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 excellent cut resistance and providing excellent wearability.

1 . A cut-resistant polyethylene yarn having the following properties:
 in a graph of a storage modulus (G′) according to an angular frequency (ω), the storage modulus of 50 Pa to 500 Pa at the angular frequency of 0.1 rad/s, and the storage modulus of 1000 Pa to 2000 Pa at the angular frequency is 1 rad/s, and   in a graph of tan δ according to the angular frequency (ω), an average gradient of −0.25 to 0.8 in a section of the angular frequency of 0.2 rad/s 5 rad/s.   
     
     
         2 . The cut-resistant polyethylene yarn of  claim 1 , wherein
 the polyethylene yarn has, in the graph of tan δ according to the angular frequency (ω), an inflection point at the angular frequency of 0.3 rad/s to 0.8 rad/s.   
     
     
         3 . The cut-resistant polyethylene yarn of  claim 2 , wherein
 the polyethylene yarn has, in the graph of tan δ according to the angular frequency (ω), tan δ of 1.5 to 7 at the angular frequency of 0.1 rad/s.   
     
     
         4 . The cut-resistant polyethylene yarn of  claim 2 , wherein
 the polyethylene yarn shows, in the graph of tan δ according to the angular frequency (ω), a local minimum value in a section of the angular frequency of 0.1 rad/s to 0.5 rad/s, and   the angular frequency at a tan δ value of 0.8 to 1.2 is 100 rad/s to 300 rad/s.   
     
     
         5 . The cut-resistant 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 of 400 Pa to 1000 Pa at the angular frequency of 0.1 rad/s.   
     
     
         6 . The cut-resistant 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 4500 Pa·s to 8000 Pa·s at the angular frequency of 0.1 rad/s, and a gradient of −2000 to −3000 in a section of the angular frequency of 0.1 rad/s to 1 rad/s.   
     
     
         7 . The cut-resistant polyethylene yarn of  claim 6 , wherein
 the polyethylene yarn has, in a graph of a phase angle according to a multiple shear modulus (G*), the phase angle of 60 to 80° at the multiple shear modulus (G*) of 350 to 1,000 Pa.   
     
     
         8 . A cut-resistant fabric comprising the cut-resistant polyethylene yarn of  claim 1 . 
     
     
         9 . The cut-resistant fabric of  claim 8 , wherein
 the cut-resistant fabric has a cutting Force of 5.5 N or more as measured according to a specification of ISO13997:1999.   
     
     
         10 . A protective product comprising the cut-resistant fabric of  claim 8 . 
     
     
         11 . The protective product of  claim 10 , wherein the protective product is a cut-resistant glove.