The use of 3D printing for scientific and industrial applications is rapidly increasing and, simultaneously, is growing the interest toward printable smart materials. It is known that using a conductive filler, e.g. nanoparticles, metal powders or composite polymers, it is possible to produce a more electrically conductive printable material. The PEDOT:PSS polymer has been used extensively, from bioelectronics to energy storage devices, for its conductivity and biocompatibility. In this work, a highly electrically conductive resin for Stereolithography was developed using a dispersion of PEDOT particles, extracted from Clevios™ PH1000 through a simple separation process, in a PEGDA matrix. The resin composition was optimized in terms of photoinitiator, surfactant and filler concentration. Furthermore, optimal printing parameters were determined for this composite resin, obtaining a printed object with appreciable electrical conductivity (0.05 S cm−1) and mechanical properties (Young modulus 21 MPa).
|Titolo:||A novel highly electrically conductive composite resin for stereolithography|
|Data di pubblicazione:||2019|
|Digital Object Identifier (DOI):||10.1016/j.mtcomm.2018.12.017|
|Appare nelle tipologie:||1.1 Articolo in rivista|
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