Optimization of sugarcane bagasse cellulose acetylation

被引：117
作者：
Cerqueira, Daniel Alves [1 ]
Filho, Guimes Rodrigues [1 ]
Meireles, Carla da Silva [1 ]
机构：
[1] Instituto de Química, Universidade Federal de Uberlândia, CEP: 38400-902 Uberlandia, MG, Av. Joao Naves Avila 2121
来源：
Carbohydrate Polymers | 2007年 / 69卷 / 03期
关键词：
Acetylation; Cellulose acetate; Optimization; Sugarcane bagasse; Viscosity-average molecular weight;
D O I：
10.1016/j.carbpol.2007.01.010
中图分类号：
学科分类号：
摘要：
In this work we performed an optimization process of the acetylation reaction of sugarcane bagasse cellulose. The optimization was carried out varying acetic acid, acetic anhydride and catalyst volume, as well as reaction and activation times. Intrinsic viscosity was used as parameter for determining the quality of the produced material. Cellulose acetate viscosity-average molecular weight increased from 5.5 × 103 to 55.5 × 103 g mol-1. © 2007 Elsevier Ltd. All rights reserved.
引用
收藏
页码：579 / 582
页数：3
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