Mechanism of initiation of ring-opening polymerization of norbornene catalysed by transition-metal halides

1976 ◽  
pp. 193 ◽  
Author(s):  
D. Theodore Laverty ◽  
M. Anthony McKervey ◽  
John J. Rooney ◽  
Allan Stewart
Keyword(s):  
Transition Metal ◽  
Ring Opening ◽  
Ring Opening Polymerization ◽  
Metal Halides

Article

1998 ◽  
Vol 76 (4) ◽  
pp. 371-381 ◽  
Author(s):  
Ian Manners
Keyword(s):  
Molecular Weight ◽  
Transition Metal ◽  
High Molecular Weight ◽  
Ring Opening ◽  
Ring Opening Polymerization ◽  
Metal Catalysts ◽  
Transition Metal Catalysts ◽  
Organometallic Polymer ◽  
Wide Range ◽  
Initial Discovery

Ring-opening polymerization (ROP) of strained ring-tilted metallocenophanes can be achieved thermally, via anionic or cationic initiation, or by the use of transition-metal catalysts and provides access to a wide range of high molecular weight (Mw = 105-106, Mn > 105) poly(metallocenes). These materials possess a variety of interesting properties and many are very easy to prepare. This article provides an overview of our work, giving background to and an account of the initial discovery, and discusses work on the synthesis and properties of new poly(metallocenes) and related materials with particular emphasis on recent research directions.Key words: metallocene, ring-opening polymerization, ferrocenophane, organometallic polymer.

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