New use of size exclusion chromatography in kinetics of mechanical degradation of polymers in solution
โ Scribed by Mircea Florea
- Publisher
- John Wiley and Sons
- Year
- 1993
- Tongue
- English
- Weight
- 579 KB
- Volume
- 50
- Category
- Article
- ISSN
- 0021-8995
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๐ SIMILAR VOLUMES
The mechanical shear degradation of polydisperse polyisobutene and monodisperse polystyrene in oils of different viscosities in the concentration range of 0.1% to 1% was studied using a high-shear concentric cylinder viscometer under laminar and uniform well-defined shear field conditions. Molecular
Polymer degradation occurs when macromolecular chains are broken under the injluence of thermal, mechanical or chemical energy. Chain-end depolymerization and random-and midpoint-chain scission are mechanisms that have been observed in liquidphase polymer degradation. Here we develop mathematical mo