Foam composites

Details Foam composites Foam composites

1980-11-24

1982-05-18

Foelak, Morton

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521 54, 521 91, 521134, 521141, 521149, 523218, 523219, C08J 930

Patent

active

043306349

ABSTRACT:
The invention relates to the production of foam composites which are thermally insulating and light and therefore suitable for use as e.g. ceiling tiles, wall tiles and brick insulation.
The aim of the invention is to produce a light, strong composite as cheaply as possible. The method comprises reacting, in the presence of water and poly(vinyl alcohol), hollow silica spheres with a water-soluble organic polyacid and then allowing or causing the resulting composite to set.

REFERENCES:
patent: 3775351 (1973-11-01), Sachs
patent: 3965051 (1976-06-01), Marbusch et al.
patent: 4137198 (1979-01-01), Sachs

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