The invention provides a method of forming microcapsules or particles of a matrix which comprises dispersing a first liquid in a second, immiscible or partially miscible liquid that forms a continuous phase, one liquid containing reactants bearing (a) isocyanate moieties and (b) anhydride moieties, glycidyl moieties or electrophilic moieties bearing base-susceptible leaving groups and the other liquid containing a reactant that bears reactive groups that will react with the reactants in the said one liquid to form a membrane. The microcapsules or particles can encapsulate material that will undergo slow release. The invention also extends to the formed microcapsules or particles.
申请公布号
WO0196011(A1)
申请公布日期
2001.12.20
申请号
WO2001CA00846
申请日期
2001.06.11
申请人
MCMASTER UNIVERSITY;3M INNOVATIVE PROPERTIES COMPANY;STOEVER, HARALD, D., H.;SHULKIN, ANNA;MUDALIGE, CHANDRIKA
发明人
STOEVER, HARALD, D., H.;SHULKIN, ANNA;MUDALIGE, CHANDRIKA