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A kind of environment-friendly thiamethoxam water preparation and preparation method thereof

An environmentally friendly, thiamethoxam technology, applied in the field of new pesticide formulations, can solve the problems of high cost, waste of resources, and high toxicity of aromatic solvents

Active Publication Date: 2015-09-30
NANJING SCIENX BIOTECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Among these solvents, aromatic hydrocarbon solvents are highly toxic and directly endanger users and the environment; although the latter types are more environmentally friendly, they waste valuable resources and cost high

Method used

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  • A kind of environment-friendly thiamethoxam water preparation and preparation method thereof
  • A kind of environment-friendly thiamethoxam water preparation and preparation method thereof
  • A kind of environment-friendly thiamethoxam water preparation and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0096] Example 1 A 1% environment-friendly thiamethoxam aqueous solution

[0097] Raw material ratio:

[0098]

[0099] Prepared by:

[0100] 1. According to the ratio of raw materials, prepare each component of 1kg target product;

[0101] II. Add castor oil polyoxyethylene ether (EL-40), fatty alcohol polyoxyethylene ether (AEO-09), sodium dodecylsulfonate, sodium laurate and glycerin into the stirring tank, and add deionized 2 / 3 of the amount of water was stirred at room temperature to dissolve it to obtain solution A.

[0102] III. Add thiamethoxam to solution A, stir at room temperature to dissolve it, and obtain solution B.

[0103] IV. Dissolve hydroxyethyl cellulose in the remaining deionized water, add this solution into solution B, stir at room temperature to dissolve it, and obtain solution C.

[0104] V. Add tributyl phosphate to solution C, stir evenly, stand still, and defoam. Obtain the target product that appearance is transparent.

Embodiment 2

[0105] Example 2 A 2% environment-friendly thiamethoxam aqueous solution

[0106] Raw material ratio

[0107]

[0108]

[0109] Using the preparation method and steps similar to those in Example 1, 1 kg of the target product with a transparent appearance was obtained.

Embodiment 3

[0110] Example 3 A 2.5% environment-friendly thiamethoxam aqueous solution

[0111] Raw material ratio:

[0112]

[0113] Adopt the similar preparation method and steps of Example 1, obtain the target product that the appearance of 1000kg is transparent, sample photo sees figure 2 .

[0114] From figure 2 It can be seen that the 2.5% environmentally friendly thiamethoxam aqueous solution prepared in this example has a clear and uniform appearance.

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Abstract

The invention provides an environmental-friendly thiamethoxam aqua which is uniform and clarified in appearance and stable in long-term placement. The environmental-friendly thiamethoxam aqua contains the following ingredients in percentage by weight: 1-5% of thiamethoxam and 1-10% of action agent A, wherein the action agent A is one or more selected from sulfonic acid group containing anionic surfactant, sulfuric acid group containing anionic surfactant and carboxyl group containing anionic surfactant; preferably, the environmental-friendly thiamethoxam aqua provided by the invention can also contain an action agent B which is 1-6% the total weight of the environmental-friendly thiamethoxam aqua; the action agent B is selected from non-ionic surfactant and / or natural macromolecular surfactant. The invention further provides a method for preparing the environmental-friendly thiamethoxam aqua. Shown by tests, the indoor killing activity on brown plant hoppers of the environmental-friendly thiamethoxam aqua provided by the invention has no significant difference from that of a commercially-available thiamethoxam aqueous dispersion with concentration which is the same as that of the environmental-friendly thiamethoxam aqua.

Description

technical field [0001] The invention belongs to the field of new formulations of pesticides, in particular to a novel environment-friendly thiamethoxam water formulation and a preparation method thereof. Background technique [0002] With the improvement of environmental protection awareness, the requirements for high efficiency and environmental friendliness of pesticide formulations are put forward. Studies have found that for the same pesticide technical, the effectiveness of the pesticide formulation depends on its formulation type and the dispersion state and size of the pesticide particles. Scientific common sense tells us that when other conditions are the same, the smaller the particle size of the pesticide original drug is, the larger its surface area is, and the wider the contact area with plant leaves and pests is, the more fully the drug effect will be, and the amount of pesticide used will be lower. reduce accordingly. [0003] Whether a pesticide dosage form ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N51/00A01N25/02A01P7/04
Inventor 张子勇梁冰
Owner NANJING SCIENX BIOTECH CO LTD
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