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Linear solvation energy relationship and evaluation of mutual miscibility of polymers using inverse gas chromatography data
Author(s) -
Huang JanChan
Publication year - 2011
Publication title -
journal of applied polymer science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.575
H-Index - 166
eISSN - 1097-4628
pISSN - 0021-8995
DOI - 10.1002/app.35252
Subject(s) - inverse gas chromatography , miscibility , solvation , flory–huggins solution theory , polymer , thermodynamics , dispersion (optics) , interaction energy , gas chromatography , chemistry , inverse , materials science , polymer chemistry , chromatography , organic chemistry , molecule , physics , mathematics , geometry , optics
Inverse gas chromatography (IGC) has been widely used to determine the Flory–Huggins parameters, χ, between solutes (probes) and polymers. In a previous study a multiparameter acid–base model, which included dispersion, polarity, acidity, and basicity components, was used to correlate the Flory–Huggins parameters of a series of probes obtained from IGC measurement. Using IGC data from two polymers the parameters of poly(ε‐caprolactone) (PCL) and polyepichlorohydrin (PECH) were calculated and used to estimate the interaction parameter between them. In the present study a modified linear method was proposed to obtain the parameter differences between the two polymers directly from their chromatographic retention data. This method offers a more convenient assessment on the mutual miscibility between the two polymers. This method is also related to the linear solvation energy relationship (LESR). Correlations between the descriptors of LESR and the parameters in this acid–base model are discussed. © 2011 Wiley Periodicals, Inc. J Appl Polym Sci, 2012