Process for the preparation of random copolymers of mono-olefins

Details Process for the preparation of random copolymers of mono-olefins Process for the preparation of random copolymers of mono-olefins

1974-04-11

1976-02-17

Levin, Stanford M.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 336UA, 260 4229, 428461, 428462, C08F21000, C08F 406, C08F 442

Patent

active

039391329

ABSTRACT:
A process is described for the preparation of substantially linear, amorphous random copolymers of mono-olefins or mono-olefins and unconjugated dienes with unsaturated nitrogen derivatives selected from N-vinylimidazoles and N-vinylimidazolines and compounds derived from them by substitution, for the hydrogen atoms fixed to the carbons in the heterocycle, of hydrocarbon or aminohydrocarbon radicals.
At least two mono-olefins containing 2 to 20 carbon atoms, and possibly an unconjugated diene, are placed in contact, in an inert liquid medium at a temperature of between -80.degree. and +150.degree.C, with at least one of these nitrogen derivatives in the form of a complex with a Lewis acid, in the presence of a co-ordination catalyst system.
The resulting copolymers can be vulcanized, and among other properties have excellent adherence to metal surfaces.

REFERENCES:
patent: 3821172 (1971-06-01), Sugiura et al.

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