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以EVA(乙烯-醋酸乙烯酯共聚物)为基体树脂、TBEC(过氧化2-乙基己基碳酸叔丁酯)为交联剂、CHINOX-1010{四[β-(3,5-二叔丁基-4-羟基苯基)丙酸]季戊四醇酯}为氧化剂和Z-6030(γ-甲基丙烯酰氧基丙基三甲氧基硅烷)为硅烷偶联剂,制备出一种太阳能EVA胶膜。研究结果表明:当w(Z-6030)=0.60%(相对于EVA质量而言)时,EVA胶膜/玻璃的粘接力(160 N/cm左右)相对最大;该EVA胶膜经35℃平衡120 h后,Z-6030完成了向EVA胶膜表面的迁移,此时EVA胶膜的粘接力相对较大、耐湿热老化性相对最好;EVA胶膜经水浴浸泡9 d、35℃烘干48 h后,其粘接力基本丧失,故实际生产过程中应严格控制湿度,以确保其可靠的粘接力。
Using EVA (ethylene-vinyl acetate copolymer) as matrix resin, TBEC (t-butylperoxy 2-ethylhexyl carbonate) as crosslinking agent, CHINOX- 1010 {tetrakis [β- 4-hydroxyphenyl) propionic acid] pentaerythritol} as an oxidizing agent and Z-6030 (γ-methacryloxypropyltrimethoxysilane) as a silane coupling agent to prepare a solar EVA film . The results show that EVA film / glass has the highest adhesive force (about 160 N / cm) when w (Z-6030) = 0.60% (relative to EVA quality) Balanced 120 h, Z-6030 completed the migration to the EVA film surface, at this time the adhesive strength of the EVA film is relatively large, the heat-aging resistance is the best; EVA film immersed in water for 9 d, 35 ℃ After drying for 48 h, its adhesive force is basically lost, so the actual production process should be strictly controlled humidity to ensure its reliable adhesion.