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Enzymatic surface modification of sisal fibers ( Agave Sisalana ) by Penicillium echinulatum cellulases

Enzymatic surface modification of sisal fibers ( Agave Sisalana ) by Penicillium echinulatum... Abstract We report on the effect of a new microbial enzymatic system, Penicillium echinulatum cellulase, on the surface morphological (SEM), structural (XRD), and thermal (TGA/DTG) properties as well as the surface chemical composition (FT-IR and FT-Raman) of sisal fibers (Agave sisalana)—a potential replacement for glass fibers in composite materials. Cellulase treatment greatly improved the properties of sisal fibers, rendering the surface topography and chemical composition of the fibers free of contaminants and reducing the content of amorphous materials (hemicellulose, pectin, lignin, and disordered cellulose) to yield the crystalline cellulose network. Thermal stability and crystallinity were also greatly enhanced. This work demonstrated that microbial enzymes offer an inexpensive and environmentally attractive option to improve the surfaces of natural fibers for composite applications. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Fibers and Polymers Springer Journals

Enzymatic surface modification of sisal fibers ( Agave Sisalana ) by Penicillium echinulatum cellulases

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References (50)

Publisher
Springer Journals
Copyright
2015 The Korean Fiber Society and Springer Science+Business Media Dordrecht
ISSN
1229-9197
eISSN
1875-0052
DOI
10.1007/s12221-015-4705-3
Publisher site
See Article on Publisher Site

Abstract

Abstract We report on the effect of a new microbial enzymatic system, Penicillium echinulatum cellulase, on the surface morphological (SEM), structural (XRD), and thermal (TGA/DTG) properties as well as the surface chemical composition (FT-IR and FT-Raman) of sisal fibers (Agave sisalana)—a potential replacement for glass fibers in composite materials. Cellulase treatment greatly improved the properties of sisal fibers, rendering the surface topography and chemical composition of the fibers free of contaminants and reducing the content of amorphous materials (hemicellulose, pectin, lignin, and disordered cellulose) to yield the crystalline cellulose network. Thermal stability and crystallinity were also greatly enhanced. This work demonstrated that microbial enzymes offer an inexpensive and environmentally attractive option to improve the surfaces of natural fibers for composite applications.

Journal

Fibers and PolymersSpringer Journals

Published: Oct 1, 2015

Keywords: Polymer Sciences

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