Patent ID: 6419737
Filing Date: 2002-07-16
Classification: C04B,Y02P,Y02W

Abstract:
A cementitious matrix comprising an alumino silicate polymer comprising:a liquid component comprising an aqueous solution of an alkali metal silicate having the formula M2O.RSiO2.XH2O, wherein: M is an alkali metal monovalent cation; R is the molar ratio of SiO2/M2O, wherein the molar ratio is between 0.5/1 and 9/1; and X is the amount of water in the liquid component, where the amount of water in the liquid component is between 30 and 70 wt %; and a powder component which comprises: silico-aluminous reactive raw materials comprising Al6Si2O13 and Al2O3.4SiO2 with a relative proportion ranging from 40 to 60 wt %, the particle size of both components ranging from 50 to 70 microns and zirconium silicate flour having a particle size ranging from 50 to 70 microns, wherein the zirconium silicate flour comprises between 1 and 25 wt % of the total weight of the powder component