| 漆酶催化不同小分子物质改善纤维性能 |
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| 引用本文： | 张鑫璐,裴继诚,张方东,于秀玲. 漆酶催化不同小分子物质改善纤维性能[J]. 天津科技大学学报, 2011, 0(4): 31-34,38 |
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| 作者姓名： | 张鑫璐 裴继诚 张方东 于秀玲 |
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| 作者单位： | 天津市制浆造纸重点实验室天津科技大学材料科学与化学工程学院; |
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| 基金项目： | 诺维信研究基金资助项目 |
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| 摘 要： | 以紫丁香醇和L–苯丙氨酸作为酚类物质和氨基酸的代表物质,比较了漆酶/酚类物质和漆酶/氨基酸对OCC(废瓦楞箱板纸)纸浆纤维表面性能的改善效果.使用红外光谱分析、扫描电镜、纤维形态分析对纤维表面形貌进行观察.并对漆酶和小分子物质共同处理后的OCC纸浆进行物理性能检测.纤维形态分析和表面电镜的测定证明了酚类物质和氨基酸可以接枝到纤维表面,表现为纤维粗度增加,纤维表面出现沉积物及纤维间连接膜生成,从而提高成纸强度,特别是湿环压强度提高更为明显.
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| 关 键 词： | 漆酶 酚类物质 氨基酸 纤维性能 |
Fiber Modification with Laccase in Presence of Different Low Molecular-Weight Compounds |
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| ZHANG Xin-lu,PEI Ji-cheng,ZHANG Fang-dong,YU Xiu-ling. Fiber Modification with Laccase in Presence of Different Low Molecular-Weight Compounds[J]. Journal of Tianjin University of Science & Technology, 2011, 0(4): 31-34,38 |
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| Authors: | ZHANG Xin-lu PEI Ji-cheng ZHANG Fang-dong YU Xiu-ling |
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| Affiliation: | ZHANG Xin-lu,PEI Ji-cheng,ZHANG Fang-dong,YU Xiu-ling(Tianjin Key Laboratory of Pulp and Paper,College of Material Science and Chemical Engineering,Tianjin University of Science & Technology,Tianjin 300457,China) |
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| Abstract: | Syringic alcohol and L-phenylalanine were selected as representative of phenolic substances and amino acids to investigate the improvement results of OCC(old corrugated container) pulp with laccase/phenol and laccase/amino acid.Fiber characteristic and physical properties of the handsheet were monitored by FTIR,SEM,Fiber Tester and testing instrument of paper products respectively.The results indicated that the grafting reaction between small molecular com-pounds and lignin occurred by laccase catalytic oxi... |
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| Keywords: | laccase phenol amino acids fiber property |
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