Relaxation time spectrum molecular weight distribution relationships
Single exponential decay exp(-t/tau) relationships, which define the molecular weight distribution (MWD) of a polymer as a function of the polymer-s relaxation time spectrum (RTS), have been derived by Wu (Polym Eng Sci 28:538-543, 1988 and Thimm et al. (J Rheol 43:1663 - 1672, Ref Citation1999). Experimental validation studies with monodisperse polymers, with quite precisely known MWDs, have been used to test their reliability. It has been established that neither formula is always able to...[Show more]
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