Investigation of the interaction of isobutylene with an antimony-tin catalyst |
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| Authors: | O S Morozova A A Kadushin V A Khalif E L Aptekar' L Ya Margolis O V Krylov |
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| Institution: | 1. Institute of Chemical Physics of the Academy of Sciences of the USSR, Moscow
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| Abstract: | | 1. |
The surface of a SnO2-Sb2O4 catalyst is uniformly homogeneous with respect to the heats of adsorption of isobutylene. The heats vary from 50 to 20 kcal/mole as the degree of coverage is increased to 18% of a monolayer.
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Isobutylene is adsorbed on SnO2-Sb2O4 in two forms: reversible (desorbed in the range 79–100° with Edes=21 kcal/mole) and irreversible.
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Irreversibly chemisorbed isobutylene exists on the surface primarily in the form of the -methallyl complex.
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