Paper Title:
Study on Impermeability and Resistance to Sulfate Attack of Polymeric Sulphoaluminate Cement
  Abstract

The polymer sulphoaluminate cement is composed of styrene-acrylic emulsion and sulphoaluminate cement. The resistance to sulfate attack, impermeability and mechanical performance are studied in the paper. The hardened paste microstructure of the polymer sulphoaluminate cement is studied by means of SEM. The experiment shows that the impermeability of the cement is improved with the increase of styrene-acrylic emulsion. When the ratio of polymer to cement increases from 0% to 15%, the permeate height of the hardened cement paste decreases by 70%. The resistance to sulfate attack of the cement is also improved with the increase of styrene-acrylic emulsion. Styrene-acrylic emulsion has little effect on the flexural strength of sulphoaluminate cement. When the ratio of polymer to cement is less than 15%, the flexural strength of the cement at 28d curing ages are all above 7.1MPa. As shown from SEM photographs, the cement becomes more close-grained when the ratio of polymer to cement increases.

  Info
Periodical
Key Engineering Materials (Volumes 400-402)
Edited by
Jingsi Huo, Yan Xiao, Zongjin Li and Shuaib Ahmad
Pages
453-457
DOI
10.4028/www.scientific.net/KEM.400-402.453
Citation
Y. C. Li, L. C. Lu, S. D. Wang, Z. M. Ye, X. Cheng, "Study on Impermeability and Resistance to Sulfate Attack of Polymeric Sulphoaluminate Cement", Key Engineering Materials, Vols. 400-402, pp. 453-457, 2009
Online since
October 2008
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$32.00
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