Experimentation, optimization, and predictive analysis of compressive behavior of montmorillonite nano‐clay/unsaturated polyester composites

Hanan, Umar Abdul; Hassan, Shukur Abu; Wahit, Mat Uzir; Binoj, J. S.; Mansingh, Bright Brailson; Goh, Kheng Lim

doi:10.1002/pc.27041

Cited by 13 publications

(7 citation statements)

References 43 publications

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“…A reduction in wt% of hemicellulose, lignin and wax was also noticed in xylanase alkali treated A. catechu tree peduncle fiber (XAACTPF), laccase alkali treated A. catechu tree peduncle fiber (LAACTPF), and PAACTPF compared to ACTPF indicating the removal of amorphous contents during the enzyme treatment. This is attributed to the damage caused to pectic material in ACTPFs by the enzymes during enzyme treatment leading to rupture of bonds and disintegration of amorphous contents in the fibers 35 . The considerable increase in ash content noted in LAACTPF is owing to the improper removal of enzymes being trapped between the fibrils in the fibers.…”

Section: Resultsmentioning

confidence: 99%

“…This is attributed to the damage caused to pectic material in ACTPFs by the enzymes during enzyme treatment leading to rupture of bonds and disintegration of amorphous contents in the fibers. 35 The considerable increase in ash content noted in LAACTPF is owing to the improper removal of enzymes being trapped between the fibrils in the fibers. The pretreatment of ACTPF with NaOH before enzyme treatment helps to maintain the fiber quality after enzyme treatment of fibers.…”

Section: Chemical Analysismentioning

confidence: 99%

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Extensive characterization of pretreated/enzyme treated cellulosicAreca catechu L. peduncle fiber for polymer composite applications

Binoj

Jaafar

Mansingh³

et al. 2023

J of Applied Polymer Sci

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This paper investigates thermo-mechanical, chemical, and morphological characteristics of alkali pretreated and enzyme treated Areca catechu tree peduncle fibers (ACTPFs) for probable reinforcement in polymer composites. ACTPFs were pre-treated with 0.4 M NaOH solution and treated with enzymes such as xylanase, laccase, and pectinase before investigations. Alkali pre-treated ACTPF (AACTPF) cum pectinase treated AACTPF (PAACTPF) exhibited maximum cellulose content 57.28 wt% and single fiber tensile strength 203.5 ± 22.12 MPa. Further, the crystallinity index and crystal size of PAACTPF was determined as 55% and 12.9 nm by x-ray diffraction analysis. Also, the prevalence of chemical bonds and thermal stability up to 233 C in PAACTPF was exposed through Fourier transform infrared spectroscopy analysis and thermogravimetric analysis respectively. Moreover, the coarse surface of PAACTPF viewed through scanning electron microscope owing to removal of amorphous contents makes it a considerable counterpart for substitutional reinforcement to artificial fibers in polymer composites.

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Section: Resultsmentioning

confidence: 99%

Section: Chemical Analysismentioning

confidence: 99%

Extensive characterization of pretreated/enzyme treated cellulosicAreca catechu L. peduncle fiber for polymer composite applications

Binoj

Jaafar

Mansingh³

et al. 2023

J of Applied Polymer Sci

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“…Fourier transform infrared (FTIR) spectroscopy was used to detect free functional groups in the CFP/PLA composite specimens. A Bruker total reflection FTIR spectrometer was employed, scanning at 32 scans per minute to record the FTIR spectra of the pulverized CFP/PLA composite specimens 27 . Sample preparation involved mixing the pulverized CFP/PLA composite specimen with potassium bromide (KBr), which was then cast into pellets.…”

Section: Methodsmentioning

confidence: 99%

Feasibility study on thermo‐mechanical performance of 3D printed and annealed coir fiber powder/polylactic acid eco‐friendly biocomposites

Bright,

Binoj,

Hassan

et al. 2024

Polymer Composites

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The enhancement of the mechanical and thermal characteristics of 3D printed polylactic acid (PLA) composites reinforced by coir fiber powder (CFP) has been investigated by varying the weight percentage (wt%) of the reinforcement and annealing process. CFP/PLA composite filaments with CFP compositions of 0.1, 0.3, and 0.5 wt% were fabricated. These filaments were used to print CFP/PLA test specimens. The specimens were annealed at 90°C for 120 min in a hot air oven followed by cooling at room temperature. Mechanical, morphological, crystalline, and thermal characterizations were conducted on these specimens. The tensile and flexural strength of neat PLA were observed as 49.7 and 82.4 MPa which decreased by 6.4% and 8.13% respectively for printed composite specimens with 0.5 wt% CFP as reinforcement material. On the other hand, the annealed CFP/PLA composite specimen, with 0.1 wt% CFP as a reinforcement material, demonstrated higher tensile and flexural strength. Specifically, it exhibited a maximum tensile strength of 56.4 MPa and a maximum flexural strength of 92.9 MPa, which are 13.5% and 12.7% higher, respectively, than neat PLA. These strengths are 15.5% and 16.7% higher, respectively, than those of the unannealed CFP/PLA composite specimen with the same wt% of CFP reinforcement. The annealing process increased the crystallinity of composites by enhancing the crystallinity index (63%) and crystalline size (6.7 nm). The high thermal stability of composites (with a glass transition temperature of 256°C) makes them suitable for applications in food and medical packaging.Highlights Enhancement of thermo‐mechanical characteristics of 3D printed bio‐composites. Annealing process improved mechanical features of 3D printed bio‐composites. Annealed composite with 0.1 wt% as reinforcement demonstrated better properties. SEM and XRD studies confirmed failure mechanisms and crystalline structure. Thermal and mechanical assets favor its utilization in food wrapping applications.

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“…Micro hardness test was conducted at ambient conditions with 65% relative humidity following ASTM D785-98 standard. 23 Notched AMOFHFC specimens were used to conduct Charpy impact test on impact testing machine adhering to ASTM D 6110-97 standard. 24 During the impact experimentation, incident energy and impact speed were maintained at 2.75 J and 3.46 m/s, respectively.…”

Section: Mechanical Studymentioning

confidence: 99%

Effect of alkali-treated Moringa oleifera fruit husk fibre/SiC nanoparticle reinforced polymer composites

Saravanakumar¹,

Karuppuswamy²,

Binoj

2023

Proceedings of the Institution of Mechanical Engineers, Part E:

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Composite industries use natural fibre as a sustainable resource to improve the sustainability and eco-friendliness of polymer composites. The characterization of alkali-treated Moringa oleifera fruit husk fibres (AMOFHFs) reinforced in unsaturated polyester resin matrix with varying weight percent of nano-sized silicon carbide (SiC) particles as filler material is presented in this paper. The AMOFHFs reinforced composite (AMOFHFC) specimens contain 20 wt.% AMOFHFs and nano-sized SiC particles ranging from 1 to 5 wt.% in 1 wt.% steps. The effect of wt.% variation in nano-sized SiC particles on the mechanical, morphological, tribological and water absorption behaviour of AMOFHFC specimens was thoroughly investigated. According to the findings, the AMOFHFC specimen with 4 wt.% nano-sized SiC particles as filler material has the best mechanical, tribological and water absorption properties. The hardness, tensile, flexural and impact strength of the AMOFHFC specimen with 4 wt.% nano-sized SiC particles improved by 14.86%, 23.11%, 9.6% and 23.22% respectively compared to the composite specimen without SiC nanoparticles as filler material. Similarly, the AMOFHFC specimen with 4 wt.% nano-sized SiC particles exhibited a lesser weight loss of 96.7% compared to the composite specimen without SiC nanoparticles as filler material during the Pin-on-disk experimentation which showcases its superior tribological characteristics. Furthermore, SEM images of fractured tensile AMOFHFC specimens aided in understanding the bonding nature of the AMOFHFs, SiC nanoparticles and unsaturated polyester resin matrix in the composite specimens. The findings above led us to the conclusion that AMOFHFCs with acceptable hydrophobic nature are best suited for light weight automotive and structural applications.

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Experimentation, optimization, and predictive analysis of compressive behavior of montmorillonite nano‐clay/unsaturated polyester composites

Cited by 13 publications

References 43 publications

Extensive characterization of pretreated/enzyme treated cellulosicAreca catechu L. peduncle fiber for polymer composite applications

Extensive characterization of pretreated/enzyme treated cellulosicAreca catechu L. peduncle fiber for polymer composite applications

Feasibility study on thermo‐mechanical performance of 3D printed and annealed coir fiber powder/polylactic acid eco‐friendly biocomposites

Effect of alkali-treated Moringa oleifera fruit husk fibre/SiC nanoparticle reinforced polymer composites

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