Study of the miscibility of poly(ethyl methacrylate-co-4-vinylpyridine)/poly(styrene-co-cinnamic acid) blends

SummaryThe miscibility of a series of poly(ethyl methacrylate-co-4-vinylpyridine) with poly(styrene-co-cinnamic acid), is investigated by differential scanning calorimetry. The results show that each blend is miscible as ascertained by a single composition dependent glass transition temperature. The...

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Bibliographic Details
Published in:Polymer bulletin (Berlin, Germany) Germany), 1999-07, Vol.42 (6), p.701-708
Main Authors: BOUSLAH, N, HADDADINE, N, BENDIABDALLAH, D, AMRANI, F
Format: Article
Language:English
Subjects:
Applied sciences
Binary systems
Cinnamic acid
Copolymers
Exact sciences and technology
Glass transition temperature
Miscibility
Organic polymers
Physicochemistry of polymers
Polymer blends
Polystyrene resins
Properties and characterization
Protons
Styrenes
Temperature dependence
Thermal and thermodynamic properties
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Summary:SummaryThe miscibility of a series of poly(ethyl methacrylate-co-4-vinylpyridine) with poly(styrene-co-cinnamic acid), is investigated by differential scanning calorimetry. The results show that each blend is miscible as ascertained by a single composition dependent glass transition temperature. The Tg's of the blends exhibit positive deviations from the weight average Tg's of the blend components. The thermograms data exploited according to the Kwei and Schneider approaches suggest the occurrence of strong specific intermolecular attractive interactions within the binary systems. The strength of these interactions, as estimated from the Kwei q-values, increases with the proton donor and proton acceptor contents in the copolymers.
ISSN:0170-0839
1436-2449
DOI:10.1007/s002890050522