木材防腐剤の防腐性能の評価に及ぼす培養時の光条件の影響(第1報)光照射が無処理木材試験片の質量減少率に及ぼす影響

書誌事項

タイトル別名
  • Influence of the light conditions during wood decay on the evaluation of preserving performance with the laboratory decay test designated in JIS K 1571-2004 (Part 1) Influence of the light irradiation on the mass losses of untreated wood specimens
  • モクザイ ボウフザイ ノ ボウフ セイノウ ノ ヒョウカ ニ オヨボス バイヨウジ ノ ヒカリ ジョウケン ノ エイキョウ ダイ1ポウ ヒカリ ショウシャ ガ ムショリ モクザイ シケンヘン ノ シツリョウ ゲンショウリツ ニ オヨボス エイキョウ
  • (Part 1) Influence of the light irradiation on the mass losses of untreated wood specimens
  • (第1報)光照射が無処理木材試験片の質量減少率に及ぼす影響

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説明

We investigated the light conditions during the decaying procedure with the laboratory test designated in the Japanese Industrial Standard (JIS) K 1571-2004. Experiments were performed using the sapwood of Japanese cedar (Cryptomeria japonica D. Don). The results obtained were as follows :<BR>(1) The mass losses of the untreated wood specimens depended on the light irradiation time during the incubation of Fomitopsis palustris (Berk. et Curt.) Gilbn. & Ryv.). Even greater mass losses occurred after 10 days of culturing under light irradiation and the mass lost about 60% (maximum value) in the 60 days of culturing.<BR>(2) The mass losses were great when culturing was performed using 900ml mayonnaise bottles with screw caps equipped with the range 25-40mm inside diameter of glass tubes as aeration conditions during the incubation of Trametes versicolor (L. : Fr. ) Pilát. Even greater mass losses occurred after 45 days of culturing under the light-shield condition. Also, the wood decay was inhibited by the light irradiation and the irradiation acted to shorten the periods of the mass losses during the incubation of the fungus.<BR>(3) These results may extensively influence the evaluation of the preserving performance of wood preservatives using the laboratory decay test designated in JIS K 1571-2004.

収録刊行物

  • 木材保存

    木材保存 32 (2), 45-50, 2006

    公益社団法人 日本木材保存協会

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