Thermomechanical and Structural Analysis of Biocomposites and Gamma Irradiation and Photoaging on Mechanical and Viscoelastic Properties

Babacar Niang; Abdoulaye Bouya Diop; Abdou Karim Farota; Nicola Schiavone; Haroutioun Askanian; Vincent Verney; Abdoul Karim Mbodji; Malick Wade; Diène Ndiaye; Bouya Diop

doi:doi:10.11648/j.am.20221103.11

Thermomechanical and Structural Analysis of Biocomposites and Gamma Irradiation and Photoaging on Mechanical and Viscoelastic Properties

Babacar Niang, Abdoulaye Bouya Diop, Abdou Karim Farota, Nicola Schiavone, Haroutioun Askanian, Vincent Verney, Abdoul Karim Mbodji, Malick Wade, Diène Ndiaye, Bouya Diop

Published in Advances in Materials (Volume 11, Issue 3)

Received: 26 February 2022 Accepted: 25 April 2022 Published: 26 July 2022

Views: Downloads:

Download PDF

Share This Article

Twitter
Linked In
Facebook

Abstract

The replacement of petrochemical fibres with natural fibres for reinforcing polyvinyl chloride matrix biomaterials is currently being researched and applied in the technical and technological fields. Natural fibres offer environmental advantages combined with economic advantages related to comparatively lower cost and lower energy consumption. it is in this context that typha stem fibres extracted from the typha plant found in south-saharan Africa are used in this study for the manufacture of biocomposites. The objective is to evaluate the thermogravimetric (TG/DTG) and viscoelastic behaviour of polyolefin matrix biocomposites reinforced with relatively high volume fractions, 25, 35 and 45%, of typha stem powder. The incorporation of typha stem powder slightly reduces the thermal stability of the biomaterials by decreasing the thermal degradation onset temperature and the DTG peak temperature compared to pure matrices. The limit for the practical application of these composites could be set at 270°C, before the onset of major weight loss. Monitoring of the different materials by rheological measurements during photoaging allowed to understand the mechanisms of photodegradation. The shear thinnig behaviour observed on the complex viscosity points to possible small changes at the molecular level. Photochemical degradation over the photo-aging cycles resulted in cut-off and recombination phenomena. Dynamic storage moduli (G') and loss moduli (G'') tend to increase with the proportion of typha powder. The dynamic storage modulus (G') and loss modulus (G'') tend to increase with the proportion of typha powder. We observed a rheofluidic behaviour by shearing of the melt. The dynamic storage (G') and loss (G'') moduli tend to increase with the proportion of typha powder. From a thermal and rheological point of view, HDPE-based biocomposites show interesting properties for use in applications. The influence of gamma irradiation leads to a competition between two mechanisms (chain breaks and recombination) of photooxidation that take place together within the material. Mechanical properties such as tensile and flexural strength are improved with increasing gamma radiation dose up to 75 kGy.

Published in	Advances in Materials (Volume 11, Issue 3)
DOI	10.11648/j.am.20221103.11
Page(s)	50-59
Creative Commons	This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.
Copyright	Copyright © The Author(s), 2024. Published by Science Publishing Group

Keywords

Thermogravimetric Analysis (TGA), Thermal Stability, Photoaging, Mechanical and Viscoelastic Properties

References

[1]	De Lemos, A. L., Mauss, C. J., & Santana, R. M. C. (2017). Characterization of natural fibers: wood, sugarcane and babassu for use in biocomposites. Cellulose Chemistry and Technology, 51 (7-8), 711-718.
[2]	Suoware, T. O., Edelugo, S. O., & Ezema, I. C. (2019). Impact of hybrid flame retardant on the flammability and thermomechanical properties of wood sawdust polymer composite panel. Fire and Materials, 43 (4), 335-343.
[3]	Thakur VK, Thakur MK, Gupta RK. Graft copolymers from cellulose: Synthesis, characterization and evaluation. J Carbohyd polym 2013; 97 (1): 18-25.
[4]	Singha AS, Thakur VK. Fabrication and Characterization of H. sabdariffa Fiber-Reinforced Green Polymer Composites. J Polym plast technol eng 2009; 48 (4): 482-487.
[5]	Singha AS, Thakur VK. Mechanical, Thermal and Morphological Properties of Grewia Optiva Fiber/Polymer Matrix Composites. J Polym plast technol eng 2009; 48 (2): 201-208.
[6]	Alves C, Ferrao P. M. C, Silva A. J, Reis L. G, Freitas M, Rodrigues L. B, Alves D. E. Ecodesign of automotive components making use of natural jute fiber composites. J Clean Prod 2010; (18): 313–327.
[7]	Ali R, Iannace S, Nicolais L. Effect of processing conditions on mechanical and viscoelastic properties of biocomposites. J Appl Polym Sci 2003; 88: 1637–42.
[8]	Garkhail SK, Meurs E, Van de Beld T, Peijs T. Thermoplastic composites based on biopolymers and natural fibres. ICCM12 (12th international conference on composite materials), Paris; 1999. p. 1175.
[9]	Puglia D, Biagiotti J, Kenny JM. A review on natural fiber based composites Part II: application of natural reinforcements in composite materials. J Nat Fibers 2004; 1 (3): 23–65.
[10]	Suddell B C, Evans W J, Isaac DH, Crosky A. A Survey into the Application of Natural Fiber Composites in the Automotive Industry. In: International Symposium on Natural Polymers and Composites, Sao Pedro, Brazil, 2002.
[11]	Yuan XW, Jayaraman K, Bhattacharyya D. Plasma treatment of sisal fibers and its effects on tensile strength and interfacial bonding. J Adhes Sci and Technol 2002; 16 (6): 703–27.
[12]	Klyosov A.: ‘Wood-plastic composites’; 2007, John Wiley & Sons, Hoboken, New Jersely, Canada. [Crossref, Google Scholar].
[13]	Vasile C. and Pascu M.: ‘Pascu: Practical guide to polyethylene’; 2005, iSmithers, Rapra Publishing Shawburry, Shrewsbury, UK. [Google Scholar].
[14]	Huang X., Ke Q., Kim C., Zhong H., Wei P., Wang G., Liu F. and Jiang P.: Polym. Eng. Sci., 2007, 47, (7), 1052–1061. [Crossref, Web of Science ®, Google Scholar]
[15]	Xu M, Shi X, Chen H, Xiao T. Synthesis and enrichment of a macromolecular surface modifier PP-b-PVP for polypropylene. Appl Surf Sci 2010; 256: 3240–4. doi: 10.1016/j.apsusc.2009.12.012.
[16]	Faruk O, Bledzki A., Fink H-P, Sain M. Biocomposites reinforced with natural fibers: 2000-2010. Prog Polym Sci 2012; 37: 1552–87.
[17]	Ausias G, Bourmaud A, Coroller G, Baley C. Study of the fibre morphology stability in polypropylene-flax composites. Polym Degrad Stab 2013; 98: 1216–24.
[18]	Bourmaud A, Baley C. Investigations on the recycling of hemp and sisal fibre reinforced polypropylene composites. Polym Degrad Stab 2007; 92: 1034–45.
[19]	Ndiaye, D., Diop, B., Thiandoume, C., Fall, P. A., Farota, A. K. and Tidjani, A. (2012) Morphology and thermo mechanical properties of wood/polypropylene composites. Polypropylene, 4, 730-738.
[20]	AlMaadeed, M. A., Kahraman, R., Khanam, P. N., & Madi, N. (2012). Date palm wood flour/glass fibre reinforced hybrid composites of recycled polypropylene: Mechanical and thermal properties. Materials & Design, 42, 289-294.
[21]	Awal, A., Ghosh, S., & Sain, M. (2010). Thermal properties and spectral characterization of wood pulp reinforced bio-composite fibers. Journal of thermal analysis and calorimetry, 99 (2), 695-701.
[22]	Li, X., Lei, B., Lin, Z., Huang, L., Tan, S., & Cai, X. (2014). The utilization of bamboo charcoal enhances wood plastic composites with excellent mechanical and thermal properties. Materials & Design, 53, 419-424.
[23]	Guo, Y., Zhu, S., Chen, Y., & Li, D. (2019). Thermal properties of wood-plastic composites with different compositions. Materials, 12 (6), 881.
[24]	Farhadinejad, Z., Ehsani, M., Khosravian, B., & Ebrahimi, G. (2012). Study of thermal properties of wood plastic composite reinforced with cellulose micro fibril and nano inorganic fiber filler. European Journal of Wood and Wood Products, 70 (6), 823-828.
[25]	Monteiro, S. N., Calado, V., Rodriguez, R. J., & Margem, F. M. (2012). Thermogravimetric stability of polymer composites reinforced with less common lignocellulosic fibers–an Overview. Journal of Materials Research and Technology, 1 (2), 117-126.
[26]	Keener T and Brown T. EpoleneTM maleated polyethylene coupling agents. In: Proceedings ofseventh international conference on wood-fibre-plastic composites; 2002; Wisconsin, USA.; 2002.
[27]	Matuana LM, Balatinecz JJ, Sodhi RNS, Park CB. Surface characterization of esterified cellulosic fibers by XPS and FTIR spectroscopy. Wood Science and Technology 2001; 35 (3): 191-201.
[28]	J. L. Thomason et J. L. Rudeiros-Fernández, «Thermal degradation behaviour of natural fibres at thermoplastic composite processing temperatures», Polymer Degradation and Stability, vol. 188, p. 109594, 2021.
[29]	P. Gańán et I. Mondragon, «Thermal and degradation behavior of fique fiber reinforced thermoplastic matrix composites», Journal of Thermal Analysis and Calorimetry, vol. 73, no 3, p. 783‑795, 2003.
[30]	M. Sood et S. Singh, «Recent advancements in thermal properties and behavior of modified natural fiber composites», in Hybrid Natural Fiber Composites, Elsevier, 2021, p. 73‑89.
[31]	N. V. Penava, V. Rek, et I. F. Houra, «Effect of EPDM as a compatibilizer on mechanical properties and morphology of PP/LDPE blends», Journal of Elastomers & Plastics, vol. 45, no 4, p. 391‑403, 2013.
[32]	H.-S. Kim, H.-S. Yang, H.-J. Kim, et H.-J. Park, «Thermogravimetric analysis of rice husk flour filled thermoplastic polymer composites», Journal of thermal analysis and calorimetry, vol. 76, no 2, p. 395‑404, 2004.
[33]	B. Wielage, T. Lampke, G. Marx, K. Nestler, et D. Starke, «Thermogravimetric and differential scanning calorimetric analysis of natural fibres and polypropylene», Thermochimica Acta, vol. 337, no 1‑2, p. 169‑177, 1999.
[34]	A. M. Badji, D. Ndiaye, A. K. Diallo, N. Kebe, et V. Verney, «The effect of poly-ethylene-co-glycidyl methacrylate efficiency and clay platelets on thermal and rheological properties of wood polyethylene composites», Advances in Chemical Engineering and Science, vol. 6, no 4, p. 436‑455, 2016.
[35]	D. Ndiaye, A. M. Badji, et A. Tidjani, «Physical changes associated with gamma doses on wood/polypropylene composites», Journal of composite materials, vol. 48, no 25, p. 3063‑3071, 2014.
[36]	F. Michaud, «Rhéologie de panneaux composites bois/thermoplastiques sous chargement thermomécanique: aptitude au postformage», 2003.
[37]	S. Mathurosemontri, K. Okuno, Y. Ogura, S. Thumsorn, et H. Hamada, «Investigation on Fracture Behavior of Glass Fiber Reinforced Thermoplstic and Thermosetting Composites», in Key Engineering Materials, 2017, vol. 728, p. 235‑239.
[38]	P. Takkalkar, M. Ganapathi, C. Dekiwadia, S. Nizamuddin, G. Griffin, N. Kao, Preparation of square-shaped starch nanocrystals/polylactic acid based bio- nanocomposites: morphological, structural, thermal and rheological properties, Waste Biomass Valoriz. (2018) 1–15.
[39]	Osswald, T.; Rudolph, N. Polymer Rheology. Fundamentals and Applications; Hanser Publications, Munich 2015, ISBN 9781569905173.
[40]	Ma, P., Jiang, L., Ye, T., Dong, W. and Chen, M. (2014) Melt Free-Radical Grafting of Maleic Anhydride onto Biodegradable Poly (Lactic Acid) by Using Styrene as a Comonomer. Polymers, 6, 1528-1543.
[41]	Mazzanti, V., & Mollica, F. (2020). A review of wood polymer composites rheology and its implications for processing. Polymers, 12 (10), 2304.
[42]	Ogah, A. O., Afiukwa, J. N., & Nduji, A. A. (2014). Characterization and comparison of rheological properties of agro fiber filled high-density polyethylene bio-composites. Open Journal of Polymer Chemistry, 2014.
[43]	S. Mohanty, S. K. Verma, et S. K. Nayak, «Rheological characterization of PP/jute composite melts», Journal of applied polymer science, vol. 99, no 4, p. 1476‑1484, 2006.
[44]	C. Zhao, H. Qin, F. Gong, M. Feng, S. Zhang, et M. Yang, «Mechanical, thermal and flammability properties of polyethylene/clay nanocomposites», Polymer Degradation and Stability, vol. 87, no 1, p. 183‑189, 2005.
[45]	K. J. Wilczynski, «Determination of viscosity curves of wood polymer composites based on limited rheological measurements», Polimery, vol. 63, no 3, p. 213‑218, 2018.
[46]	T. Yokohara, S. Nobukawa, et M. Yamaguchi, «Rheological properties of polymer composites with flexible fine fibers», Journal of Rheology, vol. 55, no 6, p. 1205‑1218, 2011.
[47]	N. Sombatsompop et R. Dangtangee, «Effects of the actual diameters and diameter ratios of barrels and dies on the elastic swell and entrance pressure drop of natural rubber in capillary die flow», Journal of applied polymer science, vol. 86, no 7, p. 1762‑1772, 2002.
[48]	H. Qin et al., «Thermal stability and flammability of polypropylene/montmorillonite composites», Polymer Degradation and Stability, vol. 85, no 2, p. 807‑813, 2004.
[49]	N. E. Marcovich, M. M. Reboredo, J. Kenny, et M. I. Aranguren, «Rheology of particle suspensions in viscoelastic media. Wood flour-polypropylene melt», Rheologica Acta, vol. 43, no 3, p. 293‑303, 2004.
[50]	S. Gaudin, F. Fraisse, V. Verney, S. Commerceuc, R. Guyonnet, et A. Govin, «Etude rhéologique de nouveaux biocomposites bois - polymères biodégradables», p. 5.
[51]	J. Tian, R. Zhang, Y. Wu, et P. Xue, «Additive manufacturing of wood flour/polyhydroxyalkanoates (PHA) fully bio-based composites based on micro-screw extrusion system», Materials & Design, vol. 199, p. 109418, 2021.
[52]	Ndiaye, D., Badji, A. M., & Tidjani, A. (2014). Physical changes associated with gamma doses on wood/polypropylene composites. Journal of composite materials, 48 (25), 3063-3071.
[53]	D. Ndiaye, «Contribution à l’étude de la caractérisation, des propriétés physico-mécaniques et du processus de photo vieillissement des composites bois polymères.», 2012.
[54]	Motaleb, K. Z. M., Milašius, R., & Ahad, A. (2020). Influence of gamma radiation on mechanical properties of jute fabric-reinforced polymer composites. Fibers, 8 (9), 58.
[55]	Rahman, H., Alimuzzaman, S., Sayeed, M. M., & Khan, R. A. (2019). Effect of gamma radiation on mechanical properties of pineapple leaf fiber (PALF)-reinforced low-density polyethylene (LDPE) composites. International Journal of Plastics Technology, 23 (2), 229-238.
[56]	Islam, J. M., Hossan, M. A., Alom, F. R., Khan, M. I. H., & Khan, M. A. (2017). Extraction and characterization of crystalline cellulose from jute fiber and application as reinforcement in biocomposite: Effect of gamma radiation. Journal of Composite Materials, 51 (1), 31-38.
[57]	Zaman, H. U., & Beg, M. D. H. (2015). Improvement of physico-mechanical, thermomechanical, thermal and degradation properties of PCL/gelatin biocomposites: Effect of gamma radiation. Radiation Physics and Chemistry, 109, 73-82.

Cite This Article

Plain Text BibTeX RIS

APA Style

Babacar Niang, Abdoulaye Bouya Diop, Abdou Karim Farota, Nicola Schiavone, Haroutioun Askanian, et al. (2022). Thermomechanical and Structural Analysis of Biocomposites and Gamma Irradiation and Photoaging on Mechanical and Viscoelastic Properties. Advances in Materials, 11(3), 50-59. https://doi.org/10.11648/j.am.20221103.11

Copy | Download

ACS Style

Babacar Niang; Abdoulaye Bouya Diop; Abdou Karim Farota; Nicola Schiavone; Haroutioun Askanian, et al. Thermomechanical and Structural Analysis of Biocomposites and Gamma Irradiation and Photoaging on Mechanical and Viscoelastic Properties. Adv. Mater. 2022, 11(3), 50-59. doi: 10.11648/j.am.20221103.11

Copy | Download

AMA Style

Babacar Niang, Abdoulaye Bouya Diop, Abdou Karim Farota, Nicola Schiavone, Haroutioun Askanian, et al. Thermomechanical and Structural Analysis of Biocomposites and Gamma Irradiation and Photoaging on Mechanical and Viscoelastic Properties. Adv Mater. 2022;11(3):50-59. doi: 10.11648/j.am.20221103.11

Copy | Download

@article{10.11648/j.am.20221103.11,
  author = {Babacar Niang and Abdoulaye Bouya Diop and Abdou Karim Farota and Nicola Schiavone and Haroutioun Askanian and Vincent Verney and Abdoul Karim Mbodji and Malick Wade and Diène Ndiaye and Bouya Diop},
  title = {Thermomechanical and Structural Analysis of Biocomposites and Gamma Irradiation and Photoaging on Mechanical and Viscoelastic Properties},
  journal = {Advances in Materials},
  volume = {11},
  number = {3},
  pages = {50-59},
  doi = {10.11648/j.am.20221103.11},
  url = {https://doi.org/10.11648/j.am.20221103.11},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.am.20221103.11},
  abstract = {The replacement of petrochemical fibres with natural fibres for reinforcing polyvinyl chloride matrix biomaterials is currently being researched and applied in the technical and technological fields. Natural fibres offer environmental advantages combined with economic advantages related to comparatively lower cost and lower energy consumption. it is in this context that typha stem fibres extracted from the typha plant found in south-saharan Africa are used in this study for the manufacture of biocomposites. The objective is to evaluate the thermogravimetric (TG/DTG) and viscoelastic behaviour of polyolefin matrix biocomposites reinforced with relatively high volume fractions, 25, 35 and 45%, of typha stem powder. The incorporation of typha stem powder slightly reduces the thermal stability of the biomaterials by decreasing the thermal degradation onset temperature and the DTG peak temperature compared to pure matrices. The limit for the practical application of these composites could be set at 270°C, before the onset of major weight loss. Monitoring of the different materials by rheological measurements during photoaging allowed to understand the mechanisms of photodegradation. The shear thinnig behaviour observed on the complex viscosity points to possible small changes at the molecular level. Photochemical degradation over the photo-aging cycles resulted in cut-off and recombination phenomena. Dynamic storage moduli (G') and loss moduli (G'') tend to increase with the proportion of typha powder. The dynamic storage modulus (G') and loss modulus (G'') tend to increase with the proportion of typha powder. We observed a rheofluidic behaviour by shearing of the melt. The dynamic storage (G') and loss (G'') moduli tend to increase with the proportion of typha powder. From a thermal and rheological point of view, HDPE-based biocomposites show interesting properties for use in applications. The influence of gamma irradiation leads to a competition between two mechanisms (chain breaks and recombination) of photooxidation that take place together within the material. Mechanical properties such as tensile and flexural strength are improved with increasing gamma radiation dose up to 75 kGy.},
 year = {2022}
}

Copy | Download

TY - JOUR
T1 - Thermomechanical and Structural Analysis of Biocomposites and Gamma Irradiation and Photoaging on Mechanical and Viscoelastic Properties
AU - Babacar Niang
AU - Abdoulaye Bouya Diop
AU - Abdou Karim Farota
AU - Nicola Schiavone
AU - Haroutioun Askanian
AU - Vincent Verney
AU - Abdoul Karim Mbodji
AU - Malick Wade
AU - Diène Ndiaye
AU - Bouya Diop
Y1 - 2022/07/26
PY - 2022
N1 - https://doi.org/10.11648/j.am.20221103.11
DO - 10.11648/j.am.20221103.11
T2 - Advances in Materials
JF - Advances in Materials
JO - Advances in Materials
SP - 50
EP - 59
PB - Science Publishing Group
SN - 2327-252X
UR - https://doi.org/10.11648/j.am.20221103.11
AB - The replacement of petrochemical fibres with natural fibres for reinforcing polyvinyl chloride matrix biomaterials is currently being researched and applied in the technical and technological fields. Natural fibres offer environmental advantages combined with economic advantages related to comparatively lower cost and lower energy consumption. it is in this context that typha stem fibres extracted from the typha plant found in south-saharan Africa are used in this study for the manufacture of biocomposites. The objective is to evaluate the thermogravimetric (TG/DTG) and viscoelastic behaviour of polyolefin matrix biocomposites reinforced with relatively high volume fractions, 25, 35 and 45%, of typha stem powder. The incorporation of typha stem powder slightly reduces the thermal stability of the biomaterials by decreasing the thermal degradation onset temperature and the DTG peak temperature compared to pure matrices. The limit for the practical application of these composites could be set at 270°C, before the onset of major weight loss. Monitoring of the different materials by rheological measurements during photoaging allowed to understand the mechanisms of photodegradation. The shear thinnig behaviour observed on the complex viscosity points to possible small changes at the molecular level. Photochemical degradation over the photo-aging cycles resulted in cut-off and recombination phenomena. Dynamic storage moduli (G') and loss moduli (G'') tend to increase with the proportion of typha powder. The dynamic storage modulus (G') and loss modulus (G'') tend to increase with the proportion of typha powder. We observed a rheofluidic behaviour by shearing of the melt. The dynamic storage (G') and loss (G'') moduli tend to increase with the proportion of typha powder. From a thermal and rheological point of view, HDPE-based biocomposites show interesting properties for use in applications. The influence of gamma irradiation leads to a competition between two mechanisms (chain breaks and recombination) of photooxidation that take place together within the material. Mechanical properties such as tensile and flexural strength are improved with increasing gamma radiation dose up to 75 kGy.
VL - 11
IS - 3
ER -

Copy | Download

Author Information

Babacar Niang

Laboratory of Atmospheric and Ocean-Material Sciences, Energy, Device, Training and Research Unit of Applied Sciences and Technologies, Gaston Berger University, Saint-Louis, Senegal
Abdoulaye Bouya Diop

Laboratory of Atmospheric and Ocean-Material Sciences, Energy, Device, Training and Research Unit of Applied Sciences and Technologies, Gaston Berger University, Saint-Louis, Senegal
Abdou Karim Farota

Laboratory of Atmospheric and Ocean-Material Sciences, Energy, Device, Training and Research Unit of Applied Sciences and Technologies, Gaston Berger University, Saint-Louis, Senegal
Nicola Schiavone

Clermont Ferrand Institute of Chemistry, Clermont Auvergne University, National Centre for Scientific Research, SIGMA Clermont, Clermont-Ferrand, France
Haroutioun Askanian

Clermont Ferrand Institute of Chemistry, Clermont Auvergne University, National Centre for Scientific Research, SIGMA Clermont, Clermont-Ferrand, France
Vincent Verney

Clermont Ferrand Institute of Chemistry, Clermont Auvergne University, National Centre for Scientific Research, SIGMA Clermont, Clermont-Ferrand, France
Abdoul Karim Mbodji

Laboratory of Atmospheric and Ocean-Material Sciences, Energy, Device, Training and Research Unit of Applied Sciences and Technologies, Gaston Berger University, Saint-Louis, Senegal
Malick Wade

Laboratory of Atmospheric and Ocean-Material Sciences, Energy, Device, Training and Research Unit of Applied Sciences and Technologies, Gaston Berger University, Saint-Louis, Senegal
Diène Ndiaye

Laboratory of Atmospheric and Ocean-Material Sciences, Energy, Device, Training and Research Unit of Applied Sciences and Technologies, Gaston Berger University, Saint-Louis, Senegal
Bouya Diop

Laboratory of Atmospheric and Ocean-Material Sciences, Energy, Device, Training and Research Unit of Applied Sciences and Technologies, Gaston Berger University, Saint-Louis, Senegal

Download PDF

Sections

Plain Text BibTeX RIS

APA Style

Babacar Niang, Abdoulaye Bouya Diop, Abdou Karim Farota, Nicola Schiavone, Haroutioun Askanian, et al. (2022). Thermomechanical and Structural Analysis of Biocomposites and Gamma Irradiation and Photoaging on Mechanical and Viscoelastic Properties. Advances in Materials, 11(3), 50-59. https://doi.org/10.11648/j.am.20221103.11

Copy | Download

ACS Style

Babacar Niang; Abdoulaye Bouya Diop; Abdou Karim Farota; Nicola Schiavone; Haroutioun Askanian, et al. Thermomechanical and Structural Analysis of Biocomposites and Gamma Irradiation and Photoaging on Mechanical and Viscoelastic Properties. Adv. Mater. 2022, 11(3), 50-59. doi: 10.11648/j.am.20221103.11

Copy | Download

AMA Style

Babacar Niang, Abdoulaye Bouya Diop, Abdou Karim Farota, Nicola Schiavone, Haroutioun Askanian, et al. Thermomechanical and Structural Analysis of Biocomposites and Gamma Irradiation and Photoaging on Mechanical and Viscoelastic Properties. Adv Mater. 2022;11(3):50-59. doi: 10.11648/j.am.20221103.11

Copy | Download

@article{10.11648/j.am.20221103.11,
  author = {Babacar Niang and Abdoulaye Bouya Diop and Abdou Karim Farota and Nicola Schiavone and Haroutioun Askanian and Vincent Verney and Abdoul Karim Mbodji and Malick Wade and Diène Ndiaye and Bouya Diop},
  title = {Thermomechanical and Structural Analysis of Biocomposites and Gamma Irradiation and Photoaging on Mechanical and Viscoelastic Properties},
  journal = {Advances in Materials},
  volume = {11},
  number = {3},
  pages = {50-59},
  doi = {10.11648/j.am.20221103.11},
  url = {https://doi.org/10.11648/j.am.20221103.11},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.am.20221103.11},
  abstract = {The replacement of petrochemical fibres with natural fibres for reinforcing polyvinyl chloride matrix biomaterials is currently being researched and applied in the technical and technological fields. Natural fibres offer environmental advantages combined with economic advantages related to comparatively lower cost and lower energy consumption. it is in this context that typha stem fibres extracted from the typha plant found in south-saharan Africa are used in this study for the manufacture of biocomposites. The objective is to evaluate the thermogravimetric (TG/DTG) and viscoelastic behaviour of polyolefin matrix biocomposites reinforced with relatively high volume fractions, 25, 35 and 45%, of typha stem powder. The incorporation of typha stem powder slightly reduces the thermal stability of the biomaterials by decreasing the thermal degradation onset temperature and the DTG peak temperature compared to pure matrices. The limit for the practical application of these composites could be set at 270°C, before the onset of major weight loss. Monitoring of the different materials by rheological measurements during photoaging allowed to understand the mechanisms of photodegradation. The shear thinnig behaviour observed on the complex viscosity points to possible small changes at the molecular level. Photochemical degradation over the photo-aging cycles resulted in cut-off and recombination phenomena. Dynamic storage moduli (G') and loss moduli (G'') tend to increase with the proportion of typha powder. The dynamic storage modulus (G') and loss modulus (G'') tend to increase with the proportion of typha powder. We observed a rheofluidic behaviour by shearing of the melt. The dynamic storage (G') and loss (G'') moduli tend to increase with the proportion of typha powder. From a thermal and rheological point of view, HDPE-based biocomposites show interesting properties for use in applications. The influence of gamma irradiation leads to a competition between two mechanisms (chain breaks and recombination) of photooxidation that take place together within the material. Mechanical properties such as tensile and flexural strength are improved with increasing gamma radiation dose up to 75 kGy.},
 year = {2022}
}

Copy | Download