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 101 for “"bio-based"”.
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Bio based photocurable polymers for advanced applications
… functional, and photo-curable materials based on waste-derived cellulose, addressing the environmental and sustainability challenges associated with conventional fossil-based polymers. Cellulose, the most abundant natural polymer, was selected as a renewable feedstock due to its …
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Bio-based composites that mimic the plant cell wall
… in the optimal interactions between the biopolymers. Therefore, to produce high performance composites, a unique route may be to mimic a biological system like the plant cell wall. The present work focuses on understanding the thermodynamics of biopolymer assembly to exploit the process …
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Designing High Performing Durable Bio-Based Coatings for Packaging Applications
… packaging applications using renewable biopolymers. These include cellulose, extracted from plants, and chitin, sourced from mushrooms and food waste like crustacean exoskeletons. These natural polymers can form strong, high-performance films but are limited by moisture sensitivity and …
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Bio-based and recycled composite materials for the automotive industry
L'abstract è presente nell'allegato / the abstract is in the attachment
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Production of Bio-based Lactone Monomers for Intrinsically Recyclable Plastics
The development of intrinsically recyclable plastics is crucial to halt the accumulation of waste plastics in the environment. While great strides have been made in the design of novel polymers that exhibit desirable qualities and degrade back to their respective monomer at mild conditions, the …
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Production of biofuels in a circular cascading bio-based energy system
… new strategies are needed to achieve sustainable biofuel production. In this thesis bespoke circular cascading bio-based systems, with AD as the core element, integrating electro-fuel production via CO2 biomethanation and value-added pyrochar via pyrolysis of solid digestate, were proposed to …
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Predicting the thermal performance of bio-based cold chain packaging system
… products such as pharmaceuticals, biologics, and perishable foods. Maintaining stable internal temperatures within insulated shipping containers (ISCs) requires an in-depth understanding of how materials, design, and environmental factors influence heat transfer. This research …
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Innovative approach to use guayule resin as a bio-based asphalt alternative
… guayule resin (guayule) as an innovative bio-based asphalt alternative. Ground tire rubber was used as an asphalt enhancer. To judge the guayule's contribution, guayule-based binders were investigated and compared to control asphalt and asphalt-rubber binders. Binders were assessed …
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A Green Chemistry Approach to Designing Bio-based Resins for 3D Printing
… and convenience. The reliance on petroleum-based materials, such as plastics, in modern day society has been discussed in great depth in relation to sustainability. This is due to fossil fuels being main contributors to environmental pollution, resource degradation, and rising global …
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Preparation and Characterization of Bio-based PCM Microcapsules for Thermal Energy Storage
… phase of the thesis, microencapsulation of 100% bio-based (organic) PCM microcapsules by solvent evaporation and oil-in-water emulsification was investigated under different conditions, resulting in optimal properties. For the second phase, the focus was on the studies of inorganic PCM, which …
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Incorporation of Bio Based Flax Fiber Reinforced Polymer Skins for Packaging Enhancements
… like Flax Fiber using a resin with 30% bio-content to enhance the packaging boxes made of corrugated cardboard. The objective of introducing natural composite skins is to reduce/eliminate the compressive loading subjected to the boxes while stacking in warehouses.
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Cellulosic Reinforcement in Bio-based plastic Composites: Chemical, Mechanical and Life-Cycle Considerations.
North Carolina State University Theses Forest Biomaterials.
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Design,formulation and synthesis of UV/Thermal dual cure, bio-based polyurethane coatings
… resins have been synthesized using soybean oil based polyols (> 80% bio-renewable content) as a primary component. To overcome some of the limitations associated with soft and flexible structure of soy-based polyols, the resin has been designed with two unique set of functional groups –OH and …
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Jatropha curcas oil as a bio-based rejuvenating agent for reclaimed asphalt pavement mixtures
… performance of Jatropha curcas oil (JCO) as a bio-based rejuvenating agent for reclaimed asphalt binders and mixtures. The optimum JCO content was determined through asphalt binder test. A total of 4% JCO by mass of asphalt binder (40% RAP + 60% virgin binder) was incorporated into the binder …
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Mainstreaming straw as a construction material : understanding the future of bio-based architectural materials
… system is comprised primarily of straw with a bio-based shell. This insulation system is designed for disassembly from the other building systems so that these organic materials can return to their natural cycles at the end of the use phase. A sample design is given to demonstrate its use in …
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Characterization of Cellulose and Chitin Thin Films and Their Interactions with Bio-based Polymers
… film. The utility of these chitin films as biosensors was evident from QCM-D and SPR studies that revealed bovine serum albumin adsorbed as a monolayer.
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Study on the application of ionic liquids in bio-based lubricant for a sustainable machining process
… friendly metalworking fluids (MWFs). Bio-based lubricants from vegetable oils are highly biodegradable, non-toxic, pose good lubricating properties and low production costs. They have been widely perceived as a potential to reduce or replace the high dependency on the applications of …
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Optimization of heterogeneous bio-based catalysts and synthesis of inorganic equivalent for large-scale biodiesel production
… research focuses on optimizing the production of biodiesel to reduce overdependence on fossil fuels by utilizing waste resources. In recent years there have been concerns on the use of fossil fuels in the increasing demand of energy and its drawbacks. Fossil fuels, unlike biodiesel, are carbon …
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