Triboelectric charging of polyethylene powders: Comparison of same-material and different-material

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F49777513%3A23640%2F20%3A43959001" target="_blank" >RIV/49777513:23640/20:43959001 - isvavai.cz</a>
Result on the web
<a href="https://www.sciencedirect.com/science/article/pii/S0032591020303156?via%3Dihub" target="_blank" >https://www.sciencedirect.com/science/article/pii/S0032591020303156?via%3Dihub</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1016/j.powtec.2020.04.029" target="_blank" >10.1016/j.powtec.2020.04.029</a>

Result language
angličtina
Original language name
Triboelectric charging of polyethylene powders: Comparison of same-material and different-material
Original language description
The understanding of triboelectric charging of industrially important powders can help in avoiding or controlling the particle agglomeration and wall sheeting. We developed a new experimental approach to study both same material particle-particle (P-P) and different-material particle-wall (P-W) charging of nascent polyethylene (PE) particles born by catalytic polymerization. We constructed a simple tribocharger consisting of a metal box divided inside into several compartments filledwith the PE sample and attached to the vibration shaker. The particle charge distribution was characterized by a self-constructed electrostatic separator. This way, we investigated the charging dynamics of PE particles colliding with other PE particles as well as with metal walls of the box compartments. Both P-P and P-W charging were measured either separately, or in sequence, and in combination of simultaneous P-P and P-W. The differentmaterial P-W charging produced unipolarly charged particles and was much faster than the same-material P-P charging leading to bipolar particle charge distribution.
Czech name
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Czech description
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Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
—
OECD FORD branch
20401 - Chemical engineering (plants, products)

Project
<a href="/en/project/GA16-07898S" target="_blank" >GA16-07898S: Agglomeration of polyolefin particles investigated at meso-scale</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year
2020
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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