EPJ Web Conf.
Volume 140, 2017Powders and Grains 2017 – 8th International Conference on Micromechanics on Granular Media
|Number of page(s)||4|
|Published online||30 June 2017|
Phosphonated superplasticizers synthesis: adsorption, dispersion and fluidification ability on calcium carbonate suspensions.
1 Centre des Matériaux de l’Ecole des Mines d’Ales, France.
2 Laboratoire Ingénierie et Architecture Macromoléculaire, Institut Charles Gerhardt de Montpellier.
3 Laboratoire de Physicochimie des Matériaux Cimentaires, Commissariat à l’Energie Atomique de Marcoule, Bagnols-sur-Cèze.
4 Mines Douai, LGCgE – GCE, F-59508 Douai, France.
* Corresponding author: firstname.lastname@example.org
Published online: 30 June 2017
Superplasticizers are chemical admixtures used to fluidize cement pastes. Among them, polycarboxylate are comb-like copolymers with carboxylic acid and poly(ethylene glycol) side chains. We present here the synthesis of various polycarboxylate-like copolymers including phosphonic acid functions. Their adsorption, dispersion and fluidification efficiencies are evaluated on calcium carbonate suspensions, a mineral material commonly used to simulate early-age cement behaviour.
© The Authors, published by EDP Sciences, 2017
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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