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Set-retarding Effects of Sugars in Portland Cement Pastes

Naturevolume 212pages502503 (1966) | Download Citation



DURING an investigation of the retardation of setting in Portland cement pastes by a series of sugars, the disaccharide αα-trehalose was found to possess only weak retarding properties, while all the other sugars studied were powerful set-retarding agents. The reason for the distinctive behaviour of αα-trehalose may help to explain the mechanisms by which organic materials retard the setting reactions in the Portland cement–water system.

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    Steinour, H. H., Amer. Soc. Test. Mat. Special Technical Publication No. 266, 25 (1960).

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  1. Division of Applied Mineralogy, C.S.I.R.O. Chemical Research Laboratories, Melbourne

    • G. M. BRUERE


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