Probing Polymer/Polymer Interfaces

Infrared-visible sum frequency generation spectroscopy (SFG) has been used to study the interface between poly(vinyl-N-octadecylcarbamate-co-vinyl acetate) (Comb) and deuterated or hydrogenated polystyrene (dPS or hPS) films. Strong methyl symmetric and Fermi resonance bands associated with the alky...

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Veröffentlicht in:Journal of the American Chemical Society 2002-07, Vol.124 (27), p.7908-7909
Hauptverfasser: Harp, Gary P, Gautam, Keshav S, Dhinojwala, Ali
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creator Harp, Gary P
Gautam, Keshav S
Dhinojwala, Ali
description Infrared-visible sum frequency generation spectroscopy (SFG) has been used to study the interface between poly(vinyl-N-octadecylcarbamate-co-vinyl acetate) (Comb) and deuterated or hydrogenated polystyrene (dPS or hPS) films. Strong methyl symmetric and Fermi resonance bands associated with the alkyl side chains of the Comb polymer are observed in the SFG spectra. In addition, for Comb/hPS spectra, symmetric and asymmetric vibration modes of phenyl groups are observed. The presence of asymmetric modes indicates the phenyl rings are tilted with respect to the interface normal.
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subjects Applied sciences
Condensed matter: structure, mechanical and thermal properties
Exact sciences and technology
Interface structure and roughness
Organic polymers
Physicochemistry of polymers
Physics
Properties and characterization
Solid surfaces and solid-solid interfaces
Surface properties
Surfaces and interfaces
thin films and whiskers (structure and nonelectronic properties)
title Probing Polymer/Polymer Interfaces
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