Modification of wood with hydrophilic prepolymers
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United States of America Patent
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Aug 28, 2012
Grant Date -
Mar 18, 2010
app pub date -
Dec 4, 2007
filing date -
Dec 4, 2006
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Abstract
A composition for modification of wood products is disclosed. The composition contains a prepolymer formed by the reaction of a polyfunctional hydrophilic polymer of high molecular weight and a crosslinking agent. The composition may also contain a prepolymer formed by the reaction of a sugar and a crosslinking agent. Modification of the wood product may result in one or more of: improved stiffness, strength, surface hardness, dimensional stability, water resistance, flame retardancy, and biological resistance.
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