Ultra-Violet Radiation-Cured Biofiber Composites from Kenaf: The Effect of Montmorillonite on the Flexural and Impact Properties

Rozman, H. D.; Rozyanty, A. R.; Musa, Luqman; Tay, G. S.

doi:10.1080/02773810903259565

Cited by 22 publications

(9 citation statements)

References 25 publications

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“…According to Rozman et al 29 , the addition of MMT into the kenaf fiber-polyester system showed an improvement in flexural and impact properties up to 1% MMT. Further increase in the MMT loading had resulted in the decrease in these properties which was believed to be due to MMT agglomeration.…”

Section: Resultsmentioning

confidence: 99%

Effect of reinforcement nanoparticles addition on mechanical properties of SBS/curauá fiber composites

Borba¹,

Tedesco²,

Lenz

2013

Mat. Res.

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Composites of styrene-butadiene-styrene triblock copolymer (SBS) matrix with curauá fiber and/ or a nanoparticulate mineral (montmorillonite clay -MMT) used as reinforcing agents were prepared by melt-mixing. The influence of clay addition on properties like tensile and tear strength, rebound resilience, flex fatigue life, abrasion loss, hardness and water absorption of composites with 5, 10 and 20 wt% of curauá fiber was evaluated in presence of maleic anhydride grafted styrene-(ethyleneco-butylene)-styrene triblock copolymer (MA-g-SEBS) coupling agent. Furthermore, the effect of mineral plasticizer loading on tensile strength of selected composites was investigated. The hybrid SBS composite that showed the best overall mechanical performance was composed by 2 wt% of MMT and 5 wt% of curauá fiber. Increasing fiber content up to 20 wt% resulted in a general decrease in all mechanical properties as well as incorporation of 5 wt% MMT caused a decrease in the tensile strength in all fiber contents. The hybrid composites showed clay agglomerates (tactoids) poorly dispersed that could explain the poor mechanical performance of composites at higher concentrations of curauá fiber and MMT nanoparticles. The addition of plasticizer further decreased the tensile strength while the addition of MMT nanoparticles decreased water absorption for all SBS composites.

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Section: Resultsmentioning

confidence: 99%

Effect of reinforcement nanoparticles addition on mechanical properties of SBS/curauá fiber composites

Borba¹,

Tedesco²,

Lenz

2013

Mat. Res.

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“…Further addition led to agglomeration of MMT particles, causing a decrease in impact strength. 88 Literature study reveals that addition of biosynthesized alumina nanoparticles to hybrid banana/coir, sisal/coir, and sisal/banana biocomposites enhanced the impact strength by 9.65, 12.64, and 7.12%, respectively. 89 The addition of baggase ash particles to hybrid sisal/flax and sisal/kenaf biocomposites enhanced the impact strength.…”

Section: Resultsmentioning

confidence: 99%

“…The addition of 1% of MMT into the kenaf fiber-polyester system showed improved impact properties. Further addition led to agglomeration of MMT particles, causing a decrease in impact strength . Literature study reveals that addition of biosynthesized alumina nanoparticles to hybrid banana/coir, sisal/coir, and sisal/banana biocomposites enhanced the impact strength by 9.65, 12.64, and 7.12%, respectively .…”

Section: Resultsmentioning

confidence: 99%

Mechanical and Water Absorption Properties of Short Banana Fiber/Unsaturated Polyester/Molecular Sieves + ZnO Nanorod Hybrid Nanobiocomposites

Arumugam

Ganesan

et al. 2021

ACS Omega

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ZnO nanorods were prepared by the sol–gel method and characterized using UV–visible absorption spectroscopy, Fourier transform infrared (FT-IR) spectroscopy, powder X-ray diffraction (PXRD), thermogravimetric analysis/differential thermogravimetry (TGA/DTG), high-resolution transmission electron microscopy (HR-TEM), field emission scanning electron microscopy (FE-SEM), and energy-dispersive X-ray spectroscopy (EDAX). Banana fiber/polyester resin (BF/PE) biocomposites and BF/PE/MS/nano ZnO nanobiocomposites were made using the untreated and chemically treated (with NaOH, formic acid, acetic anhydride, hydrogen peroxide, and potassium permanganate) banana fiber (BF), unsaturated polyester resin (PE), molecular sieves (MS), and the prepared ZnO nanorods. The KMnO 4 , Ac 2 O, and NaOH treatments enhanced the thermal stability of the nanobiocomposites. Addition of 2% of ZnO nanorods increased the tensile strength of all of the chemically treated BF/PE/MS biocomposites. The chemical treatments alone decreased (NaOH—15.4 MPa; KMnO 4 —14.5 MPa; H 2 O 2 —9.9 MPa; Ac 2 O—7.9 MPa; HCOOH—6.9 MPa) the compressive strength of the untreated BF/PE/MS biocomposite (25.9 MPa). But the chemical treatment and addition of ZnO nanorods enhanced the compressive strength effectively (48.5, 41.6, 39.4, 37.0, and 34.6 MPa for NaOH, HCOOH, KMnO 4 , H 2 O 2 , and Ac 2 O treatments, respectively) compared to the untreated BF/PE/MS biocomposites (24.0 MPa). The H 2 O 2 (69.0 MPa) and NaOH (62.9 MPa) treatments enhanced the flexural strength of the untreated BF/PE biocomposites (51.6 MPa). The addition of ZnO nanorods enhanced the flexural strength of all of the chemically treated (except NaOH) BF/PE/MS biocomposites (55.7, 59.4, 79.0, and 67.4 MPa for HCOOH, Ac 2 O, H 2 O 2 , and KMnO 4 treatments, respectively). The impact strengths of the biocomposites were enhanced by both chemical treatments and addition of ZnO nanorods. The addition of ZnO nanorods decreased the water absorption of the biocomposites significantly from 24.3% for the untreated to a minimum of 14.5% for the H 2 O 2 -treated BF/PE/MS/ZnO nanobiocomposite.

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“…This phenomenon is in contrast with the works conducted before where the increase of lignocellulosic fibre in composite could result in increment of composite stiffness due to the inherent stiffness of the lignocellulosic fibre. [24][25][26] This is probably attributed by the degree of curing of the composites. As observed in Figure 1, the degree of curing decreases as the kenaf fibre content is increased due the degree of UV radiation penetration.…”

Section: Resultsmentioning

confidence: 99%

The effect of kenaf fibre loadings on the properties of UV-cured unsaturated polyester composites

Hussein

Rozman

Tay

2013

Journal of Reinforced Plastics and Composites

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The main objective of this study was to produce ultraviolet curable unsaturated polyester which was then reinforced by variable percentage of kenaf fibre. Unsaturated polyester resin based on palm oil was prepared by the interaction of monoglyceride monomer with maleic anhydride. Gel fraction of the composites increased as the percentage of kenaf fibre was increased up to 10% then decreased with higher kenaf percentage. The effect of kenaf loading on the dimensional stability of unsaturated polyester-reinforced composite showed a significant trend. Morphological study of the composites showed the evidence of the enhancement of compatibility between fibre and polymer.

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Ultra-Violet Radiation-Cured Biofiber Composites from Kenaf: The Effect of Montmorillonite on the Flexural and Impact Properties

Cited by 22 publications

References 25 publications

Effect of reinforcement nanoparticles addition on mechanical properties of SBS/curauá fiber composites

Effect of reinforcement nanoparticles addition on mechanical properties of SBS/curauá fiber composites

Mechanical and Water Absorption Properties of Short Banana Fiber/Unsaturated Polyester/Molecular Sieves + ZnO Nanorod Hybrid Nanobiocomposites

The effect of kenaf fibre loadings on the properties of UV-cured unsaturated polyester composites

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