Solubilized defoamers for cementitious compositions
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United States of America Patent
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May 27, 2003
Grant Date -
Aug 8, 2002
app pub date -
Dec 7, 2000
filing date -
Dec 10, 1999
priority date (Note) -
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Abstract
Solubilizing agents are mixed with water insoluble defoamers and a dispersant for cementitious compositions to provide an admixture for cementitious compositions that is stable over time. Suitable solubilizing agents include alkoxylated moieties or particles. A cementitious composition is provided that includes cement, water, a water insoluble defoamer, a dispersant for cementitious compositions, and a solubilizing agent that solubilizes the water insoluble defoamer. A method is provided for making a cementitious composition that includes mixing cement, water, a water insoluble defoamer, a dispersant for cementitious compositions, and a solubilizing agent that solubilizes the water insoluble defoamer.
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