DETERMINATION OF INTERATOMIC DISTANCE FUNCTION OF RARE-EARTH CIS-1, 4-POLYBUTADIENE BY RADIAL DISTRIBUTION FUNCTIONS DERIVED FROM ELECTRON DIFFRACTION
电子衍射径向分布函数测定稀土顺1,4聚丁二烯的原子间距分布

This paper deals with interatomic distance function of rareearth cis-1, 4-polybuta-diene by RDF derived from electron diffraction. The RDF obtained from the analysis of the experimental intensity curves of electron diffraction can be used to characterize the short-range order of amorphous systems. Two intramolecular peaks and three in-termolecular peaks have been found RDF. The appearance of such a number of intermolecular maxima on the RDF can be explained by the local parallel packing of long chains molecules of the amorphous polymers.