Abstract
A previously derived general equation, correlating the intrinsic viscosity of a polymer with M ̄ a , M ̄ w and M ̄ z , is tested with experimental data. Its application for the calculation of average molecular weights is discussed. Good results have been obtained for the calculation of M ̄ z using experimental [η], M ̄ n , M ̄ w together with a and K values of the Mark-Houwink-Sakurada equation taken from the literature. On the other hand, the calculation of M ̄ a , M ̄ w and M ̄ z from experimental values of [η] in different solvents gives good results for M ̄ w , whereas M ̄ n , and particularly M ̄ z may be very inaccurate in some cases.
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