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http://dx.doi.org/10.4191/KCERS.2004.41.5.417

Effects of Polycarboxylate Type Superplasticizer on the Hydration of Ordinary Portland Cement  

류호석 (단국대학교 신소재공학과)
송종택 (단국대학교 신소재공학과)
Publication Information
Journal of the Korean Ceramic Society / v.41, no.5, 2004 , pp. 417-424 More about this Journal
Abstract
Polycarboxylate type superplasticizers (PCA) with different graft chain (Polyethylene oxide) length were synthesized by Methoxypoly (ethyleneglycol)monomethacrylate (MPEGMAA) and methacrylic acid (MAA). The effects of PCA on the hydration of Ordinary Portland Cement (OPC) were investigated by Fourier Transform Infrared Spectroscopy (FT-IR), X-Ray Diffraction (XRD) and Differential Scanning Calorimetry (DSC) techniques. The effect of graft chain length of PCA on the hydration of OPC was different at early age, but, at long age, was similar. The ratio of relative peak intensity, (I［001］/I［101］), of Ca(OH)$_2$ compared with OPC also was reduced by PCA addition.
Keywords
Superplasticizer; Cement hydration; FT-IR; XRD; DSC;
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