Catalyst compositions and a process for polymerizing carbon monoxide and olefins
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United States of America Patent
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Apr 26, 1988
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N/A
app pub date -
May 13, 1987
filing date -
May 13, 1986
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Expired
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Abstract
Carbon monoixide, ethylene and optionally at least one olefinically unsaturated organic compound may be polymerized by contacting the monomers in the presence of a catalyst which comprises a Group VIII metal compound of palladium, cobalt or nickel, a bidentate phosphorus, arsenic or antimony ligand and a halide of tin or germanium. The tin or germanium halide is not required when a palladium halide is used as the Group VIII metal compound. The polymers prepared are linear alternating polymers which consist of units with the formula ##STR1## and units having the formula ##STR2## where A is the residue of an alkenically unsaturated organic compound monomer.
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