PREPARATION AND CHARACTERIZATION OF OIL ABSORBENTS FROM SUGARCANE BAGASSE CELLULOSE. PARTI. INVESTIGATION OF SOME ACETYLATION REACTION CONDITIONS OF SUGARCANE BAGASSE CELLULOSE WITH ACETIC ANHYDRIDE

Abstract

Some of the acetylation reaction conditions of sugarcane bagasse cellulose with aceticanhydride in the presence of N-bromosuccinimide (NBS) as the catalyst have been investigated.The results showed that different cellulose acetates having the acetylation degrees from 0.18 to2.92 could be successfully prepared under the following reaction conditions: reactiontemperatures from 110°C - 120°C; reaction time of about 6 - 7 h and the NBS concentrationsranging from 1.25 g to 1.50g per 100 ml of acetic anhydride