This paper describes the onset of the influence of entanglement effects on the mobility of polymer chains in a polydisperse melt. Extending a scaling relation between the critical molecular mass of homodisperse melts and segment number density yields in the case of polydisperse melts a functional equation for the critical chain length. The case of the normal distribution will be solved and discussed.
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Heinrich, G., Straube, E. The onset of tube-like constraining effects in polydisperse polymer melts. Polymer Bulletin 18, 53–57 (1987). https://doi.org/10.1007/BF00255822
- Normal Distribution
- Molecular Mass
- Chain Length
- Polymer Chain