Composition containing materials improving the rheological properties of cement-based products
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United States of America Patent
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Oct 22, 1996
Grant Date -
N/A
app pub date -
Dec 28, 1993
filing date -
Dec 29, 1992
priority date (Note) -
Expired
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Abstract
Composition adapted to improve the rheological properties of cement-based products and more especially to increase the duration of the workability of concrete ready to use, characterized in that it comprises, in the form of a ternary mixture a superplasticizing or water-reducing agent having a dispersing effect, a stabilizing agent capable of forming a chelate with the calcium ions of the cement-based product, and a polycarboxylic polymer dispersing agent.
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