Global ETD Search
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 20 of 46 for “"Polymer Science"”.
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Development of novel polymeric architectures for applications in drug delivery and studies towards the synthesis of perfect polymers by iterative exponential growth "Plus" (IEG+)
Polymeric materials are ubiquitous in numerous facets of everyday life, and their applications will only become increasingly prevalent as the field of polymer science advances. The first chapter of this thesis describes the use of polymeric nanoparticles to overcome challenges in traditional drug …
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The synthesis of unimolecular polymers through iterative exponential growth and their applications in block copolymer phase segregation and biological systems
Absolute structural control over polymers - in terms of sequence, length, and stereochemistry - is a Holy Grail of polymer science. Inspired by Nature, polymer chemists over the last century have sought new methods and strategies to control these parameters. An inverse relationship exists, however, …
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"Effects of nonthermal plasma on prokaryotic and eukaryotic cells"
Plasma science has been of particular interest to researchers spanning several disciplines since the 1990s. This continuously evolving field allows investigations into a diverse series of applications including industrial sterilization, pollution control, polymer science, food safety, and …
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Computation by block copolymer self-assembly
… classically. In this thesis, we use block copolymer self-assembly, a well-studied phenomenon in polymer science, to develop a new approach to computing by applying directed self-assembly to implement Ising-model-based computing systems in materials. In the first part of the thesis, we …
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Material Design and Durability Characterization of “Non-Brittle” Geopolymer
Geopolymers are inorganic polymers that have resulted in wide scientific interest and broad development of applications. They possess intriguing characteristics that bridge polymer science and ceramics. Many inexpensive earth-abundant minerals and industrial wastes can form geopolymers; this …
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Creation of controlled polymer extrusion prediction methods in fused filament fabrication. An empirical model is presented for the prediction of geometric characteristics of polymer fused filament fabrication manufactured components
… machine engineering, tool-path programming, polymer science and rheology. Combining these research fields has allowed for an understanding of the FFF process which has been presented in its simplest form allowing FFF users of all levels to incorporate the empirical model into their work …
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Physical ageing in semi-crystalline polyethylene terephthalate
The polymer industry is growing at an extremely large rate and with the recycling of plastics and polymers from packaging and containers at an all time high, there is a greater need to understand the physical elements that affect the structure of these polymers. There has been much previous work in …
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Long Chain Molecules in the Molten State: Surface Adsorption, Near Surface Structure, and Mutual-Diffusion
<p>The surface segregation in a binary mixture of polymer due to surface energy difference or end-grafting is studied. The surface energy difference induced segregation is compared with the mean-field theory. The end-labeling of chains strengthens the ability of the chain to bind to the surface, …
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Electrolyte Structure with Explicit Solvent in Nanoslit Capacitors using Classical Density Functional Theory
… in many disciplines such as electrochemistry, polymer science, and solution theory. Classical models to understand double layer thermodynamics is typically based on the Poisson-Boltzmann equation where solvent is treated implicitly as a dielectric background and ions are treated as point …
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Morphological Characterization and Analysis of Ion-Containing Polymers Using Small Angle X-ray Scattering
… X-ray scattering (SAXS) has been widely used in polymer science to study the nano-scale morphology of various polymers. The data obtained from SAXS give information about sizes and shapes of macromolecules, characteristic distances of partially ordered materials, pore sizes, and so on. The …
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Constitutive modeling of the thermo-mechanics associated with crystallizable shape memory polymers
… model for crystallizable shape memory polymers are addressed in details. Shape memory polymers are novel material that can be easily formed into complex shapes, retaining memory of their original shape even after undergoing large deformations. The temporary shape is stable and return to …
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Étude de la réactivité du diépoxyde de limonène lors de sa réticulation par des polyamines
… l’objet d’une publication dans le Journal of Polymer Science.
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Synthesis and Blend Behaviour of Multi-End Capped Polyethylene
There is an ever-growing need for polymers with specific surface properties for the production of modified materials. Recently, extremely efficient polymer surface modification has been achieved by incorporating dendritically end functionalised polymers into blends, which combine sufficient …
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Optimization and characterization of asphalts modified with isocyanate modifier
… the paving industry relies on the use of polymer modified asphalts. With the progress of polymer science and technology, new polymer modified asphalt technologies have emerged. Among the most innovative modification technologies belong the use of B2last, a commercial product of BASF. …
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Engineering nanomaterials for molecular imaging and targeted therapy
Nanomaterials such as quantum dots and polymeric nanoparticles have found a variety of applications in biology including bioimaging and drug delivery. Despite tremendous progress, applications of these materials for disease detection and treatment are restricted by several limitations such as lack …
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Dynamics of rod-coil block copolymers
Polymer science is exploring advanced materials which combine functional domains such as proteins and semiconducting polymers with traditional flexible polymers in the same molecule. While thermodynamic assemblies of different geometries introduce many interesting new phenomena such as entropic …
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Development of bio-composites with novel characteristics through enzymatic grafting
Enzymatic grafting of biopolymers has recently been the focus of green chemistry technologies due to the growing environmental concerns, and subsequent legal restrictions. Over the last decade, research covering various applications of enzymes like lipases and laccases has been increased rapidly, …
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Shape Memory Assisted Self Healing (Smash) Polymeric and Composite Systems
… memory (SM) effect to aid self healing (SH) polymeric systems that are able to simultaneously close and re-bond cracks with a single thermal stimulus. This new concept is termed shape memory assisted self healing (SMASH). Additionally, a new type of shape memory termed reversible plasticity …
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