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
Format:	Artikel
Sprache:	eng
Schlagworte:	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)
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Beschreibung
Zusammenfassung:	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.
ISSN:	0002-7863 1520-5126
DOI:	10.1021/ja026528g