Building elements and their preparation

Details Building elements and their preparation Building elements and their preparation

1981-09-08

1983-10-18

Lieberman, Allan

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Process of treating scrap or waste product containing solid...

106 83, 106 84, 264 37, 428407, 521 40, 521 49, 524450, C08J 1100, C08K 726

Patent

active

RE0314218

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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