Process for preparing cellulose derivatives

Details Process for preparing cellulose derivatives Process for preparing cellulose derivatives

1982-08-12

1983-10-18

Griffin, Ronald W.

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

Organic compounds

Carbohydrates or derivatives

536 60, 536 84, 536 91, 536 95, 536 98, 536 99, C08B 906, C08B 1102, C08B 11193

Patent

active

044106939

ABSTRACT:
Cellulose derivatives having a controlled molecular weight are prepared by adjusting oxygen concentration as measured by analyzing the quantity of oxygen in the head space of the reaction vessel to a level such that the cellulose derivative prepared therein has a desired solution viscosity. The cellulose derivative is then prepared in the reaction vessel without substantially increasing the quantity of oxygen in said reaction vessel.

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patent: 3498971 (1970-03-01), Blaga et al.
patent: 4076934 (1978-02-01), Mills
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patent: 4251503 (1981-02-01), Swindells et al.
patent: 4270925 (1981-06-01), Isa et al.
patent: 4284765 (1981-08-01), Geyer et al.
patent: 4339574 (1982-07-01), Wust et al.

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