申请人:Du Pont-Mitsui Polychemicals Co., Ltd.
公开号:EP1990840A1
公开(公告)日:2008-11-12
The present invention provides an encapsulating material for a solar cell, which is easy to prepare a solar cell module, and excellent in processability, insulating property, non-corrosion property, transparency, heat resistance, flexibility and the like, anda solar cell module prepared by using the same. The encapsulating material for a solar cell is one consisting of a cross-linkable resin composition (A) containing an ethylene- (meth) acrylic ester copolymer as a base polymer, an organic peroxide and a crosslinking aid wherein the decomposition temperature (temperature for a half-life period of one hour) of the organic peroxide is equal to or lower than 150°C, and total compounding amount of the organic peroxide and the crosslinking aid ,is in a range of from 0.5 to 5 parts by weight per 100 parts by weight of the base polymer, and compounding ratio of the organic peroxide and the crosslinking aid (organic peroxide/ crosslinking aid) is in a range of from 1/5 to 1/0.1, in weight ratio.
本发明提供了一种太阳能电池封装材料,它易于制备太阳能电池组件,并且在加工性、绝缘性、非腐蚀性、透明性、耐热性、柔韧性等方面性能优良,还提供了用其制备的太阳能电池组件。用于太阳能电池的封装材料由可交联树脂组合物 (A) 组成,该组合物含有作为基础聚合物的乙烯-(甲基)丙烯酸酯共聚物、有机过氧化物和交联助剂,其中有机过氧化物的分解温度(半衰期为一小时的温度)等于或低于 150°C,有机过氧化物和交联助剂的总复合量范围为每 100 个太阳能电池组件中 0.有机过氧化物和交联助剂(有机过氧化物/交联助剂)的混合物总量的重量比范围为每 100 重量份基础聚合物 0.5 至 5 重量份,有机过氧化物和交联助剂(有机过氧化物/交联助剂)的混合物重量比范围为 1/5 至 1/0.1。