Janků S1, Škeříková V1, Urban J2.
J Chromatogr A. 2015 Apr 3;1388:151-7. doi: 10.1016/j.chroma.2015.02.038. Epub 2015 Feb 18.Four linear diaminoalkanes (1,2-diaminoethane, 1,4-diaminobutane, 1,6-diaminohexane, and 1,8-diaminooctane) have been used to hypercrosslink poly(styrene-co-vinylbenzyl chloride-co-divinylbenzene) monolithic stationary phases by nucleophilic substitution reaction. The column efficiency of polymer monoliths improved with longer diaminoalkane with 1,8-diaminoctane providing the highest efficiency. The concentration of 1,8-diaminoctane, together with hypercrosslinking time and temperature has been optimized. Read More