| 摘要 |
<p>The present invention relates to a process for the preparation of dimethylcumenes comprising alkylating a substrate comprising of one or more xylene isomers with an alkylating agent in the pesence of a solid acid zeolite catalyst selected from ultrastable zeolite Y (Si/Al=5 to 50) and Beta (Si/Al=10-120), and separating the products formed in vapour phase.</p> |
