Characterization and properties of calcium silicate hydrate polymer nanocomposites

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Conference107th Annual Meeting & Exposition of the American Ceramic Society: 10 April 2005, Baltimore, Maryland
Pages110; # of pages: 10
SubjectC-S-HPN materials, AFM, SEM, XRD, EDS; Cement/Concrete
AbstractHigh molecular weight nonionic polymer-poly(vinyl alcohol) (PVA) in different concentrations has been incorporated into the calcium silicate hydrate (C-S-H) structure during precipitation of quasicrystalline C-S-H from aqueous solution. Ca/Si = 0.7 and various PVA concentrations (0.05-0.75 g/g Ca salt) were used for a series of C-S-H-polymer nanocomposite (C-S-HPN) materials synthesis. Synthetic C-S-H and C-S-HPN materials were characterized by Fourier-transform infrared (FTIR) spectroscopy, scanning electron microscopy (SEM) and atomic force microscopy (AFM). The compositions and structures of the C-S-H and C-S-HPN materials were studied by SEM and FTIR spectra. FTIR spectra confirms the presence of PVA inC-S-HPN materials. The SEM and AFM micrographs of C-S-H and C-S-HPN materials with different PVA contents exhibit the significant differences in their morphologies.
Publication date
AffiliationNRC Institute for Research in Construction; National Research Council Canada
NoteAlso published in Ceramic Transactions, 172, pp. 11-20, 2005
Peer reviewedYes
NRC number48333
NPARC number20377394
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Record identifier984fb687-c7e6-419c-81a2-03a4ed46b6c6
Record created2012-07-24
Record modified2016-05-09
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