Sabater i Serra, R., Escobar Ivirico, J.L., Meseguer Dueñas, J.M., Balado, A.A., Gómez Ribelles, J.L. and Salmerón-Sánchez, M. (2009) Segmental dynamics in poly(ε-caprolactone)/poly(L-lactide) copolymer networks. Journal of Polymer Science Part B: Polymer Physics, 47(2), pp. 183-193. (doi: 10.1002/polb.21629)
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Abstract
Poly(ε-caprolactone) (PCL) and poly(lactic acid) (PLA) networks were prepared from macromonomer diols functionalized with methacrylic anhydride, which allows one to get self-crosslinkable polymers. Besides, both macromonomers were copolymerized to get copolymer networks with different compositions (namely, PCL/PLA: 0/100, 70/30, 50/50, 30/70, 100/0). Dielectric and calorimetric experiments allow one to conclude the microphase separation of the system: one phase made of pure PCL domains while the second one consists of caprolactone units, which somehow plasticize PLA and moves its main relaxation (glass transition) to lower temperatures. The effect of crosslinking PLA on the dynamics of the system was further investigated by comparing with the dynamics for linear PLA.
| Item Type: | Articles |
|---|---|
| Status: | Published |
| Refereed: | Yes |
| Glasgow Author(s) Enlighten ID: | UNSPECIFIED |
| Authors: | Sabater i Serra, R., Escobar Ivirico, J.L., Meseguer Dueñas, J.M., Balado, A.A., Gómez Ribelles, J.L., and Salmerón-Sánchez, M. |
| College/School: | College of Science and Engineering > School of Engineering > Biomedical Engineering |
| Journal Name: | Journal of Polymer Science Part B: Polymer Physics |
| ISSN: | 0887-6266 |
| ISSN (Online): | 1099-0488 |
| Published Online: | 09 December 2008 |
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