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US 10,407,576 B2Granted
Water repellent spray applied fire resistive materials
AssigneeUnited States Mineral Products Company
InventorQinghua Li
Life of this patent
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Abstract
The present disclosure relates to water repellent coating compositions, kits and methods of applying the same, for use as fireproofing materials. The water repellent spray applied fire resistant material contains an latex polymer(s), such as a vinyl acetate/ethylene copolymer, a silicone, such as methoxy-functional polysiloxane, or both to reduce or eliminate the effect of water damage to the SFRM and underlying substrate.
Claims11
A method of producing a fireproofing composition, the method comprising:
- (i) forming a slurry comprising a binder, at least one latex polymer, at least one silicone, and water;
- (ii) conveying the slurry to a length of hose;
- and
- (iii) introducing an amount of gas into the slurry in the length of hose at a flow rate and pressure sufficient to cause the slurry to foam and to convey the foam through the length of hose.
1 more element
Dependencies are inferred from the claim text.