FIELD: polymerization processes and catalysts.
SUBSTANCE: invention discloses catalyst for obtaining high-molecular weight isoolefin copolymers with small content of gel, which catalyst contains metal halide, in particular, zirconium halide and/or hafnium halide, and, additionally, organic acid halide, wherein molar ratio of said organic acid halide to zirconium and/or hafnium ranges from 0.5 to 50.
EFFECT: simplified technology.
2 cl, 3 ex
| Title | Year | Author | Number |
|---|---|---|---|
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