新型循环浸泡法对饱水木材的保护

doi:10.12066/j.issn.1007-2861.2703

上海大学学报(自然科学版) ›› 2025, Vol. 31 ›› Issue (5): 860-871.doi: 10.12066/j.issn.1007-2861.2703

• 材料科学 • 上一篇

新型循环浸泡法对饱水木材的保护

徐庆蒙^1,2,3, 朱金萌⁴, 董文强⁴, 罗宏杰^2,3

1. 上海健康医学院附属周浦医院, 上海 201318;
2. 上海大学文化遗产保护基础科学研究院, 上海 200444;
3. 上海大学材料科学与工程学院, 上海 200444;
4. 考古探测与文物保护技术教育部重点实验室(西北工业大学), 西安 710129

收稿日期:2025-06-17 发布日期:2025-11-12
通讯作者: 罗宏杰(1956-),男,教授,博士生导师,博士,研究方向为文化遗产保护. E-mail:hongjieluo@shu.edu.cn
基金资助:
上海市浦江人才计划资助项目(23PJ1403600);考古探测与文物保护技术教育部重点实验室(西北工业大学)开放课题基金资助项目(2023KFT04)

A new cyclic immersion method for the conservation of waterlogged wood

XU Qingmeng^1,2,3, ZHU Jinmeng⁴, DONG Wenqiang⁴, LUO Hongjie^2,3

1. Shanghai University of Medicine & Health Sciences A±liated Zhoupu Hospital, Shanghai 201318, China;
2. Institute for the Conservation of Cultural Heritage, Shanghai University, Shanghai 200444, China;
3. School of Materials Science and Engineering, Shanghai University, Shanghai 200444, China;
4. Key Laboratory of Archaeological Exploration and Cultural Heritage Conservation Technology, Northwestern Polytechnical University, Xi'an 710129, China

Received:2025-06-17 Published:2025-11-12

摘要/Abstract

摘要： 开发了一种新型循环浸泡法(cyclic immersion method,CIM)以提高保护材料在饱水木材中的渗透效率,该方法通过对木材进行安全部分失水后,将其浸入保护材料中,并重复这一过程以增强材料渗透效果.实验选用3种常用保护材料:聚乙二醇(polyethylene glycol,PEG)、天然生物基材料颗粒状纤维素纳米晶(cellulose nanocrystal,CNC)和水溶性壳寡糖(chitooligosaccharide,COS).通过比较保护前后木材样品的外观形貌、增重率、体积收缩率、色差表征,并结合X 射线衍射(X-ray diffraction,XRD)、傅里叶变换红外光谱(Fourier transform infrared spectroscopy,FTIR)和热重分析(derivative thermogravimetry,DTG)等手段,对CIM的有效性进行评估.结果表明,CIM 能显著提升保护材料在饱水木材中的渗透效果,其中PEG 尤为突出,增重率达102%,是传统浸泡法的2 倍以上,且木材收缩率极小,色差在可接受范围内.CIM 可提升保护材料在饱水木材中的渗透量,促进保护材料与饱水木材之间的相互作用,为保护材料在饱水木材中的高效渗透提供了一种有效方法.

关键词: 循环浸泡法, 饱水木材, 聚乙二醇, 纤维素纳米晶, 壳寡糖

Abstract: A new cyclic immersion method (CIM) is developed to enhance the penetration efficiency of conservation materials into waterlogged wood. CIM involves the controlled dehydration of wood followed by immersion into a conservation material, with the cycle repeated to enhance penetration. Three conservation materials, commonly used polyethylene glycol (PEG), natural particulate cellulose nanocrystal (CNC) and water-soluble chitooligosaccharide (COS), are tested. CIM's effectiveness is assessed through visual morphology, weight percent gain, volume shrinkage and color change, combined with X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR), and derivative thermogravimetry (DTG) analyses. Results show CIM significantly enhances material penetration, especially for PEG, which achieved a 102% weight gain, more than double that of TSM, with minimal shrinkage and an acceptable color change. CIM might promotes the formation of hydrogen bonds between conservation materials and wood, offering an efficient method for conservation material penetration.

Key words: cyclic immersion method, waterlogged wood, polyethylene glycol, cellulose nanocrystal, chitooligosaccharide

中图分类号:

K876.6

徐庆蒙, 朱金萌, 董文强, 罗宏杰. 新型循环浸泡法对饱水木材的保护[J]. 上海大学学报(自然科学版), 2025, 31(5): 860-871.

XU Qingmeng, ZHU Jinmeng, DONG Wenqiang, LUO Hongjie. A new cyclic immersion method for the conservation of waterlogged wood[J]. Journal of Shanghai University（Natural Science Edition）, 2025, 31(5): 860-871.

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新型循环浸泡法对饱水木材的保护

A new cyclic immersion method for the conservation of waterlogged wood

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