▎ 摘　　要

NOVELTY - Production of, optionally functionalized, styrene monomers involves (a) feeding benzene or aromatic oxygenate, ethylene and heterogeneous catalyst into a reactor forming a mixture of benzene or aromatic oxygenate and ethylene (starting material), and (b) heating the mixture and applying pressure to obtain crude styrene. The heating is carried out at 150-300 degrees C under ethylene pressure of 5-100 bar. USE - Production of, optionally functionalized, styrene monomers. ADVANTAGE - The method produces optionally functionalized, styrene monomers ensures reduced production cost, environmentally-friendly, high activity, selectivity easy separation and reusability. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for use of heterogeneous catalyst for the production of, optionally functionalized, styrene from benzene or aromatic oxygenate with ethylene.