Abstract
AbstractPoly(methylmethacrylate) (PMMA), poly(butylmethacrylate) (PBMA), and poly(decylmethacrylate) (PDMA) are completely miscible with toluene at normal pressure from room temperature up to the boiling point of the solvent. In alkanes (C6 to C10) and 1‐pentanol the solubility increases with the length of the side chain of the polymer: PMMA always exhibits a solubility gap within the above temperature range, PBMA shows upper critical solution temperatures (except n‐hexane, which is a non‐solvent), and PDMA mixes completely with all alkanes under consideration. Alcohols (up to C4) are non‐solvents for PMMA but theta solvents for PBMA and PDMA (except ethanol which is a non‐solvent for the latter). The low temperature demixing of ethanol/PBMA is shifted towards lower temperatures by pressure.
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