Arabian Journal for Science and Engineering

, Volume 44, Issue 2, pp 845–856 | Cite as

Effect of Dual Pre-treatment on Mechanical, Morphological, Electrical and Thermal Properties of Rubber Seed Shell-Reinforced Epoxy Composites

  • Sumit Das LalaEmail author
  • Ashish. B. Deoghare
  • Sushovan Chatterjee
Research Article - Mechanical Engineering


The intent of the current study is to develop composite material from biodegradable waste rubber seed shell (RSS) and epoxy resin. The purpose is to enhance the properties of the polymer by reinforcing with RSS filler. The effect of dual pre-treatment on the mechanical, morphological, electrical and thermal properties of RSS through solvent extraction and alkali treatment processes is investigated in the present work. Composite material is developed using 5, 10, 15 and 20 wt% of RSS. Tensile test results show an increase in the tensile strength and Young’s modulus of the treated composite specimens compared to non-treated ones. The pre-treatment of the shell using solvent extraction and alkali treatment shows a considerable reduction in moisture absorption by the composite. Scanning electron microscope observations reveal excellent interaction between the pre-treated RSS and epoxy matrix with the reduction in fiber pullout, micro-spaces and voids. The inclusion of RSS filler does not have significant effect on the thermal stability of the composite. But incorporation of RSS fillers lowers the electrical conductivity of the epoxy matrix. Thus, rubber seed shell-reinforced epoxy composites are expected to be effective in reducing agricultural waste and may find promising applications in the development of value added products.


Reinforcement Matrix Composites Mechanical properties 


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  1. 1.
    Essabir, H.; Hilali, E.; Elgharad, A.; El Minor, H.; Imad, A.; Elamraoui, A.; Al Gaoudi, O.: Mechanical and thermal properties of bio-composites based on polypropylene reinforced with Nut-shells of Argan particles. Mater. Des. 49, 442–448 (2013)CrossRefGoogle Scholar
  2. 2.
    Sahin, A.; Tasdemir, H.M.; Karabulut, A.F.; Gürü, M.: Mechanical and thermal properties of particleboard manufactured from waste peachnut shell with glass powder. Arab. J Sci Eng. 42, 1559–1568 (2017)CrossRefGoogle Scholar
  3. 3.
    Sapuan, S.M.; Harimi, M.; Maleque, M.A.: Mechanical properties of epoxy/coconut shell filler particle composites. Arab. J. Sci. Eng. 28, 171–181 (2003)Google Scholar
  4. 4.
    Online, V.A.; Yu, Y.; Guo, Y.; Jiang, T.; Jiang, K.; Li, J.; Guo, S.: RSC advances laser sintering and post-processing of a walnut. RSC Adv. 7, 23176–23181 (2017)CrossRefGoogle Scholar
  5. 5.
    Nitin, S.; Singh, V.K.: Mechanical behaviour of walnut reinforced composite. J. Mater. Environ. Sci. 4, 233–238 (2013)Google Scholar
  6. 6.
    Essabir, H.; Achaby, M.E.; Hilali, E.M.; Bouhfid, R.; Qaiss, A.: Morphological, structural, thermal and tensile properties of high density polyethylene composites reinforced with treated argan nut shell particles. J. Bionic Eng. 12, 129–141 (2015)CrossRefGoogle Scholar
  7. 7.
    Bagheri, R.; Marouf, B.T.; Pearson, R.A.: Rubber-toughened epoxies? A critical review. J. Macromol. Sci. Polym. Rev. 49, 201–225 (2009)Google Scholar
  8. 8.
    Talikoti, C.B.; Hawal, T.T.; Kakkamari, P.P.; Patil, M.S.: Preparation and characterization of epoxy composite reinforced with walnut shell powder. Int. Res. J. Eng. Technol. 2, 721–725 (2015)Google Scholar
  9. 9.
    Zaaba, N.F.; Ismail, H.; Mariatti, M.: Utilization of polyvinyl alcohol on properties of recycled polypropylene/peanut shell powder composites. Proc. Chem. 19, 763–769 (2016)CrossRefGoogle Scholar
  10. 10.
    Zahra, F.; Mechtali, E.; Essabir, H.; Nekhlaoui, S.; Bensalah, M.O.: Mechanical and thermal properties of polypropylene reinforced with almond shells particles? Impact of chemical treatments. J. Bionic Eng. 12, 483–494 (2015)CrossRefGoogle Scholar
  11. 11.
    Xu, K.; Tu, D.; Chen, T.; Zhong, T.; Lu, J.: Effects of environmental-friendly modified rubber seed shell on the comprehensive properties of high density polyethylene/rubber seed shell composites. Ind. Crops Prod. 91, 132–141 (2016)CrossRefGoogle Scholar
  12. 12.
    Kumar, S.S.; Kanagaraj, G.: Effect of graphite and silicon carbide fillers on mechanical properties of PA6 polymer composites. Polym. Eng. 4, 1–11 (2016)Google Scholar
  13. 13.
    Olsson, A.; Salm, L.: The association of water to cellulose and hemicellulose in paper examined by FTIR spectroscopy. The association of water to cellulose and hemicellulose in paper. Carbohydr. Res. 339, 813–818 (2014)CrossRefGoogle Scholar
  14. 14.
    Essabir, H.; Bensalah, M.O.; Rodrigue, D.; Bouhfid, R.; Qaiss, A.E.K.: Biocomposites based on Argan nut shell and a polymer matrix: effect of filler content and coupling agent. Carbohydr. Polym. 143, 70–83 (2016)CrossRefGoogle Scholar
  15. 15.
    Akil, H.M.; Cheng, L.W.; Mohd Ishak, Z.A.; Abu Bakar, A.; Abd Rahman, M.A.: Water absorption study on pultruded jute fibre reinforced unsaturated polyester composites. Compos. Sci. Technol. 69, 1942–1948 (2009)CrossRefGoogle Scholar
  16. 16.
    Hassan, S.N.A.M.; Ishak, M.A.M.; Ismail, K.; Ali, S.N.; Yusop, M.F.: Comparison study of rubber seed shell and kernel (Hevea brasiliensis) as raw material for bio-oil production. Energy Proce. 52, 610–617 (2014)CrossRefGoogle Scholar
  17. 17.
    Chen, B.C.; Robert, D.: Characterization of lignin by IH and 13C NMR spectroscopy. Methods Enzymol. 161, 137–174 (1988)CrossRefGoogle Scholar
  18. 18.
    Taylor, P.; Zhu, W.; Westman, G.; Theliander, H.: Investigation and characterization of lignin precipitation in the lignoboost process. J. Wood Chem. Technol. 34, 77–97 (2014)CrossRefGoogle Scholar
  19. 19.
    Mei, Q.; Liu, H.; Shen, X.; Meng, Q.; Liu, H.; Xiang, J.; Han, B.: Selective utilization of the methoxy group in lignin to produce acetic acid. Angew. Chem. Int. Ed. 56, 14868–14872 (2017)CrossRefGoogle Scholar
  20. 20.
    Hu, S.; Hoxu, F.; Odani, H.: 1H NMR study of the solvation and gelation in a poly(vinyl alcohol)/ DMSO-d6 / H20 system. Bull. Inst. Chem. Res. 67, 5–6 (1987)Google Scholar

Copyright information

© King Fahd University of Petroleum & Minerals 2018

Authors and Affiliations

  • Sumit Das Lala
    • 1
    Email author
  • Ashish. B. Deoghare
    • 1
  • Sushovan Chatterjee
    • 2
  1. 1.Department of Mechanical EngineeringNational Institute of Technology SilcharSilcharIndia
  2. 2.Department of Mechanical EngineeringCooch Behar Government Engineering CollegeCooch BeharIndia

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