Method and apparatus for producing lightweight cellular material

Details Method and apparatus for producing lightweight cellular material Method and apparatus for producing lightweight cellular material

1982-07-19

1984-04-17

Foelak, Morton

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521 65, 521 68, 521 70, 521 91, 521134, 521145, 524 2, 524 7, C08J 930

Patent

active

044435622

ABSTRACT:
A process for making a lightweight structural member or insulating coating uses an initial mixture of hydrated lime, a dispersible additive, rock wool and, optionally an aggregate. This mixture has added to it water, and the water/solids mixture is agitated at high speed to produce a castable slurry having 60-80 volume percent air bubbles. The mixing is desirably conducted in a mixer having a cylindrical chamber and using paddles which rotate about their own axis and wherein there is movement of the chamber wall relative thereto, and the blades desirably scrape the chamber wall during such relative rotation.

REFERENCES:
patent: 3141857 (1964-07-01), Sommer
patent: 3711431 (1973-01-01), Vargiu
patent: 3775351 (1973-11-01), Sachs
patent: 4057526 (1977-11-01), de Rook

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