Adamantane polymerization catalyst

Details Adamantane polymerization catalyst Adamantane polymerization catalyst

1986-02-05

1987-12-08

Garvin, Patrick P.

Catalyst, solid sorbent, or support therefor: product or process

Catalyst or precursor therefor

Organic compound containing

502169, 526185, 526206, 526221, 526237, C08F 452, C08F 414, C08F 474

Patent

active

047118660

ABSTRACT:
Isobutylene homopolymers and copolymers are prepared using a catalyst system comprising a haloadamantane component and a Lewis acid. Branched polymers are prepared using polyhaloadamantanes, the branches being attached to the adamantane at the former location of the halide. The preferred catalyst systems are diethylaluminum chloride and bromoadamantane as well as polybromo, or polychloroadamantanes.

REFERENCES:
patent: 3197420 (1965-07-01), Weissermee et al.
patent: 3361731 (1968-01-01), Furukawa et al.
patent: 3560458 (1971-02-01), Kennedy et al.
patent: 4041098 (1977-08-01), Loveless
Francis A. Carey and Richard J. Sundberg, "Advanced Organic Chemistry, Second Edition, Part A: Structure and Mechanism," Advanced Organic Chemistry, pp. 261 and 262, Plenum Press, New York, and London.
Joseph P. Kennedy and Erik G. M. Tornqvist, "Polymer Chemistry of Synthetic Elastomers-Part I," pp. 306 & 307, Interscience Publishers.
Tadeuez Diem, Joseph P. Kennedy and Richard T. Chou, "Isobutylene Polymerization in the Presence of UV Light, Organic Iodides and Zinc Iodide," Polymer Bulletin 1, pp. 281-286 (1979), Polymer Bulletin by Springer-Vering.

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