三醋酸纤维素的合成与应用研究进展

Research progress in synthesis and application of cellulose triacetate

综述了目前三醋酸纤维素的合成方法,大体上分为均相法和非均相法;阐述了每种方法的优缺点;对三醋酸纤维素在各领域的应用情况进行了详细的汇总。虽然冰醋酸法是目前工业上最常用的方法,但醋酸用量大、淡酸回收量大且后处理较麻烦。所以使用碘(及其化合物)为催化剂的无溶剂、简单、高效、高收率的三醋酸纤维素新型合成方法将具有很好的研究价值。

Current synthesis methods of cellulose triacetate are summarized,which can be roughly divided into homogeneous and heterogeneous methods. The advantages and disadvantages of each method are described,and the applications of cellulose triacetate in various fields is summarized in detail.Although the glacial acetic acid method is the most commonly used method in industry at present,it consumes large amount of acetic acid,needs to recover large amount of dilute acid and its post-treatment leaves more troublesome. Therefore,the new method using iodine( and its compounds) as catalyst exhibits advantages such as solvent free,simple,efficient and high yield,showing a good research value.