화학공학소재연구정보센터
Journal of Applied Polymer Science, Vol.105, No.5, 2482-2487, 2007
Effect of the air-jet and the false-twist texturing processes on the stress-relaxation of polyamide 6.6 yarns
Polyamide 6.6 multifilament yarns were converted to crimped fibers by texturing to simulate the properties of natural staple fiber yarns for textile applications. Texturing is carried out by mechanical stresses (turbulences or twisting) under thermal or hydrothermal conditions which affect the fine structure of the fiber. Two polyamide yarns with the same linear density but composed of filaments of different fineness were textured by the False-Twist (thermal) and the Air-jet (hydrothermal) procedures. The influence of texturing and filament fineness on the relaxation behavior of the yarns was studied. (c) 2007 Wiley Periodicals, Inc.