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/s...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.展开更多
基金the Enterprise Postdoctoral Fund of Liaoning Province(BSH2005921077)
文摘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.