Lightweight ceramic material for building purposes

Details Lightweight ceramic material for building purposes Lightweight ceramic material for building purposes

1990-02-01

1991-05-14

Group, Karl

Compositions: ceramic

Ceramic compositions

Pore-forming

501141, 501144, 252 62, C04B 3800

Patent

active

050156063

ABSTRACT:
Lightweight ceramic material for building purposes, particularly for bricks, plates and panels, as well as for using as an aggregate/filler material for lightweight building materials, characterized by a porosity of 50 to 300%, preferably 100 to 250%; a pH-value between 5 and 9, particularly 7 to 8; a bulk density of 300 to 700 g/l; which can be produced by firing a foamed mixture of clay or clays, optionally aggregate or aggregates, anionic or cationic surfactant or surfactants, deflocculant or deflocculants, and optionally a hydraulic binder, such as cement, at temperatures above 600.degree. C., process for the production thereof and the use thereof.

REFERENCES:
patent: 1998686 (1935-04-01), Parsons
patent: 2543987 (1951-03-01), Ramsay
patent: 3993498 (1976-11-01), Koekmoer
patent: 4275684 (1981-06-01), Kramer et al.
patent: 4318996 (1982-03-01), Magder
patent: 4341561 (1982-07-01), Britt et al.
patent: 4356271 (1982-10-01), Francis et al.
patent: 4424280 (1984-01-01), Malric

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