文档介绍：。五****勺司一孓封砰。》弋奄会刊高温热改性处理橡胶木的生物耐久性李晓文李家宁李民秦韶山林位夫摘要:以水蒸气作为保护气,在1 70"C,185。C,200。C和215"C的条件下分别热处理橡胶木5h,对热处理后橡胶木的耐久性能进行了研究。结果显示,高温热处理可提高橡胶木的耐腐朽性能,其改善效果随着处理温度的升高而提高。21 5"C处理5h后, %%,%%。橡胶木热处理材的防霉,陛能与素材无明显差异;经涂饰后,热处理材的防霉性能优于素材。高温热处理不能提高橡胶木的防白蚁性能。关键词:热处理;橡胶木;生物耐久性; Biological durability ofheat-treated rubber wood Xiaowen Li,Jianing Li,Min Li。Shaoshan qin,Weifu Lin Abstract:The durability ofrubber wood,which was treated at170℃,185℃,200℃,and 215℃each for results ofthe experiments show that the durability ofheat-treated rubber wood improved。and the higher the treated temperature reached the more durable ofthe treated lowest weight loss %and %after attacked by brown rot lungi and white rot fungi respectively,which was reached by the specimens treated at resistance tomold fungi not improved,but the conditions of heat-treated wood are better than untreated wood when both were fieldtest,the heat-treated specimens have no advantage intermite pared to untreated. Kaywords:heat-treated;rubberwood;biological durability;thermal wood; 橡胶木是橡胶树种植的重要副产品,每年橡胶树更新提供的原木超过100万立方,是我国重要的人工林资源。橡胶木颜色淡雅、纹理美观、加工性能良好,是人工林中材质性能较高的树种,但是橡胶木中的糖、蛋白质、灰分等含量远高于其它树种,使其容易腐朽、霉变、蓝变以及虫蛀,不进行防腐处理很难加以利用。传统的处理工艺是采用硼砂、硼酸作为防腐剂,配以合适的防霉剂,以真空加压法处理,使之达到理想的防腐、防霉性能。高温热处理是近年研究较多的木材处理工艺,经高温处理后iT使木材的化学成分改变,使木材颜色变深,尺寸稳定性提高,并nr显著提高木材的耐腐朽性蒯“。本文参考芬兰的木材热