COMPOSITE FROM HEMICELLULOSE EXTRACTED WOOD WITH IMPROVED PERFORMANCE AND REDUCED EMISSIONS
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United States of America Patent
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Issued Date -
Dec 1, 2011
app pub date -
Nov 23, 2010
filing date -
Nov 23, 2009
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Abandoned
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Abstract
A composite article includes cellulosic strands and binder, the strands having been extracted to remove hemicellulose. In certain embodiments, the cellulosic strands are wood strands. The article may have reduced production of volatile organic compound emissions compared to the same article made with non-extracted strands. Also, the article may have improved performance after exposure to moisture. A method of manufacturing a composite article comprising extracting cellulosic strands to remove hemicelluose, and forming a composite which includes the strands and a binder. In certain embodiments, the extraction is a hot water extraction.
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