High shrinkage nylon 66 high strength yarn and its manufacturing method

摘要

The present invention relates to a method for producing a nylon 66 yarn having a relative viscosity of 3.2 to 3.6 at a level of sulfuric acid (using a 96% solution of sulfuric acid) by melt spinning, adding 15 ppm or more of copper as a heat-The present invention provides a method for producing a high shrinkage nylon 66 high strength yarn and a nylon 66 high strength yarn obtained thereby. The nylon high tenacity yarn of the present invention has high strength and high shrinkage ratio It is possible to develop it as a fabric for an air bag or a special industrial material which requires a dense fabric structure because of its extremely high strength and excellent residual ratio.