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US 12,734,389 B2Granted
Gel composition
AssigneeFlame Security International Pty Ltd
InventorKa Wai Fan
Life of this patent
Estimating the term…
Abstract
Flame retardant gel compositions containing nitrogen-containing blowing agents, phosphorus-containing acids, and compounds to promote the formation of insulating chars are provided. When applied to a substrate, the gels are useful in the reduction and containment of fire.
Claims20
A fire retardant gel composition comprising:
- from 15 wt. % to about 30 wt. % of a nitrogen-containing blowing agent, wherein the nitrogen-containing blowing agent comprises tris (hydroxymethyl)-aminomethane;
- from about 1 wt. % to about 15 wt. % of one or more phosphorus-containing acids;
- from about 1 wt. % to about 5 wt. % of one or more humectants;
- from about 0.1 wt. % to about 1 wt. % of one or more thixotropes;
- from about 1 wt. % to about 10 wt. % of one or more char expansion promoters;
- and
- a balance being water to 100 wt. %;
- wherein the gel composition expands on heating to form a char layer.
5 more elements
Dependencies are inferred from the claim text.