从光伏模块中回收利用的交叉链接EVA封装膜上的塑化研究
Jiawei Ma1, Xiangping Zou2, Jianguo Ji3
1School of Materials Science and Engineering, Zhejiang Sci-Tech University, Hangzhou 310018, China.
Waste management (New York, N.Y.)
|March 14, 2026
概括
本研究提出了一种有效的回收方法,用于从退役太阳能电池板中获得交联乙烯-乙酸乙酸 (X-EVA) 的回收. 该过程使用协同降解和滑塑化X-EVA,创建高流循环材料 (CR-EVA).
科学领域:
- 材料科学 材料科学 材料科学
- 聚合物化学 聚合物化学
- 可持续工程 可持续工程
背景情况:
- 退役的光伏 (PV) 模块含有大量的交联乙烯-乙酸乙烯 (X-EVA) 材料.
- 有效的X-EVA回收方法对于减少太阳能行业的废物和资源回收至关重要.
研究的目的:
- 从废弃的光伏模块开发一个高效的X-EVA回收模型.
- 通过协同降解和滑机制塑化X-EVA.
- 创建具有增值的再生材料,具有增强的性能.
主要方法:
- 协同降解涉及物理剪切和过氧化物添加剂来分解X-EVA网络.
- 加入聚烯 (PP) 作为滑剂和接种剂.
- 使用化指数 (MI),风湿学分析,XPS和FTIR进行回收材料 (CR-EVA) 的表征.
主要成果:
- 实现了X-EVA的显著塑化,增加了融化流速 (MI) 到20.5g/10分钟.
- 移植共聚合物的形成和X-EVA网络的部分脱离.
- 在CR-EVA修饰的PP化合物中表现出优异的分散性和界面兼容性.
结论:
- 拟议的回收模型有效地将X-EVA从光伏模块转化为高性能回收材料 (CR-EVA).
- 协同降解和滑方法增强了融流,并产生了接种共聚合物.
- 这种方法为太阳能电池板EVA废物的增值回收提供了一个新的途径.
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