| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a high strength worked lumber whose strength can be more increased, and a method for producing the same.SOLUTION: Provided is a high strength worked lumber obtained through: a solution preparation step S2 in which vanillin is diffused into a solvent to obtain a solution with a prescribed concentration; an immersion step S3 in which, while a lumber is immersed into the solution obtained in the solution preparation step S2, pressure is reduced, and deaeration is performed to soak the solution into the inside structure of the lumber and a vascular bundle; and a drying step S4 in which the lumber obtained in the immersion step S3 is dried.</p> |
