Detailed structural elucidation of polyesters and acrylates using Fourier transform mass spectrometry
| Autor: | Violeta I. Petkovska, William J. Simonsick |
|---|---|
| Jazyk: | angličtina |
| Rok vydání: | 2008 |
| Předmět: |
Collision-induced dissociation
Polymers Tandem mass spectrometry Electrospray ionization Polyesters Mass spectrometry Biochemistry Fourier transform ion cyclotron resonance Mass Spectrometry Analytical Chemistry Lactones Computational chemistry Laser desorption ionization Organic chemistry Caproates Paper in Forefront Chemical ionization Fourier Analysis Molecular Structure Chemistry Triazines Copolymers End-group Fourier transform mass spectrometry Acrylates Molar mass distribution Stearic Acids |
| Zdroj: | Analytical and Bioanalytical Chemistry |
| ISSN: | 1618-2650 1618-2642 |
| Popis: | The detailed structural characterization of complex polymer architectures, like copolymers and polymer mixtures, by mass spectrometry presents a challenge. Even though soft ionization analyses revolutionized the characterization of large molecules and provided a means for determining the polymer's molecular weight distribution, polydispersity, and end groups, full microstructure elucidation and monomer sequencing by soft ionization alone is not possible. The combination of high-resolution Fourier transform mass spectrometry (FTMS) and tandem mass spectrometry (MS(n)) provides a powerful analytical tool for addressing these challenges. This tool was used in our work to separate and identify the products of polymerization between 12-hydroxystearic acid (HSA) and stearic acid (SA), to provide precise information about the exact location of caprolactones on the Tris(2-hydroxyethyl)isocyanurate (THEIC) molecule, and to sequence a glycidyl methacrylate/methyl methacrylate (GMA/MMA) copolymer. The results highlight the value of ultrahigh resolution and tandem mass spectrometry for fine structural characterization and sequencing of polymers. |
| Databáze: | OpenAIRE |
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