摘要
本文以高温软化和瞬时降压之方法对三种桉材（Ｅｕｃａｌｙｐｔｕｓ）进行了汽蒸热处理试验。结果表明：除赤桉（Ｅ·Ｃａｍａｌｄｕｌｅｎｓｉｓ）外，热处理后的桉材导管壁上纹孔膜出现了不同程度的破裂，甚至脱落为空洞。其渗透性能得到了较明显的改善。其中以１４０℃、５ｈ的热处理效果为佳。
In this paper,three species of Eucalyptus wood were subjected toheat treatment by means of softening with hight temperature and lowering pre-sure instantaneously,The result showed that,except longbeak Eucalyptus,after heat treatment pit membrances on the vessel walls of Eucalyptus woodgot broken to some extent,or even holes appeared as the membrances broppedout.Thus,permeability of the treated、 wood got improved noticeably.Of thetested conditions,140℃ and 5 hours treatment Produced the best result.
出处
《木材工业》
北大核心
1994年第3期30-33,44,共5页
China Wood Industry
关键词
桉材
热处理
渗透性
改性
Eucalyptas wood
Heat treatment
Permeability
