The results indicated that the main reactions of cumene cracking were dealkylation and protolytic cracking of alkyl side chain.Benzene was mainly formed by the dealkylation reaction.

• 结果表明，异丙苯裂化中的主要反应为脱烷基反应和侧链质子化裂化反应，苯主要来自异丙苯的脱烷基反应；