羧甲基纤维素制备方法及其生产工艺研究进展

摘要

The major technical parameters of carboxymethylcellulose(CMC)for different purposes were introduced.Based on the mechanism of the carboxymethylation reaction,the conventional preparation methods for CMC were generalized,and recent research progresses in the technologies for preparing CMC were reviewed.The effects of the different types and compositions of the reaction media on the product quality,the solution process,the innovation of raw materials,the improvement of the solvent process,and the combination of the carboxymethylation with other preparation technologies were summarized.The development trends of the production technology for CMC were also proposed.%介绍了羧甲基纤维素(CMC)的关键技术指标,并从羧甲基化反应机理出发,在回顾传统制备方法的基础上,综述了近年来国内外关于纤维素羧甲基化反应和工艺的研究进展,重点评述了对体系反应介质的种类和组成、溶液法、新原料、溶媒法工艺的改进、羧甲基化工艺与其他产品生产工艺的耦合等问题,并对其发展前景进行了展望.