A kind of safe azoxystrobin suspending agent and its preparation method and use
A technology of suspending agent and azoxystrobin, applied in the field of safe azoxystrobin suspending agent, can solve the problems of easy to produce phytotoxicity, restricting the use of azoxystrobin, etc.
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[0034] A kind of preparation method comprising the azoxystrobin suspension concentrate of safener, comprises the following steps:
[0035] (1) Weigh the following raw materials according to the amount: azoxystrobin original drug, wetting agent, dispersant, defoamer, and add water to 60% of the total amount, stir them for 0.5-1h, and mix well;
[0036] (2) Grinding the above-mentioned mixed components in a sand mill, and grinding to an average particle size of 3-6 μm after 2-4 hours, to obtain the initial product of the suspension;
[0037] (3) Mix the thickener, antifreeze, and water to 5% of the total amount, and add it to the primary product of the suspending agent. After stirring for 1-2 hours at a speed of 1000r / min, the secondary product of the suspending agent is obtained. .
[0038] (4) Mix the safener and water to 35% of the total amount, and add it to the secondary product of the suspending agent, and stir it with a mixer at a speed of 1000r / min for 1-2 hours to obta...
Embodiment 1
[0041] 250g / L azoxystrobin suspension concentrate (including safener and bacterial cellulose fiber)
[0042] Concrete formula is: (mass volume fraction meter)
[0043] Azoxystrobin: 250g / L
[0044] Safener (cellulose acetate, carboxymethyl starch mixture): 200g / L
[0045] Bacterial cellulose fiber (commercially available bacterial nanocellulose dispersion): 30g / L
[0046] Calcium lignosulfonate: 50g / L
[0047] Sodium alkylbenzene sulfonate: 20g / L %
[0048] Propylene glycol: 30g / L
[0049] BIT: 3g / L
[0050] Silicone defoamer: 5g / L
[0051] Xanthan gum: 2g / L
[0052] Deionized water: make up
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