Polyacrylonitrile (PAN) films were subjected to swelling in aqueous I2/KI solutions. The influence of some factors on the relation of equilibrium swelling degree vs the iodine concentration in water was found. In the first stage of swelling, a possibility of conformational changes of PAN chains was
β¦ LIBER β¦
Swelling of polyelectrolyte chains on change of solution concentration
β Scribed by V.P. Budtov; T.V. Budtova; S.Ya. Frenkel'
- Book ID
- 116049692
- Publisher
- Elsevier Science
- Year
- 1990
- Weight
- 419 KB
- Volume
- 32
- Category
- Article
- ISSN
- 0032-3950
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The neglect of chain flexibility in Manning's theory of polyelectrolytes is assessed. For a flexible polyelectrolyte-the uniformly charged wormlike chain-counterion condensation is unaffected but colligative properties need to be modified. The relevant dimensionless parameter is (KLT) 1 where K i is