Daicel Chemical Industries, Ltd.

Yonosuke Kato

Atsunobu Kiyose

A process for producing a mixed cellulose ether comprising reacting a starting cellulose ether with an etherifying agent is disclosed, wherein said starting cellulose ether comprises at least 18 mol % of a 6-substituted glucose unit and at least 15 mol % of an unsubstituted glucose unit. A high utilization of the etherfifying agent can be reached. The resulting mixed cellulose ether has a high solubility in water and an aqueous solution of the resulting mixed cellulose ether has excellent properties such as flow properties and clarity.

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Singapore, Singapore

Yonosuke Kato