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对20%吡虫啉.氯氰菊酯悬浮乳剂的配方和贮存稳定性进行了研究。结果表明,较佳配方组成:吡虫啉10.0%,氯氰菊酯10.0%,亚甲基双萘磺酸盐1.5%,苯乙烯苯酚甲醛树脂聚氧乙烯醚磷酸酯盐2.5%,S-1505.0%,十二烷基苯磺酸钙2.5%,烷基酚聚氧乙烯(10)醚1.5%,壬基酚聚氧乙烯醚改性磷酸脂1.5%,三苯乙基苯酚聚氧丙烯聚氧乙烯嵌段聚合物0.5%,硅酸镁铝2%,黄原胶0.3%,乙二醇3%,正辛醇0.5%,水59.2%,产品悬浮率90%以上,热贮[(54±2)℃,14 d]分解率小于5%,各项指标符合悬浮乳剂的要求。
The formulation and storage stability of 20% imidacloprid-cypermethrin emulsions were studied. The results showed that the optimum formulation consisted of imidacloprid 10.0%, cypermethrin 10.0%, methylene bis-naphthalene sulfonate 1.5%, styrene-phenol formaldehyde resin polyoxyethylene ether phosphate 2.5%, S-1505.0%, dodecane 2.5% of calcium-based behenate, 1.5% of alkylphenol polyoxyethylene (10) ether, 1.5% of nonylphenol polyoxyethylene ether-modified phosphatide, 30 parts of tris-phenethylphenol polyoxypropylene polyoxyethylene block polymer 0.5%, Magnesium aluminum silicate 2%, xanthan gum 0.3%, ethylene glycol 3%, n-octanol 0.5%, water 59.2%, product suspension rate 90%, heat storage [54 ± 2) ℃, 14 d] decomposition rate of less than 5%, the indicators in line with the requirements of suspended emulsion.