Friction of Gels. 3. Friction on Solid Surfaces

Jianping Gong; Yoshiyuki Iwasaki; Yoshihito Osada; Kazue Kurihara; Yasuhiro Hamai

doi:10.1021/jp9902553

Friction of Gels. 3. Friction on Solid Surfaces

Jianping Gong, Yoshiyuki Iwasaki, Yoshihito Osada, Kazue Kurihara, Yasuhiro Hamai

New Industry Creation Hatchery Center (NICHe)

Research output: Contribution to journal › Article › peer-review

121 Citations (Scopus)

Abstract

Frictions of several kinds of hydrogels, poly(vinyl alcohol) gel, gellan gel, poly(2-acrylamido-2-methylpropanesulfonic acid) gel, and its sodium salt gel, sliding on glass plates as well as on Teflon plates have been investigated both in air and in water. The frictional force and its dependencies on the load are quite different depending on the chemical structures of the gels, surface properties of the opposing substrates, and the measurement condition. The gel friction is explained in terms of interface interaction, either attractive or repulsive, between the polymer chain and the solid surface. Surface adhesion between glass particles and gels measured by atomic force microscopy showed a good correlation with the friction, which supports the polymer repulsion - adsorption model proposed by authors.

Original language	English
Pages (from-to)	6001-6006
Number of pages	6
Journal	Journal of Physical Chemistry B
Volume	103
Issue number	29
DOIs	https://doi.org/10.1021/jp9902553
Publication status	Published - 1999 Jul 22

ASJC Scopus subject areas

Physical and Theoretical Chemistry
Surfaces, Coatings and Films
Materials Chemistry

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AU - Gong, Jianping

AU - Iwasaki, Yoshiyuki

AU - Osada, Yoshihito

AU - Kurihara, Kazue

AU - Hamai, Yasuhiro

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