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作 者:戴焰林 李书香 郑玥 DAI Yanlin;LI Shuxiang;ZHENG Yue(CJI Overseas Import and Export Ltd.,Nanjing210023,China)
出 处:《世界农药》2023年第8期27-31,共5页World Pesticide
摘 要:采用湿法研磨和高速剪切混合工艺,制备了500 g/L砜吡草唑·唑草酮悬乳剂。通过考察流动性、分散性、粒径、冷储和热储等性能指标,对其配方中的润湿分散剂、乳化剂、溶剂、增稠剂和防冻剂进行了筛选,开发出了该悬乳剂的优选配方:砜吡草唑447 g/L、唑草酮53 g/L、Tergitol W-600 10 g/L、Atlox-4913 20 g/L、Morwet D-425 6 g/L、Tersperse-2280 20 g/L、玉米油100 g/L、黄原胶1.5 g/L、丙三醇40 g/L、消泡剂SAG-1522 3 g/L、卡松2 g/L,去离子水补足至1 170 g/L。所制得的制剂性能稳定,质量优良,符合绿色环保型水基化制剂要求。In this paper,the pyroxasulfone·carfentrazone-ethyl 500 g/L SE was prepared by wet grinding and high speed shear mixing process.The wetting agents,dispersant,emulsifier,solvent,thickener and antifreeze agents were selected by examining the performance indexes of fluidity,suspensibility,particle size and accelerated storage.The optimal formula of pyroxasulfone·carfentrazone-ethyl 500 g/L SE were pyroxasulfone 447 g/L,carfentrazone-ethyl 53 g/L,Tergitol W-60010 g/L,Atlox-491320 g/L,Morwet D-4256 g/L,Tersperse-228020 g/L,corn oil 100 g/L,xanthan gum 1.5 g/L,glycerin 40 g/L,defoamer SAG-15223 g/L,Kathon 2 g/L,distilled water up to 1170 g/L.The prepared SE has good stability under cold and heat storage condition.All indexes meet the requirements for environmental friendly water-based formulation.
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