PCL/TSPMLC共混纤维的性能研究

Study on the capability of the fibers of PCL/TSPMLC

将聚己内酯 (PCL)和轻度交联木薯淀粉磷酸单酯 (TapiocaStarchPhosphateMonoester—withLightlyCross linking—TSPMLC)按照不同的配比进行了共混熔融纺丝,测定了纤维的力学性能,利用声速取向及DSC探讨了不同拉伸倍数对纤维结晶结构的影响。发现纤维的取向度随着拉伸倍数的增大而提高,针对共混纤维拉伸后的声速值有很大提高的现象,利用声速法测试原理作出定性解释。随着纤维样品拉伸倍数的增大,纤维的结晶度有了一定程度的提高,纤维的强度也有明显的提高。

This article deals with the blend melt spinning of the system of PCL/TSPMLC. It was measured of the mechanics properties of the fibers. In addition, crystal frame of the fibers of different drawing ratios was analyzed by DSC and sound velocity test. With the increase of drawing ratios the degrees of orientation increase ,especially for the blend fibers. After drawing,the degree of crystallization of the fibers increases to some extent. The tensile strength of PCL/TSPMLC blend fibers increases with the increasing of drawing ratios .