Method, dispersing agent and initiator for the dispersion polyme

Details Method, dispersing agent and initiator for the dispersion polyme Method, dispersing agent and initiator for the dispersion polyme

1996-03-26

1998-03-31

Dean, Ralph M.

Refrigeration

525106, 526139, 526194, 5263487, C08C 77442

Patent

active

057339988

ABSTRACT:
The dispersion polymerization of isobutylene includes a dispersing agent. The dispersing agent is a compound having a CO.sub.2 -phobic moiety and at least one CO.sub.2 -philic moiety. The CO.sub.2 -phobic moiety is polysibutylene-philic. Novel polymerization initiators are organometallic.

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"Cationic Polymerizations in Liquid and Supercritical Carbon Dioxide" by Clark et al., Polym. Prep. 37, pp. 365-366, (1996).

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