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dc.creatorBrkovic, Danijela V.
dc.creatorPavlović, Vladimir B.
dc.creatorPavlović, Vera P.
dc.creatorObradovic, Nina
dc.creatorMitrić, Miodrag
dc.creatorStevanović, Sanja
dc.creatorVlahovic, Branislav
dc.creatorUskoković, Petar S.
dc.creatorMarinković, Aleksandar D.
dc.date.accessioned2019-01-30T17:54:29Z
dc.date.available2019-01-30T17:54:29Z
dc.date.issued2017
dc.identifier.issn0272-8397
dc.identifier.urihttps://cer.ihtm.bg.ac.rs/handle/123456789/2152
dc.description.abstractThe structural characteristics of polymer nanocomposites with functionalized multiwall carbon nanotubes (MWCNTs) in poly(methyl methacrylate) matrix have been studied in relation to nanofiller loading and surface functionality. Different functional groups have been covalently attached on the MWCNTs sidewalls in order to induce interfacial interactions at nanofiller/polymer interface, which resulted in an improved nanomechanical features. Structural properties of nanocomposites, studied with XRD and Raman analysis, indicated the most pronounced decrease in a degree of amorphousness for samples containing 0.5 and 1 wt% of MWCNTs functionalized with dapsone (dapson-MWCNT) and diethyl malonate (dem-MWCNT). SEM and TEM micrographs confirmed improved dispersibility of the MWCNTs modified with aromatic structure of dapsone inside PMMA matrix. A significant increase in a glass transition temperature of over 60 degrees C has been found for the 1 wt% dapson-MWCNT nanocomposite. Additional modification of dapson-MWCNT by further increasing aromaticity and voluminosity of attached moiety (fid-MWCNT), showed 30 degrees C increases in a glass transition temperature at 4 wt% of nanofiller loading, which is similar to shift of 37 degrees C with loading of MWCNTs modified with ester terminal group. A maximum increase of 56% of reduced modulus and 86% of hardness was obtained for 1 wt% loading of dapson-MWCNT nanofiller.en
dc.publisherWiley, Hoboken
dc.relationinfo:eu-repo/grantAgreement/MESTD/Integrated and Interdisciplinary Research (IIR or III)/45019/RS//
dc.relationinfo:eu-repo/grantAgreement/MESTD/Basic Research (BR or ON)/172057/RS//
dc.relationNSF - HRD0833184
dc.relationNASA - NNX09AVO7A
dc.rightsrestrictedAccess
dc.sourcePolymer Composites
dc.titleStructural Properties of the Multiwall Carbon Nanotubes/Poly(Methyl Methacrylate) Nanocomposites: Effect of the Multiwall Carbon Nanotubes Covalent Functionalizationen
dc.typearticle
dc.rights.licenseARR
dcterms.abstractВлаховиц, Бранислав; Маринковиц, Aлександар Д.; Стевановић, Сања; Митрић, Миодраг; Павловић, Вера П.; Павловић, Владимир. Б.; Обрадовиц, Нина; Ускоковић, Петар С.; Брковиц, Данијела В.;
dc.citation.volume38
dc.citation.other38:
dc.citation.rankM22
dc.identifier.doi10.1002/pc.23996
dc.identifier.scopus2-s2.0-84961282389
dc.identifier.wos000411830400053
dc.type.versionpublishedVersion


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