ADSORPTION OF CIS-1,4-POLYISOPRENE AT SOLID-LIQUID INTERFACE

The adsorption of cis-1,4-polyisoprene on alumina and silica gel was s tudied at three temperatures. The solvents used were toluene, chlorobe nzene and various mixtures of both. The adsorption from the mixtures o f the solvents was much less than from either of the pure solvents. Th e amount of adsorption was an inverse function of temperature. The the rmodynamic quantities of adsorption at infinite dilution were obtained by extrapolation and at isosteric conditions. They were computed and discussed for all the systems.