A novel membrane emulsification technique for microencapsulation in self-healing concrete: development and proof of concept

Abstract Membrane emulsification is a promising new technique that can be deployed as scalable modular conduit for the consistent and continuous production of single complex emulsions. This work reports on development manufacturing platform based membrane first time microcapsule-based self-healing cementitious materials. The feasibility double emulsion with wall formation secondary step through UV radical polymerisation was explored using discrete dispersion cell. operational parameters (pressure, dispersed phase flux, temperature, shear rate) were established specific characteristics (viscosity, density, interfacial tension) to achieve control droplets maintain high encapsulation core content (high payload). Microcapsules sodium silicate an average diameter ?130 ? m produced. shown payload (?89%). Moreover their thermal stability characterised release performance in matrix established. results demonstrated capability produce microcapsules aqueous use