Effect of Mechanical Milling on the Thermal Behavior of Polyethylene Reinforced with Nano-sized Alumina
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Gh. Tadayyon
Abstract
In the current study the dependency of morphology and thermal behavior of medium density polyethylene (MDPE) powder reinforced with 0, 5, 10 and 15 wt.% nano-sized Al2O3 particles on mechanical milling were studied. The effects of milling time on the morphology and the thermal behavior were investigated by Transition Electron Microscopy (TEM), Scanning Electron Microscopy (SEM), Differential Scanning Calorimetery (DSC) and Thermo Gravimetric Analyzer (TGA). The TEM micrographs obtained from the nanocomposites proved that mechanical milling could be an adequate method to disperse nano-sized hard particles throughout the polymer. The SEM micrographs of pure MDPE showed that regular shape powder converted to the flake shapes as milling time increased. Also the results illustrated that an increase in milling time caused to decrease the agglomeration of alumina. The DSC profiles of samples elucidated that ball milling had little effect on crystalline temperature and melting point of all materials including MDPE and its nanocomposites. The nanocomposite exhibited more thermal stability than pure polyethylene proved by TGA tests.
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© 2011, Carl Hanser Verlag, Munich
Articles in the same Issue
- Contents
- Contents
- Regular Contributed Articles
- Evaluation of Vacuum Venting for Micro-injection Molding
- Effect of Mechanical Milling on the Thermal Behavior of Polyethylene Reinforced with Nano-sized Alumina
- Preparation of Poly(acrylic acid)-Poly(ethylene oxide) Nanofibers via Electrospinning and Investigation of Their Morphology
- Concentration Effects of Organosilane (TESPD) on Mechanical Properties of Silica Filled Silicone Rubber/Natural Rubber Compounds
- Microcellular PP vs. Microcellular PP/MMT Nanocomposites: A Comparative Study of Their Mechanical Behavior
- Influence of Processing Conditions on Productivity, Thermal and Rheological Properties of Reprocessed Low Density Polyethylene
- Optimization of Dispersion of Nanosilica Particles in a PP Matrix and Their Effect on Foaming
- Paint/Polymer Interface Structure for ABS Injection Moldings
- Free Volume from Pressure and Temperature Dependent Viscosity and from PVT Measurements for Homo- and Copolymers
- Investigation into the Differences in the Selective Laser Sintering between Amorphous and Semi-crystalline Polymers
- Rheological Modeling and Dynamic Characteristics of Disc Extruders
- The Effect of Polymer Additives on Surface Quality of Microcellular Injection Molded Parts
- Using Supercritical Carbon Dioxide for Physical Foaming of Advanced Polymer Materials
- Effect of Ionomer on Barrier and Mechanical Properties of PET/Organoclay Nanocomposites Prepared by Melt Compounding
- Rapid Communications
- Triangle Rule for Operating Windows and Scale-up Criteria for Volume Resistivity of PP/Carbon Nanotubes Composites
- Crystallization in Polymer Melts: Metamorphism of Flow Induced Nuclei
- PPS-News
- PPS News
- Seikei Kakou Abstracts
- Seikei-Kakou Abstracts
Articles in the same Issue
- Contents
- Contents
- Regular Contributed Articles
- Evaluation of Vacuum Venting for Micro-injection Molding
- Effect of Mechanical Milling on the Thermal Behavior of Polyethylene Reinforced with Nano-sized Alumina
- Preparation of Poly(acrylic acid)-Poly(ethylene oxide) Nanofibers via Electrospinning and Investigation of Their Morphology
- Concentration Effects of Organosilane (TESPD) on Mechanical Properties of Silica Filled Silicone Rubber/Natural Rubber Compounds
- Microcellular PP vs. Microcellular PP/MMT Nanocomposites: A Comparative Study of Their Mechanical Behavior
- Influence of Processing Conditions on Productivity, Thermal and Rheological Properties of Reprocessed Low Density Polyethylene
- Optimization of Dispersion of Nanosilica Particles in a PP Matrix and Their Effect on Foaming
- Paint/Polymer Interface Structure for ABS Injection Moldings
- Free Volume from Pressure and Temperature Dependent Viscosity and from PVT Measurements for Homo- and Copolymers
- Investigation into the Differences in the Selective Laser Sintering between Amorphous and Semi-crystalline Polymers
- Rheological Modeling and Dynamic Characteristics of Disc Extruders
- The Effect of Polymer Additives on Surface Quality of Microcellular Injection Molded Parts
- Using Supercritical Carbon Dioxide for Physical Foaming of Advanced Polymer Materials
- Effect of Ionomer on Barrier and Mechanical Properties of PET/Organoclay Nanocomposites Prepared by Melt Compounding
- Rapid Communications
- Triangle Rule for Operating Windows and Scale-up Criteria for Volume Resistivity of PP/Carbon Nanotubes Composites
- Crystallization in Polymer Melts: Metamorphism of Flow Induced Nuclei
- PPS-News
- PPS News
- Seikei Kakou Abstracts
- Seikei-Kakou Abstracts
