通过动态力学性能分析,对尼龙1212的松弛与转变进行了研究,确定了尼龙1212的松弛转变峰.65 ℃的松弛峰为尼龙1212的α松弛峰;-35 ℃出现的松弛峰为尼龙1212的β转变峰,-116 ℃出现的松弛峰是尼龙1212的γ转变峰.在不同的实验条件下,随着退火温度的升高,尼龙1212的α转变峰的峰高升高,而β转变峰的峰高降低;随测试频率的提高,尼龙1212的α转变峰、β转变峰和γ转变峰向高温移动.
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