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Self-diffusion of polystyrene in solution 1. Experimental results of the NMR pulsed field gradient technique
Authors
Fleischer G.
Maklakov A.
Skirda V.
Zgadzai O.
Publication date
1 January 1988
Publisher
Abstract
We report self-diffusion measurements for polystyrene dissolved in benzene and chloroform using the NMR pulsed field gradient technique. The observed echo attenuations point to dynamic exchange processes or cluster formation in the semidilute solution. The experimental results are compared with theoretical predictions from the reptation mechanism and the 'blob' theory. There is qualitative agreement, but a more comprehensive analysis of the data and results from experiments with polymer mixtures show that polymer self diffusion in semidilute solutions cannot be explained by the reptation mechanism in its simple form. © 1988 Steinkopff
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Kazan Federal University Digital Repository
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oai:dspace.kpfu.ru:net/101628
Last time updated on 07/05/2019
Kazan Federal University Digital Repository
See this paper in CORE
Go to the repository landing page
Download from data provider
oai:dspace.kpfu.ru:net/132245
Last time updated on 07/05/2019