SUPERPLASTICIZERS FOR CONCRETE AND CEMENT MATERIALS AND PROCESS FOR PRODUCING THE SAME
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United States of America Patent
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Issued Date -
Mar 14, 2013
app pub date -
Dec 16, 2010
filing date -
Dec 21, 2009
priority date (Note) -
Abandoned
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Abstract
Superplasticizer for concrete and other cement mixtures, which is intrinsically low-foaming, promotes the early mechanical strength development and retains the workability of fresh concrete for longer time, obtainable by reacting acid, not neutralized, polycarboxylic polymers with monofunctional polyethers and difunctional polyethers in the absence of strong acidic catalysts.
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