Abstract
AbstractThe polymerization of ethylene carbonate using different metal alkoxides results in poly(oxy‐ethylene‐alt‐ethylene carbonate). Polymers containing low amounts of CO2 or pure poly(oxy‐ethylene) are formed with anionic and cationic initiators. Poly(ethylene carbonate) is not accessible from ethylene carbonate by variation of temperatures and concentration. The reason is not the low ceiling temperature, but the positive enthalpy of polymerization. A ΔHp‐value of 125,6 kJ/mol was obtained from calorimetric investigations.
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