Process of producing modified wood
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United States of America Patent
Stats
-
May 23, 1989
Grant Date -
N/A
app pub date -
Jul 22, 1987
filing date -
Dec 11, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A process of producing modified wood by impregnating dried wood with a mixed solution composed of phthalic anhydride as a polybasic acid anhydride and epichlorohydrin as an epoxy compound at a mol ratio of 1:1 to 1:30 by dipping the wood in the mixed solution, withdrawing the impregnated wood from the mixed solution, and heating the wood to a temperature of from 60.degree. C. to 180.degree. C. to simultaneously adding phthalic anhydride and epichlorohydrin to the hydroxyl groups of the wood. By the process of this invention, excellent dimensional stability and weather resistance can be imparted to the wood while retaining the properties specific to the wood.
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- Non-US Classification not provided for expired patents
Cited Art Landscape
Patent Citation Ranking
- Citation Ranking not provided for expired patents
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