AAC温冷浴処理による簡易防腐処理の検討(第1報)

  • 栗崎 宏
    富山県林業技術センター 木材試験場

書誌事項

タイトル別名
  • Applying of hot and cold bath process with alkyl ammonium compound for a simplified preservative treatment (I)
  • AACオンレイヨク ショリ ニ ヨル カンイ ボウフ ショリ ノ ケントウ ダイ1ポウ

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抄録

To evaluate the effectiveness of hot and cold (H-C) bath process with AAC, laboratory tests were conducted under various conditions, i. e. preservative chemicals, hot bath conditions, species and moisture contents of wood, then absorption and penetration of preservative solution were measured. The results were as followed ;<BR>1) Absorption of preservative solutions obtained by H-C bath process was greater than that by dipping processs or vacuum process. Absorption attained in H-C bath process with AAC was greater than those with creosote or emulsified copper naphthenate. When air-dried Sugi sapwood was treated by H-C bath process with AAC, absorption and penetration area of AAC solution were 540kg/m3 and 76%, respectively.<BR>2) In H-C bath process, absorption and penetration were varied by hot bath conditions. Hot bathing with boiling water gave greater absorption and penetration than hot AAC bathing.<BR>3) Absorption was also varied by wood species. In H-C bath process, absorption of AAC solutionexceeded 400kg/m3 in air-dried sapwood of Sugi and Scotch pine, whereas absorption in heartwood of Sugi and sapwood of Hinoki was about 100kg/m3.<BR>4) In Sugi sapwood, absorption of AAC solution by H-C bath process reduced at higher moisturecontents, but sufficient absorption was attained at moisture contents levels under 30%.<BR>From these results, H-C bath process with AAC can be applied for dried Sugi sapwood as a simplified preservative treatment.

収録刊行物

  • 木材保存

    木材保存 30 (6), 250-258, 2004

    公益社団法人 日本木材保存協会

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