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Updated: Feb 13, 2026

Pretreatment of Lignocellulosic Biomass with Low-cost Ionic Liquids
Published on: August 10, 2016
A simple and universal gel permeation chromatography technique for precise molecular weight characterization of
Hongkun He1, Mingjiang Zhong, Brian Adzima
1Center for Macromolecular Engineering, Department of Chemistry, Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, USA.
Abstract:
Poly(ionic liquid)s (PILs) are an important class of technologically relevant materials. However, characterization of well-defined polyionic materials remains a challenge. Herein, we have developed a simple and versatile gel permeation chromatography (GPC) methodology for molecular weight (MW) characterization of PILs with a variety of anions. PILs with narrow MW distributions were synthesized via atom transfer radical polymerization, and the MWs obtained from GPC were further confirmed via nuclear magnetic resonance end group analysis.
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