Characterization and Properties of Recycled Polypropylene/Coconut Shell Powder Composites: Effect of Sodium Dodecyl Sulfate Modification

Koay, Seong Chun; Husseinsyah, Salmah; Azizi, Fatin Nasihah

doi:10.1080/03602559.2012.749282

Cited by 71 publications

(80 citation statements)

References 28 publications

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“…Therefore, when stress was applied during tensile testing, the poor stress transfer between the fiber-matrix resulted in poor tensile properties. When the fiber content was increased, the area of weak interfacial also increased (Chun et al 2013). Therefore, as the KNF loading increased, the tensile strength decreased for both composites.…”

Section: Processing Torquementioning

confidence: 95%

“…The elongation at break decreased for both composites with increasing KNF loading. This is a common trend because the addition of filler restricts the polymer chain mobility (Santiago et al 2011;Chun et al 2013). At similar KNF loadings, the elongation at break of the composites with TMS was lower than composites without TMS.…”

Section: Tensile Propertiesmentioning

confidence: 99%

“…16). The three steps of thermal degradation involved: i) evaporation of absorbed moisture on the surface of the composites at 100 °C (Pang et al 2015), ii) decomposition of hemicelluloses, cellulose, and lignin at 200 to 400 °C (Fisher et al 2002;Chun et al 2013), and iii) decomposition of the LLDPE/PVA matrix at 450 to 550 °C. Table 2 shows the TGA parameters of control and TMS-treated LLDPE/PVA/KNF composites.…”

Section: Fourier Transform Infrared Spectroscopymentioning

confidence: 99%

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Tensile Properties, Water Resistance, and Thermal Properties of Linear Low-Density Polyethylene/Polyvinyl Alcohol/Kenaf Composites: Effect of 3-(trimethoxysilyl) propyl Methacrylate (TMS) as a Silane Coupling Agent

2016

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aComposites containing linear low-density polyethylene/polyvinyl alcohol and various loadings of kenaf fiber were prepared using a Haake internal mixer. The loading of kenaf fiber varied from 10 to 40 parts per hundred resin (phr). The coupling agent 3-(trimethoxysilyl)propyl methacrylate (TMS) was evaluated for its effect on the processing torque, tensile properties, morphology, water resistance, and thermal properties of the composites. Composites without TMS were used as the control. The composites made from TMS-treated kenaf yielded higher stabilization torque, tensile strength, tensile modulus, water resistance, and thermal properties than the control composites. The improvements were attributed to the coupling effect of TMS.

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Section: Processing Torquementioning

confidence: 95%

Section: Tensile Propertiesmentioning

confidence: 99%

Section: Fourier Transform Infrared Spectroscopymentioning

confidence: 99%

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Tensile Properties, Water Resistance, and Thermal Properties of Linear Low-Density Polyethylene/Polyvinyl Alcohol/Kenaf Composites: Effect of 3-(trimethoxysilyl) propyl Methacrylate (TMS) as a Silane Coupling Agent

2016

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“…A mid-range FTIR spectrophotometer (FT/IR-6100 Jasco, Japan) equipped with demountable KBr window cells was used for comparison of the absorption spectra of initial kudzu, char, and esterified char samples. FTIR spectra were recorded in the frequency range of 4000-500 cm 21 .…”

Section: Performance and Characterization Of Filler And Biocompositesmentioning

confidence: 99%

Thermal pretreatment of kudzu biomass (pueraria lobata) as filler in cost-effective pla biocomposite fabrication process

Salak¹,

Uemura²,

Sugimoto³

2014

Polym Eng Sci

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This article aims on the fabrication of cost-effective polylactic acid (PLA) biocomposites using kudzu biomass derivatives as new filler. In this way, it has been realized that pretreatment of the filler was an essential requirement. We demonstrated thermal pyrolysis process that targeted to extraction and isolation of all extractable and unnecessary compounds such as intracellular water and bio-oil from the biomass. Also, to further improve the compatibility of the filler with PLA, noncatalytic thermal esterification reactions of kudzu after thermal pyrolysis (called char) were carried out as second pretreatment stage in the presence of phthalic anhydride. Kudzu derivatives obtained from either first or second pretreatment reactions were melt-blended with PLA in various rates. The blends were then compression molded into dumbbell specimens. Physicomechanical properties of the prepared biocomposites were evaluated using several analytical techniques. It was found that biocomposites containing treated biomass had higher values of physicomechanical properties than untreated ones. The final rate of filler to PLA with acceptable properties was set up to 50%. Obviously, the cost of PLA can be reduced using higher rates of low-cost filler on a finished-product basis. Extracted valuable compounds from biomass via thermal pyrolysis could be another benefit of the process. POLYM. ENG. SCI., 55:340-348, 2015.

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“…The increment of the modulus of elasticity of modified composites averaged 25.85% than unmodified composites. These increasing values indicate that a better filler-matrix interaction and wettability of composites were achieved after MA surface modification (Chun et al 2013a). bioresources.com Lotfi et al (2015). "Surface mod.…”

Section: Tensile Propertiesmentioning

confidence: 99%

Surface Modification of Elateriospermum tapos Seed Shell Recycled Polypropylene Composites

et al. 2015

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The influence of the filler content and surface modification of Elateriospermum tapos seed shell (ETSS)-filled recycled polypropylene (rPP) on the tensile, thermal, and morphological properties was investigated. Maleic acid (MA) was used for the chemical modification of ETSS. It was found that increasing the ETSS content decreased the tensile strength and elongation at break of composites. However, the modulus of elasticity increased with the addition of ETSS. The thermal properties of composites were examined using thermal analysis (TGA) and differential scanning calorimetry (DSC). The addition of ETSS indicated better thermal stability of rPP/ETSS composites. The degree of crystallinity (Xc) of the composites decreased with increasing ETSS content. The tensile strength and modulus of elasticity of modified composites was higher than unmodified composites. Surface modification with maleic acid increased the thermal stability and crystallinity of the modified rPP/ETSS composites. Scanning electron microscopy showed that the filler-matrix interaction improved with the modification of ETSS with maleic acid.

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Characterization and Properties of Recycled Polypropylene/Coconut Shell Powder Composites: Effect of Sodium Dodecyl Sulfate Modification

Cited by 71 publications

References 28 publications

Tensile Properties, Water Resistance, and Thermal Properties of Linear Low-Density Polyethylene/Polyvinyl Alcohol/Kenaf Composites: Effect of 3-(trimethoxysilyl) propyl Methacrylate (TMS) as a Silane Coupling Agent

Tensile Properties, Water Resistance, and Thermal Properties of Linear Low-Density Polyethylene/Polyvinyl Alcohol/Kenaf Composites: Effect of 3-(trimethoxysilyl) propyl Methacrylate (TMS) as a Silane Coupling Agent

Thermal pretreatment of kudzu biomass (pueraria lobata) as filler in cost-effective pla biocomposite fabrication process

Surface Modification of Elateriospermum tapos Seed Shell Recycled Polypropylene Composites

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