Paper Title:

Microstructural Analysis during the Hydration of Cement-in-Polymer Coatings

Periodical Key Engineering Materials (Volume 466)
Main Theme Polymers in Concrete
Edited by José Aguiar and Lech Czarnecki
Pages 159-166
DOI 10.4028/www.scientific.net/KEM.466.159
Citation Oliver Weichold et al., 2011, Key Engineering Materials, 466, 159
Online since January, 2011
Authors Oliver Weichold, Markus Hojczyk, Alina Adams, Alexandra Olaru, Helge Stanjek
Keywords Hydration, Nuclear Magnetic Resonance, Polymer Coating, Reinforced Concrete (RC), Scanning Electron Microscope (SEM), X-Ray Diffraction (XRD)
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Abstract

Cement-in-polymer (c/p) dispersions allow the full utilisation of the reinforcing abilities of multifilament rovings in concrete. In this work the role of the polymer properties on the performance of the c/p dispersions is investigated and discussed. Two model polymers are chosen and c/p dispersions made with these are investigated regarding the water ingress velocity (NMR), the phase development during cement hydration (XRD), and the microstructure after cement hydration (SEM). Best mechanical performance is achieved with the hydrophobic poly(vinyl acetate) which regulates the water ingress and causes a slow hydration of the cement.