Influence of carboxylic acids on fixation of copper in wood impregnated with copper amine based preservatives

被引：0
|
作者：
M. Humar
P. Kalan
M. Šentjurc
F. Pohleven
机构：
[1] University of Ljubljana,Biotechnical Faculty, Department of Wood Science and Technology
[2] Slovenian Forestry Institute,undefined
[3] Institute Jozef Stefan,undefined
来源：
Wood Science and Technology | 2005年 / 39卷
关键词：
Electron Paramagnetic Resonance; Carboxylic Acid; Electron Paramagnetic Resonance Spectrum; Ethanolamine; Octanoic Acid;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The importance of copper/amine based preservatives is increasing. Leaching of copper from wood preserved with these solutions is still higher than leaching from wood impregnated with copper chromium ones. In order to decrease leaching, different carboxylic acids (octanoic, 2-ethylhexanoic, decanoic) were added to copper/amine/boron aqueous solutions. An experiment of leaching of copper from Norway spruce was performed according to the modified standard procedure (EN 1250). Results confirmed that carboxylic acids significantly improve copper fixation. The best fixation was determined in specimens impregnated with the preservative solutions consisting of copper, ethanolamine, boric acid and octanoic acid. From such wood, only 1.6% of copper was leached.
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页码：685 / 693
页数：8
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