New catalysts for the polymerization of cyclic olefins
作者： Brian L. Goodall , Lester H. McIntosh , Larry F. Rhodes
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摘要: Various routes to high Tg thermoplastic materials based on the Ziegler‐Natta catalyzed polymerization of norbornene‐type monomers are described. These routes involve both ring‐opening metathesis polymerization (ROMP) and addition polymerization. New catalysts, and a new catalytically‐active metal (cobalt), for both ROMP and the addition homopolymerization of norbornene‐type monomers are reported.
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