Please use this identifier to cite or link to this item: http://hdl.handle.net/1942/3226
Title: Quantitative carbon-13 solid-state nmr and FT-Raman spectroscopy in novolac resins
Authors: OTTENBOURGS, Benjamin 
ADRIAENSENS, Peter 
CARLEER, Robert 
VANDERZANDE, Dirk 
GELAN, Jan 
Issue Date: 1998
Publisher: ELSEVIER SCI LTD
Source: POLYMER, 39(22). p. 5293-5300
Abstract: A qualitative and quantitative study of the curing behaviour of a high-ortho novolac resin with paraformaldehyde under different conditions is reported. The extent of cure by means of the formaldehyde/phenol ratio, the degree of conversion, and the characterization of the final structure after curing are determined based on quantitative C-13 solid-state nuclear magnetic resonance with cross polarization and magic angle spinning. The T-1H relaxation time is measured as a probe to follow the evolution of cure. In conjunction Fourier transform-Raman spectroscopy is proposed as a qualitative tool to follow the degree of crosslinking in this high-ortho novolac. (C) 1998 Elsevier Science Ltd. All rights reserved.
Notes: Limburgs Univ Ctr, Dept Scheikunde, Inst Materiaalonderzoek, B-3590 Diepenbeek, Belgium.Gelan, J, Limburgs Univ Ctr, Dept Scheikunde, Inst Materiaalonderzoek, Gebouw D, B-3590 Diepenbeek, Belgium.
Keywords: phenol-formaldehyde resins; crosslinking; characterization
Document URI: http://hdl.handle.net/1942/3226
DOI: 10.1016/S0032-3861(97)10283-X
ISI #: 000075284700002
Type: Journal Contribution
Validations: ecoom 1999
Appears in Collections:Research publications

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