Lime silicic acid mixtures and methods of making building materi

Details Lime silicic acid mixtures and methods of making building materi Lime silicic acid mixtures and methods of making building materi

1977-01-17

1978-09-19

Hayes, Lorenzo B.

Compositions: coating or plastic

Coating or plastic compositions

Proteinaceous material containing

106 40R, 106 69, 106 731, 106 86, 106 98, 106122, C04B 734

Patent

active

041151402

ABSTRACT:
Improved building compositions are prepared by including in CaO-containing components/SiO.sub.2 -containing components admixtures a small amount of chemically precipitates silicic acid containing flourine as an impurity.
A steam-cured building material preferably prepared by first pre-grinding sand with the chemically precipitated silicic acid and water, storing the resulting slurry for at least 0.5 hour and then mixing it with the CaO-containing component. The wet grinding and storing steps have been found to have a surprisingly favorable effect on the viscosity of the pumpable sand slurry and on the behavior of the risen mixture at the cutting.

REFERENCES:
patent: 2803556 (1957-08-01), Carlsson et al.
patent: 3331731 (1967-07-01), Baak
patent: 3652310 (1972-03-01), Kraemer et al.
patent: 3988402 (1976-10-01), Ueda et al.

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