The determination of the average molar masses of conducting polymers is an important
Chapter 19, Problem 19.35(choose chapter or problem)
The determination of the average molar masses of conducting polymers is an important part of their characterization. S. Holdcroft ( J. Polym. Sci., Polym. Phys. 29, 1585 (1991)) has determined the molar mases and MarkHouwink constants for the electronically conducting polymer, poly(3-hexylthiophene) (P3HT) in tetrahydrofuran (THF) at 25C by methods similar to those used for nonconducting polymers. The values for molar mass and intrinsic viscosity in the table below are adapted from their data. Determine the constants in the MarkKuhnHouwinkSakurada equation from these results and compare to the values obtained in your solution to 19.7 . Jv /(kg mol1) 3.8 11.1 15.3 58.8 []/(cm3 g1) 6.23 17.44 23.73 85.28
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