C - Chemistry – Metallurgy – 07 – F
Patent
C - Chemistry, Metallurgy
07
F
C07F 3/02 (2006.01) C08F 4/02 (2006.01) C08F 4/654 (2006.01) C08F 4/656 (2006.01) C08F 10/00 (2006.01)
Patent
CA 2470179
The present invention relates to a supported catalyst containing titanium, its preparation and its use in the homo-, co-, and ter-polymerization of olefin- unsaturated compounds. The present invention also relates to a catalytic system comprising a supported catalyst based on titanium and a co-catalyst selected from organo-derivatives of aluminum. More specifically, the present invention relates to a catalyst supported on silica, obtained by reacting a titanium halocarboxylate and a magnesium halocarboxylate with an aluminum chloroakylderivative, in the presente of a carrier consisting of high porosity silica. The above reaction essentially takes place in the pores of the silica itself.
L'invention concerne un catalyseur support~ contenant du titane, sa pr~paration et son utilisation dans l'homopolym~risation, la copolym~risation et la terpolym~risation de compos~s non satur~s en ol~fines. L'invention concerne ~galement un systme catalytique comprenant un catalyseur support~ contenant du titane et un cocatalyseur choisi dans le groupe des d~riv~s organiques d'aluminium. D'une manire plus sp~cifique, l'invention concerne un catalyseur support~ sur de la silice, que l'on obtient en faisant r~agir un halocarboxylate de titane et un halocarboxylate de magn~sium avec un d~riv~ chloroalkyle d'aluminium en pr~sence d'un excipient constitu~ d'une silice ~ porosit~ ~lev~e. Ladite r~action se produit essentiellement dans les pores de la silice elle-mÚme.
Masi Francesco
Polesello Mario
Proto Antonio
Santi Roberto
Sommazzi Anna
Polimeri Europa S.p.a
Robic
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