2C(C=CC(O)=O)=C(C(=O)OC)NC2=C1 XYFRHHAYSXIKGH-UHFFFAOYSA-N 0.000 claims description 2
- ZPZDIFSPRVHGIF-UHFFFAOYSA-N 3-aminopropylsilicon Chemical group NCCC[Si] ZPZDIFSPRVHGIF-UHFFFAOYSA-N 0.000 claims description 2
- DCQBZYNUSLHVJC-UHFFFAOYSA-N 3-triethoxysilylpropane-1-thiol Chemical compound CCO[Si](OCC)(OCC)CCCS DCQBZYNUSLHVJC-UHFFFAOYSA-N 0.000 claims description 2
- SJECZPVISLOESU-UHFFFAOYSA-N 3-trimethoxysilylpropan-1-amine Chemical compound CO[Si](OC)(OC)CCCN SJECZPVISLOESU-UHFFFAOYSA-N 0.000 claims description 2
- UQAMDAUJTXFNAD-UHFFFAOYSA-N 4-(4,6-dichloro-1,3,5-triazin-2-yl)morpholine Chemical compound ClC1=NC(Cl)=NC(N2CCOCC2)=N1 UQAMDAUJTXFNAD-UHFFFAOYSA-N 0.000 claims description 2
- UWDMKTDPDJCJOP-UHFFFAOYSA-N 4-hydroxy-2,2,6,6-tetramethylpiperidin-1-ium-4-carboxylate Chemical compound CC1(C)CC(O)(C(O)=O)CC(C)(C)N1 UWDMKTDPDJCJOP-UHFFFAOYSA-N 0.000 claims description 2
- UWSMKYBKUPAEJQ-UHFFFAOYSA-N 5-Chloro-2-(3,5-di-tert-butyl-2-hydroxyphenyl)-2H-benzotriazole Chemical compound CC(C)(C)C1=CC(C(C)(C)C)=CC(N2N=C3C=C(Cl)C=CC3=N2)=C1O UWSMKYBKUPAEJQ-UHFFFAOYSA-N 0.000 claims description 2
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 claims description 2
- JKIJEFPNVSHHEI-UHFFFAOYSA-N Phenol, 2,4-bis(1,1-dimethylethyl)-, phosphite (3:1) Chemical compound CC(C)(C)C1=CC(C(C)(C)C)=CC=C1OP(OC=1C(=CC(=CC=1)C(C)(C)C)C(C)(C)C)OC1=CC=C(C(C)(C)C)C=C1C(C)(C)C JKIJEFPNVSHHEI-UHFFFAOYSA-N 0.000 claims description 2
- 229920003171 Poly (ethylene oxide) Polymers 0.000 claims description 2
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 claims description 2
- OKKRPWIIYQTPQF-UHFFFAOYSA-N Trimethylolpropane trimethacrylate Chemical compound CC(=C)C(=O)OCC(CC)(COC(=O)C(C)=C)COC(=O)C(C)=C OKKRPWIIYQTPQF-UHFFFAOYSA-N 0.000 claims description 2
- HVVWZTWDBSEWIH-UHFFFAOYSA-N [2-(hydroxymethyl)-3-prop-2-enoyloxy-2-(prop-2-enoyloxymethyl)propyl] prop-2-enoate Chemical compound C=CC(=O)OCC(CO)(COC(=O)C=C)COC(=O)C=C HVVWZTWDBSEWIH-UHFFFAOYSA-N 0.000 claims description 2
- KNSXNCFKSZZHEA-UHFFFAOYSA-N [3-prop-2-enoyloxy-2,2-bis(prop-2-enoyloxymethyl)propyl] prop-2-enoate Chemical class C=CC(=O)OCC(COC(=O)C=C)(COC(=O)C=C)COC(=O)C=C KNSXNCFKSZZHEA-UHFFFAOYSA-N 0.000 claims description 2
- 239000002981 blocking agent Substances 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
- MGNCLNQXLYJVJD-UHFFFAOYSA-N cyanuric chloride Chemical group ClC1=NC(Cl)=NC(Cl)=N1 MGNCLNQXLYJVJD-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
- BQRPSOKLSZSNAR-UHFFFAOYSA-N ethenyl-tris[(2-methylpropan-2-yl)oxy]silane Chemical compound CC(C)(C)O[Si](OC(C)(C)C)(OC(C)(C)C)C=C BQRPSOKLSZSNAR-UHFFFAOYSA-N 0.000 claims description 2
- YDKNBNOOCSNPNS-UHFFFAOYSA-N methyl 1,3-benzoxazole-2-carboxylate Chemical compound C1=CC=C2OC(C(=O)OC)=NC2=C1 YDKNBNOOCSNPNS-UHFFFAOYSA-N 0.000 claims description 2
- KBJFYLLAMSZSOG-UHFFFAOYSA-N n-(3-trimethoxysilylpropyl)aniline Chemical compound CO[Si](OC)(OC)CCCNC1=CC=CC=C1 KBJFYLLAMSZSOG-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
- 239000003208 petroleum Substances 0.000 claims description 2
- 239000005011 phenolic resin Substances 0.000 claims description 2
- FSDNTQSJGHSJBG-UHFFFAOYSA-N piperidine-4-carbonitrile Chemical compound N#CC1CCNCC1 FSDNTQSJGHSJBG-UHFFFAOYSA-N 0.000 claims description 2
- 229920002742 polystyrene-block-poly(ethylene/propylene) -block-polystyrene Polymers 0.000 claims description 2
- DWUCCPNOMFYDOL-UHFFFAOYSA-N propyl(sulfanyl)silicon Chemical compound CCC[Si]S DWUCCPNOMFYDOL-UHFFFAOYSA-N 0.000 claims description 2
- FZHAPNGMFPVSLP-UHFFFAOYSA-N silanamine Chemical compound [SiH3]N FZHAPNGMFPVSLP-UHFFFAOYSA-N 0.000 claims description 2
- 229920000468 styrene butadiene styrene block copolymer Polymers 0.000 claims description 2
- KDYFGRWQOYBRFD-UHFFFAOYSA-L succinate(2-) Chemical compound [O-]C(=O)CCC([O-])=O KDYFGRWQOYBRFD-UHFFFAOYSA-L 0.000 claims description 2
- WYKYCHHWIJXDAO-UHFFFAOYSA-N tert-butyl 2-ethylhexaneperoxoate Chemical compound CCCCC(CC)C(=O)OOC(C)(C)C WYKYCHHWIJXDAO-UHFFFAOYSA-N 0.000 claims description 2
- GJBRNHKUVLOCEB-UHFFFAOYSA-N tert-butyl benzenecarboperoxoate Chemical compound CC(C)(C)OOC(=O)C1=CC=CC=C1 GJBRNHKUVLOCEB-UHFFFAOYSA-N 0.000 claims description 2
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 claims description 2
- UKRDPEFKFJNXQM-UHFFFAOYSA-N vinylsilane Chemical compound [SiH3]C=C UKRDPEFKFJNXQM-UHFFFAOYSA-N 0.000 claims description 2
- 239000006096 absorbing agent Substances 0.000 claims 1
- 125000000217 alkyl group Chemical group 0.000 claims 1
- XCOASYLMDUQBHW-UHFFFAOYSA-N n-(3-trimethoxysilylpropyl)butan-1-amine Chemical compound CCCCNCCC[Si](OC)(OC)OC XCOASYLMDUQBHW-UHFFFAOYSA-N 0.000 claims 1
- 230000002195 synergetic effect Effects 0.000 abstract description 2
- 239000005038 ethylene vinyl acetate Substances 0.000 description 32
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 32
- 230000000052 comparative effect Effects 0.000 description 9
- WFRLANWAASSSFV-FPLPWBNLSA-N palmitoleoyl ethanolamide Chemical compound CCCCCC\C=C/CCCCCCCC(=O)NCCO WFRLANWAASSSFV-FPLPWBNLSA-N 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 7
- 238000001556 precipitation Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 229920001971 elastomer Polymers 0.000 description 4
- 239000000806 elastomer Substances 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 239000004831 Hot glue Substances 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 239000011159 matrix material Substances 0.000 description 3
- 150000003254 radicals Chemical class 0.000 description 3
- 239000002131 composite material Substances 0.000 description 2
- 230000032798 delamination Effects 0.000 description 2
- 239000003365 glass fiber Substances 0.000 description 2
- 239000012943 hotmelt Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000002985 plastic film Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 229920001187 thermosetting polymer Polymers 0.000 description 2
- 239000006087 Silane Coupling Agent Substances 0.000 description 1
- 230000006750 UV protection Effects 0.000 description 1
- 238000012644 addition polymerization Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006482 condensation reaction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000004049 embossing Methods 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 238000013467 fragmentation Methods 0.000 description 1
- 238000006062 fragmentation reaction Methods 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- 239000003999 initiator Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 1
- 239000005022 packaging material Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 229920001568 phenolic resin Polymers 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000004224 protection Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 239000003440 toxic substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/10—Adhesives in the form of films or foils without carriers
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/06—Non-macromolecular additives organic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/08—Macromolecular additives
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J123/00—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers
- C09J123/02—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers not modified by chemical after-treatment
- C09J123/04—Homopolymers or copolymers of ethene
- C09J123/08—Copolymers of ethene
- C09J123/0807—Copolymers of ethene with unsaturated hydrocarbons only containing more than three carbon atoms
- C09J123/0815—Copolymers of ethene with aliphatic 1-olefins
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/30—Adhesives in the form of films or foils characterised by the adhesive composition
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
- H01L31/042—PV modules or arrays of single PV cells
- H01L31/048—Encapsulation of modules
- H01L31/0481—Encapsulation of modules characterised by the composition of the encapsulation material
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2203/00—Applications of adhesives in processes or use of adhesives in the form of films or foils
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Abstract
The invention provides a polyolefin photovoltaic adhesive film, a preparation method and application thereof. The polyolefin photovoltaic adhesive film adopts polyolefin elastomer POE, and components such as modified resin, silane oligomer, silane end capping agent, auxiliary agent and the like in a certain proportion, so that all the components are matched in a synergistic way, and the polyolefin adhesive film with improved anti-skidding and ageing resistance is obtained.
Description
Technical Field
The invention relates to the field of packaging materials of photovoltaic cells, in particular to a polyolefin photovoltaic film, a preparation method and application thereof.
Background
Polyolefin elastomer POE has excellent physical and mechanical properties such as high elasticity, high strength, high elongation and the like, and excellent properties such as heat aging resistance, ultraviolet resistance, low water vapor permeability, PID resistance (potential induced degradation) and the like because of its narrow molecular weight distribution, short branched structure and saturated structure, and has been widely used as an encapsulation adhesive film of a photovoltaic cell at present.
The photovoltaic packaging adhesive film is usually added with auxiliary materials such as a cross-linking agent, a coupling agent, an antioxidant, an ultraviolet absorber and the like to realize firm packaging protection and long-term outdoor weather resistance of the photovoltaic cell. However, due to the nonpolar characteristic of POE, the compatibility of the auxiliary agent component in the adhesive film and POE chain segment molecules is poor, so that the auxiliary agent in the POE adhesive film is easy to separate out, the crosslinking speed of the adhesive film and the battery piece during lamination and the crosslinking degree after lamination are affected, and the adverse phenomena of peeling strength attenuation and battery piece delamination are shown in the later aging process. In addition, the auxiliary agent also can migrate to the surface of the adhesive film, so that the friction coefficient of the surface of the film is reduced, and the problems of slippage and battery piece merging are caused when the auxiliary agent is attached to the battery piece.
The conventional solution is to co-extrude ethylene-vinyl acetate copolymer EVA and polyolefin elastomer POE into an EPE adhesive film, namely, the intermediate layer is POE, and the two sides are sandwich structures of EVA. However, due to the fact that the modulus and tensile stress of EVA and POE are inconsistent, and the auxiliary agent of the POE layer is easy to migrate to the EVA layer, the problems of delamination, lamination, foaming and the like between EVA and POE are caused.
CN112063337a discloses a photovoltaic adhesive film resistant to mechanical impact and a preparation method thereof. The photovoltaic adhesive film resistant to mechanical impact is prepared from 0.1-45% of elastomer resin system, 20-95% of hot melt thermosetting resin system and 0.1-5% of glass fiber serving as a basic material; the elastomer resin system is prepared from 95-99% of elastomer resin, 0.05-5% of antioxidant, 0.25-5% of free radical crosslinking agent and 0.1-4% of silane coupling agent. The photovoltaic adhesive film adopts hot melt thermosetting resin and a curing system thereof to provide mechanical impact resistance for the photovoltaic adhesive film; glass fibers are adopted to provide the resistance to mechanical impact for the photovoltaic adhesive film; the elastomer is adopted to provide toughness for the adhesive film, so that the adhesive film is prevented from being broken in the processes of processing, preparation, transportation and storage and use. And moreover, the photovoltaic adhesive film can provide mechanical strength for the assembly after hot pressing, so that mechanical impact is effectively resisted, and meanwhile, the problem of fragmentation of the photovoltaic adhesive film in the production, storage, transportation, use and other processes is prevented. However, the problem of precipitation and slipping of the auxiliary agent is not solved.
CN115287003a discloses a composite hot melt adhesive film for metal adhesion, which is characterized by comprising the following raw materials in parts by weight: 80-100 parts of resin; 12-20 parts of maleic anhydride graft; 1-3 parts of an initiator; 3-15 parts of a first tackifier; 0.3-1.5 parts of a second tackifier; 0.1-1 part of antioxidant; 0.1-1 part of anti-ultraviolet agent; the melt flow rate of the resin is 35-40g/10min/190 ℃/2.16kg. The preparation process is simple, the adhesive is firmly bonded with metal, and the problem of poor metal adhesive force is solved; the materials used for preparing the hot melt adhesive film are environment-friendly, no smell or toxic substances are generated in the processing process, and no solvent volatilizes, so that the technical innovation of the materials is facilitated; the hot melt adhesive film is uniformly attached and has good bonding strength with metal. However, the problem of precipitation and slipping of the auxiliary agent is not solved.
In addition, many manufacturers can start from the surface structure of POE glued membrane, as described in CN 213534113U, set up the frosting decorative pattern of the knurling structure of different shapes, depth in the glue film both sides, increase the frictional force of contact surface and solve the phenomenon of skidding of battery pack end. However, this process still does not completely avoid the slipping problem due to migration of the auxiliaries to the surface.
Therefore, developing a polyolefin photovoltaic adhesive film, improving the surface viscoelasticity, promoting the compatibility of an auxiliary agent and POE, and improving the heat resistance and weather resistance is a problem to be solved.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a polyolefin photovoltaic adhesive film. The polyolefin photovoltaic adhesive film adopts polyolefin elastomer POE with two different melt indexes and octene contents, and components such as modified resin, silane oligomer, silane end capping agent, auxiliary agent and the like in a certain proportion, so that all the components are matched in a synergistic way, and the polyolefin adhesive film with improved anti-skid and ageing resistance is obtained.
The technical scheme of the invention is as follows:
a polyolefin photovoltaic adhesive film comprises the following components:
polyolefin elastomer, modified resin, silane oligomer coupling agent, silane end capping agent and auxiliary agent;
wherein the modified resin comprises a thermoplastic elastomer selected from one or more of SBS, SEBS, SEPS, POE, POP, EAA, EVA, TPU, TPV;
the silane oligomer coupling agent is at least two of vinyl silane, amino silane and methacryloxy silane;
the silane end capping agent is aminopropyl silane or mercaptopropyl silane;
the surface friction coefficient of the polyolefin photovoltaic adhesive film is more than or equal to 0.5;
when the polyolefin photovoltaic film is used, vacuum lamination operation is needed, after vacuum lamination, the peel strength of the polyolefin photovoltaic film and the embossed glass is more than or equal to 120N/cm, and after aging for 1000 hours at 85 ℃ and in a high-humidity environment with 85 percent, the peel strength is more than or equal to 80N/cm, and 120kWh/m 2 The peeling strength after ultraviolet aging is more than or equal to 80N/cm, the light transmittance is more than or equal to 90.5%, and the crosslinking degree is more than or equal to 75%.
Further, the polyolefin photovoltaic film comprises, by weight, 100 parts of the polyolefin elastomer, 5-30 parts of the modified resin, 0.1-3 parts of the silane oligomer coupling agent, 0.1-3 parts of the silane blocking agent and 0.35-14 parts of the auxiliary agent.
Further, the polyolefin elastomer comprises either one or both of polyolefin elastomer POE a and polyolefin elastomer POE b. Preferably, the polyolefin elastomer consists of a polyolefin elastomer POE a and a polyolefin elastomer POE B. The melt index of the polyolefin elastomer POE A is between 2 and 10g/10min, the octene content is between 30 and 40 percent, the melt index of the polyolefin elastomer POE B is between 8 and 20g/10min, and the octene content is between 20 and 30 percent.
Further, the modified resin is composed of a thermoplastic elastomer and a tackifying resin.
Further, the tackifying resin in the modified resin is one or more of rosin resin, terpene resin, petroleum resin and alkyl phenolic resin.
Further, in the modified resin, the thermoplastic elastomer is 60 to 90 parts by mass, and the tackifying resin is 10 to 40 parts by mass.
Further, the thermoplastic elastomer is a mixture of SEBS and EVA, and the weight ratio is between 1-4 and 6-9.
Further, the silane oligomer coupling agent is at least two of vinyl trimethoxy silane, vinyl triethoxy silane, vinyl tri (beta-methoxyethoxy) silane, vinyl tri-tert-butoxy silane, N- (beta-aminoethyl) -gamma-aminopropyl methyl dimethoxy silane, methacryloxy oligomer and gamma-methacryloxy propyl trimethoxy silane.
Further, the silane end capping agent is one or more of 3-aminopropyl triethoxysilane, 3-aminopropyl trimethoxysilane, 3-mercaptopropyl triethoxysilane, N- (beta-aminoethyl) -gamma-aminopropyl trimethoxysilane, N- (beta-aminoethyl) -gamma-aminopropyl methyl dimethoxy silane, N-N-butyl-3-aminopropyl trimethoxysilane or N-phenyl-3-aminopropyl trimethoxysilane.
Further, the auxiliary agent comprises one or more of peroxide cross-linking agent, auxiliary cross-linking agent, antioxidant, light stabilizer and ultraviolet absorber.
Further, based on the mass of the polyolefin photovoltaic film, the peroxide-based crosslinking agent is 0.1 to 3 parts by weight, the auxiliary crosslinking agent is 0.1 to 5 parts by weight, the antioxidant is 0.05 to 2 parts by weight, the light stabilizer is 0.05 to 2 parts by weight, and the ultraviolet absorber is 0.05 to 2 parts by weight.
Further, the peroxide cross-linking agent is one or more of tert-butyl peroxy-2-ethylhexyl carbonate, tert-amyl peroxy (2-ethylhexyl) carbonate, tert-butyl peroxybenzoate, tert-butyl peroxyacetate, tert-amyl peroxy-2-ethylhexanoate, tert-butyl peroxy-2-ethylhexanoate and dicumyl peroxide.
Further, the auxiliary cross-linking agent is one or more of triallyl cyanurate, trimethylolpropane trimethacrylate, triallyl isocyanurate, ethoxylated pentaerythritol tetraacrylate, 3 (ethoxy) trimethylolpropane triacrylate, dipropylene glycol diacrylate, propoxylated neopentyl glycol diacrylate and pentaerythritol triacrylate. Further, the antioxidant comprises a main antioxidant and an auxiliary antioxidant, and the weight ratio is 2:1; the main antioxidant group is beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) octadecyl propionate; the auxiliary antioxidant is tris (4-nonylphenol) phosphite and/or tris (2, 4-di-tert-butylphenyl) phosphite.
Further, the method comprises the steps of, the light stabilizer is cyanuric chloride polymer, bis (2, 6-tetramethyl-4-piperidyl) sebacate bis (1-octyloxy-2, 6-tetramethyl-4-piperidinyl) sebacate, poly (4-hydroxy-2, 6-tetramethyl-1-piperidylethanol) succinate one or more of bis (1, 2, 6-pentamethyl-4-piperidinyl) sebacate, 2- (2-hydroxy-3-tert-butyl-5-methylphenyl) -5-chlorobenzotriazole, 2, 4-dichloro-6- (4-morpholinyl) -1,3, 5-triazine, 2, 6-tetramethyl-4-piperidinestearate.
Further, the ultraviolet absorber is one or more of 2-hydroxy-4-n-octoxybenzophenone, 2-hydroxy-4-methoxybenzophenone, 2, 4-dihydroxybenzophenone, 2- (2-hydroxy-3, 5-di-tert-butylphenyl) -5-chlorobenzotriazole, 2- (2-hydroxy-5-methylphenyl) benzotriazole, 2- (2-hydroxy-5-tert-octylphenyl) benzotriazole, 2- (4, 6-bis (2, 4-dimethylphenyl) -1,3, 5-triazin-2-yl) -5-octoxyphenol, and n-sixteen 3, 5-di-tert-butyl-4-hydroxybenzoate.
Further, the vacuum lamination condition is that the lamination temperature is 142-155 ℃, the vacuumizing time is 5-10 minutes, and the lamination time is 12-18 minutes.
Further, the polyolefin photovoltaic adhesive film prepared from the materials has a structure including, but not limited to, single-layer POE, two-layer or multi-layer POE, POE/EVA, EVA/POE/EVA, POE/TPO, POE/POP and the like.
The invention also provides a preparation method of the polyolefin photovoltaic adhesive film, which comprises the following steps:
step 1: adding the polyolefin elastomer and the modified resin into a mixer according to a proportion, and physically mixing and stirring for 10-30min;
step 2: adding peroxide cross-linking agent into the resin mixture, and stirring for 30-60min;
step 3: dispersing the auxiliary crosslinking agent, the silane oligomer coupling agent, the silane end capping agent, the antioxidant, the light stabilizer and the ultraviolet absorbent for 30-60min by a high-speed dispersing machine;
step 4: adding the auxiliary agent uniformly mixed in the step 3 into the resin mixture in the step 2, and continuously stirring for 6-12 h until the auxiliary agent is completely absorbed;
step 5: and (3) feeding the materials completely absorbed in the step (4) into a screw extruder or a calender through a feeding system, and carrying out tape casting extrusion or calendaring at 80-120 ℃ to form a film.
In the method, in the step 3, in the crosslinking reaction, the peroxide crosslinking agent is decomposed at high temperature to provide free radicals, the free radicals initiate crosslinking reactions such as chain growth and the like, and the reaction formula is shown as the formula (I):
the silane oligomer coupling agent is subjected to melt grafting reaction with polyolefin under the reaction, as shown in the following reaction formula (II):
further, the method further comprises a step 6 of drawing the polyolefin photovoltaic adhesive film formed in the step 5 into a space between the adhesive roll and the embossing roll for lamination to form patterns.
Further, the method also comprises a step 7 of cooling and shaping the polyolefin photovoltaic adhesive film obtained in the step 6, cutting and rolling the polyolefin photovoltaic adhesive film, and packaging the polyolefin photovoltaic adhesive film into a finished product according to requirements.
Further, the thickness of the polyolefin photovoltaic film is 0.1-1 mm, and the gram weight is 100-800g/m 2 。
The invention also provides application of the polyolefin photovoltaic film in packaging photovoltaic cells.
The invention has the following beneficial effects:
1. according to the polyolefin photovoltaic adhesive film formula, the modified resin is introduced, so that the physical adhesiveness of the polyolefin elastomer POE matrix is improved, and the problems of adhesive film slippage, battery sheet doubling and the like are prevented when the polyolefin elastomer POE matrix is laminated with a battery sheet.
2. According to the invention, by using a resin modification technology and adding the modified resin, on one hand, the physical adhesiveness of the polyolefin elastomer POE matrix is improved, because components such as SEBS, EVA and the like in the modified resin increase the viscoelasticity of the photovoltaic adhesive film system, and further enhance the anti-skid performance of the photovoltaic adhesive film system; on the other hand, polar groups in EVA and tackifying resin promote the compatibility of auxiliary monomers (peroxide cross-linking agent, silane end-capping agent, auxiliary cross-linking agent and the like) and polyolefin elastomer POE, provide sites for the mutual entanglement and cross-linking of molecular chains, fully react auxiliary, reduce the possibility of auxiliary precipitation, and further improve the slippage problem caused by auxiliary precipitation.
3. The silane oligomer coupling agent contains a functional group which is subjected to gradual condensation reaction and a potential double bond which can be subjected to addition polymerization reaction, so that the silane end capping agent can be effectively bonded to a macromolecular chain segment to prevent precipitation. The silane end capping agent has the functions similar to that of a crosslinking assistant, can prevent chain growth from continuing, can realize crosslinking faster, improves the crosslinking speed and crosslinking degree of the polymer, and improves the heat resistance and weather resistance.
4. The formula of the polyolefin photovoltaic adhesive film can be applied to structures including but not limited to single-layer POE, two-layer or multi-layer POE, POE/EVA, EVA/POE/EVA, POE/TPO, POE/POP and the like, and solves the problems of slippage, sheet combination and aging intolerance corresponding to the single-layer or composite adhesive film.
Detailed Description
The technical solutions of the present invention will be clearly and completely described in conjunction with the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
The photovoltaic adhesive film comprises the following components in parts by mass based on the mass of the polyolefin photovoltaic adhesive film:
30 parts of polyolefin elastomer POEA, wherein the MI content of the polyolefin elastomer POEA is 5g/10min;
70 parts of polyolefin elastomer POEB, wherein the MI content of the polyolefin elastomer POEB is 18g/10min;
10 parts of modified resin, wherein the thermoplastic elastomer is SEBS and EVA, accounting for 80 percent of the total mass of the modified resin, and the mass ratio of SEBS to EVA is 4:6; terpene resin is used as tackifying resin, and accounts for 20% of the total mass of the modified resin;
the peroxide cross-linking agent is tert-butyl peroxy-2-ethylhexyl carbonate, 1.2 parts;
the auxiliary cross-linking agent is triallyl cyanurate, 0.8 part;
the silane oligomer coupling agent is vinyl tri (beta-methoxyethoxy) silane and N- (beta-aminoethyl) -gamma-aminopropyl trimethoxy silane, 0.4 part,
wherein, the mass ratio of the vinyl tri (beta-methoxyethoxy) silane to the N- (beta-aminoethyl) -gamma-aminopropyl trimethoxy silane is 1:2; the method comprises the steps of carrying out a first treatment on the surface of the
The silane end-capping agent is 3-aminopropyl triethoxysilane, 0.5 part;
0.4 part of antioxidant, wherein the main antioxidant is beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) octadecyl propionate; the auxiliary antioxidant is tris (4-nonylphenol) phosphite ester, and the mass ratio of the main antioxidant to the auxiliary antioxidant is 2:1, a step of;
the light stabilizer is bis (2, 6-tetramethyl-4-piperidinyl) sebacate, 0.4 part;
the ultraviolet absorbent is 2-hydroxy-4-n-octoxybenzophenone, 0.3 part;
when the polyolefin photovoltaic film is used, vacuum lamination operation is needed, after vacuum lamination, the peel strength of the polyolefin photovoltaic film and the embossed glass is 190N/cm, and after 1000 hours of aging in a high-temperature and 85% high-humidity environment at 85 ℃, the peel strength is 121N/cm,120kWh/m 2 The peel strength after ultraviolet aging was 115N/cm, the light transmittance was 90.5%, and the crosslinking degree was 86%.
The preparation method comprises the following steps:
step 1: adding the polyolefin elastomer and the modified resin into a mixer according to a proportion, and physically mixing and stirring for 10-30min;
step 2: adding the cross-linking agent into the resin mixture, and stirring for 30-60min;
step 3: dispersing the auxiliary crosslinking agent, the silane oligomer coupling agent, the silane end capping agent, the antioxidant, the light stabilizer and the ultraviolet absorbent for 30-60min by a high-speed dispersing machine;
step 4: adding the auxiliary agent uniformly mixed in the step 3 into the resin mixture in the step 2, and continuously stirring for 6-12 h until the auxiliary agent is completely absorbed;
step 5: and (3) feeding the materials completely absorbed in the step (4) into a screw extruder or a calender through a feeding system, and carrying out tape casting extrusion or calendaring at 80-120 ℃ to form a film.
Example 2
The photovoltaic adhesive film comprises the following components in parts by mass based on the mass of the polyolefin photovoltaic adhesive film:
30 parts of polyolefin elastomer POEA, wherein the MI content of the polyolefin elastomer POEA is 5g/10min;
70 parts of polyolefin elastomer POEB, wherein the MI content of the polyolefin elastomer POEB is 18g/10min;
10 parts of modified resin, wherein the thermoplastic elastomer is SEBS and EVA, the weight ratio of the SEBS to the EVA is 80 percent, and the mass ratio of the SEBS to the EVA is 6:4; terpene resin is used as tackifying resin, and the proportion is 20%.
The peroxide cross-linking agent is tert-butyl peroxy-2-ethylhexyl carbonate, 1.2 parts;
the auxiliary cross-linking agent is triallyl cyanurate, 0.8 part;
the silane oligomer coupling agent is N- (beta-aminoethyl) -gamma-aminopropyl trimethoxy silane and gamma-methacryloxypropyl trimethoxy silane in 0.4 weight portions,
wherein the mass ratio of the vinyl tri (beta-methoxyethoxy) silane to the gamma-methacryloxypropyl trimethoxy silane is 1:2;
the silane end-capping agent is 3-aminopropyl triethoxysilane, 0.5 part;
0.4 part of antioxidant, wherein the main antioxidant is beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) octadecyl propionate; the auxiliary antioxidant is tris (4-nonylphenol) phosphite ester, and the mass ratio of the main antioxidant to the auxiliary antioxidant is 2:1, a step of;
the light stabilizer is bis (2, 6-tetramethyl-4-piperidinyl) sebacate, 0.4 part;
the ultraviolet absorbent is 2-hydroxy-4-n-octoxybenzophenone, 0.3 part;
when the polyolefin photovoltaic film is used, vacuum lamination operation is needed, after vacuum lamination, the peel strength of the polyolefin photovoltaic film and the embossed glass is 184N/cm, and after aging in a high-temperature 85% high-humidity environment at 85 ℃, the peel strength is 108N/cm,120kWh/m 2 The peel strength after ultraviolet aging was 129N/cm, the light transmittance was 90.5%, and the crosslinking degree was 82%.
The preparation method comprises the following steps:
step 1: adding the polyolefin elastomer and the modified resin into a mixer according to a proportion, and physically mixing and stirring for 10-30min;
step 2: adding peroxide cross-linking agent into the resin mixture, and stirring for 30-60min;
step 3: dispersing the auxiliary crosslinking agent, the silane oligomer coupling agent, the silane end capping agent, the antioxidant, the light stabilizer and the ultraviolet absorbent for 30-60min by a high-speed dispersing machine;
step 4: adding the auxiliary agent uniformly mixed in the step 3 into the resin mixture in the step 2, and continuously stirring for 6-12 h until the auxiliary agent is completely absorbed;
step 5: and (3) feeding the materials completely absorbed in the step (4) into a screw extruder or a calender through a feeding system, and carrying out tape casting extrusion or calendaring at 80-120 ℃ to form a film.
Example 3
The photovoltaic adhesive film comprises the following components in parts by mass based on the mass of the polyolefin photovoltaic adhesive film:
30 parts of polyolefin elastomer POEA, wherein the MI content of the polyolefin elastomer POEA is 5g/10min;
70 parts of polyolefin elastomer POEB, wherein the MI content of the polyolefin elastomer POEB is 18g/10min;
10 parts of modified resin, wherein the thermoplastic elastomer is SEBS and EVA, the ratio of the SEBS to the EVA is 4:6; terpene resin is used as tackifying resin, accounting for 20 percent;
the peroxide cross-linking agent is tert-butyl peroxy-2-ethylhexyl carbonate, 1.2 parts;
the auxiliary cross-linking agent is triallyl cyanurate, 0.8 part;
the silane oligomer coupling agent is vinyl tri (beta-methoxyethoxy) silane and gamma-methacryloxypropyl trimethoxy silane, 0.4 part,
wherein, the mass ratio of the vinyl tri (beta-methoxyethoxy) silane to the gamma-methacryloxypropyl trimethoxy silane is 1:2;
the silane end-capping agent is 3-aminopropyl triethoxysilane, 0.5 part;
0.4 part of antioxidant, wherein the main antioxidant is beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) octadecyl propionate; the auxiliary antioxidant is tris (4-nonylphenol) phosphite ester, and the mass ratio of the main antioxidant to the auxiliary antioxidant is 2:1, a step of;
the light stabilizer is bis (2, 6-tetramethyl-4-piperidinyl) sebacate, 0.4 part;
the ultraviolet absorbent is 2-hydroxy-4-n-octoxybenzophenone, 0.3 part;
when the polyolefin photovoltaic film is used, vacuum lamination operation is needed, after vacuum lamination, the peel strength of the polyolefin photovoltaic film and the embossed glass is 225N/cm, and after aging in a high-temperature 85% high-humidity environment at 85 ℃, the peel strength is 160N/cm and 120kWh/m 2 The peel strength after ultraviolet aging was 178N/cm, the light transmittance was 91.6%, and the crosslinking degree was 88%.
The preparation method comprises the following steps:
step 1: adding the polyolefin elastomer and the modified resin into a mixer according to a proportion, and physically mixing and stirring for 10-30min;
step 2: adding peroxide cross-linking agent into the resin mixture, and stirring for 30-60min;
step 3: dispersing the auxiliary crosslinking agent, the silane oligomer coupling agent, the silane end capping agent, the antioxidant, the light stabilizer and the ultraviolet absorbent for 30-60min by a high-speed dispersing machine;
step 4: adding the auxiliary agent uniformly mixed in the step 3 into the resin mixture in the step 2, and continuously stirring for 6-12 h until the auxiliary agent is completely absorbed;
step 5: and (3) feeding the materials completely absorbed in the step (4) into a screw extruder or a calender through a feeding system, and carrying out tape casting extrusion or calendaring at 80-120 ℃ to form a film.
Example 4
The photovoltaic adhesive film comprises the following components in parts by mass based on the mass of the polyolefin photovoltaic adhesive film:
100 parts of polyolefin elastomer POEA, wherein the MI content of the polyolefin elastomer POEA is 5g/10min;
10 parts of modified resin, wherein the thermoplastic elastomer is SEBS and EVA, the ratio of the SEBS to the EVA is 4:6; terpene resin is used as tackifying resin, accounting for 20 percent;
the peroxide cross-linking agent is tert-butyl peroxy-2-ethylhexyl carbonate, 1.2 parts;
the auxiliary cross-linking agent is triallyl cyanurate, 0.8 part;
the silane oligomer coupling agent is vinyl tri (beta-methoxyethoxy) silane and gamma-methacryloxypropyl trimethoxy silane, 0.4 part,
wherein, the mass ratio of the vinyl tri (beta-methoxyethoxy) silane to the gamma-methacryloxypropyl trimethoxy silane is 1:2;
the silane end-capping agent is 3-aminopropyl triethoxysilane, 0.5 part;
0.4 part of antioxidant, wherein the main antioxidant is beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) octadecyl propionate; the auxiliary antioxidant is tris (4-nonylphenol) phosphite ester, and the mass ratio of the main antioxidant to the auxiliary antioxidant is 2:1, a step of;
the light stabilizer is bis (2, 6-tetramethyl-4-piperidinyl) sebacate, 0.4 part;
the ultraviolet absorbent is 2-hydroxy-4-n-octoxybenzophenone, 0.3 part;
when the polyolefin photovoltaic film is used, vacuum lamination operation is needed, after vacuum lamination, the peel strength of the polyolefin photovoltaic film and the embossed glass is 176N/cm, and after aging in a high-temperature and 85% high-humidity environment at 85 ℃, the peel strength is 109N/cm and 120kWh/m 2 The peel strength after ultraviolet aging was 156N/cm, the light transmittance was 90.5%, and the crosslinking degree was 76%.
The preparation method comprises the following steps:
step 1: adding the polyolefin elastomer and the modified resin into a mixer according to a proportion, and physically mixing and stirring for 10-30min;
step 2: adding peroxide cross-linking agent into the resin mixture, and stirring for 30-60min;
step 3: dispersing the auxiliary crosslinking agent, the silane oligomer coupling agent, the silane end capping agent, the antioxidant, the light stabilizer and the ultraviolet absorbent for 30-60min by a high-speed dispersing machine;
step 4: adding the auxiliary agent uniformly mixed in the step 3 into the resin mixture in the step 2, and continuously stirring for 6-12 h until the auxiliary agent is completely absorbed;
step 5: and (3) feeding the materials completely absorbed in the step (4) into a screw extruder or a calender through a feeding system, and carrying out tape casting extrusion or calendaring at 80-120 ℃ to form a film.
Example 5
The photovoltaic adhesive film comprises the following components in parts by mass based on the mass of the polyolefin photovoltaic adhesive film:
100 parts of polyolefin elastomer POE B, wherein the MI content of the polyolefin elastomer POE B is 5g/10min;
10 parts of modified resin, wherein the thermoplastic elastomer is SEBS and EVA, the ratio of the SEBS to the EVA is 4:6; terpene resin is used as tackifying resin, accounting for 20 percent;
the peroxide cross-linking agent is tert-butyl peroxy-2-ethylhexyl carbonate, 1.2 parts;
the auxiliary cross-linking agent is triallyl cyanurate, 0.8 part;
the silane oligomer coupling agent is vinyl tri (beta-methoxyethoxy) silane and gamma-methacryloxypropyl trimethoxy silane, 0.4 part,
wherein, the mass ratio of the vinyl tri (beta-methoxyethoxy) silane to the gamma-methacryloxypropyl trimethoxy silane is 1:2;
the silane end-capping agent is 3-aminopropyl triethoxysilane, 0.5 part;
0.4 part of antioxidant, wherein the main antioxidant is beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) octadecyl propionate; the auxiliary antioxidant is tris (4-nonylphenol) phosphite ester, and the mass ratio of the main antioxidant to the auxiliary antioxidant is 2:1, a step of;
the light stabilizer is bis (2, 6-tetramethyl-4-piperidinyl) sebacate, 0.4 part;
the ultraviolet absorbent is 2-hydroxy-4-n-octoxybenzophenone, 0.3 part;
when the polyolefin photovoltaic film is used, vacuum lamination operation is needed, after vacuum lamination, the peel strength of the polyolefin photovoltaic film and the embossed glass is 206N/cm, and after aging in a high-temperature and 85% high-humidity environment at 85 ℃, the peel strength is 96N/cm and 120kWh/m 2 The peel strength after ultraviolet aging was 174N/cm, the light transmittance was 90.8%, and the crosslinking degree was 82%.
The preparation method comprises the following steps:
step 1: adding the polyolefin elastomer and the modified resin into a mixer according to a proportion, and physically mixing and stirring for 10-30min;
step 2: adding peroxide cross-linking agent into the resin mixture, and stirring for 30-60min;
step 3: dispersing the auxiliary crosslinking agent, the silane oligomer coupling agent, the silane end capping agent, the antioxidant, the light stabilizer and the ultraviolet absorbent for 30-60min by a high-speed dispersing machine;
step 4: adding the auxiliary agent uniformly mixed in the step 3 into the resin mixture in the step 2, and continuously stirring for 6-12 h until the auxiliary agent is completely absorbed;
step 5: and (3) feeding the materials completely absorbed in the step (4) into a screw extruder or a calender through a feeding system, and carrying out tape casting extrusion or calendaring at 80-120 ℃ to form a film.
Comparative example 1
The photovoltaic adhesive film comprises the following components in parts by mass based on the mass of the polyolefin photovoltaic adhesive film:
30 parts of polyolefin elastomer POE A, wherein the MI content of the polyolefin elastomer POE A is 5g/10min;
70 parts of polyolefin elastomer POEB, wherein the MI content of the polyolefin elastomer POEB is 18g/10min;
the peroxide cross-linking agent is tert-butyl peroxy-2-ethylhexyl carbonate, 1.2 parts;
the auxiliary cross-linking agent is triallyl cyanurate, 0.8 part;
the coupling agent is vinyl tri (beta-methoxyethoxy) silane, 0.4 part;
the end-capping agent is 3-aminopropyl triethoxysilane, 0.5 part;
0.4 part of antioxidant, wherein the main antioxidant is beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) octadecyl propionate; the auxiliary antioxidant is tris (4-nonylphenol) phosphite ester, and the mass ratio of the main antioxidant to the auxiliary antioxidant is 2:1, a step of;
the light stabilizer is bis (2, 6-tetramethyl-4-piperidinyl) sebacate, 0.4 part;
the ultraviolet absorbent is 2-hydroxy-4-n-octoxybenzophenone, 0.3 part.
The preparation procedure is as in example 1.
Comparative example 2
The photovoltaic adhesive film comprises the following components in parts by mass based on the mass of the polyolefin photovoltaic adhesive film:
30 parts of polyolefin elastomer POE A, wherein the MI content of the polyolefin elastomer POE A is 5g/10min;
70 parts of polyolefin elastomer POEB, wherein the MI content of the polyolefin elastomer POEB is 18g/10min;
10 parts of modified resin, wherein the thermoplastic elastomer is SEBS and EVA, the weight ratio of the SEBS to the EVA is 80 percent, and the mass ratio of the SEBS to the EVA is 4:6; terpene resin is used as tackifying resin, accounting for 20 percent;
the peroxide cross-linking agent is tert-butyl peroxy-2-ethylhexyl carbonate, 1.2 parts;
the auxiliary cross-linking agent is triallyl cyanurate, 0.8 part;
the coupling agent is vinyl tri (beta-methoxyethoxy) silane, 0.4 part;
0.4 part of antioxidant, wherein the main antioxidant is beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) octadecyl propionate; the auxiliary antioxidant is tris (4-nonylphenol) phosphite ester, and the mass ratio of the main antioxidant to the auxiliary antioxidant is 2:1, a step of;
the light stabilizer is bis (2, 6-tetramethyl-4-piperidinyl) sebacate, 0.4 part;
the ultraviolet absorbent is 2-hydroxy-4-n-octoxybenzophenone, 0.3 part.
The preparation procedure is as in example 1.
Comparative example 3
The photovoltaic adhesive film comprises the following components in parts by mass based on the mass of the polyolefin photovoltaic adhesive film:
30 parts of polyolefin elastomer POE A, wherein the MI content of the polyolefin elastomer POE A is 5g/10min;
70 parts of polyolefin elastomer POEB, wherein the MI content of the polyolefin elastomer POEB is 18g/10min;
the peroxide cross-linking agent is tert-butyl peroxy-2-ethylhexyl carbonate, 1.2 parts;
the auxiliary cross-linking agent is triallyl cyanurate, 0.8 part;
the coupling agent is vinyl tri (beta-methoxyethoxy) silane, 0.4 part;
0.4 part of antioxidant, wherein the main antioxidant is beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) octadecyl propionate; the auxiliary antioxidant is tris (4-nonylphenol) phosphite ester, and the mass ratio of the main antioxidant to the auxiliary antioxidant is 2:1, a step of;
the light stabilizer is bis (2, 6-tetramethyl-4-piperidinyl) sebacate, 0.4 part;
the ultraviolet absorbent is 2-hydroxy-4-n-octoxybenzophenone, 0.3 part.
The preparation procedure is as in example 1.
Test case
The polyolefin photovoltaic films prepared in examples and comparative examples were tested for anti-slip properties, such as surface friction coefficient, and other characteristic indexes of the photovoltaic films, such as light transmittance, crosslinking degree, peel strength, aging resistance, etc. Surface friction coefficient reference standard GB10006-1988 method for measuring friction coefficient of plastic film and sheet, and other characteristic index reference standard T/CPIA0006-2017 copolymerized olefin adhesive film for packaging photovoltaic modules.
Table 1 shows the results of the test of the coefficient of friction, light transmittance, peel strength before and after aging, etc. of the polyolefin photovoltaic films produced in examples and comparative examples after lamination with a glass plate and a back sheet.
As can be seen by comparing examples 1,2 and 3 with comparative examples 1,2 and 3, the adhesive films added with the modified resin, the silane oligomer coupling agent and the end capping agent have obviously improved friction coefficients on the surfaces of the films, and have small peeling strength attenuation under the high-temperature high-humidity aging condition.
As can be seen from comparative example 1, the adhesive film without the modified resin has a significantly smaller surface friction coefficient and a greater decrease in peel strength under high temperature and high humidity aging.
As can be seen from comparative example 2, the adhesive film without the silane end-capping agent has a smaller surface friction coefficient and a greater peel strength decay under high temperature and humidity aging resistance.
As can be seen from comparative example 3, the adhesive film without the modified resin and the adhesive film with the silane end-capping agent had the smallest surface friction coefficient, the peel strength decreased linearly at high temperature and high humidity and under ultraviolet aging, and the decay was fastest after aging.
The SEBS and EVA in the modified resin increase the viscoelasticity of the system, improve the surface adhesion, and polar groups in the EVA and the terpene resin promote the compatibility of the auxiliary agent and the resin, thereby preventing the auxiliary agent from being separated out in the lamination process. The silane oligomer coupling agent and the silane end capping agent can improve the crosslinking speed of the polymer, increase the crosslinking degree and improve the heat resistance and weather resistance.
The above description is only of the preferred embodiment of the present invention, and is not intended to limit the present invention in any other way, but is intended to cover any modifications or equivalent variations according to the technical spirit of the present invention, which fall within the scope of the present invention as defined by the appended claims.
Claims (21)
1. The polyolefin photovoltaic adhesive film is characterized by comprising the following components:
polyolefin elastomer, modified resin, silane oligomer coupling agent, silane end capping agent and auxiliary agent;
wherein the modified resin comprises a thermoplastic elastomer selected from one or more of SBS, SEBS, SEPS, POE, POP, EAA, EVA, TPU, TPV;
the silane oligomer coupling agent is at least two of vinyl silane, amino silane and methacryloxy silane;
the silane end capping agent is aminopropyl silane or mercaptopropyl silane;
the surface friction coefficient of the polyolefin photovoltaic adhesive film is more than or equal to 0.5;
the polyolefin photovoltaic film is required to be subjected to vacuum lamination operation when in use, after vacuum lamination, the peel strength of the polyolefin photovoltaic film and the embossed glass is more than or equal to 120N/cm, and after aging for 1000 hours in a high-temperature 85% high-humidity environment at the temperature of 85 ℃, the peel strength is more than or equal to 80N/cm, and 120kWh/m 2 The peeling strength after ultraviolet aging is more than or equal to 80N/cm, the light transmittance is more than or equal to 90.5%, and the crosslinking degree is more than or equal to 75%.
2. The polyolefin photovoltaic film according to claim 1, characterized in that it comprises the following components in parts by weight, 100 parts by weight of the polyolefin elastomer, 5-30 parts by weight of the modified resin, 0.1-3 parts by weight of the silane oligomer coupling agent, 0.1-3 parts by weight of the silane blocking agent and 0.35-14 parts by weight of the auxiliary agent.
3. The polyolefin photovoltaic film according to claim 2, characterized in that the polyolefin elastomer comprises either one or both of polyolefin elastomer POE a and polyolefin elastomer POE B, the melt index of the polyolefin elastomer POE a is between 2 and 10g/10min, the octene content is between 30 and 40%, the melt index of the polyolefin elastomer POE B is between 8 and 20g/10min, the octene content is between 20 and 30%.
4. The polyolefin photovoltaic film according to claim 1 or 2, characterized in that the modified resin consists of a thermoplastic elastomer and a tackifying resin.
5. The polyolefin photovoltaic film according to claim 4, wherein the tackifying resin in the modified resin is one or more of rosin resin, terpene resin, petroleum resin, alkyl phenol resin.
6. The polyolefin photovoltaic film according to claim 5, wherein in the modified resin, the thermoplastic elastomer is 60 to 90 parts by mass and the tackifying resin is 10 to 40 parts by mass.
7. The polyolefin photovoltaic film according to claim 6, wherein the thermoplastic elastomer is a mixture of SEBS and EVA in a weight ratio comprised between 1-4 and 6-9.
8. The polyolefin photovoltaic adhesive film according to claim 1 or 2, wherein the silane oligomer coupling agent is at least two of vinyltrimethoxysilane, vinyltriethoxysilane, vinyltris (β -methoxyethoxy) silane, vinyltri-t-butoxysilane, N- (β -aminoethyl) - γ -aminopropyl methyldimethoxysilane, methacryloxy oligomer, γ -methacryloxypropyl trimethoxysilane.
9. The polyolefin photovoltaic adhesive film according to claim 1 or 2, wherein the silane end-capping agent is one or more of 3-aminopropyl triethoxysilane, 3-aminopropyl trimethoxysilane, 3-mercaptopropyl triethoxysilane, N- (β -aminoethyl) - γ -aminopropyl trimethoxysilane, N- (β -aminoethyl) - γ -aminopropyl methyldimethoxysilane, N-butyl-3-aminopropyl trimethoxysilane or N-phenyl-3-aminopropyl trimethoxysilane.
10. The polyolefin photovoltaic film according to claim 1 or 2, wherein the auxiliary agent comprises one or more of peroxide-based crosslinking agent, auxiliary crosslinking agent, antioxidant, light stabilizer and ultraviolet absorber.
11. The polyolefin photovoltaic film according to claim 10, wherein the peroxide-based crosslinking agent is 0.1 to 3 parts by weight, the auxiliary crosslinking agent is 0.1 to 5 parts by weight, the antioxidant is 0.05 to 2 parts by weight, the light stabilizer is 0.05 to 2 parts by weight, and the ultraviolet absorber is 0.05 to 2 parts by weight, based on the mass of the polyolefin photovoltaic film.
12. The polyolefin photovoltaic adhesive film according to claim 10, wherein the peroxide-based crosslinking agent is one or more of tert-butyl peroxy-2-ethylhexyl carbonate, tert-amyl peroxy (2-ethylhexyl) carbonate, tert-butyl peroxybenzoate, tert-butyl peroxyacetate, tert-amyl peroxy-2-ethylhexanoate, tert-butyl peroxy-2-ethylhexanoate, dicumyl peroxide.
13. The polyolefin photovoltaic film according to claim 10, wherein the co-crosslinking agent is one or more of triallyl cyanurate, trimethylolpropane trimethacrylate, triallyl isocyanurate, ethoxylated pentaerythritol tetraacrylate, 3 (ethoxy) trimethylolpropane triacrylate, dipropylene glycol diacrylate, propoxylated neopentyl glycol diacrylate, pentaerythritol triacrylate.
14. The polyolefin photovoltaic film according to claim 10, wherein the antioxidant comprises a primary antioxidant and a secondary antioxidant in a weight ratio of 2:1; the main antioxidant group is beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) octadecyl propionate; the auxiliary antioxidant is tris (4-nonylphenol) phosphite and/or tris (2, 4-di-tert-butylphenyl) phosphite.
15. The polyolefin photovoltaic film according to claim 10, wherein, the light stabilizer is cyanuric chloride polymer, bis (2, 6-tetramethyl-4-piperidyl) sebacate bis (1-octyloxy-2, 6-tetramethyl-4-piperidinyl) sebacate, poly (4-hydroxy-2, 6-tetramethyl-1-piperidylethanol) succinate one or more of bis (1, 2, 6-pentamethyl-4-piperidinyl) sebacate, 2- (2-hydroxy-3-tert-butyl-5-methylphenyl) -5-chlorobenzotriazole, 2, 4-dichloro-6- (4-morpholinyl) -1,3, 5-triazine, 2, 6-tetramethyl-4-piperidinestearate.
16. The polyolefin photovoltaic film according to claim 10, wherein the uv absorber is one or more of 2-hydroxy-4-n-octoxybenzophenone, 2-hydroxy-4-methoxybenzophenone, 2, 4-dihydroxybenzophenone, 2- (2-hydroxy-3, 5-di-tert-butylphenyl) -5-chlorobenzotriazole, 2- (2-hydroxy-5-methylphenyl) benzotriazole, 2- (2-hydroxy-5-tert-octylphenyl) benzotriazole, 2- (4, 6-bis (2, 4-dimethylphenyl) -1,3, 5-triazin-2-yl) -5-octoxyphenol, and n-sixteen 3, 5-di-tert-butyl-4-hydroxybenzoate.
17. The polyolefin photovoltaic film according to claim 1, wherein the vacuum lamination conditions are a lamination temperature of 142-155 ℃, a vacuum time of 5-10 minutes, and a lamination time of 12-18 minutes.
18. The polyolefin photovoltaic film according to claim 1 or 2, wherein the polyolefin photovoltaic film prepared from the above materials has a structure including but not limited to single layer POE, two or more layers POE, POE/EVA, EVA/POE/EVA, POE/TPO, POE/POP.
19. A method of producing a polyolefin photovoltaic film according to any of claims 1 to 18, characterized in that it comprises the steps of:
step 1: adding the polyolefin elastomer and the modified resin into a mixer according to a proportion, and physically mixing and stirring for 10-30min;
step 2: adding peroxide cross-linking agent into the resin mixture, and stirring for 30-60min;
step 3: dispersing the auxiliary crosslinking agent, the silane oligomer coupling agent, the silane end capping agent, the antioxidant, the light stabilizer and the ultraviolet absorbent for 30-60min by a high-speed dispersing machine;
step 4: adding the auxiliary agent uniformly mixed in the step 3 into the resin mixture in the step 2, and continuously stirring for 6-12 h until the auxiliary agent is completely absorbed;
step 5: and (3) feeding the materials completely absorbed in the step (4) into a screw extruder or a calender through a feeding system, and carrying out tape casting extrusion or calendaring at 80-120 ℃ to form a film.
20. The method of claim 19, wherein the polyolefin photovoltaic film has a thickness of 0.1 to 1mm and a grammage of 100 to 800g/m 2 。
21. Use of the polyolefin photovoltaic film according to any of claims 1 to 18 for packaging photovoltaic cells.
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| CN116789883A (en) * | 2023-08-28 | 2023-09-22 | 万华化学集团股份有限公司 | Polyolefin elastomer and application thereof in photovoltaic packaging film |
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| CN116789883A (en) * | 2023-08-28 | 2023-09-22 | 万华化学集团股份有限公司 | Polyolefin elastomer and application thereof in photovoltaic packaging film |
| CN116789883B (en) * | 2023-08-28 | 2024-01-09 | 万华化学集团股份有限公司 | Polyolefin elastomer and application thereof in photovoltaic packaging film |
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