Durability and Self-healing Effects of Hydrogel Coatings with respect to Contact Condition

Abstract The self-healing property of a hydrogel applied to a glass substrate as a thin polymer coating was assessed. The motivation was to develop a durable hydrogel coating that may be used to protect the surface of precision components from surface damage and scratches. The intrinsic swelling beh...

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Autores principales: Chang-Lae Kim, Dae-Eun Kim
Formato: article
Lenguaje:EN
Publicado: Nature Portfolio 2017
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Acceso en línea:https://doaj.org/article/e4c6b460b9834a44a20728caf0c59743
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spelling oai:doaj.org-article:e4c6b460b9834a44a20728caf0c597432021-12-02T12:32:15ZDurability and Self-healing Effects of Hydrogel Coatings with respect to Contact Condition10.1038/s41598-017-07106-x2045-2322https://doaj.org/article/e4c6b460b9834a44a20728caf0c597432017-07-01T00:00:00Zhttps://doi.org/10.1038/s41598-017-07106-xhttps://doaj.org/toc/2045-2322Abstract The self-healing property of a hydrogel applied to a glass substrate as a thin polymer coating was assessed. The motivation was to develop a durable hydrogel coating that may be used to protect the surface of precision components from surface damage and scratches. The intrinsic swelling behavior of hydrogel fibers when they are exposed to moisture was exploited to attain the self-healing effect. The mechanical and self-healing properties of the dehydrated hydrogel coating by the freeze-drying process and the hydrated hydrogel coating that was reconstituted by the addition of water were analyzed. After conducting sliding tests with different loads and sliding distances, the wear area was hydrated with water to successfully induce self-healing of the hydrogel coating. It was also found that both the dehydrated hydrogel coating and the hydrated hydrogel coating had improved friction characteristics. In particular, the hydrated hydrogel coating had a much higher durability than the dehydrated coating.Chang-Lae KimDae-Eun KimNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 7, Iss 1, Pp 1-11 (2017)
institution DOAJ
collection DOAJ
language EN
topic Medicine
R
Science
Q
spellingShingle Medicine
R
Science
Q
Chang-Lae Kim
Dae-Eun Kim
Durability and Self-healing Effects of Hydrogel Coatings with respect to Contact Condition
description Abstract The self-healing property of a hydrogel applied to a glass substrate as a thin polymer coating was assessed. The motivation was to develop a durable hydrogel coating that may be used to protect the surface of precision components from surface damage and scratches. The intrinsic swelling behavior of hydrogel fibers when they are exposed to moisture was exploited to attain the self-healing effect. The mechanical and self-healing properties of the dehydrated hydrogel coating by the freeze-drying process and the hydrated hydrogel coating that was reconstituted by the addition of water were analyzed. After conducting sliding tests with different loads and sliding distances, the wear area was hydrated with water to successfully induce self-healing of the hydrogel coating. It was also found that both the dehydrated hydrogel coating and the hydrated hydrogel coating had improved friction characteristics. In particular, the hydrated hydrogel coating had a much higher durability than the dehydrated coating.
format article
author Chang-Lae Kim
Dae-Eun Kim
author_facet Chang-Lae Kim
Dae-Eun Kim
author_sort Chang-Lae Kim
title Durability and Self-healing Effects of Hydrogel Coatings with respect to Contact Condition
title_short Durability and Self-healing Effects of Hydrogel Coatings with respect to Contact Condition
title_full Durability and Self-healing Effects of Hydrogel Coatings with respect to Contact Condition
title_fullStr Durability and Self-healing Effects of Hydrogel Coatings with respect to Contact Condition
title_full_unstemmed Durability and Self-healing Effects of Hydrogel Coatings with respect to Contact Condition
title_sort durability and self-healing effects of hydrogel coatings with respect to contact condition
publisher Nature Portfolio
publishDate 2017
url https://doaj.org/article/e4c6b460b9834a44a20728caf0c59743
work_keys_str_mv AT changlaekim durabilityandselfhealingeffectsofhydrogelcoatingswithrespecttocontactcondition
AT daeeunkim durabilityandselfhealingeffectsofhydrogelcoatingswithrespecttocontactcondition
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