Addition polymerisation vs ROMP on cyclic and strained olefins with the Mo(CO)(5)PPh(3)/alkylaluminums catalysts

 
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1997 (EN)
Addition polymerisation vs ROMP on cyclic and strained olefins with the Mo(CO)(5)PPh(3)/alkylaluminums catalysts (EN)

Bokaris, E. P. (EN)

Πανεπιστήμιο Ιωαννίνων. Σχολή Θετικών Επιστημών. Τμήμα Χημείας (EL)
Bokaris, E. P. (EN)

The polymerisation of cyclic and strained monomers such as bicyclo[2.2.1)hept-2-ene (norbornene, NBE) and bicyclo[2.2.1]hepta-2,5-diene (norbornadiene, NBDE) with the catalytic systems Mo(CO)(5)PPh(3)/alkylaluminums was studied. From the polymers produced we demonstrate the existence of an antagonism between the ROMP (Ring-Opening-Metathesis-Polymerisation) mecanism and the olefin addition polymerisation mecanism. In addition ROMP mecanism is affected by the solvent. These catalysts also promotes the isomerisation of double bonds, as indicated by the ESR signal observed for the conjugated crosslinked polyNBDE produced by ROMP. (EN)

polymerization (EN)

Πανεπιστήμιο Ιωαννίνων (EL)
University of Ioannina (EN)

Polymer Bulletin (EN)

English

1997

<Go to ISI>://A1997WE94200006

Springer-Verlag (EN)



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