Abstract
Wideline 1H FID and relaxation measurements of a relatively simple motionally heterogeneous system, the triblock copolymer styrene–butadiene–styrene, have been performed in a temperature range between the polystyrene and polybutadiene glass transition temperatures. The two FID and the two spin lattice relaxation time in the rotating frame ( T 1 ρ ) components found at each temperature have been correlated by means of a two-dimensional approach. It is shown that this approach allows dynamic information, not accessible simply by interpreting proton T 1 and T 1 ρ data, to be revealed. In the case examined, the correlation found could be confirmed by high-resolution 1H T 1 ρ -selective 13C Cross Polarization experiments.
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