Abstract
The order parameter of each bond of the polymethylene chain (degree of polymerization 61) and the orientations of the corresponding directors are calculated by the Monte Carlo method as a function of the thermodynamic quality of the solvent in a molecular-immobile coordinate system, with the origin at the centre of mass and the axes directed along the main inertia axes of each conformation. In the model used it is assumed that the chain conformation spectrum is continuous, and the mutual dependence and retardation of the internal rotations and excluded volume are allowed for. The changes in these characteristics for each bond during gradual change in the conditions, from an athermal solution to a precipitant takes place in two stages.
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