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Please use this identifier to cite or link to this item: http://eprint.iitd.ac.in/handle/2074/1265

Title: Compositional assignments of methyl methacrylate—vinylidene: chloride copolymers by two dimensional NMR spectroscopy
Authors: Brar, A S
Malhotra, Meenakshi
Keywords: methyl methacrylate
vinylidene chloride copolymers
distortionless enhancement
polarization transfer
methylene proton
Issue Date: 1999
Citation: European Polymer Journal, 35(4), 631-638
Abstract: The compositional assignments of methyl methacrylate—vinylidene chloride copolymers prepared by the photopolymerization process was studied by 1H, 13C–NMR, 1H–13C–heteronuclear shift correlation NMR (HSQC) and by double quantum filtered homonuclear shift correlated spectroscopy (DQF–COSY). A 13C distortionless enhancement by polarization transfer (DEPT) spectrum was used to differentiate between the resonance signals of methoxy and the methylene units. Assignments to the methylene regions have been done up to the tetrad levels using 2D HSQC experiments. The geminal couplings in the methylene proton region is evident from the 2D-COSY experiments.
URI: http://eprint.iitd.ac.in/dspace/handle/2074/1265
Appears in Collections:Chemistry

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