赵培仲,王源升,朱金华,花兴艳,文庆珍

• 1:海军工程大学理学院化学与材料系
• 2:海军工程大学训练部
• 3:海军工程大学理学院化学与材料系
• 4:海军工程大学理学院化学与材料系

摘要(Abstract)：

对均匀温度场中制得的聚氨酯脲弹性体在梯度温度场中进行梯度热处理,控制不同的温度梯度和处理时间,得到一系列试样。用傅立叶变换红外光谱(FTIR)对试样进行表征,结果表明,梯度热处理试样的结构呈现梯度变化的趋势。在试样内部从高温到低温端微相分离程度逐渐降低。并且热处理的温度梯度越大或时间越长,相分离的梯度也越大。拉伸测试表明,热处理提高了试样的拉伸强度,断裂伸长率却有所下降。

关键词(KeyWords)： 聚氨酯;热处理;红外光谱(FTIR);功能梯度材料;微相分离;温度梯度

Abstract:

Keywords:

基金项目(Foundation):

作者(Author): 赵培仲,王源升,朱金华,花兴艳,文庆珍

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