Polyalkene based shape memory polymers

J. Alonso; J. M. Cuevas; J. R. Dios; J. L. Vilas; L. M. León

doi:10.1117/12.779665

1 November 2007 Polyalkene based shape memory polymers

J. Alonso, J. M. Cuevas, J. R. Dios, J. L. Vilas, L. M. León

Proceedings Volume 6423, International Conference on Smart Materials and Nanotechnology in Engineering; 64231U (2007) https://doi.org/10.1117/12.779665
Event: International Conference on Smart Materials and Nanotechnology in Engineering, 2007, Harbin, China

Abstract

A series of polymers showing shape memory properties were developed based on polyalkenes derived from cyclooctene and related structures. These polymeric systems were synthesized via ring-opening metathesis polymerization (ROMP) using a well-defined ruthenium catalyst (Grubbs' type) by varying reaction conditions and proportions. Control over molecular weight was achieved by the inclusion of a chain transfer agent (CTA) and its influence on the behaviour of the obtained materials was evaluated. In order to provide them with shape memory behaviour the compounds were subjected to suitable chemical-thermal treatments and its characterization was accomplished by means of several techniques: differential scanning calorimetry (DSC), dynamic mechanical thermal analysis (DMTA), etc. Thus polymers developed herein could become a different alternative to the most studied and commercially available polyurethane based systems.

Citation Download Citation

J. Alonso, J. M. Cuevas, J. R. Dios, J. L. Vilas, and L. M. León "Polyalkene based shape memory polymers", Proc. SPIE 6423, International Conference on Smart Materials and Nanotechnology in Engineering, 64231U (1 November 2007); https://doi.org/10.1117/12.779665

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