Effect of carbon nanotube aqueous dispersion quality on mechanical properties of cement composite

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Fältnamn	Indikatorer	Metadata
000		03173naa a2200385 4500
001		oai:DiVA.org:ltu-11555
003		SwePub
008		160929s2012 \| \|\|\|\|\|\|\|\|\|\|\|000 \|\|eng\|
024	7	a https://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-115552 URI
024	7	a https://doi.org/10.1155/2012/1692622 DOI
040		a (SwePub)ltu
041		a engb eng
042		9 SwePub
072	7	a ref2 swepub-contenttype
072	7	a art2 swepub-publicationtype
100	1	a Nasibulina, Larisa I.u Department of Applied Physics, Aalto University School of Science4 aut
245	1 0	a Effect of carbon nanotube aqueous dispersion quality on mechanical properties of cement composite
264	1	b Hindawi Limited,c 2012
338		a print2 rdacarrier
500		a Upprättat; 2012; 20160222 (andcwi)
520		a An effect of the quality of carbon nanotube (CNT) dispersions added to cement on paste mechanical properties has been studied. High-quality dispersions of few-walled CNT (FWCNTs) were produced in two steps. First, FWCNTs were functionalized in a mixture of nitric and sulfuric acids (70wt. and 96wt., resp.) at 80°C. Second, functionalized FWCNTs were washed out by acetone to remove carboxylated carbonaceous fragments (CCFs) formed during CNT oxidation. Mechanical test results showed 2-fold increase in the compressive strength of the cement paste prepared from the dispersion of acetone-washed functionalized FWCNTs, which is believed to occur due to the chemical interaction between cement matrix and functional groups (-COOH and -OH). Utilisation of unwashed FWCNTs led to a marginal improvement of mechanical properties of the cement pastes, whereas surfactant-treated functionalized FWCNT dispersions only worsened the mechanical properties. Copyright © 2012 Larisa I. Nasibulina et al.
650	7	a TEKNIK OCH TEKNOLOGIERx Samhällsbyggnadsteknikx Infrastrukturteknik0 (SwePub)201042 hsv//swe
650	7	a ENGINEERING AND TECHNOLOGYx Civil Engineeringx Infrastructure Engineering0 (SwePub)201042 hsv//eng
653		a Structural Engineering
653		a Konstruktionsteknik
700	1	a Anoshkin, Ilya V.u Department of Applied Physics, Aalto University School of Science4 aut
700	1	a Nasibulin, Albert G.u Department of Applied Physics, Aalto University School of Science4 aut
700	1	a Cwirzen, Andrzeju Department of Civil and Structural Engineering, Aalto University, School of Engineering, Espoo4 aut0 (Swepub:ltu)andcwi
700	1	a Penttala, Vesau Department of Civil and Structural Engineering, Aalto University, School of Engineering, Espoo4 aut
700	1	a Kauppinen, Esko I.u Department of Applied Physics, Aalto University School of Science4 aut
710	2	a Department of Applied Physics, Aalto University School of Scienceb Department of Civil and Structural Engineering, Aalto University, School of Engineering, Espoo4 org
773	0	t Journal of Nanomaterialsd : Hindawi Limitedg 2012q 2012x 1687-4110x 1687-4129
856	4	u http://downloads.hindawi.com/journals/jnm/2012/169262.pdf
856	4 8	u https://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-11555
856	4 8	u https://doi.org/10.1155/2012/169262

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Av författaren/redakt...: Nasibulina, Lari ...; Anoshkin, Ilya V ...; Nasibulin, Alber ...; Cwirzen, Andrzej; Penttala, Vesa; Kauppinen, Esko ...

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TEKNIK OCH TEKNOLOGIER: TEKNIK OCH TEKNO ...; och Samhällsbyggnads ...; och Infrastrukturtek ...

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