| 摘要 |
PURPOSE: Aramid tire cord is provided to improve shape stability of a tire and shape stability at high temperature conditions, and to offer good durability and driving safety. CONSTITUTION: Aramid tire cord includes aramid filament. The work loss rate represented by a calculus 1 is 30% or less in 120°C. The work loss rate(%) = work loss / loading energy × 100. The work loss rate is represented by a calculus 2. The weighting energy is an energy value of the repeated experiments with the load of 10% based on the shear strength of the aramid tire cord. The unloading energy is the energy value after removing the load of the aramid tire cord.
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