| abstract |
Preparing a mixture comprising iron oxide, and at least one Group 1 metal or a compound thereof, obtained by heating a mixture comprising at least 0.05 millimoles of metal chloride converted to metal oxide under heating conditions per mole of iron halide and Catalyst production method comprising a; A catalyst prepared by the method described above; A method for dehydrogenating an alkylaromatic compound, comprising contacting the alkylaromatic compound with a catalyst; And using an alkenylaromatic compound prepared by a dehydrogenation method to prepare a polymer or copolymer. |