Cement dispersant and methods of making and using the same
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United States of America Patent
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Sep 18, 2007
Grant Date -
Jan 13, 2005
app pub date -
Jun 23, 2004
filing date -
Jun 23, 2003
priority date (Note) -
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Abstract
The present invention relates to cement dispersant that is a copolymerization product of a first monomer (A) comprising a carboxylic acid, a second monomer (B) comprising an alkoxylated allyl alcohol sulfate, and, optionally, a third monomer (C) comprising an alkoxylated allyl alcohol. The cement dispersant according to the invention provides improved slump life properties and water reduction properties in cement admixtures.
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