A PROCESS FOR THE PREPARATION OF AROMATIC-ALIPHATIC POLYAMIDE MIXING FIBER

摘要

Preparing method of aromatic-aliphatic polyamide blended fiber which features simple process by using single phase liquid crystalline dope as a spinning solution, and imparting products excellent properties comprises; blending the aromatic polyamide prepolymer 90-97 wt.% with intrinsic viscosity 2.0-3.0, expressed in formular (I) [n is integer of 20-40 and aliphatic polyamide polymerized solution 3-10 wt.% with intrinsic viscosity above 0.7, expressed in formular (II) [m is integer of 500-10000 , to make a single phase liquid crystalline dope, spinning them into the coagulation bath of tertiary amine using wet spinning method, winding, washing, drying and heat-treating.