Propiconazole emulsifiable granules and preparation method thereof
A technology of propiconazole and emulsifier, applied in the field of pesticides and fungicides, can solve the problems of not meeting the requirements and trends of agricultural sustainable development, quick effect, long-lasting effect, insufficient environmental protection, waste of petroleum resources, etc., to achieve maintenance The effect of colloidal stability, excellent drug efficacy and high HLB value
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Embodiment 1
[0015] Example 1: 20% propiconazole emulsifiable granules.
[0016] Liquid propiconazole 20%, emulsifier FS-7PG (nonionic and anionic mixed surfactant, produced by Takemoto Oil) 8%, water-soluble polymer polyvinyl alcohol (PVA) 8%, and the rest is supplemented by carrier sodium benzoate. First mix propiconazole and emulsifier evenly, then add the mixed propiconazole into 10% polyvinyl alcohol (PVA) aqueous solution (PVA and water are made into aqueous solution at a ratio of 1:10), mix evenly to obtain viscous Emulsion, then adding the carrier sodium benzoate to the viscous emulsion to obtain a pre-granulation mixture, finally granulation and drying.
Embodiment 2
[0017] Example 2: 30% propiconazole emulsifiable granules.
[0018] Liquid propiconazole 30%, emulsifier SB-75 (non-ionic and anionic mixed surfactant, produced by Takemoto Oil) 10%, water-soluble polymer carboxymethyl starch sodium (CMS) 12%, the rest is carrier Yuanming Powder make up. First mix propiconazole and emulsifier evenly, then add the mixed propiconazole into 8% carboxymethyl starch sodium (CMS) aqueous solution (CMS and water are made into aqueous solution at 1:8), mix well to obtain viscous Thick emulsion, and then adding the carrier sodium bicarbonate to the viscous emulsion to obtain a pre-granulated mixture, finally granulated and dried.
Embodiment 3
[0019] Embodiment 3: 40% propiconazole emulsifiable granules.
[0020] Liquid propiconazole 40%, emulsifier FS-7PG (nonionic and anionic mixed surfactant, produced by Takemoto Oil) 12%, water-soluble polymer sodium carboxymethylcellulose (CMC) 10%, the balance is carrier sulfuric acid Ammonium supplementation. Mix propiconazole and emulsifier evenly first, then add the mixed propiconazole into 12% sodium carboxymethylcellulose (CMC) aqueous solution (CMC and water are made into an aqueous solution at 1:12), and mix evenly to obtain A viscous emulsion, and the carrier ammonium sulfate is added to the viscous emulsion to obtain a pre-granulated mixture, which is finally granulated and dried.
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