In this article, the mechanical, morphological, and dynamic-mechanical properties of blends PLA kenaf bast short fiber were investigated. The composites, with different loading triacetin content, prepared by melt blending techniques using a Brabender internal mixer at 60 rpm 170°C for 10 min their examined. Pure was used as reference biocomposite samples. Triacetin plasticizer PLA/kenaf composites in order to study improvement tensile properties. strength stiffness unplasticized materials...

In this study, the effect of sugar palm nanocrystalline cellulose (SPNCC) loading (0.00–0.10 wt %) on electrical resistance, resistivity, and conductivity SPS/SPNCC (SPS – starch) nanocomposite films were evaluated. The experiments conducted using four-probe method Ohm's law, resistivity equations utilized to obtain properties. results revealed that values found be in range 3.1 · 102 1.5 104 (Ω cm).

Abstract Previously, there were many extraction methods that had been done on extracting the oil such as centrifugation, chilling and thawing, hot cold extraction, seeds, waste products plants. Based those (OEM), further study is needed to develop more effective processes most of having disadvantages in term time, cost, quality safety. Ultrasonic-assisted (UAE) used this project it a rapid technique uses ultrasound generate movement solvents, resulting higher mass transfer speed well...

This study was conducted to improve the life-span of biofilm produced from algae by evaluating decomposition rate with effect cinnamon extraction oil (CEO). The fabricated using solution casting technique. soil burying analysis demonstrated low moisture absorption biofilm, thus decelerating degradation due swelling and micro-organism activity, prolonging shelf-life biofilm. Hence, addition CEO also affects strength properties maximum tensile achieved 5% CEO, which indicated a good...

The aim of this study is to determine the effect alkali treatment on water absorption and tensile properties non-woven kenaf polyester composite. Kenaf fiber mat was treated with 2, 4 6% different sodium hydroxide (NaOH) concentration. composite fabricated using compression molding technique. It found that reduced overall uptake composites. fibre greater in moisture resistance as compared untreated. strength composites substantially improved after treatment, it similar modulus.

This study is focusing on the presence of pigments called anthocyanin in hibiscus, can be used as pH indicator react with OH− ions before changing its color depending acidity or alkalinity surroundings. Hence, a system for monitoring based chitosan, corn starch and phytochemical extract from Hibiscus rosa-sinensis (hibiscus), all inexpensively obtained renewable sources developed. Chitosan, hibiscus were to produce biopolymer smart food packaging. The then characterized by using FT-IR, well...

This study investigates the capability of electroencephalogram (EEG) signals to be used for biometric identification. In context biometric, recently, researchers have been focusing more on biomedical substitute modalities that are being nowadays as obtained from our bodies is considered secure and privacy-compliant. The EEG 6 subjects were collected where required undergo two baseline experiments which are, eyes open (EO) closed (EC). processed using a 2nd order Butterworth filter eliminate...

This study aims to investigate the effect of tin (Sn) and magnesium (Mg) on sintering response sintered Al. Although this topic has been extensively reported, details combined Sn Mg that function as additives are still limited. The current discusses use assist aluminium (Al) in liquid phase via powder metallurgy technique. results demonstrated densities Al increased from 2.5397 2.575 g/cm3 content 1.5 2.5 wt. % respectively. Accordingly, physical characteristics were transformed black...

A multi-walled carbon nanotube (MWCNT)/plasticized polylactic acid (PLA) composite was prepared using a two-roll mill set at 170°C and 50 rev/min. The material characterized dynamic mechanical analyzer (DMA). Characterization works include obtaining properties, such as tensile flexural properties of the nanocomposites. Polyethylene glycol (PEG) 6 wt% used plasticizer for blending with PLA. It found that strengths nanocomposites increased up to 43.8 MPa 81.4 respectively addition 0.15 MWCNTs....

The aim of this study is to determine the morphology and water uptake behaviour single fibre leaf Typha Latifolia. In order properties fibre, a was taken out from Latifolia leaf. divided into two-part that are top bottom parts. From direct observation towards leaves, at part has more cavities compare on parts tree. Based analysis, fibres were found randomly held in middle there spongy structures leaves. SEM analysis evidenced bulk fibre. A absorption result higher than with 79.79% 66.63%,...

Poly(lactic acid) (PLA) and kenaf bast fiber (KBF) were melt-blended using brabender into films in the PLA/KBF ratios of 100/0, 90/10, 70/30 50/50 for natural soil burial test. This formulation was used to study biodegradability PLA biocomposites. It found that decompositions biocomposite faster than pure PLA. The SEM morphology tensile fracture surface 30% 50% biocomposites presented larger pores degradation areas smaller KBF loading (10 wt%). result shows addition fibre matrix increased...

In this study, melt blended compositions of pure PLA with additions polyethylene glycol (PEG) up to 30 wt% were prepared. Fourier-transform infrared spectroscopy (FTIR), differential scanning calorimeter (DSC), and thermogravimetric analysis (TGA) used investigate the properties PLA/PEG blends, such as structural, thermal, morphological properties. The results showed that further increments PEG cause -OH group blends show a broad peak, indicating there is hydrogen bonding interaction between...

A combined experimental and finite element analysis () investigation was performed to study the effect of incorporating poly(propylene carbonate)(PPC) curcumin on mechanical properties poly(lactic acid) (PLA). In addition, chemical interaction morphological changes brought upon by each subsequent additive were also observed. The addition PPC at 30 wt% into PLA causes a decrease in strength modulus 51% 68% respectively whilst inducing higher elongation 74%. resultant PLA/PPC blend recovered...

Nowadays, people have built mega-watt scales of wind turbines to generate electricity from energy. These big turbine blade need lighter materials in order optimize the generation electricity. Due this issue, purpose paper is find a light material which suitable be used making blades. The use natural fiber as reinforcement agent composite seems potential fibers show desired characteristic needed for blades' material. In research, rice straw was reinforced with polypropylene matrix. produced...

In this study, the abundant availability of clamshell, as potential biomass resources for production inorganic filler such calcium carbonate (CaCO 3 ) and oxide (CaO) is fully utilized. addition, effect loadings toward mechanical properties polyhydroxybutyrate (PHB) biopolymer was studied using various ranges 10, 20, 30, 40 50 wt%. The tensile strength modulus PHB showed significant improvement with incorporation up to 30 wt %, finding supported by micrographs obtained from scanning electron...

The initial phase of this study was to investigate the effect polypropylene carbonate (PPC) additions in polylactic acid (PLA)/curcumin (Cur) blends. It observed that presence curcumin particulates behaved as a reinforcement filler for PPC up 30 wt%. A specific composition then invested find correlation between fiber diameter and melt-spinning process parameters using central composite design (CCD), subset response surface methodology (RSM). Results showed spinning temperature had greater...

Dye sensitized solar cells (DSSCs) rely on the absorption of photons by dye molecules which are transported to conduction band TiO2 electrode. The microstructure, energy gap and spectra electrodes highly affects efficiency cell. In this paper, has been studied varying thickness paste. Nanocrystalline thin films were deposited ITO glass substrate with three different (4.54μm, 7.12μm 12.3μm) using doctor blade method. After deposition all samples sintered at 450°C after enhance particle...