Equilibrium ring‐opening polymerization theory has been extended to cycloolefin polymerizations. Previous work had established the reversible nature of the olefin metathesis reaction, the basic process whereby cycloolefins undergo ring‐opening. The present work confirms the reversible character of cycloolefin polymerization for the cases of cyclopentene and bicyclo[4.3.0]nona‐3.7‐diene polymerization. Equilibrium conversion data for cyclopentene polymerizations have provided estimates of the enthalpy (−4.4 kcal/mole) and entropy (−14.9 cal/mole·deg) of polymerization. In addition, some factors governing the polymerizability of mono‐ and multicyclic monomers are discussed.
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Ofstead et al. (1972) studied this question.
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