Process for the manufacture of construction materials

Details Process for the manufacture of construction materials Process for the manufacture of construction materials

1996-10-15

1998-08-04

Marcheschi, Michael

Compositions: coating or plastic

Coating or plastic compositions

Inorganic settable ingredient containing

106672, 106680, 106735, 106772, 106792, 106799, 106820, 264299, 264349, C04B 2200, C04B 700, C04B 7345

Patent

active

057887616

ABSTRACT:
A process in which the conventional sulfate components in an aerated concrete mixture, such as gypsum, semihydrate or anhydrite, are replaced at least in part by calcium aluminum sulfates and/or calcium aluminate sulfate hydrates. As a result, agglomeration of the lime, retardation of the lime hydration, and aftergrowth of the cut aerated concrete cakes are reduced or even ruled out. In addition, the number of molds used can be reduced with the process in accordance with the invention, whereby the use of one single mold is achievable.

REFERENCES:
patent: 4082561 (1978-04-01), Nakagawa et al.
patent: 4419136 (1983-12-01), Rice
patent: 4655979 (1987-04-01), Nakano et al.
patent: 4769077 (1988-09-01), Crocker
patent: 5114487 (1992-05-01), Gartshore et al.
patent: 5234497 (1993-08-01), Crocker

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