Catalyst – solid sorbent – or support therefor: product or process – Catalyst or precursor therefor – Plural component system comprising a - group i to iv metal...
Patent
1982-11-24
1984-03-06
Garvin, Patrick
Catalyst, solid sorbent, or support therefor: product or process
Catalyst or precursor therefor
Plural component system comprising a - group i to iv metal...
502111, 502125, 526124, 526129, 526142, C08F 468
Patent
active
044355181
ABSTRACT:
Catalyst compositions which are particularly useful for the preparation of ethylene polymers having a narrow molecular weight distribution are obtained by (1) drying an inorganic oxide having surface hydroxyl groups, e.g., silica, alumina, magnesia, etc., to remove adsorbed water, (2) reacting the surface hydroxyl groups with at least a stoichiometric amount of an organometallic compound having at least one alkyl group attached to a Group III metal, e.g., a trialkylaluminum, (3) reacting the thus-treated inorganic oxide with a vanadium halide, such as (a) VOCl.sub.3, VOBr.sub.3, and/or mono-, di-, and/or trihydrocarbyloxy derivatives thereof and/or (b) VCl.sub.4, VBr.sub.4, and/or mono-, di-, tri-, and/or tetrahydrocarbyloxy derivatives thereof, and (4) reacting that reaction product with at least about 0.1 mol, per mol of organometallic compound, of an alcohol containing 1 to 18 carbon atoms.
REFERENCES:
patent: 3457244 (1969-07-01), Fukuda et al.
patent: 3535269 (1970-10-01), Tanaka et al.
patent: 3591656 (1971-07-01), Kroll
patent: 4113933 (1978-09-01), Schweier et al.
patent: 4148754 (1979-04-01), Strobel et al.
patent: 4263171 (1981-04-01), Shida et al.
patent: 4330648 (1982-05-01), Welch
patent: 4333851 (1982-06-01), Speakman et al.
Hsieh John T. T.
Pennington B. Timothy
Roling Paul V.
Cities Service Co.
Garvin Patrick
Hogan Patricia J.
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