超临界CO2在木材处理中的应用现状  

Application status of supercritical CO2 in wood treatment

作　　者：朱宏跃 银建中[1] ZHU Hongyue;YIN Jianzhong(School of Chemical Engineering,Dalian University of Technology,Dalian 116024,China)

机构地区：[1]大连理工大学化工学院,辽宁大连116024

出　　处：《应用科技》2020年第1期105-112,共8页Applied Science and Technology

基　　金：国家自然科学基金项目(U1662130).

摘　　要：超临界CO2流体技术在萃取、喷涂、清洗、药物制备等领域已得到广泛研究、发展和应用。为了总结超临界流体技术在木材处理中的应用情况,本文在总结影响木材渗透性因素的基础上,概述了超临界CO2在改善木材渗透性,以及包括在木材染色、脱毒、防腐、干燥和脱水等功能性改良方面的一些应用现状。结果表明:超临界CO2在木材干燥、脱毒、染色和文物保护等方面的应用中显示出独特的优势。该技术将为木材科学的研究提供一定的理论基础。Supercritical CO2 fluid technology has been widely studied,developed,and applied in the fields of extraction,spraying,cleaning,pharmaceutical preparation and other fields.On the basis of summarizing the factors affecting wood permeability,this paper summarizes some applications of supercritical CO2 in improving wood permeability,including some improvements in wood functions,such as wood dyeing,detoxification,preservation,drying and dehydration,etc.The results indicate that supercritical CO2 shows unique advantages in wood drying,detoxification,dyeing and protection of cultural relics.This technology will provide a certain theoretical basis for the study of wood science.

关 键 词：超临界CO2 木材 渗透性 改性 染色 脱毒 防腐 干燥 脱水 

分 类 号：TQ02[化学工程]