硬链段。一些嵌段共聚物中存在着不同的分子链段，有的分子链段由芳香烃组成，刚性较大，称为硬链段；有的分子链段由脂肪烃组成，柔性较大，称为软段(软链段soft segment；soft block)。
硬段微区 hard segment domains
ET硬段 ET hard segments
模型硬段 Model hard segment
硬链段 rigid Segment
软硬段结构 Soft hard segment structure
硬段模型化合物 Model hard segment compound
不用强硬的手段 soft
硬盘数据分段 Disk Striping
分段式硬件 [计] segmentation hardware
胸段硬膜外阻滞 TEB ; thoracic epidural anesthesia ; thoracic epidural block ; TEA
96-98% shape recovery could be obtained for the HB-SMPU with 15-35 wt. % of hard segment.
硬段含量处于15-35 wt．％时，HB-SMPU的形状回复可达到96-98％。
参考来源 - 超支化聚氨酯储能和形状记忆材料的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
讨论了共聚物性能同硬段含量的关系。
The relationship between their properties and content of hard segment were discussed.
硬段分布对该聚氨酯体系的相容性及阻尼性能有较大影响。
The factors increasing the interaction between hard and soft segments can improve the compatibility of polyurethane.
丙烯酸改性与乳化同时进行时，其聚合物链结构中软、硬段分布均匀；
Soft and hard segments in polymer chains were well-distributed when acrylate modification and emulsification performed at the same time.
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