Effect of empty fruit bunch fibre loading on properties of plasticised polylactic acid biocomposites

2020 ◽  
Author(s):  
Yan Ding Lee ◽  
Ming Meng Pang ◽  
Seong Chun Koay ◽  
Thai Kiat Ong ◽  
Kim Yeow Tshai
Keyword(s):  
Polylactic Acid ◽  
Empty Fruit Bunch ◽  
Fibre Loading

scholarly journals Hybrid Fibre Polylactide Acid Composite with Empty Fruit Bunch: Chopped Glass Strands

2014 ◽  
Vol 2014 ◽  
pp. 1-7 ◽  
Author(s):  
K. Y. Tshai ◽  
A. B. Chai ◽  
I. Kong ◽  
M. E. Hoque ◽  
K. H. Tshai
Keyword(s):  
Volume Fraction ◽  
Hybrid Composites ◽  
Fibre Length ◽  
Empty Fruit Bunch ◽  
Solution Casting ◽  
Flexural Performance ◽  
Hybrid Fibre ◽  
Negative Effect ◽  
Polylactide Acid ◽  
Fibre Loading

Hybrid polylactide acid (PLA) composites reinforced with palm empty fruit bunch (EFB) and chopped strand E-glass (GLS) fibres were investigated. The hybrid fibres PLA composite was prepared through solution casting followed by pelletisation and subsequent hot compression press into 1 mm thick specimen. Chloroform and dichloromethane were used as solvent and their effectiveness in dissolving PLA was reported. The overall fibre loading was kept constant at volume fraction, Vf, of 20% while the ratio of EFB to GLS fibre was varied between Vf of 0 : 20 to 20 : 0. The inclusion of GLS fibres improved the tensile and flexural performance of the hybrid composites, but increasing the glass fibre length from 3 to 6 mm has a negative effect on the mechanical properties of the hybrid composites. Moreover, the composites that were prepared using chloroform showed superior tensile and flexural properties compared to those prepared with dichloromethane.

Effects of fiber loading and surface treatment on polylactic acid/empty fruit bunch fiber biocomposites

2012 ◽  
Author(s):  
Rosman Senawi ◽  
Ruzitah Mohd Salleh ◽  
Sakinah Mohd Alauddin ◽  
Siti Rafidah Ab. Rashid ◽  
Mohammad Iqbal Shueb
Keyword(s):  
Surface Treatment ◽  
Polylactic Acid ◽  
Empty Fruit Bunch ◽  
Fiber Loading

scholarly journals Acoustic Properties of Micro-Perforated Panels Made from Oil Palm Empty Fruit Bunch Fiber Reinforced Polylactic Acid

2021 ◽  
Vol 55 (4) ◽  
pp. 343-352
Author(s):  
Vignesh Sekar ◽  
Se Yong Eh Noum ◽  
Azma Putra ◽  
Sivakumar Sivanesan ◽  
Kok Chun Chin ◽  
...  
Keyword(s):  
Polylactic Acid ◽  
Oil Palm ◽  
Acoustic Properties ◽  
Empty Fruit Bunch ◽  
Fiber Reinforced

scholarly journals Computational and Experimental Approaches for Determining Scattering Parameters of OPEFB/PLA Composites to Calculate the Absorption and Attenuation Values at Microwave Frequencies

Polymers ◽  
2020 ◽  
Vol 12 (9) ◽  
pp. 1919
Author(s):  
Ahmad Fahad Ahmad ◽  
Sidek Hj Ab Aziz ◽  
Zulkifly Abbas ◽  
Daw Mohammad Abdalhadi ◽  
Ahmad Mamoun Khamis ◽  
...  
Keyword(s):  
Dielectric Constant ◽  
Transmission Line ◽  
Polylactic Acid ◽  
Oil Palm ◽  
Loss Factor ◽  
Empty Fruit Bunch ◽  
Absorption Loss ◽  
Microstrip Transmission Line ◽  
Microwave Frequencies ◽  
Commercial Software Package

This article describes attenuation and absorption measurements using the microstrip transmission line technique connected with a microwave vector network analyzer (Agilent 8750B). The magnitudes of the reflection (S11) and transmission (S21) coefficients obtained from the microstrip transmission line were used to determine the attenuation and absorption of oil palm empty fruit bunch/polylactic acid (OPEFB/PLA) composites in a frequency range between 0.20 GHz and 12 GHz at room temperature. The main structure of semi-flexible substrates (OPEFF/PLA) was fabricated using different fiber loading content extracted from oil palm empty fruit bunch (OPEFB) trees hosted in polylactic acid (PLA) using the Brabender blending machine, which ensured mixture homogeneity. The commercial software package, Computer Simulation Technology Microwave Studio (CSTMWS), was used to investigate the microstrip line technique performance by simulating and determine the S11 and S21 for microwave substrate materials. Results showed that the materials’ transmission, reflection, attenuation, and absorption properties could be controlled by changing the percentage of OPEFB filler in the composites. The highest absorption loss was calculated for the highest percentage of filler (70%) OPEFB at 12 GHz to be 0.763 dB, while the lowest absorption loss was calculated for the lowest percentage of filler 30% OPEFB at 12 GHz to be 0.407 dB. Finally, the simulated and measured results were in excellent agreement, but the environmental conditions slightly altered the results. From the results it is observed that the value of the dielectric constant (εr′) and loss factor (εr″) is higher for the OPEFB/PLA composites with a higher content of OPEFB filler. The dielectric constant increased from 2.746 dB to 3.486 dB, while the loss factor increased from 0.090 dB to 0.5941 dB at the highest percentage of 70% OPEFB filler. The dielectric properties obtained from the open-ended coaxial probe were required as input to FEM to calculate the S11 and S21 of the samples.

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