THERMOPLASTIC CELLULOSE DERIVATIVE COMPOSITION AND FIBER COMPRISING THE SAME

摘要

A thermoplastic cellulose derivative composition of the present invention contains, as a main component, a cellulose ester having an aliphatic polyester side chain having a repeat unit having 2 to 5 carbon atoms, wherein a rate of heating loss at 200 DEG C is 5 wt% or less, a melt viscosity at 200 DEG C and 1000 sec<-1> is 50 to 300 Pa.sec, and a melt tension at the time of take-up at 200 DEG C and 100 m/min is 0.1 to 40 mN. The present invention can provide excellent fiber products by melt spinning of the composition.