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STUDIA PHYSICA - Issue no. 1 / 2006 | |||||||
Article: |
SOME PROPERTIES OF THE NMR SPIN-SPIN RELAXATION OF THE POLYBUTADIENE-TOLUENE SOLUTIONS. Authors: C.V. POP, M. TODICA, S. ASTILEAN. |
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Abstract: The NMR relaxation of the transverse magnetization of the protons attached to the polymeric chains was observed for the molten polybutadiene and for some polybutadiene-toluene solutions in a large temperature domain. The superposition properties of the relaxation curves, the linear temperature dependence of the experimental parameter t0.6(T), and the observation of the pseudo solid echoes, were correlated | |||||||