昇温時におけるナイロン6タイヤコードの疲労と水素結合力変化との関係および室温時におけるナイロン6タイヤコードの疲労に関する研究

概要

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(1) Fatigue (by disk fatigue tester) in nylon 6 tire cords at elevated temperatures was measured. Infrared absorption spectra of nylon 6 films at elevated temperatures were also measured, and a change of the hydrogen-bonding force was estimated from the shift of the N-H absorption band.<BR>It was concluded from these measurements that the increase of fatigue in nylon 6 tire cords at elevated temperatures was correlated with the decrease of hydrogen-bonding force which constituted a fine structure in nylon 6.<BR>(2) Fatigue in tire cords at room temperature.<BR>a : Fatigues in nylon 6 and polyester tire cords which had been heat treated at higher temperatures were greater than those of the cords which had been heat treated at lower temperatures.<BR>b : Fatigues in nylon 6 tire cords which had lower twists were greater than those of the cords which had higher twists.
日本ゴム協会の論文