McBrearty, M.
, Bur, A.
and Perusich, S.
(1999),
In-Line Dielectric Sensor for Chemical Composition Measurements in Molten Polymers, Proceedings of the Society of Plastics Engineers Annual Technical Meeting, New York, NY, [online], https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=851531
(Accessed October 4, 2024)
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In-Line Dielectric Sensor for Chemical Composition Measurements in Molten Polymers
Published
Author(s)
M M. McBrearty, , S Perusich
Abstract
We describe a dielectric sensor that incorporates a flow-through design so that it can be placed in-line on an extruder. Dielectric measurements have been successfully applied for measuring additive concentrations in polymer melts during extrusion processing. Calcium carbonate and alumina filled polystyrene are used to demonstrate sensor capability. Theory and experiment indicate that dielectric measurements of filled polymer melts can quantitatively determine individual or total additive concentrations with an accuracy that depends on the electrical contrast and can exceed 0.1 volume percent with polymers and compounds having one or possibly two dominant additives.Proceedings Title
Proceedings of the Society of Plastics Engineers Annual Technical Meeting
Volume
20
Conference Dates
May 1, 1999
Conference Location
New York, NY
Conference Title
Society of Plastics Engineers
Pub Type
Conferences
Download Paper
Keywords
dielectric properties, filled polymers, in-line measurements, material composition, polymer processing
Citation
Issues
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Created December 31, 1998, Updated October 12, 2021