Suspending agent containing spirodiclofen and preparation method thereof

A technology of suspending agent and spirodiclofen, applied in the field of synergistic suspending agent, can solve the problems of synergistic effect, reducing drug effect, and destroying the stability of preparations with proportional control, so as to achieve the improvement of drug effect, increase of drug effect, and good control effect. Effect

Inactive Publication Date: 2010-02-10
SHENZHEN NOPOSION AGROCHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Usually people use the method of tank mixing, but if it is used improperly in the process of tank mixing, a series of problems such as ratio control and

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] Example 1: 25% Abamectin Spirodiclofen SC

[0029] In a 150mL beaker, add 3 grams of polystyrene polyoxyethylene ether phosphate triethanolamine salt, 1 gram of NP-10 (nonylphenol polyoxyethylene ether), 2 grams of JFC (linear alkyl polyoxyethylene ether) ), 1 gram of butyl hydroxyanisole, 5 grams of ethylene glycol, 0.4 grams of silicone defoamer, 0.5 grams of phosphoric acid, 0.25 grams of xanthan gum, and 60.45 grams of water. Stir to completely dissolve the surfactant in the cup in water, then add 23.3 grams of 95% spirodiclofen industrial product and 3.1 grams of 92% abamectin industrial product, stir again to make the materials in the cup evenly distributed, and pour it into the laboratory. Sand mill in a vertical 200mL small sand mill for 1.5 hours. The prepared suspending agent samples were detected by a Malvern laser particle size distribution analyzer, and the particle diameters of the samples at room temperature were measured: D101.970 μm, D503.414 μm, D905....

Embodiment 2

[0030] Example 2: 30% Spirodiclofen Triazoltin SC

[0031] Add 40 grams of alkyl naphthalene sulfonate sodium formaldehyde condensate, 20 grams of 0303 (triazol tin stabilizer), 30 grams of branched chain alkyl polyvinyl ether, 50 grams of propylene glycol, and 4 grams of silicone defoamer in a 2000 mL beaker , 15 grams of citric acid, 523.7 grams of water. Stir to make the surfactant in the cup completely dissolved in water, then add 105.3 grams of 95% spirodiclofen industrial product, 210.5 grams of 95% triazolin industrial product, and then stir to make the material in the cup into a uniform slurry. Pass into the above-mentioned horizontal sand mill continuously, circulate sand mill 3 times to obtain the sample, then add 1.5 grams of xanthan gum in the sample, stir into homogeneous phase to obtain the suspending agent. The prepared suspending agent sample was detected by a Malvern laser particle size distribution analyzer, and the particle size of the sample at room temper...

Embodiment 3

[0032] Example 3: 50% spirodiclofen·pyridaben SC

[0033] In a 2000mL beaker, add 25 grams of tristyrylphenol polyoxyethylene ether phosphate triethanolamine salt, 10 grams of polycarboxylate, 30 grams of fast penetrating agent TX (alkyl succinic acid sulfonate), 50 grams of propylene glycol , 4 grams of silicone defoamer, 5 grams of phosphoric acid, 1 gram of xanthan gum, 348.7 grams of water. Stir to make the surfactant in the cup completely dissolve in water, then add 168.3 grams of 95% spirodiclofen industrial product, 358 grams of 95% pyridaben industrial product, and then stir to make the material in the cup into a uniform slurry. The material was continuously passed into the above-mentioned horizontal sand mill, and the sample was obtained by circular sand grinding for 3 times. The prepared suspending agent samples were detected by a Malvern laser particle size distribution analyzer, and the particle diameters of the samples at room temperature were measured: D101.514 ...

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Abstract

The invention discloses a suspending agent containing spirodiclofen, comprising the following components by weight percent: 1-50% of spirodiclofen, 1-50% of another active matter, 2-10% of dispersant,0-5% of wetting agent, 0.1-6% of functional assistant, 0.01-0.8% of defoamer, 0-10% of antifreezing agent, 0.1-5% of thickening agent, 0-0.8% of mildew preventive, 0-2% of pH regulator, 0-3% of antioxidant and the balance of water. The functional assistant is one or the composition of alkyl butanedioic acid sulphonates, branched alkyl polyethenoxy ethers and linear alkyl polyethenoxy ethers. Compared with the prior art, the invention employs the method of adding a synergistic assistant in the manufacturing process of the suspending agent to reduce the operation steps in the use process of thepesticide so as to save the packing materials and prevent the addition of the functional assistant from destroying the stability of the suspending agent. Furthermore, since some functional assistantshave the dispersity and the wettability to some extent, the addition of the functional assistant increases the effect and the stability of the suspending agent.

Description

technical field [0001] The invention relates to a synergistic suspending agent of a pesticide composition containing spirodiclofen and a preparation method thereof. Background technique [0002] Acarids are the main pests that harm plant leaves, stems and flowers on fruit trees, cotton, solanaceous vegetables, ornamental flowers and other crops. Acarids have many generations, strong fecundity, and are prone to resistance to acaricides. Some acaricides with good control effects have become significantly less effective after years of long-term use. Spirodiclofen is a new acaricide with a new mechanism of action. It mainly inhibits the fat synthesis of mites and blocks the energy metabolism of mites. It is effective on all developmental stages of mites including eggs. It has contact killing effect and has no systemic effect. It has no cross-resistance with existing acaricides, and is suitable for controlling mites that are resistant to existing acaricides. Spirodifen has a wi...

Claims

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Application Information

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IPC IPC(8): A01N43/90A01N43/12A01N25/04A01N55/04A01N43/58A01N43/713A01N43/36A01N43/56A01N47/34A01P7/02
Inventor 林雨佳赵军刘立栓谢晔曹明章孔建王新军
Owner SHENZHEN NOPOSION AGROCHEM
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