Organo-metal catalysts and processes for their preparation

Details Organo-metal catalysts and processes for their preparation Organo-metal catalysts and processes for their preparation

1979-04-03

1981-09-29

Sneed, Helen M. S.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260429AR, 2604385R, C07F 728

Patent

active

042922534

ABSTRACT:
Metal catalysts for use in known heterogeneous catalysis processes are prepared by vaporizing a metal in a low pressure environment in the vicinity of an organic liquid polymer, so that the metal contacts and becomes anchored to the polymer. The resulting products have the metal in the form of small clusters, anchored to the polymer, this form of the metal being the catalytically most active form. The organometal polymers are stable at temperatures in the -40.degree. C..fwdarw.+40.degree. C. range. Suitable polymers include poly (methyl-phenyl siloxanes) and poly (phenyl ethers). Suitable metals include titanium, chromium, molybdenum, etcetera.

REFERENCES:
patent: 3906017 (1975-09-01), Middleton et al.
patent: 3998864 (1976-12-01), Trevillyan
patent: 4080490 (1978-03-01), Dawans et al.
Francis et al., J.C.S. Chem. Comm., pp. 466-467 (1977).
Pittman et al., J.A.C.S. 97(7), pp. 1742-1748 (1975).
Skell et al., J.A.C.S. 95(10), pp. 3337-3340 (1973).
Boyd et al., The J. of Chemical Physics 60(10), pp. 4088-4089 (1974).

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