Abstract

Alkylation of naphthalene with propylene to diisopropylnaphthalenes (DIPN) for the use as a highquality solvent was carried out over Ga-SBA-1 mesoporous catalysts. The Ga-SBA-1 catalysts were very active in the alkylation even at 120 °C and the activity increased with amount of Ga incorporated into the framework (nSi/nGa ratio in the range of 17-140). Ga-SBA-1 catalysts showed a rather low isomerization activity and as a result low 2,6- DIPN selectivity. These two peculiarities of Ga-SBA-1 catalysts cause they are promising catalysts for DIPN solvent synthesis.

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