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A Methodology of Hydrodynamic Complexity in Topologically Hyper-Branched Polymers Undergoing Hierarchical Multiple Relaxations

Haibao Lu, Xiaodong Wang, Mokarram Hossain Orcid Logo, Yong Qing Fu

Macromolecular Chemistry and Physics, Volume: 221, Issue: 13, Start page: 2000052

Swansea University Author: Mokarram Hossain Orcid Logo

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DOI (Published version): 10.1002/macp.202000052

Abstract

A hydrodynamic model is proposed to describe conformational relaxation of molecules, viscoelasticity of arms, and hierarchical multiple‐shape memory effect (multi‐SME) of hyper‐branched polymer. Fox–Flory and Boltzmann’s principles are employed to characterize and predict the hierarchical relaxation...

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Published in: Macromolecular Chemistry and Physics
ISSN: 1022-1352
Published: Wiley 2020
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URI: https://cronfa.swan.ac.uk/Record/cronfa54466
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spelling 2020-07-22T13:11:06.5216416 v2 54466 2020-06-12 A Methodology of Hydrodynamic Complexity in Topologically Hyper-Branched Polymers Undergoing Hierarchical Multiple Relaxations 140f4aa5c5ec18ec173c8542a7fddafd 0000-0002-4616-1104 Mokarram Hossain Mokarram Hossain true false 2020-06-12 GENG A hydrodynamic model is proposed to describe conformational relaxation of molecules, viscoelasticity of arms, and hierarchical multiple‐shape memory effect (multi‐SME) of hyper‐branched polymer. Fox–Flory and Boltzmann’s principles are employed to characterize and predict the hierarchical relaxations and their multi‐SMEs in hyper‐branched polymers. A constitutive relationship among relaxation time, molecular weight, glass transition temperature, and viscoelastic modulus is then formulated. Results reveal that molecular weight and number of arms of the topologically hyper‐branched polymers significantly influence their hydrodynamic relaxations and shape memory behaviors. The effectiveness of model is demonstrated by applying it to predict mechanical and shape recovery behaviors of hyper‐branched polymers, and the theoretical results show good agreements with the experimental ones. This study is expected to provide an effective guidance on designing multi‐SME in topologically hyper‐branched polymers. Journal Article Macromolecular Chemistry and Physics 221 13 2000052 Wiley 1022-1352 23 6 2020 2020-06-23 10.1002/macp.202000052 COLLEGE NANME General Engineering COLLEGE CODE GENG Swansea University 2020-07-22T13:11:06.5216416 2020-06-12T13:52:51.4102268 Haibao Lu 1 Xiaodong Wang 2 Mokarram Hossain 0000-0002-4616-1104 3 Yong Qing Fu 4 54466__17487__588fbe2926d84a93864bede50e990260.pdf 54466.pdf 2020-06-12T13:55:28.3378974 Output 1549794 application/pdf Accepted Manuscript true 2021-06-11T00:00:00.0000000 false
title A Methodology of Hydrodynamic Complexity in Topologically Hyper-Branched Polymers Undergoing Hierarchical Multiple Relaxations
spellingShingle A Methodology of Hydrodynamic Complexity in Topologically Hyper-Branched Polymers Undergoing Hierarchical Multiple Relaxations
Mokarram Hossain
title_short A Methodology of Hydrodynamic Complexity in Topologically Hyper-Branched Polymers Undergoing Hierarchical Multiple Relaxations
title_full A Methodology of Hydrodynamic Complexity in Topologically Hyper-Branched Polymers Undergoing Hierarchical Multiple Relaxations
title_fullStr A Methodology of Hydrodynamic Complexity in Topologically Hyper-Branched Polymers Undergoing Hierarchical Multiple Relaxations
title_full_unstemmed A Methodology of Hydrodynamic Complexity in Topologically Hyper-Branched Polymers Undergoing Hierarchical Multiple Relaxations
title_sort A Methodology of Hydrodynamic Complexity in Topologically Hyper-Branched Polymers Undergoing Hierarchical Multiple Relaxations
author_id_str_mv 140f4aa5c5ec18ec173c8542a7fddafd
author_id_fullname_str_mv 140f4aa5c5ec18ec173c8542a7fddafd_***_Mokarram Hossain
author Mokarram Hossain
author2 Haibao Lu
Xiaodong Wang
Mokarram Hossain
Yong Qing Fu
format Journal article
container_title Macromolecular Chemistry and Physics
container_volume 221
container_issue 13
container_start_page 2000052
publishDate 2020
institution Swansea University
issn 1022-1352
doi_str_mv 10.1002/macp.202000052
publisher Wiley
document_store_str 1
active_str 0
description A hydrodynamic model is proposed to describe conformational relaxation of molecules, viscoelasticity of arms, and hierarchical multiple‐shape memory effect (multi‐SME) of hyper‐branched polymer. Fox–Flory and Boltzmann’s principles are employed to characterize and predict the hierarchical relaxations and their multi‐SMEs in hyper‐branched polymers. A constitutive relationship among relaxation time, molecular weight, glass transition temperature, and viscoelastic modulus is then formulated. Results reveal that molecular weight and number of arms of the topologically hyper‐branched polymers significantly influence their hydrodynamic relaxations and shape memory behaviors. The effectiveness of model is demonstrated by applying it to predict mechanical and shape recovery behaviors of hyper‐branched polymers, and the theoretical results show good agreements with the experimental ones. This study is expected to provide an effective guidance on designing multi‐SME in topologically hyper‐branched polymers.
published_date 2020-06-23T04:08:01Z
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score 11.012678

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