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Phenol‐formaldehyde resol resins studied by 13C‐NMR spectroscopy, gel permeation chromatography, and differential scanning calorimetry

Phenol‐formaldehyde resol resins studied by 13C‐NMR spectroscopy, gel permeation chromatography,... A series of phenol‐formaldehyde resins was produced in the presence of NaOH catalyst. Detailed structural and quantitative information was provided by 13C‐NMR spectroscopy. The main interests were the relative quantities of bridge structures, methylol groups, and free phenol. Functionality and linearity of resins were also studied. The effects of the condensation F/P molar ratio on the structure and properties of the resins was studied by gel permeation chromatography (GPC) and differential scanning calorimetry (DSC) in addition to 13C‐NMR. © 1997 John Wiley & Sons, Inc. J Appl Polym Sci 66: 1183–1193, 1997 http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Applied Polymer Science Wiley

Phenol‐formaldehyde resol resins studied by 13C‐NMR spectroscopy, gel permeation chromatography, and differential scanning calorimetry

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Publisher
Wiley
Copyright
Copyright © 1997 Wiley Subscription Services
ISSN
0021-8995
eISSN
1097-4628
DOI
10.1002/(SICI)1097-4628(19971107)66:6<1183::AID-APP18>3.0.CO;2-2
Publisher site
See Article on Publisher Site

Abstract

A series of phenol‐formaldehyde resins was produced in the presence of NaOH catalyst. Detailed structural and quantitative information was provided by 13C‐NMR spectroscopy. The main interests were the relative quantities of bridge structures, methylol groups, and free phenol. Functionality and linearity of resins were also studied. The effects of the condensation F/P molar ratio on the structure and properties of the resins was studied by gel permeation chromatography (GPC) and differential scanning calorimetry (DSC) in addition to 13C‐NMR. © 1997 John Wiley & Sons, Inc. J Appl Polym Sci 66: 1183–1193, 1997

Journal

Journal of Applied Polymer ScienceWiley

Published: Jan 7, 1997

Keywords: ; ;

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