Nuclear Relaxation Time Images by Radiofrequency Field Gradients Applied to the Study of Solvent Permeation into Polymeric Materials

T2 images are obtained by two interleaved B1-gradient imaging experiments preceded by CPMG trains of different lengths. The method is assessed by means of a phantom involving compartments of different, though relatively close, T2 values. T1 images arise from a previously published procedure also bas...

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Bibliographic Details
Published in:Journal of magnetic resonance (1997) 2001-06, Vol.150 (2), p.214-218
Main Authors: Malveau, C., Grandclaude, D., Canet, D.
Format: Article
Language:English
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Summary:T2 images are obtained by two interleaved B1-gradient imaging experiments preceded by CPMG trains of different lengths. The method is assessed by means of a phantom involving compartments of different, though relatively close, T2 values. T1 images arise from a previously published procedure also based on two interleaved B1-gradient imaging experiments involving different evolution of the longitudinal magnetization. Both types of image appear to be useful in view of the structural characterization of polymer samples through the T2 and T1 distribution of a solvent embedded in the material.
ISSN:1090-7807
1096-0856
DOI:10.1006/jmre.2001.2347