# Browse by Subject "Chemistry, Polymer"

• (1994)
The main objective of this research involves the bulk synthesis of two-dimensional (2D) polymers. Two different approaches, the chiral recognition approach and the hairpin approach, have been used for the "bulk preparation ...

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• (1990)
In this thesis we discuss a mesoscale model of block-copolymer (BCP) microphase separation dynamics based on a cell dynamics system (CDS) model. The model suggests a partial differential equation (PDE) model that allows ...

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• (1993)
The goal of the work presented here is the development of optical waveguide techniques for the characterization of diffusion mechanisms and mass transport processes in uncoated polymer films and Langmuir-Blodgett mono- and ...

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• (1989)
The molecular attributes which govern the formation and structure of ordered phases in polymeric materials are poorly understood. This work studies the relationship between configurational order among dipolar functional ...

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• (1991)
The concentration profiles are derived using the Rouse and reptation dynamics for the symmetric monodisperse and polydisperse interfaces, the asymmetric monodisperse interface, the symmetric blend interfaces, and the ...

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• (1978)

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• (1980)
Proton relaxation measurements have been used to investigate the effects of crosslinking and entanglements on segmental motion in polybutadiene. The temperature dependence of T(,1), the spin-lattice relaxation time, T(,2), ...

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• (2009)
As an approach to counter certain drawbacks that exist in the use of DNA as a building material for nanotechnology, simpler DNA inspired modules have been designed. These are units that have the desired property of forming ...

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• (1992)
Measurements of the mass adsorbed of polymer layers adsorbed from dilute carbon tetrachloride solutions $(\approx$1.00 mg/mL) were made as a function of time using Fourier transform infrared spectroscopy in the mode of ...

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• (1992)
New physics emerges when polyphenylmethylsiloxane (PPMS) adsorbed between mica surfaces spaced at molecular dimensions undergoes oscillatory shear. The polymers experience a dynamic liquid-like to rubber-like transition ...

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• (1996)
Aromatic copolyesters (LCPs) have been a subject of extensive research effort over the past 30 years. This is due primarily to their unique combination of properties and processability. They are limited, however, due to ...

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• (1995)
Electron transfer is a fundamental chemical process. It involves the movement of localized electronic charge from one atom, ion, or molecule to another. Despite its obvious fundamental nature, its practical importance, and ...

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• (1985)
Infrared spectroscopy, which looks at short range order, provides information on the strength of molecular vibrational frequencies and intensities. The measurement of changes in vibrational frequency, (nu), and in the ...

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• (1995)
We study the adsorption of macromolecules from solution onto single solid surfaces, focusing on the evolution of compositional heterogeneity of the layer. The origin and development of adsorption states within the physisorbed ...

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• (1986)
The nonequilibrium glassy state of polymers has been examined using Fourier-Transform Infrared (FTIR) spectroscopy. The nonequilibrium nature of polymer glasses induces a physical aging process which results in time dependent ...

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• (1988)
This research concerns the understanding of the underlying factors and mechanisms which give rise to the altered photophysical behavior and nonexponential decay kinetics of tris-(2,2$\sp\prime$-bipyridine)ruthenium(II) ...

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• (1992)
The crystal structure and morphology of random, main chain, thermotropic liquid crystal polymers (LCP's) of equimolar amounts of the following structural units (with n equal to 4, 5, 6 and 7 in "A") have been examined by ...

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• (1984)
Physical and mechanical properties of amorphous polyethylene terephthalate (PET) have been measured. A uniform morphology was observed when PET thin film (ca. 1000 (ANGSTROM)) was ultraquenched from above its equilibrium ...

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• (1996)
This research project investigated the structure and properties of bulk films created from multilayered supramolecular structures. The rodcoil molecule was key to the formation of two-dimensional layers stacked over ...

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• (1995)
This work presents a study on the self-organization in condensed phases of rodcoil diblock polymers synthesized in our laboratory. Each macromolecule consists of a rigid and monodisperse rodlike segment covalently attached ...

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