Production of encapsulated solid particles (especially nonionic surfactants) for use in detergents for hard surfaces or for machine or manual washing-up or dishwashing liquids

摘要

Production method of encapsulated solid particles is characterized in that: - (i) the solid material to be encapsulated is fluid at the softening temperature of encapsulant material (I); and - (ii) a fatty alcohol, fatty acid, polyglycerol ester and/or polyoxyalkylenesiloxane emulsifier is added to the melt.- DETAILED DESCRIPTION - Production method of encapsulated solid particles by cooling and working-up a dispersion of the solid material in the melt of a room temperature solid, water-insoluble encapsulant material (I) having a plastic solidifying range is such that: - (i) the solid material to be encapsulated is fluid at the softening temperature of (I) and - (ii) a fatty alcohol, fatty acid, polyglycerol ester and/or polyoxyalkylenesiloxane emulsifier is added to the melt.- An INDEPENDENT CLAIM is included for the encapsulated particles obtained as above, especially those obtained by granulating the cooled dispersion in the plastic solidifying range to give a product of size 0.2-2, especially 0.8-1.2, mm