Coating processes – Coating pavement or the earth
Patent
1983-12-21
1984-10-09
Foelak, Morton
Coating processes
Coating pavement or the earth
521 78, 521 79, 521131, 521154, 521910, C08J 930
Patent
active
044761597
ABSTRACT:
Access to a space is impeded by generation of a sticky foam from a silicone polymer and a low boiling solvent such as a halogenated hydrocarbon. In a preferred aspect, the formulation is polydimethylsiloxane gel mixed with F502 Freon as a solvent and blowing agent, and pressurized with CO.sub.2 in a vessel to about 250 PSI, whereby when the vessel is opened, a sticky and solvent resistant foam is deployed. The foam is deployable, over a wide range of temperatures, adhering to wet surfaces as well as dry, is stable over long periods of time and does not propagate flame or lose adhesive properties during an externally supported burn.
REFERENCES:
patent: 3912665 (1975-10-01), Spitzer et al.
patent: 4202279 (1980-05-01), Rand
patent: 4229548 (1980-10-01), Sattlegger et al.
patent: 4328319 (1982-05-01), Osipow et al.
patent: 4422877 (1983-12-01), Spitzer et al.
Mead Judith W.
Montoya Orelio J.
Rand Peter B.
Willan Vernon O.
Esposito Michael F.
Foelak Morton
McMillan Armand
Sopp Albert
The United States of America as represented by the United States
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