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US 12,674,061 B2Granted
Paint composition
AssigneeFlame Security International Pty Ltd
InventorsWinny Fam, Arslan Khalid
Life of this patent
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Abstract
Fire retardant paint compositions comprising polymeric binders derived from vinyl ester monomer, polyphosphate salts, nitrogen containing blowing agents, and charring agents are provided. When applied to substrates the paint compositions form durable coatings useful in protecting the substrates from fire.
Claims18
A fire retardant paint composition comprising:
- a) about 8 to about 20 wt. % of a terpolymer comprising vinyl acetate, ethylene, and vinyl ester;
- b) about 15 to about 35 wt. % of one or more polyphosphate salts having a solubility in water of less than about 2 wt. % at 20° C.;
- c) about 20 to about 40 wt. % water;
- d) about 5 to about 15 wt. % of melamine as a blowing agents;
- and
- e) about 5 to about 15 wt. % of dipentaerythritol as a charring agent;
- based on a total weight percent of the paint composition.
4 more elements
Dependencies are inferred from the claim text.