Please use this identifier to cite or link to this item: http://hdl.handle.net/1822/21901

TitlePiezoelectric filaments produced by coextrusion
Author(s)Martins, R. S.
Gonçalves, Renato Ferreira
Rocha, J. G.
Nóbrega, J. M.
Carvalho, Helder
Lanceros-Méndez, S.
KeywordsI/e-textiles
Coextrusion
Electroactive filaments
Issue dateDec-2012
PublisherPolymer Processing Society
Abstract(s)Considering the significant interest of both the academic and industrial communities in the fields of i/e-textiles (interactive/electronic textiles), the number of developed applications is far below the expected. This fact is mainly related to the difficulties on the development of production methodologies adequate to industrial scale processes. In this areas the integration of piezoelectric materials, that possess sensing/actuating capabilities, such as poly(vinylidene fluoride), PVDF, and can be processed using conventional processing techniques, is very promising and has encouraged a large number of research works. However, until now, most of the developed production methodologies are difficult to adapt to the industrial scale. This work reports recent developments achieved, in the framework of a research project, on the production of piezoelectric filament by coextrusion of PVDF and electrical conductive layers. The developed production methodology involves a conventional coextrusion line, for which a coextrusion die was designed to produce a multilayer filament. This filament comprises an inner layer of an electrically conductive Polypropylene grade and a middle layer of PVDF and is coated with an electrical conductive ink. The piezoelectric response of the produced filaments will be also presented
TypeConference paper
URIhttp://hdl.handle.net/1822/21901
Peer-Reviewedyes
AccessOpen access
Appears in Collections:DET/2C2T - Comunicações em congressos internacionais com arbitragem científica

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