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J. Korean Ceram. Soc. > Volume 41(5); 2004 > Article
Journal of the Korean Ceramic Society 2004;41(5): 417.
doi: https://doi.org/10.4191/kcers.2004.41.5.417
보통포틀랜드시멘트의 수화 반응에 미치는 폴리카복실레이트계 고유동화제의 영향
류호석, 송종택
단국대학교 신소재공학과
Effects of Polycarboxylate Type Superplasticizer on the Hydration of Ordinary Portland Cement
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.
Key words: Superplasticizer, Cement hydration, FT-IR, XRD, DSC
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