DLA Piper Rudnick Gray Cary US LLP
Thermoplastic cellulose derivative composition and fiber comprising the same
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° C. is 5 wt % or less, a melt viscosity at 200° C. and 1000 sec−1 is 50 to 300 Pa·sec, and a melt tension at the time of take-up at 200° 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.
Toray Industries, Inc.
C D C
C08K D01F C08B
inventional inventional inventional
Yuuhei Yoshitaka Misa Mariko Hiroyuki Hiroshi Yoshiyuki
Maeda Aranishi Ozaki Yoshioka Yamada Takahashi Nishio