Collect. Czech. Chem. Commun. 1983, 48, 2914-2923
https://doi.org/10.1135/cccc19832914

The characteristic ratio of butadiene-styrene and butadiene-acrylonitrile copolymers

Miloslav Bohdanecký and Vladimír Petrus

Institute of Macromolecular Chemistry, Czechoslovak Academy of Sciences, 162 06 Prague 6

Abstract

A method advanced recently is used to estimate the characteristic ratio C for statistical butadiene-styrene and butadiene-acrylonitrile copolymers from the reported data of the limiting viscosity number and sedimentation coefficient. The results are compared with those of the traditional methods. The dependences of C on the copolymer composition are discussed and interpreted in terms of steric and/or dipole-dipole interactions of adjacent monomeric units.