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Influence of polysaccharides on cement hydration

Peschard, A. / Govin, A. / Fredon, E. / Grosseau, P. / Fantozzi, G.

This paper is about the influence of polysaccharides on cement hydration. Three polysaccharides were studied: a cellulose ether (CE), a starch ether (SE) and a dextrin (YD). In a concentrated media as well as in a dilute media, admixture CE only revealed a slight effect on cement hydration. Portlandite and ettringite formation and gypsum consumption were slowed down by SE adjunction. Admixture YD induced an acceleration of ettringite formation as well as gypsum consumption whereas portlandite formation was blocked by this compound.

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Influence of polysaccharides on cement hydration

Peschard, A. / Govin, A. / Fredon, E. / Grosseau, P. / Fantozzi, G.

This paper is about the influence of polysaccharides on cement hydration. Three polysaccharides were studied: a cellulose ether (CE), a starch ether (SE) and a dextrin (YD). In a concentrated media as well as in a dilute media, admixture CE only revealed a slight effect on cement hydration. Portlandite and ettringite formation and gypsum consumption were slowed down by SE adjunction. Admixture YD induced an acceleration of ettringite formation as well as gypsum consumption whereas portlandite formation was blocked by this compound.

Influence of polysaccharides on cement hydration

Peschard, A. / Govin, A. / Fredon, E. / Grosseau, P. / Fantozzi, G.

This paper is about the influence of polysaccharides on cement hydration. Three polysaccharides were studied: a cellulose ether (CE), a starch ether (SE) and a dextrin (YD). In a concentrated media as well as in a dilute media, admixture CE only revealed a slight effect on cement hydration. Portlandite and ettringite formation and gypsum consumption were slowed down by SE adjunction. Admixture YD induced an acceleration of ettringite formation as well as gypsum consumption whereas portlandite formation was blocked by this compound.

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Title:

Influence of polysaccharides on cement hydration

Contributors:

Peschard, A. (author) / Govin, A. (author) / Fredon, E. (author) / Grosseau, P. (author) / Fantozzi, G. (author)

Published in:

Euro Ceramics, Conference and Exhibition of the European Ceramic Society, 8 ; 2141-2144

Key Engineering Materials ; 264/268

Publication date:

2004

Size:

4 Seiten, 3 Bilder, 10 Quellen

ISBN:

ISSN:

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.264-268.2141

Type of media:

Conference paper

Type of material:

Print

Language:

English

Keywords:

Zement , Hydratation , Wasserabbinden von Zement , Polysaccharid , Celluloseether , Stärkeether , Dextrin , Additiv , Beimengung , Ettringit

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