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A kind of emamectin b2a benzoate and indoxacarb suspoemulsion and preparation method thereof

A technology of emamectin and benzoate, which is applied in the field of pesticides, can solve problems such as difficult dispersion, high cost, and poor stability, and achieve the effects of avoiding the use of organic solvents, solving poor stability, and safe and reliable costs

Active Publication Date: 2021-08-10
HEBEI VEYONG BIO CHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although emamectin benzoate and indoxacarb can basically solve the above problems after being mixed and used, there are still many problems in the preparation process, such as emamectin benzoate When salt and indoxacarb are made into emulsifiable concentrates, the amount of solvents and additives is too large, which is easy to pollute the environment; when made into oil suspension concentrates, a large amount of solvents and additives are also required, and most of the solvents are oils, which are expensive; And when made as water suspension, the solubility of emamectin benzoate in water changes significantly with temperature, poor stability, easy to agglomerate, difficult to disperse during use, and affect drug efficacy

Method used

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  • A kind of emamectin b2a benzoate and indoxacarb suspoemulsion and preparation method thereof
  • A kind of emamectin b2a benzoate and indoxacarb suspoemulsion and preparation method thereof
  • A kind of emamectin b2a benzoate and indoxacarb suspoemulsion and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] A suspoemulsion of emamectin B2a benzoate and indoxacarb, comprising the following components in mass fraction: emamectin B2a benzoate 0.1%; indoxacarb 20%; emulsifier Zephrym 3300B is 2%; wetting agent MorwetEFW is 4%; dispersant Morwet D-425 is 8%; xanthan gum 0.1%; magnesium aluminum silicate 0.1%; ethylene glycol 0.5%; defoamer AF-1500 is 0.2%; sodium benzoate 0.01%; isooctyl alcohol polyoxyethylene ether phosphate 1%; the balance is water.

[0025] The preparation method of above-mentioned emamectin B2a benzoate and indoxacarb suspoemulsion comprises the following steps:

[0026] S1: Mix the above-mentioned indoxacarb, wetting agent Morwet EFW, dispersant Morwet D-425 and 80% water, add an appropriate amount of zirconium beads, grind, add defoamer AF-1500, ethylene glycol Alcohol, xanthan gum and magnesium aluminum silicate, continue to grind until D95≤5μm, to obtain indoxacarb suspension;

[0027] S2: Mixing the above emamectin B2a benzoate, emulsifier Zephrym 3...

Embodiment 2

[0030] A suspoemulsion of emamectin B2a benzoate and indoxacarb, comprising the following components in mass fraction: emamectin B2a benzoate 10%; indoxacarb 0.1%; emulsifier Zephrym 3300B is 5%; wetting agent MorwetEFW is 0.5%; dispersant Morwet D-425 is 1%; xanthan gum is 0.3%; magnesium aluminum silicate is 0.7%; ethylene glycol is 0.5%; 0.2%; sodium benzoate 0.1%; isooctyl alcohol polyoxyethylene ether phosphate 1%; the balance is water.

[0031] The preparation method of above-mentioned emamectin B2a benzoate and indoxacarb suspoemulsion comprises the following steps:

[0032] S1: Mix the above indoxacarb, wetting agent Morwet EFW, dispersant Morwet D-425 and 60% water, add an appropriate amount of zirconium beads, grind, add defoamer AF-1500, ethylene glycol Alcohol, xanthan gum and magnesium aluminum silicate, continue to grind until D95≤5μm, to obtain indoxacarb suspension;

[0033] S2: Mixing the above emamectin B2a benzoate, emulsifier Zephrym 3300B and the remaini...

Embodiment 3

[0036] A suspoemulsion of emamectin B2a benzoate and indoxacarb, comprising the following components in mass fraction: emamectin B2a benzoate 3%; indoxacarb 10%; emulsifier Zephrym 3300B is 3%; wetting agent MorwetEFW is 3%; dispersant Morwet D-425 is 5%; xanthan gum 0.2%; magnesium aluminum silicate 0.5%; ethylene glycol 0.5%; defoamer AF-1500 is 0.2%; sodium benzoate 0.05%; isooctyl alcohol polyoxyethylene ether phosphate 1%; the balance is water.

[0037] The preparation method of above-mentioned emamectin B2a benzoate and indoxacarb suspoemulsion comprises the following steps:

[0038] S1: Mix the above-mentioned indoxacarb, wetting agent Morwet EFW, dispersant Morwet D-425 and 70% water, add appropriate amount of zirconium beads, grind, add defoamer AF-1500, ethylene glycol Alcohol, xanthan gum and magnesium aluminum silicate, continue to grind until D95≤5μm, to obtain indoxacarb suspension;

[0039]S2: Mixing the above emamectin B2a benzoate, emulsifier Zephrym 3300B a...

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Abstract

The invention relates to the technical field of pesticides, and specifically discloses a emamectin B2a benzoate and indoxacarb suspoemulsion and a preparation method thereof. The suspoemulsion comprises the following components in mass fraction: 0.1-10% of emamectin B2a benzoate; 0.1-20% of indoxacarb; 2-5% of emulsifier; 0.5-4% of wetting agent ; Dispersant 1-8%; Thickener 0.1-1%; Antifreeze 0.3-0.7%; Defoamer 0.1-0.3%; Stabilizer 0.01-0.1%; . The suspoemulsion provided by the invention uses water as a solvent, is green and environmentally friendly, has low cost, has excellent quick-acting and long-lasting effects, can effectively reduce the number of times of application, and improves the utilization rate of drugs, and the suspoemulsion has both insecticidal and insecticidal properties. The effect of disease prevention has the effect of reducing application and increasing efficiency and one spray for multiple prevention.

Description

technical field [0001] The invention relates to the technical field of pesticides, in particular to a emamectin B2a benzoate and indoxacarb suspoemulsion and a preparation method thereof. Background technique [0002] Emamectin benzoate is a macrolide insecticide derived from biological fermentation. It has the characteristics of ultra-high efficiency, low toxicity, no residue, and no pollution. Emamectin benzoate has extremely high activity against lepidopteran insects (such as rice stem borer) larvae and many other pests and mites, and has strong quick-acting, but short-lasting effect, so it can be used alone Time-consuming and laborious, the effect is not good. [0003] Indoxacarb is a new type of oxadiazine insecticide, which has contact and stomach poisoning effects. It enters the pests through contact and feeding, blocks the sodium ion channel of the pest nervous system, and causes the pests to quickly paralyze and stop feeding. . According to the insecticidal princ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N43/90A01N47/38A01N25/04A01P7/04
CPCA01N25/04A01N43/90A01N47/38
Inventor 张文树刘新兆陈海涛
Owner HEBEI VEYONG BIO CHEM
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