Fast hydraulic binder for parts and constructions made of concrete containing a calcium salt
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United States of America Patent
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Mar 31, 2015
Grant Date -
Feb 16, 2012
app pub date -
Aug 17, 2011
filing date -
Feb 17, 2009
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Abstract
A fast hydraulic binder comprising cement, at least one first superplasticizer, a calcium salt, and at least one second superplasticizer different from the first superplasticizer and comprising a main chain and pendant groups connected to the main chain adapted so as to separate from the main chain in a basic medium, wherein the result is that the second plasticizer has a fluidifying action which increases at least temporarily over time in a basic medium.
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