Browsing Hakimah Osman, Associate Prof. Dr. by Title
Now showing items 1-16 of 16
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A comparative study on curing characteristics, mechanical properties, swelling behavior, thermal stability, and Morphology of feldspar and silica in SMR L vulcanizates
(Taylor Francis Inc, 2005)Comparison studies on effects of feldspar and silica (Vulcasil C) as a filler in (SMR L grade natural rubber) vulcanizates on curing characteristics, mechanical properties, swelling behavior, thermal analysis, and morphology ... -
Curing characteristics, fatigue and hysteresis behaviour of feldspar filled natural rubber vulcanizates
(Taylor and Francis Inc., 2007)Curing characteristics, fatigue, and hysteresis behaviour of feldspar filled SMR L vulcanizates and feldspar filled ENR 50 vulcanizates were studied. Two different types of natural rubber, SMR L and ENR 50 having 0 and 50 ... -
The effect of feldspar loading on curing characteristics, mechanical properties, swelling behaviour and morphology of natural rubber vulcanizates
(Taylor and Francis Inc., 2005)Feldspar is being used herein as a filler in natural rubber vulcanizates. Two different types of natural rubber, SMR L and ENR 50 having 0 and 50 mol% of epoxide groups and semi-efficient vulcanization were used. The scorch ... -
The effect of temperature on the adsorption of 4-Nitrophenol onto palm shell based activated carbon
(Faculty of Computer Science and Information Technology, University of Malaya, 2007)A series of experiments was conducted to study the adsorption of 4-NP onto Palm Shell based Activated Carbon (PSAC) and the results obtained were compared to two commercial products, one is Coal based Activated Carbon ... -
Effects of Durian seed flour on processing torque, tensile, thermal and biodegradation properties of polypropylene and high density polyethylene composites
(Taylor and Francis Inc., 2012)Composites containing various percentage of durian seed flour (DSF) in the polypropylene (PP) and high density polyethylene (HDPE) have been compounded using an internal mixer. The processing torque, tensile, thermal and ... -
Effects of maleic anhydride polypropylene on tensile, water absorption, and morphological properties of recycled newspaper filled polypropylene/natural rubber composites
(SAGE Publications, 2010)This study focused on the effects of maleic anhydride-grafted polypropylene (MAPP) on tensile, water absorption, and morphological properties of recycled newspaper (RNP) filled polypropylene (PP)/natural rubber (NR) ... -
Effects of natural weathering on properties of recycled newspaper-filled polypropylene (PP)/natural rubber (NR) composites
(Taylor & Francis, 2008)Natural weathering has been applied to investigate the properties of recycled newspaper (RNP)-filled polypropylene (PP)/natural rubber (NR) composites. Three sizes of RNP (11 mm, 23 mm, and 53 mm) were used in this study. ... -
Enhanced photocatalytic activity of fish scale loaded TiO 2 composites under solar light irradiation
(Elsevier B.V., 2012-06)Fish scale (FS) loaded TiO2 composites were investigated as photocatalysts in degradation of Methyl Orange under solar light irradiation. Composites were prepared through sol-gel method by varying mass ratio of TiO2/FS at ... -
Hybrid-filler filled polypropylene/ (natural rubber) composites: effects of natural weathering on mechanical and thermal properties and morphology
(Wiley, 2008)Comparison was made between the properties of recycled newspaper (RNP)/carbon black (CB) and recycled newspaper (RNP)/silica hybrid filled polypropylene (PP)/natural rubber (NR) composites. The properties studied were ... -
Mechanical and thermal properties of coconut shell powder filled polylactic acid biocomposites: effects of the filler content and silane coupling agent
(Springer Netherlands, 2012)The effects of the filler content and the coupling agent 3-aminopropyltriethoxysilane (3-APE) on the mechanical properties, thermal properties, and morphologies of polylactic acid (PLA)/coconut shell powder (CSP) biocomposites ... -
Modified cocoa pod husk-filled polypropylene composites by using methacrylic acid
(North Carolina State University, 2013-08)The effect of filler modification using methacrylic acid (MAA) on polypropylene (PP)/cocoa pod husk (CPH) composites was studied. The performances of unmodified and modified PP/CPH composites were analyzed for torque ... -
Polypropylene/natural rubber composites filled with recycled newspaper: Effect of chemical treatment using maleic anhydride-grafted polypropylene and 3-aminopropyltriethoxysilane
(Society of Plastics Engineers, 2012-04)A study on effect of chemical treatment using maleic anhydride-grafted polypropylene (MAPP) and 3-aminopropyltiethoxysilane (3-APE) was investigated. The performance of the MAPP and 3-APE were investigated by means of ... -
Properties of coconut shell powder-filled polylactic acid ecocomposites: Effect of maleic acid
(Society of Plastics Engineers, 2013-05)Ecocomposites were produced by incorporating coconut shell powder (CSP) into polylactic acid (PLA) resin. The effect of filler content and chemical modification on the mechanical properties, thermal properties, and morphology ... -
A Simple Method for the Production of Pure Crystalline Silica from Lemon Grass
(North Carolina State University, 2016)Lemon grass is an inexpensive raw material that can be used to produce natural silica. A method using hydrochloric acid (HCl) leaching followed by thermal combustion at 600 °C was developed to produce purified silica from ... -
Surface modification of coconut shell powder filled polylactic acid biocomposites
(SAGE Publications Ltd, 2013)The acrylic acid was used as chemical modifier to improve the properties of coconut shell powder (CSP) filled polylactic acid (PLA) biocomposites. The effects of filler content and acrylic acid on tensile properties, thermal ... -
Tensile properties of polypropylene/cocoa pod husk biocomposites: Effect of maleated polypropylene
(Trans Tech Publications, 2013)Polypropylene/Cocoa Pod Husk (PP/CPH) biocomposites with different maleated polypropylene (MAPP) content were prepared via melt blending process using Brabender Plastrograph mixer. The tensile strength and tensile modulus ...