Non-Euclidean geometry model for chemo-mechanical coupling in self-assembled polymers towards dynamic elasticity

Self-assembly plays a fundamental role to determine thermodynamic properties of polymer systems, e.g., resulting in the formation of dynamically cross-linked networks with varied elasticity. However, the working principle of chemo-mechanical coupling between the self-assembly and elasticity of polym...

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Main Authors: Xing, Ziyu, Lu, Haibao, Shu, Dong Wei, Fu, Yong-Qing
Other Authors: School of Mechanical and Aerospace Engineering
Format: Article
Language:English
Published: 2023
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Online Access:https://hdl.handle.net/10356/164119
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Institution: Nanyang Technological University
Language: English
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spelling sg-ntu-dr.10356-1641192023-01-05T04:27:27Z Non-Euclidean geometry model for chemo-mechanical coupling in self-assembled polymers towards dynamic elasticity Xing, Ziyu Lu, Haibao Shu, Dong Wei Fu, Yong-Qing School of Mechanical and Aerospace Engineering Science::Chemistry Hydrogel Self-Assembled Self-assembly plays a fundamental role to determine thermodynamic properties of polymer systems, e.g., resulting in the formation of dynamically cross-linked networks with varied elasticity. However, the working principle of chemo-mechanical coupling between the self-assembly and elasticity of polymers is complex and has not been well understood. In this study, a non-Euclidean geometry model incorporating thermodynamics of microphase separation is proposed to understand the chemo-mechanical coupling in self-assembled triblock polymers. The thermodynamic separation of microphases, which is resulted from the self-assembly of polymeric molecules, is formulated using a non-Euclidean geometry equation, of which the geometrical parameters are applied to characterize the topologies of self-assembled and cross-linked networks. The non-Euclidean geometry model is further employed to describe chemo-mechanical coupling between the self-assembled network and dynamic elasticity of the triblock polymers, based on the rubber elasticity theory. Effectiveness of the proposed model is verified using both finite-element analysis and experimental results reported in literature. This study provides a new geometrical approach to understand the mechanochemistry and thermodynamics of self-assembled block polymers. This work is supported by National Natural Science Foundation of China (NSFC) under Grant No. 11725208 and 12172107, and the Newton Mobility Grant (IE161019) through the UK Royal Society and NFSC. 2023-01-05T04:27:27Z 2023-01-05T04:27:27Z 2022 Journal Article Xing, Z., Lu, H., Shu, D. W. & Fu, Y. (2022). Non-Euclidean geometry model for chemo-mechanical coupling in self-assembled polymers towards dynamic elasticity. Polymer, 254, 125094-. https://dx.doi.org/10.1016/j.polymer.2022.125094 0032-3861 https://hdl.handle.net/10356/164119 10.1016/j.polymer.2022.125094 2-s2.0-85132857753 254 125094 en Polymer © 2022 Elsevier Ltd. All rights reserved.
institution Nanyang Technological University
building NTU Library
continent Asia
country Singapore
Singapore
content_provider NTU Library
collection DR-NTU
language English
topic Science::Chemistry
Hydrogel
Self-Assembled
spellingShingle Science::Chemistry
Hydrogel
Self-Assembled
Xing, Ziyu
Lu, Haibao
Shu, Dong Wei
Fu, Yong-Qing
Non-Euclidean geometry model for chemo-mechanical coupling in self-assembled polymers towards dynamic elasticity
description Self-assembly plays a fundamental role to determine thermodynamic properties of polymer systems, e.g., resulting in the formation of dynamically cross-linked networks with varied elasticity. However, the working principle of chemo-mechanical coupling between the self-assembly and elasticity of polymers is complex and has not been well understood. In this study, a non-Euclidean geometry model incorporating thermodynamics of microphase separation is proposed to understand the chemo-mechanical coupling in self-assembled triblock polymers. The thermodynamic separation of microphases, which is resulted from the self-assembly of polymeric molecules, is formulated using a non-Euclidean geometry equation, of which the geometrical parameters are applied to characterize the topologies of self-assembled and cross-linked networks. The non-Euclidean geometry model is further employed to describe chemo-mechanical coupling between the self-assembled network and dynamic elasticity of the triblock polymers, based on the rubber elasticity theory. Effectiveness of the proposed model is verified using both finite-element analysis and experimental results reported in literature. This study provides a new geometrical approach to understand the mechanochemistry and thermodynamics of self-assembled block polymers.
author2 School of Mechanical and Aerospace Engineering
author_facet School of Mechanical and Aerospace Engineering
Xing, Ziyu
Lu, Haibao
Shu, Dong Wei
Fu, Yong-Qing
format Article
author Xing, Ziyu
Lu, Haibao
Shu, Dong Wei
Fu, Yong-Qing
author_sort Xing, Ziyu
title Non-Euclidean geometry model for chemo-mechanical coupling in self-assembled polymers towards dynamic elasticity
title_short Non-Euclidean geometry model for chemo-mechanical coupling in self-assembled polymers towards dynamic elasticity
title_full Non-Euclidean geometry model for chemo-mechanical coupling in self-assembled polymers towards dynamic elasticity
title_fullStr Non-Euclidean geometry model for chemo-mechanical coupling in self-assembled polymers towards dynamic elasticity
title_full_unstemmed Non-Euclidean geometry model for chemo-mechanical coupling in self-assembled polymers towards dynamic elasticity
title_sort non-euclidean geometry model for chemo-mechanical coupling in self-assembled polymers towards dynamic elasticity
publishDate 2023
url https://hdl.handle.net/10356/164119
_version_ 1754611285890170880