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Mechanical & Microstructural Evaluations of (High MFI PP/Low MFI PP)/Organoclay Nanocomposites Influence of Clay Loading, Compatibilizer Loading and Processing Sequence
, M.Sc. Thesis Sharif University of Technology ; Bagheri, Reza (Supervisor)
Abstract
Polymer/layered silicate nanocomposites are good candidates to improve polymer matrices due to enhanced interfaces between nanoclay reinforcement and matrix. So many attempts has been done to improve fabrication methods of these nanocomposites. Polypropylene is a common used engineering material in many industrial applications (general and special). So there is many researches focused on PP/Clay nanocomposites. In this research we tried to investigate the role of clay loading, compatibilizer loading and processing sequence on clay delamination and layer dispersion. We used a blend of two different PPs with different MFI values as matrice. It seems that the blend achieves acceptable...
Improving the Properties of Recycled Polycarbonate with Blending and Chain Extending
, M.Sc. Thesis Sharif University of Technology ; Pircheraghi, Gholamreza (Supervisor)
Abstract
Polycarbonate is one of the thermoplastic engineering polymers, which due to its desirable properties of high resistance, high toughness, thermal insulation, non-flammability and resistance to ultraviolet rays (UV) have many applications in the construction industry, medicine, transportation industry and transfer. and has electronic components. One of the disadvantages of polycarbonate is the high cost of raw materials for its production. Therefore, due to the fact that this polymer and its high volume of production and the low cost of recycling, it finds its recycling. The characteristics after recycling and during it, due to exposure to high environments and mechanical destruction and...