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dc.contributor.authorWatson, GS
dc.contributor.authorBlach, JA
dc.contributor.authorNicolau, DV
dc.contributor.authorPham, DK
dc.contributor.authorWright, J
dc.contributor.authorMyhra, S
dc.date.accessioned2017-05-03T11:27:07Z
dc.date.available2017-05-03T11:27:07Z
dc.date.issued2003
dc.identifier.issn0959-8103
dc.identifier.doi10.1002/pi.1113
dc.identifier.urihttp://hdl.handle.net/10072/6313
dc.description.abstractPoly-(tert-butyl methacrylate) (P(tBuMA)) thin-film surfaces were patterned by UV radiation at doses in the range 10-100 mJ cm-2, in order to induce laterally differentiated surface chemistry with 孠resolution. The most likely pathway for the radiation chemistry predicts a transition from hydrophobicity to hydrophilicity. Outcomes of analysis by atomic force microscopy under air ambient conditions were consistent with that prediction. Topographic and lateral force imaging, in combination with friction loop analysis, revealed shrinkage and increased friction arising from exposure. Force versus distance analysis revealed greater adhesion in hydrophilic regions, due to greater meniscus force acting on the tip. The thickness of adsorbed moisture, increased by a factor of 2.5 from ca 0.8 nm for the unirradiated surface, as a result of greater hydrophilicity induced by radiation. The latter observation shows that the increased friction was due principally to the greater normal force on the tip from an additional meniscus force. Copyright 頲003 Society of Chemical Industry
dc.description.peerreviewedYes
dc.description.publicationstatusYes
dc.languageEnglish
dc.language.isoeng
dc.publisherJohn Wiley & Sons Ltd.
dc.publisher.placeUnited Kingdom
dc.publisher.urihttps://onlinelibrary.wiley.com/doi/10.1002/pi.1113
dc.relation.ispartofpagefrom1408
dc.relation.ispartofpageto1414
dc.relation.ispartofjournalPolymer International
dc.relation.ispartofvolume52
dc.subject.fieldofresearchAnalytical chemistry
dc.subject.fieldofresearchChemical engineering
dc.subject.fieldofresearchMaterials engineering
dc.subject.fieldofresearchHistory, heritage and archaeology
dc.subject.fieldofresearchcode3401
dc.subject.fieldofresearchcode4004
dc.subject.fieldofresearchcode4016
dc.subject.fieldofresearchcode43
dc.titleSurface topography and surface chemistry of radiation-patterned P(tBuMA) - analysis by atomic force microscopy
dc.typeJournal article
dc.type.descriptionC1 - Articles
dc.type.codeC - Journal Articles
gro.rights.copyright© 2003 John Wiley & Sons, Ltd. Self-archiving of the author-manuscript version is not yet supported by this publisher. Please refer to the journal link for access to the definitive, published version or contact the author for more information.
gro.date.issued2015-05-31T22:21:41Z
gro.hasfulltextNo Full Text
gro.griffith.authorMyhra, Sverre
gro.griffith.authorWatson, Jolanta A.
gro.griffith.authorWatson, Gregory S.


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