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Study and comparison of interaction parameters and phase behavior of epoxy/polystyrene and epoxies copolymer polystyrene‐ b ‐poly(methyl methacrylate) blends
Author(s) -
Torrens Francisco,
Monzó Isidro S.,
GómezClarí Clara M.,
Abad Concepción,
Campos Agustín
Publication year - 2008
Publication title -
polymer composites
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.577
H-Index - 82
eISSN - 1548-0569
pISSN - 0272-8397
DOI - 10.1002/pc.20518
Subject(s) - polystyrene , materials science , epoxy , thermosetting polymer , thermoplastic , miscibility , phase (matter) , methyl methacrylate , copolymer , prepolymer , composite material , poly(methyl methacrylate) , solubility , hildebrand solubility parameter , polymer chemistry , polymer , organic chemistry , chemistry , polyurethane
Thermodynamic studies in terms of phase separation behavior and interaction parameters, in mixtures of epoxy resins (thermoset materials) with thermoplastic additives, consisting of polystyrene (PS) or polystyrene‐ b ‐poly(methyl methacrylate) P(S‐MMA) (with small proportion of MMA), have been carried out. It can be confirmed that the solubility of P(S‐MMA) is an improvement on that of PS, with the prepolymer epoxy resins. Moreover, the interaction parameters are positive at temperatures in which phase separation is observed, but negative at temperatures in which the phase separation window disappears, in the corresponding phase diagram. POLYM. COMPOS., 2008. © 2008 Society of Plastics Engineers

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