Resultant of cellulose acetate tow and fashion of expression for celluloseacetate are acetylated is briefly introduced; set forward determined identifi-cation for 2/3 cellulose acetate tow.

• 简述了醋酸纤维素中乙酰化程度的表达方式,提出了二/三醋酸纤维的定性鉴别方法。