Exploring the Synergistic Influences of Clay Nanoplatelets and Waste Eggshell Particles on PMMA-Based Hybrid Nanocomposites
Abstract
This study investigates the impact of incorporating clay nanoplatelets and waste eggshell particles into poly(methyl methacrylate) (PMMA) to develop hybrid nanocomposites with improved mechanical and structural properties. Waste eggshells, rich in biogenic calcium carbonate, were utilized as a sustainable, low-cost filler, while clay nanoplatelets provided nanoscale reinforcement and improved interfacial bonding. The hybrid nanocomposites were prepared at a filler content of 5 % (hereafter designated as 5 wt.%) using the solution casting method. Scanning electron microscopy (SEM) was employed to examine the dispersion and morphology
of the fillers within the structure of the PMMA matrix. At the same time, Fourier-transform infrared spectroscopy (FTIR) was utilized to assess the powder chemical interactions and potential bonding between the fillers (clay nanoplatelets and eggshell particles) and the PMMA matrix. The mechanical behavior of the PMMA and the produced hybrid nanocomposites was also evaluated through tensile testing. The results indicate a synergistic enhancement due to the combination of organic biowaste and inorganic nanoclay, offering a promising route for the development of sustainable, high-performance polymer nanocomposites.
Keywords:
clay nanoplatelets, waste eggshell particles, PMMA, hybrid nanocomposites, tensile mechanical propertiesReferences
- Pituru S.M., Greabu M., Totan A., Imare M., Pantea M., Spinu T., Tancu A.M.C., Popoviciu N.O., Stanescu I.-I., Ionescu E., A review on the biocompatibility of PMMA-based dental materials for interim prosthetic restorations with a glimpse into their modern manufacturing techniques, Materials, 13(13): 2894, 2020, https://doi.org/10.3390/ma13132894
- Adil H., Ibraheem H.A., Naser H.G., Shaker A., Salman G., Al-Mashhadanl M., Abdullayeva M., Fellah M., Husaln A.A., Yousif E., Enhancing photoirradiation stability: a review on modification of poly(methyl methacrylate), Al-Nahrain Journal of Science, 27(3): 32–42, 2024.
- Diez-Pascual A.M., PMMA-based nanocomposites for odontology applications: a state-of-the-art, International Journal of Molecular Science, 23(18): 10288, 2022, https://doi.org/10.3390/ijms231810288
- Ali Sabri B., Satgunam M., Abreeza N.N., Abed A.N., A review on enhancements of PMMA denture base material with different nano-fillers, Cogent Engineering, 8(1): 1875968, 2021, https://doi.org/10.1080/23311916.2021.1875968
- Zafar M.S., Prosthodontic applications of polymethyl methacrylate (PMMA): an update, Polymers, 12(10): 2299, 2020, https://doi.org/10.3390/polym12102299
- Bain E.D., Mrozek R.A., Lenhart J.L., Role of weak particle-matrix interfacial adhesion in deformation and fracture mechanisms of rigid particulate-filled poly(methyl methacrylate), Mechanics of Materials, 104: 1–12, 2017, https://doi.org/10.1016/j.mechmat.2016.09.014
- Shi S., Lin C., Liu C., Chen T., Tribological and mechanical properties of cellulose/PMMA composite, Polymers and Polymer Composites, 30: 1–11, 2022, https://doi.org/10.1177/09673911221140935
- Alamgir M., Darban Z., Verma P., Baharin S., Shahabuddin S., Synthesis and characterization of PMMA/Nanoclay composite as an excellent dental material, Orbital: The Electronic Journal of Chemistry, 16(4): 229–233, 2024, https://doi.org/10.17807/orbital.v16i4.18727
- Alhareb A.O., Akil H.M., Ahmad Z.A., Impact strength, fracture toughness and hardness improvement of PMMA denture base through addition of nitrile rubber/ceramic fillers, The Saudi Journal for Dental Research, 8(1–2): 26–34, 2017, https://doi.org/10.1016/j.sjdr.2016.04.004
- Kumar S., Gupta A., Preparation and mechanical properties of Nanoclay-MWCNT/Epoxy hybrid nanocomposites, Journal of Applied Research in Technology & Engineering, 2(1): 17, 2021, https://doi.org/10.4995/jarte.2021.14239
- Miedzianowska J., Masłowski M., Rybiński P., Strzelec K., Modified nanoclays/straw fillers as functional additives of natural rubber biocomposites, Polymers, 13(5): 799, 2021, https://doi.org/10.3390/polym13050799
- Almansoori A., Alkaron W., Effect of low-pressure plasma treatment on the thermal behaviour of organo-modified montmorillonite nanoclay, Archives of Materials Science and Engineering, 125(1): 5–14, 2024, https://doi.org/10.5604/01.3001.0054.4729
- Ghaffari T., Barzegar A., Rad F.H., Moslehifard E., Effect of nanoclay on thermal conductivity and flexural strength of polymethyl methacrylate acrylic resin, Journal of Dentistry, Shiraz University of Medical Sciences, 17(2): 121–127, 2016.
- Abdulridha N.J., Al-Ghaban A.M., Al-Obaidi A.J., Improvement of the mechanical properties of biphasic calcium phosphate ceramic composite using silicene, Engineering Transactions, 71(2): 185–195, 2023, https://doi.org/10.24423/EngTrans.3070.20230328
- Almansoori A., Hamad S.F., Alkaron W., Laser sintering of Polyamide 12 nanocomposites: combined effects of plasma treatment and laser energy, 3D Printing and Additive Manufacturing, 13(3): 262–272, 2026, https://doi.org/10.1089/3dp.2024.0248
- Hassan S.B., Aigbodion V.S., Patrick S.N., Development of polyester/eggshell particulate composites, Tribology in Industry, 34(4): 217–225, 2012.
- Oladele I., Makinde-Isola B., Adediran A., Oladejo M., Owa A., Olayanju T., Mechanical and wear behaviour of pulverised poultry eggshell/sisal fiber hybrid reinforced epoxy composites, Materials Research Express, 7(4): 045304, 2020, https://doi.org/10.1088/2053-1591/ab8585
- Homavand A., Cree D.E., Wilson L.D., Polylactic acid composites reinforced with eggshell/CaCO3 filler particles: a review, Waste, 2(2): 169–185, 2024, https://doi.org/10.3390/waste2020010
- Feng Y., Ashok B., Madhukar K., Zhang J., Zhang J., Obi Reddy K., Varada Rajulu A., Preparation and characterization of polypropylene carbonate bio-filler (eggshell powder) composite films, International Journal of Polymer Analysis and Characterization, 19(7): 637–647, 2014, https://doi.org/10.1080/1023666X.2014.953747
- Alkaron W.A., Hamad S.F., Sabri M.M., Studying the fabrication and characterization of polymer composites reinforced with waste eggshell powder, Advances in Polymer Technology, 2023(1): 7640478, 2023, https://doi.org/10.1155/2023/7640478
- Sunardi S., Ariawan D., Surojo E., Prabowo A.R., Akbar H.I., Carvalho H., Assessment of eggshell-based material as a green-composite filler: project milestones and future potential as an engineering material, Journal of the Mechanical Behavior of Materials, 32(1), 2023, https://doi.org/10.1515/jmbm-2022-0269
- Kalayci T., Altug D.T., Kinayturk N.K., Tunalı B., Characterization and potential usage of selected eggshell species, Scientific Reports, 15: 6241, 2025, https://doi.org/10.1038/s41598-025-87786-y
- Abbas A.T., Al-Obaidi A.J., Ahmed S.J., Synthesis and study of the mechanical properties of biodegradable polyvinyl alcohol/eggshell composites, Journal of Engineering Science and Technology, 16(4): 3084–3093, 2021.
- Solhi L., Atai M., Nodehi A., Imani M., A novel dentin bonding system containing poly(methacrylic acid) grafted nanoclay: synthesis, characterization and properties, Dental Materials, 28(10): 1041–1050, 2012, https://doi.org/10.1016/j.dental.2012.06.004
- Lubis M., Ginting M.H.S., Dalimunthe N.F., Hasibuan D.M.T., Sastrodihardjo S., The influence of chicken egg shell as fillers on biocomposite acrylic resin for denture based, IOP Conference Series: Materials Science and Engineering, 180: 012008, 2017, https://doi.org/10.1088/1757-899X/180/1/012008
- Syafrinani S., Purba S.M.B., The utilization of eggshell as reinforcing material of heat cured acrylic resin denture base, Dentika: Dental Journal, 25(2): 62–65, 2022, https://doi.org/10.32734/dentika.v25i2.8843
- Mekhzoum M., Raji M., Rodrigue D., El Kacem Qaiss A., Bouhfid R., The effect of benzothiazolium surfactant modified montmorillonite content on the properties of polyamide 6 nanocomposites, Applied Clay Science, 185: 105417, 2020, https://doi.org/10.1016/j.clay.2019.105417
- Ashraf M.A., Peng W., Zare Y., Rhee K.Y., Effects of size and aggregation/agglomeration of nanoparticles on the interfacial/interphase properties and tensile strength of polymer nanocomposites, Nanoscale Research Letters, 13(1): 214, 2018, https://doi.org/10.1186/s11671-018-2624-0
- Yusoh K., Kumaran S.V., Ismail F.S., Surface modification of nanoclay for the synthesis of polycaprolactone (PCL) – clay nanocomposite, MATEC Web Conference, 150(180): 02005, 2018, https://doi.org/10.1051/matecconf/201815002005
- Wang K., Wang L., Wu J., Chen L., He C., Preparation of highly exfoliated epoxy/clay nanocomposites by “slurry compounding”: process and mechanisms, Langmuir, 21(8): 3613–3618, 2005, https://doi.org/10.1021/la047709u
- Kumar M., Arun S., Upadhyaya P., Pugazhenthi G., Properties of PMMA/clay nanocomposites prepared using various compatibilizers, International Journal of Mechanical and Materials Engineering, 10(1): 7, 2025, https://doi.org/10.1186/s40712-015-0035-x
- Tizo M., Blanco L.A.V., Cagas A.C.Q., Dela Cruz B.R.B., Encoy J.C., Gunting J.V., Arazo R.O., Mabayo V.I.F., Efficiency of calcium carbonate from eggshells as an adsorbent for cadmium removal in aqueous solution, Sustainable Environment Research, 28(6): 326–332, 2018, https://doi.org/10.1016/j.serj.2018.09.002
- Pandey P., Mohanty S., Nayak S.K., Thermal dehydroxylation of clay as alternative to organic modification: effects on properties of nanocomposites, Plastics, Rubber and Composites, 43(5): 166–176, 2014, https://doi.org/10.1179/1743289814Y.0000000084
- Supova M., Martynkova G.S., Barabaszova K., Effect of nanofillers dispersion in polymer matrices: a review, Science of Advanced Materials, 3(1): 1–25, 2011, https://doi.org/10.1166/sam.2011.1136
- Abdollahi Boraei S.B., Bakhshandeh B., Mohammadzadeh F., Haghighi D.M., Mohammadpour Z., Clay-reinforced PVC composites and nanocomposites, Heliyon, 10(7): e29196, 2024, https://doi.org/10.1016/j.heliyon.2024.e29196
- Owuamanam S., Soleimani M., Cree D.E., Fabrication and characterization of bio-epoxy eggshell composites, Applied Mechanics, 2(4): 694–713, 2021, https://doi.org/10.3390/applmech2040040
- Kim G.H., Hwang S.W., Jung B.N., Kang D.H., Shim J.K., Seo K.H., Effect of PMMA/silica hybrid particles on interfacial adhesion and crystallization properties of poly(lactic acid)/block acrylic elastomer composites, Polymers, 12(10): 2231, 2020, https://doi.org/10.3390/polym12102231
- Murugan S., Munusamy Y., Ismail H., Effects of chicken eggshell filler size on the processing, mechanical and thermal properties of PVC matrix composite, Plastics, Rubber and Composites, 46(1): 42–51, 2017, https://doi.org/10.1080/14658011.2016.1260217
- Raja Othman R.N., Subramaniam D.K., Ezani N., Abdullah M.F., Ku Ahmad K.Z., The synergistic effects of hybrid micro and nano silica in influencing the mechanical properties of epoxy composites – a new model, Polymers, 14(19): 3969, 2022, https://doi.org/10.3390/polym14193969
- Mutalikdesai S., Hadapad A., Patole S., Hatti G., Fabrication and mechanical characterization of glass fibre reinforced epoxy hybrid composites using fly ash/nano clay/zinc oxide as filler, IOP Conference Series Materials Science and Engineering, 376(1): 012061, 2018, https://doi.org/10.1088/1757-899X/376/1/012061
- Chee S.S., Jawaid M., Alothman O.Y., Fouad H., Effects of nanoclay on mechanical and dynamic mechanical properties of bamboo/kenaf reinforced epoxy, Polymers, 13(395): 395, 2021, https://doi.org/10.3390/polym13030395
- Lucio D., Armenta J., Hernandez A., Zednik R., Moreno I., Effect of nano CaCO3 particles from eggshell on mechanical and thermal properties in pp/eggshell composites, Journal of Engineering Technology, 6(2): 456–468, 2018.

