Melt viscosity of linear and branched poly(butyleneisophthalate)
β Scribed by A. Munari; F. Pilati; G. Pezzin
- Publisher
- Springer-Verlag
- Year
- 1988
- Tongue
- English
- Weight
- 431 KB
- Volume
- 27
- Category
- Article
- ISSN
- 0035-4511
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π SIMILAR VOLUMES
The melt viscosity (,Ta) is calculated for polydisperse branched polymers by two methods: (1) by extending Graessley's theory of melt flow of polydisperse linear chains to include the effects of branching, and (2) by empirical deduction leading to the relation (~TB;'/('/L)= [(Ss:)w/ (SL2)~,] w2 for
## Abstract Linear and branched samples of potassium dextran sulfate have been prepared without significant degradation from samples of linear and branched dextran having similar intrinsic viscosities. The dilute solution viscosity behavior of these polyelectrolytes has been studied with particular