Spraying auxiliary agent and preparation method thereof as well as spraying liquid containing spraying auxiliary agent

Abstract

The invention provides a spraying auxiliary agent and a preparation method thereof as well as spraying liquid containing the spraying auxiliary agent. The spraying auxiliary agent is prepared from N,N-dimethylpropyleneurea (DMPU). The spraying auxiliary agent provided by the invention is prepared from the DMPU and has extremely excellent solubility and stability; on one hand, the solubility of sprayed active components can be increased; on the other hand, wax layers of plants or insects can also be dissolved and the permeation of the sprayed active components is accelerated, so that the sprayed active components can rapidly and reliably reach a targeting position; the absorption of the plants or the insects on the active components is promoted and the spraying effect is remarkably enhanced.

Description

technical field [0001] The invention belongs to the technical field of pesticides, and relates to a spray adjuvant, a preparation method thereof and a spray liquid containing the same. Background technique [0002] With the continuous deepening of our country's emphasis on environmental protection, traditional pesticide emulsifiable concentrates are restricted due to the organic solvents that pollute the environment, which in turn promotes the development of water-based pesticides. However, because there is a waxy layer that is insoluble in water but soluble in organic solvents on the surface of plants and pests, and most of the water-based pesticides are water, which hinders the contact and systemic pesticide penetration of plants and pests. Therefore, some water-based preparations must be mixed with spray auxiliaries to fully exert their efficacy. [0003] By adding an effective spray adjuvant, the active ingredients of the pesticide can be delivered to the target site, s...

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Problems solved by technology

CN102511476A discloses a spray adjuvant and its preparation method, which adds azone and trimethoxysilane to the advantage of retaining the original vegetable oil spray adjuvant, which improves the wetting performance and enables pesticides to penetrate efficiently, but azone Low stability, resulting in low stability of spray auxiliaries; CN106942207A discloses a mechanized control spray adjuvant for neonicotinoid pesticide insecticide, which is composed of active ingredient carrier, glycerin, vegetable oil and surfactant, active ingredient carrier Composed of starch carrier, sugar carrier and inorganic carrier, the spray adjuvant has complex components and a narrow scope of application, and is only suitable for neonicotinoid pesticides and insecticides; CN106889061A discloses a spray adjuvant for mechanized control engineering Agents, including 10-20% vegetable oil, 5-20% silicone, 10-20% surfactant and vegetable oil or methyl oleate, for the problems of drug drift in mechanized spraying, volatile and evaporated to dryness, etc., there is also stability The problem is that it needs to be used immediately after being mixed with pesticide preparations; at present, the composition of spray adjuvants is relatively complex, the scope of application is narrow, and the stability is low. Decomposition of adjuvants and other conditions will affect the overall application effect, and it needs to be prepared and used immediately during use, which is not convenient for farmers' daily production and life

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