Concentrated suspension of agrochemicals in high electrolyte aqueous medium

• Main Author: ZHU, Shawn
• Format: Patent
• Language: English
• Published: 17.01.2019
• Subjects: AGRICULTURE; ANIMAL HUSBANDRY; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES, AS HERBICIDES; CHEMISTRY; FERTILISERS; FERTILISERS CHARACTERISED BY THEIR FORM; FISHING; FORESTRY; HUMAN NECESSITIES; HUNTING; MANUFACTURE THEREOF; METALLURGY; MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENTSUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVINGA SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES,SOIL-CONDITIONERS, WETTING AGENTS; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS; PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTSTHEREOF; TRAPPING

The present invention generally relates to stable suspension concentrates (SC) displaying shear thinning property and comprising: a water soluble salt, an electrolyte water thickening polymer (e.g., xanthan gum or guar gum), an insoluble solid agrochemical and water. The 5 water soluble salt can be an inorganic salt or a pesticide salt (e.g. fertilizer or water soluble herbicide such as glyphosate, glufosinate, dicamba, MCPA or 2,4-D); the water thickening polymer is a water soluble polymer capable of fully hydrating and thickening the salt solution (e.g. AGHRO DR-2000); and the insoluble solid agrochemical can be a cellulosic derivative MEHEC, a water insoluble pesticide (e.g. atrazine, clothianidin or imidacloprid), a water 0 insoluble growth regulator, a water insoluble micronutrient or mixtures thereof. The invention further relates to a method of producing said suspension comprising dissolving thickening polymer in water, adding water soluble salt and adding water insoluble agrochemical.