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Microcapsule suspension-suspending agent containing pendimethalin and flumioxazin

A technology of flurafenal and pendimethalin, which is applied in the direction of herbicides, algicides, biocides, and biocides, and can solve the problem of suspension of microcapsules without pendimethalin and flurafenyl- Suspending agent reports and other issues, to achieve obvious synergistic effect, reduce toxicity, and improve drug efficacy

Inactive Publication Date: 2020-03-03
LIER CROPSCIENCE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In the prior art, there is no relevant report on the composition of pendimethalin and flumechlor propargyl and its microcapsule suspension-suspension agent

Method used

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  • Microcapsule suspension-suspending agent containing pendimethalin and flumioxazin
  • Microcapsule suspension-suspending agent containing pendimethalin and flumioxazin
  • Microcapsule suspension-suspending agent containing pendimethalin and flumioxazin

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] Example 1: 40.1% pendimethalin·flurafen propargyl microcapsule suspension-suspension concentrate

[0042] Formulation: pendimethalin 40%, flurafen propargyl 0.1%, dimethyl sulfoxide 6%, ethylenediamine 1%, sodium dodecylbenzenesulfonate 6%, alginate 1%, alkyl Betaine 7%, polyisocyanate 7%, ethylene glycol 0.1%, xanthan gum 0.5%, water to make up to 100%.

[0043] Preparation process: in a reaction vessel with heat preservation and stirring, dissolve pendimethalin in dimethyl sulfoxide, then add sodium dodecylbenzene sulfate, alginate, solvent and polyisocyanate and stir at a high speed (1000 rpm After stirring evenly, add ethylenediamine, stir at a low speed (45 rpm), and gradually raise the temperature to 70°C, then stir at a low speed (50 rpm) at a temperature of 70°C for 5 hours to obtain Microcapsule suspending agent of mevalyl; then, flumechlor propargyl, alkyl betaine, ethylene glycol, and xanthan gum are uniformly mixed through high-speed shearing, and ball mill...

Embodiment 2

[0045] Example 2: 60% pendimethalin·flurafen propargyl microcapsule suspension-suspension

[0046]Pendimethalin 20%, Propyridine 40%, Dimethylsulfoxide 5%, Ethylenediamine 2%, Sodium Dodecyl Benzene Sulfate 2%, Alginate 1%, Alkyl Betaine 8 %, polyisocyanate 8%, ethylene glycol 0.1%, xanthan gum 0.5%, water to make up to 100%.

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Abstract

The invention relates to a microcapsule suspension-suspending agent containing pendimethalin and flumioxazin, wherein the pendimethalin is in a microcapsule state, the flumioxazin is in a suspension state, and a weight ratio of the pendimethalin to the flumioxazin is 400:1-1:5. According to the invention, the microcapsule suspension-suspending agent is used for preventing and treating gramineous weeds and broadleaf weeds in cotton, garlic, wheat, corn, rice, soybeans, peanuts, citrus, grapes, sugarcane, potatoes, celery, strawberries, barley, sunflowers and sorghum fields, and has significantsynergistic effect.

Description

technical field [0001] The invention relates to the field of pesticide formulations, in particular to a microcapsule suspension-suspension agent containing pendimethalin and fluorfenflufen. Background technique [0002] Microcapsule suspension-suspension concentrate is a stable dosage form formed by mixing one component into microencapsulation and the other component as suspending agent. The polymer material is used as the capsule wall or membrane, and the pesticide active ingredients in the capsule core are prepared into microcapsules through various chemical and physical methods such as interfacial polymerization, emulsification cross-linking polymerization, and then suspended in water stably. It is a kind of microcapsule suspension-suspension agent which has the common advantages of microcapsule and suspending agent, which is composed of mixing with another active ingredient. For example, it can meet the requirements of prolonging the release of the drug and have the cha...

Claims

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Application Information

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IPC IPC(8): A01N43/84A01N33/18A01N25/28A01N25/04A01P13/00
CPCA01N43/84A01N33/18A01N25/28A01N25/04
Inventor 胡细佳殷勇聂珍杨剑星苟骄
Owner LIER CROPSCIENCE CO LTD
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