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Polymer-water partition coefficients of extended range measured by using organic modifiers in the aqueous phase
KTH, School of Chemical Science and Engineering (CHE), Fibre and Polymer Technology.
2007 (English)In: Polymer, ISSN 0032-3861, E-ISSN 1873-2291, Vol. 48, no 26, 7523-7530 p.Article in journal (Refereed) Published
Abstract [en]

A procedure for estimating equilibrium polymer-water partition coefficients over a broad range of solute hydrophobicity is presented and evaluated. The coefficients were calculated from the concentration change in the liquid phase and hydro-organic mixtures of varying proportions were used to extend the range. Three hydrophobic polymers (PP, PE, and EBA), two types of solvent (acetonitrile and alcohols) and 12 model solutes were used. The estimated polymer-water partition coefficients, log K-pw, ranged from -0.5 to 8.5. The coefficients correlated to other partitioning systems such as the calculated log Poctanol-water up to similar to 14 and the retention factor (log k(w)) in reversed-phase liquid chromatography.

Place, publisher, year, edition, pages
2007. Vol. 48, no 26, 7523-7530 p.
Keyword [en]
polymer-water partition, sorption, lipophilicity, performance liquid-chromatography, solvation energy relationships, mobile-phase, stationary phases, retention, systems, drugs, model, lipophilicity, accumulation
Identifiers
URN: urn:nbn:se:kth:diva-17201DOI: 10.1016/j.polymer.2007.10.047ISI: 000252289000012Scopus ID: 2-s2.0-36749028201OAI: oai:DiVA.org:kth-17201DiVA: diva2:335244
Note
QC 20100525Available from: 2010-08-05 Created: 2010-08-05 Last updated: 2017-12-12Bibliographically approved

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