CN107216540A - 一种转光封装胶膜及制备方法和应用 - Google Patents
一种转光封装胶膜及制备方法和应用 Download PDFInfo
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- CN107216540A CN107216540A CN201710556323.2A CN201710556323A CN107216540A CN 107216540 A CN107216540 A CN 107216540A CN 201710556323 A CN201710556323 A CN 201710556323A CN 107216540 A CN107216540 A CN 107216540A
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- Prior art keywords
- methacrylic acid
- vinyl acetate
- europium
- copolymer
- acetate copolymer
- 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.)
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- 238000002360 preparation method Methods 0.000 title claims abstract description 16
- 238000006243 chemical reaction Methods 0.000 claims abstract description 41
- 239000005038 ethylene vinyl acetate Substances 0.000 claims abstract description 39
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 claims abstract description 39
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- 229920001577 copolymer Polymers 0.000 claims abstract description 25
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims abstract description 20
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- BKXXAKFUNIXESS-UHFFFAOYSA-N europium;2-methylprop-2-enoic acid Chemical compound [Eu].CC(=C)C(O)=O BKXXAKFUNIXESS-UHFFFAOYSA-N 0.000 claims abstract description 13
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- JZZKGJOHPIBRDB-UHFFFAOYSA-K europium(3+) prop-2-enoate Chemical compound [Eu+3].[O-]C(=O)C=C.[O-]C(=O)C=C.[O-]C(=O)C=C JZZKGJOHPIBRDB-UHFFFAOYSA-K 0.000 claims abstract description 10
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- OMPJBNCRMGITSC-UHFFFAOYSA-N Benzoylperoxide Chemical compound C=1C=CC=CC=1C(=O)OOC(=O)C1=CC=CC=C1 OMPJBNCRMGITSC-UHFFFAOYSA-N 0.000 claims abstract description 6
- 235000019400 benzoyl peroxide Nutrition 0.000 claims abstract description 6
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- -1 Polyethylene Polymers 0.000 claims description 8
- XBDQKXXYIPTUBI-UHFFFAOYSA-N dimethylselenoniopropionate Natural products CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 claims description 8
- DFDHQKJHKAUBGP-UHFFFAOYSA-N prop-2-enoic acid;yttrium Chemical compound [Y].OC(=O)C=C DFDHQKJHKAUBGP-UHFFFAOYSA-N 0.000 claims description 8
- DMZUKDRIRUYBIU-UHFFFAOYSA-N manganese;prop-2-enoic acid Chemical compound [Mn].OC(=O)C=C DMZUKDRIRUYBIU-UHFFFAOYSA-N 0.000 claims description 7
- 229920005989 resin Polymers 0.000 claims description 7
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- HVLLSGMXQDNUAL-UHFFFAOYSA-N triphenyl phosphite Chemical group C=1C=CC=CC=1OP(OC=1C=CC=CC=1)OC1=CC=CC=C1 HVLLSGMXQDNUAL-UHFFFAOYSA-N 0.000 claims description 6
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 claims description 5
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- IUVKMZGDUIUOCP-BTNSXGMBSA-N quinbolone Chemical compound O([C@H]1CC[C@H]2[C@H]3[C@@H]([C@]4(C=CC(=O)C=C4CC3)C)CC[C@@]21C)C1=CCCC1 IUVKMZGDUIUOCP-BTNSXGMBSA-N 0.000 claims description 4
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- 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
- 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
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- UICXTANXZJJIBC-UHFFFAOYSA-N 1-(1-hydroperoxycyclohexyl)peroxycyclohexan-1-ol Chemical compound C1CCCCC1(O)OOC1(OO)CCCCC1 UICXTANXZJJIBC-UHFFFAOYSA-N 0.000 claims 1
- AKUNSTOMHUXJOZ-UHFFFAOYSA-N 1-hydroperoxybutane Chemical compound CCCCOO AKUNSTOMHUXJOZ-UHFFFAOYSA-N 0.000 claims 1
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- GXURZKWLMYOCDX-UHFFFAOYSA-N 2,2-bis(hydroxymethyl)propane-1,3-diol;dihydroxyphosphanyl dihydrogen phosphite Chemical class OP(O)OP(O)O.OCC(CO)(CO)CO GXURZKWLMYOCDX-UHFFFAOYSA-N 0.000 claims 1
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 claims 1
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- 125000005456 glyceride group Chemical group 0.000 claims 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 claims 1
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Classifications
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- 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
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Abstract
本发明公开了一种转光封装胶膜及制备方法和应用,它由乙烯‑醋酸乙烯酯共聚物、增容剂、交联剂、上转换粒子、抗氧剂组成,步骤是:A、先制备波长转化粒子,将丙烯酸铕、甲基丙烯酸铕、丙烯酸甲基丙烯酸铕共聚物等混合加入到水溶液中;B、将丙烯酸铕、甲基丙烯酸铕、丙烯酸甲基丙烯酸铕共聚物等搅拌混合均匀,获得混合物;C、在混合物中滴加过氧化苯甲酰引发剂溶液,制备微米级荧光粉粒子;D、将乙烯‑醋酸乙烯酯共聚物、增容剂,波长转换粒子和抗氧剂在高混机中混合均匀,投入挤出机中混炼;E、经过流延、压花、冷却,进行成膜,通过牵引裁切,通过收卷工序得。配方合理,转光封装胶膜透光率好、转光效率高、分散均匀,耐老化性能高。
Description
技术领域
本发明属于光伏封装胶膜技术领域,更具体涉及一种转光封装胶膜,同时还涉及一种转光封装胶膜的制备方法,还涉及一种转光封装胶膜在提高太阳能电池组件光谱转换效率的EVA封装胶膜和POE封装胶膜中的用途。
背景技术
目前太阳能电池封装用胶膜在国内的发展已初具规模,其粘结强度、可见光透过率、抗高温高湿紫外老化能力均可与国外产品相媲美。
EVA是乙烯醋酸乙烯酯共聚物,是一种柔韧性和粘接性能好,具有良好透光性能和耐老化性能的透明胶体。它将晶体硅片组“上盖下垫”,将硅晶片组包封,并和上层保护材料玻璃,下层保护材料背板利用真空层压技术粘合为一体构成晶体硅组件。长期的实践证明:它在太阳电池封装与户外使用均获得相当满意的效果,但是在转光封装胶膜方面还没有产品出现。虽然CN102732160A发明了一种提高太阳能电池组件光谱转换效率的EVA封装胶膜,但是对功率的提升只字未提。CN102093628A发明了一种光转化特性的EVA胶膜及其制备方法,但是只能理论上有这种现象,还没有实际应用的数据,也没有相关的组件测试。
POE是乙烯辛烯共聚物,结晶的乙烯链作为交联点,柔顺的辛烯具有卷曲结构,通过两种不同的微区形成物理交联的作用,是一种不需要硫化的弹性体。POE具有优异的韧性又具有良好地加工性;没有不饱和双键,耐老化性优异;良好的流动性,可改善填料的分散效果。作为封装材料基材,其性能及成本均优于EVA。CN102863916A发明了一种POE光谱转换太阳能电池封装胶膜及其制备方法,理论上可以提高组件功率。
在封装胶膜中混入转光粒子是荧光粉材料应用于太阳能电池较为简单、高效的方式。中国专利CN200710302510.4在聚乙烯(聚丙乙烯、聚氯乙烯)基材中混入上转换材料、下转换材料、长余辉材料,增加了太阳光的利用率,提高了电池板的发电效率,延长了电池板的发电时间和使用寿命。中国专利CN200710302510.4在EVA中掺杂稀土配合物,替换配方中的紫外光稳定剂和吸收剂,使紫外光得到利用,可实现生产率优异的光电转换效率高的太阳能电池组件。
上述专利方案存在如下两个问题:1、EVA、POE作为封装材料的基材与转光粒子混合的分散性和相容性的问题,2.没有涉及到波长转换粒子的加工工艺和制备。
发明内容
本发明的目的是在于提供了一种转光封装胶膜,配方合理,使用方便,该太阳能转光封装胶膜透光率好、转光效率高、分散均匀,耐老化性能高,成本低等优点。
本发明的另一个目的是在于提供了一种转光封装胶膜的制备方法,方法易行,操作简便,成本较低,适用于大规模生产,通过流延法生产胶膜,生产简单,提高组件功率,使用寿命长。
本发明还有一个目的是在于提供了一种转光封装胶膜在提高太阳能电池组件光谱转换效率的EVA封装胶膜和POE封装胶膜中的应用,提高组件1%左右的功率,操作简便,成本低,使用寿命长。
为了实现上述目的,本发明采用如下的技术方案:
一种转换封装胶膜,它由以下重量份的原料制成:
所述的一种转光封装胶膜主要成份是EVA树脂或POE树脂,同时还含有增容剂、交联剂、波长转换粒子、抗氧剂等助剂。
所述的EVA是乙烯醋酸乙烯共聚物,POE是乙烯-辛烯共聚物。
所述的乙烯-醋酸乙烯酯共聚物中VA含量在25-35%之间,熔融指数在0.1-40g/10min,熔点为40-90℃,透光率≥90%。
所述的增容剂为极性基团接枝改性功能树脂,具体包括乙烯-醋酸乙烯酯共聚物接枝马来酸酐、乙烯-醋酸乙烯酯共聚物接枝丙烯酸、乙烯-醋酸乙烯酯共聚物接枝甲基丙烯酸缩水甘油酯、乙烯-醋酸乙烯酯共聚物接枝磺酸,聚乙烯接枝马来酸酐中的一种或二至五种的任意一种或二至五种的任意混合;
所述的交联剂为叔丁基过氧化-异丙基碳酸酯、过氧化二苯甲酰、叔丁基过氧化碳酸-2-乙基己酯、过氧化二异丙苯、2,5-二甲基-2,5-双(叔丁基过氧基)己烷、过氧化环己酮、叔丁基过氧化氢、过氧苯甲酸叔丁酯、过氧乙酸叔丁酯、过氧重碳酸二-(4-叔丁基环己基)酯中的一种或二至九种的任意混合;
所述的上转换粒子为NaYF4:Er,Yb、丙烯酸铕、甲基丙烯酸铕、丙烯酸甲基丙烯酸铕共聚物、丙烯酸锰、甲基丙烯酸锰、丙烯酸甲基丙烯酸锰共聚物、丙烯酸钇、甲基丙烯酸钇、丙烯酸甲基丙烯酸钇共聚物中的一种或二至十种的任意混合;
所述抗氧剂为亚磷酸三苯酯、亚磷酸三(壬基苯基)酯、二硬脂酸季戊四醇二亚磷酸酯、1,3,5-三(4-叔丁基-3羟基-2,6-二甲基苯基)-1,3,5-三嗪-2,4,6-(1H,3H,5H)-三酮、2,6-二叔丁基-4-甲基苯酚、四[β-(3,5-二叔丁基-4-羟基苯基)丙酸]季戊四醇酯、三(2,4-二叔丁基苯基)亚磷酸酯,β-(4-羟基-3,5-二叔丁基苯基)丙酸正十八碳醇酯中的一种或二至八种的任意混合;
一种转换封装胶膜,它由以下重量份的原料制成(优选范围):
一种转换封装胶膜,它由以下重量份的原料制成(较好范围):
一种转换封装胶膜,它由以下重量份的原料制成(好范围):
一种转换封装胶膜,它由以下重量份的原料制成(最好范围):
一种转换封装胶膜,它由以下重量份的原料制成(具体值):
一种转光封装胶膜的制备方法,其步骤是:
A、先制备波长转化粒子,将丙烯酸铕、甲基丙烯酸铕、丙烯酸甲基丙烯酸铕共聚物、丙烯酸锰、甲基丙烯酸锰、丙烯酸甲基丙烯酸锰共聚物、丙烯酸钇、甲基丙烯酸钇、丙烯酸甲基丙烯酸钇共聚物中的一种或二至九种的任意混合加入到水溶液中;
B、将丙烯酸铕、甲基丙烯酸铕、丙烯酸甲基丙烯酸铕共聚物、丙烯酸锰、甲基丙烯酸锰、丙烯酸甲基丙烯酸锰共聚物、丙烯酸钇、甲基丙烯酸钇、丙烯酸甲基丙烯酸钇共聚物进行搅拌28-32min,混合均匀,获得混合物;
C、在混合物中滴加过氧化苯甲酰引发剂溶液,制备微米级荧光粉粒子;
D、将乙烯-醋酸乙烯酯共聚物、增容剂,波长转换粒子和抗氧剂其它助剂在高混机(型号为SRL-Z)中混合均匀,投入挤出机中混炼,挤出机温度控制在80~120℃;
E、经过流延、压花、冷却温度控制在30~50℃,进行成膜,通过牵引裁切,最后通过收卷工序即得一种转光封装胶膜。
通过上述技术措施,解决了上转换材料在封装材料中分散性和相容性问题,通过聚合物基体包覆的稀土材料,能够形成单分散,通过相似者相容原理,其与封装的相容性最好。能够提高光伏胶膜的透光率,使用最少用量的上转换材料,节约成本。通过使用上转换材料,能够使组件的功率提高1%,发电量提高0.9%。其发明相对于现有技术的进步在于通过核心技术合成了稀土材料-高分子核壳结构的上转换材料,能够应用在光伏胶膜中,从而提高了组件功率和发电量,降低光伏发电的度电成本。
所述的波长转换粒子是通过丙烯酸酯与稀土材料,通过共聚反应,形成有机-无机纳米复合粒子,具有单分散的性能。
所述的增容剂是为了提高EVA或POE基体树脂与波长转换粒子的相容性,使转光封装胶膜保持均一的性状。
将EVA或POE树脂与波长转换粒子、交联剂、增容剂、抗氧剂等助剂混合均匀,经挤出机混炼后通过T形模具挤出流延成膜。加工温度根据EVA或POE的流动性,设定在60-110℃流延成膜,冷却后牵引收卷,即为本发明的转光封装胶膜。
所述的转光封装胶膜与光伏镀膜玻璃,电池片,截止型封装胶膜,背板组装成组件,抽真空、高压热层压后可以获得大于75%的交联度。较佳的层压温度在130-160℃之间,抽真空时间在3-5分钟,层压时间在8-15分钟。
所述的一种转光封装胶膜的厚度可以是任何合适的厚度。较佳的厚度为0.1-0.8mm。
所述的一种转光封装胶膜的透光率达到90%以上。
一种转光封装胶膜在提高太阳能电池组件光谱转换效率的EVA封装胶膜和POE封装胶膜中的应用,其步骤是:
A、电池片检测,电池片焊接,在自动串焊机上,通过焊带将10片电池片串焊起来。
B、组件叠层,先放置光伏玻璃,再放上转换胶膜,再放置电池片串,用汇流条将其并联起来,放置下层封装胶膜,最后放置背板或光伏玻璃。
C、组件层压,通过在层压机中将上述组件叠层高温高压层压,将电池片封装在组件中。
D、组件装框、安装接线盒、组件清洗等。
本发明与现有技术相比,具有以下优点和效果:
通过添加转光粒子与胶膜共混,以增容剂提高两者之间的相容性,搭配交联剂、抗氧剂等助剂以合适的比例和工艺制备出一种转光封装胶膜,应用在太阳能组件中,能提高组件的功率,降低紫外线穿透到背板的危害,延长组件的使用寿命,提高电站的收益。
通过组件比较实验,通过上转换胶膜的组件与普通组件相比,功率提高1%,发电量提高0.9%,250.0W的普通组件,使用上转换胶膜,功率可达252.5W,增加发电效率,降低度电成本。
具体实施方式
为了能够更清楚地理解本发明的技术内容,特举以下实施例详细说明。
实施例1:
一种转换封装胶膜,它由以下重量份的原料制成:
一种转光封装胶膜的制备方法,其步骤是:
A、先制备波长转化粒子,将丙烯酸铕、甲基丙烯酸铕、丙烯酸甲基丙烯酸铕共聚物、丙烯酸锰、甲基丙烯酸锰、丙烯酸甲基丙烯酸锰共聚物、丙烯酸钇、甲基丙烯酸钇、丙烯酸甲基丙烯酸钇共聚物中的一种或二至九种的任意混合加入到水溶液中;
B、将丙烯酸铕、甲基丙烯酸铕、丙烯酸甲基丙烯酸铕共聚物、丙烯酸锰、甲基丙烯酸锰、丙烯酸甲基丙烯酸锰共聚物、丙烯酸钇、甲基丙烯酸钇、丙烯酸甲基丙烯酸钇共聚物进行搅拌28或29或30或31或32min,混合均匀,获得混合物;
C、在混合物中滴加过氧化苯甲酰引发剂溶液,制备微米级荧光粉粒子;
D、将乙烯-醋酸乙烯酯共聚物、增容剂,波长转换粒子和抗氧剂其它助剂在高混机中混合均匀,投入挤出机中混炼,挤出机温度控制在80或90或95或100或105或110或115或120℃;
E、经过流延、压花、冷却温度控制在30或35或40或46或50℃,进行成膜,通过牵引裁切,最后通过收卷工序即得一种转光封装胶膜。获得膜的厚度为0.3毫米。
实施例2:
一种转换封装胶膜,它由以下重量份的原料制成:
原料 | 用量kg |
POE树脂(乙烯-辛烯共聚物) | 100 |
波长转换粒子 | 2 |
POE-MAH增容剂 | 1.5 |
叔丁基过氧化-异丙基碳酸酯 | 3 |
亚磷酸三苯酯 | 1 |
其制备步骤与实施例1相同。获得膜的厚度为0.4毫米。
实施例3:
一种转换封装胶膜,它由以下重量份的原料制成:
其制备步骤与实施例1相同。获得膜的厚度为0.4毫米。
测试以上三个配方的胶膜和TPT结构的背板(3M公司)及光伏钢化玻璃的剥离强度。层压工艺为140-150℃抽真空6分钟层压10分钟,使用太阳能电池组件用专用层压机。测试时按如下结构:光伏玻璃、转光封装胶膜、TPT结构背板。组件功率测试结构:光伏玻璃、转光封装胶膜、晶硅电池片、截止型封装胶膜、TPT结构背板。
实施例4:
一种转光封装胶膜在提高太阳能电池组件光谱转换效率的EVA封装胶膜和POE封装胶膜中的应用,其步骤是:
A、电池片检测,电池片焊接,在自动串焊机上,通过焊带将10片电池片串焊起来。
B、组件叠层,先放置光伏玻璃,再放上转换胶膜,再放置电池片串,用汇流条将其并联起来,放置下层封装胶膜,最后放置背板或光伏玻璃。
C、组件层压,通过在层压机中将上述组件叠层高温高压层压,将电池片封装在组件中。
D、组件装框、安装接线盒、组件清洗等。
一种转光封装胶膜及制备方法和应用,基本符合太阳能光伏组件对胶膜的要求。由于添加了波长转换粒子和增容剂,使得封装胶膜具有更佳的力学性能,波长转换粒子能将紫外光转换为可见光,提高了组件的发电功率,降低紫外线对背板的破坏作用,可以保证光伏组件具有更长的使用寿命。综上所述,本发明的一种转光封装胶膜的制备及其应用涉计独特,构思巧妙,可以作为光伏组件中的胶膜使用。其制备流程简单,便于大规模生产。
在此说明书中,本发明已参照其特定的实施例做了描述。但是,很显然仍可以作出各种修改和变换而不背离本发明的精神和范围。因此,说明书应被认为是说明性的而非限制性的。
Claims (8)
1.一种上转换封装胶膜,它由以下重量份的原料制成:
原料 重量份
乙烯-醋酸乙烯酯共聚物 80-100
增容剂 1-10
交联剂 0.01-5
上转换粒子 0.01-10
抗氧剂 0.01-10;
所述的乙烯-醋酸乙烯酯共聚物中VA含量在25-35 %之间,熔融指数在0.1-40 g/10min,熔点为40-90 ℃,透光率≥90%;
所述的增容剂为极性基团接枝改性功能树脂,包括乙烯-醋酸乙烯酯共聚物接枝马来酸酐、乙烯-醋酸乙烯酯共聚物接枝丙烯酸、乙烯-醋酸乙烯酯共聚物接枝甲基丙烯酸缩水甘油酯、乙烯-醋酸乙烯酯共聚物接枝磺酸,聚乙烯接枝马来酸酐中的一种或二至五种的任意一种或二至五种的任意混合;
所述的交联剂为叔丁基过氧化-异丙基碳酸酯、过氧化二苯甲酰、叔丁基过氧化碳酸-2-乙基己酯、过氧化二异丙苯、2,5-二甲基-2,5-双(叔丁基过氧基)己烷、过氧化环己酮、叔丁基过氧化氢、过氧苯甲酸叔丁酯、过氧乙酸叔丁酯、过氧重碳酸二-(4-叔丁基环己基)酯中的一种或二至九种的任意混合;
所述的上转换粒子为NaYF4:Er,Yb、丙烯酸铕、甲基丙烯酸铕、丙烯酸甲基丙烯酸铕共聚物、丙烯酸锰、甲基丙烯酸锰、丙烯酸甲基丙烯酸锰共聚物、丙烯酸钇、甲基丙烯酸钇、丙烯酸甲基丙烯酸钇共聚物中的一种或二至十种的任意混合;
所述抗氧剂为亚磷酸三苯酯、亚磷酸三(壬基苯基)酯、二硬脂酸季戊四醇二亚磷酸酯、1,3,5-三(4-叔丁基-3羟基-2,6-二甲基苯基)-1,3,5-三嗪-2,4,6-(1H,3H,5H)-三酮、2,6-二叔丁基-4-甲基苯酚、四[β-(3,5-二叔丁基-4-羟基苯基)丙酸]季戊四醇酯、三(2,4-二叔丁基苯基)亚磷酸酯,β-(4-羟基-3,5-二叔丁基苯基)丙酸正十八碳醇酯中的一种或二至八种的任意混合。
2.根据权利要求1所述的一种转换封装胶膜,其特征在于:
原料 重量份
乙烯-醋酸乙烯酯共聚物 82-98
增容剂 2-9
交联剂 0.03-4
上转换粒子 0.05-9
抗氧剂 0.06-9。
3.根据权利要求1所述的一种转换封装胶膜,其特征在于:
原料 重量份
乙烯-醋酸乙烯酯共聚物 84-96
增容剂 3-8
交联剂 0.06-3
上转换粒子 0.1-7
抗氧剂 0.1-7。
4.根据权利要求1所述的一种转换封装胶膜,其特征在于:
原料 重量份
乙烯-醋酸乙烯酯共聚物 86-94
增容剂 4-7
交联剂 1-2.5
上转换粒子 2-6
抗氧剂 2-6。
5.根据权利要求1所述的一种转换封装胶膜,其特征在于:
原料 重量份
乙烯-醋酸乙烯酯共聚物 88-92
增容剂 5-6
交联剂 1.6-2.2
上转换粒子 3-5
抗氧剂 3-5。
6.根据权利要求1所述的一种转换封装胶膜,其特征在于:
原料 重量份
乙烯-醋酸乙烯酯共聚物 90
增容剂 5
交联剂 1.8
上转换粒子 2
抗氧剂 1.2。
7.权利要求1所述的一种转光封装胶膜的制备方法,其步骤是:
A.先制备波长转化粒子,将丙烯酸铕、甲基丙烯酸铕、丙烯酸甲基丙烯酸铕共聚物、丙烯酸锰、甲基丙烯酸锰、丙烯酸甲基丙烯酸锰共聚物、丙烯酸钇、甲基丙烯酸钇、丙烯酸甲基丙烯酸钇共聚物中的一种或二至九种的任意混合加入到水溶液中;
B.将丙烯酸铕、甲基丙烯酸铕、丙烯酸甲基丙烯酸铕共聚物、丙烯酸锰、甲基丙烯酸锰、丙烯酸甲基丙烯酸锰共聚物、丙烯酸钇、甲基丙烯酸钇、丙烯酸甲基丙烯酸钇共聚物进行搅拌28-32min,混合均匀,获得混合物;
C.在混合物中滴加过氧化苯甲酰引发剂溶液,制备微米级荧光粉粒子;
D.将乙烯-醋酸乙烯酯共聚物、增容剂,波长转换粒子和抗氧剂在高混机中混合均匀,投入挤出机中混炼,挤出机温度控制在80~120℃;
E.经过流延、压花、冷却温度控制在30~50℃,进行成膜,通过牵引裁切,最后通过收卷工序得一种转光封装胶膜。
8.权利要求1所述的一种转光封装胶膜在提高太阳能电池组件光谱转换效率的EVA封装胶膜和POE封装胶膜中的应用。
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