Lightweight silicate aggregate

Details Lightweight silicate aggregate Lightweight silicate aggregate

1980-02-19

1983-08-02

Bell, Mark

Compositions: ceramic

Ceramic compositions

Pore-forming

106 75, C04B 2100, C04B 3102

Patent

active

043967230

ABSTRACT:
An improved process for the preparation of an expanded, water insoluble silicate aggregate. Anhydrous alkali metal silicate is hydrated in the presence of a curing agent, then is subjected to rapid thermal expansion. The process eliminates the use of liquid silicates, and the reaction is conducted in an essentially dry state. The expanded product has extremely low bulk density. When combined with a suitable binder and applied to various substrates, the aggregate functions as an excellent thermal barrier.

REFERENCES:
patent: 3663249 (1972-05-01), Rao
patent: 3719510 (1973-03-01), Temple et al.
patent: 3728208 (1973-04-01), Whittington
patent: 3743601 (1973-07-01), Rao
patent: 3756839 (1973-09-01), Rao
patent: 3765919 (1973-10-01), Gelbman
patent: 4080187 (1978-03-01), Parnell
patent: 4081392 (1978-03-01), Carosello
patent: 4131543 (1978-12-01), Carosello
patent: 4203773 (1980-05-01), Temple et al.

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