Structural biocomposites from flax—Part I: Effect of bio-technical fibre modification on composite properties

The use of enzymes, chelators and enzyme/chelator systems was explored as an environmentally friendly means of improving the quality of flax fibre for composite applications. A commercial pectinolytic enzyme preparation and Ethylene Diamine Tetraacetic Acid (EDTA) were used separately and in combina...

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Bibliographic Details
Published in:Composites. Part A, Applied science and manufacturing Applied science and manufacturing, 2006-01, Vol.37 (3), p.393-404
Main Authors: Stuart, T., Liu, Q., Hughes, M., McCall, R.D., Sharma, H.S.S., Norton, A.
Format: Article
Language:English
Subjects:
Applied sciences
B. Fibre/matrix bond
B. Interface/interphase
B. Mechanical properties
Composites
D. Fractography
Exact sciences and technology
Forms of application and semi-finished materials
Polymer industry, paints, wood
Technology of polymers
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Summary:The use of enzymes, chelators and enzyme/chelator systems was explored as an environmentally friendly means of improving the quality of flax fibre for composite applications. A commercial pectinolytic enzyme preparation and Ethylene Diamine Tetraacetic Acid (EDTA) were used separately and in combination on a commercial flax fibre. An improvement in fibre cleanliness and separation of the fibre bundles into ultimates was observed. When this fibre was, subsequently, used as reinforcement in an epoxy matrix, improved composite properties were obtained. With the EDTA modified fibre reinforced composites, tensile strength improvements in excess of 50% were recorded.
ISSN:1359-835X
1878-5840
DOI:10.1016/j.compositesa.2005.06.002