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An improved concept in solubility parameter theory applied in amorphous polymers. I. Poly(ethyl methacrylate)
Author(s) -
Karim K. A.,
Bonner D. C.
Publication year - 1979
Publication title -
polymer engineering and science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.503
H-Index - 111
eISSN - 1548-2634
pISSN - 0032-3888
DOI - 10.1002/pen.760191608
Subject(s) - methacrylate , solubility , hildebrand solubility parameter , materials science , flory–huggins solution theory , polymer , dilution , solvent , amorphous solid , thermodynamics , polymer chemistry , organic chemistry , chemistry , composite material , physics , monomer
Abstract Gas‐liquid chromatography has been used to estimate thermodynamic parameters of a variety of aromatic and aliphatic solvents at infinite dilution in poly(ethyl methacrylate). Heats of solution, Flory‐Huggins interaction parameters, and specific interaction parameters were calculated from specific retention volumes. Comparative interpretation of these thermodynamic quantities has led to the establishment of a solvent selectivity scale for poly(ethyl methacrylate). Limitations of the threedimensional solubility parameter theory on the systems tested here are demonstrated. A significantly improved concept is developed and tested.

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