Patent ID: 9546446
Date: 2017-01-17
CPC Classifications: A41D,D01D,D01F,D03D,D06M,D06P,Y10T

Claim:
1. A polyethylene fiber comprising a polyethylene, wherein the polyethylene has an intrinsic viscosity [η] of greater than or equal to 0.8 dL/g, and less than 5 dL/g, and substantially contains ethylene as a repeating unit, the polyethylene fiber comprises pores formed inside of the fiber, the average diameter of the pores is in the range of from 3 nm to 200 nm when the diameter is measured, by each pore being approximated by a column, at a contact angle of 140 degrees, in a mercury intrusion method, the porosity of the fiber is in the range of from 1.5% to 15%, and the polyethylene fiber has a tensile strength greater than or equal to 8 cN/dtex.