Domain particles of pesticide particles embedded in an ionic acrylate copolymer The present invention relates to domain particles comprising a plurality of pesticide particles embedded in a copolymer comprising alkyl (meth)acrylate, a water-soluble ionic acrylate, and optionally an acrylate crosslinker in polymerized form and to a process for preparing an aqueous dispersion of the domain particles comprising the steps of a) providing an aqueous suspension of a pesticide in form of coarse particles and subjecting the aqueous suspension to a mill- ing in order to comminute the coarse particles and b) performing a radical polymerization of a monomer mix comprising an alkyl(meth)acrylate, a water-soluble ionic acrylate, and optionally an acrylate crosslinker in the aqueous suspension wherein the milling of step a) is performed in the presence of at least a portion of the monomer mix or wherein the milling of step a) is performed in the absence of monomer mix, and the monomer mix is added after finishing the milling of step a) and it relates to a method of controlling phytopathogenic fungi and/or undesired plant growth and/or undesired insect or mite attack and/or for regulating the growth of plants, wherein the domain particles are allowed to act on the respective pests, their environment or the crop plants to be protected from the respective pest, on the soil and/or on undesired plants and/or on the crop plants and/or on their environment.La présente invention concerne des particules à domaines comprenant une pluralité de particules de pesticide intégrées dans un copolymère contenant de lalkyl(méth)acrylate, un acrylate ionique soluble dans leau, et éventuellement un agent de réticulation acrylate sous forme polymérisée et un procédé de préparation dune dispersion aqueuse des particules à domaines comprenant les étapes suivantes : a) fournir une suspension aqueuse dun pesticide sous la forme de particules grossières et soumettre la suspension aqueuse à un broyage afin