Nitrogenous strength enhancers for portland cement

Compositions: coating or plastic – Coating or plastic compositions – Inorganic settable ingredient containing

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106725, 106727, 106806, 106819, 106820, 106822, 106823, C04B 2412

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active

056413521

ABSTRACT:
An early strength-enhancing admixture and cement composition is disclosed. The admixtures incorporate strength-enhancing components selected from the group consisting of
a. a nitrogenous compound of the formula ##STR1## wherein R.sub.1 =R.sub.5 A;

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1977 Publication, Krasnodar Dept. of the Correspondence Institute of Soviet Trade, Title: "Influence of Organic Acids on the Setting of Patching Portland Cement Solutions at High Temperature and Pressures" by: F. G. Mamulov, D. A. Loskutov, and A. A. Tikhomirov No Month.

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