Authors: Kalasinsky, Kathryn S.¹; Lightsey, George R.¹; Short, Paul H.¹; Durig, James R.²

Source: Applied Spectroscopy, Volume 44, Issue 3, Pages 351-535 (March/April 1990) , pp. 404-407(4)

Publisher: Society for Applied Spectroscopy

Abstract:

For production of a cellulosic filler that is compatible with thermoplastic polymers, a primarily nonpolar or lignin surface is needed. In order to allow quantitative measurement of the cellulose-to-lignin ratio on the surface of the fillers, infrared reflectance techniques and computer curve-fitting were employed. By the use of this method of analysis, relative quantitation was obtained, and it was possible to determine that careful control of certain parameters during the production of thermomechanical pulps produced a more nonpolar lignin-like surface that was compatible with the thermoplastic polymers.

Keywords: Infrared; Reflectance spectroscopy

Document Type: Research article

DOI: http://dx.doi.org/10.1366/0003702904086272

Affiliations: 1: Mississippi State Chemical Laboratory, Department of Chemical Engineering, and Forest Product Laboratory, Mississippi State University, Mississippi State, Mississippi 39759 2: Department of Chemistry, University of South Carolina, Columbia, South Carolina 29208

Publication date: 1990-03-01

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