CN110616047A - 太阳能封装材料用预辐照白色eva封装胶膜及制备方法 - Google Patents
太阳能封装材料用预辐照白色eva封装胶膜及制备方法 Download PDFInfo
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- 239000002313 adhesive film Substances 0.000 title claims abstract description 47
- 238000004806 packaging method and process Methods 0.000 title claims abstract description 36
- 239000005022 packaging material Substances 0.000 title claims abstract description 18
- 238000002360 preparation method Methods 0.000 title claims abstract description 13
- 239000005038 ethylene vinyl acetate Substances 0.000 title description 67
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 title description 65
- DQXBYHZEEUGOBF-UHFFFAOYSA-N but-3-enoic acid;ethene Chemical compound C=C.OC(=O)CC=C DQXBYHZEEUGOBF-UHFFFAOYSA-N 0.000 title description 64
- 229920005989 resin Polymers 0.000 claims abstract description 22
- 239000011347 resin Substances 0.000 claims abstract description 22
- 239000007822 coupling agent Substances 0.000 claims abstract description 17
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- 238000000034 method Methods 0.000 claims abstract description 9
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- 150000001335 aliphatic alkanes Chemical group 0.000 claims description 12
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- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 claims description 8
- 239000012752 auxiliary agent Substances 0.000 claims description 8
- 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 6
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 claims description 6
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 6
- 125000004432 carbon atom Chemical group C* 0.000 claims description 6
- 238000010894 electron beam technology Methods 0.000 claims description 6
- 238000005507 spraying Methods 0.000 claims description 6
- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 claims description 6
- 238000001035 drying Methods 0.000 claims description 5
- 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 4
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 4
- 239000004593 Epoxy Substances 0.000 claims description 4
- 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 4
- 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 4
- 238000009835 boiling Methods 0.000 claims description 4
- 239000012442 inert solvent Substances 0.000 claims description 4
- -1 polysiloxane Polymers 0.000 claims description 4
- SCYULBFZEHDVBN-UHFFFAOYSA-N 1,1-Dichloroethane Chemical compound CC(Cl)Cl SCYULBFZEHDVBN-UHFFFAOYSA-N 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- OTARVPUIYXHRRB-UHFFFAOYSA-N diethoxy-methyl-[3-(oxiran-2-ylmethoxy)propyl]silane Chemical compound CCO[Si](C)(OCC)CCCOCC1CO1 OTARVPUIYXHRRB-UHFFFAOYSA-N 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- MYOQALXKVOJACM-UHFFFAOYSA-N (2-methylpropan-2-yl)oxy pentaneperoxoate Chemical compound CCCCC(=O)OOOC(C)(C)C MYOQALXKVOJACM-UHFFFAOYSA-N 0.000 claims description 2
- WVGXBYVKFQJQGN-UHFFFAOYSA-N 1-tert-butylperoxy-2-propan-2-ylbenzene Chemical compound CC(C)C1=CC=CC=C1OOC(C)(C)C WVGXBYVKFQJQGN-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
- JMWGZSWSTCGVLX-UHFFFAOYSA-N 2-ethyl-2-(hydroxymethyl)propane-1,3-diol;2-methylprop-2-enoic acid Chemical compound CC(=C)C(O)=O.CC(=C)C(O)=O.CC(=C)C(O)=O.CCC(CO)(CO)CO JMWGZSWSTCGVLX-UHFFFAOYSA-N 0.000 claims description 2
- GFLJTEHFZZNCTR-UHFFFAOYSA-N 3-prop-2-enoyloxypropyl prop-2-enoate Chemical compound C=CC(=O)OCCCOC(=O)C=C GFLJTEHFZZNCTR-UHFFFAOYSA-N 0.000 claims description 2
- VSYDLUXFKAXBBY-UHFFFAOYSA-N C(C=1C(C(=O)O)=CC=CC1)(=O)O.C(C=C)(=O)O.C(C=C)(=O)O.C(COCCO)O Chemical compound C(C=1C(C(=O)O)=CC=CC1)(=O)O.C(C=C)(=O)O.C(C=C)(=O)O.C(COCCO)O VSYDLUXFKAXBBY-UHFFFAOYSA-N 0.000 claims description 2
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 2
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- 150000002513 isocyanates Chemical class 0.000 claims description 2
- AZQGFVRDZTUHBU-UHFFFAOYSA-N isocyanic acid;triethoxy(propyl)silane Chemical compound N=C=O.CCC[Si](OCC)(OCC)OCC AZQGFVRDZTUHBU-UHFFFAOYSA-N 0.000 claims description 2
- VKSCZTWQDPUHIK-UHFFFAOYSA-N isocyanic acid;trimethoxy(propyl)silane Chemical compound N=C=O.CCC[Si](OC)(OC)OC VKSCZTWQDPUHIK-UHFFFAOYSA-N 0.000 claims description 2
- 239000000155 melt Substances 0.000 claims description 2
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 claims description 2
- 229920000371 poly(diallyldimethylammonium chloride) polymer Polymers 0.000 claims description 2
- 229920001296 polysiloxane Polymers 0.000 claims description 2
- 230000005855 radiation Effects 0.000 claims description 2
- DQZNLOXENNXVAD-UHFFFAOYSA-N trimethoxy-[2-(7-oxabicyclo[4.1.0]heptan-4-yl)ethyl]silane Chemical compound C1C(CC[Si](OC)(OC)OC)CCC2OC21 DQZNLOXENNXVAD-UHFFFAOYSA-N 0.000 claims description 2
- BPSIOYPQMFLKFR-UHFFFAOYSA-N trimethoxy-[3-(oxiran-2-ylmethoxy)propyl]silane Chemical compound CO[Si](OC)(OC)CCCOCC1CO1 BPSIOYPQMFLKFR-UHFFFAOYSA-N 0.000 claims description 2
- 239000000853 adhesive Substances 0.000 claims 7
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- IQXCJRMSRMVIQG-UHFFFAOYSA-N C1(=CC=CC=C1)C(C(=O)OCCC(C(C(CCCCCCCCCCCCC)C(C)(C)C)O)C(C)(C)C)C Chemical compound C1(=CC=CC=C1)C(C(=O)OCCC(C(C(CCCCCCCCCCCCC)C(C)(C)C)O)C(C)(C)C)C IQXCJRMSRMVIQG-UHFFFAOYSA-N 0.000 claims 1
- 230000008569 process Effects 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 239000012466 permeate Substances 0.000 abstract description 3
- 238000004132 cross linking Methods 0.000 description 7
- 230000000052 comparative effect Effects 0.000 description 5
- 238000003475 lamination Methods 0.000 description 5
- 238000007334 copolymerization reaction Methods 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- 150000002978 peroxides Chemical class 0.000 description 4
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 3
- 239000002250 absorbent Substances 0.000 description 3
- 230000002745 absorbent Effects 0.000 description 3
- 238000005266 casting Methods 0.000 description 3
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- 230000007547 defect Effects 0.000 description 2
- QUAMTGJKVDWJEQ-UHFFFAOYSA-N octabenzone Chemical group OC1=CC(OCCCCCCCC)=CC=C1C(=O)C1=CC=CC=C1 QUAMTGJKVDWJEQ-UHFFFAOYSA-N 0.000 description 2
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 2
- HGOUNPXIJSDIKV-UHFFFAOYSA-N 2,2-bis(hydroxymethyl)butyl 2-methylprop-2-enoate Chemical compound CCC(CO)(CO)COC(=O)C(C)=C HGOUNPXIJSDIKV-UHFFFAOYSA-N 0.000 description 1
- KRDXTHSSNCTAGY-UHFFFAOYSA-N 2-cyclohexylpyrrolidine Chemical group C1CCNC1C1CCCCC1 KRDXTHSSNCTAGY-UHFFFAOYSA-N 0.000 description 1
- XDLMVUHYZWKMMD-UHFFFAOYSA-N 3-trimethoxysilylpropyl 2-methylprop-2-enoate Chemical group CO[Si](OC)(OC)CCCOC(=O)C(C)=C XDLMVUHYZWKMMD-UHFFFAOYSA-N 0.000 description 1
- 239000007983 Tris buffer Substances 0.000 description 1
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- 238000010924 continuous production Methods 0.000 description 1
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- 239000011521 glass Substances 0.000 description 1
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- 230000008018 melting Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 238000003825 pressing Methods 0.000 description 1
- 230000001235 sensitizing effect Effects 0.000 description 1
- 239000005341 toughened glass Substances 0.000 description 1
- FRGPKMWIYVTFIQ-UHFFFAOYSA-N triethoxy(3-isocyanatopropyl)silane Chemical group CCO[Si](OCC)(OCC)CCCN=C=O FRGPKMWIYVTFIQ-UHFFFAOYSA-N 0.000 description 1
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- 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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- 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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- 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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- 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
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- H—ELECTRICITY
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- 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
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- H01L31/042—PV modules or arrays of single PV cells
- H01L31/048—Encapsulation of modules
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Abstract
本发明涉及一种太阳能封装材料用封装胶膜。目的是提供一种太阳能封装材料用预辐照白色EVA封装胶膜及制备方法；该预辐射白色EVA封装胶膜提升了辐照均匀性，同时尺寸稳定性好，膜与膜之间不会相互渗透且界面清晰，外观良好；所述制备方法工艺简单、生产效率高，适于大规模推广应用。技术方案是：太阳能封装材料用预辐照白色EVA封装胶膜，包括以下成分及相应质量份：EVA树脂：100；交联剂：0.3‑0.8；偶联剂：0.2‑0.4；抗氧化剂：0.1‑0.3；敏化剂：0.01‑1。
Description
技术领域
本发明涉及一种太阳能封装材料用封装胶膜，具体是太阳能封装材料用辐射预交联的乙烯-醋酸乙烯酯树脂膜及其制备方法。
背景技术
太阳能电池由钢化玻璃、封装胶膜、电池片、封装胶膜和TPT背板五层材料按顺序叠放后压合而成。
太阳能电池封装胶膜以EVA(ethylene-vinyl acetate copo；乙烯-醋酸乙烯共聚物)为主要材料；EVA具有透明、柔软、有热熔粘结性，熔融温度低，熔融流动性好的等特点，这些特征满足了胶膜制造与太阳能电池封装的需求，但是有颜色的EVA膜和透明的EVA膜上下铺设同时使用时，由于尺寸稳定性差，常常会导致有颜色膜与透明膜之间的界面不清楚，层压时有颜色膜容易流动而影响外观。因此，如何提高白色或者其他颜色EVA胶膜的尺寸稳定性成为太阳能电池封装行业的一个难点。
发明内容
本发明的目的是克服上述背景技术的不足，提供一种太阳能封装材料用预辐照白色EVA封装胶膜及制备方法；该预辐射白色EVA封装胶膜提升了辐照均匀性，同时尺寸稳定性好，膜与膜之间不会相互渗透且界面清晰，外观良好；所述制备方法工艺简单、生产效率高，适于大规模推广应用。
本发明提供的技术方案是：太阳能封装材料用预辐照白色EVA封装胶膜，包括以下成分及相应质量份：
所述偶联剂为硅烷类偶联剂与带抗水解耐热官能团的烯烃加成物，结构如下：
RX(R1O)3-XSi(CH2)nY
X＝0,1,2,3，
n＝1,2,3,4,5,6,…12,
R是烷烃或卤代烷烃，其中的烷烃是碳原子为1-12个的烷烃、或是碳原子为5-8个的环烷烃；
R1是卤代烷烃或碳原子为1-4个的烷烃；
Y为带有环氧基、异氰酸酯基或酰基官能团的烃基；
所述EVA树脂的熔值为10g/10min～30g/10min。
进一步优选，所述EVA树脂的VA(乙酸乙烯)的含量为28-33％。
优选地，所述交联剂为过氧化二异丙苯、2，5-二叔丁基过氧化-2，5-二甲基己烷、叔丁基过氧化异丙苯、丁基-4，4-双(叔丁基过氧基)戊酸酯、叔丁基过氧化碳酸-2-乙基己酯中的一种或两种以上任意比例的混合。
优选地，所述抗氧剂为三(2，4-二叔丁基苯基)亚磷酸酯、2，2-亚甲基-双(-4-甲基-6-叔丁基苯酚)、3，5-二特丁基-4-羟基苯丙酸十八酯中的一种或两种以上任意比例的混合。
所述抗敏化剂为四氯化碳、三烯丙基异氰脲酸酯(TAIC)、三(甲基丙烯酸三羟甲基)丙烷酯(TMPT)、邻苯二甲酸二乙二醇二丙烯酸酯(PDDA)、季戊四醇三丙烯酸酯(PETA)中的一种或两种以上任意比例的混合。
所述偶联剂为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、2-(3,4-环氧环己烷基)乙基三乙氧基硅烷、2-(3,4-环氧环己烷基)乙基三甲氧基硅烷、环氧基改性聚硅氧烷、3-(2,3-环氧丙氧)丙基三甲氧基硅烷、3-烯丙氧丙基三甲氧基硅、3-(2,3-环氧丙氧)丙基甲基二乙氧基硅烷中的一种或两种以上任意比例的混合。
太阳能封装材料用预辐照白色EVA封装胶膜的制备方法，其制备步骤是：喷涂过助剂的EVA树脂经过混料机混合均匀，进入烘房至少24h后投入流延机里，在70-90℃温度环境下，经过塑化挤出、拉伸、牵引、收卷制成厚度为0.4-0.5mm的EVA胶膜。
所述喷涂方法为：将各类助剂用低沸点惰性溶剂溶解后喷涂于EVA树脂表面；低沸点惰性溶剂为二甲苯、二氯乙烷、二氯甲烷、乙醚、丙酮中的一种或两种混合。
所述EVA胶膜在收卷步骤经过电子束辐照后得到预辐照的白色EVA封装胶膜，辐射剂量为为2～50KGY。
本发明的有益效果是：本发明采用高能射线辐射EVA膜而使其产生了预交联；加入的敏化剂又提升了预交联的均匀性，因而提高了胶膜的尺寸稳定性和耐热性，解决了常规胶膜使用时因加热而发生的尺寸、形状变化大的缺陷；同时膜与膜之间不会相互渗透且界面清晰，外观良好；所述制备方法工艺简单，可连续化生产因此生产效率高，适于大规模推广应用。
具体实施方式
本发明的思路是：通过添加敏化剂，有效提升预交联均匀性；从而提高胶膜的尺寸稳定性和耐热性，进而提升EVA封装胶膜的品质。
以下通过具体实施例进一步说明。
实施例1
一种太阳能电池封装胶膜，含有EVA、交联剂、偶联剂、抗氧化剂、敏化剂，所述太阳能电池封装胶膜中交联剂为2，5-二叔丁基过氧化-2，5-二甲基己烷，其质量为EVA质量的0.5％，所述抗氧化剂为三(2，4-二叔丁基苯基)亚磷酸酯，其质量为EVA质量的0.1％，所述偶联剂为异氰酸酯基丙基三乙氧基硅烷，其质量为EVA质量的0.3％，所述敏化剂为四氯化碳，其质量为EVA质量的1％。将各类助剂用二甲苯溶解后喷涂于EVA树脂表面，EVA树脂经过混料机混合均匀，在40℃烘房放置24h后投入流延机里，经过80℃塑化挤出、拉伸、牵引、收卷制成厚度为0.5mm的EVA胶膜；其中在收卷步骤通过电子束20KGY剂量的辐照得到预交联白色EVA封装胶膜。在层压工艺条件下通过EVA树脂中的过氧化物引发交联共聚。
实施例2
一种太阳能电池封装胶膜，含有EVA、交联剂、偶联剂、抗氧化剂、敏化剂，所述太阳能电池封装胶膜中交联剂为过氧化二异丙苯，其质量为EVA质量的0.3％，所述抗氧化剂为3，5-二特丁基-4-羟基苯丙酸十八酯，其质量为EVA质量的0.3％，所述偶联剂为3-(2,3-环氧丙氧)丙基甲基二乙氧基硅烷，其质量为EVA质量的0.4％，所述敏化剂为三(甲基丙烯酸三羟甲基)丙烷酯(TMPT)，其质量为EVA质量的0.01％。将各类助剂用二氯乙烷溶解后喷涂于EVA树脂表面，EVA树脂经过混料机混合均匀，在40℃烘房放置24h后投入流延机里，经过80℃塑化挤出、拉伸、牵引、收卷制成厚度为0.4mm的EVA胶膜；其中在收卷步骤通过电子束20KGY剂量的辐照得到预交联白色EVA封装胶膜。在层压工艺条件下通过EVA树脂中的过氧化物引发交联共聚。
实施例3
一种太阳能电池封装胶膜，含有EVA、交联剂、偶联剂、抗氧化剂、敏化剂，所述太阳能电池封装胶膜中交联剂为叔丁基过氧化异丙苯，其质量为EVA质量的0.8％，所述抗氧化剂为2，2-亚甲基-双(-4-甲基-6-叔丁基苯酚)，其质量为EVA质量的0.2％，所述偶联剂为2-(3,4-环氧环己烷基)乙基三乙氧基硅烷，其质量为EVA质量的0.2％，所述敏化剂为三烯丙基异氰脲酸酯(TAIC)，其质量为EVA质量的0.1％。将各类助剂用乙醚溶解后喷涂于EVA树脂表面，EVA树脂经过混料机混合均匀，在40℃烘房放置24h后投入流延机里，经过80℃塑化挤出、拉伸、牵引、收卷制成厚度为0.45mm的EVA胶膜；其中在收卷步骤通过电子束20KGY剂量的辐照得到预交联白色EVA封装胶膜。在层压工艺条件下通过EVA树脂中的过氧化物引发交联共聚。
对比例1
一种太阳能电池封装胶膜，含有EVA、交联剂、紫外线吸收剂、偶联剂、抗氧化剂，所述太阳能电池封装胶膜中交联剂为2，5-二叔丁基过氧化-2，5-二甲基己烷，其质量为EVA质量的0.5％，所述EVA中乙酸乙烯的含量为28％，所述紫外线吸收剂为2-羟基-4-正辛氧基二苯甲酮，其质量为EVA质量的0.2％％，所述抗氧化剂为三(2，4-二叔丁基苯基)亚磷酸酯，其质量为EVA质量的0.1％，所述偶联剂为γ-甲基丙烯酰氧基丙基三甲氧基硅烷，其质量为EVA质量的0.3％。将各类助剂用二甲苯溶解后喷涂于EVA树脂表面，EVA树脂经过混料机混合均匀，经过80℃塑化挤出、拉伸、牵引、收卷制成厚度为0.45mm的EVA胶膜。其中在收卷步骤通过电子束20KGY剂量的辐照得到预交联白色EVA封装胶膜。在层压工艺条件下通过EVA树脂中的过氧化物引发交联共聚。
经过各项测试，实施例1～实施例3与对比例1生产得到太阳能电池封装胶膜的技术性能参数如下：
由上表可知：在其它技术参数完全一致的条件下，比较实施例1～实施3封装胶膜的双85老化1000h后与玻璃剥离强度显著大于对比例1封装胶膜制备的太阳能电池的剥离强度，且在层压测试中外观也要优于对比例1封装胶膜。
虽然已经参照以上实施方式说明了本发明，但是，应该理解的是本发明不限于所公开的实施方式。所附权利要求书的范围应在最宽泛的范围内进行解释，以涵盖所有变型、等同结构和功能。
Claims (9)
1.太阳能封装材料用预辐照白色EVA封装胶膜，包括以下成分及相应质量份：
所述偶联剂为硅烷类偶联剂与带抗水解耐热官能团的烯烃加成物，结构如下：
RX(R1O)3-XSi(CH2)nY
X＝0,1,2,3，
n＝1,2,3,4,5,6,…12,
R是烷烃或卤代烷烃，其中的烷烃是碳原子为1-12个的烷烃、或是碳原子为5-8个的环烷烃；
R1是卤代烷烃或碳原子为1-4个的烷烃；
Y为带有环氧基、异氰酸酯基或酰基官能团的烃基；
所述EVA树脂的熔值为10g/10min～30g/10min。
2.根据权利要求1所述的太阳能封装材料用预辐照白色EVA封装胶膜，其特征在于：所述EVA树脂的VA的含量为28-33％。
3.根据权利要求2所述的太阳能封装材料用预辐照白色EVA封装胶膜，其特征在于：所述交联剂为过氧化二异丙苯、2，5-二叔丁基过氧化-2，5-二甲基己烷、叔丁基过氧化异丙苯、丁基-4，4-双(叔丁基过氧基)戊酸酯、叔丁基过氧化碳酸-2-乙基己酯中的一种或两种以上任意比例的混合。
4.根据权利要求3所述的太阳能封装材料用预辐照白色EVA封装胶膜，其特征在于：所述抗氧剂为三(2，4-二叔丁基苯基)亚磷酸酯、2，2-亚甲基-双(-4-甲基-6-叔丁基苯酚)、3，5-二特丁基-4-羟基苯丙酸十八酯中的一种或两种以上任意比例的混合。
5.根据权利要求4所述的太阳能封装材料用预辐照白色EVA封装胶膜，其特征在于：所述抗敏化剂为四氯化碳、三烯丙基异氰脲酸酯(TAIC)、三(甲基丙烯酸三羟甲基)丙烷酯(TMPT)、邻苯二甲酸二乙二醇二丙烯酸酯(PDDA)、季戊四醇三丙烯酸酯(PETA)中的一种或两种以上任意比例的混合。
6.根据权利要求5所述的太阳能封装材料用预辐照白色EVA封装胶膜，其特征在于：所述偶联剂为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、2-(3,4-环氧环己烷基)乙基三乙氧基硅烷、2-(3,4-环氧环己烷基)乙基三甲氧基硅烷、环氧基改性聚硅氧烷、3-(2,3-环氧丙氧)丙基三甲氧基硅烷、3-烯丙氧丙基三甲氧基硅、3-(2,3-环氧丙氧)丙基甲基二乙氧基硅烷中的一种或两种以上任意比例的混合。
7.权利要求1所述的太阳能封装材料用预辐照白色EVA封装胶膜的制备方法，其制备步骤是：喷涂过助剂的EVA树脂经过混料机混合均匀，进入烘房至少24h后投入流延机里，在70-90℃温度环境下，经过塑化挤出、拉伸、牵引、收卷制成厚度为0.4-0.5mm的EVA胶膜。
8.根据权利要求7所述的太阳能封装材料用预辐照白色EVA封装胶膜的制备方法，其特征在于：所述喷涂方法为：将各类助剂用低沸点惰性溶剂溶解后喷涂于EVA树脂表面；低沸点惰性溶剂为二甲苯、二氯乙烷、二氯甲烷、乙醚、丙酮中的一种或两种混合。
9.根据权利要求7所述的太阳能封装材料用预辐照白色EVA封装胶膜的制备方法，其特征在于：所述EVA胶膜在收卷步骤经过电子束辐照，辐射剂量为2～50KGY。
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| CN114921187A (zh) * | 2022-06-27 | 2022-08-19 | 苏州赛伍应用技术股份有限公司 | 一种封装胶膜及其制备方法和应用 |
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| CN114921187A (zh) * | 2022-06-27 | 2022-08-19 | 苏州赛伍应用技术股份有限公司 | 一种封装胶膜及其制备方法和应用 |
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