THERMOMECHANICAL PROPERTY OF EPOXY SHAPE MEMORY POLYMERS

被引：8
|
作者：
Wu, Xuelian [1 ]
Zheng, Hui [2 ]
Liu, Yanju [3 ]
Leng, Jinsong [1 ]
机构：
[1] Harbin Inst Technol, Ctr Composite Mat & Struct, Harbin 150006, Peoples R China
[2] Heilongjiang Acad Sci, Phys Tech Inst, Harbin, Peoples R China
[3] Harbin Inst Technol, Dept Aerosp Sci & Mech, Harbin 150006, Peoples R China
来源：
INTERNATIONAL JOURNAL OF MODERN PHYSICS B | 2010年 / 24卷 / 15-16期
关键词：
Mechanical properties; shape memory polymer;
D O I：
10.1142/S0217979210064976
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Epoxy shape memory polymers (SMPs) were preparation and their mechanical properties are focused on. Full shape recovery is observed at 150 degrees C for each polymer, and the SMP with lower hardener content shows a quicker shape recovery speed. In addition to a good thermal stability, glass transition temperature of the polymers increases with increasing hardener content. Of particular attention of DMA test is that the epoxy SMPs show a high storage modulus not only in glass state but also in rubber state. The tension test indicates that both stress at break and corresponding elastic modulus vary with a peak value for the polymers.
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页码：2386 / 2391
页数：6
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