Characterization of elastomer sliding behavior across silica and polydimethylsiloxane grafted surfaces

L.H. Genieser, C.P. Hendriks, F.P.T. Baaijens, H.E.H. Meijer

Research output: Contribution to journalArticleAcademicpeer-review

5 Citations (Scopus)
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Abstract

A novel combination of experimental techniques including a lateral force apparatus was developed for the purpose of characterizing the slip of polymer materials over hard surfaces. Quantitative shear stress data were obtained by sliding a crosslinked polydimethylsiloxane elastomer across smooth fat-tipped styli (mesas). A first set of mesas had a native silica (SiO) surface; a second set was functionalized with linear hydroxyl-terminated polydimethylsiloxane (PDMS-OH) polymers. The shear stress associated with sliding across the SiO mesas was as much as a factor of 10 greater than that for sliding across the PDMS-OR functionalized mesas. Possible mechanisms underlying this difference in behavior an discussed. (C) 2000 The Society of Rheology. [S0148-6055(00)01405-X]
Original languageEnglish
Pages (from-to)1003-1017
JournalJournal of Rheology
Volume44
Issue number5
DOIs
Publication statusPublished - 2000

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