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US 6,147,265 AGranted
Process for producing alkylene glycol
AssigneeMitsubishi Chemical Corporation
InventorsTomoatsu Iwakura, Hidekazu Miyagi
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Abstract
A process for producing an alkylene glycol which comprises a step of reacting an alkylene oxide with water in the presence of a catalyst, wherein the catalyst comprises an anion-exchange resin comprising: a polymer of a vinylaromatic compound as a substrate; and quaternary ammoniums group each bonded to the respective aromatic groups of the polymer substrate via a connecting group having a chain length of three or more atoms.
Claims12
A process for producing an alkylene glycol which comprises a step of reacting an alkylene oxide with water in the presence of a catalyst,
- wherein said catalyst comprises an anion-exchange resin comprising:
- a polymer of a vinylaromatic compound as a substrate;
- and
- quaternary ammonium groups each bonded to the respective aromatic groups of said polymer substrate via a connecting group having a chain length of three or more atoms.
1 more element
Dependencies are inferred from the claim text.