About: Single-electron transfer living radical copolymerization of SWCNT-g-PMMA via graft from approach

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About: Single-electron transfer living radical copolymerization of SWCNT-g-PMMA via graft from approach Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The sidewall functionalization of single-walled carbon nanotubes (SWCNTs) was established by poly(methyl methacrylate) (PMMA) using controlled radical polymerization (CRP) method. A bromide functionalized SWCNT (SWCNT-Br) has been used as an initiator for the synthesis of SWCNT-graft-PMMA (SWCNT-g-PMMA). The efficiency of the sacrificial initiator (S) was monitored during the polymerization process. The obtained polymers possess a uniform distribution of molecular weight with a lower polydispersity index of 1.36. The SWCNTs-based initiator acts as an efficient medium for the controlled growth of polymer on the SWCNTs surfaces. The presence of bimodal gel permeation chromatographic (GPC) curve for the SWCNT-g-PMMA(S) obtained through sacrificial initiator (S) confirms uncontrolled behavior. However, the clear sharp peak for SWCNT-g-PMMA obtained without sacrificial initiator shows its well-controlled process of polymerization, which acts as a mimic to bone cement. The efficiency of the functionalization of SWCNT and the controlled formation of SWCNT-g-PMMA composites were characterized by TGA, Raman, TEM, NMR, XPS and dispersion measurements. The sidewall functionalization of single-walled carbon nanotubes (SWCNTs) was established by poly(methyl methacrylate) (PMMA) using controlled radical polymerization (CRP) method. A bromide functionalized SWCNT (SWCNT-Br) has been used as an initiator for the synthesis of SWCNT-graft-PMMA (SWCNT-g-PMMA). The efficiency of the sacrificial initiator (S) was monitored during the polymerization process. The obtained polymers possess a uniform distribution of molecular weight with a lower polydispersity index of 1.36. The SWCNTs-based initiator acts as an efficient medium for the controlled growth of polymer on the SWCNTs surfaces. The presence of bimodal gel permeation chromatographic (GPC) curve for the SWCNT-g-PMMA(S) obtained through sacrificial initiator (S) confirms uncontrolled behavior. However, the clear sharp peak for SWCNT-g-PMMA obtained without sacrificial initiator shows its well-controlled process of polymerization, which acts as a mimic to bone cement. The efficiency of the functionalization of SWCNT and the controlled formation of SWCNT-g-PMMA composites were characterized by TGA, Raman, TEM, NMR, XPS and dispersion measurements. (en)
Title	Single-electron transfer living radical copolymerization of SWCNT-g-PMMA via graft from approach Single-electron transfer living radical copolymerization of SWCNT-g-PMMA via graft from approach (en)
skos:prefLabel	Single-electron transfer living radical copolymerization of SWCNT-g-PMMA via graft from approach Single-electron transfer living radical copolymerization of SWCNT-g-PMMA via graft from approach (en)
skos:notation	RIV/61389013:_____/14:00428660!RIV15-GA0-61389013
http://linked.open...avai/riv/aktivita	I P
http://linked.open...avai/riv/aktivity	I, P(GAP108/12/1459)
http://linked.open...iv/cisloPeriodika	13
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Špírková, Milena Matějka, Libor Ponyrko, Sergii
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Ústav makromolekulární chemie AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	45084
http://linked.open...ai/riv/idVysledku	RIV/61389013:_____/14:00428660
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	single electron transfer; single-walled carbon nanotubes; controlled radical polymerization (en)
http://linked.open.../riv/klicoveSlovo	controlled radical polymerization single electron transfer single-walled carbon nanotubes
http://linked.open...odStatuVydavatele	GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV	[E783A8EFF50A]
http://linked.open...i/riv/nazevZdroje	Polymer
http://linked.open...in/vavai/riv/obor	CD
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	7 (xsd:int)
http://linked.open...vavai/riv/projekt	Advanced smart polymer materials
http://linked.open...UplatneniVysledku	2014
http://linked.open...v/svazekPeriodika	55
http://linked.open...iv/tvurceVysledku	Matějka, Libor Špírková, Milena Ponyrko, Sergii Haridharan, N. Jaisankar, S. N. Mandal, A. B. Murali, A.
http://linked.open...ain/vavai/riv/wos	000337549000004
issn	0032-3861
number of pages	8 (xsd:int)
http://bibframe.org/vocab/doi	10.1016/j.polymer.2014.04.054

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