Tunable Aqueous Polymer Phase Impregnated Resins (TAPPIR®): Investigation of the impregnation stability

Therefore the impregnation stability dependent on the process (temperature and pH value), the properties of the particles and the physicochemical parameters of the ATPS was investigated. As many parameters need to be measured, making the determination of the impregnation stability predicting parameter difficult, the three-phase contact angle was proposed to describe the interaction of the ATPS with the porous solid. It was found, that the impregnability of phases and the impregnation stability could be predicted with the contact angle. Thus, the selection of the phase to be impregnated and the process design for novel separation tasks with TAPPIR® can be simplified.