Microcapsules

Details Microcapsules Microcapsules

A - Human Necessities

01

N

A01N 25/28 (2006.01)

Patent

CA 2385991

The invention relates to novel microcapsules that consist of I) an envelope produced of a polymer material and II) an envelope content of a1) a continuous solid polymer phase, a2) a liquid oil phase, a3) at least one agrochemical active ingredient, a4) at least one oil-soluble dispergent and a5) optionally additives. The content of the agrochemical active ingredient based on the overall weight of the capsule ranges between 1 and 75 % by weight. The invention also relates to a method for producing said novel microcapsules and to the use thereof for the application of agrochemical active ingredients.

L'invention concerne de nouvelles microcapsules comprenant : I) une enveloppe extérieure en matériau polymère et II) le contenu de ladite enveloppe extérieure, qui comprend : a1) une phase polymère solide continue ; a2) une phase huileuse liquide ; a3) au moins un principe actif agrochimique ; a4) au moins un agent dispersant soluble dans l'huile et a5) éventuellement des additifs. La teneur en principe actif agrochimique se situe entre 1 et 75 % en poids par rapport au poids total des capsules. L'invention concerne également un procédé permettant de préparer ces nouvelles microcapsules et leur utilisation pour appliquer des principes actifs agrochimiques.

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