Elastic fiber, elastic fiber covered yarn and reeling manufacturing methods thereof

Abstract

The present disclosure relates to an elastic fiber, an elastic fiber covered yarn and reeling manufacturing methods thereof The reeling manufacturing method of an elastic fiber includes: providing an elastic fiber material, the elastic fiber material having a core portion and a skin portion, the skin portion covering the core portion; performing a first extending, to have the elastic fiber material passing a first guiding roller, the speed of the first guiding roller being 500-1500 m/min; performing a second extending, to have the elastic fiber material passing a second guiding roller, the speed of the second guiding roller being 1200-2400 m/min; and performing a third extending, to have the elastic fiber material passing a third guiding roller, the speed of the third guiding roller is 1300-2600 m/min.

What is claimed is: 
     
         1 . A reeling manufacturing method of an elastic fiber, comprising:
 providing an elastic fiber material, the elastic fiber material having a core portion and a skin portion, the skin portion covering the core portion;   performing a first extending, to have the elastic fiber material passing a first guiding roller, the speed of the first guiding roller being 500-1500 m/min;   performing a second extending, to have the elastic fiber material passing a second guiding roller, the speed of the second guiding roller being 1200-2400 m/min; and   performing a third extending, to have the elastic fiber material passing a third guiding roller, the speed of the third guiding roller is 1300-2600 m/min.   
     
     
         2 . The reeling manufacturing method of  claim 1 , wherein the speed of the first guiding roller is 550-1300 m/min, the speed of the second guiding roller is 1300-2000 m/min, the speed of the third guiding roller is 1350-2500 m/min. 
     
     
         3 . The reeling manufacturing method of  claim 1 , wherein further includes a winding step, to have the elastic fiber material passing a winding roller for winding, the speed of the winding roller being 1250-2250 m/min. 
     
     
         4 . The reeling manufacturing method of  claim 1 , wherein the reeling temperature of the elastic fiber material may be 160-240° C. 
     
     
         5 . The reeling manufacturing method of  claim 1 , wherein the temperature of the first guiding roller is 10-75° C., the temperature of the second guiding roller is 10-75° C., the temperature of the third guiding roller is 10-75° C. 
     
     
         6 . An elastic fiber, manufactured according to the reeling manufacturing method of  claim 1 , comprising:
 a core portion; and   a skin portion, covering the core portion;   wherein linear density of the elastic fiber is 50-300 denier, and elongation at break is 200-400%.   
     
     
         7 . The elastic fiber of  claim 6 , wherein the elongation at break is 250%-350%. 
     
     
         8 . The elastic fiber of  claim 6 , wherein after the elastic fiber is stretched by 30-250%, the deformation rate is 0-30%. 
     
     
         9 . A reeling manufacturing method of an elastic fiber covered yarn, comprising:
 providing an elastic fiber covered yarn material, the elastic fiber covered yarn material having an elastic fiber and a plurality of peripheral fibers, the plurality of peripheral fibers surrounding the elastic fiber;   performing a first extending, to have the elastic fiber covered yarn material passing a first guiding roller, the speed of the first guiding roller being 2000-4500 m/min; and   performing a second extending, to have the elastic fiber covered yarn material passing a second guiding roller, the speed of the second guiding roller being 2500-4500 m/min.   
     
     
         10 . The reeling manufacturing method of  claim 9 , wherein the speed of the first guiding roller is 2500-4500 m/min, the speed of the second guiding roller is 3000-4000 m/min. 
     
     
         11 . The reeling manufacturing method of  claim 9 , wherein further comprising a winding step, to have the elastic fiber material passing a winding roller for winding, the speed of the winding roller is 2500-5000 m/min. 
     
     
         12 . The reeling manufacturing method of  claim 9 , wherein the reeling temperature of the elastic fiber covered yarn material is 240-320° C. 
     
     
         13 . The reeling manufacturing method of  claim 9 , wherein the temperature of the first guiding roller is 10-75° C., and the temperature of the second guiding roller is 10-75° C. 
     
     
         14 . The reeling manufacturing method of  claim 9 , wherein
 routine material of the plurality of peripheral fibers comprises polyethylene terephthalate, polybutylene terephthalate, nylon 6 or nylon 66   
     
     
         15 . The reeling manufacturing method of  claim 14 , wherein material of the plurality of peripheral fibers further comprises a recycled material. 
     
     
         16 . The reeling manufacturing method of  claim 15 , wherein the routine material and the recycled material of the plurality of peripheral fibers are mixed at a weight ratio of 55%:45% to 100%:0%. 
     
     
         17 . The manufacturing method of  claim 9 , wherein manner in which the plurality of peripheral fibers surround the elastic fiber comprises a Single Covered Yam (SCY), a Double Covered Yarn (DCY), an Air-Jet Covered Yarn (ACY) or an Air textured Yarn (ATY).