Method for controlled radiation polymerization of olefinic monom

Chemistry: electrical and wave energy – Processes and products – Processes of treating materials by wave energy

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252431R, 252461, 2604293, 2604295, 260439R, 526 96, 526112, 526117, 526123, 526130, 526131, 526154, 526169, 526332, 526339, 5263486, C08D 100, C08F 116

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040691241

ABSTRACT:
Method for the cationic polymerization of at least one olefinic monomer and more particularly the homopolymerization of a mono-olefinic monomer such as isobutylene and the copolymerization thereof with a di-olefinic monomer (diene) such as butadiene and optionally another mono-olefinic monomer in the presence of, as initiator of a halide of tetravalent vanadium, titanium and zirconium, an activator and under the influence of visible ultraviolet or infra-red light.

REFERENCES:
patent: 2899414 (1959-08-01), Mertes
patent: 2903404 (1959-09-01), Oita et al.
patent: 2924561 (1960-02-01), Schmerling
patent: 3462403 (1969-08-01), Pendleton
patent: 3639661 (1972-02-01), Marek et al.
patent: 3897322 (1975-07-01), Marek et al.
patent: 4025402 (1977-05-01), Marek et al.

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