Shape memory polyurethanes based on aliphatic diisocyanate HDI were synthesized with different hard segment contents to study the shape memory effect affected by hard segment.

• 以脂肪族异氰酸酯HD I为硬段原料合成了脂肪族的形状记忆聚氨酯,通过调节硬段含量研究了硬段结构对形状记忆性能的影响。