Concrete sealers with migrating corrosion inhibitors
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United States of America Patent
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Jan 16, 2001
Grant Date -
N/A
app pub date -
Jun 29, 1999
filing date -
Feb 27, 1998
priority date (Note) -
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Abstract
A concrete sealer material is provided containing a corrosion inhibitor which is free to migrate upon leeching from the concrete sealer. The inhibitor retards the rate of corrosion of reinforcements contained within the concrete, including metallic mesh, grid, rebar, and other metallic articles utilized for reinforcement. The sealer material is preferably a film forming component of silicate or silane modified siloxanes. The corrosion inhibitor is preferably an amine salt, an amino alcohol, alkalized salt of glucoheptonates, or, calcium nitrite and mixtures thereof. A compatibility enhancer of an aminoalkyl silane can be added to the blend.
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