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Several organo-modified montmorillonites were studied to prepare nanocomposites of polyoctamethylene suberate, a biodegradable polyester. Mixtures were analyzed by conventional powder X-ray diffraction and transmission electron microscopy techniques. C30B clay was effective in rendering an intercalated structure with rather variable silicate layer spacing. The hydroxyl groups of the organo-modifier...
By combining the large-angle convergent-beam electron diffraction (LACBED) configuration together with a microscope equipped with a C s corrector it is possible to obtain good quality spot patterns in image mode and not in diffraction mode as it is usually the case. These patterns have two main advantages with respect to the conventional selected-area electron diffraction (SAED) or microdiffraction...
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