Molecular Dynamics Simulation and Theoretical Model of Elasticity in Slide-Ring Gels
In this study, molecular dynamics (MD) simulations were carried out on the uniaxial deformation of slide-ring (SR) networks with slidable cross-links to understand the relationship between the sliding of the cross-linking points and the Young’s moduli of SR gels, which are lower than those of covale...
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Published in | ACS macro letters Vol. 9; no. 9; pp. 1280 - 1285 |
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Main Authors | , , , , , , |
Format | Journal Article |
Language | English |
Published |
United States
American Chemical Society
15.09.2020
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Online Access | Get full text |
ISSN | 2161-1653 2161-1653 |
DOI | 10.1021/acsmacrolett.0c00194 |
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Abstract | In this study, molecular dynamics (MD) simulations were carried out on the uniaxial deformation of slide-ring (SR) networks with slidable cross-links to understand the relationship between the sliding of the cross-linking points and the Young’s moduli of SR gels, which are lower than those of covalently cross-linked gels with the same cross-linking densities. The slidability of the cross-links in SR gels was characterized by the rate of change of the segment number between the cross-links, N slide, estimated by the MD simulation. We have successfully constructed a molecular model for the elasticity of SR gels and proposed a simple equation for the Young’s moduli of SR gels as a function of N slide. The theoretical model was compared with the MD simulation results and experimental data. |
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AbstractList | In this study, molecular dynamics (MD) simulations were carried out on the uniaxial deformation of slide-ring (SR) networks with slidable cross-links to understand the relationship between the sliding of the cross-linking points and the Young's moduli of SR gels, which are lower than those of covalently cross-linked gels with the same cross-linking densities. The slidability of the cross-links in SR gels was characterized by the rate of change of the segment number between the cross-links,
, estimated by the MD simulation. We have successfully constructed a molecular model for the elasticity of SR gels and proposed a simple equation for the Young's moduli of SR gels as a function of
. The theoretical model was compared with the MD simulation results and experimental data. In this study, molecular dynamics (MD) simulations were carried out on the uniaxial deformation of slide-ring (SR) networks with slidable cross-links to understand the relationship between the sliding of the cross-linking points and the Young's moduli of SR gels, which are lower than those of covalently cross-linked gels with the same cross-linking densities. The slidability of the cross-links in SR gels was characterized by the rate of change of the segment number between the cross-links, Nslide, estimated by the MD simulation. We have successfully constructed a molecular model for the elasticity of SR gels and proposed a simple equation for the Young's moduli of SR gels as a function of Nslide. The theoretical model was compared with the MD simulation results and experimental data.In this study, molecular dynamics (MD) simulations were carried out on the uniaxial deformation of slide-ring (SR) networks with slidable cross-links to understand the relationship between the sliding of the cross-linking points and the Young's moduli of SR gels, which are lower than those of covalently cross-linked gels with the same cross-linking densities. The slidability of the cross-links in SR gels was characterized by the rate of change of the segment number between the cross-links, Nslide, estimated by the MD simulation. We have successfully constructed a molecular model for the elasticity of SR gels and proposed a simple equation for the Young's moduli of SR gels as a function of Nslide. The theoretical model was compared with the MD simulation results and experimental data. In this study, molecular dynamics (MD) simulations were carried out on the uniaxial deformation of slide-ring (SR) networks with slidable cross-links to understand the relationship between the sliding of the cross-linking points and the Young’s moduli of SR gels, which are lower than those of covalently cross-linked gels with the same cross-linking densities. The slidability of the cross-links in SR gels was characterized by the rate of change of the segment number between the cross-links, N slide, estimated by the MD simulation. We have successfully constructed a molecular model for the elasticity of SR gels and proposed a simple equation for the Young’s moduli of SR gels as a function of N slide. The theoretical model was compared with the MD simulation results and experimental data. |
Author | Yasuda, Yusuke Masumoto, Takeyoshi Yokoyama, Hideaki Morita, Hiroshi Ito, Kohzo Mayumi, Koichi Toda, Masatoshi |
AuthorAffiliation | Department of Applied Chemistry, Graduate School of Engineering Material Innovation Research Center (MIRC) and Department of Advanced Materials Science, Graduate School of Frontier Sciences National Institute of Advanced Industrial Science and Technology (AIST) The University of Tokyo AIST-UTokyo Advanced Operando-Measurement Technology Open Innovation Laboratory (OPERANDO-OIL) |
AuthorAffiliation_xml | – name: AIST-UTokyo Advanced Operando-Measurement Technology Open Innovation Laboratory (OPERANDO-OIL) – name: National Institute of Advanced Industrial Science and Technology (AIST) – name: The University of Tokyo – name: Department of Applied Chemistry, Graduate School of Engineering – name: Material Innovation Research Center (MIRC) and Department of Advanced Materials Science, Graduate School of Frontier Sciences |
Author_xml | – sequence: 1 givenname: Yusuke orcidid: 0000-0002-2870-8524 surname: Yasuda fullname: Yasuda, Yusuke organization: Material Innovation Research Center (MIRC) and Department of Advanced Materials Science, Graduate School of Frontier Sciences – sequence: 2 givenname: Takeyoshi surname: Masumoto fullname: Masumoto, Takeyoshi organization: The University of Tokyo – sequence: 3 givenname: Koichi orcidid: 0000-0002-1976-3791 surname: Mayumi fullname: Mayumi, Koichi email: kmayumi@molle.k.u-tokyo.ac.jp organization: The University of Tokyo – sequence: 4 givenname: Masatoshi surname: Toda fullname: Toda, Masatoshi organization: National Institute of Advanced Industrial Science and Technology (AIST) – sequence: 5 givenname: Hideaki orcidid: 0000-0002-0446-7412 surname: Yokoyama fullname: Yokoyama, Hideaki organization: The University of Tokyo – sequence: 6 givenname: Hiroshi surname: Morita fullname: Morita, Hiroshi email: h.morita@aist.go.jp organization: National Institute of Advanced Industrial Science and Technology (AIST) – sequence: 7 givenname: Kohzo surname: Ito fullname: Ito, Kohzo email: kohzo@edu.k.u-tokyo.ac.jp organization: The University of Tokyo |
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Title | Molecular Dynamics Simulation and Theoretical Model of Elasticity in Slide-Ring Gels |
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