Unperturbed chain dimensions of polyethylene in theta solvents
β Scribed by Nakajima, Akio ;Hamada, Fumiyuki ;Hayashi, Seiichi
- Publisher
- Wiley (John Wiley & Sons)
- Year
- 2007
- Weight
- 454 KB
- Volume
- 15
- Category
- Article
- ISSN
- 0449-2994
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π SIMILAR VOLUMES
Intrinsic viscosity measurements were carried out on dextran samples (of different molecular weights) in aqueous solutions at 25, 28, 31, 34, 37, 40, and 43Β°C. The extrapolation methods were used for the data; they gave unperturbed dimensions, K 0 , of the chain. The unperturbed root-mean-square end
Intrinsic viscosity measurements were carried out on polystyrene and polyvinylpyridine solutions in various solvents and solvent mixtures. The Stockmayer-Fixman extrapolation was applied to the date: it yields the unperturbed dimensions K s of the chain. A unique value of K e was found for a given p