Process for production of cellular concrete

Details Process for production of cellular concrete Process for production of cellular concrete

1985-04-15

1987-07-28

Dixon, Jr., William R.

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

106 88, 106315, 106 90, C04B 702

Patent

active

046830030

ABSTRACT:
A process for producing cellular concrete articles in the so-called pre-foam fashion, comprises molding a mixture (D) of a cement compound slurry (A) comprising calcium silicate and a rapid-hardening cement compound slurry (B) comprising calcium aluminate and an aqueous foamed liquid (C), and subjecting the molded article to hydrothermal curing, both the slurries (A) and (B) containing specified certain cement-setting retarders, respectively. By the synergistic effect of these two different retarders, an exotherm dwell period is provided in the initial setting stage of the foamed mixture (D).

REFERENCES:
patent: 4028125 (1977-06-01), Martin
patent: 4036659 (1977-07-01), Stude
patent: 4082561 (1978-04-01), Nakagawa et al.

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