On the validity of the Mark-Houwink relationship at very high molecular weights
β Scribed by P. J. Barham; A. Keller
- Publisher
- Springer
- Year
- 1989
- Weight
- 490 KB
- Volume
- 267
- Category
- Article
- ISSN
- 0340-255X
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## Abstract A new method has been proposed for estimating the parameters __K__~__m__~ and __a__ in the MarkβHouwink equation [Ξ·] = __K__~__m__~MΜ~__v__~^__a__^ from the measurements of molecular weight and second virial coefficient for a single polymer sample. Although the treatment has been based
Al~tract--An empirical equation relating the intrinsic viscosity of a polymer and its number-, weight-and z-average molecular weights has been used to evaluate the K and a constants of the Mark-Houwink-Sakurada relationship, in cases where data either from monodisperse samples or from samples with k