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Polymers 2018, 10(2), 164; https://doi.org/10.3390/polym10020164

Dynamics of a Complex Multilayer Polymer Network: Mechanical Relaxation and Energy Transfer

1
Faculty of Physics, Babes-Bolyai University, Street Mihail Kogalniceanu 1, 400084 Cluj-Napoca, Romania
2
Department of Physics, Federal University of Amazonas, 69077-000 Manaus, Brazil
*
Author to whom correspondence should be addressed.
Received: 25 November 2017 / Revised: 4 February 2018 / Accepted: 6 February 2018 / Published: 8 February 2018
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Abstract

In this paper, we focus on the mechanical relaxation of a multilayer polymer network built by connecting identical layers that have, as underlying topologies, the dual Sierpinski gasket and the regular dendrimer. Additionally, we analyze the dynamics of dipolar energy transfer over a system of chromophores arranged in the form of a multilayer network. Both dynamical processes are studied in the framework of the generalized Gaussian structure (GSS) model. We develop a method whereby the whole eigenvalue spectrum of the connectivity matrix of the multilayer network can be determined iteratively, thereby rendering possible the analysis of the dynamics of networks consisting of a large number of layers. This fact allows us to study in detail the crossover from layer-like behavior to chain-like behavior. Remarkably, we highlight the existence of two bulk-like behaviors. The theoretical findings with respect to the decomposition of the intermediate domain of the relaxation quantities, as well as the chain-like behavior, are well supported by experimental results. View Full-Text
Keywords: multilayer network; dynamics; rheological quantities; fluorescence depolarization; generalized Gaussian structures multilayer network; dynamics; rheological quantities; fluorescence depolarization; generalized Gaussian structures
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Jurjiu, A.; Turcu, F.; Galiceanu, M. Dynamics of a Complex Multilayer Polymer Network: Mechanical Relaxation and Energy Transfer. Polymers 2018, 10, 164.

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