Journal
COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING
Volume 41, Issue 12, Pages 1848-1856Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.compositesa.2010.09.004
Keywords
Sisal fibre; Nano structures; Interface; Surface properties
Funding
- National Science Foundation of China [307 10103906]
- Fundamental Research Funds for the Central Universities SCUT [2009ZM0153]
- China Ministry of Education [111]
- State Forestry Administration in China [200804015]
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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
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