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Polymer analysis by supercritical fluid chromatography

Paper ID Volume ID Publish Year Pages File Format Full-Text
20610 43183 2013 8 PDF Available
Title
Polymer analysis by supercritical fluid chromatography
Abstract

Synthetic polymers always have distributions of the degrees of polymerization. Supercritical fluid chromatography (SFC) is almost only one technique to be able to separate pure polymer that has exactly unique degree of polymerization. For typical examples of SFC separation of polymers, four kinds of polymers: polystyrene, poly(ethylene glycol), some nonionic surfactants, and polyprenol are described about the conditions of SFC. Separated pure polymers which have no molecular weight distribution, are called uniform polymer. Uniform polymers are really useful to calibrate or validate various detectors. Here, the applications of calibrating ultraviolet detector, evaporative light scattering detector, and matrix-assisted laser desorption/ionization time-of-flight mass spectrometry are summarized. These detectors have strong molecular weight dependence of their sensitivity coefficient, in contrast to the good linearity of sample concentration.

Keywords
Supercritical fluid chromatography; Polymer; Oligomer; Degree of polymerization; Molecular weight distribution; Ultraviolet detector; Evaporative light scattering detector; Matrix-assisted laser desorption/ionization time-of-flight mass spectrometry
First Page Preview
Polymer analysis by supercritical fluid chromatography
Publisher
Database: Elsevier - ScienceDirect
Journal: Journal of Bioscience and Bioengineering - Volume 116, Issue 2, August 2013, Pages 133–140
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering