Qualitative separation of the effect of the solubility parameter on the recovery behavior of shape-memory polymer

For the thermal response of shape-memory polymer (SMP) it has been experimentally demonstrated that the actuation can be achieved using interactive solvent. In this paper, the effect of the solubility parameter of the interactive solvent on the shape recovery behavior and glass transition temperatur...

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Bibliographic Details
Published in:Smart materials and structures 2009-08, Vol.18 (8), p.085003-085003 (5)
Main Authors: Lu, Haibao, Liu, Yanju, Leng, Jinsong, Du, Shanyi
Format: Article
Language:English
Subjects:
Applied sciences
Exact sciences and technology
Mechanical properties
Physical properties
Polymer industry, paints, wood
Properties and testing
Technology of polymers
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Summary:For the thermal response of shape-memory polymer (SMP) it has been experimentally demonstrated that the actuation can be achieved using interactive solvent. In this paper, the effect of the solubility parameter of the interactive solvent on the shape recovery behavior and glass transition temperature of polystyrene SMP was investigated experimentally. The effect of the solubility parameter on the activation energy was separated and qualitatively identified, as expected from the relaxation theory and Eyring equation. This approach should be applicable to other SMPs and their composites and many extension applications and achievements could be based on this outcome.
ISSN:0964-1726
1361-665X
DOI:10.1088/0964-1726/18/8/085003