IR spectroscopy as a quantitative and predictive analysis method of phenol-formaldehyde resol resins

A set of resin samples was characterized by IR and 13C‐NMR spectroscopy. The suitability of IR spectroscopy for the quantitative analysis of resins was evaluated by statistical methods using the NMR reference data as calibration. The values of interesting properties, for example, the amount of free...

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Bibliographic Details
Published in:Journal of applied polymer science 1998-09, Vol.69 (11), p.2175-2185
Main Authors: Holopainen, Timo, Alvila, Leila, Rainio, Jouni, Pakkanen, Tuula T.
Format: Article
Language:English
Subjects:
Analysis and structure
Applied sciences
Exact sciences and technology
IR spectroscopy
multicomponent spectroscopic analysis
phenol-formaldehyde resin
Polymer industry, paints, wood
Properties and testing
resol resin
Technology of polymers
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Summary:A set of resin samples was characterized by IR and 13C‐NMR spectroscopy. The suitability of IR spectroscopy for the quantitative analysis of resins was evaluated by statistical methods using the NMR reference data as calibration. The values of interesting properties, for example, the amount of free phenol and the formaldehyde‐to‐phenol (F/P) molar ratio, of the resins being similar to the calibration resins were predicted from the IR spectra. Also, the predicted results were compared with the ones observed by 13C‐NMR spectroscopy. © 1998 John Wiley & Sons, Inc. J Appl Polym Sci 69: 2175–2185, 1998
ISSN:0021-8995
1097-4628
DOI:10.1002/(SICI)1097-4628(19980912)69:11<2175::AID-APP9>3.0.CO;2-D