Abstract:Abstract: In order to reduce the use of pesticide and the environmental damage of pesticide, starch-based pesticide sustained-release materials and starch-free polymers were synthesized by 60Co γ-ray irradiation. The rotational viscosity, degradability and the sustained-release effects of pymetrozine were studied. The degradability of starch-based material is better than that of starch-free polymers and the pymetrozine sustained-release effect is better than that of attapulgite and starch constrast. At 5 minutes, the pymetrozine release percentage of blank sample was more than 90%, that of attapulgite or starch constrast was more than 50%, and that of starch-based materials was in the range of 10%~20%. At 20 minutes, the pymetrozine release percentage of blank sample was more than 99%, that of attapulgite or starch constrast were more than 85%, and that of starch-based materials was 51%~62%.
Key words: pesticide sustained release material; radiation preparation; starch-based; sustained-release effect; degradability
(Acta Laser Biology Sinica, 2022, 31(5): 427-432)
引用本文:
邵 赛,吴 景,赵彩凤,张乐平,谢洪科,郭 峰,李宏告,周毅吉,张跃龙,胡 蝶,涂晓翼,齐 慧. 淀粉基农药缓释材料的辐射制备及性能研究[J]. 激光生物学报, 2022, 31(5): 427-432.
SHAO Sai, WU Jing, ZHAO Caifeng, ZHANG Leping, XIE Hongke, GUO Feng, LI Honggao, ZHOU Yiji, ZHANG Yuelong, HU Die, TU Xiaoyi, QI Hui. Irradiation Preparation and Properties of Starch-based Pesticide Sustained-release Materials. journal1, 2022, 31(5): 427-432.