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Applying the Macroscopic Kinetic Approach to Plasma Polymerization to the Plasma Surface Modification of Micropowders: Attempt of Correlating Powder Flowability and Plasma Process Parameters
- Source :
- Plasma Processes and Polymers. 13:334-340
- Publication Year :
- 2015
- Publisher :
- Wiley, 2015.
-
Abstract
- The flowability of micropowders can be improved by depositing a non-continuous coating on the micropowder surface, which reduces the interparticle van der Waals forces causing cohesion of the native powder. Such a coating can be achieved via a plasma enhanced chemical vapor deposition in a tubular, inductively-coupled RF glow-discharge-plasma reactor fed by plasma-polymerizable gases. Here we systematically study the influence of user-set plasma parameters of feed gas flow rate and plasma power on the resulting powder flowability. We find a quasi-Arrhenius relation between flowability factor and energy delivered per mass of monomer W/FM. These findings demonstrate that flowability measurements can be used to study the plasma polymerization processes and as a metric to assess surface coatings of powders that are otherwise difficult to characterize by standard metrologies.
- Subjects :
- 010302 applied physics
Materials science
Polymers and Plastics
Plasma parameters
02 engineering and technology
Plasma
engineering.material
021001 nanoscience & nanotechnology
Condensed Matter Physics
01 natural sciences
Plasma polymerization
Volumetric flow rate
symbols.namesake
chemistry.chemical_compound
Monomer
Coating
chemistry
Plasma-enhanced chemical vapor deposition
0103 physical sciences
Polymer chemistry
engineering
symbols
Composite material
van der Waals force
0210 nano-technology
Subjects
Details
- ISSN :
- 16128850
- Volume :
- 13
- Database :
- OpenAIRE
- Journal :
- Plasma Processes and Polymers
- Accession number :
- edsair.doi...........2c5ea22f14bfdc6e2784ce0287ab99f5