HRP20181382 (T1)

Ultra-fast setting cement based on amorphous calcium aluminate

(22) 28.08.2018

(43) 19.10.2018

(57) Summary of the corresponding patent WO2015173525 (A1): The invention relates to an ultra-fast setting cement composition comprising at least amorphous calcium aluminate comprising by weight relative to the total weight of the amorphous calcium aluminate: (a) 35 to 55 % calcium oxide CaO (C); (b) 19 to 55 % alumina AI2O3 (A), the molar ratio C/A being greater than or equal to 1.5; and (c) 0 to 10 % silica SiO2, characterized in that the amorphous calcium aluminate comprises: (d) 5 to 16 % iron oxide Fe2O3. The invention also relates to a method of producing the cement composition and to its uses.

(71) Kerneos (FR)

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