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Matching Low Viscosity with Enhanced Conductivity in Vat Photopolymerization 3D Printing: Disparity in the Electric and Rheological Percolation Thresholds of Carbon-Based Nanofillers Is Controlled by the Matrix Type and Filler Dispersion

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216305%3A26620%2F23%3APU150396" target="_blank" >RIV/00216305:26620/23:PU150396 - isvavai.cz</a>

  • Alternative codes found

    RIV/00216224:14310/23:00132609

  • Result on the web

    <a href="https://pubs.acs.org/doi/10.1021/acsomega.3c05683" target="_blank" >https://pubs.acs.org/doi/10.1021/acsomega.3c05683</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1021/acsomega.3c05683" target="_blank" >10.1021/acsomega.3c05683</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Matching Low Viscosity with Enhanced Conductivity in Vat Photopolymerization 3D Printing: Disparity in the Electric and Rheological Percolation Thresholds of Carbon-Based Nanofillers Is Controlled by the Matrix Type and Filler Dispersion

  • Original language description

    This study investigated the impact of carbonaceous fillers (carbon black, multiwalled carbon nanotubes, graphene, and highly defective graphene) on aromatic and nonaromatic photopolymer resins' properties, such as viscosity, long-term stability, complex permittivity, curing efficiency, final conversion, storage modulus, heat deflection and glass transition temperatures, network density, and DC resistivity. The presented results also highlight challenges that must be addressed in designing and processing carbonaceous filler-based 3D-printed photopolymer resins. The improved dielectric and electrical properties were closely tied to the dispersion quality and filler-matrix affinity. It favored the enhanced dispersion of anisotropic fillers (nanotubes) in a compatible matrix above their percolation threshold. On the other hand, the dispersed filler worsens printability due to the elevated viscosity and deteriorated penetration depth. Nonetheless, electrical and rheological percolation was found at different filler concentrations. This window of despaired percolation combines highly enhanced conductivity with only mildly increased viscosity and good printability.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database

  • CEP classification

  • OECD FORD branch

    10404 - Polymer science

Result continuities

  • Project

    <a href="/en/project/GF21-43070L" target="_blank" >GF21-43070L: Advanced photopolymerized nanocomposite materials processed by additive manufacturing</a><br>

  • Continuities

    P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Others

  • Publication year

    2023

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    ACS OMEGA

  • ISSN

    2470-1343

  • e-ISSN

  • Volume of the periodical

    8

  • Issue of the periodical within the volume

    48

  • Country of publishing house

    US - UNITED STATES

  • Number of pages

    12

  • Pages from-to

    45566-45577

  • UT code for WoS article

    001114479400001

  • EID of the result in the Scopus database

    2-s2.0-85179829949