Abstract
Nuclear magnetic resonance spectroscopy (NMR) in solution and solid state was applied to obtain response of the chemical behaviour of commercial poly(alpha–methylstyrene) (PAMS). From solution measurements it was possible to determine the microstructure of this amorphous homopolymer. The solid state NMR investigation showed that the CPMAS 13C routine spectrum allowed us to obtain information on the polymer microstructure and also evaluate the domain mobilities. The variation contact time and the proton spin-lattice relaxation time were determinant factors to evaluate the dynamic molecular motion.
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