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  • 02월 22일 15시 이후 : 초록수정 불가능, 일정확인 및 검색만 가능

Carbocationic Alkene Polymerizations Initiated by Organotransition Metal Complexes

등록일
2008년 2월 15일 11시 26분 44초
접수번호
1419
발표코드
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발표시간
목 14시 : 00분
발표형식
심포지엄
발표분야
고분자화학 - Functional Soft Materials: Synthesis and ApplicationsⅠ
저자 및
공동저자
Michael Charles Baird
Department of Chemistry, Queen's University, Canada,
Polyolefins of significant commercial importance are generally manufactured via two quite different mechanistic processes, coordination (Ziegler-Natta) for the polymerization of e.g. ethylene and propylene, or carbocationic for the polymerization of e.g. isobutene. (For background information, see Baird, M. Polyolefins of significant commercial importance are generally manufactured via two quite different mechanistic processes, coordination (Ziegler-Natta) for the polymerization of e.g. ethylene and propylene, or carbocationic for the polymerization of e.g. isobutene. (For background information, see Baird, M. C. “Carbocationic Alkene Polymerizations Initiated by Organotransition Metal Complexes”, Chem. Rev. 2000, 100, 1471-1478). Although there have been a few reports of co-polymerization of ethylene and isobutene via a coordination polymerization mechanism, the two mechanistic processes are generally mutually incompatible. This paper will discuss recent research in our laboratory which has uncovered examples in which the chemistries of metallocene-catalyzed coordination and carbocationic processes are intrinsically intertwined in such a way that the chemistry of carbocationic processes strongly influences the nature of propylene (but not ethylene) polymerization.

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