Investigate the effect of ground tyre rubber as a reinforcement filler in natural rubber hybrid composites

Kaliyappan, P.; Dhananchezian, M.

doi:10.1080/1539445x.2023.2169459

Cited by 2 publications

(10 citation statements)

References 44 publications

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“…This is due to the good dispersion between the NR/BR/ SBR with 40 phr of GTR, which increased the compatibility. 16,25,28 It was confirmed that the incorporation of 40 phr of GTR enhanced the σ. 16,19 This kind of observation indicates that the GTR particles are undissolved, uniformly distributed within the NR/BR/SBR matrix, and significantly amalgamated, indicating good interface adhesion between the intermixtures.…”

Section: Minimum Torque (M L ) and Maximum Torque (M H )mentioning

confidence: 69%

“…16,25,28 It was confirmed that the incorporation of 40 phr of GTR enhanced the σ. 16,19 This kind of observation indicates that the GTR particles are undissolved, uniformly distributed within the NR/BR/SBR matrix, and significantly amalgamated, indicating good interface adhesion between the intermixtures. It was also pointed out that no pinholes were observed in the NR/BR/SBR matrices.…”

Section: Minimum Torque (M L ) and Maximum Torque (M H )mentioning

confidence: 69%

“…This is due to enhanced interfacial adhesion and better dispersion in the composite. 16,18,27 the incorporation of GTR greater than 20 phr in NR/BR/SBR composites, tear strength was decreased but higher than pure NR (100), NR/BR/SBR (70/25/5) and NR/BR/SBR/GTR (70/25/5/10) composites. The maximum tear strength was obtained with 20 phr of GTR content when compared with pure NR and all other samples.…”

Section: Hardness and Tear Strengthmentioning

confidence: 97%

“…The stiffness was increased, which indicates more stability in the composite. 16,17 The E was enhanced for C40 over the pure NR and NR/BR/SBR compositions.…”

Section: Mechanical Testingmentioning

confidence: 97%

“…It is due to filler-filler interaction in the composite. 16,18 In higher filler loadings, Tg shifts towards the lower temperature region, indicating the dominance of filler-filler interactions over filler-polymer interactions. Generally, Tg increases with the incorporation of reinforcement filler.…”

Section: Tga Of the Nr/br/sbr/gtr Compositesmentioning

confidence: 99%

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Investigation of mechanical properties and microstructural analysis of polymeric waste strengthened hybrid composites

Kaliyappan

Dhananchezian

2023

Journal of Elastomers & Plastics

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In this work, investigated the mechanical properties and microstructure of Ground Tyre Rubber (GTR) i.e. polymeric waste blended with Natural Rubber (NR), Butadiene Rubber (BR), and Styrene-Butadiene Rubber (SBR) composites. A two-roll mill and hydraulic press were used to create NR (70 parts per hundred of rubber (phr)) composites with 25 phr of BR and 5 phr of SBR and various proportions of GTR (0, 10, 20, 30, and 40 phr). With the incorporation of Nylon 6 (Ny 6) at 5 phr, the interfacial adhesion of NR/BR/SBR composites was improved. NR-based hybrid composites with mechanical and curing properties were enhanced and compared with pure NR. It was noted that the maximum tensile strength, tear strength, and hardness were enhanced by 77.74%, 17.9%, and 36.4% in NR/BR/SBR/GTR (70/25/5/40) over pure NR. The elongation at break was decreased by 54.55%, while young’s modulus was enhanced in NR/BR/SBR/GTR (70/25/5/40) over pure NR. With the incorporation of 40 phr of GTR in the NR/BR/SBR composites, cure properties like scorch time (tS2) and cure time (tC90) were reduced by 53.97% and 65.71%, while the minimum torque (ML) and maximum torque (MH) were enriched by 13.35% and 12%, respectively, when compared with the pure NR. Based on the Scanning Electron Microscope (SEM) and Thermogravimetric Analysis (TGA), GTR particles were uniformly distributed, and the thermal stability was enhanced by 25.40% in NR/BR/SBR/GTR (70/25/5/40) composites over pure NR. The absorption bands of NR, BR, SBR, and GTR elements in the developed hybrid composite were identified by Fourier transform infrared. The glass transition temperature (Tg) was diminished from -58.17°C to -63.42°C. With the inclusion of 40 phr of GTR in the NR/BR/SBR composite. Finally, it was recommended that the incorporation of 40 phr of GTR is suitable for NR/BR/SBR composites.

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Section: Minimum Torque (M L ) and Maximum Torque (M H )mentioning

confidence: 69%

Section: Minimum Torque (M L ) and Maximum Torque (M H )mentioning

confidence: 69%

Section: Hardness and Tear Strengthmentioning

confidence: 97%

“…The stiffness was increased, which indicates more stability in the composite. 16,17 The E was enhanced for C40 over the pure NR and NR/BR/SBR compositions.…”

Section: Mechanical Testingmentioning

confidence: 97%

Section: Tga Of the Nr/br/sbr/gtr Compositesmentioning

confidence: 99%

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Investigation of mechanical properties and microstructural analysis of polymeric waste strengthened hybrid composites

Kaliyappan

Dhananchezian

2023

Journal of Elastomers & Plastics

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Ground tire rubber and coffee silverskin as sustainable fillers in EPDM compounds for rubber‐to‐steel bonded systems in roofing applications

Bragaglia,

Paleari,

Nanni

2024

Polymer Composites

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In this paper two waste fillers, namely ground tire rubber (GTR) and coffee silverskin (CSS, a waste bio‐product from the coffee‐making process), have been used to produce sustainable ethylene‐propylene‐diene monomer (EPDM) rubber compounds vulcanized on steel sheets to fabricate rubber‐to‐steel bonded systems for industrial roofing applications. The compounds have shown good mechanical performances, with elastic moduli in the range of 13–16 MPa, tensile strength of 13–20 MPa and elongation at break >400%, and strong adhesion to the metal substrate. Moreover, the rubber‐to‐steel bonded systems present good sound insulation properties (mean sound transmission loss [STL] of 39 dB and noise level reduction in simulated hailstones impact tests of 62 dB with respect to bare steel 73 dB). Accelerated UV‐ and thermal‐aging tests have shown excellent adhesion of the compounds to the metal substrate with the CSS acting as an antioxidant agent preventing excessive polymer degradation. The selected waste‐derived materials result in promising fillers for more sustainable rubber compounds.Highlights Waste fillers were used to produce sustainable rubber compounds. Rubber‐to‐steel bonded systems for roofing applications were produced. Rubber‐to‐steel bonded systems have good sound insulation properties. Rubber‐to‐steel bonded systems have excellent adhesion. Coffee silverskin filler acts as an antioxidant agent.

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Investigate the effect of ground tyre rubber as a reinforcement filler in natural rubber hybrid composites

Cited by 2 publications

References 44 publications

Investigation of mechanical properties and microstructural analysis of polymeric waste strengthened hybrid composites

Investigation of mechanical properties and microstructural analysis of polymeric waste strengthened hybrid composites

Ground tire rubber and coffee silverskin as sustainable fillers in EPDM compounds for rubber‐to‐steel bonded systems in roofing applications

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