氧等离子体处理对酶解木质素胶合力的影响

刘学源; 郑菲; 周晓燕; 张伟东; 吕城龙

doi:10.3969/j.jssn.1000-2006.2012.05.021

氧等离子体处理对酶解木质素胶合力的影响

刘学源，郑菲，周晓燕*，张伟东,吕城龙

南京林业大学学报（自然科学版） ›› 2012, Vol. 36 ›› Issue (05) : 115-119.

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南京林业大学学报（自然科学版） ›› 2012, Vol. 36 ›› Issue (05) : 115-119. DOI: 10.3969/j.jssn.1000-2006.2012.05.021

研究论文

氧等离子体处理对酶解木质素胶合力的影响

刘学源，郑菲，周晓燕*，张伟东,吕城龙

作者信息 +

Effect of oxygen plasma treatment on bonding behavior of enzymatic hydrolysis lignin

LIU Xueyuan, ZHENG Fei, ZHOU Xiaoyan*, ZHANG Weidong，L Chenglong

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摘要

用氧等离子体处理酶解木质素，分析酶解木质素表面化学成分及自由基浓度的变化，研究氧等离子体处理对酶解木质素/杨木纤维复合材料性能的影响，探索氧等离子体对酶解木质素胶合力的影响。结果表明：经氧等离子体处理后，酶解木质素表面m(O)/m(C)提高了56.0 %，大量含氧官能团（如—OH、—COO等）被引入酶解木质素表面。同时，酶解木质素表面自由基浓度提高了27.4 %。氧等离子体处理使酶解木质素/杨木纤维复合材料的物理力学性能得到了改善，其中内结合强度提高了30.2 %，静曲强度增加了14.2 %，吸水厚度膨胀率下降了29.0 %。

Abstract

This paper investigates the effect of oxygen plasma treatment on bonding behavior of enzymatic hydrolysis lignin (EHL) obtained from the lignocellulosic ethanol production processes. To understand the effects of oxygen plasma treatment, the changes of chemical compositions and free radicals of EHL surface were analyzed. The physical and mechanical properties of poplar fiberboards with EHL as a natural binder were tested as well. The results showed that adding oxygen plasma treated EHL produced a 30.2 % increase of internal bond strength (IB), a 14.2 % increase of modulus of rupture (MOR), and a 29.0 % reduction of thickness swelling (TS). The bonding improvement was probably due to the generation of more oxygenrelated functional groups (such as —OH，—COO) and free radicals on the surface of EHL after the oxygen plasma treatment.

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刘学源，郑菲，周晓燕*，张伟东,吕城龙. 氧等离子体处理对酶解木质素胶合力的影响[J]. 南京林业大学学报（自然科学版）. 2012, 36(05): 115-119 https://doi.org/10.3969/j.jssn.1000-2006.2012.05.021

LIU Xueyuan, ZHENG Fei, ZHOU Xiaoyan*, ZHANG Weidong，L Chenglong. Effect of oxygen plasma treatment on bonding behavior of enzymatic hydrolysis lignin[J]. JOURNAL OF NANJING FORESTRY UNIVERSITY. 2012, 36(05): 115-119 https://doi.org/10.3969/j.jssn.1000-2006.2012.05.021

中图分类号： TS6533

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基金

收稿日期：2012-03-02修回日期：2012-07-08
基金项目：国家自然科学基金项目(31070504); 国家教育部新世纪优秀人才支持计划(NCET-10-0177 )；江苏省“333工程”科研计划项目（BRA2011166）
第一作者：刘学源，本科生。*通信作者：周晓燕，教授。E-mail: zhouxiaoyan@njfu.edu.cn。
引文格式：刘学源，郑菲，周晓燕,等. 氧等离子体处理对酶解木质素胶合力的影响[J]. 南京林业大学学报:自然科学版,2012,36(5):115-119.