Author/Authors :
Kawahara، نويسنده , , Seiichi and Chaikumpollert، نويسنده , , Oraphin and Sakurai، نويسنده , , Satoshi and Yamamoto، نويسنده , , Yoshimasa and Akabori، نويسنده , , Keiichi، نويسنده ,
Abstract :
Crosslinking junctions of vulcanized natural rubber were analyzed by solid-state NMR spectroscopy equipped with a field-gradient high speed magic angle spinning probe. Resolution of 1H and 13C NMR spectra and correlations between 1H and 13C of the vulcanized natural rubber were investigated by one- and two-dimensional measurements, including inverse correlation measurements. The number of substitution of the carbon atom at the crosslinking junctions was determined by solid-state NMR spectroscopy.