石油蜡对山毛榉材尺寸稳定性的影响

doi:10.3969/j.issn.1000-2006.2016.05.023

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南京林业大学学报（自然科学版） ›› 2016, Vol. 59 ›› Issue (05): 143-147.doi: 10.3969/j.issn.1000-2006.2016.05.023

石油蜡对山毛榉材尺寸稳定性的影响

关健,何正斌,伊松林^*

北京林业大学材料科学与技术学院,木材科学与工程北京市重点实验室,北京 100083

出版日期:2016-10-18 发布日期:2016-10-18
基金资助:
收稿日期:2015-05-26 修回日期:2015-10-13
基金项目: 国家林业公益性行业科研专项项目(201404502)
第一作者:关健(gjbjfu@126.com)。*通信作者:伊松林(ysonglin@126.com),教授。
引文格式:关健,何正斌,伊松林. 石油蜡对山毛榉材尺寸稳定性的影响[J]. 南京林业大学学报(自然科学版),2016,40(5):143-147.

Influence of different paraffin wax impregnation on the dimensional stability of beech wood

GUAN Jian,HE Zhengbin,YI Songlin^*

College of Materials Science and Technology,Beijing Forestry University,Key Laboratory of Beijing for Wood Materials and Engineering, Beijing 100083, China

Online:2016-10-18 Published:2016-10-18

摘要/Abstract

摘要： 以山毛榉材为试验材料,探究在烘箱温度为130 ℃,处理时间分别为2、4 h的条件下,低熔点石蜡、较高熔点SX105号石蜡和85^#微晶蜡3种不同类型石油蜡注蜡处理对试材尺寸稳定性的影响。结果表明:在相同的温度和处理时间条件下,注蜡处理材的尺寸稳定性优于未处理材,高熔点石油蜡处理材的优势更加明显; 3种石油蜡注蜡处理后的试材与未处理材相比,尺寸稳定性改善效果差异较大,其中微晶蜡处理材的尺寸稳定性改善效果最佳。另外,电镜观察发现,石油蜡进入了山毛榉材的表层并将细胞等组织填充,从而提高木材的尺寸稳定性。对样本弦向尺寸稳定性变化的数据进行理论回归,得到了不同石油蜡类型和处理时间下山毛榉材的尺寸稳定性理论模型,经检验,尺寸稳定性与石油蜡熔点、注蜡时间密切相关,相关系数为0.956 5。

Abstract: In order to explore the influence of different paraffin wax impregnation on dimensional stability of beech wood, beech wood samples were treated for 2 h or 4 h at 130 ℃ with various paraffin waxes, and the dimension of the samples were recorded subsequently. The results indicated that, with the same temperature and processing time, the dimensional stability of treated samples were improved than the untreated samples. The improvement was even more obvious for impregnation with the high melting point wax. In the dimensional stability measurement, there were large differences among the experimental samples before and after the paraffin wax impregnation. When beech wood samples were impregnated with 85^# microcrystalline wax, the dimension of the samples was most stable. Furthermore, the electron microscopy revealed that, when paraffin wax was impregnated into the surface layer of beech wood, the wax filled the wood cells and other tissues, which could be the reason for the improvement of the wood dimensional stability.

中图分类号:

S781. 62

关健,何正斌,伊松林. 石油蜡对山毛榉材尺寸稳定性的影响[J]. 南京林业大学学报（自然科学版）, 2016, 59(05): 143-147.

GUAN Jian,HE Zhengbin,YI Songlin. Influence of different paraffin wax impregnation on the dimensional stability of beech wood[J].Journal of Nanjing Forestry University (Natural Science Edition), 2016, 59(05): 143-147.DOI: 10.3969/j.issn.1000-2006.2016.05.023.

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石油蜡对山毛榉材尺寸稳定性的影响

Influence of different paraffin wax impregnation on the dimensional stability of beech wood

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