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A review of recent literature found several novel or new applications of surfactants in the agrochemical business. This review of the literature is intended to highlight some of the most recent developments in the industry. Structured liquids and vesicle technology has led to more stable formulations. These formulations generally were not possible several years ago. The development water based systems is emerging technology which has served to breathe new opportunities with the use of surfactants. Water dispersible granule technology has led to several interesting applications of surfactants as well. From heat activated binders to the synergistic role surfactants play in some formulations, the use of surface active materials in water dispersible granules is expanding. Surfactants also are beginning to emerge as an ingredient which can effect the basic biology of the active ingredient. During the review of the literature several citations were found illustrating uses of surfactants in roles such as: reducing eye irritation of the formulation, reducing the phytotoxicity of the formulation, as well as reducing the odor of the formulation. Another important aspect of surfactants has found a new use of foaming agents in insecticide formulations. Several references will be cited where the formulation is formulated to foam upon application of the pesticide.
surfactants, structured liquids, water dispersible granules, biological modifiers, foam formulations
Scientist, Research and Development, Witco Corporation, Houston, TX