Determination of Mean Intrinsic Flexural Strength and Coupling Factor of Natural Fiber Reinforcement in Polylactic Acid Biocomposites
Abstract
:1. Introduction
2. Materials and Methods
2.1. Materials
2.2. Methods
2.2.1. Preparation of Composite Materials
2.2.2. Mechanical Characterization
2.2.3. Evaluation of the Size Distribution of the Reinforcements
3. Results and Discussion
3.1. Flexural Strength Properties of PLA–BKSF Composites
3.2. Intrinsic Flexural Strength Properties
4. Conclusions
Author Contributions
Funding
Acknowledgments
Conflicts of Interest
References
- Oliver-Ortega, H.; Llop, M.F.; Espinach, F.X.; Tarrés, Q.; Ardanuy, M.; Mutjé, P. Study of the flexural modulus of lignocellulosic fibers reinforced bio-based polyamide11 green composites. Compos. Part B Eng. 2018, 152, 126–132. [Google Scholar] [CrossRef]
- Siengchin, S. Editorial corner—a personal view Potential use of “green” composites in automotive applications. Express Polym. Lett. 2017, 11, 600. [Google Scholar] [CrossRef]
- Yusoff, R.B.; Takagi, H.; Nakagaito, A.N. Tensile and flexural properties of polylactic acid-based hybrid green composites reinforced by kenaf, bamboo and coir fibers. Ind. Crops Prod. 2016, 94, 562–573. [Google Scholar] [CrossRef]
- Kengkhetkit, N.; Amornsakchai, T. A new approach to “Greening” plastic composites using pineapple leaf waste for performance and cost effectiveness. Mater. Des. 2014, 55, 292–299. [Google Scholar] [CrossRef]
- Dicker, M.P.M.; Duckworth, P.F.; Baker, A.B.; Francois, G.; Hazzard, M.K.; Weaver, P.M. Green composites: A review of material attributes and complementary applications. Compos. Part A Appl. Sci. Manuf. 2014, 56, 280–289. [Google Scholar] [CrossRef]
- Delgado-Aguilar, M.; Julián, F.; Tarrés, Q.; Méndez, J.A.; Mutjé, P.; Espinach, F.X. Bio composite from bleached pine fibers reinforced polylactic acid as a replacement of glass fiber reinforced polypropylene, macro and micro-mechanics of the Young’s modulus. Compos. Part B Eng. 2017, 125, 203–210. [Google Scholar] [CrossRef]
- Schwarzkopf, M.J.; Burnard, M.D. Environmental Impacts of Traditional and Innovative Forest-Based Bioproducts; Springer: Singapore, 2016; pp. 19–44. [Google Scholar]
- Jiménez, A.M.; Espinach, F.X.; Delgado-Aguilar, M.; Reixach, R.; Quintana, G.; Fullana-i-Palmer, P.; Mutje, P. Starch-Based Biopolymer Reinforced with High Yield Fibers from Sugarcane Bagasse as a Technical and Environmentally Friendly Alternative to High Density Polyethylene. BioResources 2016, 11, 9856–9868. [Google Scholar] [CrossRef]
- Serrano, A.; Espinach, F.X.; Tresserras, J.; Pellicer, N.; Alcala, M.; Mutje, P. Study on the technical feasibility of replacing glass fibers by old newspaper recycled fibers as polypropylene reinforcement. J. Clean. Prod. 2014, 65, 489–496. [Google Scholar] [CrossRef]
- Corbiere-Nicollier, T.; Gfeller Laban, B.; Lundquist, L.; Leterrier, Y.; Manson, J.A.E.; Jolliet, O. Life cycle assessment of biofibres replacing glass fibres as reinforcement in plastics. Resour. Conserv. Recycl. 2001, 33, 267–287. [Google Scholar] [CrossRef]
- Gandini, A. The irruption of polymers from renewable resources on the scene of macromolecular science and technology. Green Chem. 2011, 13, 1061–1083. [Google Scholar] [CrossRef]
- Anastas, P.; Warner, J. Green Chemistry: Theory and Practice; Oxford University Press: Oxford, UK, 1998. [Google Scholar]
- Espinach, F.X.; Granda, L.A.; Tarrés, Q.; Duran, J.; Fullana-I-Palmer, P.; Mutjé, P. Mechanical and micromechanical tensile strength of eucalyptus bleached fi bers reinforced polyoxymethylene composites. Compos. Part B Eng. 2016, 116, 333–339. [Google Scholar] [CrossRef]
- Oliver-Ortega, H.; Granda, L.A.; Espinach, F.X.; Delgado-Aguilar, M.; Duran, J.; Mutjé, P. Stiffness of bio-based polyamide 11 reinforced with softwood stone ground-wood fibres as an alternative to polypropylene-glass fibre composites. Eur. Polym. J. 2016, 84, 481–489. [Google Scholar] [CrossRef]
- Granda, L.A.; Espinach, F.X.; López, F.; García, J.C.; Delgado-Aguilar, M.; Mutjé, P. Semichemical fibres of Leucaena collinsii reinforced polypropylene: Macromechanical and micromechanical analysis. Compos. Part B Eng. 2016, 91, 384–391. [Google Scholar] [CrossRef]
- Kian, L.K.; Saba, N.; Jawaid, M.; Sultan, M.T.H. A review on processing techniques of bast fibers nanocellulose and its polylactic acid (PLA) nanocomposites. Int. J. Biol. Macromol. 2019, 121, 1314–1328. [Google Scholar] [CrossRef] [PubMed]
- Espinach, F.X.; Mendez, J.A.; Granda, L.A.; Pelach, M.A.; Delgado-Aguilar, M.; Mutjé, P. Bleached kraft softwood fibers reinforced polylactic acid composites, tensile and flexural strengths. In Natural Fibre-reinforced Biodegradable and Bioresorbable Polymer Composites; Lau, A.K.T., Hung, A.P.Y., Eds.; Elsevier Press: Amsterdam, The Netherlands, 2017. [Google Scholar]
- Bledzki, A.K.; Jaszkiewicz, A.; Scherzer, D. Mechanical properties of PLA composites with man-made cellulose and abaca fibres. Compos. Part A Appl. Sci. Manuf. 2009, 40, 404–412. [Google Scholar] [CrossRef]
- Huda, M.S.; Drzal, L.T.; Misra, M.; Mohanty, A.K.; Williams, K.; Mielewski, D.F. A study on biocomposites from recycled newspaper fiber and poly(lactic acid). Ind. Eng. Chem. Res. 2005, 44, 5593–5601. [Google Scholar] [CrossRef]
- Espinach, F.X.; Chamorro-Trenado, M.A.; Llorens, J.; Tresserras, J.; Pellicer, N.; Vilaseca, F.; Pelach, M.A. Study of the Flexural Modulus and the Micromechanics of Old Newspaper Reinforced Polypropylene Composites. BioResource 2019, 14, 3578–3593. [Google Scholar]
- La Rosa, A.D.; Recca, G.; Summerscales, J.; Latteri, A.; Cozzo, G.; Cicala, G. Bio-based versus traditional polymer composites. A life cycle assessment perspective. J. Clean. Prod. 2014, 74, 135–144. [Google Scholar] [CrossRef]
- Oliver-Ortega, H.; Chamorro-Trenado, M.À.; Soler, J.; Mutjé, P.; Vilaseca, F.; Espinach, F.X. Macro and micromechanical preliminary assessment of the tensile strength of particulate rapeseed sawdust reinforced polypropylene copolymer biocomposites for its use as building material. Constr. Build. Mater. 2018, 168, 422–430. [Google Scholar] [CrossRef]
- Thomason, J.; Jenkins, P.; Yang, L. Glass Fibre Strength—A Review with Relation to Composite Recycling. Fibers 2016, 4, 18. [Google Scholar] [CrossRef]
- Patel, H.K.; Ren, G.; Hogg, P.J.; Peijs, T. Hemp fibre as alternative to glass fibre in sheet moulding compound Part 1—Influence of fibre content and surface treatment on mechanical properties. Plast. Rubber Compos. 2010, 39, 268–276. [Google Scholar] [CrossRef]
- Derraik, J.G.B. The pollution of the marine environment by plastic debris: A review. Mar. Pollut. Bull. 2002, 44, 842–852. [Google Scholar] [CrossRef]
- Haider, T.P.; Völker, C.; Kramm, J.; Landfester, K.; Wurm, F.R. Plastics of the Future? The Impact of Biodegradable Polymers on the Environment and on Society. Angew. Chem. Int. Ed. 2019, 58, 50–62. [Google Scholar] [CrossRef]
- Delgado-Aguilar, M.; Reixach, R.; Tarrés, Q.; Espinach, F.X.; Mutjé, P.; Méndez, J.A. Bleached kraft eucalyptus fibers as reinforcement of poly(lactic acid) for the development of high-performance biocomposites. Polymers 2018, 10, 699. [Google Scholar] [CrossRef] [PubMed]
- Vilaseca, F.; Méndez, J.A.; López, J.P.; Vallejos, M.E.; Barberà, L.; Pèlach, M.A.; Turon, X.; Mutjé, P. Recovered and recycled Kraft fibers as reinforcement of PP composites. Chem. Eng. J. 2008, 138, 586–595. [Google Scholar] [CrossRef]
- Oliver-Ortega, H.; Granda, L.A.; Espinach, F.X.; Méndez, J.A.; Julian, F.; Mutjé, P. Tensile properties and micromechanical analysis of stone groundwood from softwood reinforced bio-based polyamide11 composites. Compos. Sci. Technol. 2016, 132, 123–130. [Google Scholar] [CrossRef]
- Birnin-yauri, A.U.; Ibrahim, N.A.; Zainuddin, N.; Abdan, K.; Then, Y.Y.; Chieng, B.W. Effect of maleic anhydride-modified poly(lactic acid) on the properties of its hybrid fiber biocomposites. Polymers 2017, 9, 165. [Google Scholar] [CrossRef]
- Fuqua, M.A.; Chevali, V.S.; Ulven, C.A. Lignocellulosic byproducts as filler in polypropylene: Comprehensive study on the effects of compatibilization and loading. J. Appl. Polym. Sci. 2013, 127, 862–868. [Google Scholar] [CrossRef]
- Zabihzadeh, S.M.; Ebrahimi, G.; Enayati, A.A. Effect of compatibilizer on mechanical, morphological, and thermal properties of chemimechanical pulp-reinforced PP composites. J. Thermoplast. Compos. Mater. 2011, 24, 221–231. [Google Scholar] [CrossRef]
- Oliver-Ortega, H.; Méndez, J.A.; Reixach, R.; Espinach, F.X.; Ardanuy, M.; Mutjé, P. Towards More Sustainable Material Formulations: A Comparative Assessment of PA11-SGW Flexural Performance versus Oil-Based Composites. Polymers 2018, 10, 440. [Google Scholar] [CrossRef]
- Marais, A.; Wågberg, L. The use of polymeric amines to enhance the mechanical properties of lignocellulosic fibrous networks. Cellulose 2012, 19, 1437–1447. [Google Scholar] [CrossRef]
- Fišerová, M.; Gigac, J.; Ák, J.B.Č. Relationship between fibre characteristics and tensile strength of hardwood and softwood kraft pulps. Cellul. Chem. Technol. 2010, 44, 249–253. [Google Scholar]
- Risén, J.; Hultén, A.; Paulsson, M. Influence of fiber properties on the network strength of softwood and hardwood kraft pulp fibers from different stages of a bleaching sequence. J. Wood Chem. Technol. 2004, 24, 289–306. [Google Scholar] [CrossRef]
- Shah, D.U.; Nag, R.K.; Clifford, M.J. Why do we observe significant differences between measured and “back-calculated” properties of natural fibres? Cellulose 2016, 23, 1481–1490. [Google Scholar] [CrossRef]
- Granda, L.A.; Espinach, F.; Méndez, J.A.; Vilaseca, F.; Delgado-Aguilar, M.; Mutjé, P. Semichemical fibres of Leucaena collinsii reinforced polypropylene composites: Flexural characterisation, impact behaviour and water uptake properties. Compos. Part B Eng. 2016, 97, 176–182. [Google Scholar] [CrossRef]
- Granda, L.; Tarres, Q.; Espinach, F.X.; Julián, F.; Méndez, J.A.; Delgado-Aguilar, M.; Mutjé, P. Fully biodegradable polylactic composites reinforced with bleached softwood fibers. Cellul. Chem. Technol. 2016, 50, 417–422. [Google Scholar]
- Hashemi, S. Hybridisation effect on flexural properties of single- and double-gated injection moulded acrylonitrile butadiene styrene (ABS) filled with short glass fibres and glass beads particles. J. Mater. Sci. 2008, 43, 4811–4819. [Google Scholar] [CrossRef]
- Gironès, J.; Lopez, J.P.; Vilaseca, F.; Bayer, R.; Herrera-Franco, P.J.; Mutjé, P. Biocomposites from Musa textilis and polypropylene: Evaluation of flexural properties and impact strength. Compos. Sci. Technol. 2011, 71, 122–128. [Google Scholar] [CrossRef]
- Granda, L.A.; Espinach, F.X.; Tarrés, Q.; Méndez, J.A.; Delgado-Aguilar, M.; Mutjé, P. Towards a good interphase between bleached kraft softwood fi bers and poly(lactic) acid. Compos. Part B Eng. 2016, 99, 514–520. [Google Scholar] [CrossRef]
- López, J.P.; Gironès, J.; Mendez, J.A.; Pèlach, M.A.; Vilaseca, F.; Mutjé, P. Impact and flexural properties of stone-ground wood pulp-reinforced polypropylene composites. Polym. Compos. 2013, 34, 842–848. [Google Scholar] [CrossRef]
- Matarazzo, E.; Thereza, A.; Cecon, A.; Science, A. Polypropylene Composites Reinforced with Biodegraded Sugarcane Bagasse Fibers: Static and Dynamic Mechanical Properties. Mater. Res. 2015, 19. [Google Scholar] [CrossRef]
- Espinach, F.X.; Delgado-Aguilar, M.; Puig, J.; Julian, F.; Boufi, S.; Mutje, P. Flexural properties of fully biodegradable alpha-grass fibers reinforced starch-based thermoplastics. Compos. Part B Eng. 2015, 81, 98–106. [Google Scholar] [CrossRef]
- Adhikary, K.B.; Pang, S.; Staiger, M.P. Dimensional stability and mechanical behaviour of wood-plastic composites based on recycled and virgin high-density polyethylene (HDPE). Compos. Part B Eng. 2008, 39, 807–815. [Google Scholar] [CrossRef]
- Wambua, P.; Ivens, J.; Verpoest, I. Natural fibres: Can they replace glass in fibre reinforced plastics? Compos. Sci. Technol. 2003, 63, 1259–1264. [Google Scholar] [CrossRef]
- Koronis, G.; Silva, A.; Fontul, M. Green composites: A review of adequate materials for automotive applications. Compos. Part B Eng. 2013, 44, 120–127. [Google Scholar] [CrossRef]
- Korabel’nikov, Y.G.; Rashkovan, I.A. Strength and mechanism of freacture of composites randomly reinforced with short carbon fibres. Fibre Chem. 2006, 38, 142–146. [Google Scholar] [CrossRef]
- Fukuda, H.; Chou, T.-W. A probabilistic theory of the strength of short-fibre composites with variable fibre length and orientation. J. Mater. Sci. 1982, 1003–1011. [Google Scholar] [CrossRef]
- Sanadi, A.R.; Young, R.A.; Clemons, C.; Rowell, R.M. Recycled Newspaper Fibers as Reinforcing Fillers in Thermoplastics: Part I-Analysis of Tensile and Impact Properties in Polypropylene. J. Reinf. Plast. Compos. 1994, 13, 54–67. [Google Scholar] [CrossRef]
- Kelly, A.; Tyson, W.R. Tensile properties of fibre-reinforced metals-copper/tungsten and copper/molybdenum. J. Mech. Phys. Solids 1965, 13, 329–338. [Google Scholar] [CrossRef]
- Bowyer, W.H.; Bader, H.G. On the reinforcement of thermoplastics by imperfectly aligned discontinuous fibres. J. Mater. Sci. 1972, 7, 1315–1321. [Google Scholar] [CrossRef]
- Vilaseca, F.; Valadez-Gonzalez, A.; Herrera-Franco, P.J.; Pelach, M.; Lopez, J.P.; Mutje, P. Biocomposites from abaca strands and polypropylene. Part I: Evaluation of the tensile properties. Bioresour. Technol. 2010, 101, 387–395. [Google Scholar] [CrossRef] [PubMed]
- Thomason, J.L. Interfacial strength in thermoplastic composites—At last an industry friendly measurement method? Compos. Part A Appl. Sci. Manuf. 2002, 33, 1283–1288. [Google Scholar] [CrossRef]
- Thomason, J.L.; Vlug, M.A.; Schipper, G.; Krikor, H.G.L.T. Influence of fibre length and concentration on the properties of glass fibre-reinforced polypropylene: Part 3. Strength and strain at failure. Compos. Part A Appl. Sci. Manuf. 1996, 27, 1075–1084. [Google Scholar] [CrossRef]
- Rodriguez, M.; Rodriguez, A.; R, J.B.; Vilaseca, F.; Girones, J.; Mutje, P. Determination of corn stalk fibers’ strength through modeling of the mechanical properties of its composites. BioResources 2010, 5, 2535–2546. [Google Scholar]
- Vallejos, M.E.; Espinach, F.X.; Julian, F.; Torres, L.; Vilaseca, F.; Mutje, P. Micromechanics of hemp strands in polypropylene composites. Compos. Sci. Technol. 2012, 72, 1209–1213. [Google Scholar] [CrossRef]
- Li, J. How Much Should the Yield of Softwood Chemical Pulp (Kraft Pulp) be Improved? Institute of Paper Science and Technology: Atlanta, Georgia, 1999. [Google Scholar]
- Karlsson, H. Some Aspects on Strength Properties in Paper Composed of Different Pulps; Karlstad University: Varmland, Switzerland, 2007. [Google Scholar]
- López, J.P.; Méndez, J.A.; El Mansouri, N.-E.; Mutjé, P.; Vilaseca, F. Mean intrinsic tensile properties of stone groundwood fibers from softwood. BioResources 2011, 6, 5037–5049. [Google Scholar]
- Reixach, R.; Espinach, F.X.; Franco-Marquès, E.; Ramirez de Cartagena, F.; Pellicer, N.; Tresserras, J.; Mutjé, P. Modeling of the Tensile Moduli of Mechanical, Thermomechanical, and Chemi-Thermomechanical Pulps from Orange Tree Pruning. Polym. Compos. 2013, 34, 1840–1846. [Google Scholar] [CrossRef]
- Raj, G.; Balnois, E.; Baley, C.; Grohens, Y. Probing cellulose/polylactic acid interactions in model biocomposite by colloidal force microscopy. Colloids Surfaces A Physicochem. Eng. Asp. 2009, 352, 47–55. [Google Scholar] [CrossRef]
- Bondeson, D.; Oksman, K. Polylactic acid/cellulose whisker nanocomposites modified by polyvinyl alcohol. Compos. Part A Appl. Sci. Manuf. 2007, 38, 2486–2492. [Google Scholar] [CrossRef]
- Cava, D.; Gavara, R.; Lagarón, J.M.; Voelkel, A. Surface characterization of poly(lactic acid) and polycaprolactone by inverse gas chromatography. J. Chromatogr. A 2007, 1148, 86–91. [Google Scholar] [CrossRef]
- Delgado-Aguilar, M.; Oliver-Ortega, H.; Alberto Méndez, J.; Camps, J.; Espinach, F.X.; Mutjé, P. The role of lignin on the mechanical performance of polylactic acid and jute composites. Int. J. Biol. Macromol. 2018, 116, 229–304. [Google Scholar] [CrossRef] [PubMed]
Samples | Vf | σfC (MPa) | D (mm) | εfC (%) | σfm* (MPa) |
---|---|---|---|---|---|
PLA | 0 | 69.3 ± 0.9 | 3.4 ± 0.3 | 2.26 | 69.3 |
PLA + 15% BKSF | 0.135 | 81.1 ± 1.0 | 3.2 ± 0.1 | 2.12 | 65.8 |
PLA + 20% BKSF | 0.181 | 89.3 ± 0.7 | 3.1 ± 0.4 | 2.06 | 64.4 |
PLA + 25% BKSF | 0.228 | 95.5 ± 1.1 | 3.1 ± 0.4 | 2.06 | 64.4 |
PLA + 30% BKSF | 0.275 | 99.7 ± 0.5 | 3.0 ± 0.2 | 2.00 | 62.9 |
Fiber Content (%) | σtf (MPa) | σtcexp (MPa) | σtcKT (MPa) | σtcRofM (MPa) |
---|---|---|---|---|
15 | 705.59 | 57.5 | 58.33 | 58.09 |
20 | 820.39 | 62.9 | 62.09 | 61.78 |
25 | 772.06 | 65.6 | 65.55 | 65.43 |
30 | 779.64 | 68.8 | 68.56 | 69.15 |
769.42 | R2 = 0.985 | R2 = 0.975 |
Fiber Content (%) | VF | σff (MPa) | fcf | fct |
---|---|---|---|---|
15 | 0.135 | 984 | 0.182 | 0.155 |
20 | 0.181 | 1192 | 0.169 | 0.175 |
25 | 0.228 | 1163 | 0.173 | 0.174 |
30 | 0.275 | 1168 | 0.168 | 0.170 |
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Tarrés, Q.; Oliver-Ortega, H.; Espinach, F.X.; Mutjé, P.; Delgado-Aguilar, M.; Méndez, J.A. Determination of Mean Intrinsic Flexural Strength and Coupling Factor of Natural Fiber Reinforcement in Polylactic Acid Biocomposites. Polymers 2019, 11, 1736. https://doi.org/10.3390/polym11111736
Tarrés Q, Oliver-Ortega H, Espinach FX, Mutjé P, Delgado-Aguilar M, Méndez JA. Determination of Mean Intrinsic Flexural Strength and Coupling Factor of Natural Fiber Reinforcement in Polylactic Acid Biocomposites. Polymers. 2019; 11(11):1736. https://doi.org/10.3390/polym11111736
Chicago/Turabian StyleTarrés, Quim, Helena Oliver-Ortega, F. Xavier Espinach, Pere Mutjé, Marc Delgado-Aguilar, and José A. Méndez. 2019. "Determination of Mean Intrinsic Flexural Strength and Coupling Factor of Natural Fiber Reinforcement in Polylactic Acid Biocomposites" Polymers 11, no. 11: 1736. https://doi.org/10.3390/polym11111736