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Title Swelling of Olympic gels
Date 19.06.2014
Number 43488
Abstract The swelling equilibrium of Olympic gels, which are composed of entangled cyclic polymers, is studied by Monte Carlo simulations. In contrast to chemically cross-linked polymer networks, we observe that Olympic gels made of chains with a larger degree of polymerization, N, exhibit a smaller equilibrium swelling degree, Q·N-0.28·-0.720, at the same polymer volume fraction ·0 at network preparation. This observation is explained by a desinterspersion (reorganization with release of nontrapped entanglements) process of overlapping nonconcatenated rings upon swelling.
Publisher Physical Review Letters
Identifier 0
Citation Physical Review Letters 112 (2014) 238001(5)
DOI http://dx.doi.org/10.1103/PhysRevLett.112.238001
Authors Lang, M. ; Fischer, J. ; Werner, M. ; Sommer, J.-U.
Tags polymer networks trapped entanglements ring polymers model conformations elasticity meshes

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