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Phosphonated superplasticizers synthesis: adsorption, dispersion and fluidification ability on calcium carbonate suspensions.

Abstract : 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.
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https://hal.mines-ales.fr/hal-03181316
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Submitted on : Thursday, March 25, 2021 - 3:11:26 PM
Last modification on : Friday, April 9, 2021 - 8:40:02 AM

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A. Tramaux, N. Azema, G. David, C. Negrell, A. Poulesquen, et al.. Phosphonated superplasticizers synthesis: adsorption, dispersion and fluidification ability on calcium carbonate suspensions.. EPJ Web of Conferences, EDP Sciences, 2017, 140, pp.13008. ⟨10.1051/epjconf/201714013008⟩. ⟨hal-03181316⟩

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