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A kind of Abamectin and spirodiclofen composite aqueous suspension and preparation method thereof

A technology of abamectin and spirodiclofen, which is applied in the field of pesticides, can solve the problems of increasing cost, reducing the degree of photolysis of abamectin, and unsatisfactory anti-oxidation effect, achieving strong adaptability, reducing the number of medications and The effect of drug cost, excellent long-term storage stability

Active Publication Date: 2017-12-08
HUIZHOU YINNONG TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The fumed white carbon black in the composition can strongly reflect ultraviolet rays, which can reduce the degree of photolysis of avermectin to a certain extent, but it cannot effectively remove oxidized free radicals, and the anti-oxidation effect is still not ideal, so it needs to be repeated many times. Secondary medication, increasing costs

Method used

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  • A kind of Abamectin and spirodiclofen composite aqueous suspension and preparation method thereof
  • A kind of Abamectin and spirodiclofen composite aqueous suspension and preparation method thereof
  • A kind of Abamectin and spirodiclofen composite aqueous suspension and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] Embodiment 1, a kind of Abamectin and spirodiclofen composite water suspension

[0042] The water suspension described in Example 1 of the present invention consists of the following components and their mass fractions: Abamectin 5%, Spirodiclofen 20%, Wetting and Dispersing Agent 8%, Antioxidant 4%, Thickener 3% , Kathon 0.5%, propylene glycol 4%, AF15000.5% and water 55%. Wherein the wetting and dispersing agent is composed of β-naphthalenesulfonate sodium formaldehyde condensate and Tersperse2210 in a weight ratio of 1:1; : 1:0.3 weight ratio; the thickener is composed of sodium alginate and bentonite in a 1:1 weight ratio.

[0043] Preparation:

[0044] A) Add β-naphthalenesulfonate sodium formaldehyde condensate, Tersperse2210 and propylene glycol into water, stir and mix to obtain a mixed solution;

[0045] B) Add abamectin, spirodiclofen, tannin, dibutylhydroxytoluene and dilauryl thiodipropionate to the above mixed solution, and disperse at 1500r / min for 30mi...

Embodiment 2

[0047] Embodiment 2, a kind of Abamectin and spirodiclofen composite water suspension

[0048] The water suspension described in Example 2 of the present invention consists of the following components and their mass fractions: Abamectin 3%, Spirodiclofen 15%, Wetting and Dispersing Agent 6%, Antioxidant 3%, Thickener 2% , Cathone 0.5%, propylene glycol 3%, AF1500 0.5%, sucrose 2% and water 65%. Wherein the wetting and dispersing agent is composed of β-naphthalenesulfonate sodium formaldehyde condensate and Tersperse2210 in a weight ratio of 1:0.5; : 0.5:0.2 weight ratio; the thickener is composed of sodium alginate and bentonite in a weight ratio of 1:0.5.

[0049] Example 1 was repeated in the same steps, but step A) also included adding sucrose to water.

Embodiment 3

[0050] Embodiment 3, a kind of Abamectin and spirodiclofen composite water suspension

[0051] The water suspension described in Example 3 of the present invention consists of the following components and their mass fractions: Abamectin 4%, Spirodiclofen 22%, Wetting and Dispersing Agent 10%, Antioxidant 2.5%, Thickener 3% , preservative 0.5%, antifreeze 5%, defoamer 1%, sucrose 2% and water 50%. Wherein the wetting and dispersing agent is composed of β-naphthalenesulfonate sodium formaldehyde condensate and Tersperse2210 in a weight ratio of 1:0.3; : 0.5:0.1 weight ratio; the thickener is composed of sodium alginate and bentonite in a weight ratio of 1:0.8.

[0052] The preparation method refers to Example 2.

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Abstract

The invention belongs to the technical field of pesticide and particularly relates to an abamectin-spirodiclofen-compounded water suspending agent and a preparation method thereof. The abamectin-spirodiclofen-compounded water suspending agent comprises 3-5% of abamectin, 12-25% of spirodiclofen, 4-12% of wetting dispersant, 0.5-4% of antioxidant, 1.5-3% of thickening agent, 0.5-1% of preservative, 3-6% of anti-freezing agent, 0.5-1% of defoaming agent and 45-75% of water, wherein the antioxidant is prepared by tannin, butylated hydroxytoluene and dilauryl thiodipropionate according to the weight ratio of 1:(0.5-1):(0.1-0.3). The abamectin-spirodiclofen-compounded water suspending agent is high in stability, excellent in mite killing effect, high in broad spectrum activity and suitable for being popularized and applied with great efforts.

Description

technical field [0001] The invention belongs to the technical field of pesticides, and in particular relates to a compound aqueous suspension of abamectin and spirodiclofen and a preparation method thereof. Background technique [0002] Due to its good environmental compatibility, high drug efficacy, low cost and safe processing and use, pesticide aqueous suspension concentrates stand out among water-based preparations and have great development potential. Pesticide water suspension concentrate is to disperse the original drug that is insoluble or difficult to dissolve in water under the action of additives (wetting and dispersing agent, thickener, structure regulator and defoamer, etc.) to form a uniform and stable dispersed system. The appearance of the water suspension is opaque, and the particle size ranges from 1 to 5 μm. It belongs to a thermodynamically unstable multi-phase dispersion system. In order to obtain a highly dispersed and good performance water suspension...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N43/90A01N43/12A01N25/04A01P7/02A01P7/04
CPCA01N25/04A01N43/12A01N43/90A01N2300/00
Inventor 王爱臣
Owner HUIZHOU YINNONG TECH
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