1976•Annales de PhysiqueRequires access

Experimental Determinations of the Excluded-Volume Exponent in Different Environments

J. P. Cotton, D. Decker, Bernard Farnoux, G. Jannink, R. Ober, C. Picot

Abstract

The excluded-volume exponent ν is determined from a neutron scattering experiment by polystyrene chains, in the “intermediate” momentum-transfer range. The chains were successively dispersed in a good solvent, in a ϴ solvent, and in the bulk material. The new result is the value of ν for the bulk material, which is discussed below.

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Key concepts: Exponent, Physics, Excluded volume, Volume (thermodynamics), Solvent, Range (aeronautics), Polystyrene, Neutron scattering