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Interactions and Morphology of Triblock Copolymer - Ionic Liquid Mixtures and Applications for Gel Polymer Electrolytes
lock copolymer hydrogen bonding ionic liquid polymer electrolyte
2014/11/21
Room temperature ionic liquids (ILs) are a unique class of solvents which are characterized by non-volatility, non-flammability, electrochemical stability and high ionic conductivity. These properties...
Kinetically Trapping Co-continuous Morphologies in Polymer Blends and Composites
co-continuous structure phase separation polymer blend
2014/11/21
Co-continuous structures generated from the phase separation of polymer blends present many opportunities for practical application. Due to the large interfacial area in such structures and the incomp...
Phosphorylcholine Substituted Polyolefins: New Syntheses, Solution Assemblies, and Polymer Vesicles
Pure sciences Applied sciences Phosphorylcholine Self-assembly Vesicles Zwitterions Polyolefins
2014/11/21
This thesis describes the synthesis and applications of a new series of amphiphilic homopolymers and copolymers consisting of hydrophobic polyolefin backbone and hydrophilic phosphorylcholine (PC) pen...
Polymer Modification with Multifunctional Additives and Unique Processing Methods
polymer composites organic/inorganic thermoplastic elastomers crystallizable additives solid state deformation semi-crystalline polymers
2014/11/21
This dissertation describes the investigation of unconventional methods to enhance polymer properties either by using unique processing methods, such as solid-state deformation, or by using multifunct...
STUDIES ON THE WRINKLING OF THIN POLYMER FILMS FLOATING ON LIQUID
surface science floating films buckling wrinkling metrology viscoelasticity polystyrene
2014/11/21
This dissertation aims to broaden our understanding on wrinkling instabilities occurring on floating polymeric sheets, and tries to establish innovative methods that exploit these patterns in studies ...
Characterization of Self-Assembled Functional Polymeric Nanostructures: I. Magnetic Nanostructures from Metallopolymers II. Zwitterionic Polymer Vesicles in Ionic Liquid
Diblock Copolymer Functional Polymers Magnetic Materials Materials Characterization Metal-functionalized polymers Self-assembly
2014/11/21
Two diverse projects illustrate the application of various materials characterization techniques to investigate the structure and properties of nanostructured functional materials formed in both bulk ...
Bending, Wrinkling, and Folding of Thin Polymer Film/Elastomer Interfaces
Deformation Folding Instability Polymer Thin Film Wrinkling
2014/11/21
This work focuses on understanding the buckling deformation mechanisms of bending, wrinkling, and folding that occur on the surfaces and interfaces of polymer systems. We gained fundamental insight in...
Applications of Planar and Patterned Metal Oxide Nanocomposites and Reactive Polymer Blends as Gas Permeation Membranes
Pure sciences Applied sciences Metal oxide Nanocomposite Nanoimprint lithography Nanoparticles Patterning Photonics
2014/11/21
The work in this dissertation is divided into two distinct projects. The majority of this dissertation was based on applications of planar and patterned metal oxide nanocomposites; in particular modif...
Morphology Characterization of Low Band Gap Polymer-based Organic Photovoltaics
Morphology organic photovoltaic phase separation crystallization diffusion
2014/11/21
In bulk heterojunction (BHJ) thin film organic photovoltaics (OPV), morphology control is critical to obtain good device efficiency. Nanoscale phase separation that creates bicontinuous interpenetrati...
ON THE MORPHOLOGY OF POLYMER-BASED SOLAR CELLS TO ACHIEVE HIGHER DEVICE PERFORMANCE
polymer-based solar cells multi-length-scale morphology ternary blend solar cells crystallization processing additives bilayer interdiffusion
2014/11/21
It has been recognized that the morphology of the active layer of the polymer-based solar cells has a great influence on the device performance. To push the efficiency to a higher level, morphology de...
Multifunctional Polymer Composite with Excellent Shear Stiffening Performance and Magnetorheological Effect
Magnetorheological multi-function high polymer composite material magnetic particles dispersed polymer matrix and intelligent composite materials
2014/7/6
A novel multi-functional polymer composite (MPC) with both excellent shear stiffening (ST) performance and magnetorheological (MR) effect is prepared by dispersing magnetic particles into shear stiffe...
Strain rate-induced phase transitions in an impact-hardening polymer composite
Impact - hardening polymer compound protective equipment material the mechanical test
2014/3/28
An impact-hardening polymer composite that is promising as a protective equipment material for its excellent performance and comfortable characteristics is shown. Falling weight impact experiments are...
Influence of surfactants on shear-thickening behavior in concentrated polymer dispersions
Shear-thickening Surfactant Styrene–ethylacrylate copolymer Viscosity
2013/11/10
Concentrated dispersions consisting of 310 nm poly(styrene–ethylacrylate) nanospheres and ethylene glycol, which exhibited pronounced shearthickening
behavior, were prepared in this work. The influen...
Study of the particles' structure dependent rheological behavior for polymer nanospheres based shear-thickening fluid
Shear thickening Rheological properties Poly nanospheres Viscosity Mechanism
2013/9/16
A novel kind of shear thickening fluid (STF) was developed via dispersing poly(styrene–acrylic acid) (PS–AA) nanospheres into ethylene glycol (EG). By varying the structure characteristics of the PS–A...
Soft magnetorheological polymer gels with controllable rheological properties
Magnetorheological plastic polyurethane swelling of the gel matrix carbonyl iron particles
2013/6/21
A series of magnetorheological (MR) gels consisting of plastic polyurethane matrix swollen by nonvolatile solvent in different weight fractions and carbonyl iron particles were prepared. Their magneto...