CN116376469A - 一种多功能复合胶膜其制备方法和应用 - Google Patents
一种多功能复合胶膜其制备方法和应用 Download PDFInfo
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- CN116376469A CN116376469A CN202310062092.5A CN202310062092A CN116376469A CN 116376469 A CN116376469 A CN 116376469A CN 202310062092 A CN202310062092 A CN 202310062092A CN 116376469 A CN116376469 A CN 116376469A
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- adhesive film
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- 238000006243 chemical reaction Methods 0.000 claims abstract description 8
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- 229920005989 resin Polymers 0.000 claims description 26
- 239000011347 resin Substances 0.000 claims description 26
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- 238000000034 method Methods 0.000 claims description 17
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- 239000006096 absorbing agent Substances 0.000 claims description 15
- 230000008569 process Effects 0.000 claims description 14
- 239000003431 cross linking reagent Substances 0.000 claims description 11
- NKSJNEHGWDZZQF-UHFFFAOYSA-N ethenyl(trimethoxy)silane Chemical compound CO[Si](OC)(OC)C=C NKSJNEHGWDZZQF-UHFFFAOYSA-N 0.000 claims description 10
- 238000005266 casting Methods 0.000 claims description 9
- 239000003999 initiator Substances 0.000 claims description 8
- 239000003963 antioxidant agent Substances 0.000 claims description 7
- 230000003078 antioxidant effect Effects 0.000 claims description 7
- 239000004611 light stabiliser Substances 0.000 claims description 7
- 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 6
- DAKWPKUUDNSNPN-UHFFFAOYSA-N Trimethylolpropane triacrylate Chemical compound C=CC(=O)OCC(CC)(COC(=O)C=C)COC(=O)C=C DAKWPKUUDNSNPN-UHFFFAOYSA-N 0.000 claims description 6
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- 239000002530 phenolic antioxidant Substances 0.000 claims description 6
- OJMIONKXNSYLSR-UHFFFAOYSA-N phosphorous acid Chemical compound OP(O)O OJMIONKXNSYLSR-UHFFFAOYSA-N 0.000 claims description 6
- DRPJWBIHQOHLND-UHFFFAOYSA-N 4-[dimethoxy(methyl)silyl]oxybutyl 2-methylprop-2-enoate Chemical compound CO[Si](C)(OC)OCCCCOC(=O)C(C)=C DRPJWBIHQOHLND-UHFFFAOYSA-N 0.000 claims description 5
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 5
- 238000012545 processing Methods 0.000 claims description 5
- 239000002096 quantum dot Substances 0.000 claims description 5
- -1 rare earth inorganic compound Chemical class 0.000 claims description 5
- DKTKWMAFBNGURD-UHFFFAOYSA-N tert-butyl 2-ethylhexyl carbonate Chemical compound CCCCC(CC)COC(=O)OC(C)(C)C DKTKWMAFBNGURD-UHFFFAOYSA-N 0.000 claims description 5
- WYTZZXDRDKSJID-UHFFFAOYSA-N (3-aminopropyl)triethoxysilane Chemical compound CCO[Si](OCC)(OCC)CCCN WYTZZXDRDKSJID-UHFFFAOYSA-N 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 4
- DMWVYCCGCQPJEA-UHFFFAOYSA-N 2,5-bis(tert-butylperoxy)-2,5-dimethylhexane Chemical compound CC(C)(C)OOC(C)(C)CCC(C)(C)OOC(C)(C)C DMWVYCCGCQPJEA-UHFFFAOYSA-N 0.000 claims description 4
- FMGBDYLOANULLW-UHFFFAOYSA-N 3-isocyanatopropyl(trimethoxy)silane Chemical compound CO[Si](OC)(OC)CCCN=C=O FMGBDYLOANULLW-UHFFFAOYSA-N 0.000 claims description 4
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 4
- 229920001038 ethylene copolymer Polymers 0.000 claims description 4
- 239000011521 glass Substances 0.000 claims description 4
- 239000012948 isocyanate Substances 0.000 claims description 4
- 150000002513 isocyanates Chemical class 0.000 claims description 4
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 claims description 4
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- APSBXTVYXVQYAB-UHFFFAOYSA-M sodium docusate Chemical group [Na+].CCCCC(CC)COC(=O)CC(S([O-])(=O)=O)C(=O)OCC(CC)CCCC APSBXTVYXVQYAB-UHFFFAOYSA-M 0.000 claims description 4
- FRGPKMWIYVTFIQ-UHFFFAOYSA-N triethoxy(3-isocyanatopropyl)silane Chemical compound CCO[Si](OCC)(OCC)CCCN=C=O FRGPKMWIYVTFIQ-UHFFFAOYSA-N 0.000 claims description 4
- QWOVEJBDMKHZQK-UHFFFAOYSA-N 1,3,5-tris(3-trimethoxysilylpropyl)-1,3,5-triazinane-2,4,6-trione Chemical compound CO[Si](OC)(OC)CCCN1C(=O)N(CCC[Si](OC)(OC)OC)C(=O)N(CCC[Si](OC)(OC)OC)C1=O QWOVEJBDMKHZQK-UHFFFAOYSA-N 0.000 claims description 3
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 claims description 3
- 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 3
- 239000007983 Tris buffer Substances 0.000 claims description 3
- 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 3
- 239000012964 benzotriazole Substances 0.000 claims description 3
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- VXUYXOFXAQZZMF-UHFFFAOYSA-N titanium(IV) isopropoxide Chemical compound CC(C)O[Ti](OC(C)C)(OC(C)C)OC(C)C VXUYXOFXAQZZMF-UHFFFAOYSA-N 0.000 claims description 3
- PZWQOGNTADJZGH-SNAWJCMRSA-N (2e)-2-methylpenta-2,4-dienoic acid Chemical compound OC(=O)C(/C)=C/C=C PZWQOGNTADJZGH-SNAWJCMRSA-N 0.000 claims description 2
- JYEUMXHLPRZUAT-UHFFFAOYSA-N 1,2,3-triazine Chemical compound C1=CN=NN=C1 JYEUMXHLPRZUAT-UHFFFAOYSA-N 0.000 claims description 2
- 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 2
- HTCRKQHJUYBQTK-UHFFFAOYSA-N 2-ethylhexyl 2-methylbutan-2-yloxy carbonate Chemical compound CCCCC(CC)COC(=O)OOC(C)(C)CC HTCRKQHJUYBQTK-UHFFFAOYSA-N 0.000 claims description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 2
- 150000008360 acrylonitriles Chemical class 0.000 claims description 2
- RWCCWEUUXYIKHB-UHFFFAOYSA-N benzophenone Chemical compound C=1C=CC=CC=1C(=O)C1=CC=CC=C1 RWCCWEUUXYIKHB-UHFFFAOYSA-N 0.000 claims description 2
- 239000012965 benzophenone Substances 0.000 claims description 2
- QRUDEWIWKLJBPS-UHFFFAOYSA-N benzotriazole Chemical compound C1=CC=C2N[N][N]C2=C1 QRUDEWIWKLJBPS-UHFFFAOYSA-N 0.000 claims description 2
- 229910010272 inorganic material Inorganic materials 0.000 claims description 2
- 239000007788 liquid Substances 0.000 claims description 2
- 229920002037 poly(vinyl butyral) polymer Polymers 0.000 claims description 2
- 150000002910 rare earth metals Chemical class 0.000 claims description 2
- YGSDEFSMJLZEOE-UHFFFAOYSA-M salicylate Chemical compound OC1=CC=CC=C1C([O-])=O YGSDEFSMJLZEOE-UHFFFAOYSA-M 0.000 claims description 2
- 229960001860 salicylate Drugs 0.000 claims description 2
- 239000000741 silica gel Substances 0.000 claims description 2
- 229910002027 silica gel Inorganic materials 0.000 claims description 2
- LTOKKZDSYQQAHL-UHFFFAOYSA-N trimethoxy-[4-(oxiran-2-yl)butyl]silane Chemical compound CO[Si](OC)(OC)CCCCC1CO1 LTOKKZDSYQQAHL-UHFFFAOYSA-N 0.000 claims description 2
- IEKHISJGRIEHRE-UHFFFAOYSA-N 16-methylheptadecanoic acid;propan-2-ol;titanium Chemical compound [Ti].CC(C)O.CC(C)CCCCCCCCCCCCCCC(O)=O.CC(C)CCCCCCCCCCCCCCC(O)=O.CC(C)CCCCCCCCCCCCCCC(O)=O IEKHISJGRIEHRE-UHFFFAOYSA-N 0.000 claims 1
- GTELLNMUWNJXMQ-UHFFFAOYSA-N 2-ethyl-2-(hydroxymethyl)propane-1,3-diol;prop-2-enoic acid Chemical class OC(=O)C=C.OC(=O)C=C.OC(=O)C=C.CCC(CO)(CO)CO GTELLNMUWNJXMQ-UHFFFAOYSA-N 0.000 claims 1
- IIXGAMLWYYNCHK-UHFFFAOYSA-N 2-ethylhexyl 2-methylbutan-2-yl carbonate Chemical compound C(OC(C)(C)CC)(OCC(CCCC)CC)=O IIXGAMLWYYNCHK-UHFFFAOYSA-N 0.000 claims 1
- 229920000554 ionomer Polymers 0.000 claims 1
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- 239000005038 ethylene vinyl acetate Substances 0.000 description 4
- 230000007774 longterm Effects 0.000 description 4
- 239000011159 matrix material Substances 0.000 description 4
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- 238000012360 testing method Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 229920001169 thermoplastic Polymers 0.000 description 3
- 239000004416 thermosoftening plastic Substances 0.000 description 3
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
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- 229910021417 amorphous silicon Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 125000003354 benzotriazolyl group Chemical group N1N=NC2=C1C=CC=C2* 0.000 description 1
- DQXBYHZEEUGOBF-UHFFFAOYSA-N but-3-enoic acid;ethene Chemical compound C=C.OC(=O)CC=C DQXBYHZEEUGOBF-UHFFFAOYSA-N 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
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- ZFSLODLOARCGLH-UHFFFAOYSA-N isocyanuric acid Chemical compound OC1=NC(O)=NC(O)=N1 ZFSLODLOARCGLH-UHFFFAOYSA-N 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
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- HQYALQRYBUJWDH-UHFFFAOYSA-N trimethoxy(propyl)silane Chemical compound CCC[Si](OC)(OC)OC HQYALQRYBUJWDH-UHFFFAOYSA-N 0.000 description 1
- 239000006097 ultraviolet radiation absorber Substances 0.000 description 1
Classifications
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- 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
- C09J123/0846—Copolymers of ethene with unsaturated hydrocarbons containing other atoms than carbon or hydrogen atoms
- C09J123/0853—Vinylacetate
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- 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
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- 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
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- 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
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
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- 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
- H01L31/06—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 characterised by at least one potential-jump barrier or surface barrier
- H01L31/072—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 characterised by at least one potential-jump barrier or surface barrier the potential barriers being only of the PN heterojunction type
- H01L31/0745—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 characterised by at least one potential-jump barrier or surface barrier the potential barriers being only of the PN heterojunction type comprising a AIVBIV heterojunction, e.g. Si/Ge, SiGe/Si or Si/SiC solar cells
- H01L31/0747—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 characterised by at least one potential-jump barrier or surface barrier the potential barriers being only of the PN heterojunction type comprising a AIVBIV heterojunction, e.g. Si/Ge, SiGe/Si or Si/SiC solar cells comprising a heterojunction of crystalline and amorphous materials, e.g. heterojunction with intrinsic thin layer or HIT® solar cells; solar cells
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- 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
- C09J2203/33—Applications of adhesives in processes or use of adhesives in the form of films or foils for batteries or fuel cells
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- 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
- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/20—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive itself
- C09J2301/208—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive itself the adhesive layer being constituted by at least two or more adjacent or superposed adhesive layers, e.g. multilayer adhesive
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- 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
- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/40—Additional features of adhesives in the form of films or foils characterized by the presence of essential components
- C09J2301/408—Additional features of adhesives in the form of films or foils characterized by the presence of essential components additives as essential feature of the adhesive layer
-
- 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
Abstract
本发明公开了一种多功能复合胶膜及其制备方法和应用。本发明的多功能复合胶膜,包括胶膜层和电池片粘结层,所述电池片粘结层为单层结构或双层结构;所述电池片粘结层为双层结构时,包括电池片面粘结层和胶膜面粘结层,且所述电池片粘结层的电池片面粘结层经接枝改性,所述胶膜层含UV光转剂。本发明的多功能复合胶膜,与HJT电池片的粘结性能好,层压后无阴影,TC200后组件功率衰减小。
Description
技术领域
本发明涉及胶膜技术领域,尤其涉及一种多功能复合胶膜及其制备方法和应用。
背景技术
HJT(Heterojunction with Intrinsic Thin Film的缩写),是一种N型单晶双面电池,具有工艺简单、发电量高、度电成本低的优势,逐渐成为光伏行业研究热点。HJT电池由在晶体硅上沉积非晶硅薄膜制成,HJT电池的结构能够改善PN结的性能,使转换效率和开路电压得到提高。
虽然HJT电池片的发电效率高,但其本身也有一定的缺陷,例如:(1)电池片本身容易被UV光破坏,进而影响整个组件的发电效率;(2)电池片表面为金属氧化无涂层,与常规封装胶膜粘结性较差,老化过程中易出现胶膜与电池片脱层现象;(3)电池片本身不耐高温,因而无法采用传统焊接方式制备电池串,需使用低温银浆制备的焊带进行低温串焊;相应的低温焊带价格高;(4)HJT电池片本身主栅银的用量较高,整体价格贵。
CN110713803B公开了一种热塑性光伏组件封装胶膜及制备方法,它包括气体阻隔层以及形成在气体阻隔层上下表面的粘结层,所述粘结层由100重量份的第一光伏基体树脂、0.1-1重量份的增粘剂、0.1-3重量份的助交联剂、0-50重量份的颜料和0-3重量份的加工助剂组成;所述第一光伏基体树脂由5-50重量份乙烯-醋酸乙烯酯树脂、15-95重量份的改性聚烯烃透明树脂和0-35重量份聚烯烃透明树脂组成;所述热塑性光伏组件封装胶膜具有1-50%的预交联度。由于不含交联剂,可避免挤出加工中在螺杆内交联,可大幅提高生产速度,加工工艺简单,生产效率高,应用于光伏组件中,具有良好的耐候性。但是,该封装胶膜用于HJT电池片的制备时,胶膜与电池片的粘结力、组件功率及耐老化性能有待进一步提高。
CN112980340A公开了一种封装HJT电池用封装胶膜及其制备方法、制得的光伏组件。封装HJT电池用封装胶膜,包括粘结层和EVA层;所述粘结层主要由按重量份数计的如下组分制得:基体树脂100份、改性树脂5-10份和助剂1-5份;所述改性树脂主要由基体树脂、引发剂和粘结单体反应制得。该发明通过在粘结层中引入特定的改性树脂,使封装胶膜的增粘机理适应HJT表面复合ITO减反陷光层,实现胶膜与异质结电池片的完整粘合,提高胶膜与HJT电池片的剥离强度;同时,EVA层对钢化玻璃或背板表面具有强剥离强度,提高HJT组件长期可靠性及使用寿命。但是,该胶膜的耐老化性能有待进一步提高,
发明内容
针对现有技术的不足,本发明的目的在于提供一种多功能复合胶膜及其制备方法和应用,本发明的多功能复合胶膜,提升了胶膜整体的耐热性,减少了层压过程中的胶膜的流动性,保证在没有前期串焊工艺的条件下组件能够顺利生产,胶膜不会渗入到焊带与电池片之间进而影响组件发电,同时起到固定焊带的作用,保证了组件长期使用的可靠性和稳定性,可吸收紫外光同时可将紫外光转换为对电池片没有损伤的可见光,既减少了紫外光对电池片的损害,又提升了太阳光的利用效率进而提升组件发电功率。
为达此目的,本发明采用以下技术方案:
一种多功能复合胶膜,包括胶膜层和电池片粘结层,所述电池片粘结层为单层结构或双层结构;所述电池片粘结层为双层结构时,包括电池片面粘结层和胶膜面粘结层,且所述电池片粘结层的电池片面粘结层经接枝改性,所述胶膜层含UV光转剂。
本发明的多功能复合胶膜,通过增加耐热性更高的电池片粘结层,减少了层压过程中的胶膜的流动性,保证在没有前期串焊工艺的条件下组件能够顺利生产,胶膜不会渗入到焊带与电池片之间进而影响组件发电,同时固定了焊带,保证了组件长期使用的可靠性和稳定性。
需要说明的是,本发明的多功能复合胶膜是指进一步提升了胶膜整体的耐热性,减少层压过程中胶膜流动性;可吸收紫外光同时可将紫外光转换为对电池片没有损伤的可见光,既减少了紫外光对电池片的损害,又提升了太阳光的利用效率进而提升组件发电功率。
所述胶膜层为单层胶膜层或多层胶膜层,按重量份计,所述胶膜层为单层胶膜层时包含如下组分:
主树脂的重量份为100份。
主交联剂的重量份为0.2-1份,例如为0.2份、0.3份、0.4份、0.5份、0.6份、0.7份、0.8份、0.9份、1份等。
助交联剂的重量份为0.4-1.5份,例如为0.4份、0.5份、0.6份、0.7份、0.8份、0.9份、1份、1.1份、1.2份、1.3份、1.4份、1.5份等。
偶联剂的重量份为0.1-0.6份,例如为0.1份、0.2份、0.3份、0.4份、0.5份、0.6份等。
UV光转剂的重量份为0-0.5份,例如为0、0.1份、0.2份、0.3份、0.4份、0.5份等。
UV吸收剂的重量份为0-0.5份,例如为0、0.1份、0.2份、0.3份、0.4份、0.5份等。
抗老化剂的重量份为0.1-0.4份,例如为0.1份、0.2份、0.3份、0.4份等。
所述胶膜层为多层胶膜层时,包含玻璃面胶膜层和电池面胶膜层;
优选地,按重量份计,所述玻璃面胶膜层包含如下组分:
主树脂的重量份为100份。
主交联剂的重量份为0.5-1份,例如为0.1份、0.2份、0.3份、0.4份、0.5份等。
助交联剂的重量份为0.5-1.5份,例如为0.5份、0.6份、0.7份、0.8份、0.9份、1份、1.1份、1.2份、1.3份、1.4份、1.5份等。
偶联剂的重量份为0.1-0.6份,例如为0.1份、0.2份、0.3份、0.4份、0.5份、0.6份等。
UV光转剂的重量份为0.1-0.3份,例如为0.1份、0.2份、0.3份等。
抗老化剂的重量份为0.1-0.3份,例如为0.1份、0.2份、0.3份等。
优选地,按重量份计,所述电池面胶膜层包含如下组分:
主树脂的重量份为100份。
主交联剂的重量份为0.5-1份,例如为0.1份、0.2份、0.3份、0.4份、0.5份等。
助交联剂的重量份为0.5-1.5份,例如为0.5份、0.6份、0.7份、0.8份、0.9份、1份、1.1份、1.2份、1.3份、1.4份、1.5份等。
偶联剂的重量份为0.1-0.6份,例如为0.1份、0.2份、0.3份、0.4份、0.5份、0.6份等。
UV吸收剂的重量份为0.1-0.3份,例如为0.1份、0.2份、0.3份等。
抗老化剂的重量份为0.1-0.3份,例如为0.1份、0.2份、0.3份等。
本发明中,胶膜层主要起封装作用,同时起到UV光转换,UV光截止的功能。胶膜层为可以是常规封装胶膜,但为了增加光转及截止的功能,需对助剂体系进行相应的调整。胶膜层的整体厚度,根据需要可在200-800μm,例如为200μm、300μm、400μm、500μm、600μm、700μm或800μm等。
所述胶膜层中,所述主树脂为乙烯共聚物、聚乙烯醇缩丁醛、硅烷接枝乙烯共聚物、乙烯-甲基丙烯酸离子聚合物或液体硅胶中的任意一种或至少两种的混合物。
优选地,所述主交联剂包含过氧化2-乙基己基碳酸叔丁酯(TBEC)、过氧化(2-乙基己基)碳酸叔戊酯(TAEC)、过氧化二异丙苯(DCP)、2,5-二甲基-2,5-二(叔丁基过氧基)己烷中的任意一种或至少两种的混合物。
优选地,所述助交联剂包含三烯丙基异氰脲酸酯(TAIC)、三甲代烯丙基异氰酸酯(TMAIC)、三羟甲基丙烷三丙烯酸酯(TMPTA)、三羟甲基丙烷三甲基丙烯酸酯(TMPTMA)、或季戊四醇三丙烯酸酯(PETA)、乙氧化三羟甲基丙烷三丙烯酸酯(乙氧化TMPTA)、丙氧化三羟甲基丙烷三丙烯酸酯(丙氧化TMPTA)中的任意一种或至少两种的混合物。
优选地,所述偶联剂包含3-甲基丙烯酰氧基丙基甲基三甲氧基硅烷、3-缩水甘油丙基三甲氧基硅烷、乙烯基三甲氧基硅烷、3-氨丙基三乙氧基硅烷、乙烯基三甲氧基硅烷、三异硬脂酰基钛酸异丙酯、异丙基三(二辛基焦磷酸酰氧基)钛酸酯、异氰酸酯基丙基三甲氧基硅烷、异氰酸酯基丙基三乙氧基硅烷、1,3,5-三(三甲氧基硅丙基)异氰脲酸酯中的任意一种或至少两种的混合物。
优选地,所述UV光转剂包含有机荧光颜料、稀土有机配合物、稀土无机化合物、CdSe量子点或钙钛矿量子点中的任意一种或至少两种的混合物。
优选地,所述UV吸收剂包含二苯甲酮类紫外吸收剂、苯并三唑类紫外吸收剂、水杨酸酯类紫外吸收剂、取代丙烯腈类紫外吸收剂和三嗪类紫外吸收剂中的任意一种或至少两种的混合物。
优选地,所述抗老化剂包含酚系抗氧剂、亚磷酸酯系抗氧剂和受阻胺类光稳定剂中的任意一种或至少两种的混合物。
按重量份计,所述电池片粘结层包含如下组分:
主树脂的重量份为100份。
引发剂的重量份为0.05-0.3份,例如为0.05份、0.06份、0.07份、0.08份、0.09份、0.1份、0.15份、0.2份、0.25份、0.3份等。
硅烷的重量份为0.5-4份,例如为0.5份、1份、1.5份、2份、2.5份、3份、3.5份、4份等。
抗老化剂的重量份为0.1-0.5份,例如为0.1份、0.2份、0.3份、0.4份、0.5份等。
按重量份计,所述胶膜粘结层包含如下组分:
主树脂的重量份为100份。
抗老化剂的重量份为0.1-1份,例如为0.1份、0.2份、0.3份、0.4份、0.5份、0.6份、0.7份、0.8份、0.9份、1份等。
电池片粘结层的设置解决了高耐热性树脂与电池片等被贴物粘结力不足、老化脱层等问题,且粘结层经过接枝改性,会使粘结性、长期耐老化性等进一步提升。电池片粘结层包括电池片面粘结层和胶膜面粘结层,主要起到在层压过程中保证焊带与电池片充分粘结,同时保证胶膜层不会进入焊带与电池片之间进而影响导电的作用。同时该层还起到和电池片的粘结作用,因此产品整体与电池片的高粘功能也由该层进行体现。厚度可以为80-120μm,例如电池片粘结层的厚度为、80μm、85μm、90μm、95μm、100μm、105μm、110μm、115μm、120μm等。
所述电池片面粘结层中,所述主树脂为POE。
优选地,所述引发剂为过氧化2-乙基己基碳酸叔丁酯(TBEC)、过氧化(2-乙基己基)碳酸叔戊酯(TAEC)、过氧化二异丙苯(DCP)、2,5-二甲基-2,5-二(叔丁基过氧基)己烷中的任意一种或至少两种的混合物。
优选地,所述硅烷偶联剂为3-甲基丙烯酰氧基丙基甲基三甲氧基硅烷、3-缩水甘油丙基三甲氧基硅烷、乙烯基三甲氧基硅烷、3-氨丙基三乙氧基硅烷、乙烯基三甲氧基硅烷、三异硬脂酰基钛酸异丙酯、异丙基三(二辛基焦磷酸酰氧基)钛酸酯、异氰酸酯基丙基三甲氧基硅烷,异氰酸酯基丙基三乙氧基硅烷、1,3,5-三(三甲氧基硅丙基)异氰脲酸酯中的任意一种或至少两种的混合物,优选为乙烯基三甲氧基硅烷,限定范围与胶膜层的限定范围一致,通过硅烷偶联剂接枝改性后一方面是提升了电池面与电池片的剥离力,同时减少了树脂的流动性。
优选地,所述抗老化剂为酚系抗氧剂(BHT)、亚磷酸酯系抗氧剂和受阻胺类光稳定剂中的任意一种或至少两种的混合物。
所述胶膜面粘结层中,所述树脂为PE、PP和PE-g-PA中的任意一种或至少两种的混合物。
优选地,所述抗老化剂为酚系抗氧剂(BHT)、亚磷酸酯系抗氧剂和受阻胺类光稳定剂中的任意一种或至少两种的混合物。
所述胶膜层为单层或多层,优选地,所述胶膜层的厚度为200-800μm,例如为200μm、300μm、400μm、500μm、600μm、700μm、800μm等。
所述电池片粘结层为单层或双层结构,为双层结构时,接触电池片的一侧为电池片面粘结层,接触胶膜的一侧为胶膜面粘结层;为单侧结构时不做上述区分。
所述电池片面粘结层为单层结构时,厚度为80-120μm,例如为80μm、90μm、100μm、110μm、120μm等。
所述电池片粘结层为双层结构时,所述电池片面粘结层的厚度为40-60μm,例如为40μm、45μm、50μm、55μm、60μm等;所述胶膜面粘结层的厚度为40-60μm,例如为40μm、45μm、50μm、55μm、60μm等。
本发明的目的之二在于提供一种目的之一所述的多功能复合胶膜的制备方法,先通过熔融接枝制备接枝改性原料,通过单层或双层共挤流延制备出电池片粘结层,然后在胶膜层流延过程中,将电池片粘结层与胶膜层附复合,得到所述多功能复合胶膜。
优选地,所述电池片粘结层的接枝改性工艺具体为:将偶联剂在1-4h内喷入主树脂中,搅拌1-4h,待偶联剂吸收完全后加入造粒机中,在100-280℃的加工条件下进行接枝造粒,接枝造粒完成后的粒子与引发剂、抗老化剂混合后直接流延成膜。
本发明的目的之三在于提供一种目的之一所述的多功能复合胶膜的应用,将所述多功能复合胶膜用于HJT电池的制备。
与现有技术相比,本发明的有益效果为:
本发明的多功能复合胶膜,与HJT电池片的粘结性能好,层压后无阴影,TC200后组件功率衰减小。具体的,本发明的多功能复合胶膜,与HJT电池片剥离力为64.8-83.9N/cm,层压后无阴影,TC200后无明显阴影,TC200后组件功率衰减0.98-1.73%,组件功率为618-622w,及经UV60kwh后组件功率为610-613w。
具体实施方式
下面通过具体实施方式来进一步说明本发明的技术方案。
如无具体说明,本发明的各种原料均可市售购得,或根据本领域的常规方法制备得到。
实施例1
本实施例的多功能复合胶膜包括厚度为400μm的胶膜层和厚度为90μm的电池片粘结层,具体组成如表1所示。
本实施例的多功能复合胶膜,通过如下方法制备得到:
先通过熔融接枝制备接枝改性原料,通过单层或双层共挤流延制备出电池片粘结层,然后在胶膜层流延过程中,将电池片粘结层与胶膜层复合,得到多功能复合胶膜。
电池片粘结层的接枝改性工艺具体为:将偶联剂在3h内喷入主树脂中,搅拌3h,待偶联剂吸收完全后加入造粒机中,在260℃的加工条件下进行接枝造粒,接枝造粒完成后的粒子与引发剂、抗老化剂混合后直接流延成膜。
实施例2-7
实施例2-7的多功能复合胶膜具体组成如表1所示,本实施例的制备方法与实施例1的相同。
对比例1
本对比例与实施例1的区别之处在于,只含有胶膜层,不含粘结层,其他的与实施例1的均相同。
对比例2
本对比例与实施例1的区别之处在于,粘结层没有经偶联剂接枝改性,具体组成如表1所示,制备方法同实施例1。
对比例3
本对比例与实施例1的区别之处在于,胶膜层无UV光转剂,具体组成如表1所示,制备方法同实施例1。
其中,EVA的具体型号为韩华EV282,POE为陶氏38660,主交联剂-1为TBEC(阿科玛),主交联剂-2为TAEC(阿科玛),助交联剂-1为TAIC(湖南民合),偶联剂为3-甲基丙烯酰氧基丙基甲基三甲氧基硅烷(开士达),乙烯基三甲氧基硅烷(开士达),引发剂为双25(阿科玛),抗老化剂为光稳定剂为770(宿迁联盛),抗氧化剂为BHT(宿迁联盛),UV吸收剂为苯并三唑类紫外吸收剂(宿迁联盛),UV光转剂为钙钛矿量子点。
表1
注“/”表示未添加。
对实施例1-7与对比例1-3制得的多功能复合胶膜进行性能测试,测试结果如表2所示。
其中,各性能指标的测试方法与测试标准如下:
剥离力:GB/T 29848-2018;
层压后EL(electroluminescence,电致发光)测试:IEC 61215&61730;
TC200后EL:IEC 61215&61730;
组件功率、UV60kwh后组件功率、TC200后组件功率衰减的测试参照IEC61215&61730进行。
表2
由表2数据可以看出,本发明的多功能复合胶膜,与HJT电池片的粘结性能好,层压后无阴影,TC200后组件功率衰减小。具体的,本发明的多功能复合胶膜,与HJT电池片剥离力为64.8-83.9N/cm,层压后无阴影,TC200后无明显阴影,TC200后组件功率衰减0.98-1.73%,组件功率为618-622w,及经UV60kwh后组件功率为610-613w。
对比例1仅含有胶膜层,不含粘结层,会使胶膜与HJT电池片剥离力大幅下降,层压后出现大量阴影发黑。
对比例2粘结层未经接枝改性,会使胶膜与HJT电池片剥离力大幅下降,层压后出现大量阴影发黑,TC200后出现大量阴影发黑,TC200后组件功率大幅衰减,组件功率及经UV60kwh后组件功率均下降。
对比例3不添加光转剂,即使初始组件能够制备完成,但组件功率相对偏低。
本发明通过上述实施例来说明本发明的详细工艺设备和工艺流程,但本发明并不局限于上述详细工艺设备和工艺流程,即不意味着本发明必须依赖上述详细工艺设备和工艺流程才能实施。所属技术领域的技术人员应该明了,对本发明的任何改进,对本发明产品各原料的等效替换及辅助成分的添加、具体方式的选择等,均落在本发明的保护范围和公开范围之内。
以上详细描述了本发明的优选实施方式,但是,本发明并不限于上述实施方式中的具体细节,在本发明的技术构思范围内,可以对本发明的技术方案进行多种简单变型,这些简单变型均属于本发明的保护范围。
另外需要说明的是,在上述具体实施方式中所描述的各个具体技术特征,在不矛盾的情况下,可以通过任何合适的方式进行组合,为了避免不必要的重复,本发明对各种可能的组合方式不再另行说明。
此外,本发明的各种不同的实施方式之间也可以进行任意组合,只要其不违背本发明的思想,其同样应当视为本发明所公开的内容。
Claims (11)
1.一种多功能复合胶膜,其特征在于,包括胶膜层和电池片粘结层,所述电池片粘结层为单层结构或双层结构;所述电池片粘结层为双层结构时,包括电池片面粘结层和胶膜面粘结层,且所述电池片粘结层的电池片面粘结层经接枝改性,所述胶膜层含UV光转剂。
3.根据权利要求2所述的多功能复合胶膜,其特征在于,所述胶膜层中,所述主树脂为乙烯共聚物、聚乙烯醇缩丁醛、硅烷接枝乙烯共聚物、乙烯-甲基丙烯酸离子聚合物或液体硅胶中的任意一种或至少两种的混合物;
优选地,所述主交联剂包含过氧化2-乙基己基碳酸叔丁酯、过氧化(2-乙基己基)碳酸叔戊酯、过氧化二异丙苯、2,5-二甲基-2,5-二(叔丁基过氧基)己烷中的任意一种或至少两种的混合物;
优选地,所述助交联剂包含三烯丙基异氰脲酸酯、三甲代烯丙基异氰酸酯、三羟甲基丙烷三丙烯酸酯、三羟甲基丙烷三甲基丙烯酸酯、或季戊四醇三丙烯酸酯、乙氧化三羟甲基丙烷三丙烯酸酯、丙氧化三羟甲基丙烷三丙烯酸酯中的任意一种或至少两种的混合物;
优选地,所述偶联剂包含硅烷偶联剂和/或异氰酸酯偶联剂;
优选地,所述UV光转剂包含有机荧光颜料、稀土有机配合物、稀土无机化合物、CdSe量子点或钙钛矿量子点中的任意一种或至少两种的混合物;
优选地,所述UV吸收剂包含二苯甲酮类紫外吸收剂、苯并三唑类紫外吸收剂、水杨酸酯类紫外吸收剂、取代丙烯腈类紫外吸收剂和三嗪类紫外吸收剂中的任意一种或至少两种的混合物;
优选地,所述抗老化剂包含酚系抗氧剂、亚磷酸酯系抗氧剂和受阻胺类光稳定剂中的任意一种或至少两种的混合物。
4.根据权利要求2所述的多功能复合胶膜,其特征在于,所述硅烷偶联剂包含3-甲基丙烯酰氧基丙基甲基三甲氧基硅烷、3-缩水甘油丙基三甲氧基硅烷、乙烯基三甲氧基硅烷、3-氨丙基三乙氧基硅烷、乙烯基三甲氧基硅烷、三异硬脂酰基钛酸异丙酯、异丙基三(二辛基焦磷酸酰氧基)钛酸酯中的任意一种或至少两种的混合物;
优选地,所述异氰酸酯偶联剂包含异氰酸酯基丙基三甲氧基硅烷、异氰酸酯基丙基三乙氧基硅烷、1,3,5-三(三甲氧基硅丙基)异氰脲酸酯中的任意一种或至少两种的混合物。
6.根据权利要求5所述的多功能复合胶膜,其特征在于,所述电池片面粘结层中,所述主树脂为POE;
优选地,所述引发剂为过氧化2-乙基己基碳酸叔丁酯、过氧化(2-乙基己基)碳酸叔戊酯、过氧化二异丙苯、2,5-二甲基-2,5-二(叔丁基过氧基)己烷中的任意一种或至少两种的混合物;
优选地,所述硅烷偶联剂为3-甲基丙烯酰氧基丙基甲基三甲氧基硅烷、3-缩水甘油丙基三甲氧基硅烷、乙烯基三甲氧基硅烷、3-氨丙基三乙氧基硅烷、乙烯基三甲氧基硅烷、三异硬脂酰基钛酸异丙酯、异丙基三(二辛基焦磷酸酰氧基)钛酸酯、异氰酸酯基丙基三甲氧基硅烷,异氰酸酯基丙基三乙氧基硅烷、1,3,5-三(三甲氧基硅丙基)异氰脲酸酯中的任意一种或至少两种的混合物;
优选地,所述抗老化剂为酚系抗氧剂、亚磷酸酯系抗氧剂和受阻胺类光稳定剂中的任意一种或至少两种的混合物。
7.根据权利要求5所述的多功能复合胶膜,其特征在于,所述胶膜面粘结层中,所述树脂为PE、PP和PE-g-PA中的任意一种或至少两种的混合物;
优选地,所述抗老化剂为酚系抗氧剂、亚磷酸酯系抗氧剂和受阻胺类光稳定剂中的任意一种或至少两种的混合物。
8.根据权利要求1-7之一所述的多功能复合胶膜,其特征在于,所述胶膜层为单层或多层;
优选地,所述胶膜层的厚度为200-800μm。
9.根据权利要求1-8之一所述的多功能复合胶膜,其特征在于,所述电池片粘结层的厚度为80-120μm;
优选地,所述电池片粘结层为双层结构时,所述电池片面粘结层的厚度为40-60μm,所述胶膜面粘结层的厚度为40-60μm。
10.一种如权利要求1-9之一所述的多功能复合胶膜的制备方法,其特征在于,包括如下步骤:
先通过熔融接枝制备接枝改性原料,通过单层或双层共挤流延制备出电池片粘结层,然后在胶膜层流延过程中,将电池片粘结层与胶膜层复合,得到所述多功能复合胶膜;优选地,所述电池片粘结层的接枝改性工艺具体为:将偶联剂在1-4h内喷入主树脂中,搅拌1-4h,待偶联剂吸收完全后加入造粒机中,在100-280℃的加工条件下进行接枝造粒,接枝造粒完成后的粒子与引发剂、抗老化剂混合后直接流延成膜。
11.一种如权利要求1-9之一所述的多功能复合胶膜的应用,其特征在于,将所述多功能复合胶膜用于HJT电池的制备。
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