descriptionPublicationkeyboard_double_arrow_right Article 12 Jun 2002 English Publisher:American Chemical Society (ACS)Journal:Journal of the American Chemical Society, volume 124, pages 7,908-7,909 (issn: 0002-7863, eissn: 1520-5126,

Authors: Gary P, Harp; Keshav S, Gautam; Ali, Dhinojwala;

doi: 10.1021/ja026528g

pmid: 12095328

Probing Polymer/Polymer Interfaces

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Abstract

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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