Abstract

AbstractThe amount of octadecyl fumarate‐vinyl acetate (C18FVA) copolymer which co‐crystallised with dotriacontane from dodecane solution was measured by infrared and electron spin resonance (ESR) spectroscopy. It was found that the magnitude of the slow‐motion component in the composite ESR spectra of the system below its cloud point did not accurately reflect the amount of polymer which had co‐crystallised with the dotriacontane. ESR studies of isolated samples of the co‐crystallate showed the C18FVA to be less tightly bound than in the bulk polymer, suggesting that the polymer molecules are adsorbed on to the surface of the dotriacontane crystals.

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