Solubilized defoamers for cementitious compositions
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United States of America Patent
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Apr 5, 2005
Grant Date -
Oct 2, 2003
app pub date -
Dec 23, 2002
filing date -
Dec 10, 1999
priority date (Note) -
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Abstract
Amine solubilizing agents are mixed with water insoluble defoamers and optionally a dispersant for cementitious compositions to provide an admixture for cementitious compositions that is stable over time. A cementitious composition is provided that includes cementitious material, water, a water insoluble defoamer, optionally a dispersant for cementitious compositions, and an amine solubilizing agent that solubilizes the water insoluble defoamer. A method is provided for making a cementitious composition that includes mixing cementitious material, water, a water insoluble defoamer, an amine solubilizing agent that solubilizes the water insoluble defoamer, and optionally a dispersant for cementitious compositions.
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