Flame-retardant building materials and method for making same

Details Flame-retardant building materials and method for making same Flame-retardant building materials and method for making same

1982-01-21

1983-08-16

Kittle, John E.

Compositions

Electrolytes for electrical devices

252607, 428920, 428921, 106 1814, C04B 4312, E04B 194, E04B 174

Patent

active

043990460

ABSTRACT:
The building material of the invention, which is in a disintegrated fluffy form and suitable for shaping into a board for walls and ceilings or as a blow-on or blow-in insulating material having excellent performance as heat and sound insulation, comprises essentially a disintegrated organic fibrous material, e.g. disintegrated scrapped paper and gel-like aluminum hydroxide uniformly blended with the fibrous material together with a flame retardant agent which is preferably an inorganic phosphate such as sodium phosphate and disodium hydrogen phosphate and, optionally, with a waterproofing agent. The building material is prepared by first mixing the organic fibrous material with an aqueous solution of the phosphate and then with an aluminum hydroxide sludge obtained as a noxious industrial waste in aluminum-processing industries employing surface anodization followed by drying and disintegration.

REFERENCES:
patent: 2353271 (1944-07-01), Schuh
patent: 2386471 (1945-10-01), Jones et al.

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