Adjuvant for hydraulic compositions
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United States of America Patent
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May 3, 2011
Grant Date -
Dec 4, 2008
app pub date -
Feb 2, 2007
filing date -
Feb 6, 2006
priority date (Note) -
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Abstract
The invention provides an admixture for a hydraulic binder composition comprising at least one cationic polymer and at least one anionic polymer, at least one of these polymers having a comb type of structure, wherein the mass ratio of the anionic polymer/cationic polymer is from 99.9/0.1 to 60/40. It also provides a process for its preparation as well as its use as a plasticizer.
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