Light-weight aggregate

Details Light-weight aggregate Light-weight aggregate

1984-11-07

1986-11-25

Yarbrough, Amelia B.

Compositions: coating or plastic

Materials or ingredients

Miscellaneous

106122, 106DIG1, C04B 1400

Patent

active

046247114

ABSTRACT:
A light-weight aggregate, for use in production of light-weight structural products, composed of a self-hardening fly ash, a surfactant foam, and optionally an accelerator and additives. The self-hardening fly ash is preferably class C fly ash formed by the combustion of sub-bituminous coal from the Power River Basin. The surfactant foam is preferably an anionic sulfate surfactant foam. The accelerator is preferably an extract of silica fume dust. The additives may include magnesium and boron compounds, other fly ashes, light-weight fillers, polymers, cement and magnesium silicate and like materials.

REFERENCES:
patent: 2987411 (1961-06-01), Minnick
patent: 3141857 (1964-07-01), Sommer
patent: 3814614 (1974-06-01), Kraemer et al.
patent: 4321243 (1982-03-01), Cornwell et al.
patent: 4429456 (1984-01-01), Gillott et al.
patent: 4501830 (1985-02-01), Miller et al.

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