文献类型： 外文期刊
作者： Jia, Xianfei;Yan, Yan;Zhang, Kun;Wang, Chuanjun;You, Xiaoqing;Yang, Shangshan;Wang, Jiayin;Zhang, Bing;Wang, Yijia;Xie, Jiazhuo;Xu, Jing
作者机构：
关键词： poly(butylene adipate-co-terephthalate);poly(lactic acid);halloysite nanotubes;glufosinate-ammonium;melt blending;weeding mulching
期刊名称： ACS APPLIED NANO MATERIALS
ISSN：
年卷期： 2023 年
页码：
收录情况： SCIE（2023版） ; ; EI（2023版）
摘要： Improving the performance and giving function to poly(butylene adipate-co-terephthalate) (PBAT)-based biodegrad-able mulch film have always been research hotspots. However, the problems of a translucent PBAT-based film, which decreases in performance over time and is easily damaged by weeds, need to be solved. In this study, 11.17 wt % of the commercial contact herbicide Glufosinate-ammonium (Glu) was loaded into the lumen of halloysite nanotubes (HNTs). The Glu-loaded HNTs (Glu@ HNTs) and other treatment groups were further incorporated into the PBAT/poly(lactic acid) (PLA) composite films by melt blending and blow molding. Results demonstrated that Glu, HNTs, and Glu@HNTs dispersed uniformly in the composite films. Remarkably, while maintaining the original tensile strength of the film, the nominal strain of transverse fracture was increased by 19.6% to 51.2%, and the least water vapor transmission was reduced by 46.7% to 68.5%. Furthermore, the composite films added with Glu@HNTs can successfully kill green bristlegrass and show a good slow-release effect, which can avoid premature release of the herbicide before the weeds grow up. Overall, the combination of inorganic nanofiller-modified PBAT/PLA film and weeding has positive significance for reducing soil pollution and helping the long-term efficient use of biodegradable mulching.
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