Patent ID: 6627311
Filing Date: 2003-09-30
Classification: D01D,D01F,Y10T

Abstract:
Polyester tape yarn that is formed through uniaxial orientation of polyester having the ultimate viscosity of 0.7 or more, and is 1.0 cN/dt or more in tensile strength, 0.8 cN/dt or more in Knot strength represented by the below-mentioned formula (1), 1.8 cN/dt or more in Loop strength represented by the below-mentioned formula (2), and 0.5 mm or more in yarn width.Knot strength: Knot strength(cN/dt)=node strength(N)Ã—100/fineness(dt)â€ƒâ€ƒFormula (1) Loop strength: Loop strength(cN/dt)scratch strength(N)Ã—100/fineness(dt)â€ƒâ€ƒFormula (2)