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Interfacial properties of bottle-brush polyelectrolytes
KTH, School of Chemical Science and Engineering (CHE), Chemistry, Surface Chemistry (closed 20081231).
KTH, School of Chemical Science and Engineering (CHE), Chemistry, Surface Chemistry (closed 20081231).ORCID iD: 0000-0002-5444-7276
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2007 (English)In: PROCEEDINGS OF BALTIC POLYMER SYMPOSIUM 2007 / [ed] Makuska, R., Vilnius: VILNIUS UNIV. , 2007, 77-81 p.Conference paper (Refereed)
Abstract [en]

This article is focused on interfacial properties of bottle brush polyelectrolytes, where side-chains are attached along a polymer backbone. This class of polymer has been much less studied than block copolymers, which is particularly true for bottle brush polyelectrolytes with a high graft density. We have explored how the graft density and charge density of such polymers affect surface properties, as well as some bulk properties. The adsorption of this class of polymer onto negatively charged silica and mica surfaces has been determined. On mica adsorption is driven by electrostatic forces whereas on silica both electrostatic forces and interactions between silica and ethylene oxide chains drive the adsorption. On silica the adsorbed amount is very sensitive to solution ionic strength and pH. We also report on surface interactions and frictional forces obtained between surfaces coated with bottle brush polyelectrolytes.

Place, publisher, year, edition, pages
Vilnius: VILNIUS UNIV. , 2007. 77-81 p.
Keyword [en]
bottle brush polymer, adsorption, surface forces, friction
National Category
Polymer Chemistry
URN: urn:nbn:se:kth:diva-17227ISI: 000254279500014ISBN: 978-9955-33-150-6OAI: diva2:335270
7th Baltic Polymer Symposium, Druskininkai, LITHUANIA

QC 20100525

Available from: 2010-08-05 Created: 2010-08-05 Last updated: 2016-05-18Bibliographically approved

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Claesson, Per M.Pettersson, Torbjörn
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Surface Chemistry (closed 20081231)
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