Laccase and alkali treatments of cellulose fibre Surface lignin and its influences on fibre surface properties and interfacial behaviour of sisal fibre/phenolic resin composites

被引：51

作者：

Peng, Xinwen ^{[1
]}

Zhong, Lanxin ^{[1
]}

Ren, Junli ^{[1
]}

Sun, Runcang ^{[1
,2
]}

机构：

[1] S China Univ Technol, State Key Lab Pulp & Paper Engn, Guangzhou 510640, Peoples R China

[2] Beijing Forestry Univ, Inst Biomass Chem & Technol, Beijing 100083, Peoples R China

来源：

COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING | 2010年 / 41卷 / 12期

基金：

美国国家科学基金会;

关键词：

Sisal fibre; Nano structures; Interface; Surface properties; KRAFT PULP; MECHANICAL-PROPERTIES; MORPHOLOGY; CHEMISTRY; FLAX; STRENGTH;

D O I：

10.1016/j.compositesa.2010.09.004

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

This paper is an attempt to investigate the Influences of enzyme (laccase) and alkali treatments on the surface lignin of single cellulose fibre The fibre surface characteristics and the interfacial behaviour of the sisal fibre/phenolic resin composites were also studied by SEM AFM XPS The surface lignin greatly affected the surface physical and chemical properties of single cellulose fibres The surface lignin concentration was up to 35% for the raw fibre without any treatment and then it decreased to 24% 20% and 18% for the fibres with laccase treatment alkali treatment and laccase/alkali treatment respectively The removal of lignin from fibre surface could enhance the interfacial strength of composites and thus Increase the tensile strength and internal bonding strength by 43% and 51% respectively for the composites obtained from laccase/alkali treated fibres (C) 2010 Elsevier Ltd All rights reserved

引用

页码：1848 / 1856

页数：9

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