Process for producing mixed cellulose ether

Details Process for producing mixed cellulose ether Process for producing mixed cellulose ether

1994-06-01

1995-10-31

Nutter, Nathan M.

Organic compounds -- part of the class 532-570 series

Organic compounds

Carbohydrates or derivatives

536 91, 536 95, 536 96, C08B 11193, C08B 1120

Patent

active

054630371

ABSTRACT:
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.

REFERENCES:
patent: 4013821 (1977-03-01), Engelskirchen et al.
patent: 4096326 (1978-06-01), Reid
patent: 4523010 (1985-06-01), Lukach et al.
patent: 4579942 (1986-04-01), Brode
patent: 4579943 (1986-04-01), Kamide et al.
patent: 4650863 (1987-03-01), Felcht et al.

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