About: Surface Activation of Carbon Nanotubes Generating a Chemical Interaction in Epoxy Nanocomposite

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
rdfs:seeAlso	https://www.waset.org/conference/2014/04/paris/ICNN
Description	Carbon nanotubes (CNTs) are known for having high elastic properties with high surface area that promote them as good candidates for reinforcing polymeric matrices. In composite materials, CNTs lack chemical bonding with the surrounding matrix which decreases the possibility of better stress transfer between the components. In this work, a chemical treatment for activating the surface of the multi-wall carbon nanotubes (MWCNT) was applied and the effect of this functionalization on the elastic properties of the epoxy nanocomposites was studied. Functional amino-groups were added to the surface of the CNTs and it was evaluated to be about 34% of the total weight of the CNTs. Elastic modulus was found to increase by about 40% of the neat epoxy resin at CNTs’ weight fraction of 0.5%. The elastic modulus was found to decrease after reaching a certain concentration of CNTs which was found to be 1% wt. The scanning electron microscopic pictures showed the effect of the CNTs on the crack propagation through the sample by forming stress concentrated spots at the nanocomposite samples. Carbon nanotubes (CNTs) are known for having high elastic properties with high surface area that promote them as good candidates for reinforcing polymeric matrices. In composite materials, CNTs lack chemical bonding with the surrounding matrix which decreases the possibility of better stress transfer between the components. In this work, a chemical treatment for activating the surface of the multi-wall carbon nanotubes (MWCNT) was applied and the effect of this functionalization on the elastic properties of the epoxy nanocomposites was studied. Functional amino-groups were added to the surface of the CNTs and it was evaluated to be about 34% of the total weight of the CNTs. Elastic modulus was found to increase by about 40% of the neat epoxy resin at CNTs’ weight fraction of 0.5%. The elastic modulus was found to decrease after reaching a certain concentration of CNTs which was found to be 1% wt. The scanning electron microscopic pictures showed the effect of the CNTs on the crack propagation through the sample by forming stress concentrated spots at the nanocomposite samples. (en)
Title	Surface Activation of Carbon Nanotubes Generating a Chemical Interaction in Epoxy Nanocomposite Surface Activation of Carbon Nanotubes Generating a Chemical Interaction in Epoxy Nanocomposite (en)
skos:prefLabel	Surface Activation of Carbon Nanotubes Generating a Chemical Interaction in Epoxy Nanocomposite Surface Activation of Carbon Nanotubes Generating a Chemical Interaction in Epoxy Nanocomposite (en)
skos:notation	RIV/46747885:24410/14:#0003702!RIV15-MSM-24410___
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(EE2.3.30.0065)
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Eldessouki, Mohamed
http://linked.open.../riv/druhVysledku	O - Ostatní výsledky nezařaditelné do žádného z výše uvedených druhů výsledku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Technická univerzita v Liberci / Fakulta textilní
http://linked.open...dnocenehoVysledku	48615
http://linked.open...ai/riv/idVysledku	RIV/46747885:24410/14:#0003702
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	carbon nanotubes; functionalization; crack propagation; epoxy nanocomposites (en)
http://linked.open.../riv/klicoveSlovo	functionalization carbon nanotubes crack propagation epoxy nanocomposites
http://linked.open...ontrolniKodProRIV	[DF67ABA90E69]
http://linked.open...in/vavai/riv/obor	JI
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...vavai/riv/projekt	Support of the creation of excellent research and development teams at the Technical University of Liberec
http://linked.open...UplatneniVysledku	2014
http://linked.open...iv/tvurceVysledku	Eldessouki, Mohamed Shady, Ebraheem Gowayed, Yasser
http://localhost/t...ganizacniJednotka	24410

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