Miscibility in terpolymer-copolymer blends

The phase behaviour of 50 50 blends of a series of terpolymers from styrene, maleic anhydride and acrylonitrile with styrene-acrylonitrile copolymers and styrene-maleic anhydride copolymers has been determined using the single glass transition temperature criterion. The appropriate expression for th...

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Bibliographic Details
Published inPolymer (Guilford) Vol. 35; no. 7; pp. 1473 - 1476
Main Authors Cowie, J.M.G., Ferguson, R., McEwen, I.J., Reid, V.M.C.
Format Journal Article
LanguageEnglish
Published Oxford Elsevier Ltd 01.01.1994
Elsevier
Subjects
Applied sciences
blends
copolymer
Exact sciences and technology
Organic polymers
Physicochemistry of polymers
Properties and characterization
terpolymer
Thermal and thermodynamic properties
copolymer
terpolymer
blends
Terpolymer
Acrylonitrile copolymer
SAN
Property composition relationship
Miscibility
Maleic anhydride copolymer
Experimental study
Mixture
Styrene copolymer
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Summary:The phase behaviour of 50 50 blends of a series of terpolymers from styrene, maleic anhydride and acrylonitrile with styrene-acrylonitrile copolymers and styrene-maleic anhydride copolymers has been determined using the single glass transition temperature criterion. The appropriate expression for the overall blend interaction energy density according to the extended Flory-Huggins theory is examined and the general shapes of miscibility contours in composition space are deduced and presented in a novel manner. The experimental miscibility is dependent on both terpolymer and copolymer composition, and is well described by this expression using values of segmental interaction parameters available from the literature.
ISSN:0032-3861
1873-2291
DOI:10.1016/0032-3861(94)90347-6