The structure and chemical constitution, and the influ-ence of beating degree, pH value and alum on their electrokinetic characteristics were discussed in detail.

• 本文从纤维和细小纤维的结构和化学组成入手,主要论述了纤维和细小纤维的湿部化学特性,并重点探讨了打浆度、H值和铝盐对纤维素纤维动电特性的影响。