第45卷第8期世界农药2023年8月WorldPesticide作者简介：戴焰林，男，工程师，研究方向：农药剂型研究与开发。Tel：025-86567639，E-mail：yanlindai@163.com。收稿日期：2023-04-26。·27·500g/L砜吡草唑·唑草酮悬乳剂的研制戴焰林，李书香，郑玥(中江国际海外进出口分公司，南京210003)摘要：采用湿法研磨和高速剪切混合工艺，制备了500g/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447g/L、唑草酮53g/L、TergitolW-60010g/L、Atlox-491320g/L、MorwetD-4256g/L、Tersperse-228020g/L、玉米油100g/L、黄原胶1.5g/L、丙三醇40g/L、消泡剂SAG-15223g/L、卡松2g/L，去离子水补足至1170g/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。关键词：砜吡草唑；唑草酮；悬乳剂；配方中图分类号：TQ450.6文献标志码：A文章编号：1009-6485(2023)08-0027-05DOI：10.16201/j.cnki.cn10-1660/tq.2023.08.05Preparationofpyroxasulfone·carfentrazone-ethyl500g/LSEDAIYanlin,LIShuxiang,ZHENGYue(CJIOverseasImportandExportLtd.,Nanjing210023,China)Abstract:Inthispaper,thepyroxasulfone·carfentrazone-ethyl500g/LSEwaspreparedbywetgrindingandhighspeedshearmixingprocess.Thewettingagents,dispersant,emulsifier,solvent,thickenerandantifreezeagentswereselectedbyexaminingtheperformanceindexesoffluidity,suspensibility,particlesizeandacceleratedstorage.Theoptimalformulaofpyroxasulfone·carfentrazone-ethyl500g/LSEwerepyroxasulfone447g/L,carfentrazone-ethyl53g/L,TergitolW-60010g/L,Atlox-491320g/L,MorwetD-4256g/L,Tersperse-228020g/L,cornoil100g/L,xanthangum1.5g/L,glycerin40g/L,defoamerSAG-15223g/L,Kathon2g/L,distilledwaterupto1170g/L.ThepreparedSEhasgoodstabilityundercoldandheatstoragecondition.Allindexesmeettherequirementsforenvironmentalfriendlywater-basedformulation.Keywords:pyroxasulfone;carfentrazone-ethyl;SE;formulation砜吡草唑(pyroxasulfone)是日本组合化学工业株式会社开发的一种新型广谱、高活性的异唑类除草剂，其作用机理是通过抑制杂草植物体内超长链脂肪酸延长合成酶(VLCFAE)而发挥药效，可用于小麦、玉米、棉花...
