| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an improved lumber wherein a wood part of an oil palm is used as a raw material and which has good dimensional stability, free from scuffing, resistant to putrefaction, and has high utility value. Ž<P>SOLUTION: The improved lumber is a lumber wherein a lignin or a modified product of a lignin is added to a wood part of an oil palm, and after that, a heat treatment is performed. Furthermore, the method of manufacturing the improved lumber is a method wherein a lignin or a modified product of a lignin is dissolved in a solvent, a wood part of an oil palm is impregnated or poured therewith, and after that, a heat treatment is performed. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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