Bactericidal composition containing prothioconazole and trifloxystrobin
A technology of prothioconazole and trifloxystrobin, applied in the field of pesticides, can solve the problems of unpredictable synergistic effect, unpredictable and difficult environmental impact and effect, difficult industrialization of pharmaceutical compositions, etc. Medicinal properties, improved control effect, significant synergistic effect
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Embodiment 1
[0034] Example 1 30% Trifloxystrobin Prothioconazole Suspension Concentrate
[0035] The raw material formula of the suspending agent is shown in Table 1, wherein: the number average molecular weight of PEO-PPO-PEO is about 2500, containing PEO30wt%; the thickener is gum arabic; the antifreeze is glycerin; the preservative is sodium benzoate.
[0036] The preparation method of the suspending agent is as follows: add each raw material into the sand mill cylinder according to the formula, and after stirring evenly, pre-disperse it with a high shear machine, then transfer it to a sand mill for sand milling, add sanding medium zirconia beads, and start sanding Grinding, so that the average particle size of the material is below 3 μm, stop sanding after 5 hours, filter, remove the zirconia beads, and obtain.
[0037] The technical indicators of the obtained suspension concentrate are as follows: Suspension rate ≥ 95.0%; pH value 6.0-8.0; sieve analysis (passing through a 75μm sieve...
Embodiment 2
[0038] Example 2 21% Trifloxystrobin Prothioconazole Suspension Concentrate
[0039] The raw material formula of the suspending agent is shown in Table 1, wherein: the number average molecular weight of PEO-PPO-PEO is about 2500, containing PEO30wt%; the thickener is xanthan gum; the antifreeze is propylene glycol; the preservative is butyl p-hydroxybenzoate.
[0040] The preparation method of the suspension is the same as in Example 1, and the technical indicators of the obtained suspension are as follows: suspension rate ≥ 95.0%; pH value 6.0-8.0; sieve analysis (passing through a 75 μm sieve) ≥ 98%; persistent foaming (after 1min) ≤ 25ml; Pourability: residue after pouring ≤ 3.0%, residue after washing ≤ 0.5%; suspension rate ≥ 92% after hot storage at 54±2°C for 30 days; suspension rate ≥92% after cold storage at 0±2°C for 30 days.
Embodiment 3
[0041] Example 3 39% Trifloxystrobin Prothioconazole Suspension Concentrate
[0042] The raw material formula of the suspending agent is shown in Table 1, in which: PEO-PPO-PEO number average molecular weight is about 2000, which contains PEO40wt%; thickener is methyl cellulose and aluminum magnesium silicate (weight ratio 1.25:1); antifreeze It is propylene glycol butyl ether; the preservatives are sodium benzoate and potassium sorbate (weight ratio 1:5).
[0043] The preparation method of the suspension is the same as in Example 1, and the technical indicators of the obtained suspension are as follows: Suspension rate ≥ 94.5%; pH value 6.0-8.0; sieve analysis (through a 75 μm sieve) ≥ 98%; persistent foaming (after 1min) ≤ 25ml; Pourability: residue after pouring ≤3.0%, residue after washing ≤0.5%; suspension rate ≥91% after hot storage at 54±2°C for 30 days; suspension rate ≥91% after cold storage at 0±2°C for 30 days.
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