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Article

Biocomposites Produced from Hardwood Particles by Equal Channel Angular Pressing: Effects of Pre-Treatment

by 1,*, 2 and 1,*
1
Department of Mechanical Engineering, The University of Melbourne, Parkville, VIC 3010, Australia
2
CSIRO Manufacturing, Private Bag 10, Clayton South, VIC 3169, Australia
*
Authors to whom correspondence should be addressed.
J. Compos. Sci. 2020, 4(4), 181; https://doi.org/10.3390/jcs4040181
Received: 20 November 2020 / Revised: 27 November 2020 / Accepted: 27 November 2020 / Published: 30 November 2020
(This article belongs to the Special Issue Wood-Polymer Composites)
The benefit of using a combination of alkali pre-treatment and ball milling in processing hardwood particles into biocomposites via equal channel angular pressing (ECAP) was demonstrated. The penetration of bonding additives (polyethyleneimine and tannic acid) into hardwood structures was enhanced by the pre-treatment, resulting in plasticization and cross-linking derived from the additives during the particle processing. A significant improvement in the biocomposites’ mechanical properties was obtained, reaching flexural strength of 28–29 MPa and flexural modulus of 3650 MPa, comparable to those displayed by commercial wood fiberboard using thermosetting resins as the binding agent. This adds to the promise of developing biocomposites from industrial or agricultural waste through the simple and efficient ECAP technology in conjunction with common pre-treatment methodologies for wood particles. View Full-Text
Keywords: biocomposites; particle processing; consolidation; mechanical properties biocomposites; particle processing; consolidation; mechanical properties
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MDPI and ACS Style

Bai, Y.; Zhang, X.; Xia, K. Biocomposites Produced from Hardwood Particles by Equal Channel Angular Pressing: Effects of Pre-Treatment. J. Compos. Sci. 2020, 4, 181. https://doi.org/10.3390/jcs4040181

AMA Style

Bai Y, Zhang X, Xia K. Biocomposites Produced from Hardwood Particles by Equal Channel Angular Pressing: Effects of Pre-Treatment. Journal of Composites Science. 2020; 4(4):181. https://doi.org/10.3390/jcs4040181

Chicago/Turabian Style

Bai, Yu, Xiaoqing Zhang, and Kenong Xia. 2020. "Biocomposites Produced from Hardwood Particles by Equal Channel Angular Pressing: Effects of Pre-Treatment" Journal of Composites Science 4, no. 4: 181. https://doi.org/10.3390/jcs4040181

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