Bidimensional mixtures of polymethylmethacrylate with fatty esters at water-air interface
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Two-dimensional mixtures were studied between a polymer, polymethylmethacrylate (PMMA) which has at the water-air interface its chains distributed almost parallel to that interface, and two esters, methylstearate (MS) and methyloleate (MO), characterized by having the same chain length but a different interface orientation.
It was shown that the main interactions occurring are those between the hydrophobic chains, and consequently that compatibility between the substances depends essentially on their having the same interface orientation.
Key wordsMonolayers air-water interface bidimensional mixtures polymethylmethacrylate fatty esters
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