Hydrogen bonding in ternary polymer blend systems: determination of association parameters

Hydrogen bonding in ternary polymer blend systems: determination of association parameters

The polymer blend system consisting of poly(4-vinylphenol)(PVPh), Poly(vinyl acetate)(PVAc), and poly(ethylene oxide)(PEO) represents a rare case of a ternary system in which each binary pair is miscible in the amorphous state at 150 deg C. Using the concept of competing equilibria, it is shown that...

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Veröffentlicht in:Macromolecules 1992-12, Vol.25 (26), p.7101-7106
Hauptverfasser: Le Menestrel, Christophe, Bhagwagar, Dorab E, Painter, Paul C, Coleman, Michael M, Graf, John F
Format: Artikel
Sprache:eng
Schlagworte:
Applied sciences
Exact sciences and technology
Organic polymers
Physicochemistry of polymers
Properties and characterization
Thermal and thermodynamic properties
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Zusammenfassung:The polymer blend system consisting of poly(4-vinylphenol)(PVPh), Poly(vinyl acetate)(PVAc), and poly(ethylene oxide)(PEO) represents a rare case of a ternary system in which each binary pair is miscible in the amorphous state at 150 deg C. Using the concept of competing equilibria, it is shown that the equilibrium constant describing hydrogen bonding between the OH group of PVPh and the ether oxygen of PEO can be determined from quantitative infrared spectroscopic analysis of the fraction of H bonded PVAc carbonyl groups in single-phase ternary compositions rich in PVPh.
ISSN:0024-9297
1520-5835
DOI:10.1021/ma00052a005