ISOPRENE SYNTHESIS CATALYST Russian patent published in 2010 - IPC B01J21/00 B01J21/02 B01J21/10 B01J23/00 C07C2/00 C07C11/18 

FIELD: chemistry.

SUBSTANCE: invention relates to production of catalysts, specifically to production of catalysts for synthesis of isoprene by reacting methylal and isobutylene. Described is a catalyst for synthesis of isoprene by reacting methylal and isobutylene, containing boron phosphate, as well as an aluminium-magnesium and/or aluminium-zinc spinel in the following content of components, wt %: aluminium-magnesium and/or aluminium-zinc spinel 40-90; boron phosphate - the rest. Described also is a catalyst for synthesis of isoprene by reacting methylal and isobutylene, containing boron phosphate which also contains an aluminium-magnesium and/or aluminium-zinc spinel and at least one oxide or a compound easily decomposed to an oxide, selected from aluminium, magnesium, zinc, cerium, lanthanum, praseodymium, silicon, calcium, vanadium and molybdenum, with the following content of components, wt %: aluminium-magnesium and/or aluminium-zinc spinel 63-90; boron phosphate 1-32; oxides or compound easily decomposed to oxides, selected from aluminium, magnesium, zinc, cerium, lanthanum, praseodymium, silicon, calcium, vanadium and molybdenum 1-20.

EFFECT: high selectivity and resistance to water vapour.

4 cl, 12 ex, 1 tbl