The final recovery rate and the recovery speed are mainly related to the stability of the hard segment domains.
而形状记忆的恢复率及恢复速度则决定于硬段相区域的稳定性。
Three dimensional hydrogen bonding in hard segment domains can be formed by further bonding of the above planar hydrogen bondings.
认为这些平面氢键可以通过进一步键合来形成硬段微区中的三维氢键。
It was found that the high crystallinity of the soft segment regions and the formation of hard segment domains are the necessary conditions for polyurethanes with good shape memory behavior.
通过DSC、弯曲实验和力学实验，研究了形状记忆聚氨酯的性能，发现软段高度结晶和硬段聚集形成硬段微区是其具有较好形状记忆性能的必要条件。
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