Solubilized defoamers for cementitious compositions
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United States of America Patent
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Jan 3, 2012
Grant Date -
Nov 24, 2005
app pub date -
Apr 5, 2005
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 method is provided for controlling the amount of air in a cementitious material in a predictable manner that includes mixing cementitious material, water, a water insoluble defoamer, an amine salt solubilizing agent that solubilizes the water insoluble defoamer, and optionally a dispersant for cementitious compositions.
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