極性高分子の平均2乗双極子能率

抄録

A polar chain polymer of the (-CH₂-CHR-)_N type in non-polar solvents is considered. The excluded volume effect was taken into account and the average square of dipole moment ‹μ²› was expanded in terms of parameter X which included the interaction potential between CH₂ and CHR(or CH₂).
If we admit that the dipole moment of monomer can be divided into the direction of C-C bond and that the distribution of the divided moment vector μ_i is Gaussian, we obtain the following result for ‹μ²›:
‹μ²›=3/4Nμ²₀[1+13(3/2πb²)^3/2X+0.349(3/2πb²)³√NX²+…], where N is the degree of polymerization, μ₀ is the magnitude of the dipole moment of monomer and b is the length of C-C bond.