Associative and segregative phase behaviour in mixtures of poly(N-tert-butylacrylamide) and poly(N,N-diethylacrylamide) with poly(4-vinylphenol): effect of solvent and concentration
作者： Leire Ruiz-Rubio , J. Ramón Marin , David Patrocinio , J. Manuel Laza , M. Rodríguez
DOI: 10.1007/S00396-013-2988-8
关键词:
摘要: Interpolymer complexation behaviour between poly(4-vinylphenol) (PVPh), as proton donor, and polyacrylamide derivatives, poly(N-tert-butylacrylamide) poly(N,N-diethylacrylamide) (PNdEAm), acceptor polymers, with both hydrogen bonding hydrophobic properties, have been studied. Most mixtures studied in this work resulted coprecipitation, that is, an associative phase separation. However, for the system PNdEAm/PVPh aprotic solvents, tetrahydrofuran, acetone 1,4-dioxane, either (coprecipitation) or a segregative (precipitation of one polymer presence other) is observed depending on concentration.
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