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Digitale Medien

Catalysis of ring-opening and vinyl polymerizations by dicobaltoctacarbonyl (1992)

Crivello, James V. ; Fan, Mingxin

Bognor Regis [u.a.] : Wiley-Blackwell

Journal of Polymer Science Part A: Polymer Chemistry 30 (1992), S. 31-39

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Details

ISSN: 0887-624X

Schlagwort(e): ring-opening polymerization ; epoxide polymerization ; cationic polymerization ; transition metal initiators ; cobalt initiators ; dicobaltoctacarbonyl ; Chemistry ; Polymer and Materials Science

Quelle: Wiley InterScience Backfile Collection 1832-2000

Thema: Chemie und Pharmazie

Notizen: In the presence of Si—H containing cocatalysts, dicobaltoctacarbonyl has been found to very efficiently catalyze the ring-opening polymerization of cyclic ethers, especially epoxides, as well as certain vinyl monomers. The reaction conditions employed are very similar to those used in Co2(CO)8 catalyzed hydrogenation and hydrosilylation reactions. Detailed investigations have been carried out to elucidate the nature of the active species for this catalytic system. A cationic mechanism is proposed based on the experimental results of those investigations.

Zusätzliches Material: 1 Ill.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1002/pola.1992.080300104

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