Catalytic composition and its use in olefin oligomerisation

B - Operations – Transporting – 01 – J

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252/79, 260/429.

B01J 31/28 (2006.01) B01J 31/14 (2006.01) C07C 2/30 (2006.01)

Patent

CA 1135246

PRECIS DE LA DIVULGATION: L'invention concerne une composition catalytique carac- térisée en ce qu'elle est le produit résultant de la mise en con- tact, dans un ordre quelconque, d'au moins un composé de nickel bivalent, avec au moins un halogénure d'hydrocarbylaluminium de formule Al R C12 où R est groupe hydrocarbone monovalent, et au moins un acide organique de Bronsted ne renfermant pas de phosphore dont le pKaà 20°C est au plus égal à 3. La composition cataly- tique selon l'invention est utile pour l'oligomérisation, en particulier la dimérisation et la trimérisation, des monooléfines.

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