Processability of Biobased Thermoset Resins and Flax Fibres Reinforcements Using Vacuum Assisted Resin Transfer MouldingReportar como inadecuado




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Biocompositepanels consisting of biobased thermoset resins EP, PU, UP, and tannin andflax fibre reinforcements were produced using the vacuum assisted resintransfer moulding process. Panels based on a conventional chemical-based resinmatrix were also produced, and investigated comparatively.Rheometric analyses were performed to evaluate the suitability of these resins for liquid composite moulding. Tensile,shear, and impactbending tests have been carried out to assess the quality andmechanical performance of manufactured laminates. The impregnation quality wasassessed by means of ultrasonic-C-scanning and microscopy. It turned out thatthe properties of the biobased composite panels made of biobased epoxy resinand a biobased UP-resin from the company Nuplex in New Zealand were onlayslightly inferior to those produced with a conventional epoxy resin. A biobasedPU-resin from the company USSC in the USA developed voids during curing. A tannin-based resin containing of formaldehyde was not processable.







KEYWORDS

Biocomposites; Rheological Properties; Mechanical Properties; Resin Transfer Moulding RTM

Cite this paper

J. Schuster, Q. Govignon and S. Bickerton -Processability of Biobased Thermoset Resins and Flax Fibres Reinforcements Using Vacuum Assisted Resin Transfer Moulding,- Open Journal of Composite Materials, Vol. 4 No. 1, 2014, pp. 1-11. doi: 10.4236-ojcm.2014.41001.





Autor: J. Schuster, Q. Govignon, S. Bickerton

Fuente: http://www.scirp.org/



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