Abstract
Abstract Alkylation of phenol by 1-dodecene, propylene tetramer and trimer is investigated using a variety of acid catalysts. The catalytic activity of perfluorinated sulfonic acid resin Nafion-H, the recently described ‘sulfate treated’ zirconia and trifluoromethanesulfonic acid is compared with that of cation exchange resin (CER) catalyst which is commonly employed in industrial practice. The activity of zirconia is observed to be comparable to CER and Nafion-H. In view of its low cost and higher thermal and structural stability, this catalyst shows considerable promise for practical application.
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