Characterization of Ethylene—Propylene—Diene Terpolymers (EPDM) by 750 MHz On-line SEC-NMR

Analysis of Poly(ethyl methacrylate)s by On-Line Hyphenation of Liquid Chromatography at the Critical Adsorption Point and Nuclear Magnetic Resonance Spectroscopy

“…Recent progress in the sensitivity and resolution of NMR spectrometers together with introduction of commercially available LC NMR probes and development of methods for effective suppression of eluent signals , opens the possibilities of use of NMR spectrometers as real-time detectors in different modes of liquid chromatography. Thus, the NMR spectrometer has been used as a detector in SEC for direct determination of accurate molar mass and molar mass distribution of macromolecules − as well as for the study of molar mass dependence of tacticity and copolymer composition , in polymer samples.…”

Imidazolidin-2-iminato vanadium complexes for the synthesis of ethylene/propylene/5-ethylidene-2-norbornene (ENB) terpolymers with high ENB incorporation and ultra-high molecular weight

“…8 and the assignments are given according to the literature. 38,42 Similar to the 1 H NMR spectra of terpolymers prepared by using half-titanocene catalysts, the wide signals around 5.24 (a E ) and 5.02 (a Z ) ppm assigned to the protons of the internal Fig. 5 Catalytic activity of Vi3 for the copolymerization of ethylene with propylene and propylene incorporation ratio in the resulting copolymers (entries 6, 8-11 in Table 1).…”

Ethylene/Propylene/Diene Terpolymers Grafted with Poly(methyl acrylate) by Reverse Atom Transfer Radical Polymerization

“…(═CH–) protons of the EPDM were identified. [ 32 ] In addition, the resonances at 1.5, 1.7, 1.9, 2.3, and 3.6 ppm belong to PMA protons (repeating unit CH 2 –CH–COOCH 3 ) that are part of the EPDM‐ g ‐PMA. The resonance of the terminal group CHBr–COOCH 3 is also presented at 3.75 ppm.…”