Heat bonding polyurethane foams
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United States of America Patent
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Sep 17, 2013
Grant Date -
Aug 26, 2010
app pub date -
Jul 17, 2008
filing date -
Aug 1, 2007
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Abstract
A process for producing a laminate or composite structure comprises heat bonding a substrate to a polyurethane foam, wherein the polyurethane foam is produced using at least one natural oil derived polyol as at least a portion of the polyol used in making the polyurethane foam. The resulting laminate or composite structure comprises at least one foam produced from a polyol composition comprising at least one natural oil derived polyol and at least one substrate with the interface between the foam and substrate being that formed by heat bonding. The invention also includes any article comprising such a laminate or composite structure.
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