Polymerization of tetrahydrofuran using trifluoromethane sulfonic acid monohydrate as catalyst

摘要

A process for forming polytetramethylene ether glycol having a number average molecular weight of 600 to 2,200 by contacting tetrahydrofuran with 5 to 50 wt %, based on tetrahydrofuran, trifluoromethane sulfonic acid monohydrate and water at 20° to 75° C. is disclosed.