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SOLUTION SELF-ASSEMBLY OF HEXAETHYLENE GLYCOL-FUNCTIONALIZED POLYHEDRAL OLIGOMERIC SILSESQUIOXANE (GPOSS) TETHERED WITH POLYSTYRENE CHAIN

Qu, Haoran
http://rave.ohiolink.edu/etdc/view?acc_num=akron1486638275556455

Abstract Details

2017, Master of Science, University of Akron, Polymer Science.
The self-assembly of amphiphilic molecules, which is a common phenomenon in nature, results in many different complex and ordered structure. Self-assembly of diblock copolymers in solution has been studied for years, typically, the micelle morphologies of a diblock copolymers changes with the selective polar solvent presenting spheres, cylinders, vesicles, even complicated bicontinuous structure, such as P-surface, D-surface and G-surface. Inspired by nature and the complexity of the fascinating architectures, we designed and synthesized a novel giant surfactant containing a well-defined hydrophilic hexaethylene glycol-functionalized polyhedral oligomeric silsesquioxane (GPOSS) head and hydrophobic Polystyrene (PS) tail via atom transfer radical polymerization (ATRP), Thiol-ene reaction and copper(I)-catalyzed azide-alkyne cycloaddition (CuAAC). Nuclear magnetic resonance (NMR), Gel permeation chromatography (GPC) and Matrix-assisted laser desorption/ionization Time-of-Flight mass spectrometry (MALDI-ToF-MS) applied to characterize the successful synthesis of GPOSS with the PS tail, Versatile morphologies (sphere, cylinder, toroid and 2D lamella) formed by adding different amount of water into 1,4-dioxane based giant surfactant solution have been determined via transmission electron microscopy (TEM) and atomic-force microscopy (AFM).
Tianbo Liu, PhD. (Advisor)
Stephen Cheng, PhD. (Committee Member)
43 p.
Polymer Chemistry; Polymers

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Citations

  • Qu, H. (2017). SOLUTION SELF-ASSEMBLY OF HEXAETHYLENE GLYCOL-FUNCTIONALIZED POLYHEDRAL OLIGOMERIC SILSESQUIOXANE (GPOSS) TETHERED WITH POLYSTYRENE CHAIN [Master's thesis, University of Akron]. OhioLINK Electronic Theses and Dissertations Center. http://rave.ohiolink.edu/etdc/view?acc_num=akron1486638275556455

    APA Style (7th edition)

  • Qu, Haoran. SOLUTION SELF-ASSEMBLY OF HEXAETHYLENE GLYCOL-FUNCTIONALIZED POLYHEDRAL OLIGOMERIC SILSESQUIOXANE (GPOSS) TETHERED WITH POLYSTYRENE CHAIN. 2017. University of Akron, Master's thesis. OhioLINK Electronic Theses and Dissertations Center, http://rave.ohiolink.edu/etdc/view?acc_num=akron1486638275556455.

    MLA Style (8th edition)

  • Qu, Haoran. "SOLUTION SELF-ASSEMBLY OF HEXAETHYLENE GLYCOL-FUNCTIONALIZED POLYHEDRAL OLIGOMERIC SILSESQUIOXANE (GPOSS) TETHERED WITH POLYSTYRENE CHAIN." Master's thesis, University of Akron, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=akron1486638275556455

    Chicago Manual of Style (17th edition)

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This open access ETD is published by University of Akron and OhioLINK.