Paper Title:
Effects of Styrene-Acrylate Emulsion on the Damping Ability and Hydration of Cement Matrix
  Abstract

Cement mortar of high damping ability has been maded by using styrene-acrylate emulsion as an admixture. The addition of styrene-acrylate emulsion causes the loss tangent of plain cement mortar to increase at all temperature (-30-30 °C) and frequencies (0.1-2.0 Hz), and the loss tangent increase is particularly large at 15-30 °C, even up to 0.25 at 30 °C and 0.5Hz due to the glass temperature of styrene-acrylate emulsion, although the storage modulus of cement mortar with this admixture decreases at all temperatures and frequencies, however, for the loss modulus, which serves as an comprehensive figure-of-merit for the vibration reduction ability, styrene-acrylate emulsion may dramatically increase it. The X-ray diffraction (XRD) and infrared (IR) spectrum analysis have provided evidence that styrene-acrylate decelerates the hydration of cement paste.

  Info
Periodical
Key Engineering Materials (Volumes 302-303)
Edited by
Nai-Qian Feng and Gai-Fei Peng
Pages
550-555
DOI
10.4028/www.scientific.net/KEM.302-303.550
Citation
T.-J. Liu, J. P. Ou, "Effects of Styrene-Acrylate Emulsion on the Damping Ability and Hydration of Cement Matrix ", Key Engineering Materials, Vols. 302-303, pp. 550-555, 2006
Online since
January 2006
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Price
$32.00
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