Thermal Stability and Flame Retardancy of Epoxy Composites

Rigana, M. Fathima; Anne, Tharakan Simi; Balaji, S.; Chandrasekar, Shanmugam; Sarojadevi, M.

doi:10.1002/9783527824083.ch7

Epoxy Composites 2021

DOI: 10.1002/9783527824083.ch7

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Thermal Stability and Flame Retardancy of Epoxy Composites

M. Fathima Rigana

Tharakan Simi Anne

S. Balaji

et al.

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2024

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Cited by 2 publications

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“…As a result, the reduction of the size of the fillers resulted in the thermal stability improvement of the biocomposite. This kind of behaviour has been reported in previous studies(Ismail et al, 2022;Ray & Cooney, 2018;Rigana et al, 2021).…”

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confidence: 88%

Milling Time Effects on the Thermal Degradation, Density, and Porosity of Coconut Shell-Reinforced Epoxy Biocomposites

Ismail

2024

ASMScJ

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Polymer biocomposites are sustainable and environmentally friendly materials that can be applied to the building, furniture, aerospace, and automotive industries. In this study, biocomposites made of coconut shell-reinforced epoxy resin were prepared and characterised. Initially, the coconut shells were 200 mesh. Then, they were milled by using a ball mill for 10, 20, 30, and 40 h. The biocomposites were manufactured by using a compression method while keeping a constant ratio of filler and matrix at 85 vol.%: 15 vol.%. The effects of ball milling duration on the thermal degradation and physical properties of biocomposites were examined. The thermal degradation of coconut shell biocomposite occurred at 250 – 400 °C. Its thermal degradation temperature increased with the increasing milling times. The density of the coconut shell biocomposite was 1.087 g/cm3 for 0 h (without milling the fillers). Its density increased to 1.248 g/cm3 for 40 h of milling duration. Meanwhile, the porosity of coconut shell biocomposite decreased from 17.5% (0 h milling duration) to 12.1% (40 h milling duration). It was found that there was a correlation between thermal degradation and physical properties (density and porosity). This study revealed that the thermal degradation and physical properties of the biocomposites can be enhanced by decreasing the size of the fillers.

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confidence: 88%

Milling Time Effects on the Thermal Degradation, Density, and Porosity of Coconut Shell-Reinforced Epoxy Biocomposites

Ismail

2024

ASMScJ

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Flame retardant characteristics of natural fibre reinforced polymer composites: A thematic review

Muralidharan,

Subramanian,

Rajamanickam

et al. 2024

Polymer Composites

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Globally, with the advancement of industrialization and globalization, the automotive sector has drastically increased for transportation and commercial purposes. Hence, to maximize efficiency and minimize the weight of automobiles, the automotive and aerospace industries have welcomed synthetic fibre‐reinforced composites, vastly replacing conventional metals. Despite the superior performance, the usage of synthetic fibre composites has led to the massive dumping of automotive waste in landfills, making the land unfit for future purposes. Therefore, natural fibre‐reinforced composites (NFRCs) quickly replace synthetic fibres with their unique features, such as being lightweight, biodegradable, and non‐toxic, en routing a new path towards a sustainable environment. Though NFRCs are finding new applications in various industries, researchers are trying to enhance their thermal, electrical, and mechanical properties to make them synergic composites. However, with the presence of cellulose, lignin, and wax, natural fibres become highly responsive toward flammability, limiting their use in various emerging applications. As the subject of the flammability of NFRCs has a limited amount of literature, the current review article aims to address the current flammability studies and strategies adopted to improve the flame‐retardant characteristics of NFRCs exclusively. Also, this review covers the factors and influence of different types of flame‐retardant fillers adopted to improve the flame retreatant characteristic of NFRCs and their mechanism. Additionally, this review article summarises various official and laboratory flame‐testing techniques such as radial panel test (RPT), cone calorimetry, and limited oxygen index (LOI) adopted to characterize the flammable properties of NFRCs.Highlights Natural fiber biocomposites are becoming a potential candidate for structural and interior applications in the automotive and aircraft industries. Flammability becomes a major alarm as it concerns with the safety of passengers. The flammability behavior of natural fiber composites is extensively discussed. Mechanisms, factors, and selection of flame‐retardant materials are reviewed to improve the flame‐retardant characteristics. The influence of surface treatments, fiber content, and flame‐retardant nanofillers are also elaborately discussed. Advanced flame testing techniques were conversed with pictorial representation.

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Thermal Stability and Flame Retardancy of Epoxy Composites

Cited by 2 publications

References 36 publications

Milling Time Effects on the Thermal Degradation, Density, and Porosity of Coconut Shell-Reinforced Epoxy Biocomposites

Milling Time Effects on the Thermal Degradation, Density, and Porosity of Coconut Shell-Reinforced Epoxy Biocomposites

Flame retardant characteristics of natural fibre reinforced polymer composites: A thematic review

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