Segmental dynamics in poly(e-caprolactone)/poly(l-lactide) copolymer networks

Roser Sabater I. Serra; Jorge L.Escobar Ivirico; María Meseguer Dueñas Jose María Meseguer Dueñas; Andreu Andrio Balado; José Luis Gómez Ribelles; Manuel Salmerón Sánchez

doi:10.1002/polb.21629

Segmental dynamics in poly(e-caprolactone)/poly(l-lactide) copolymer networks

Roser Sabater I. Serra, Jorge L.Escobar Ivirico, María Meseguer Dueñas Jose María Meseguer Dueñas, Andreu Andrio Balado, José Luis Gómez Ribelles, Manuel Salmerón Sánchez

Research output: Contribution to journal › Article

24 Citations (Scopus)

Abstract

Poly(e-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. VVC 2008 Wiley Periodicals, Inc.

Original language	English
Pages (from-to)	183-193
Number of pages	11
Journal	Journal of Polymer Science, Part B: Polymer Physics
Volume	47
Issue number	2
DOIs	https://doi.org/10.1002/polb.21629
Publication status	Published - Jan 15 2009
Externally published	Yes

All Science Journal Classification (ASJC) codes

Condensed Matter Physics
Physical and Theoretical Chemistry
Polymers and Plastics
Materials Chemistry

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Serra, R. S. I., Ivirico, J. L. E., Jose María Meseguer Dueñas, M. M. D., Balado, A. A., Ribelles, J. L. G., & Sánchez, M. S. (2009). Segmental dynamics in poly(e-caprolactone)/poly(l-lactide) copolymer networks. Journal of Polymer Science, Part B: Polymer Physics, 47(2), 183-193. https://doi.org/10.1002/polb.21629

Segmental dynamics in poly(e-caprolactone)/poly(l-lactide) copolymer networks. / Serra, Roser Sabater I.; Ivirico, Jorge L.Escobar; Jose María Meseguer Dueñas, María Meseguer Dueñas; Balado, Andreu Andrio; Ribelles, José Luis Gómez; Sánchez, Manuel Salmerón.

In: Journal of Polymer Science, Part B: Polymer Physics, Vol. 47, No. 2, 15.01.2009, p. 183-193.

Research output: Contribution to journal › Article

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abstract = "Poly(e-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. VVC 2008 Wiley Periodicals, Inc.",

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