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Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 15 of 15 for “"Polypropylene composites"”.
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Structure-property characterisation of ternary phase polypropylene composites
… and properties of binary- and ternary-phase polypropylene (PP) composites containing ethylene-propylene rubber (EPR) and glass beads has been carried out. The composite structure was evaluated using various techniques including SEM, DSC, XRD and DMA. While the mechanical tests included …
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The characterization of mechanical behaviour on kenaf fibre / polypropylene composites
… hot press using kenaf fibre (KF) as filler and polypropylene (PP) as the matrix. A tensile test was carried out to determine the tensile stress of the material. The result revealed treated specimen possesses high tensile stress at 5 wt.% sodium hydroxide (NaOH) compared to 10 wt.% and 20 wt.%. …
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Static and Dynamic Characterisation of Flax Fibre-reinforced Polypropylene Composites
… mechanical performances of flax fibre-reinforced polypropylene composites (FFPCs) along with fracture characteristics, particularly for unidirectional (UD) beam-like specimens. This work also investigates the effects of fibre content, fibre orientation and frequency on the dynamic behaviour of UD …
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Investigation of the characteristics of kenaf fibre reinforced polypropylene composites
… and thermal properties of kenaf fibre reinforced polypropylene composites. The composites were fabricated by extrusion followed by injection and compression moulding. The effects of fibre content, coupling agent content (MAPP), different types of moulding processes and addition of filler materials …
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Additive Manufacturing of Polypropylene Composites with Enhanced Mechanical and Electrical Properties
L'abstract è presente nell'allegato / the abstract is in the attachment
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Flammability and durability of bamboo fabric reinforced polypropylene composites and their hybrids
… contribute substantially to fire resistance in composites. In this study, bamboo fabric has been used to reinforce polypropylene (PP) to produce eco-friendly composites. Hybridisation is a technique which may improve the strength and stiffness as well as the moisture resistance and flammability …
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Exploration of plastic pallets using various fillers on graphite nanoplatelets/polypropylene composites
… The potential of graphite nanoplatelets (GnP)/PP composites for the application in packaging was scrutinized by examining mechanical properties, thermal properties, flow properties, and morphology as a function of GnP loading and by comparison of two mixing methods: physical melt compounding (PMC) …
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Characterisation of Halogen Free Fire Retardant Polypropylene Composites Reinforced by Short Natural Fibres
… last few decades have diverted the focus of the composites manufacturing industry towards replacing synthetic fibres with their natural counterparts. However, the limited thermal stability of natural fibres, which leads to degradation during processing mostly beyond 200⁰C, restricts the mass …
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Effects of Wool Fibres on Mechanical and Flammability Characteristics of Wool-Polypropylene Composites
Natural fibre reinforced polymer composites have been intensely studied and developed to create alternatives for synthetic fibre reinforced counterparts due to their unique advantages, such as CO2 neutrality, relatively high specific strength, and stiffness. One such natural fibre is wool, which is …
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The Improvement of Interfacial Bonding, Weathering and Recycling of Wood Fibre Reinforced Polypropylene Composites
… wood fibre (MDF) and Kraft fibre reinforced polypropylene (PP) composites produced using extrusion followed by injection moulding. Initially, composites were produced with MDF fibre using 10, 20, 30, 40, 50 and 60 wt% fibre, and 1, 2, 3 and 4 wt% maleated polypropylene (MAPP) as a coupling …
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Investigation on jute fibres and their composites based on polypropylene and epoxy matrices
- Matrix modification of jute/polypropylene composites with MAHgPP - Fibre surface modification for epoxy/jute composites, including: NaOH treatment, silane coupling agents, epoxy dispersion and their combinations - Investigation the influence of modification on the performance of jute fibre and …
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Self-reinforced polymer composites for energy absorbing applications
Self-reinforced polymer composites (SRC), with a highly oriented thermoplastic reinforcement and a matrix with less degree of crystallinity–from the same or similar polymer family - have been introduced to mitigate some of the drawbacks of widely-used conventional composites, such as recyclability …
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Characterization of dispersive and distributive mixing in a co-rotating twin-screw compounding extruder
… procedures were used to quantify mixing of polypropylene composites containing calcium carbonate filler using reflected light microscopy on polished surfaces, and transmitted light microscopy of microtomed pigmented sections. Stereological statistics have been applied to raw sample data; …
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Performance of Hemp-Fibre Reinforced Polypropylene Composite Materials
… Natural fibre reinforced thermoplastic composites are strong, stiff, lightweight and recyclable, and have the potential to meet this need. Industrial hemp fibre is amongst the strongest of the natural fibres available, and possesses a similar specific stiffness to E-glass, but with …
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Improving the performance of polypropylene matrix composite materials using engineered hemp fibre mats
… found within the spectrum of natural fibre composites, has led to increased interest in improving these sustainable materials. Although the use of natural fibre composite materials has been documented in early civilisations, growing environmental concerns coupled with technological …