Antimony halide catalyst system

Details Antimony halide catalyst system Antimony halide catalyst system

1976-05-12

1977-09-13

Garvin, Patrick P.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

252442, 526221, 526281, C08F 412, C08F 420

Patent

active

040480950

ABSTRACT:
There is provided a process for cationically polymerizing or co-polymerizing batchwise or continuously .alpha.-pinene by adding .alpha.-pinene either alone or in admixture with other terpene monomers, incrementally to a catalyst system comprising an aluminum halide and an antimony halide in the presence or absence of a (lower)alkyl, alkenyl or aralkyl halide in an inert solvent while controlling the temperature of reaction in the range of -30.degree. C. to +30.degree. C., drowning the polymerization mixture in water, separating the organic phase therefrom, removing the solvent therefrom and recovering a solid polymer in good yield.

REFERENCES:
patent: 3218300 (1965-11-01), Kullmar et al.
patent: 3328372 (1967-06-01), Thomas et al.
patent: 3501416 (1970-03-01), Wald
patent: 3590025 (1971-06-01), Tittle

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