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Materiale Plastice
Cite as: Mater. Plast.
https://doi.org/10.37358/Mat.Plast.1964

OSIM Nr. R102356
ISSN Print 0025-5289
ISSN Online 2668-8220
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Materiale Plastice (Mater. Plast.), Year 2011, Volume 48, Issue 2,





Teodor Gelu CHICIUDEAN, Anicuta STOICA-GUZUN, Tanase DOBRE, Michel van TOOREN High-Strength Epoxy Bacterial Cellulose Based Composites


Abstract:
Bacterial cellulose offers an interesting potential as natural biodegradable alternative to glass and carbon fibers that are currently used in structural composite. In the present paper, bacterial cellulose produced by Gluconacetobacter Xylinus ATCC 23768 was used as reinforcement fiber to develop four new type composites. The composites were prepared using bacterial cellulose sheets and epoxy resin infused at 10, 15, 250 MPa. These materials were composed of 8 layers of BC pressed at 10 MPa, 8 layers of BC pressed at 15 MPa, 8 layers of BC pressed at 250 MPa and 28 layers of BC pressed at 10 MPa. The first three obtained materials were subject to uniaxial tensile tests, while the fourth material was subject to three-point flexural tests. By using this unique natural material and the resin infusion method it was possible to obtain a composite with the highest reported strength for bacterial cellulose based composites until now. The tensile strength revealed is of about 465 MPa and Young’s modulus of about 60 GPa. Keywords: bacterial cellulose, Acetobacter xylinum,Gluconacetobacter Xylinus Epoxy composite



Issue: 2011 Volume 48, Issue 2
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