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In this report, it is assessed the production of Polyoxymethylene (POM), also called Polyacetal Resin. The economic analysis concerns Polyoxymethylene production from acetic anhydride and formaldehyde in the United States, assuming a process similar to the one owned by Dupont. Formaldehyde is initially concentrated and then polymerized in an inert cyclohexane medium. To enhance thermal stability, hydroxyl end groups are reacted with acetic anhydride.
This report approaches the production of Polyoxymethylene (POM) from methanol and acetic anhydride in the United States. Initially, methanol undergoes partial oxidation yielding formaldehyde over a silver catalyst. Formaldehyde is then polymerized to POM in an inert cyclohexane medium. To enhance thermal stability, hydroxyl end groups are reacted with acetic anhydride.