High tensile nylon 6.6 yarn
A nylon 6.6 yarn suitable for a tire cord reinforcement for pneumatic tires includes higher than 12.0 g/dtex Tensile Reinforcement Index (TRI) and tenacity between 9.3 g/dtex-10.5 g/dtex, where the TRI is defined as: TRI (g/dtex)=Tenacity (g/dtex)+Stress at 7% Elongation. The nylon 6.6 yarn is suitable for using as tire cord reinforcement in pneumatic tires.
1 . A nylon 6.6 yarn for a tire cord reinforcement for pneumatic tires comprising a Tensile Reinforcement Index (TRI) and a tenacity, wherein the TRI is defined as below:
TRI (g/dtex)=Tenacity (g/dtex)+Stress at 7% Elongation;
wherein the TRI is higher than 12.0 g/dtex and lower than 13.5 g/dtex, wherein the tenacity is between 9.3 g/dtex-10.5 g/dtex, and wherein the elongation at break is 18.8% when measured at 24° C.±1° C. and 55% Relative Humidity (RH)±2%.
2 . The nylon 6.6 yarn according to claim 1 , wherein the nylon 6.6 yarn has a minimum linear density of 200 dtex and a maximum linear density of 3000 dtex.
3 . The nylon 6.6 yarn according to claim 1 , wherein the nylon 6.6 yarn is used as the tire cord reinforcement for the pneumatic tires.
4 . The nylon 6.6 yarn according to claim 1 , wherein the density is 1400 dtex.
5 . The nylon 6.6 yarn according to claim 1 , wherein a load at 7% elongation is 3.82 kgf.
6 . The nylon 6.6 yarn according to claim 2 , wherein the nylon 6.6 yarn is used as the tire cord reinforcement for the pneumatic tires.
7 . The nylon 6.6 yarn according to claim 4 , wherein the nylon 6.6 yarn is used as the tire cord reinforcement for the pneumatic tires.