剪切转速、时间和乳化剂含量对水乳剂粒度分布的影响

摘要

With 8%emulsifier,difenoconazole 10%EW was made up under different shearng speed and time and the distribution of particle size was measured with a laser particle size measurement.The results showed that the optimum speed and time were 3000r/min and 3min.Keeping the shearing speed and time unchangeable,the impact of the amount of emulsifier on the distribution of particle size was tested.The result showed that when the emulsifier was increased,the particle concentrated much more.And 8% emulsifier can give a better particle size distribution.%固定乳化剂用量8%,用不同的剪切转速和时间配制10%苯醚甲环唑水乳剂,并用激光粒度分布仪测定粒度分布。结果表明,最佳转速和时间分别为3 000 r/min、3 min。固定转速与时间,调整乳化剂用量,粒度分布结果表明,随着乳化剂用量的增加,粒子更集中。8%的乳化剂用量即可获得良好的粒度分布效果。