Silica having titanium incorporated through use of peroxide

Details Silica having titanium incorporated through use of peroxide Silica having titanium incorporated through use of peroxide

1981-11-25

1983-05-03

Dees, Carl F.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

252458, B01J 2106, B01J 2326, B01J 3700

Patent

active

043820220

ABSTRACT:
A silica composition having a high concentration of titanium is produced by solubilizing a titanium compound by combining same with a peroxide such as hydrogen peroxide. In a preferred embodiment, the peroxide is combined with the acid typically used in producing a gel from the combination of a silicate solution and an acid although the solubilizing component can also be used to simply impregnate particulate silica. The resulting composition has a high titanium content and an unusual pore structure makes it ideally suited as a catalyst base. When contemplated as a catalyst base, chromium can simply be coprecipitated with the silica and titanium. The resulting catalyst is ideally suited for the polymerization of olefins under slurry conditions.

REFERENCES:
patent: 1806690 (1931-05-01), Kroner et al.
patent: 2311917 (1943-02-01), Wainer et al.
patent: 2895920 (1959-07-01), Janoski
patent: 3182048 (1965-05-01), Mills
patent: 3459736 (1969-08-01), Dalibor
patent: 4119569 (1978-10-01), Dietz

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