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ASU Electronic Theses and Dissertations


This collection includes most of the ASU Theses and Dissertations from 2011 to present. ASU Theses and Dissertations are available in downloadable PDF format; however, a small percentage of items are under embargo. Information about the dissertations/theses includes degree information, committee members, an abstract, supporting data or media.

In addition to the electronic theses found in the ASU Digital Repository, ASU Theses and Dissertations can be found in the ASU Library Catalog.

Dissertations and Theses granted by Arizona State University are archived and made available through a joint effort of the ASU Graduate College and the ASU Libraries. For more information or questions about this collection contact or visit the Digital Repository ETD Library Guide or contact the ASU Graduate College at gradformat@asu.edu.


Silicone compounds have a very low surface energy due to highly flexible Si-O-Si backbone and large number of –CH3 groups, but these compounds are extremely hydrophobic and thus have limited applications in aqueous formulations. Modification of such silicone compounds by grafting hydrophilic chains provides a wide range of silicone products called "Silicone Surfactants". Silicone surfactants are surface active agents which get adsorbed at the air-water interface thereby, reducing the interfacial tension. Some of the larger applications of silicone surfactant are in the manufacture of plastic foams, in personal care products and as spreading and wetting agents (Hill, R.M, 2002). In …

Contributors
Singh, Pummy, Green, Matthew, He, Ximin, et al.
Created Date
2016

Polymer-gold composite particles are of tremendous research interests. Contributed by their unique structures, these particles demonstrate superior properties for optical, catalytic and electrical applications. Moreover, the incorporation of “smart” polymers into polymer-gold composite particles enables the composite particles synergistically respond to environment-stimuli like temperature, pH and light with promising applications in multiple areas. A novel Pickering emulsion polymerization route is found for synthesis of core-shell structured polymer-gold composite particles. It is found that the surface coverage of gold nanoparticles (AuNP) on a polystyrene core is influenced by gold nanoparticle concentration and hydrophobicity. More importantly, the absorption wavelength of polystyrene-gold composite …

Contributors
Zhang, Mingmeng, Dai, Lenore L, Phelan, Patrick E, et al.
Created Date
2015