Method of producing solid polymers

Chemistry of carbon compounds – Miscellaneous organic carbon compounds – C-metal

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260878R, 526 75, 526120, 526122, 526148, 526155, 526158, 526201, 526348, 526352, 526934, 526 68, C08F 214, C08F25500, C08F 1002

Patent

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039549097

ABSTRACT:
A method for producing solid polymers having a molecular weight greater than 50,000 from olefins wherein the olefin is polymerized in the absence of a liquid dispersion agent of a nature different from that of the olefin to be polymerized, and in contact with a prepolymer containing a small amount of transition metal of subgroups IV-b, V-b and VI-b having been produced by the polymerization of an olefin in a dispersion liquid containing a Ziegler-type catalyst.

REFERENCES:
patent: 3475517 (1969-10-01), Renaudo
patent: 3514501 (1970-05-01), Leibson et al.

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