C - Chemistry – Metallurgy – 04 – B
Patent
C - Chemistry, Metallurgy
04
B
C04B 24/32 (2006.01) C04B 24/00 (2006.01) C04B 24/16 (2006.01) C04B 24/24 (2006.01) C04B 28/02 (2006.01)
Patent
CA 2495811
A dry cast article and method for making the same, wherein the dry cast article includes an oligomeric dispersant that is a reaction product of two or three moieties is provided. To make a dry cast article, hydraulic cement, water, coarse aggregate, fine aggregate, optionally a surface active agent/air entraining agent, and an oligomeric dispersant are mixed and used to form a dry cast article from the mixture.
L'invention concerne un article coulé en moule étuvé et un procédé de fabrication de celui-ci. L'article comprend un dispersant oligomère qui est un produit de réaction de deux ou de trois fractions. Pour fabriquer cet article, on mélange du ciment hydraulique, de l'eau, un gros granulat, un granulat fin, éventuellement un agent à surface active/entraîneur d'air et un dispersant oligomère ; et on utilise le mélange obtenu pour former un article coulé en moule étuvé.
Brower Lynn E.
Bury Jeffrey R.
Danko Frank
Lu Runhai
Packe-Wirth Rainer
Construction Research & Technology Gmbh
Gowling Lafleur Henderson Llp
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