Lorenzo Esteban, Vicente and Diaz Lantada, Andres and Lafont Morgado, Pilar and Lorenzo Yustos, Héctor and Fonseca Valero, Carmen and Acosta, J. (2009) Physical ageing of a PU based shape memory polymer: influence on their applicability to the development of medical devices. Materials and Design, 30 (7). 2431 - 2434. ISSN 0264-1275
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| Item Type: | Article | ||||||||||||||
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| Authors/Creators: |
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| Title: | Physical ageing of a PU based shape memory polymer: influence on their applicability to the development of medical devices. | ||||||||||||||
| Publisher: | Elsevier | ||||||||||||||
| Journal/Publication Title: | Materials and Design | ||||||||||||||
| Date: | August 2009 | ||||||||||||||
| Volume: | 30 | ||||||||||||||
| Number: | 7 | ||||||||||||||
| Department: | Mechanical and Manufacturing Engineering | ||||||||||||||
| Faculty: | E.T.S.I. Industrial (UPM) | ||||||||||||||
| Creative Commons licenses: | Recognition - No derivative works - No commercial | ||||||||||||||
| Item ID: | 2766 | ||||||||||||||
| Subjects: | Mechanics Materials |
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Official URL: http://www.elsevier.com/wps/find/journaldescription.cws_home/30454/description#description
Abstract
The variation in the properties of polymeric materials through ageing has considerable implications, since it affects the performance of any associated devices. Specially in the case of implantable devices with shape memory, any change in the switching temperature can give rise to problems in the thermal activation of the geometrical changes necessary to treat certain pathologies.This paper presents a study about the physical ageing of a polyurethane based shape memory polymer, SMP, at different temperatures using differential scanning calorimetry, DSC, and microhardness, MH, tests. The benefits of the combinated application of both testing techniques is shown, since DSC tests give information on the evolution of the glass transition temperature and the MH tests provide details of changes regarding mechanical properties.
| Item Type: | Article |
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| Uncontrolled Keywords: | A.thermoplastics; e.mechanical;e.thermal. |
| Subjects: | Mechanics Materials |
| Código ID: | 2766 |
| Depositado Por: | Memoria Investigacion |
| Depositado el: | 12 Apr 2010 10:47 |
| Last Modified: | 12 Apr 2010 10:52 |
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