Structure correlation of silylated dicarboxylic acid monomer and its respective oligomeric polyamide-imide using experimental and theoretical vibrational spectra
作者： Carmen M González-Henríquez , Claudio A Terraza , Mauricio A Sarabia , Alejandra M Vera , Álvaro E Aliaga
DOI: 10.1080/00387010.2017.1282523
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摘要: AbstractCorrelation between theoretical and experimental (Infrared Raman spectroscopies) vibrational spectra of two compounds, both with a silyl group present in their main chain an optically active structure (L-valine) as side group, were performed. These compounds are based chiral dicarboxylic acid monomer its respective polyamide-imide, oligomer that was previously synthesized by direct polycondensation. Spectra recorded the region comprised 500 4000 cm−1 for infrared analysis. The obtained through 1064 nm laser excitation source.Theoretical models carried out order to find optimal molecular geometry analyzed systems, complete assignment spectra. data Nd:YAG this kind silylated organic comparison these results is useful advance polymer synthesis field, which can be use...
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