Process for working up water-soluble cellulose derivatives havin

Details Process for working up water-soluble cellulose derivatives havin Process for working up water-soluble cellulose derivatives havin

1987-08-17

1991-05-07

Nutter, Nathan M.

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

Organic compounds

Carbohydrates or derivatives

536 91, 536 95, 536 96, 536 97, 536 98, 536 99, C08B 11193, C08B 1108, C08B 1112, C08B 1102

Patent

active

050138324

ABSTRACT:
A process for working up water-soluble cellulose derivatives, more especially with flocculation points above 85.degree. C., after removal by condensation of readily volatile constituents of the crude product mixture resulting from an etherification reaction, by suspension of the crude product in hot water and subsequent separation of the suspension and washing liquids, wherein the separation of the suspension and washing liquids is carried out at elevated temperature and under pressure applied to the separator as a whole.

REFERENCES:
patent: 3769247 (1972-04-01), Glomski et al.

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