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 11 of 11 for “"Ion-containing Polymers"”.
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Structural and morphological characterization of model elastomeric ion containing polymers
… interest in the structure property behavior of ion containing polymers. Of particular interest are those materials termed ionomers which contain ionic groups that are typically less than 15 mole percent. These ionic interactions provides an additional means of controlling polymer structure and …
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Bio-inspired Design and Self-Assembly of Nucleobase- and Ion-Containing Polymers
Bio-inspired monomers functionalized with nucleobase or ionic group allowed synthesis of supramolecular polymers using free radical polymerization and controlled radical polymerization techniques. Comprehensive investigations for the structure-property-morphology relationships of these …
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Morphological Characterization and Analysis of Ion-Containing Polymers Using Small Angle X-ray Scattering
… 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 understanding of these structural parameters is crucial in polymer …
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The preparation of high performance polymers for composites and blends: A) thermally stable ion containing polymers B) epoxy and hydroxy functional polyolefin macromers
In this dissertation, two approaches were taken to design aqueous dispersible or soluble high performance ion containing polymers to be used as composite system interfacial modifiers and processing aids. In the first approach, thermally stable pyridine containing poly(ary/ene ether)s were designed …
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The Chemistry of Fullerenes, Polymers, and Host/Guest Interactions
The exploitation of the relationship between the chemical and physical properties of materials is the hallmark of advancing science throughout the world. The basic understanding of how and why molecules react and interact with each other in different environments allows for the discovery and …
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Investigation of Phase-Separated Polymeric Materials via X-ray Scattering Techniques
This dissertation presents a discussion of a variety of polymeric materials and their characterization via ultra-small, small, and wide-angle X-ray scattering methods (USAXS/SAXS/WAXS). Specifically, these experimental techniques are employed to investigate the phase separated morphologies that …
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Anionic synthesis and characterization of alkyl methacrylate containing polymeric systems
The anionic synthesis of alkyl methacrylates has received sparse attention in comparison to the synthesis of nonpolar hydrocarbon monomers such as styrene or the dienes. The two major reasons for the sluggish synthetic development of this class of polar monomers are the protic impurities present in …
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Ion containing copolymers via the emulsion copolymerization of polar and ionic vinyl monomers
The synthesis of ion containing copolymers by emulsion copolymerization of polar vinyl monomers with ionic vinyl monomers has been studied. The copolymerization of n-butyl acrylate with sodium-pstyrene sulfonate proved to be particularly rapid. With the proper choice of chain transfer agent soluble …
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Imparting Functionality to Macromolecules for Selective Stimulus Response
… area of research. In particular, block copolymers demonstrate exciting properties owing to their enhanced mechanical strength and microphase separation. Incorporating functionality into block copolymers proves useful in enhancing their utility. Presently, synthesis and subsequent …
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Segmented Aromatic Polymers Containing Thermally Reversible Linkages
This dissertation describes a general synthetic platform for segmented polymers that have main-chain reversible linkages based on cyclopentadiene-maleimide Diels-Alder chemistry. Research in the area of thermally reversible (self-healing) polymers has been an ever-expanding area of interest in the …
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Novel Monomer Design for Next-Generation Step-Growth Polymers
… provided routes towards novel step-growth polymers for emerging applications. Adjustment of reaction conditions enabled green synthetic strategies, and promising scalability studies offered impetus for industrial funding. Engineering thermoplastics, such as linear polyetherimides (PEIs), …