Fire Extinguishing Core
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United States of America Patent
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Issued Date -
Jun 28, 2012
app pub date -
Aug 25, 2011
filing date -
Aug 25, 2010
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Abstract
A fire extinguishing adhesive film includes outer layers of adhesive and an inner fire extinguishing core comprising a layer of resin containing a high concentration of fire retardant. Low levels of fire retardant may be blended into the adhesive layers, although it is preferred that the adhesive be pure. Polyurethane resin allows for a fire retardant loading of 86% by weight in the fire extinguishing core, and therefore provides significantly higher yields of fire retardant per unit area of the film without compromising adhesive performance.
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