Method for preparing metalaxyl carbosulfan composite microemulsion

Abstract

The metalaxyl-carbosulfan micro emulsion consists of metalaxyl 1-20 wt%, carbosulfan 3-30 wt%, non-ionic surfactant 10-20 wt%, anionic surfactant 10-20 wt%, solvent 10-50 wt% and water 15-55 wt%. The metalaxyl-carbosulfan micro emulsion has water used as solvent and no toxic solvent component and is environment friendly. It has small pesticide particles and thus raised bioavailability.

Description

technical field [0001] The invention relates to a pesticide preparation, in particular to a pesticide microemulsion, more specifically to a metalaxyl carbofuran microemulsion and a preparation method thereof. Background technique [0002] Metalaxyl, generic name: metalaxyl; chemical name: methyl N-(2-methoxyacetyl)-N-(2,6-dimethylphenyl)-DL-α-alanine; other names : Radomir, Retoxin, Jia. The pure product is a colorless crystal with a melting point of 71.8-72.3°C. It can prevent diseases caused by algae-like bacteria such as downy mildew, blight, late blight, cotton blight, and white rust. With systemic effect. It can be absorbed by plant roots, stems, and leaves, and transported to various organs of plants with the movement of water in plants. It has good protective and therapeutic effects. [0003] Carbosulfan, common name: carbosulfan; chemical name: 2,3-dihydro-2,2-dimethylbenzofuran-7-yl-N-dibutylaminothio-N - Methyl carbamate; other names: Adrantage, Marshall, Adr...

AI Technical Summary

Problems solved by technology

[0004] However, since metalaxyl and carbosulfan are water-insoluble organic compounds, the products currently on the market are mainly single preparations, and they are all bone oil products. Toxic organic solvents such as xylene will cause great pollution to the environment and ecology when used; at the same time, due to the formation of emulsions during the use of emulsifiable concentrate products, the particles of active ingredients are relatively large, and the dosage is large and the absorption effect is poor.