C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
402/636, 252/95
C08F 4/68 (2006.01) C08F 10/00 (2006.01)
Patent
CA 1314535
ABSTRACT A catalyst composition and a process for producing olefins is disclosed. The catalyst composition is the reaction product between a) the product obtained by reacting a support which consists of activated silica, in a liquid alkane with an organometallic compound having the formula MR1R2R3 wherein M is a metal in groups I and III of the Periodic Table, R1 is C1, Br, I or an alkyl group having 1-12 carbon atoms, R2 and R3 independently of each other are selected among H, C1, Br, I, alkyl groups having 1-12 carbon atoms, and alkoxy groups having 1-12 carbon atoms; and b) a chlorinated oxygen-containing vanadium compound. The catalyst composition is characterised in that the chlorinated oxygen-containing vanadium compound is the reaction product between vanadium pentoxide and a chlori- nating agent selected among i) A1C13, TiC14, ZrC14, SbC15, SbOC13, SnC14, PC15 and POC13; ii) COC12, (COC1)2, SOC12, SO2C1, C6H5COC1, CnH2n+ COC1 wherein n = 1-12; and iii) hexaehloropropylene and benzotriehloride. In the process, olefin monomers are contacted with the catalyst composition and allowed to react under polymerisation conditions.
575093
Johansson Solveig
Lindgren Daniel
Palmqvist Ulf
Wahlstrom Anders
Borealis Holding A/s
Fetherstonhaugh & Co.
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