Patent ID: 6398866
Filing Date: 2002-06-04
Classification: C04B

Abstract:
An admixture for the reduction of the degree of shrinkage of hydraulic binders comprisinga) about 5-40% by weight of at least one alkanolamine of formula I Râ€”NHâ€”(AOH)â€ƒâ€ƒ(I) wherein R is hydrogen or a linear or a branched aliphatic or cyclic C1-C6-alkyl group, and A is a C2H4- or C3H6-group, b) about 0-90% by weight of at least one hydroxy compound, and/or c) about 0-90% by weight of at least one ether compound; wherein the sum of b) and c) is at least about 60% by weight.