Real-Time Monitoring of the Mechanical Properties of a Soy Protein and Rubber Polymer during its Production Using Transient Infrared Spectroscopy

Soy protein-based polymers offer promising performance properties, but their characteristics are sensitively dependent on production conditions, so on-line monitoring could help provide the needed control during production. Mid-infrared spectroscopy combined with partial least squares offer the need...

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Bibliographic Details
Published in:International journal of polymer analysis & characterization 2013-08, Vol.18 (6), p.464-468
Main Authors: Sweterlitsch, Jeffrey J., Mungara, Perminus, Jones, Roger W., Jane, Jay-lin, McClelland, John F.
Format: Article
Language:English
Subjects:
Infrared spectroscopy
Least squares method
Mechanical properties
Monitoring
On-line monitoring
On-line systems
Opacity
Polymers
Proteins
Real time
Soy products
Soy-protein polymer
Spectra
Spectrum analysis
Tensile strength
Transient infrared spectroscopy
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Summary:Soy protein-based polymers offer promising performance properties, but their characteristics are sensitively dependent on production conditions, so on-line monitoring could help provide the needed control during production. Mid-infrared spectroscopy combined with partial least squares offer the needed analysis, but the opacity of many materials in the mid-infrared range limits its conventional application. Transient infrared spectroscopy is a method of acquiring mid-infrared spectra from moving streams in real time that avoids the opacity problem. We apply transient infrared spectroscopy to a polymer of soy protein and polyisoprene-graft-maleic anhydride-modified natural rubber during its compounding extrusion to measure tensile strength and Young's modulus.
ISSN:1023-666X
1563-5341
DOI:10.1080/1023666X.2013.814085