C - Chemistry – Metallurgy – 04 – B
Patent
C - Chemistry, Metallurgy
04
B
C04B 7/26 (2006.01) C04B 7/00 (2006.01) C04B 20/10 (2006.01) C04B 22/00 (2006.01) C04B 22/06 (2006.01) C04B 22/14 (2006.01) C04B 28/00 (2006.01) C04B 28/22 (2006.01) C04B 40/00 (2006.01)
Patent
CA 2468568
The invention relates to a particular additive and method for dispersing an admixture in a cementitious composition comprising a hydraulic cement, to provide activation of the admixture on mixing of the cementitious composition with water wherein the particles of the particulate additive comprise a carrier comprising pozzolanic material and an admixture bound to the particulate carrier wherein the particles of the additive have a median particle size of between one tenth and one half of the median particle size of the cement used in the cementitious composition.
L'invention se rapporte à un additif particulaire et un procédé de dispersion d'un mélange additionnel dans une composition cimentaire comprenant un ciment hydraulique, pour procurer une activation du mélange additionnel lors du mélange de la composition cimentaire avec de l'eau, dans laquelle les particules du mélange additionnel particulaire comprennent un excipient comprenant un produit chimique à base de pouzzolanes et une liaison de mélange additionnel à l'excipient particulaire dans lequel les particules des additifs présentent une taille de particule moyenne comprise entre un dixième et la moitié de la taille de particule moyenne du ciment utilisé dans la composition cimentaire.
Busck Christopher John
Chapman Nathan Jeremy
Gourley John Terry
Johnson Gregory Balfour
Mccormick Paul Gerard
Sim & Mcburney
The University Of Western Australia
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