PA-FTIR Detection Of External Lubricants In Styrenic Polymers

T. Kumar; K. E. Yock

doi:10.1117/12.969383

1 December 1989 PA-FTIR Detection Of External Lubricants In Styrenic Polymers

T. Kumar, K. E. Yock

Proceedings Volume 1145, 7th Intl Conf on Fourier Transform Spectroscopy; (1989) https://doi.org/10.1117/12.969383
Event: Seventh International Conference on Fourier and Computerized Infrared Spectroscopy, 1989, Fairfax, VA, United States

Abstract

A simple Fourier transform infrared (FTIR) method using Photoacoustic (PA) detection is used to detect external lubricants directly on the surface of styrenic resin pellets. This technique is non-destructive, requires no sample preparation and rapidly determines the lubricant chemical class. This rapid qualitative procedure significantly reduces the subsequent quantitative analysis time of unknown samples. The application of PA-FTIR and the advantages of applying spectral subtraction in identifying fatty acid and substituted fatty amide external lubricants on some styrenic resins will be presented.

Citation Download Citation

T. Kumar and K. E. Yock "PA-FTIR Detection Of External Lubricants In Styrenic Polymers", Proc. SPIE 1145, 7th Intl Conf on Fourier Transform Spectroscopy, (1 December 1989); https://doi.org/10.1117/12.969383

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