PREPARATION OF 4-VINYLPYRIDINE AND DIVINYLBENZENE POROUS LAYER OPEN TUBULAR COLUMNS BY IN SITU COPOLYMERIZATION

摘要

A new type of polar porous polymer glass capillary column, named OPPLOT-S, was prepared by in situ copolymerization of 4-vinylpyridine and divinylbenzene. Its chemical composition was found to be similar to that of Porapak S. The OPPLOT-S columns performed very efficiently in analysing alcohols, hydrocarbons, nitriles, amines, polar and apolar mixtures and permanent gases. They can provide good separations of NH3-H2O, CH3OH-H2O and CO-CH4-CO2 in a relatively short time under general conditions. The polarities of capillary columns were evaluated by using the Rohrshneider and McReynolds constants. [References: 16]