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Broad spectrum type auxiliary agent dedicated for pesticide water suspending agent and preparation method thereof

A pesticide water and suspension concentrate technology, applied in the direction of botany equipment and methods, applications, biocides, etc., can solve the problems of complicated use, high cost, and many types of original medicines, and achieve simplified production processes, reduced usage, and cold storage. The effect of stable performance after thermal storage

Inactive Publication Date: 2018-08-14
南京拓际生物科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, at present, the adjuvants of many pesticide technical materials are specific, which makes the process of producing pesticide water suspension preparations in factories costly, and there are many types of technical medicines, and the use is complicated

Method used

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  • Broad spectrum type auxiliary agent dedicated for pesticide water suspending agent and preparation method thereof
  • Broad spectrum type auxiliary agent dedicated for pesticide water suspending agent and preparation method thereof

Examples

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Comparison scheme
Effect test

preparation example Construction

[0043] The preparation method of described dispersant A, concrete steps are:

[0044] a. Add a certain amount of deionized water and chain transfer agent into the reaction flask, stir and heat to 60-90°C to obtain solution 1;

[0045] b. Under the condition of heat preservation and stirring, add 2-vinylpyridine, organic acid and initiator solution dropwise to the above solution 1, the dropwise addition is completed within 1 to 3 hours, heat preservation and stirring for 2 to 3 hours to obtain solution 2;

[0046] c. Cool the solution 2 obtained in step b to room temperature, neutralize the carboxylic acid in the solution 2 with an alkali, and the neutralization amount is 50-100% of the carboxyl moles to obtain the dispersant A.

[0047] The wetting agent B is synthesized from an initiator, a double metal cyanide complex catalyst, ethylene oxide, and propylene oxide.

[0048] The ratio of the wetting agent B according to the mass parts is: 1-10 parts of starter, 150-250 parts ...

Embodiment 1

[0055] Components and parts by mass:

[0056] 3 parts of dispersant A, 1 part of wetting agent B, 0.1 part of azone.

[0057] Preparation:

[0058] Mix and stir 30g of dispersant A, 10g of wetting agent B, and 1g of azone evenly, and the additive is obtained after the mixed material is fully uniform and transparent.

Embodiment 2

[0060] Components and parts by mass:

[0061] 3 parts of dispersant A, 2 parts of wetting agent B, 0.2 parts of azone.

[0062] Preparation:

[0063] Mix and stir 30g of dispersant A, 20g of wetting agent B, and 2g of azone evenly, and the additive is obtained after the mixed material is fully uniform and transparent.

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Abstract

The invention relates to a broad spectrum type auxiliary agent dedicated for pesticide water suspending agent. The auxiliary agent is synthesized and prepared from a dispersant A, a wetting agent B and a synergist C. The auxiliary agent is prepared from the following ingredients in parts by weight: 3-4 parts of the dispersant A, 1-3 parts of the wetting agent B and 0.1-0.3 part of the synergist C.The auxiliary agent disclosed by the invention has high broad spectrum and is suitable for preparing different categories and different concentration gradients of pesticide water suspending agents. The auxiliary agent has the characteristics of simple own production technology and easiness in controlling product quality. The same category of pesticide water suspending agent is produced, and the auxiliary agent disclosed by the invention is low in dosage and is favorable for reducing cost and protecting environment.

Description

technical field [0001] The invention relates to the field of pesticide preparation, in particular to a special auxiliary agent for broad-spectrum pesticide aqueous suspension and a preparation method thereof. Background technique [0002] Pesticide adjuvants refer to the general term for various auxiliary materials used in the processing and application of pesticide formulations. Although adjuvants themselves generally have no biological activity, they are indispensable additives in the formulation of formulations or during application. Each pesticide adjuvant has a specific function: some can dilute the original drug, some can help the original drug to disperse evenly in the preparation, some can increase the wettability, adhesion or permeability of the particles, some can Some can prevent the decomposition of active ingredients, some can increase the safety of pesticide application, and some can increase the control effect of chemical pesticides when used with chemical pes...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N25/04A01N51/00A01N43/54A01N43/653A01N37/34
CPCA01N25/04A01N37/34A01N43/54A01N43/653A01N51/00
Inventor 卞维鑫何华雄朱极张琦
Owner 南京拓际生物科技有限公司
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