Melt electrowriting of poly(vinylidene difluoride) using a heated collector

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http://hdl.handle.net/10138/346539

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Kade , J C , Otto , P F , Luxenhofer , R & Dalton , P D 2021 , ' Melt electrowriting of poly(vinylidene difluoride) using a heated collector ' , Polymers for Advanced Technologies , vol. 32 , no. 12 , pp. 4951-4955 . https://doi.org/10.1002/pat.5463

Title: Melt electrowriting of poly(vinylidene difluoride) using a heated collector
Author: Kade, Juliane C.; Otto, Paul F.; Luxenhofer, Robert; Dalton, Paul D.
Contributor organization: Helsinki Institute of Sustainability Science (HELSUS)
Polymers
Department of Chemistry
Date: 2021-12
Language: eng
Number of pages: 5
Belongs to series: Polymers for Advanced Technologies
ISSN: 1042-7147
DOI: https://doi.org/10.1002/pat.5463
URI: http://hdl.handle.net/10138/346539
Abstract: Previous research on the melt electrowriting (MEW) of poly(vinylidene difluoride) (PVDF) resulted in electroactive fibers, however, printing more than five layers is challenging. Here, we investigate the influence of a heated collector to adjust the solidification rate of the PVDF jet so that it adheres sufficiently to each layer. A collector temperature of 110 degrees C is required to improve fiber processing, resulting in a total of 20 fiber layers. For higher temperatures and higher layers, an interesting phenomenon occurred, where the intersection points of the fibers coalesced into periodic spheres of diameter 206 +/- 52 mu m (26G, 150 degrees C collector temperature, 2000 mm/min, 10 layers in x- and y-direction).The heated collector is an important component of a MEW printer that allows polymers with a high melting point to be processable with increased layers.
Subject: 116 Chemical sciences
additive manufacturing
electroactive
melt electrowriting
polymer processing
PVDF
MEMBRANES
Peer reviewed: Yes
Rights: unspecified
Usage restriction: openAccess
Self-archived version: acceptedVersion


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