Surface chemical composition analysis of heat-treated bamboo

被引：178

作者：

Meng, Fan-dan ^{[1
]}

Yu, Yang-lun ^{[2
]}

Zhang, Ya-mei ^{[2
]}

Yu, Wen-ji ^{[2
]}

Gao, Jian-min ^{[1
]}

机构：

[1] Beijing Forestry Univ, MOE Key Lab Wooden Mat Sci & Applicat, 35 Qinghua East Rd, Beijing 100083, Peoples R China

[2] Chinese Acad Forestry, Res Inst Wood Ind, 1 Dongxiaofu, Beijing 100091, Peoples R China

来源：

APPLIED SURFACE SCIENCE | 2016年 / 371卷

关键词：

Heat-treated; Bamboo slivers; Chemical composition; FTIR; XPS; RAY PHOTOELECTRON-SPECTROSCOPY; MECHANICAL-PROPERTIES; BROWN-ROT; STRUCTURAL-ANALYSIS; THERMAL-TREATMENT; HIGH-TEMPERATURE; WHITE-ROT; WOOD; FTIR; XPS;

D O I：

10.1016/j.apsusc.2016.03.015

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

In this study, the effect of heat treatment on the chemical composition of bamboo slivers was studied. The chemical properties of the samples were examined by chemical analysis. Results showed a decrease in the contents of holocellulose and alpha-cellulose, as well as an increase in the contents of lignin and extractives. Changes in the chemical structure of bamboo components were analyzed by Fourier transform infrared spectroscopy (FTIR) and X-ray photoelectron spectroscopy (XPS). FTIR spectroscopy results indicated that hemicellulose contents decrease, whereas lignin contents increase after heat treatment. Ester formation linked to lignin decreased the hygroscopicity of the bamboo samples and consequently improved their dimensional stability and durability. XPS spectroscopy results showed that hemicelluloses and celluloses are relatively more sensitive to the heating process than lignin. As a consequence, hemicellulose and cellulose contents decreased, whereas lignin contents increased during heat treatment. The results obtained in this study provide useful information for the future utilization of heat-treated bamboo. (C) 2016 Elsevier B.V. All rights reserved.

引用

页码：383 / 390

页数：8

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