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Hokkaido University Collection of Scholarly and Academic Papers >
Graduate School of Science / Faculty of Science >
Peer-reviewed Journal Articles, etc >
Surface sliding friction of negatively charged polyelectrolyte gels.
| Title: | Surface sliding friction of negatively charged polyelectrolyte gels. |
| Authors: | Kagata, Go Browse this author | | Gong, Jian Ping Browse this author →KAKEN DB |
| Keywords: | Polyelectrolyte gel | | Friction | | Hydrodynamic lubrication | | Interface interaction | | Electric double layer |
| Issue Date: | 15-Apr-2007 |
| Publisher: | Elsevier |
| Journal Title: | Colloids and Surfaces B Biointerfaces |
| Volume: | 56 |
| Issue: | 1-2 |
| Start Page: | 296 |
| End Page: | 302 |
| Publisher DOI: | 10.1016/j.colsurfb.2006.10.034 |
| PMID: | 17137762 |
| Abstract: | The friction between two polyelectrolyte gels carrying the same or opposite sign of charges has been investigated using a rheometer. It is found that the friction was strongly dependent on the interfacial interaction between two gel surfaces. In the repulsive interaction case, especially, the friction was extremely low. The friction behavior is attempted to be described in terms of the hydrodynamic lubrication of the solvent layer between two like-charged gel surfaces, which is formed due to the electrostatic repulsion of the two gel surfaces. From the theoretical analysis (hydrodynamic mechanism), the friction behaviors were explained qualitatively, all of the experimental results, nevertheless, could not be understood well. The viscoelastic feature of the gel and the non-Newtonian behavior of water at the friction interface are considered to be important to elucidate the gel friction. |
| Relation: | http://www.sciencedirect.com/science/journal/09277765 |
| Type: | article (author version) |
| URI: | http://hdl.handle.net/2115/26272 |
| Appears in Collections: | 理学院・理学研究院 (Graduate School of Science / Faculty of Science) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)
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Submitter: 龔 剣萍 (Gong Jian Ping)
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