| 摘要 |
The present invention provides for a method of improving the stability of an aqueous insecticidal formulation for storage in polyvinyl chloride containers characterized by adding to the formulation an amount of nonionic surfactanct selected from alkylphenol ethoxylates, ethoxylated primary alcohols, polyoxyethylene thioethers or mixtures thereof and having an HLB values of between about 10 and about 14. The pyrethroids can be synthetic or naturally occurring pyrethroids. Additionally, the present invention relates to improved pyrethroid insecticidal formulations that are stable in PVC containers. |
