AGRICULTURAL CHEMICAL PREPARATION OF SUSPENSION TYPE IN WATER

PURPOSE:The titled stable agricultural chemical preparation having a small amount of a surface active agent added, and small average particle diameter, obtained by blending previously a slightly water-soluble pyrethroid agricultural chemical active component with a surface active agent of phosphoric...

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Bibliographische Detailangaben
Hauptverfasser: TSUJI KOUZOU, IMAI MASAYOSHI
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:PURPOSE:The titled stable agricultural chemical preparation having a small amount of a surface active agent added, and small average particle diameter, obtained by blending previously a slightly water-soluble pyrethroid agricultural chemical active component with a surface active agent of phosphoric ester type and a pH adjustor, adding water to the blend. CONSTITUTION:1-50wt% one or more slightly water-soluble pyrethroid agricultural chemical active components are blended with 8-50wt% based on the agricultural chemical active components of one or more surface active agents of phosphoric ester type (e.g., GAFAC RE-610, etc.) shown by the formula (R is 8- 30C alkyl, or 8-30C alkylphenyl; n is 4-50; m is 1 or 2) and 0-5wt% based on the agricultural chemical active components of a pH adjustor such as magnesium hydroxide, and water is added to the blend to obtain an emulsion comprising the agricultural chemical active components having