Determination of Polydimethylsiloxane on Cotton Fabrics Using Fourier Transform Attenuated Total Reflection Infrared Spectroscopy

Authors: Murthy, R. S. Shreedhara¹; Leyden, D.E.¹; D'Alonzo, R.P.²

Source: Applied Spectroscopy, Volume 39, Issue 5, Pages 753-889 (September/October 1985) , pp. 856-860(5)

Publisher: Society for Applied Spectroscopy

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Abstract:

Polydimethylsiloxane (PDMS) was chosen as a model siloxane molecule so a method could be developed for its quantification on cotton fabric with the use of ATR/FT-IR spectroscopy. PDMS is transferred onto an ATR crystal in the presence of methanol under pressure. This eliminates strong spectral interference from cellulose and improves precision. Methanol was needed to swell the fibers to release PDMS. The method is more sensitive, rapid, and nondestructive compared to extraction and transmission techniques.

Keywords: ATR spectroscopy; Infrared; Surface analysis

Document Type: Research article

DOI: http://dx.doi.org/10.1366/0003702854249781

Affiliations: 1: Condensed Matter Sciences Laboratory, Department of Chemistry, Colorado State University, Fort Collins, Colorado 80523 2: Sharon Woods Technical Center, The Procter and Gamble Company, 11520 Reed Hartman Hwy., Cincinnati, Ohio 45241

Publication date: 1985-09-01

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