SANS studies on the structures of non-ionic surfactant micelles with/without solubilised pesticide and waxes
The promotion of pesticide uptake into plant leaves has been a hot topic for decades in agriculture due to its profound influence on crop production and environmental protection. To promote pesticide uptake, surfactants are widely used in pesticidal formulation by enhancing pesticide solubility and mobility. Upon applying agri-spraying, its first contact is the most outer surface of plants, which is a waxy layer. It is essential to understand how surfactants along with bioactive ingredients interacting with waxes. Our previous SANS investigation revealed that the shape of the non-ionic micelles saturated with pesticide typically changed from round sphere to rod-like structure. In this process, the length of the aggregates expanded greatly whilst the shell shrank and became dehydrated. In spite of extensive research on surfactant-pesticide interaction, relevant knowledge about surfactant-pesticide-wax interaction still remains sparse. Thus, we intend to use SANS to look at the changes of micellar structure with/without saturated pesticide before and after wax solubilisation.
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Jian Ren Lu; BELL Gordon; GRILLO Isabelle; HOLLOWELL Peter; Xuzhi Hu; PADIA Faheem; Sean Ruane and SCHWEINS Ralf. (2019). SANS studies on the structures of non-ionic surfactant micelles with/without solubilised pesticide and waxes. Institut Laue-Langevin (ILL) doi:10.5291/ILL-DATA.9-10-1588
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