Method of polymerization of conjugated diolefins using iron cata

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...

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252429R, 526136, 526140, 526141, 526335, 526337, C08D 134, C08D 114

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040484181

ABSTRACT:
Method of polymerizing conjugated diolefinic monomers containing from 4 to about 12 carbon atoms to high molecular weight polymers by bringing said monomers into contact with a catalyst system consisting of (1) an iron-containing compound, (2) an organometallic reducing agent from Groups I and III of the Periodic Table, and (3) a nitrogen-containing ligand.

REFERENCES:
patent: 3300466 (1967-01-01), Marullo
patent: 3446788 (1969-05-01), Throckmorton
patent: 3483177 (1969-12-01), Throckmorton
patent: 3778424 (1973-12-01), Sugiura
patent: 3817954 (1974-06-01), Kawakami

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