STABILIZED AQUEOUS EMULSIFIED SUSPENSION-LIKE AGRICULTURAL CHEMICAL AND PRODUCTION THEREOF

PROBLEM TO BE SOLVED: To provide an aqueous emulsified suspension composition stable under storage for a long period of time and under the condition of a low temperature.a high temperature by using a specific surfactant as an emulsifier and adding a specific antifreezing agent to a hardly water-solu...

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Bibliographische Detailangaben
Hauptverfasser: OISHI KIYOMI, AKASHI KANJI
Format: Patent
Sprache:eng
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Zusammenfassung:PROBLEM TO BE SOLVED: To provide an aqueous emulsified suspension composition stable under storage for a long period of time and under the condition of a low temperature.a high temperature by using a specific surfactant as an emulsifier and adding a specific antifreezing agent to a hardly water-soluble active component of liquid agricultural chemicals. SOLUTION: This aqueous emulsified suspension-like agricultural chemical is composed of an active component (especially the one of hardly water-soluble is preferable) of agricultural chemicals added with a surfactant (both of a surfactant used as an emulsifier and a surfactant used as a wetting dispersant are preferable), glycols as an antifreezing agent and urea. Preferably, synthetic rubber latex is added to the system, as desired, and blended. As the active component of the agricultural chemicals, especially ferimzone, fthalide and tricyclazole, etc., are preferable. A mixing amount of the glycols and the urea and/or the synthetic rubber latex are respectively about 1-30wt.% based on the whole amount of the composition. Preferably, an adding amount of the surfactant for the emulsifier is about 0.5-5wt.% in the case of, e.g. polyoxyethylene-polyoxypropylene block polymer, etc., and the surfactant for wetting dispersion is about 2-5wt.% based on the amount of the whole composition.