Fibers having enhanced concrete bonding strength

Details Fibers having enhanced concrete bonding strength Fibers having enhanced concrete bonding strength

C - Chemistry, Metallurgy

04

B

C04B 16/06 (2006.01) C04B 20/10 (2006.01) D06M 13/17 (2006.01)

Patent

CA 2263910

The bonding between concrete and fibers is enhanced by using a fiber coating material selected from certain glycol ethers, having at least three carbon atoms in an oxyalkylene group, and glycerol ethers. The present invention pertains to such coated fibers, a method for modifying a concrete using the coated fibers, and a cementitious composition containing the coated fibers.

Il est possible d'améliorer l'adhérence entre du béton et des fibres en utilisant un matériau d'enrobage des fibres choisi parmi certains éthers glycoliques présentant au moins trois atomes de carbone dans un groupe oxyalkylène, et des éthers glycériques. L'invention porte sur les fibres ainsi enrobées, sur un procédé de modification du béton utilisant lesdites fibres enrobées, et sur une composition à base de ciment contenant ces mêmes fibres.

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