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 › peer-review

26 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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title = "Segmental dynamics in poly(e-caprolactone)/poly(l-lactide) copolymer networks",

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.",

author = "Serra, {Roser Sabater I.} and Ivirico, {Jorge L.Escobar} and {Jose Mar{\'i}a Meseguer Due{\~n}as}, {Mar{\'i}a Meseguer Due{\~n}as} and Balado, {Andreu Andrio} and Ribelles, {Jos{\'e} Luis G{\'o}mez} and S{\'a}nchez, {Manuel Salmer{\'o}n}",

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AU - Serra, Roser Sabater I.

AU - Ivirico, Jorge L.Escobar

AU - Jose María Meseguer Dueñas, María Meseguer Dueñas

AU - Balado, Andreu Andrio

AU - Ribelles, José Luis Gómez

AU - Sánchez, Manuel Salmerón

PY - 2009/1/15

Y1 - 2009/1/15

N2 - 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.

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

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