C - Chemistry – Metallurgy – 04 – B
Patent
C - Chemistry, Metallurgy
04
B
C04B 38/00 (2006.01) B28B 1/50 (2006.01) B28B 11/04 (2006.01) B28B 17/02 (2006.01) C04B 28/02 (2006.01) C04B 38/10 (2006.01) C04B 41/50 (2006.01) C04B 41/68 (2006.01)
Patent
CA 2144250
A method for the manufacture of a porous, mineral lightweight insulating board comprises the following steps: producing a binder slurry from cement, quartz powder, lime hydrate and water, preferably in a colloid mixer; producing a foam in a foam production unit from water, compressed air and an air entrainer; mixing the binder slurry and the foam to form a porous concrete sub- stance; homogenizing the porous concrete substance by means of a continuous mixer; discharging the porous concrete substance into a mold for the formation of a molded cake for the lightweight insulating board; initially stiffening the molded cake preferably in a ripening chamber; cutting the molded cake into individual lightweight insulating boards; and curing the lightweight insulating boards in an autoclave.
Dennert Frank
Dennert Veit
Marks & Clerk
Veit Dennert K.g. Baustoffbetriebe
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