Cyclized copolymer from a conjugated diene and an alpha olefin,

Details Cyclized copolymer from a conjugated diene and an alpha olefin, Cyclized copolymer from a conjugated diene and an alpha olefin,

1973-11-19

1976-01-06

Holler, Alan

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 946, C08F 446, C08F 3604, C08F23604

Patent

active

039311279

ABSTRACT:
A conjugated diene or a mixture of conjugated dienes or a mixture of a conjugated diene and an aryl vinyl monomer is polymerized with an alpha olefin in a reaction which is starved for monomer, and cyclization takes place. The catalyst includes a N,N,N', N'-tetra-alkyl alkylene diamine in which each alkyl group contains about 1 to 8 carbon atoms and the alkylene group contains 2 to 10 carbon atoms. N,N,N',N'-tetraethylenediamine is preferred. Other components of the catalyst include metallic sodium or potassium and alkyl sodium or potassium, preferably together with an alkali metal alkoxide.

REFERENCES:
Abstract Papers, American Chemical Society, Meeting Chicago, Sept. 1958, p. 32T.

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