Use of dispersants to improve the retention of fluidity of...

Details Use of dispersants to improve the retention of fluidity of... Use of dispersants to improve the retention of fluidity of...

C - Chemistry, Metallurgy

04

B

C04B 24/26 (2006.01) C04B 24/32 (2006.01) C04B 28/02 (2006.01)

Patent

CA 2521643

The invention relates to the use of polycarboxylates of polyoxyalkylene for the production of compositions of concrete wit a slump value T0 of between 12 and 20 cm inclusive, for improving the retention of fluidity with time. The invention further relates to fresh concrete compositions with such a slump value containing said dispersant.

L'invention concerne l'utilisation de polycarboxylates de polyoxyalkylène pour la préparation de compositions de béton ayant une valeur de slump T0 comprise entre 12 et 20 cm pour améliorer le maintien de fluidité dans le temps. Elle concerne également des compositions de béton frais ayant une telle valeur de slump comprenant ce dispersant.

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