Bioinspired Bottlebrush Polymers for Aqueous Boundary Lubrication

An extremely efficient lubrication system is achieved in synovial joints by means of bio-lubricants and sophisticated nanostructured surfaces that work together. Molecular bottlebrush structures play crucial roles for this superior tribosystem. For example, lubricin is an important bio-lubricant, an...

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Main Authors: Xiaoyan Liu, Per M. Claesson
Format: Article
Language:English
Published: MDPI AG 2022-07-01
Series:Polymers
Subjects:
Online Access:https://www.mdpi.com/2073-4360/14/13/2724
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author Xiaoyan Liu
Per M. Claesson
author_facet Xiaoyan Liu
Per M. Claesson
author_sort Xiaoyan Liu
collection DOAJ
description An extremely efficient lubrication system is achieved in synovial joints by means of bio-lubricants and sophisticated nanostructured surfaces that work together. Molecular bottlebrush structures play crucial roles for this superior tribosystem. For example, lubricin is an important bio-lubricant, and aggrecan associated with hyaluronan is important for the mechanical response of cartilage. Inspired by nature, synthetic bottlebrush polymers have been developed and excellent aqueous boundary lubrication has been achieved. In this review, we summarize recent experimental investigations of the interfacial lubrication properties of surfaces coated with bottlebrush bio-lubricants and bioinspired bottlebrush polymers. We also discuss recent advances in understanding intermolecular synergy in aqueous lubrication including natural and synthetic polymers. Finally, opportunities and challenges in developing efficient aqueous boundary lubrication systems are outlined.
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spelling doaj.art-53965d45a8bc4bef9852b93e9f1e7bd02023-12-03T14:19:16ZengMDPI AGPolymers2073-43602022-07-011413272410.3390/polym14132724Bioinspired Bottlebrush Polymers for Aqueous Boundary LubricationXiaoyan Liu0Per M. Claesson1School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi’an 710062, ChinaDivision of Surface and Corrosion Science, Department of Chemistry, School of Engineering Sciences in Chemistry, Biotechnology and Health, KTH Royal Institute of Technology, SE-100 44 Stockholm, SwedenAn extremely efficient lubrication system is achieved in synovial joints by means of bio-lubricants and sophisticated nanostructured surfaces that work together. Molecular bottlebrush structures play crucial roles for this superior tribosystem. For example, lubricin is an important bio-lubricant, and aggrecan associated with hyaluronan is important for the mechanical response of cartilage. Inspired by nature, synthetic bottlebrush polymers have been developed and excellent aqueous boundary lubrication has been achieved. In this review, we summarize recent experimental investigations of the interfacial lubrication properties of surfaces coated with bottlebrush bio-lubricants and bioinspired bottlebrush polymers. We also discuss recent advances in understanding intermolecular synergy in aqueous lubrication including natural and synthetic polymers. Finally, opportunities and challenges in developing efficient aqueous boundary lubrication systems are outlined.https://www.mdpi.com/2073-4360/14/13/2724bioinspired bottlebrush polymersaqueous boundary lubricationfrictionwear resistance
spellingShingle Xiaoyan Liu
Per M. Claesson
Bioinspired Bottlebrush Polymers for Aqueous Boundary Lubrication
Polymers
bioinspired bottlebrush polymers
aqueous boundary lubrication
friction
wear resistance
title Bioinspired Bottlebrush Polymers for Aqueous Boundary Lubrication
title_full Bioinspired Bottlebrush Polymers for Aqueous Boundary Lubrication
title_fullStr Bioinspired Bottlebrush Polymers for Aqueous Boundary Lubrication
title_full_unstemmed Bioinspired Bottlebrush Polymers for Aqueous Boundary Lubrication
title_short Bioinspired Bottlebrush Polymers for Aqueous Boundary Lubrication
title_sort bioinspired bottlebrush polymers for aqueous boundary lubrication
topic bioinspired bottlebrush polymers
aqueous boundary lubrication
friction
wear resistance
url https://www.mdpi.com/2073-4360/14/13/2724
work_keys_str_mv AT xiaoyanliu bioinspiredbottlebrushpolymersforaqueousboundarylubrication
AT permclaesson bioinspiredbottlebrushpolymersforaqueousboundarylubrication