Physical properties nuclear magnetic resonance spectra

Rather soon after the nuclear magnetic reasonance (NMR) method was applied successfully to solid state physics, NMR was applied to the study of physical properties of polymers. To the best of our knowledge, a short paper by Wilson and Pake published in 1952 on the two-component structure of the proton NMR spectrum of polyethylene was the first paper in the field of NMR application to polymer science After that, many papers of NMR studies in polymer physics were published and many novel informations concerning molecular motions and structures of polymeric materials were presented. Recent advances in hardware of instrumentation of NMR measurement opened its application even to the medical and tomographic field Electron paramagnetic resonance (EPR or ESR), on the other hand, was applied to polymer science in the middle of the 1950s in the studies of polymerization and irradiation effects and its application to molecular motion study was established in the first half of the 1960s. 

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