Building elements and their preparation

Details Building elements and their preparation Building elements and their preparation

1978-03-24

1980-03-04

Person, Sandra M.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

106 83, 260 39R, 264 37, 428407, C08J 1100

Patent

active

041916670

ABSTRACT:
An improved building material element or board having good thermal insulation properties comprising expanded vermiculite granules coated with 2 to 30% by weight, based on the weight of vermiculite, with an organic binder formed into a press cake which is then press heated to form the building element, the improvement comprising that at least a portion of the coated vermiculite granules are recycled particles which increases the density and has a more uniform and more easily sized surface and a process for its preparation.

REFERENCES:
patent: 1831779 (1931-11-01), MacDonald
patent: 1963030 (1934-06-01), Powell
patent: 3736277 (1973-05-01), Bender
patent: 4093488 (1978-06-01), Kirsch et al.

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