C - Chemistry – Metallurgy – 04 – B
Patent
C - Chemistry, Metallurgy
04
B
C04B 14/10 (2006.01) C04B 7/12 (2006.01) C04B 18/02 (2006.01) C04B 28/02 (2006.01) C04B 28/04 (2006.01)
Patent
CA 2369581
In one embodiment, the present invention relates to a cement-based composition containing at least one cementitious material and at least one highly reactive pozzolan, wherein the highly reactive pozzolan comprises spray-dried metakaolin. In another embodiment, the present invention relates to a cement-based composition containing at least one cementitious material and at least one highly reactive pozzolan, wherein the highly reactive pozzolan is characterized as comprised of agglomerated beads of microparticles, the agglomerated beads having a median diameter of at least about 10 microns and the microparticles having a median diameter of about 5 microns or less.
Selon un mode de réalisation, l'invention concerne une composition à base de ciment, contenant au moins un matériau à base de ciment, et au moins un pouzzolane hautement réactif, ledit pouzzolane comprenant du métakaolin séché par pulvérisation. Selon au autre mode de réalisation, l'invention concerne une composition à base de ciment, contenant au moins un matériau à base de ciment, et au moins un pouzzolane hautement réactif, ledit pouzzolane étant caractérisé en ce qu'il comprend des billes de microparticules agglomérées possédant un diamètre médian d'environ au moins 10 microns, les microparticules possédant un diamètre médian d'environ 5 microns ou moins.
Gruber Karen Ann
Hen John
Engelhard Corporation
Sim & Mcburney
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