| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a catalyst that is easy to synthesize, has no metal component, leaves no odor in the product, and includes a salt of a phosphazenium cation and an anion of an active hydrogen compound, a method for producing the same, and an economical and efficient method for producing a polyalkylene oxide using the same. <P>SOLUTION: The salt of the phosphazenium cation having a specific chemical structure and the anion of the active hydrogen compound is used as the polyalkylene glycol producing catalyst. <P>COPYRIGHT: (C)2010,JPO&INPIT</p> |
