Article ID Journal Published Year Pages File Type
596178 Colloids and Surfaces A: Physicochemical and Engineering Aspects 2009 7 Pages PDF
Abstract

The mixed monolayer behavior of poly(butyl methacrylate) (nPBMA) and its isomers (isoPBMA, secPBMA and tertPBMA) was investigated from the measurements of surface pressure–area per molecule (π–A) isotherms at two different temperatures. The miscibility and nonideality of the mixed monolayers were examined by calculating the excess area as a function of composition. Negative or close to zero deviations from ideality were observed mostly suggesting that the existence of miscibility between nPBMA and its isomers. Different temperature dependences of π–A isotherms of nPBMA and its isomers were observed likely because of predominantly enthalpic or entropic effect.

Related Topics
Physical Sciences and Engineering Chemical Engineering Colloid and Surface Chemistry
Authors
, , ,