JEC COMPOSITES MAGAZINE - Issue #37 - December 2007 - 36

FEATURE “Biocomposites” Properties g…/… High-performance natural fibres? production channels for natural fibres involves taking unforeseen weather factors into account so as to be able to select and standardize batches of fibres from different origins. Crops should be environment-friendly. The utilization of natural fibres often reflects an eco-design approach and a desire to reduce environmental impacts. This requires data. Research is now being published on the environmental impacts of the different methods for producing flax and hemp fibres [14]. The quest for the “ideal” and available natural fibre is not all that simple. The choice of plant is made not only based on the mechanical properties of the fibres, but also as a function of the potential to upgrade all the co-products (fibres, wood, leaves, seeds). More generally, using natural fibres to reinforce composite materials is part of a strategy to create structures that consume less energy and leave a smaller environmental footprint. By virtue of this, some natural fibres are truly high-performance fibres. More information: www.univ-ubs.fr/l2p/ References [1] Hearle J.W.S., The fine structure of fibers and crystalline polymers. III. Interpretation of the mechanical properties of fibers, Journal of Applied Polymers Science 1963; 7, 1207-1223. [2] Bledzki A.K., Gassan J., Composites reinforced with cellulose based fibres, Progress in Polymer Science 24 (1999) 221-274. [3] Nishino T., Matsuda I., Irao K., All cellulose composite, Macromolecules, 37 (2004) 7683-7687. [4] Wang H., Drummont J., Reath S., Hunt K., Watson P An improved fibril angle ., measurement method for wood fibres, Wood Science and Technology, 34 (2001) 493-503. [5] Nishiyama Y., Okano T., Morphological changes of ramie fiber during mercerization, Journal of Wood Science, 44 (1998) 310-313. [6] Baley C., Fibres naturelles de renfort pour matériaux composites, Techniques de l’Ingénieur. AM. 5 130. [7] Guillon D., Fibres de verre de renforcement, Techniques de l’Ingénieur A 2 110. [8] Beukers A., Lightness. The inevitable renaissance of minimum energy structure, Ed. van Hinte. 010 Publischers, Rotterdam (1998). [9] Baley C., Analysis of the flax fibres tensile behaviour and analysis of the tensile stiffness increase, Composites Part A, 33 (2002) 939-948. [10] Charlet K., Jernot J.P Gomina M., Bréard J., Morvan C., Baley C. ., Flax fibre reinforced composites: influence of the fibre position in the stem on its mechanical, chemical and morphological properties, ECCM12 Biarritz (2006) 29 August-1 September. [11] Charlet K., Baley C., Morvan C., Jernot J.P Gomina M., Breard J. ., Characteristics of Hermes flax fibres as a function of their location in the stem and properties of the derived unidirectional composites, Composites part A, 38 (2007) 1912-1921. [12] Baley C., Bodros E., Propriétés mécaniques et comportement en traction d’une fibre d’ortie (Urtica Dioica), Comptes Rendus des JNC15 AMAC (2007) 297-302. [13] Gindl W., Keckes J., Strain hardening in regenerated cellulose fibres, Composites Science and Technology 66 (2006) 2049-2053. [14] Van der Werf H., Turunen L., The environmental impacts of the production of hemp and flax textile yarn, Industrial Crops and Products (2007) in Press. Now available in digital version JEC Composites Magazine / No37 December 2007
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JEC COMPOSITES MAGAZINE - Issue #37 - December 2007

Table of Contents for the Digital Edition of JEC COMPOSITES MAGAZINE - Issue #37 - December 2007
