Mechanical Properties, Wettability and Thermal Degradation of HDPE/Birch Fiber Composite

Koffi, Agbelenko; Mijiyawa, Fayçal; Koffi, Demagna; Erchiqui, Fouad; Toubal, Lotfi

doi:10.3390/polym13091459

Cited by 15 publications

(13 citation statements)

References 48 publications

(66 reference statements)

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“…Figure 9 and Figure 10 show the thermograms of both kinds of composite using HDPE and PP as a matrix, respectively. The loss of HDPE and PP mass occurred in a single-stage degradation process that occurred over the temperature range of 400–500 °C [ 30 , 31 ]. Comparing the thermograms of both kinds of composites it can be concluded that the interaction between polyolephynic matrix (HDPE and PP) is higher with CFs reinforcement than GTR.…”

Section: Resultsmentioning

confidence: 99%

Towards Circular Economy by the Valorization of Different Waste Subproducts through Their Incorporation in Composite Materials: Ground Tire Rubber and Chicken Feathers

2022

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Incorporation of residua into polymeric composites can be a successful approach to creating materials suitable for specific applications promoting a circular economy approach. Elastomeric (Ground Tire Rubber or GTR) and biogenic (chicken feathers or CFs) wastes were used to prepare polymeric composites in order to evaluate the tensile, acoustic and structural differences between both reinforcements. High-density polyethylene (HDPE), polypropylene (PP) and ethylene vinyl acetate (EVA) polymeric matrices were used. EVA matrix defines better compatibility with both reinforcement materials (GTR and CFs) than polyolefin matrices (HDPE and PP) as it has been corroborated by Fourier transform infrared spectroscopy (FTIR), termogravimetric analysis (TGA) and scanning electron microscopy (SEM). In addition, composites reinforced with GTR showed better acoustic properties than composites reinforced with CFs, due to the morphology of the reinforcing particles.

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Section: Resultsmentioning

confidence: 99%

Towards Circular Economy by the Valorization of Different Waste Subproducts through Their Incorporation in Composite Materials: Ground Tire Rubber and Chicken Feathers

2022

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“…The pure HDPE was primarily composed of HDPE, which had relatively high thermal stability. 18 The onset temperature of pure HDPE was observed at 441 C; it represented the point at which the thermal decomposition of HDPE began (Table 3). The end-set temperature was observed at 497 C, meaning most of the HDPE material was decomposed.…”

Section: Thermogravimetric Analysismentioning

confidence: 99%

Recycling of thermoset waste/high‐density polyethylene composites: Examining the thermal properties

Periasamy,

Manoharan,

Niranjana

et al. 2023

Polymer Composites

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In this work, an attempt was made to use recycled thermosetting polymer waste (RTPW) to reduce the environmental impacts. The RTPW and high‐density polyethylene (HDPE) were used to fabricate the composites using melt mixing, a twin‐screw extruder, and an injection molding machine. The weight ratios varied between the HDPE/RTPW: 100:0, 95:5, 90:10, and 85:15 and subjected to different thermal property studies. The thermal properties were evaluated by melt flow index (MFI), differential scanning calorimetry (DSC), thermogravimetric analysis (TGA), heat deflection temperature (HDT), and VICAT softening temperature (VST). Results showed a noticeable MFI increase from 9.3 to 14.6 g/10 min in HDPE + RTPW (95:5) composite samples. It was ascribed to the presence of RTPW, resulting in reduced viscosity. DSC reported a minor change in the melting temperature of HDPE due to adding 5% RTPW and 6% polyethylene‐grafted maleic anhydride. These results suggested that the HDPE's crystallinity was minimally changed. Similarly, the onset and end‐set temperatures were increased by incorporating RTPW in TGA, highlighting the influence of thermosetting polymers. Then, the HDT and VSTs were improved by adding RTPW. These observations collectively demonstrate that using RTPW enhances the thermal behavior of HDPE composites while promoting environmental sustainability.Highlights Composites made using RTPW and HDPE. Addition of thermoset waste improved the thermal behavior of samples. Different weight ratios were followed: 100:0, 95:5, 90:10, and 85:15. MFI increased to 14.6 g/10 min for HDPE + RTPW (95:5). HDPE exhibited a minor change in melting temperature in DSC analysis.

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“…1,2 As a result, natural fibre reinforced polymer composites with fibre particulates as filler have been developed. [3][4][5] Natural fibres are gaining popularity as reinforcing materials not only in thermosetting composites but also in thermoplastic polymer composites. Natural fibres or filler materials derived from renewable sources have the potential to serve as biodegradable and biocompatible reinforcements in the polymer sector and also as an alternative to glass or carbon fibre.…”

Section: Introductionmentioning

confidence: 99%

Effect of natural fillers as reinforcements on mechanical and thermal properties of HDPE composites

Ayyanar¹,

Mohan²,

Ramesh³

et al. 2023

Journal of Thermoplastic Composite Materials

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Demand for natural fibers has increased in recent years due to the requirement for biodegradable materials. Owing to the increasing awareness on the overuse and over-dumping of plastics in the environment, the current work focused on a solution by using tree leaves as a particulate reinforcement which is one of the common waste products of trees. In this regard, Norfolk pine (NOP) tree leaf particulates filled High-Density Polyethylene (HDPE) composites were fabricated through injection moulding technique with different filler weight % of 0, 10, 20, 30, 40, and 50 wt. %. The study of the crystalline structure of the fillers and the detection of functional compounds in the materials were carried out through X-ray diffraction (XRD) and Energy dispersive X-ray spectroscopic (EDX) analysis. Tensile strength, compressive strength, and flexural strength of the fabricated composite specimens were also assessed. Results revealed that the mechanical properties of the 30 wt. % pine tree leaf-filled HDPE composites were found to be superior when compared to pure HDPE composites. The failure surface morphology of the composite samples was examined using scanning electron microscopy (SEM). The melting point and decomposition of 30 wt. % NOP leaf particulate-filled HDPE composites specimen, whose mechanical properties were higher, were examined using thermo-gravimetric analysis (TGA) and differential scanning calorimetry (DSC). From the results, it was found that NOP fillers can be used as an effective reinforcement in polymer composites.

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Mechanical Properties, Wettability and Thermal Degradation of HDPE/Birch Fiber Composite

Cited by 15 publications

References 48 publications

Towards Circular Economy by the Valorization of Different Waste Subproducts through Their Incorporation in Composite Materials: Ground Tire Rubber and Chicken Feathers

Towards Circular Economy by the Valorization of Different Waste Subproducts through Their Incorporation in Composite Materials: Ground Tire Rubber and Chicken Feathers

Recycling of thermoset waste/high‐density polyethylene composites: Examining the thermal properties

Effect of natural fillers as reinforcements on mechanical and thermal properties of HDPE composites

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