Process for preparing cellulose derivatives

Details Process for preparing cellulose derivatives Process for preparing cellulose derivatives

C - Chemistry, Metallurgy

08

B

260/213

C08B 11/00 (2006.01) C08B 9/06 (2006.01) C08B 11/02 (2006.01) C08B 11/193 (2006.01) C08B 15/00 (2006.01)

Patent

CA 1196627

ABSTRACT OF THE DISCLOSURE 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 cellu- lose derivative is then prepared in the reaction vessel without substantially increasing the quantity of oxygen in said reaction vessel. The cellulose derivatives of the invention have predictable solution viscosities.

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