Method for the reduction of the degree of shrinkage of...

Details Method for the reduction of the degree of shrinkage of... Method for the reduction of the degree of shrinkage of...

C - Chemistry, Metallurgy

04

B

261/50

C04B 24/12 (2006.01) C04B 40/00 (2006.01)

Patent

CA 2297404

One object of the present invention-is an agent for the reduction of the degree of shrinkage in hydraulic binders, whereby said agent comprises an alkanolamine of formula R-NH-(AOH) wherein R is hydrogen or a linear or branched aliphatic or cyclic C1-C6-alkyl group, and A is a C2H4-group or C3H6-group, alone or in combination with hydroxy compounds and/or ethers. Furthermore a method for the reduction of the dry shrinkage of binders such as cement, admixed cement, puzzolanas and thereof produced mortars and concretes by means of such a shrinkage reducing agent is described.

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