Article (Scientific journals)
Structure and properties of a semifluorinated diblock copolymer modified epoxy blend
Ocando, Connie; Serrano, Elena; Tercjak, Agnieszka et al.
2007In Macromolecules, 40 (11), p. 4068-4074
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Abstract :
[en] Novel nanostructured thermosetting materials have been prepared by modification of an epoxy resin with a semifluorinated diblock copolymer, poly(heptadecafluorodecyl acrylate)-b-poly(caprolactone), PaF-b-PCL. In a first step, the phase behavior and linear viscoelasticity of PaF-b-PCL were investigated. According to the segregation regime, no order-order transitions were detected, being the order-disorder transition temperature beyond the degradation temperature. Atomic force microscopy (AFM) images of the block copolymer after different thermal treatments revealed that self-assembly takes place into spherical nanodomains, which is consistent with the copolymer composition. This block copolymer was further used to prepare a nanostructured thermoset blend with an epoxy resin. DSC and DMA analysis reveals microphase separation of PaF block from the epoxy-rich phase after curing. The PaF block self-assembled into wormlike and spherical micelles in the thermoset system. This nanostructured blend presented unique surface properties showing high hydrophobicity (upsilon = 109 degrees) and low surface energy (17 mN/m).
Research center :
Center for Education and Research on Macromolecules (CERM)
Disciplines :
Chemistry
Materials science & engineering
Author, co-author :
Ocando, Connie;  Universidad Paıs Vasco/Euskal Herriko Unibertsitatea, Donostia-San Sebastian, Spain > Dpto. Ingenierıa Quımica y M. Ambiente > “Materials + Technologies” Group, Polytechnic School
Serrano, Elena;  Universidad Paıs Vasco/Euskal Herriko Unibertsitatea, Donostia-San Sebastian, Spain > Dpto. Ingenierıa Quımica y M. Ambiente > “Materials + Technologies” Group, Polytechnic School
Tercjak, Agnieszka;  Universidad Paıs Vasco/Euskal Herriko Unibertsitatea, Donostia-San Sebastian, Spain > Dpto. Ingenierıa Quımica y M. Ambiente > “Materials + Technologies” Group, Polytechnic School
Pena, Cristina;  Universidad Paıs Vasco/Euskal Herriko Unibertsitatea, Donostia-San Sebastian, Spain > Dpto. Ingenierıa Quımica y M. Ambiente > “Materials + Technologies” Group, Polytechnic School
Kortaberria, Galder;  Universidad Paıs Vasco/Euskal Herriko Unibertsitatea, Donostia-San Sebastian, Spain > Dpto. Ingenierıa Quımica y M. Ambiente > “Materials + Technologies” Group, Polytechnic School
Calberg, Cédric ;  Université de Liège - ULiège > Department of Chemistry > Center for Education and Research on Macromolecules (CERM)
Grignard, Bruno ;  Université de Liège - ULiège > Department of Chemistry > Center for Education and Research on Macromolecules (CERM)
Jérôme, Robert ;  Université de Liège - ULiège > Department of Chemistry > Center for Education and Research on Macromolecules (CERM)
Carrasco, Pedro M;  Centre for Electrochemical Technologies (CIDETEC), San Sebastian, Spain
Mecerreyes, David;  Centre for Electrochemical Technologies (CIDETEC), San Sebastian, Spain
Mondragon, Inaki;  Universidad Paıs Vasco/Euskal Herriko Unibertsitatea, Donostia-San Sebastian, Spain > Dpto. Ingenierıa Quımica y M. Ambiente > “Materials + Technologies” Group, Polytechnic School
Language :
English
Title :
Structure and properties of a semifluorinated diblock copolymer modified epoxy blend
Publication date :
29 May 2007
Journal title :
Macromolecules
ISSN :
0024-9297
eISSN :
1520-5835
Publisher :
Amer Chemical Soc, Washington, United States - Washington
Volume :
40
Issue :
11
Pages :
4068-4074
Peer reviewed :
Peer Reviewed verified by ORBi
Name of the research project :
NANOTRON project; MAT2003-08125; Nanostructured and functional polymer-based materials and nanocomposites (NANOFUN-POLY) project
Funders :
Gobierno Vasco [ES]
Ministerio de Ciencia y Tecnologıa
Available on ORBi :
since 29 January 2009

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