Beta-cypermethrin nano water agent, preparation method and applications thereof
A high-efficiency cypermethrin and nanotechnology, applied in the directions of botanical equipment and methods, applications, pesticides, etc., can solve the problems of high-efficiency cypermethrin being unable to meet the needs of use, seriously affecting the quality of agricultural products, accelerating food safety crisis, etc., and achieving excellent quick-acting properties. and long-lasting effect, no particle precipitation, low production cost
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[0029] Example 1
[0030]
[0031] Preparation method: Weigh 10g lambda cypermethrin technical (based on active ingredients, the same below) and 70g fatty alcohol polyoxyethylene ether phosphate, mix and stir at 90 rpm for 0.5h, and add 940g under stirring Water, continue to stir for 1 hour to obtain 1% beta-cypermethrin nano-aqueous.
[0032] The nano-aqueous agent of this embodiment is a light yellow transparent liquid with a viscosity of 85 mPa·s and an average particle size of 13.0 nanometers.
[0033] After entering water, the nano-aqueous agent of this embodiment can quickly dissolve with water to form a completely transparent solution, and the dilution stability is qualified.
[0034] After cold storage at 0°C for 7 days and hot storage at 54°C for 14 days, the preparations did not precipitate and remained stable.
Example Embodiment
[0035] Example 2
[0036]
[0037] The preparation method is the same as that in Example 1, and 1.5% lambda cypermethrin nano-aqueous agent is prepared.
[0038] The appearance of the nano-aqueous agent of this embodiment is a light yellow transparent liquid, a viscosity of 100 mPa.s, and an average particle size of 16.5 nanometers.
[0039] After entering water, the nano-aqueous agent of this embodiment can quickly dissolve with water to form a completely transparent solution, and the dilution stability is qualified.
[0040] After cold storage at 0°C for 7 days and hot storage at 54°C for 14 days, the preparations did not precipitate and remained stable.
Example Embodiment
[0041] Example 3
[0042]
[0043] The preparation method is the same as in Example 1, and 2% lambda-cypermethrin nano-water agent is prepared.
[0044] The appearance of the nano-aqueous agent of this embodiment is a light yellow transparent liquid, a viscosity of 92 mPa.s, and an average particle size of 18.0 nanometers.
[0045] After entering water, the nano-aqueous agent of this embodiment can quickly dissolve with water to form a completely transparent solution, and the dilution stability is qualified.
[0046] After cold storage at 0°C for 7 days and hot storage at 54°C for 14 days, the preparations did not precipitate and remained stable.
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