foerfarande foer framstaellning av i vattenemulsion eller - dispersion av that sort of, i do vattenloesligt material and eventuellt vidare omvandling av den framstaellda dispersionen eller emulsionen till i polymerdispersion dao det sort of, i do vattenloesliga materialet aer i polymeriserbar monomer

摘要

An aqueous emulsion or dispersion of a partly water-soluble material is prepared in a two step process, a dispersion of polymer particles containing one or more materials having a very low solubility in water is prepared in the first step and a partly water-soluble material is added in the second step which diffuses into the polymer particles obtained in the first step. Where the partly water-soluble material is a polymerizable monomer, polymerization may be effected after diffusion of the monomer into the polymer particles.