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Materials 2017, 10(5), 498; doi:10.3390/ma10050498

An Investigation into the Properties and Microstructure of Cement Mixtures Modified with Cellulose Nanocrystal

Department of Civil, Architectural and Environmental Engineering, University of Miami, Coral Gables, FL 33146, USA
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Author to whom correspondence should be addressed.
Academic Editor: Mady Elbahri
Received: 9 January 2017 / Revised: 21 April 2017 / Accepted: 25 April 2017 / Published: 4 May 2017
(This article belongs to the Special Issue Green Nanotechnology)
View Full-Text   |   Download PDF [11383 KB, uploaded 8 May 2017]   |  

Abstract

This paper aims to examine the effect of cellulose nanocrystals (CNC) on the hydration, transport behavior, and microstructure of cement mixtures. The addition of CNC delayed hydration at an early age but improved hydration at later ages. A small increase in the electrical resistivity of the cement mixtures with CNC was observed. Statistical nanoindentation showed a small tendency to a larger volume fraction of high density calcium-silicate-hydrate (C-S-H) and a smaller volume fraction of low-density C-S-H in the mixture with CNC. View Full-Text
Keywords: CNC; cement mixture; hydration; microstructure CNC; cement mixture; hydration; microstructure
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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. (CC BY 4.0).

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MDPI and ACS Style

Flores, J.; Kamali, M.; Ghahremaninezhad, A. An Investigation into the Properties and Microstructure of Cement Mixtures Modified with Cellulose Nanocrystal. Materials 2017, 10, 498.

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