Views: 0 Author: Site Editor Publish Time: 2023-09-25 Origin: Site
As we all know, emulsifiers are widely used, and it is no exception in the field of pesticides. Today, Haian Petrochemical will take you to understand the application and prospect of emulsifiers in the field of pesticides:
Emulsifier is one of the essential components in the preparation of pesticide emulsion, its main function is to give the necessary surface activity of the emulsion, so that the emulsion is evenly dispersed in water with very small oil beads, forming a relatively stable emulsion. Emulsifiers used to prepare emulsifiers are mainly non-ionic and anionic mixtures. Emulsifiers are generally selected by emulsifying properties and effects of pesticide preparations. The emulsifiers usually used are: Fatty alcohol polyoxyethylene ether, styrene-phenol polyoxyethylene ether, alkylphenol polyoxyethylene ether sulfosuccinate, nonylphenol polyoxyethylene ether, castor oil polyoxyethylene ether, fatty acid polyoxyethylene ester, alkyl aryl sulfonate, etc., such as agricultural milk 2201, agricultural milk 0203B, etc. These compound emulsifiers have good emulsifying properties, and the emulsion prepared by them is relatively stable.
The quality of pesticide dosage forms and preparations is the key factor to determine the value and effect of pesticide products. Various field efficacy results over the decades have shown that the wetting, distribution, dispersion, retention and penetration properties of pesticide can be significantly improved by adding appropriate emulsifiers, reducing the drift of spray liquid in the wind (airflow), preventing or mitigating the damage to sensitive crops nearby. It is beneficial to the spread and adhesion of the medicinal liquid on the leaf surface, reduce the decomposition of the active ingredients in the pesticide preparation by ultraviolet light, and achieve the purpose of improving the biological activity, greatly reducing the amount of the active ingredients of the pesticide, reducing the cost, and protecting the ecological environment. On the other hand, by changing the emulsifier varieties to improve the physical properties of the original drug, delay the generation of resistance, prolong the life of the hard-won pesticide varieties, so that it can play a better role.