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International Journal of Polymer Science
Volume 2016 (2016), Article ID 7324975, 8 pages
http://dx.doi.org/10.1155/2016/7324975
Research Article

Bonding Characteristics of Macrosynthetic Fiber in Latex-Modified Fiber-Reinforced Cement Composites as a Function of Carbon Nanotube Content

1Department of Environmental Engineering, Andong National University, Andong 74760, Republic of Korea
2Department of Agricultural Engineering, Institute of Agricultural and Life Science, Gyeongsang National University, Jinju 52828, Republic of Korea
3Department of Rural Construction Engineering, Kongju National University, Yesan 32439, Republic of Korea

Received 25 September 2015; Accepted 16 February 2016

Academic Editor: Sohel Rana

Copyright © 2016 Ji-Hong Jean et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

The effect of carbon nanotube content (0, 0.5, 1.0, 1.5, and 2.0% of the cement weight) on the bonding properties of macrosynthetic fiber in latex-modified hybrid fiber cement-based composites (LMHFRCCs) was evaluated. The slump value, compressive strength, and bonding strength were measured for each LMHFRCC. As the carbon nanotube content increased to 1.5%, the bonding properties of the macrosynthetic fiber improved. However, the bonding performance deteriorated at a carbon nanotube content of 2.0%. A decrease in the fluidity of the mix negatively affected the dispersion of the nanotubes in the LMHFRCCs. The addition of carbon nanotubes also affected the relative bonding strength independently of the improvement in compressive strength. Microscopic analysis of the macrosynthetic fiber surfaces was used to understand changes in the bonding behavior.