Friction of zwitterionic hydrogel by dynamic polymer adsorption

Ahmed, Jamil; Yamamoto, Tetsurou; Guo, Honglei; Kurokawa, Takayuki; Nonoyama, Takayuki; Nakajima, Tasuku; Gong, Jian Ping

Friction of zwitterionic hydrogel by dynamic polymer adsorption

Ahmed, Jamil; Yamamoto, Tetsurou; Guo, Honglei et al.

Macromolecules, 2015, 48(15), 5394-5401

Permalink : https://hdl.handle.net/2115/62481

このアイテムのアクセス数:1,242件（2026-08-09 11:31 集計）

閲覧可能ファイル

ファイル	フォーマット	サイズ	閲覧回数	説明
Manuscript file	pdf	7.26 MB	1,202
Supporting Information	pdf	1.57 MB	519

論文情報

ファイル出力 EndNote Basic出力 Mendeley出力

アクセス権	open access
URI	https://hdl.handle.net/2115/62481
タイトル	Friction of zwitterionic hydrogel by dynamic polymer adsorption
著者	Ahmed, Jamil ; Yamamoto, Tetsurou ; Guo, Honglei ; Kurokawa, Takayuki ; Nonoyama, Takayuki ; Nakajima, Tasuku ; Gong, Jian Ping
著者名 Ahmed, Jamil
著者名 Yamamoto, Tetsurou
著者名 Guo, Honglei
著者名 Kurokawa, Takayuki
著者名 Nonoyama, Takayuki
著者名 Nakajima, Tasuku
e-Rad_Researcher 20250417 著者名 Gong, Jian Ping
言語	英語
キーワード	Friction
	Lubrication
	Zwitterion
	Hydrogel
	Electrostatic interaction
	Anti-biofouling
	Polymer adsorption
	Adsorption time
	Elastic energy
発行日	2015-08-11
収録物名	Macromolecules
巻(号)	48(15)
ページ	5394-5401
抄録	A simplified model describing the sliding friction of hydrogel on solid surface by dynamic adsorption of the polymer chains is proposed on the basis of polymer adsorption-repulsion theory. This dynamic adsorption model is used to analyze the friction results of zwitterionic hydrogels sliding over glass substrates with different substrate wettability, hydrogel swelling degree, ionic strength, and pH of bath solution. The adsorption time tau(b) of polymer strands is found to decrease with the increase in sliding velocity or the Weissenberg number as a result of stretching. The adsorption time tau(0)(b), and the adsorption energy U-ads at stress-free condition, which are characteristic for each friction system, are also estimated. Roughly, a master curve is observed for the normalized adsorption lifetime tau(b)/tau(0)(b) and the Weissenberg number, with less dependence on the adsorption energy and the bulk properties of the gels in the observed experimental conditions. Thus, the dynamic adsorption model successfully correlates the frictional behavior of hydrogels with the adsorption dynamics of polymer strands, which gives insight into the molecular design of hydrogels with predefined frictional properties for biomedical applications.
資源タイプ	学術雑誌論文
出版タイプ	Accepted Manuscript
権利情報	This document is the Accepted Manuscript version of a Published Work that appeared in final form in Macromolecules, copyright © American Chemical Society after peer review and technical editing by the publisher. To access the final edited and published work see http://pubs.acs.org/doi/abs/10.1021/acs.macromol.5b00602.
PISSN	0024-9297
EISSN	1520-5835
関連情報 (isVersionOf)	出版社版DOI https://doi.org/10.1021/acs.macromol.5b00602