Silicone backbone prepolymers for flame resistant polyurethanes
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United States of America Patent
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Mar 15, 2016
Grant Date -
Apr 24, 2014
app pub date -
Jun 14, 2012
filing date -
Jun 30, 2011
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Abstract
Embodiments of the invention provide for coatings that include the reaction product of at least a sodium silicate solution, at least one isocyanate reactive component having at least one of a hydroxyl and an amine functionality of between about 2 and about 4, at least one intumescent filler, at least one filler, optionally a suspension agent and at least one prepolymer having isocyanate functional groups. The prepolymer includes the reaction product of a prepolymer reaction mixture. The prepolymer reaction mixture includes at least one isocyanate, at least one polyol having an hydroxyl functionality of between about 2 and about 6, and at least one silicone surfactant having at least one isocyanate reactive moiety.
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