Suspending agent containing spinosad and emamectin benzoate and preparation method thereof
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A technology of emamectin and benzoate, which is applied in the field of pesticides, can solve the problems of high requirements for the selection and matching of additives, great differences in the stability of preparations, and uneven quality, and achieve good dispersion , low surface tension, high suspension rate
Pending Publication Date: 2022-05-24
青岛润农化工有限公司
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[0005] At present, there have been reports on the combined use of spinosad and emamectin benzoate to kill insects. Due to the different production processes and solvents of emamectin benzoate, the quality varies The unevenness leads to great differences in the stability of the preparations made by different manufacturers of the original medicine. The most popular in the market is 70% of the original medicine, which has a very high impurity content and has high requirements for the selection and matching of formula additives.
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[0084] The invention provides the preparation method of the above-mentioned suspension agent containing spinosyn and methylaminoavermectin benzoate, comprising the following steps:
[0085] Mix wetting agent, dispersing agent, defoamer, preservative, synergist and water, add spinosyn and methylaminoavermectin benzoate in high-speed dispersion state, disperse, grind, and then add antifreeze The agent and thickener are sheared to obtain a suspension containing spinosad and methylaminoavermectin benzoate.
[0086] The present invention has clearly described the above-mentioned components and proportions, and will not be repeated here.
[0087] In the present invention, wetting agent, dispersing agent, defoaming agent, preservative, synergist and water are firstly mixed; preferably, they are uniformly mixed in a reaction kettle.
[0088] Then add spinosyn and methylaminoavermectin benzoate in a high-speed dispersion state, disperse at high speed for 20-40min; ~4 μm.
[0089] Th...
Embodiment 1-8
[0093] Prepare suspending agent according to the proportioning of table 1, preparation method is as follows:
[0094] Mix the wetting agent, dispersing agent, antifoaming agent, preservative, synergist and water; preferably in a reaction kettle. Then add spinosyn and methylaminoavermectin benzoate in a high-speed dispersion state, disperse at high speed for 20-40min; ~4 μm. Then add antifreeze and thickener for shearing to obtain a suspension agent containing spinosad and methylaminoavermectin benzoate.
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Abstract
The invention provides a suspending agent containing spinosad and emamectin benzoate. The suspending agent is prepared from active ingredients, a dispersing agent, a wetting agent, a thickening agent, an anti-freezing agent, a defoaming agent, a preservative and a synergist, the active ingredients are spinosad and methylamino abamectin benzoate; the mass ratio of the spinosad to the emamectin benzoate is (0.05 to 50): (0.05 to 10). According to the invention, by screening a large number of auxiliaries and optimizing the scheme aiming at different raw medicines, a system with the best matching degree among the components, especially the combination of the wetting agent, the dispersing agent and the synergist, is finally obtained, so that the stability and the tolerance of the product are greatly improved; the water-based suspension liquid has the advantages of good dispersibility, high suspension rate, capability of meeting different water qualities, relatively low surface tension and the like, and effectively solves the problems of Ostwald curing, caking and the like in heat storage of samples.
Description
technical field [0001] The invention relates to the technical field of pesticides, in particular to a suspending agent containing spinosyn and methylaminoavermectin benzoate and a preparation method thereof. Background technique [0002] Spinosad, also known as Spinosad, is a kind of macrolide pollution-free and high-efficiency biological insecticide extracted from the fermentation broth of Saccharopolysporaspinosa. The mechanism of action of spinosyn is the acting body of the nicotinic acid acetylcholine receptor, which can continuously activate the target insect acetylcholine nicotinic receptor, but its binding site is different from that of nicotine and imidacloprid. Spinosyn can also affect GABA receptors. It can quickly paralyze, paralyze, and eventually lead to death. Its insecticidal speed is comparable to that of chemical pesticides. Spinosyn is highly safe and has no cross-resistance with currently commonly used insecticides. It is a low-toxicity, high-efficiency...
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