Effects of pressure on systems with intrinsic orientational order

dc.contributor.authorFloudas, G.en
dc.date.accessioned2015-11-24T18:29:33Z
dc.date.available2015-11-24T18:29:33Z
dc.identifier.issn0079-6700-
dc.identifier.urihttps://olympias.lib.uoi.gr/jspui/handle/123456789/16270
dc.rightsDefault Licence-
dc.subjectshape-persistent macromoleculesen
dc.subjectliquid crystalline polymersen
dc.subjecthairy-rod polymersen
dc.subjectpolypeptidesen
dc.subjectglass transitionen
dc.subjectphase stateen
dc.subjectliquid-crystalline polymersen
dc.subjectnuclear-magnetic-resonanceen
dc.subjectelectric dipole momenten
dc.subjectmesogenic side groupsen
dc.subjectglass-transitionen
dc.subjectsolid-stateen
dc.subjectdielectric-relaxationen
dc.subjectmolecular-dynamicsen
dc.subjectpolypeptide solutionsen
dc.subjectneutron-scatteringen
dc.titleEffects of pressure on systems with intrinsic orientational orderen
heal.abstractThe dynamics of shape-persistent macromolecules have not been investigated to the same extent as of glass-forming liquids or amorphous polymers. Herein we investigate the dynamics of systems possessing intrinsic orientational order. Do such systems exhibit a glass transition and if yes, what is its origin? Do they show a dual relaxation scenario (alpha and beta-processes) as glass-forming liquids and polymers? If such processes exists what is their pressure dependence? Is the a-process controlled by temperature or by the available (free) volume? To answer these fundamental questions we employ some of the most common polymers exhibiting intrinsic orientational order, namely: (a) side-chain liquid crystalline polymers, (b) hairy-rod polymers and (c) synthetic polypeptides with alpha-helical secondary structure. We show that these molecularly diverse but shape-persistent macromolecules share some common features in their dynamic response. (C) 2004 Elsevier Ltd. All rights reserved.en
heal.accesscampus-
heal.fullTextAvailabilityTRUE-
heal.identifier.primaryDOI 10.1016/j.progpolymsci.2004.08.004-
heal.identifier.secondary<Go to ISI>://000225313600002-
heal.identifier.secondaryhttp://ac.els-cdn.com/S0079670004000838/1-s2.0-S0079670004000838-main.pdf?_tid=8dd7c3d40abad4888c7efc661893ac98&acdnat=1334220363_2f1d2d82b511f6728b2539255d0a2b59-
heal.journalNameProgress in Polymer Scienceen
heal.journalTypepeer reviewed-
heal.languageen-
heal.publicationDate2004-
heal.recordProviderΠανεπιστήμιο Ιωαννίνων. Σχολή Επιστημών και Τεχνολογιών. Τμήμα Βιολογικών Εφαρμογών και Τεχνολογιώνel
heal.typejournalArticle-
heal.type.elΆρθρο Περιοδικούel
heal.type.enJournal articleen

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