Microcalorimetric analysis of methylcellulose influence on the hydration process of tricalcium aluminate,alite and their mixture |
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| Authors: | Paweł Pichniarczyk Grzegorz Malata |
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| Affiliation: | 1.Division of Glass and Building Materials in Krakow,Institute of Ceramics and Building Materials,Krakow,Poland;2.Faculty of Materials Science and Ceramics,AGH University of Science and Technology,Krakow,Poland |
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| Abstract: | In the paper, the results of investigation concerning the influence of 0.3% addition of hydroxypropyl methylcellulose (MC) of 40 and 70 Pa s viscosity on the hydration process of main clinker phases C3S and C3A are presented. The course of hydration is documented using microcalorimetry, and formed phases were identified by XRD. The research indicated that methylcellulose inhibited the hydration process of clinker phases, analysed both, separately and in their mixture. Moreover, it was found that the presence of MC admixture also led to the reduction in calcium sulphate dihydrate reactivity in the system. |
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