Polymer swelling, 13: Correlation of flory–huggins interaction parameter, χ, with molecular structure in polystyrene–liquid systems | Zendy

Errede L. A. | Zendy

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Polymer swelling, 13: Correlation of flory–huggins interaction parameter, χ, with molecular structure in polystyrene–liquid systems

Author(s) -

Errede L. A.

Publication year - 1992

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.1992.070450409

Subject(s) - polystyrene , divinylbenzene , polymer , swelling , flory–huggins solution theory , gravimetric analysis , materials science , polymer chemistry , styrene , thermodynamics , chemistry , organic chemistry , copolymer , composite material , physics

It is shown that the Flory–Huggins interaction parameters (χ), for polystyrene–liquid systems, reported by others, vary linearly with the readily and precisely determinable relative swelling power ( C ) of the selfsame liquid, determined in this laboratory using poly(styrene‐co‐divinylbenzene) as the sorbent polymer. This simple gravimetric method appears to be the most suitable for the determination of χ values of polystyrene–liquid systems over the full range of polymer volume fractions. Accordingly, the C values already determined by this method were used to calculate numerous χ values for polystyrene–liquid systems not yet reported in the literature. The data obtained thereby show that χ reflects sensitively the molecular structure of the liquid.

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