The smectites interlarded with polyhydroxyl Al prepared according to the method in this paper are used as catalysts in the reaction of the de sec butylation of 2 sec butylphenol. The results are better.

• 用该法制备的柱撑羟基铝蒙脱石在 2 仲丁基苯酚脱丁基化反应中作催化剂 ,效果良好