| Budget Amount *help |
¥4,290,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥990,000)
Fiscal Year 2012: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2011: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2010: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
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| Research Abstract |
Wood preservative semi-transparent coating was applied to sugi heartwood with different penetration depths to examine the effects of coating penetration on the weatherability performance. Specimens were subjected to outdoor exposure and accelerated weathering tests. The results showed that weatherability of coated wood was more improved for the specimens penetrated by coating resin to a depth of 600 μm than those to a depth of 300 μm, as long as the penetration of pigment was superficial, suggesting that deeper resin penetration is desirable for the development of better weatherability performance.
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