Publisher DOI: 10.1007/s11740-019-00884-5
Title: In-line monitoring of carbon nanoparticle epoxy dispersion processes: Insights into the process via next generation three roll mills and impedance spectroscopy
Language: English
Authors: Meeuw, Hauke  
Wisniewski, Valea Kim 
Köpke, U. 
Nia, Ali Shaygan 
Romaní Vázquez, Adrián 
Lohe, Martin Rudolf 
Feng, Xinliang 
Fiedler, Bodo 
Issue Date: Jun-2019
Source: Production Engineering 3-4 (13): 373-390 (2019-06)
Journal or Series Name: Production engineering 
Abstract (english): The new generation of three roll mills is able to monitor occurring process loads while dispersion. This paper focuses on the interpretation of the gathered data to find criteria quantifying the dispersion state online. The aim is process time reduction. We used impedance spectroscopy to identify the dispersion state and correlated it with the occurring process loads. The dispersion process of a wide spectrum of carbon based nano particles, namely carbon black, single walled carbon nanotubes, multi walled carbon nanotubes, a few-layer graphene powder, electrochemically exfoliated graphite and a functionalized electrochemically exfoliated graphite was investigated. The filler content was varied along the material’s electrical percolation threshold. The criteria found led to a reduction of processing time and revealed the prevalent mechanisms during dispersion.
ISSN: 0944-6524
Institute: Kunststoffe und Verbundwerkstoffe M-11 
Type: (wissenschaftlicher) Artikel
Funded by: DFG project: Multifunktionale Komposite, Gedruckte Elektronik zur strukturintegrierten Zustandsüberwachung von Faser, Kunststoff Project number: 393868053. European Research Council (ERC) under the European Unions Horizon 2020 research and innovation programme (Grant agreement number 785219 and 768930
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