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 10 of 10 for “"sustainable polymers"”.
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Sustainable Polymers Through Creative Design
… To decrease the impact of plastic waste, sustainable materials and synthetic methods are needed. This dissertation focuses on new strategies for developing renewable and degradable polymers with minimal energy input as well as new methods to blend legacy polyolefins with renewable …
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Studies of Sustainable Polymers: Novel Lignins to Reprocessable Polymers
This dissertation includes two research topics. This first topic focuses on fundamental studies of monolignols and lignin, including polymerization and degradation. The second part reports a polymeric material that was crosslinked but can be reprocessed. In order to understand lignin from a …
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Bimetallic Main-Group Catalysts for the Synthesis of Advanced Biocompatible, Biodegradable, and Sustainable Polymers
… Among these, poly(lactic acid) (PLA) and its copolymers are especially notable for their biodegradability, sustainability, and tunable chemical and physical properties. This dissertation presents a systematic investigation into the synthesis of PLA and its copolymers with ε-caprolactone and …
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High-throughput Photodegradation of Plastics
… that new chemistries are discovered to produce polymers with the correct properties to meet consumer demands, but with a finite and well understood lifetime in the environment. This thesis aims to evaluate the rate of abiotic degradation of different plastics using a high throughput …
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Design and synthesis of plant oil-based UV-curable acrylates for sustainable coating applications
A demand in sustainable polymers has been increased because of the environment concerns and saving finite petroleum resources. Plant oils are promising renewable resources to produce environmentally friendly polymer applications. Soybean oil-based resins such as epoxidized soybean oil (ESO) and …
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Catalytic biomass conversion and upgrading into platform chemicals and liquid fuels
… biodiesels, high-quality alkane jet fuels, and sustainable polymers, thereby establishing DHMF as a new C12 biomass platform chemical.
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Synthesis of Functionalized Sustainable Polyesters via Controlled Ring-opening Polymerization of O-carboxyanhydrides
… strategy is not limited to preparing homopolymers and block copolymers but also to producing stereoblock and gradient copolymers (Chapter 4). In particular, the gradient copolymers exhibited better ductility and toughness than their corresponding homopolymers and block copolymers, …
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Abiotic and Biotic Polymer Degradation to Inform Sustainable Design
… plastic degradation is crucial to inform the sustainable design of polymers. This thesis is structured into three chapters, each addressing critical aspects of polymer degradation: In the first chapter, I develop and apply a sequential abiotic (photodegradation and hydrolysis) and biotic …
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Advances in the Synthesis and Application of Dynamic Covalent Polymer Networks
… concerns related to plastic wastes, fabricating sustainable and renewable plastics is an important strategy. Thermoplastics (linear polymers) and Thermosets (crosslinked polymer networks) are two main categories of plastic materials. Thermosets have excellent chemical stability, strength, and …