Comparative Study on the Effect of Bentonite or Feldspar Filled Low-Density Polyethylene/Thermoplastic Sago Starch/Kenaf Core Fiber Composites

Sarifuddin, Norshahida; Ismail, Hanafi

doi:10.15376/biores.8.3.4238-4257

Cited by 23 publications

(18 citation statements)

References 20 publications

(33 reference statements)

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“…The processing torque decreased gradually and the stabilization torque achieved after the composite in homogenized mixture. The similar trend on processing torque was also observed from other literatures with different composites [15,16] . Figure 2 shows the stabilization torque of the R-PS composites at various weight percent of ESP/CaCO 3 hybrid fillers.…”

Section: Mixing and Stabilization Torquesupporting

confidence: 89%

Potential of calcium carbonate as secondary filler in eggshell powder filled recycled polystyrene composites

Hayeemasae

Ismail

2021

Polímeros

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Recycling of plastic waste is considered a key intention in regards to the continuous growth of plastic industry. In this work, new composite based on recycled polystyrene (R-PS) was prepared in the presence of eggshell powder (ESP). This was to make a value-added plastic material based on polystyrene. To further extend its performance, calcium carbonate (CaCO 3 ) was used as secondary filler to optimize its performance. It is observed that the stabilization torque of composites decreased with increasing the weight percent of CaCO 3 . Increasing the amount of CaCO 3 has increased the mechanical properties such as Young's modulus, tensile strength, elongation at break and impact strength of the composites. These findings corresponded well to SEM images. It revealed homogenous dispersions of CaCO 3 throughout R-PS matrix in comparison to ESP alone which formed agglomerations in R-PS matrix. Further evidence on thermal stability has confirmed that CaCO 3 provided better heat resistance over the ESP.

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Section: Mixing and Stabilization Torquesupporting

confidence: 89%

Potential of calcium carbonate as secondary filler in eggshell powder filled recycled polystyrene composites

Hayeemasae

Ismail

2021

Polímeros

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“…Poor adhesion of the fibre and matrix is evident from the voids between the matrix and fibre particles. These voids act as stress concentration points and contribute to the decrement of mechanical properties (Sarifuddin et al 2013). This is further evidence in supporting the trends in tensile properties as discussed earlier.…”

Section: Morphological Studysupporting

confidence: 81%

Microstructure-properties of dynamically vulcanized mengkuang leaf fibre/ethylene vinyl acetate/natural rubber thermoplastic elastomer composites

Hashim

Surya

Rusli

et al. 2022

BioRes

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Thermoplastic elastomer composites based on ethylene vinyl acetate (EVA), natural rubber (NR), and Mengkuang leaf fibre were prepared using the sulfur and peroxide vulcanization systems. Different curing systems and fibre loadings affecting the processing torque, tensile, thermal, and morphology of the composites were investigated. Addition of Mengkuang leaf fibre resulted in poor fibre dispersion and agglomeration in the matrix, which may have affected the efficiency of stress transfer and thus could explain a decline in tensile and thermal properties. Composites with dynamic vulcanization showed a rougher surface that might be due to the presence of crosslinking, which requires more force to fail. The increase in stabilization torque for the composites with dynamic vulcanization was observed due to the addition of curing agents, which implies some changes at the molecular level due to crosslinking. Tensile properties of Mengkuang leaf fibre filled EVA/NR composites indicated that the tensile strength, elongation at break, and Young’s modulus of the peroxide cure system were higher than the sulfur cure system and unvulcanised composites. The sulphur cure system showed better resistance towards thermal degradation compared to the peroxide cure system. This was attributed to dicumyl peroxide (DCP), which degrades the polymer chain or the composites at high temperature.

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“…After that, the change of the weight loss for TPCS/Beeswax reinforced with CGF composite in temperature range between 150°C to 180°C was mainly attributed to decomposition of three major chemical components of the natural fibers; hemicellulose, cellulose and lignin) [16]. Besides that, another study by Sarifuddin et al, [17], stated that decomposition process that take place at temperature in range up to 300°C where the thermal degradation of starch carbon chains occurred.…”

Section: Thermo-gravimetric Analysismentioning

confidence: 96%

“…Meanwhile for the tensile modulus showed a major improvement until 40% even though the tensile strength was slightly decreased. According to Sarifuddin et al, [17], it was anticipated that the fiber additions would improve the modulus due to inclusion in the soft matrix of rigid filler particles. Therefore, this finding suggests that the fiber inside the composites existed to have the stiffening effect.…”

Section: Tensile Propertiesmentioning

confidence: 99%

Thermal and Mechanical Properties of Thermoplastic Cassava Starch/Beeswax Reinforced with Cogon Grass Fiber

Jumaidin

Halim²,

Aziz³

et al. 2022

ARFMTS

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The aim of this paper is to investigate the effect of cogon grass fiber (CGF) on the thermal and mechanical properties of thermoplastic cassava starch (TPCS)/beeswax matrix. The alteration of TPCS/beeswax reinforced with cogon grass fiber was performed by incorporating various amount of CGF (0,10,20,30,40 wt.%) into the polymer matrix. The samples were then evaluated using thermogravimetric analysis and tensile test. The findings showed that the thermal properties of the composite were slightly improved as the CGF content increase. The mechanical test showed that the tensile strength and tensile modulus increased with the addition of the CGF. However, the elongation at break showed a decreased pattern following the increasing content of CGF compared to the 0% of fiber content. In general, the findings from this study have shown that the TPCS/beeswax reinforced with the CGF composite has improved the functional properties of the composites compared to the TPCS matrix.

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Comparative Study on the Effect of Bentonite or Feldspar Filled Low-Density Polyethylene/Thermoplastic Sago Starch/Kenaf Core Fiber Composites

Cited by 23 publications

References 20 publications

Potential of calcium carbonate as secondary filler in eggshell powder filled recycled polystyrene composites

Potential of calcium carbonate as secondary filler in eggshell powder filled recycled polystyrene composites

Microstructure-properties of dynamically vulcanized mengkuang leaf fibre/ethylene vinyl acetate/natural rubber thermoplastic elastomer composites

Thermal and Mechanical Properties of Thermoplastic Cassava Starch/Beeswax Reinforced with Cogon Grass Fiber

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