Lightweight hydrogel-bound aggregate shapes and process for prod

Details Lightweight hydrogel-bound aggregate shapes and process for prod Lightweight hydrogel-bound aggregate shapes and process for prod

1988-11-18

1990-10-16

Bell, Mark L.

Compositions: ceramic

Ceramic compositions

Pore-forming

501125, 501128, 104 75, 104 84, 2523155, 423181, 423203, 264 42, 264 48, C04B 3802, C04B 3518

Patent

active

049635158

ABSTRACT:
Hydrogel-bound aggregate lightweight building materials, such as blocks for use in replacement of lightweight concrete or extruded clay blocks, prepared by expanding and drying a foamable composition containing precursors for an alkali metal aluminosilicate hydrogel, fine grain particulate aggregates, and a viscosity-reducing agent sufficient to result in a starting slurry composition viscosity of less than 40,000 cps at a solids content of 70% by weight or greater.

REFERENCES:
patent: 1682675 (1928-08-01), Horsfidd
patent: 1761108 (1930-06-01), Degmarquist
patent: 1842186 (1932-01-01), McRerty
patent: 1880157 (1932-09-01), Selterberg
patent: 3762935 (1973-10-01), Leach
patent: 4059658 (1977-11-01), Shoop et al.
patent: 4071367 (1978-01-01), Kurz et al.
patent: 4217240 (1980-08-01), Bergna
patent: 4356271 (1982-10-01), Francis et al.
patent: 4357165 (1982-11-01), Helferich et al.
patent: 4721676 (1988-01-01), Kidd

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