淀粉基农药缓释材料的辐射制备及性能研究  被引量:2

Irradiation Preparation and Properties of Starch-based Pesticide Sustained-release Materials

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作  者:邵赛 吴景[3] 赵彩凤 张乐平 谢洪科[1,2] 郭峰 李宏告[1,2] 周毅吉 张跃龙[1,2] 胡蝶 涂晓翼[1,2] 齐慧 SHAO Sai;WU Jing;ZHAO Caifeng;ZHANG Leping;XIE Hongke;GUO Feng;LI Honggao;ZHOU Yiji;ZHANG Yuelong;HU Die;TU Xiaoyi;QI Hui(Institute of Nuclear Agricultural Science and Space Mutation Breeding,Changsha 410125;Hunan Academy of Agriculture Sciences,Changsha 410125;Changsha Agricultural Product Quality Monitoring Center,Liuyang 410399,China)

机构地区:[1]湖南省核农学与航天育种研究所,长沙410125 [2]湖南省农业科学院,长沙410125 [3]长沙市农产品质量监测中心,浏阳410399

出  处:《激光生物学报》2022年第5期427-432,共6页Acta Laser Biology Sinica

基  金:湖南省农业科技创新资金项目(2021CX39);湘财教指(2021)60号。

摘  要:为降低农药使用量,减少农药造成的环境危害,采用^(60)Coγ射线辐射合成了淀粉基农药缓释材料及不含淀粉的聚合物,研究了它们的旋转黏度、可降解性及淀粉基农药缓释材料对吡蚜酮的缓释效果。淀粉基农药缓释材料的可降解性优于不含淀粉的聚合物,其负载吡蚜酮的缓释效果优于凹凸棒土、马铃薯淀粉。5 min时,空白、凹凸棒土、淀粉和淀粉基农药缓释材料负载吡蚜酮的释放百分率分别为大于90%、大于50%和10%~20%;20 min时,空白、凹凸棒土、淀粉和淀粉基农药缓释材料负载吡蚜酮的释放百分率分别为99%以上、大于85%和51%~62%。In order to reduce the use of pesticide and the environmental damage of pesticide,starch-based pesticide sustainedrelease materials and starch-free polymers were synthesized by ^(60)Coγ-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 starchfree 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%.

关 键 词:农药缓释材料 辐射制备 淀粉基 缓释效果 降解性 

分 类 号:TS236.9[轻工技术与工程—粮食、油脂及植物蛋白工程]

 

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