Seperation of complex branched polymers by size-exclusion chromatography probed with multiple detection

Marianne Gaborieau, Nicolas, Julien, Save, Maud, Charleux, Bernadette, Vairon, Jean-Pierre, Gilbert, Robert G. and Castignolles, Patrice (2008) Seperation of complex branched polymers by size-exclusion chromatography probed with multiple detection. Journal of Chromatography A, 1190 1-2: 215-223. doi:10.1016/j.chroma.2008.03.031


Author Marianne Gaborieau
Nicolas, Julien
Save, Maud
Charleux, Bernadette
Vairon, Jean-Pierre
Gilbert, Robert G.
Castignolles, Patrice
Title Seperation of complex branched polymers by size-exclusion chromatography probed with multiple detection
Journal name Journal of Chromatography A   Check publisher's open access policy
ISSN 0021-9673
Publication date 2008-05-09
Year available 2008
Sub-type Article (original research)
DOI 10.1016/j.chroma.2008.03.031
Open Access Status
Volume 1190
Issue 1-2
Start page 215
End page 223
Total pages 9
Editor Poole, C.F.
Dorsey, J.G.
Giese, R.W.
Place of publication Netherlands
Publisher Elsevier BV
Language eng
Subject C1
860199 Processed Food Products and Beverages (excl. Dairy Products) not elsewhere classified
030399 Macromolecular and Materials Chemistry not elsewhere classified
Abstract Size-exclusion chromatography (SEC) separates polymers by hydrodynamic volume (the universal calibration principle). Molecular weights can be determined using viscometry (relying on universal calibration) and light scattering (independent of universal calibration). In the case of complex branched polyacrylates with tetrahydrofuran as eluent, universal calibration is valid, although the separation in term of molecular weight is incomplete: a given elution slice contains a range of molecular weights, described in terms of a 'local polydispersity'. The local polydispersity index decreases when the number of branches per chain increases and complete separation is reached for highly branched chains. Crown Copyright (C) 2008 Published by Elsevier B.V. All rights reserved.
Keyword multiple-detection size exclusion chromatography (SEC)
separation
polyacrylate
complex branched polymer
molecular weight
hydrodynamic volume
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: 2009 Higher Education Research Data Collection
School of Agriculture and Food Sciences
 
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Created: Tue, 14 Apr 2009, 23:18:28 EST by Emma Cushworth on behalf of School of Land, Crop and Food Sciences