Algorithm for preliminary evaluation of the correlation time of local dynamics in some polymeric materials |
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Authors: | Todica M Simon S Cosma C Cozar O Matei E |
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Affiliation: | Faculty of Physics, 'Babes-Bolyai' University, Kogalniceanu 1, 3400 Cluj-Napoca, Romania. |
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Abstract: | A method for preliminary evaluation of the correlation time of local dynamics of the polymeric chains, using the experimental nuclear magnetic resonance spin-lattice relaxation data, is proposed. The algorithm is based on the model of the passage of a particle over a potential energy barrier. This method was utilized for some molten polymers and concentrated polymeric solutions. |
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