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ISOBUTANE-CONTAINING INDUCED CONDENSING AGENTS IN FLUIDIZED BED POLYMERIZATION REACTIONS
ISOBUTANE-CONTAINING INDUCED CONDENSING AGENTS IN FLUIDIZED BED POLYMERIZATION REACTIONS
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机译:在流化床聚合反应中含异丁烷诱导的缩合剂
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摘要
Ethylene, alpha olefins, and other olefinically unsaturated monomers may be polymerized under fluidized bed polymerization reaction conditions in the presence of a Ziegler-Natta catalyst. A recycle stream featuring an induced condensing agent (ICA) comprising isobutane may increase catalyst productivity while maintaining quality of the polymer product, particularly when the recycle stream is delivered to a reactor containing the fluidized bed under conditions suitable to form a condensed or super-condensed mode in the recycle stream. The recycle stream may comprise unreacted olefinic monomers, and isobutane or a mixture of isobutane and isopentane.
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