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Please use this identifier to cite or link to this item: http://eprint.iitd.ac.in/handle/2074/1462

Title: Structural investigations of poly(methyl methacrylate) by two-dimensional NMR
Authors: Brar, A S
Singh, Gurmeet
Shankar, Ravi
Keywords: NMR
PMMA
Microstructure
Modeling
Issue Date: 2004
Citation: Journal of Molecular Structure, 703(1-3), 69-81
Abstract: In the present paper a comprehensive microstructure analysis of PMMA based on the combination of one-dimensional and two-dimensional (TOCSY, HSQC, and HMBC) NMR experiments is reported. To resolve complex resonance assignments, empirical chemical shift modeling supported by the 2D NMR spectroscopy has been done. Rigorous assignments of resonance signals have been done by investigating the one bond couplings between carbon/proton nuclei by the HSQC (heteronuclear single quantum coherence) and two bond proton/proton couplings by TOCSY (total correlation spectroscopy) experiments. Investigations of the two and three bond order carbon/proton couplings from HMBC (heteronuclear multi bond correlation) spectrum are reported.
URI: http://eprint.iitd.ac.in/dspace/handle/2074/1462
Appears in Collections:Chemistry

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