The development of stationary phases from addition copolymers

Abstract

Four new gum stationary phases suitable for use in glass capillary columns have been prepared by radiation-induced copolymerization of chlorotrifluoroethylene with the following comonomers: ethyl vinyl ether, butyl vinyl ether, vinyl acetate, and vinyl pentanoate. The polarity of each was classified, using the five basic McReynolds constants. A wide range of polarities was achieved by altering the functional group and the length of the side chain of the comonomers. The minimum and upper operating temperatures were determined. The minimum operating temperature was found to be 100 °c higher than the corresponding glasstransition temperature.