The blend modification of EVA-150/starch and controlled-release of imazethapyr

• 来源期刊: 中国煤炭（英文版）
• 关键词: EVA-150 starch controlled-release imazethapyr blending
• 年，卷（期）: 2008,（4）
• 页码范围: 675-677
• 页数: 3页
• 语种: 英文

摘要

The EVA-150 and starch were extruded by extruding press and the bio-degra-dation composite material was prepared to use as the controlled-release matrix of imazethapyr. The compatibility and crystallinity of EVA-150/starch blending were analyzed by SEM and DSC, and the controlled-released performance of imazethapyr in the carriers was also investigated by UV analysis. The results show that EVA-150/starch composite matrix has the obvious controlled-released function and the release rates of imazethapyr all exceed 50% in the environment of pH4, pH7, or pH9 after nine days.