An experimental investigation of mixing of carbon nanotube/polymer composite in a batch-type screw mixer

Title
An experimental investigation of mixing of carbon nanotube/polymer composite in a batch-type screw mixer
Author(s)
박장민서경덕[서경덕]정현수[정현수]김동성[김동성]
Keywords
NANOCOMPOSITES; DISPERSION; MICROCHANNELS; STATE
Issue Date
201402
Publisher
SPRINGER
Citation
MICROSYSTEM TECHNOLOGIES-MICRO-AND NANOSYSTEMS-INFORMATION STORAGE AND PROCESSING SYSTEMS, v.20, no.2, pp.243 - 250
Abstract
We develop a miniaturized batch-type screw mixer (BSM) for uniform mixing of polymer resin and nanoparticles, based on the stretching of material elements. This stretching is induced by the combination of recirculating cross-sectional flows in deep channels of the screw and high shear stress developed at flight regions. The BSM is used to produce a polymer nano-composite composed of multi-walled carbon nanotubes and polydimethylsiloxane resin. The mixing performance of the BSM is characterized quantitatively by estimating two different types of mixing efficiencies (i.e., dispersive mixing and distributive mixing) via transmitted light microscope images. The developed BSM highly improves the mixing performance rather than that of a conventional ultrasonic mixing device.
URI
http://hdl.handle.net/YU.REPOSITORY/33196http://dx.doi.org/10.1007/s00542-013-1929-2
ISSN
0946-7076
Appears in Collections:
공과대학 > 기계공학부 > Articles
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