Biodegradability of all-cellulose composite laminates |
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| Affiliation: | 1. Cellular and Molecular Biology Research Center, Health Research Institute, Babol University of Medical Sciences, Babol, Iran;2. Student Research Committee, Babol University of medical sciences, Babol, Iran;3. Solid Tumor Research Center, Urmia University of Medical Sciences, Urmia, Iran;4. Drug Applied Research Center, Tabriz University of Medical Sciences, Tabriz, Iran;5. Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran;6. Cellular and Molecular Research Center, Cellular and Molecular Medicine Institute, Urmia University of Medical Sciences, Urmia, Iran;7. Department of Biology, Faculty of Biological Science, Nour Danesh Institute of Higher Education, Meymeh, Isfahan, Iran;8. Department of Medical Biochemistry, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran;9. Department of Biochemistry and Clinical Laboratories, Faculty of Medicine, Tabriz University of Medical Science, Tabriz, Iran |
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| Abstract: | The high mechanical properties of single-polymer composites based on degradable non-derivatised cellulose, aka all-cellulose composites, have recently captured the attention of researchers. All-cellulose composites possess the intriguing combination of high strength and biodegradability. However, the biodegradation behaviour of all-cellulose composites has so far not been reported. In this work, soil burial experiments were carried out to compare the biodegradation behaviour of all-cellulose composites with conventional biocomposites in order to investigate the end-of-life disposal of this relatively new class of bio-based composite materials. All-cellulose composites are characterised by exceptional biodegradability with mass losses of up to 73% following a soil burial time of 70 days. An investigation of the mechanisms of biodegradation of all-cellulose composites is undertaken for the first time. |
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| Keywords: | A. Polymer-matrix composites (PMCs) A. Cellulose B. Environmental degradation B. Delamination |
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