Catalyst – solid sorbent – or support therefor: product or process – Catalyst or precursor therefor – Plural component system comprising a - group i to iv metal...
Patent
1995-06-06
1997-04-08
Smith, Edward J.
Catalyst, solid sorbent, or support therefor: product or process
Catalyst or precursor therefor
Plural component system comprising a - group i to iv metal...
5261253, 526351, C08F 4651, C08F 1006
Patent
active
056187718
ABSTRACT:
Disclosed are catalysts for the polymerization of alpha-olefins which comprise the reaction product of:
(a) an Al alkyl compound;
(b) a silicon compound containing at least a Si--OR or Si--OCOR or Si--NR.sub.2 bond, R being a hydrocarbyl radical;
(c) a solid comprising, as essential support, a Mg dihalide in active form and, supported thereon, a Ti halide or a halo-Ti-alcoholate and a particular, selected type of electron-donor compound.
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Barbe Pier Camillo
Giannini Umberto
Nocci Roberto
Parodi Sandro
Scata Umberto
Montell Technology Company B.V.
Smith Edward J.
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