Journal
HIGH PERFORMANCE POLYMERS
Volume 25, Issue 3, Pages 254-259Publisher
SAGE PUBLICATIONS LTD
DOI: 10.1177/0954008312462730
Keywords
shape memory polymer; frozen/recovery; viscoelsticity; creep
Categories
Funding
- Natural Science Foundations of China [11272044]
- Fundamental Research Funds for the Central Universities [2011JBZ074]
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Shape memory polymers (SMPs) are a relatively new kind of smart materials with the capability of large shape memory effect. In this study, a series of shape memory epoxy composites filled with varied carbon black ( CB) contents were prepared. The shape memory effect and thermomechanical behavior of the materials were experimentally investigated. The viscoelastic properties at different temperatures were characterized by creep tests. The results show that the materials exhibit excellent shape memory effects. The CB additive has no remarkable influence on the critical shape transition temperature, but significantly improved the viscous resistance.
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