화학공학소재연구정보센터
Industrial & Engineering Chemistry Research, Vol.44, No.1, 67-74, 2005
Emulsion catastrophic inversion from abnormal to normal morphology. 4. Following the emulsion viscosity during three inversion protocols and extending the critical dispersed-phase concept
Three protocols are tested to invert an abnormal emulsion into a normal one: a dynamic process with continuous addition of an internal phase, continuous stirring of a given emulsion with no addition of an internal phase, and the combination of the previous ones, i.e., a standstill dynamic process in which the addition of an internal phase is interrupted at some time and then followed by continued stirring. In situ follow-up of both conductivity and viscosity data in a rheomixer vessel provides complementary information to corroborate the critical dispersed-phase concept as a condition for the inversion to take place in all cases. Some applications are discussed.