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Effect of ground tyre rubber content on self-healing properties of natural rubber composites

  • Mimi Syahira Masraff , Nadras Othman , Muhamad Sharan Musa , Dai Lam Tran and Raa Khimi Shuib EMAIL logo
Published/Copyright: April 15, 2024

Abstract

In this investigation, we study the influence of the loading of ground tyre rubber (GTR), referred to as rubber dust 40 mesh (RD40), on the intrinsic self-healing natural rubber (NR) based on metal-thiolate ionic networks. The loading of RD40 particles was varied at 10, 20, and 30 phr to assess the optimum amount for interfacial bonding, mechanical and dynamic properties, and healing efficiency. The quantitative measurement of metal-thiolate ion networks and covalent crosslinks was assessed through swelling tests. The effects of RD40 loading on the dynamic mechanical properties and morphological characteristics were also investigated. Tensile properties of the rubbers before and after healing were measured using universal testing tester to obtain healing efficiency of the materials. The results showed that the developed materials have the ability to autonomously repair themselves at room temperature without the need for manual intervention. The results also revealed the tensile strength and elongation at break of self-healing NRs filled with 10 phr of RD40 were recovered 92 % and 93 %, respectively. The findings demonstrated the benefits of utilizing GTR as an effective sustainable filler and advanced the understanding of self-healing strategies and the interaction between ground tyre rubber and rubber matrices.


Corresponding author: Raa Khimi Shuib, School of Materials and Mineral Resources Engineering, USM Engineering Campus, Universiti Sains Malaysia, 14300 Nibong Tebal, Pulau Pinang, Malaysia, e-mail:
Article note: A collection of invited papers on the advanced materials for environmental protection.

Funding source: Ministry of Higher Education Malaysia Fundamental Research Grant Scheme

Award Identifier / Grant number: FRGS/1/2021/TK0/USM/02/1

  1. Research funding: This work was supported by the Ministry of Higher Education Malaysia for Fundamental Research Grant Scheme with Project Code: FRGS/1/2021/TK0/USM/02/1.

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Published Online: 2024-04-15
Published in Print: 2024-08-27

© 2024 IUPAC & De Gruyter

Articles in the same Issue

  1. Frontmatter
  2. In this issue
  3. Preface
  4. Special issue on “Advanced materials for environmental protection and sustainability in Asean countries”
  5. Special topic papers
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  8. Biochar-based catalysts: a potential disposal of plant biomass from phytoremediation
  9. Bio-based aerogel composites of coconut pith-derived carbon and chitosan for efficient anionic dye-polluted water treatment
  10. Study on synthesizing the complex of sorafenib with 2-hydroxypropyl-β-cyclodextrin to enhance the anticancer activity of the drug substance
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  12. Efficient synthesis of tricaproin: catalyst and reaction optimization
  13. Enhanced photocatalytic and antibacterial properties of silver–zirconia nanoparticles for environmental pollution treatment
  14. Preparation of sulfur nanoparticles in chitosan-copper complex and investigation of its nematicidal activity against Pratylenchus pratensis in vitro
  15. Fabrication of cathode electrodes based on activated carbon, reduced-graphene for hybrid capacitive deionization technology
  16. Biodegradable thermochromic polylactic acid (PLA) sensor
  17. Effect of ground tyre rubber content on self-healing properties of natural rubber composites
  18. Preparation of composite based on MXene-Ti3C2 and coconutshell-derived activated carbon for desalination of brackish water
  19. Producing an antibacterial acrylic polyurethane coating with acylated mimosa tannins
  20. Effect of multi-walled carbon nanotubes reinforcement on self-healing performance of natural rubber
  21. Mechanical properties of web kapok/fiberglass-epoxy hybrid composites for marine structures
  22. Investigation on recycling and reprocessing ability of self-healing natural rubber based on ionic crosslink network
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