The water absorption, mechanical and thermal properties of chemically treated woven fan palm reinforced polyester composites

Kusmono, Kusmono; Hestiawan, Hendri; Jamasri,

doi:10.1016/j.jmrt.2020.02.065

Cited by 60 publications

(24 citation statements)

References 48 publications

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“…A more superficial technique such as spraying can ensure a reduction of water absorption velocity but will not have effect on the total amount of water uptake whereas a more bulky treatment such as impregnation provide the covering of some hydroxylic groups even in the inner parts of the fiber reducing the amount of water absorbed. This is confirmed by the study of Hossen et al [74], Chandekar et al [75] and Kusmono et al [76] who found out a significant reduction in water uptake after lignocellulosic fiber impregnation with silanes for jute-coir hybrid PLA and PCL (Poly-caprolactone), jute PP and fan palm polyester composites, respectively. The mentioned studies also pointed out a meaningful improvement of fiber-matrix interface confirmed by tensile and flexural properties better than the ones of the composites produced with the raw fibers.…”

Section: Surface Treatments For Interfacial Improvementsupporting

confidence: 68%

Experimental and finite element analysis of the impact response of agglomerated cork and its intraply hybrid flax/basalt sandwich structures

Sergi

Boria

Sarasini

et al. 2021

Composite Structures

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Section: Surface Treatments For Interfacial Improvementsupporting

confidence: 68%

Experimental and finite element analysis of the impact response of agglomerated cork and its intraply hybrid flax/basalt sandwich structures

Sergi

Boria

Sarasini

et al. 2021

Composite Structures

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“…In relation to water absorption, the hemicellulose in hemp fiber is more sensitive and accessible than the crystalline sections of cellulose. [ 64 ] Furthermore, chemical treatment may have improved the fiber–matrix interface bonding by minimizing the water molecule wicking at the interface and thereby increasing the water resistance of treated fiber composites. [ 32,65,66 ]…”

Section: Resultsmentioning

confidence: 99%

Hemp fiber surface modification: Its effect on mechanical and tribological properties of hemp fiber reinforced epoxy composites

et al. 2021

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In this research work, the effects of sodium carbonate and hydrogen peroxide treatment of hemp fiber on the water absorption, mechanical, and tribological properties of hemp fiber reinforced epoxy composites (HFREC) were investigated. The change in surface roughness and fiber size after chemical treatment was confirmed by the scanning electron microscopy (SEM) images. Fourier transform infrared analysis confirmed the removal of hemicellulose and lignin content of the fiber after both the chemical treatment. X-ray diffraction analysis showed an increase in the crystallinity index of the chemically treated fiber.The experimental results also revealed that both sodium carbonate and peroxide modification have resulted in enhancement of water resistance and mechanical properties such as tensile strength and tensile modulus and reduction in impact properties of treated HFREC. Tribological test results revealed that the treated HFREC have improved wear and frictional properties in comparison with untreated HFREC. The best tribological and mechanical properties were exhibited by peroxide treated HFREC, which was also confirmed through the SEM images of worn and fractured surfaces of the composites.

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“… 92 The NaOH-treated woven fan palm fiber-reinforced (WFP) unsaturated polyester composites have a lower water absorption percentage compared to untreated WFP composites. 93 However, our results reveal that all of the chemically treated BF/PE/MS biocomposites (except NaOH treatment) absorb much larger quantities of water than the untreated BF/PE/MS biocomposites. This may be because of the presence of molecular sieves, which have lot of voids and are known to absorb water and other solvent molecules extensively.…”

Section: Resultsmentioning

confidence: 60%

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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The water absorption, mechanical and thermal properties of chemically treated woven fan palm reinforced polyester composites

Cited by 60 publications

References 48 publications

Experimental and finite element analysis of the impact response of agglomerated cork and its intraply hybrid flax/basalt sandwich structures

Experimental and finite element analysis of the impact response of agglomerated cork and its intraply hybrid flax/basalt sandwich structures

Hemp fiber surface modification: Its effect on mechanical and tribological properties of hemp fiber reinforced epoxy composites

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

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