Microcapsule formulations

A - Human Necessities – 01 – N

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A01N 25/28 (2006.01)

Patent

CA 2487439

The invention relates to novel microcapsule formulations consisting of A) a particulate disperse phase of microcapsules, which have shells consisting of polyurea and/or polyurethane with average layer thicknesses of between 5 and 20 nm and at least one penetration promoter as a capsule filler, in addition to optional additives and B) a suspension, which contains at least one solid, agrochemical active agent, additives, water and optionally one or more agrochemical active agents that are liquid at an ambient temperature. The invention also relates to a method for producing said microcapsule formulations and to the use thereof for applying agrochemical active agents.

L'invention concerne de nouvelles formulations pour microcapsules comprenantA) une phase de microcapsules en dispersion particulaire, ces microcapsules contenant des enveloppes de polyurée et/ou de polyuréthanne en couches d'épaisseur moyenne allant de 5 à 20 nm, et des garnitures composées d'au moins un promoteur de pénétration et éventuellement d'additifs, ainsi que B) une suspension, comportant au moins un agent actif agrochimique solide, des additifs, de l'eau et éventuellement un ou plusieurs agents actifs agrochimiques, liquides à température ambiante. La présente invention porte également sur un procédé pour réaliser ces formulations pour microcapsules et sur leur utilisation pour appliquer des agents actifs agrochimiques.

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