129Xe n.m.r. spectroscopic characterization of multiphase polypropylene copolymers
โ Scribed by Francis M. Mirabella Jr; Douglas C. McFaddin
- Book ID
- 103354791
- Publisher
- Elsevier Science
- Year
- 1996
- Tongue
- English
- Weight
- 859 KB
- Volume
- 37
- Category
- Article
- ISSN
- 0032-3861
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๐ SIMILAR VOLUMES
The dehydration of RENaY, where RE --La 3รท and Ce 3+, has been studied by the 129Xe n.m.r, technique. The [RE (OH)=] {3-')+ cations migrate from the supercages toward the prisms and sodalite cages when x = 0 for La 3+ and x = 0 or 1 for Ce 3+. The chemical shift bs.RE of the xenon adsorbed by the to
Combined xenon-129 n.m.r. and X-ray diffraction techniques have been used to characterize two novel molecular sieves, VPI-5 and AIPO& By comparing the literature data, it can be concluded that VPI-5 contains generally not only extralarge pores, about 12.5 A in diameter, but also pores of about 10.7