The energy of activation of bimolecular cyclopolymerization was found to be 3.7 kcal/mole higher than that of monomolecular reaction.

• 本文还求得双分子环化反应活化能(E_(1c))较单分子环化反应活化能(E_c)高约3.；7千卡/克分子；因而对为什么聚合温度升高时聚合体环化率也将升高作出解释。