Spray foams containing non-halogenated fire retardants
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United States of America Patent
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Dec 22, 2020
Grant Date -
Feb 1, 2018
app pub date -
Oct 11, 2017
filing date -
Jul 18, 2014
priority date (Note) -
In Force
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Abstract
A spray foam formulation used to form a spray foam insulation layer in a wall structure is described. The formulation may include the reaction product of a polyisocyanate compound and a polyol compound; a fire retardant chosen from at least one of a non-halogenated fire retardant; and a reactive halogen-containing fire retardant, and a carbohydrate. The spray foam insulation layer has an insulative R value of 3.0 to 7.2 per inch, and a density of between about 0.3 to about 4.5 pcf. Further, spray foam insulation made from the spray foam formulation may have fire retardant characteristics that are equivalent to or better than a similar spray insulation foam insulation using non-reactive halogenated fire retardants such as tris(1-chloro-2-propyl)phosphate (TCPP).
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Cited Art Landscape
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