Cut-resistant polyethylene yarn

Abstract

Provided is a cut-resistant polyethylene yarn, and more particularly, a cut-resistant polyethylene yarn which allows manufacture of a product having both excellent cut resistance and excellent wear resistance.

1 . A polyethylene yarn having the following properties:
 in a graph of a storage modulus (G′) according to an angular frequency (ω), the storage modulus of 10 Pa to 100 Pa at the angular frequency of 0.1 rad/s, and the storage modulus of 100 Pa to 1000 Pa at the angular frequency is 1 rad/s, and   in a graph of tan δ according to the angular frequency (ω), tan δ of 9 or more at the angular frequency of 0.1 rad/s.   
     
     
         2 . The polyethylene yarn of  claim 1 , wherein
 the polyethylene yarn has, in a graph of a loss modulus (G″) according to an angular frequency (ω),   the loss modulus (G″) of 100 Pa to 700 Pa at the angular frequency of 0.1 rad/s, and shows a point at which the loss modulus is 1000 Pa in a section of the angular frequency of 0.25 to 0.5 rad/s.   
     
     
         3 . The polyethylene yarn of  claim 1 , wherein
 the polyethylene yarn has, in a graph of a complex viscosity (η*) according to an angular frequency (ω), the complex viscosity of 3000 Pa·s to 6000 Pa·s at the angular frequency of 0.1 rad/s, and an average gradient of −1000 to −300 in a section of the angular frequency of 0.1 rad/s to 1 rad/s.   
     
     
         4 . The polyethylene yarn of  claim 1 , wherein
 the polyethylene yarn has a fineness of 1 to 3 denier per filament (DPF).   
     
     
         5 . The polyethylene yarn of  claim 1 , wherein
 the polyethylene yarn has, in a graph of a phase angle according to a multiple shear modulus (G*), the phase angle of 75 to 90° at the multiple shear modulus (G*) of 350 to 1,000 Pa.   
     
     
         6 . The polyethylene yarn of  claim 1 , wherein
 the polyethylene yarn has the number of fluff occurrences of 20 EA/50,000 m or less.   
     
     
         7 . A cut-resistant fabric comprising the cut-resistant polyethylene yarn of  claim 1 . 
     
     
         8 . The cut-resistant fabric of  claim 7 , wherein
 the fabric has a cut resistance of 5.5 N or more as measured according to a specification of ISO13997:1999.   
     
     
         9 . A protective product comprising the cut-resistant fabric of  claim 7 . 
     
     
         10 . The protective product of  claim 9 , wherein the protective product is a cut-resistant glove.