Conclusions
The adsorption of styrene (298 K), triphenylcarbinol (298 K), and of propylene with toluene (473 K) on H-TsVK zeolite leads to the formation of alkylaromatic carbocations which are stable up to 473–573 K and are characterized by bands in DRS at 320–330 and 400–440 nm and in IR by vC=C of the aromatic ring in the regions 1500 and 1610–1620 cm−1. In the adsorption of benzene, toluene, isopropylbenzene, and 1,3-dimethylnaphthalene at 298 K, only weakly bonded surface complexes are formed.
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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 7, pp. 1486–1490, July, 1989.