Scaling theory is applied to derive expressions describing the influence of polymolecularity on the second virial coefficient, A , , as obtained from osmotic pressure and light scattering measurements. Numerical values of polymolecularity correction factors are calculated for Schulz-Zimm and logarit
Molecular interactions in polymer solutions— I. The influence of volume effects on the second virial coefficient
✍ Scribed by O.B. Ptitsyn; Yu.E. Eizner
- Book ID
- 118354927
- Publisher
- Elsevier Science
- Year
- 1960
- Weight
- 439 KB
- Volume
- 1
- Category
- Article
- ISSN
- 0032-3950
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## Abstract It is shown that the recently developed scaling theory for the second virial coefficient, __A__~2~, of dilute solutions of polymers with non‐uniform molecular weight distributions in a good solvent is able to explain in principle all seemingly contradictory observations reported in the
The segment-cloud model for polymer moIecuIes has been used, and the second virial coefficient AZ obtained as a function of the interaction parameter = for linear and branched chains having different values of 11. It is observed that the chain length effect, though much smakr than in the perturbatio