| abstract |
A method for making capsules having a core surrounded by a polymeric shell can include dispersing droplets of a disperse-phase in a continuous phase by passing the disperse phase through a plurality of holes in a membrane, from a first side of the membrane to a second side of the membrane and into the continuous phase, while the continuous phase is flowed across the second side of the membrane and the membrane is mechanically moved. The disperse phase can include a polymer precursor, an anti-solvent, and a benefit agent, and the continuous phase includes water. The method can further include admixing the dispersion of droplets of disperse phase in the continuous phase under conditions sufficient to initiate polymerization of the polymer precursor within the droplets of disperse phase and polymerizing the polymer precursor to form the shell. |