| abstract |
a) an aqueous medium; And b) a capsule consisting of a polymer shell surrounding the core, wherein the capsule is dispersed in the aqueous medium using a dispersing machine covalently bonded to the polymer shell; Wherein the dispersing unit is selected from the group consisting of carboxylic acid or salts thereof, sulfonic acids or salts thereof, phosphoric acid esters or salts thereof, phosphonic acids or salts thereof, ammonium groups, sulfonium groups and phosphonium groups; The core comprising at least one chemical reactant capable of forming a reaction product upon application of heat and / or light; And said capsules have an average particle size of less than or equal to 4 占 퐉 as measured by dynamic laser diffraction. |