Abstract
Compatible blends of polystyreneand poly(vinyl methyl ether) have been studied by high-resolution solid-state 13 C NMR. Line widths and spin-lattice relaxation times in the rotating frame have been measured for different resonances as a function of both temperature and blend composition. Results thus obtained have shown the existence of local chain motions with different frequencies and temperature dependences for the two polymers. By varying the blend composition, it has been possible to investigate the influence of intermolecular on the local chain dynamics of both components
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