Degradation of a polymer solution in transient elongational flow: effect of temperature
β Scribed by T. Q. Nguyen; H. H. Kausch
- Publisher
- Springer
- Year
- 1986
- Weight
- 709 KB
- Volume
- 264
- Category
- Article
- ISSN
- 0340-255X
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π SIMILAR VOLUMES
The kinetics of ultrasonic degradation has been investigated for dilute polystyrene solutions in decalin. The increase in the scission rate constant (K) with initial molecular chain length was systematically investigated over 2 decades of molecular weight by using narrow polymer fractions with M = 5
Transient elongational flow, created by forcing a polymer solution across a narrow contraction, is characterized by a high strain rate of limited duration. Due to an inherent short residence time, this type of flow generally is considered as being less efficient in extending isolated flexible molecu