abstract |
The present invention relates to a process for polymerizing into respective polymers by contacting oxirane, oxetane, oxane, dioxolane, trioxane, and tetrahydrofuran with selected metal compounds. The invention also relates to a process for depolymerizing polytetrahydrofuran into a tetrahydrofuran monomer by contacting a selected metal compound at a temperature of about 100 ° C to about 250 ° C. |