Direct Identification of Three Crystalline Phases in PEO-b-PCL-b-PLLA Triblock Terpolymer by In Situ Hot-Stage Atomic Force Microscopy

Sustituido el preprint por el postprint 03-05-2023

Detalles Bibliográficos
Autores: Palacios, Jordana K, Zhang, Heng, Zhang, Bin, Hadjichristidis, Nikos, Müller Sánchez, Alejandro Jesús
Tipo de recurso: artículo
Fecha de publicación:2020
País:España
Institución:Universidad del País Vasco
Repositorio:Addi. Archivo Digital para la Docencia y la Investigación
OAI Identifier:oai:addi.ehu.eus:10810/50817
Acceso en línea:http://hdl.handle.net/10810/50817
Access Level:acceso abierto
Palabra clave:PEO-b-PCL-b-PLLA triblock terpolymer
tri-lamellar morphology
hot-stage AFM
WAXS
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spelling Direct Identification of Three Crystalline Phases in PEO-b-PCL-b-PLLA Triblock Terpolymer by In Situ Hot-Stage Atomic Force MicroscopyPalacios, Jordana KZhang, HengZhang, BinHadjichristidis, NikosMüller Sánchez, Alejandro JesúsPEO-b-PCL-b-PLLA triblock terpolymertri-lamellar morphologyhot-stage AFMWAXSSustituido el preprint por el postprint 03-05-2023In this work, we provide a detailed description of the tri-lamellar nanoscale morphology of a triple crystalline PEO-b-PCL-b-PLLA triblock terpolymer obtained by Hot-Stage Atomic Force microscopy (AFM) imaging and Wide Angle X-ray scattering (WAXS) analysis for the first time. The precursor PCL-b-PLLA diblock copolymer has also been included in the study for comparison purposes. A two-step crystallization protocol has been applied to create a distinct lamellar morphology. Both WAXS and AFM revealed the double crystalline nature of the diblock copolymer. However, the identification of multiple crystalline phases in the triblock terpolymer by AFM and WAXS at room temperature is not straightforward. The advantages of hot-stage AFM allowed following the evolution of the lamellar morphology and the successive melting of the tricrystalline PEO-b-PCL-b-PLLA sample during heating. Taking into account the melting temperature of each crystalline block, the existing lamellar populations were clearly identified. At 45 °C, the thinnest lamellae disappeared, due to the melting of PEO crystals. The medium size lamellae disappeared at 60 °C when PCL crystals melt. At that temperature, the only remaining crystals are those of the PLLA block. AFM mechanical modulus images provide further evidence of the lamellar self-assembly of the triblock terpolymer. The nanoscale arrangement includes lamellae of PCL, PEO, or both in between the PLLA lamellae. Hot-Stage AFM is a valuable technique to elucidate the morphological features of complex multi-crystalline systems.This work has received funding from the European Union´s Horizon 2020 research and innovation program under the Marie Sklodowska-Curie grant agreement No 778092, from MINECO, project: MAT2017-83014-C2-1-P and from the Basque Government through grant IT1309-19. We are grateful to the National Science Foundation of China (nos. 51773182, 51973202), The Young Out-standing Teachers of the University in Henan Province (2019GGJS003). N.H. acknowledges the support of King Abdullah University of Science and Technology (KAUST).ElsevierEuropean Commission202120212020info:eu-repo/semantics/articleapplication/pdfhttp://hdl.handle.net/10810/50817reponame:Addi. Archivo Digital para la Docencia y la Investigacióninstname:Universidad del País VascoInglésinfo:eu-repo/grantAgreement/EC/H2020/778092info:eu-repo/grantAgreement/MINECO/MAT2017-83014-C2-1-P/https://www.sciencedirect.com/science/article/pii/S003238612030690X?via%3Dihubinfo:eu-repo/semantics/openAccess© 2020 Elsevier under CC BY-NC-ND licenseoai:addi.ehu.eus:10810/508172026-06-18T09:23:17Z
dc.title.none.fl_str_mv Direct Identification of Three Crystalline Phases in PEO-b-PCL-b-PLLA Triblock Terpolymer by In Situ Hot-Stage Atomic Force Microscopy
title Direct Identification of Three Crystalline Phases in PEO-b-PCL-b-PLLA Triblock Terpolymer by In Situ Hot-Stage Atomic Force Microscopy
spellingShingle Direct Identification of Three Crystalline Phases in PEO-b-PCL-b-PLLA Triblock Terpolymer by In Situ Hot-Stage Atomic Force Microscopy
Palacios, Jordana K
PEO-b-PCL-b-PLLA triblock terpolymer
tri-lamellar morphology
hot-stage AFM
WAXS
title_short Direct Identification of Three Crystalline Phases in PEO-b-PCL-b-PLLA Triblock Terpolymer by In Situ Hot-Stage Atomic Force Microscopy
title_full Direct Identification of Three Crystalline Phases in PEO-b-PCL-b-PLLA Triblock Terpolymer by In Situ Hot-Stage Atomic Force Microscopy
title_fullStr Direct Identification of Three Crystalline Phases in PEO-b-PCL-b-PLLA Triblock Terpolymer by In Situ Hot-Stage Atomic Force Microscopy
title_full_unstemmed Direct Identification of Three Crystalline Phases in PEO-b-PCL-b-PLLA Triblock Terpolymer by In Situ Hot-Stage Atomic Force Microscopy
title_sort Direct Identification of Three Crystalline Phases in PEO-b-PCL-b-PLLA Triblock Terpolymer by In Situ Hot-Stage Atomic Force Microscopy
dc.creator.none.fl_str_mv Palacios, Jordana K
Zhang, Heng
Zhang, Bin
Hadjichristidis, Nikos
Müller Sánchez, Alejandro Jesús
author Palacios, Jordana K
author_facet Palacios, Jordana K
Zhang, Heng
Zhang, Bin
Hadjichristidis, Nikos
Müller Sánchez, Alejandro Jesús
author_role author
author2 Zhang, Heng
Zhang, Bin
Hadjichristidis, Nikos
Müller Sánchez, Alejandro Jesús
author2_role author
author
author
author
dc.contributor.none.fl_str_mv European Commission
dc.subject.none.fl_str_mv PEO-b-PCL-b-PLLA triblock terpolymer
tri-lamellar morphology
hot-stage AFM
WAXS
topic PEO-b-PCL-b-PLLA triblock terpolymer
tri-lamellar morphology
hot-stage AFM
WAXS
description Sustituido el preprint por el postprint 03-05-2023
publishDate 2020
dc.date.none.fl_str_mv 2020
2021
2021
dc.type.none.fl_str_mv info:eu-repo/semantics/article
format article
dc.identifier.none.fl_str_mv http://hdl.handle.net/10810/50817
url http://hdl.handle.net/10810/50817
dc.language.none.fl_str_mv Inglés
language_invalid_str_mv Inglés
dc.relation.none.fl_str_mv info:eu-repo/grantAgreement/EC/H2020/778092
info:eu-repo/grantAgreement/MINECO/MAT2017-83014-C2-1-P/
https://www.sciencedirect.com/science/article/pii/S003238612030690X?via%3Dihub
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
© 2020 Elsevier under CC BY-NC-ND license
eu_rights_str_mv openAccess
rights_invalid_str_mv © 2020 Elsevier under CC BY-NC-ND license
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv Elsevier
publisher.none.fl_str_mv Elsevier
dc.source.none.fl_str_mv reponame:Addi. Archivo Digital para la Docencia y la Investigación
instname:Universidad del País Vasco
instname_str Universidad del País Vasco
reponame_str Addi. Archivo Digital para la Docencia y la Investigación
collection Addi. Archivo Digital para la Docencia y la Investigación
repository.name.fl_str_mv
repository.mail.fl_str_mv
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