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In-process vibrational spectroscopy and ultrasound measurements in polymer melt extrusion

Scowen, Ian J.
; 
Barnes, S.E.
; 
Coates, Philip D.
; 
Sibley, M.G.
; 
Edwards, Howell G.M.
; 
Publication Date
2003
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Keywords
In-process vibrational spectroscopy, Polymer melts, Raman spectroscopy
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Peer-Reviewed
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closedAccess
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Engineering and Digital Technology Publications
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Abstract
Spectroscopic techniques have the potential to provide powerful, molecular-specific, non-invasive measurements on polymers during melt processing operations. An exploration is reported of the application and assessment of sensitivity of in-process vibrational spectroscopy¿on-line mid-infrared (MIR), on-line near-infrared (NIR), in-line NIR and in-line Raman¿for monitoring of single screw extrusion of high-density polyethylene and polypropylene blends. These vibrational spectroscopic techniques are compared with novel in-line ultrasound velocity measurements, which were acquired simultaneously, to assess the sensitivity of each method to changes in blend composition and to explore the suitability for their use in real time process monitoring and control.
URI
http://hdl.handle.net/10454/3180
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Citation
Coates PD, Barnes SE, Brown EC, Edwards HGM et al. (2003). In-process vibrational spectroscopy and ultrasound measurements in polymer melt extrusion. Polymer. 44(19): 5937-5949.
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Link to Version of Record
https://doi.org/10.1016/S0032-3861(03)00544-5
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Article
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