Hardened and fire retardant wood products
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United States of America Patent
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-
Mar 11, 1997
Issued Date -
N/A
app pub date -
Feb 2, 1996
filing date -
Jun 9, 1993
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Wood products impregnated with from 30 to 80% of a polymerizable monomer selected from the group consisting of hexanediol diacrylate and hexanediol dimethacrylate have excellent indent resistance. The wood products are impregnated with the monomer solution by placing the wood under a vacuum to remove air, contacting the wood with a monomer solution containing a polymerizable hexanediol diacrylate and/or hexanediol dimethacrylate monomer and from 0.5 to about 2 percent of a thermally activated free radical source as a polymerization initiator for a period sufficient to achieve the desired polymer loading. The wood is then heated under pressure to polymerize or cure the monomers.
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