Oxygen plasma-treated enzymatic hydrolysis lignin as a natural binder for manufacturing biocomposites

被引：22

作者：

Zhou, Xiaoyan ^{[1
,2
]}

Tang, Lijuan ^{[1
]}

Zheng, Fei ^{[1
]}

Xue, Gi ^{[2
]}

Du, Guanben ^{[3
]}

Zhang, Weidong ^{[1
]}

Lv, Chenglong ^{[1
]}

Yong, Qiang ^{[1
]}

Zhang, Rong ^{[1
]}

Tang, Bijun ^{[1
]}

Liu, Xueyuan ^{[1
]}

机构：

[1] Nanjing Forestry Univ, Coll Wood Sci & Technol, Nanjing 210037, Jiangsu, Peoples R China

[2] Nanjing Univ, Sch Chem & Chem Engn, Nanjing 210008, Peoples R China

[3] SW Forestry Univ, Kuming, Peoples R China

来源：

HOLZFORSCHUNG | 2011年 / 65卷 / 06期

基金：

中国国家自然科学基金;

关键词：

enzymatic hydrolysis lignin (EHL); fiberboard; lignin; oxidation; oxygen plasma; plasma; CHEMICAL-CHANGES; KRAFT LIGNIN; BEECH WOOD; SURFACE; BOARDS; PAPER;

D O I：

10.1515/HF.2011.093

中图分类号：

S7 [林业];

学科分类号：

0829 ; 0907 ;

摘要：

This paper describes the investigation of the oxygen plasma treatment of enzymatic hydrolysis lignin (EHL) that was obtained from the lignocellulosic ethanol production processes. The application of EHL as a natural binder for biocomposite product manufacturing was in focus. To understand the effects of oxygen plasma treatment, the chemical changes on the surface of EHL were evaluated by Fourier transform infrared (FTIR) spectroscopy, X-ray photoelectron spectroscopy (XPS), and electron spin resonance (ESR) spectroscopy. Adding EHL into the cotton-stalk fiberboards has a beneficial effect on physical and mechanical properties. Moreover, adding oxygen plasma-treated EHL produced a 69.2% increase of internal bond strength (IB), a 78.2% increase of modulus of rupture (MOR), and a 49.8% reduction of thickness swelling (TS). The bonding improvement was probably due to the generation of more oxygen-related functional groups and free radicals on the surface of EHL after the oxygen plasma treatment.

引用

页码：829 / 833

页数：5

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