Copolymers for treating construction aggregates
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United States of America Patent
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Jun 11, 2013
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app pub date -
Feb 15, 2011
filing date -
Feb 15, 2011
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Abstract
The present invention provides methods, admixture compositions for treating clay-bearing aggregates used for construction purposes, and aggregate compositions for construction purposes. The clay-bearing aggregates are treated with a cationic copolymer made from two and preferably three different monomer components. Cementitious compositions containing the treated aggregates are also described.
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