Anomalous behaviour of PMMA in the (methyl isobutyl ketone)/methanol system

SYNOPSISAs predicted by thermodynamic studies of polymer conformation, high molecular weight poly( methyl methacrylate) (PMMA) dissolves cleanly, and at a constant rate, in a 7 : 3 mixture of 1-butanol and acetonitrile, although neither liquid is a solvent for PMMA by itself. Mixtures of other alcohols with acetonitrile also dissolve PMMA. When mixtures with the same fraction of acetonitrile are compared, methanol dissolves PMMA almost twice as fast, ethanol and hexanol at about the same rate, and 2-propanol somewhat more slowly than the 1-butanol mixture with acetonitrile. The measurements of dissolution rate were made using a laser interferometer at 20°C.

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Variation in thermodynamic properties of polymethacrylates in binary mixtures

Katime

Sasia

Eguía

1988

European Polymer Journal

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Anomalous behaviour of PMMA in the (methyl isobutyl ketone)/methanol system

Cited by 5 publications

References 29 publications

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Internal pressure of polystyrene in mixed solvent of benzene and carbon tetrachloride

Dissolution rates of poly(methyl methacrylate) in mixtures of nonsolvents

Variation in thermodynamic properties of polymethacrylates in binary mixtures

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